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android / platform / frameworks / base / c77d9bda0428 / . / services / core / java / com / android / server / wm / DisplayContent.java
blob: a03dce364209670bcfd511a4fa42b0c65984363b [file] [log] [blame]
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.wm;
import static android.app.ActivityTaskManager.INVALID_TASK_ID;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_DREAM;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_HOME;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_RECENTS;
import static android.app.WindowConfiguration.ACTIVITY_TYPE_STANDARD;
import static android.app.WindowConfiguration.ROTATION_UNDEFINED;
import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW;
import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSET;
import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
import static android.content.res.Configuration.ORIENTATION_PORTRAIT;
import static android.content.res.Configuration.ORIENTATION_UNDEFINED;
import static android.os.Build.VERSION_CODES.N;
import static android.os.Process.SYSTEM_UID;
import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER;
import static android.util.DisplayMetrics.DENSITY_DEFAULT;
import static android.util.RotationUtils.deltaRotation;
import static android.view.Display.DEFAULT_DISPLAY;
import static android.view.Display.FLAG_CAN_SHOW_WITH_INSECURE_KEYGUARD;
import static android.view.Display.FLAG_PRIVATE;
import static android.view.Display.FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS;
import static android.view.Display.INVALID_DISPLAY;
import static android.view.Display.REMOVE_MODE_DESTROY_CONTENT;
import static android.view.Display.STATE_UNKNOWN;
import static android.view.Display.isSuspendedState;
import static android.view.InsetsState.ITYPE_IME;
import static android.view.InsetsState.ITYPE_LEFT_GESTURES;
import static android.view.InsetsState.ITYPE_NAVIGATION_BAR;
import static android.view.InsetsState.ITYPE_RIGHT_GESTURES;
import static android.view.Surface.ROTATION_0;
import static android.view.Surface.ROTATION_270;
import static android.view.Surface.ROTATION_90;
import static android.view.View.GONE;
import static android.view.ViewRootImpl.LOCAL_LAYOUT;
import static android.view.WindowInsets.Type.displayCutout;
import static android.view.WindowInsets.Type.ime;
import static android.view.WindowInsets.Type.systemBars;
import static android.view.WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE;
import static android.view.WindowManager.DISPLAY_IME_POLICY_FALLBACK_DISPLAY;
import static android.view.WindowManager.DISPLAY_IME_POLICY_LOCAL;
import static android.view.WindowManager.LayoutParams;
import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL;
import static android.view.WindowManager.LayoutParams.INVALID_WINDOW_TYPE;
import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
import static android.view.WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN;
import static android.view.WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN;
import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
import static android.view.WindowManager.LayoutParams.TYPE_BOOT_PROGRESS;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG;
import static android.view.WindowManager.LayoutParams.TYPE_NAVIGATION_BAR;
import static android.view.WindowManager.LayoutParams.TYPE_NOTIFICATION_SHADE;
import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG;
import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;
import static android.view.WindowManager.LayoutParams.TYPE_TOAST;
import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
import static android.view.WindowManager.TRANSIT_CHANGE;
import static android.view.WindowManager.TRANSIT_NONE;
import static android.view.WindowManager.TRANSIT_OPEN;
import static android.view.WindowManager.TRANSIT_TO_FRONT;
import static android.window.DisplayAreaOrganizer.FEATURE_IME;
import static android.window.DisplayAreaOrganizer.FEATURE_ROOT;
import static android.window.DisplayAreaOrganizer.FEATURE_WINDOWED_MAGNIFICATION;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_APP_TRANSITIONS;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_BOOT;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_CONTENT_RECORDING;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_FOCUS;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_FOCUS_LIGHT;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_IME;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_ORIENTATION;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_SCREEN_ON;
import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_WALLPAPER;
import static com.android.internal.protolog.ProtoLogGroup.WM_SHOW_TRANSACTIONS;
import static com.android.internal.util.LatencyTracker.ACTION_ROTATE_SCREEN;
import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM;
import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG;
import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT;
import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
import static com.android.server.wm.ActivityRecord.State.RESUMED;
import static com.android.server.wm.ActivityTaskManagerService.POWER_MODE_REASON_CHANGE_DISPLAY;
import static com.android.server.wm.DisplayContentProto.APP_TRANSITION;
import static com.android.server.wm.DisplayContentProto.CLOSING_APPS;
import static com.android.server.wm.DisplayContentProto.CURRENT_FOCUS;
import static com.android.server.wm.DisplayContentProto.DISPLAY_FRAMES;
import static com.android.server.wm.DisplayContentProto.DISPLAY_INFO;
import static com.android.server.wm.DisplayContentProto.DISPLAY_READY;
import static com.android.server.wm.DisplayContentProto.DISPLAY_ROTATION;
import static com.android.server.wm.DisplayContentProto.DPI;
import static com.android.server.wm.DisplayContentProto.FOCUSED_APP;
import static com.android.server.wm.DisplayContentProto.FOCUSED_ROOT_TASK_ID;
import static com.android.server.wm.DisplayContentProto.ID;
import static com.android.server.wm.DisplayContentProto.IME_INSETS_SOURCE_PROVIDER;
import static com.android.server.wm.DisplayContentProto.IME_POLICY;
import static com.android.server.wm.DisplayContentProto.INPUT_METHOD_CONTROL_TARGET;
import static com.android.server.wm.DisplayContentProto.INPUT_METHOD_INPUT_TARGET;
import static com.android.server.wm.DisplayContentProto.INPUT_METHOD_TARGET;
import static com.android.server.wm.DisplayContentProto.INSETS_SOURCE_PROVIDERS;
import static com.android.server.wm.DisplayContentProto.IS_SLEEPING;
import static com.android.server.wm.DisplayContentProto.KEEP_CLEAR_AREAS;
import static com.android.server.wm.DisplayContentProto.MIN_SIZE_OF_RESIZEABLE_TASK_DP;
import static com.android.server.wm.DisplayContentProto.OPENING_APPS;
import static com.android.server.wm.DisplayContentProto.RESUMED_ACTIVITY;
import static com.android.server.wm.DisplayContentProto.ROOT_DISPLAY_AREA;
import static com.android.server.wm.DisplayContentProto.SCREEN_ROTATION_ANIMATION;
import static com.android.server.wm.DisplayContentProto.SLEEP_TOKENS;
import static com.android.server.wm.SurfaceAnimator.ANIMATION_TYPE_APP_TRANSITION;
import static com.android.server.wm.SurfaceAnimator.ANIMATION_TYPE_WINDOW_ANIMATION;
import static com.android.server.wm.WindowContainer.AnimationFlags.PARENTS;
import static com.android.server.wm.WindowContainer.AnimationFlags.TRANSITION;
import static com.android.server.wm.WindowContainerChildProto.DISPLAY_CONTENT;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DISPLAY;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_INPUT_METHOD;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_LAYOUT_REPEATS;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SCREENSHOT;
import static com.android.server.wm.WindowManagerDebugConfig.SHOW_STACK_CRAWLS;
import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
import static com.android.server.wm.WindowManagerService.H.REPORT_HARD_KEYBOARD_STATUS_CHANGE;
import static com.android.server.wm.WindowManagerService.H.WINDOW_HIDE_TIMEOUT;
import static com.android.server.wm.WindowManagerService.UPDATE_FOCUS_PLACING_SURFACES;
import static com.android.server.wm.WindowManagerService.UPDATE_FOCUS_WILL_ASSIGN_LAYERS;
import static com.android.server.wm.WindowManagerService.UPDATE_FOCUS_WILL_PLACE_SURFACES;
import static com.android.server.wm.WindowManagerService.WINDOWS_FREEZING_SCREENS_TIMEOUT;
import static com.android.server.wm.WindowManagerService.dipToPixel;
import static com.android.server.wm.WindowState.EXCLUSION_LEFT;
import static com.android.server.wm.WindowState.EXCLUSION_RIGHT;
import static com.android.server.wm.WindowState.RESIZE_HANDLE_WIDTH_IN_DP;
import static com.android.server.wm.WindowStateAnimator.READY_TO_SHOW;
import static com.android.server.wm.utils.RegionUtils.forEachRectReverse;
import static com.android.server.wm.utils.RegionUtils.rectListToRegion;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.app.ActivityManager;
import android.app.ActivityManagerInternal;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.content.pm.ActivityInfo.ScreenOrientation;
import android.content.res.CompatibilityInfo;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.ColorSpace;
import android.graphics.Matrix;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.Region;
import android.graphics.Region.Op;
import android.hardware.HardwareBuffer;
import android.hardware.display.DisplayManagerInternal;
import android.metrics.LogMaker;
import android.os.Bundle;
import android.os.Debug;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.RemoteCallbackList;
import android.os.RemoteException;
import android.os.SystemClock;
import android.os.Trace;
import android.os.UserHandle;
import android.provider.Settings;
import android.util.ArraySet;
import android.util.DisplayMetrics;
import android.util.DisplayUtils;
import android.util.IntArray;
import android.util.RotationUtils;
import android.util.Size;
import android.util.Slog;
import android.util.SparseArray;
import android.util.SparseBooleanArray;
import android.util.proto.ProtoOutputStream;
import android.view.ContentRecordingSession;
import android.view.Display;
import android.view.DisplayCutout;
import android.view.DisplayInfo;
import android.view.Gravity;
import android.view.IDisplayWindowInsetsController;
import android.view.ISystemGestureExclusionListener;
import android.view.IWindow;
import android.view.InputChannel;
import android.view.InputDevice;
import android.view.InsetsSource;
import android.view.InsetsState;
import android.view.InsetsState.InternalInsetsType;
import android.view.InsetsVisibilities;
import android.view.MagnificationSpec;
import android.view.PrivacyIndicatorBounds;
import android.view.RemoteAnimationDefinition;
import android.view.RoundedCorners;
import android.view.Surface;
import android.view.Surface.Rotation;
import android.view.SurfaceControl;
import android.view.SurfaceControl.Transaction;
import android.view.SurfaceSession;
import android.view.WindowInsets;
import android.view.WindowManager;
import android.view.WindowManager.DisplayImePolicy;
import android.view.WindowManagerPolicyConstants.PointerEventListener;
import android.window.DisplayWindowPolicyController;
import android.window.IDisplayAreaOrganizer;
import android.window.TransitionRequestInfo;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.protolog.common.ProtoLog;
import com.android.internal.util.ToBooleanFunction;
import com.android.internal.util.function.TriConsumer;
import com.android.internal.util.function.pooled.PooledConsumer;
import com.android.internal.util.function.pooled.PooledLambda;
import com.android.internal.util.function.pooled.PooledPredicate;
import com.android.server.inputmethod.InputMethodManagerInternal;
import com.android.server.policy.WindowManagerPolicy;
import com.android.server.wm.utils.RotationCache;
import com.android.server.wm.utils.WmDisplayCutout;
import java.io.PrintWriter;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.function.Consumer;
import java.util.function.Predicate;
/**
* Utility class for keeping track of the WindowStates and other pertinent contents of a
* particular Display.
*/
class DisplayContent extends RootDisplayArea implements WindowManagerPolicy.DisplayContentInfo {
private static final String TAG = TAG_WITH_CLASS_NAME ? "DisplayContent" : TAG_WM;
/** The default scaling mode that scales content automatically. */
static final int FORCE_SCALING_MODE_AUTO = 0;
/** For {@link #setForcedScalingMode} to apply flag {@link Display#FLAG_SCALING_DISABLED}. */
static final int FORCE_SCALING_MODE_DISABLED = 1;
@IntDef(prefix = { "FORCE_SCALING_MODE_" }, value = {
FORCE_SCALING_MODE_AUTO,
FORCE_SCALING_MODE_DISABLED
})
@Retention(RetentionPolicy.SOURCE)
@interface ForceScalingMode {}
final ActivityTaskManagerService mAtmService;
/**
* Unique logical identifier of this display.
*
* @see DisplayInfo#displayId
*/
final int mDisplayId;
/**
* Unique physical identifier of this display. Unlike {@link #mDisplayId} this value can change
* at runtime if the underlying physical display changes.
*
* @see DisplayInfo#uniqueId
*/
@Nullable
String mCurrentUniqueDisplayId;
/**
* We organize all top-level Surfaces into the following layer.
* It contains a few Surfaces which are always on top of others, and omitted from
* Screen-Magnification, for example the strict mode flash or the fullscreen magnification
* overlay.
*/
private SurfaceControl mOverlayLayer;
/**
* The direct child layer of the display to put all non-overlay windows. This is also used for
* screen rotation animation so that there is a parent layer to put the animation leash.
*/
private SurfaceControl mWindowingLayer;
/**
* Delegate for handling all logic around content recording; decides if this DisplayContent is
* recording, and if so, applies necessary updates to SurfaceFlinger.
*/
@Nullable
private ContentRecorder mContentRecorder;
/**
* The default per Display minimal size of tasks. Calculated at construction.
*/
int mMinSizeOfResizeableTaskDp = -1;
// Contains all IME window containers. Note that the z-ordering of the IME windows will depend
// on the IME target. We mainly have this container grouping so we can keep track of all the IME
// window containers together and move them in-sync if/when needed. We use a subclass of
// WindowContainer which is omitted from screen magnification, as the IME is never magnified.
// TODO(display-area): is "no magnification" in the comment still true?
private final ImeContainer mImeWindowsContainer = new ImeContainer(mWmService);
@VisibleForTesting
DisplayAreaPolicy mDisplayAreaPolicy;
private WindowState mTmpWindow;
private boolean mUpdateImeTarget;
private boolean mTmpInitial;
private int mMaxUiWidth;
final AppTransition mAppTransition;
final AppTransitionController mAppTransitionController;
boolean mSkipAppTransitionAnimation = false;
final ArraySet<ActivityRecord> mOpeningApps = new ArraySet<>();
final ArraySet<ActivityRecord> mClosingApps = new ArraySet<>();
final ArraySet<WindowContainer> mChangingContainers = new ArraySet<>();
final UnknownAppVisibilityController mUnknownAppVisibilityController;
private MetricsLogger mMetricsLogger;
/**
* List of clients without a transtiton animation that we notify once we are done
* transitioning since they won't be notified through the app window animator.
*/
final List<IBinder> mNoAnimationNotifyOnTransitionFinished = new ArrayList<>();
// Mapping from a token IBinder to a WindowToken object on this display.
private final HashMap<IBinder, WindowToken> mTokenMap = new HashMap();
// Initial display metrics.
int mInitialDisplayWidth = 0;
int mInitialDisplayHeight = 0;
int mInitialDisplayDensity = 0;
float mInitialPhysicalXDpi = 0.0f;
float mInitialPhysicalYDpi = 0.0f;
private Point mPhysicalDisplaySize;
DisplayCutout mInitialDisplayCutout;
private final RotationCache<DisplayCutout, WmDisplayCutout> mDisplayCutoutCache
= new RotationCache<>(this::calculateDisplayCutoutForRotationUncached);
boolean mIgnoreDisplayCutout;
RoundedCorners mInitialRoundedCorners;
private final RotationCache<RoundedCorners, RoundedCorners> mRoundedCornerCache =
new RotationCache<>(this::calculateRoundedCornersForRotationUncached);
PrivacyIndicatorBounds mCurrentPrivacyIndicatorBounds = new PrivacyIndicatorBounds();
private final RotationCache<PrivacyIndicatorBounds, PrivacyIndicatorBounds>
mPrivacyIndicatorBoundsCache = new
RotationCache<>(this::calculatePrivacyIndicatorBoundsForRotationUncached);
/**
* Overridden display size. Initialized with {@link #mInitialDisplayWidth}
* and {@link #mInitialDisplayHeight}, but can be set via shell command "adb shell wm size".
* @see WindowManagerService#setForcedDisplaySize(int, int, int)
*/
int mBaseDisplayWidth = 0;
int mBaseDisplayHeight = 0;
DisplayCutout mBaseDisplayCutout;
RoundedCorners mBaseRoundedCorners;
boolean mIsSizeForced = false;
/**
* Overridden display size and metrics to activity window bounds. Set via
* "adb shell wm set-sandbox-display-apis". Default to true, since only disable for debugging.
* @see WindowManagerService#setSandboxDisplayApis(int, boolean)
*/
private boolean mSandboxDisplayApis = true;
/**
* Overridden display density for current user. Initialized with {@link #mInitialDisplayDensity}
* but can be set from Settings or via shell command "adb shell wm density".
* @see WindowManagerService#setForcedDisplayDensityForUser(int, int, int)
*/
int mBaseDisplayDensity = 0;
boolean mIsDensityForced = false;
/**
* Overridden display physical dpi.
*/
float mBaseDisplayPhysicalXDpi = 0.0f;
float mBaseDisplayPhysicalYDpi = 0.0f;
/**
* Whether to disable display scaling. This can be set via shell command "adb shell wm scaling".
* @see WindowManagerService#setForcedDisplayScalingMode(int, int)
*/
boolean mDisplayScalingDisabled;
final Display mDisplay;
private final DisplayInfo mDisplayInfo = new DisplayInfo();
private final DisplayMetrics mDisplayMetrics = new DisplayMetrics();
private final DisplayPolicy mDisplayPolicy;
private final DisplayRotation mDisplayRotation;
DisplayFrames mDisplayFrames;
private final RemoteCallbackList<ISystemGestureExclusionListener>
mSystemGestureExclusionListeners = new RemoteCallbackList<>();
private final Region mSystemGestureExclusion = new Region();
private boolean mSystemGestureExclusionWasRestricted = false;
private final Region mSystemGestureExclusionUnrestricted = new Region();
private int mSystemGestureExclusionLimit;
private Set<Rect> mRestrictedKeepClearAreas = new ArraySet<>();
private Set<Rect> mUnrestrictedKeepClearAreas = new ArraySet<>();
/**
* For default display it contains real metrics, empty for others.
* @see WindowManagerService#createWatermark()
*/
final DisplayMetrics mRealDisplayMetrics = new DisplayMetrics();
/** @see #computeCompatSmallestWidth(boolean, int, int, int) */
private final DisplayMetrics mTmpDisplayMetrics = new DisplayMetrics();
/**
* Compat metrics computed based on {@link #mDisplayMetrics}.
* @see #updateDisplayAndOrientation(int, Configuration)
*/
private final DisplayMetrics mCompatDisplayMetrics = new DisplayMetrics();
/** The desired scaling factor for compatible apps. */
float mCompatibleScreenScale;
/** @see #getCurrentOverrideConfigurationChanges */
private int mCurrentOverrideConfigurationChanges;
/**
* The maximum aspect ratio (longerSide/shorterSide) that is treated as close-to-square. The
* orientation requests from apps would be ignored if the display is close-to-square.
*/
@VisibleForTesting
final float mCloseToSquareMaxAspectRatio;
/**
* Keep track of wallpaper visibility to notify changes.
*/
private boolean mLastWallpaperVisible = false;
// Accessed directly by all users.
private boolean mLayoutNeeded;
int pendingLayoutChanges;
boolean mLayoutAndAssignWindowLayersScheduled;
/**
* Used to gate application window layout until we have sent the complete configuration.
* TODO: There are still scenarios where we may be out of sync with the client. Ideally
* we want to replace this flag with a mechanism that will confirm the configuration
* applied by the client is the one expected by the system server.
*/
boolean mWaitingForConfig;
// TODO(multi-display): remove some of the usages.
@VisibleForTesting
boolean isDefaultDisplay;
/** Detect user tapping outside of current focused task bounds .*/
@VisibleForTesting
final TaskTapPointerEventListener mTapDetector;
/** Detect user tapping outside of current focused root task bounds .*/
private Region mTouchExcludeRegion = new Region();
/** Save allocating when calculating rects */
private final Rect mTmpRect = new Rect();
private final Rect mTmpRect2 = new Rect();
private final Region mTmpRegion = new Region();
private final Configuration mTmpConfiguration = new Configuration();
/** Remove this display when animation on it has completed. */
private boolean mDeferredRemoval;
final DockedTaskDividerController mDividerControllerLocked;
final PinnedTaskController mPinnedTaskController;
final ArrayList<WindowState> mTapExcludedWindows = new ArrayList<>();
/** A collection of windows that provide tap exclude regions inside of them. */
final ArraySet<WindowState> mTapExcludeProvidingWindows = new ArraySet<>();
private final LinkedList<ActivityRecord> mTmpUpdateAllDrawn = new LinkedList();
private final TaskForResizePointSearchResult mTmpTaskForResizePointSearchResult =
new TaskForResizePointSearchResult();
private final ApplySurfaceChangesTransactionState mTmpApplySurfaceChangesTransactionState =
new ApplySurfaceChangesTransactionState();
// {@code false} if this display is in the processing of being created.
private boolean mDisplayReady = false;
WallpaperController mWallpaperController;
boolean mWallpaperMayChange = false;
private final SurfaceSession mSession = new SurfaceSession();
/**
* Window that is currently interacting with the user. This window is responsible for receiving
* key events and pointer events from the user.
*/
WindowState mCurrentFocus = null;
/**
* The foreground app of this display. Windows below this app cannot be the focused window. If
* the user taps on the area outside of the task of the focused app, we will notify AM about the
* new task the user wants to interact with.
*/
ActivityRecord mFocusedApp = null;
/**
* We only respect the orientation request from apps below this {@link TaskDisplayArea}.
* It is the last focused {@link TaskDisplayArea} on this display that handles orientation
* request.
*/
@Nullable
private TaskDisplayArea mOrientationRequestingTaskDisplayArea = null;
/**
* The launching activity which is using fixed rotation transformation.
*
* @see #handleTopActivityLaunchingInDifferentOrientation
* @see #setFixedRotationLaunchingApp(ActivityRecord, int)
* @see DisplayRotation#shouldRotateSeamlessly
*/
private ActivityRecord mFixedRotationLaunchingApp;
/** The delay to avoid toggling the animation quickly. */
private static final long FIXED_ROTATION_HIDE_ANIMATION_DEBOUNCE_DELAY_MS = 250;
private AsyncRotationController mAsyncRotationController;
final FixedRotationTransitionListener mFixedRotationTransitionListener =
new FixedRotationTransitionListener();
private PhysicalDisplaySwitchTransitionLauncher mDisplaySwitchTransitionLauncher;
/** Windows added since {@link #mCurrentFocus} was set to null. Used for ANR blaming. */
final ArrayList<WindowState> mWinAddedSinceNullFocus = new ArrayList<>();
/** Windows removed since {@link #mCurrentFocus} was set to null. Used for ANR blaming. */
final ArrayList<WindowState> mWinRemovedSinceNullFocus = new ArrayList<>();
private ScreenRotationAnimation mScreenRotationAnimation;
/**
* Sequence number for the current layout pass.
*/
int mLayoutSeq = 0;
/**
* Specifies the count to determine whether to defer updating the IME target until ready.
*/
private int mDeferUpdateImeTargetCount;
private boolean mUpdateImeRequestedWhileDeferred;
private MagnificationSpec mMagnificationSpec;
private InputMonitor mInputMonitor;
/** Caches the value whether told display manager that we have content. */
private boolean mLastHasContent;
/**
* The input method window for this display.
*/
WindowState mInputMethodWindow;
/**
* This just indicates the window the input method is on top of, not
* necessarily the window its input is going to.
*/
private WindowState mImeLayeringTarget;
/**
* The window which receives input from the input method. This is also a candidate of the
* input method control target.
*/
private InputTarget mImeInputTarget;
/**
* The last ime input target processed from setImeLayeringTargetInner
* this is to ensure we update the control target in the case when the IME
* target changes while the IME layering target stays the same, for example
* the case of the IME moving to a SurfaceControlViewHost backed EmbeddedWindow
*/
private InputTarget mLastImeInputTarget;
/**
* This controls the visibility and animation of the input method window.
*/
private InsetsControlTarget mImeControlTarget;
/**
* Used by {@link #getImeTarget} to return the IME target which the input method window on
* top of for adjusting input method window surface layer Z-Ordering.
*
* @see #mImeLayeringTarget
*/
static final int IME_TARGET_LAYERING = 0;
/**
* Used by {@link #getImeTarget} to return the IME target which controls the IME insets
* visibility and animation.
*
* @see #mImeControlTarget
*/
static final int IME_TARGET_CONTROL = 2;
@IntDef(flag = false, prefix = { "IME_TARGET_" }, value = {
IME_TARGET_LAYERING,
IME_TARGET_CONTROL,
})
@Retention(RetentionPolicy.SOURCE)
@interface InputMethodTarget {}
/** The surface parent of the IME container. */
@VisibleForTesting
SurfaceControl mInputMethodSurfaceParent;
private final PointerEventDispatcher mPointerEventDispatcher;
private final InsetsStateController mInsetsStateController;
private final InsetsPolicy mInsetsPolicy;
/** Corner radius that windows should have in order to match the display. */
private final float mWindowCornerRadius;
final SparseArray<ShellRoot> mShellRoots = new SparseArray<>();
RemoteInsetsControlTarget mRemoteInsetsControlTarget = null;
private final IBinder.DeathRecipient mRemoteInsetsDeath =
() -> {
synchronized (mWmService.mGlobalLock) {
mRemoteInsetsControlTarget = null;
}
};
private RootWindowContainer mRootWindowContainer;
/** Array of all UIDs that are present on the display. */
private IntArray mDisplayAccessUIDs = new IntArray();
/** All tokens used to put activities on this root task to sleep (including mOffToken) */
final ArrayList<RootWindowContainer.SleepToken> mAllSleepTokens = new ArrayList<>();
/** The token acquirer to put root tasks on the display to sleep */
private final ActivityTaskManagerInternal.SleepTokenAcquirer mOffTokenAcquirer;
private boolean mSleeping;
/** We started the process of removing the display from the system. */
private boolean mRemoving;
/**
* The display is removed from the system and we are just waiting for all activities on it to be
* finished before removing this object.
*/
private boolean mRemoved;
/** Set of activities in foreground size compat mode. */
private Set<ActivityRecord> mActiveSizeCompatActivities = new ArraySet<>();
// Used in updating the display size
private Point mTmpDisplaySize = new Point();
// Used in updating override configurations
private final Configuration mTempConfig = new Configuration();
/**
* Used to prevent recursions when calling
* {@link #ensureActivitiesVisible(ActivityRecord, int, boolean, boolean)}
*/
private boolean mInEnsureActivitiesVisible = false;
// Used to indicate that the movement of child tasks to top will not move the display to top as
// well and thus won't change the top resumed / focused record
boolean mDontMoveToTop;
/**
* The helper of policy controller.
*
* @see DisplayWindowPolicyControllerHelper
*/
DisplayWindowPolicyControllerHelper mDwpcHelper;
private final Consumer<WindowState> mUpdateWindowsForAnimator = w -> {
WindowStateAnimator winAnimator = w.mWinAnimator;
final ActivityRecord activity = w.mActivityRecord;
if (winAnimator.mDrawState == READY_TO_SHOW) {
if (activity == null || activity.canShowWindows()) {
if (w.performShowLocked()) {
pendingLayoutChanges |= FINISH_LAYOUT_REDO_ANIM;
if (DEBUG_LAYOUT_REPEATS) {
mWmService.mWindowPlacerLocked.debugLayoutRepeats(
"updateWindowsAndWallpaperLocked 5", pendingLayoutChanges);
}
}
}
}
};
private final Consumer<WindowState> mScheduleToastTimeout = w -> {
final int lostFocusUid = mTmpWindow.mOwnerUid;
final Handler handler = mWmService.mH;
if (w.mAttrs.type == TYPE_TOAST && w.mOwnerUid == lostFocusUid) {
if (!handler.hasMessages(WINDOW_HIDE_TIMEOUT, w)) {
handler.sendMessageDelayed(handler.obtainMessage(WINDOW_HIDE_TIMEOUT, w),
w.mAttrs.hideTimeoutMilliseconds);
}
}
};
private final ToBooleanFunction<WindowState> mFindFocusedWindow = w -> {
final ActivityRecord focusedApp = mFocusedApp;
ProtoLog.v(WM_DEBUG_FOCUS, "Looking for focus: %s, flags=%d, canReceive=%b, reason=%s",
w, w.mAttrs.flags, w.canReceiveKeys(),
w.canReceiveKeysReason(false /* fromUserTouch */));
if (!w.canReceiveKeys()) {
return false;
}
// When switching the app task, we keep the IME window visibility for better
// transitioning experiences.
// However, in case IME created a child window or the IME selection dialog without
// dismissing during the task switching to keep the window focus because IME window has
// higher window hierarchy, we don't give it focus if the next IME layering target
// doesn't request IME visible.
if (w.mIsImWindow && w.isChildWindow() && (mImeLayeringTarget == null
|| !mImeLayeringTarget.getRequestedVisibility(ITYPE_IME))) {
return false;
}
if (w.mAttrs.type == TYPE_INPUT_METHOD_DIALOG && mImeLayeringTarget != null
&& !mImeLayeringTarget.getRequestedVisibility(ITYPE_IME)
&& mImeLayeringTarget.isAnimating(PARENTS | TRANSITION,
ANIMATION_TYPE_APP_TRANSITION)) {
return false;
}
final ActivityRecord activity = w.mActivityRecord;
if (focusedApp == null) {
ProtoLog.v(WM_DEBUG_FOCUS_LIGHT,
"findFocusedWindow: focusedApp=null using new focus @ %s", w);
mTmpWindow = w;
return true;
}
if (!focusedApp.windowsAreFocusable()) {
// Current focused app windows aren't focusable...
ProtoLog.v(WM_DEBUG_FOCUS_LIGHT, "findFocusedWindow: focusedApp windows not"
+ " focusable using new focus @ %s", w);
mTmpWindow = w;
return true;
}
// Descend through all of the app tokens and find the first that either matches
// win.mActivityRecord (return win) or mFocusedApp (return null).
if (activity != null && w.mAttrs.type != TYPE_APPLICATION_STARTING) {
if (focusedApp.compareTo(activity) > 0) {
// App root task below focused app root task. No focus for you!!!
ProtoLog.v(WM_DEBUG_FOCUS_LIGHT,
"findFocusedWindow: Reached focused app=%s", focusedApp);
mTmpWindow = null;
return true;
}
// If the candidate activity is currently being embedded in the focused task, the
// activity cannot be focused unless it is on the same TaskFragment as the focusedApp's.
TaskFragment parent = activity.getTaskFragment();
if (parent != null && parent.isEmbedded()) {
Task hostTask = focusedApp.getTask();
if (hostTask.isEmbedded()) {
// Use the hosting task if the current task is embedded.
hostTask = hostTask.getParent().asTaskFragment().getTask();
}
if (activity.isDescendantOf(hostTask)
&& activity.getTaskFragment() != focusedApp.getTaskFragment()) {
return false;
}
}
}
ProtoLog.v(WM_DEBUG_FOCUS_LIGHT, "findFocusedWindow: Found new focus @ %s", w);
mTmpWindow = w;
return true;
};
private final Consumer<WindowState> mPerformLayout = w -> {
if (w.mLayoutAttached) {
return;
}
// Don't do layout of a window if it is not visible, or soon won't be visible, to avoid
// wasting time and funky changes while a window is animating away.
final boolean gone = w.isGoneForLayout();
if (DEBUG_LAYOUT) {
Slog.v(TAG, "1ST PASS " + w + ": gone=" + gone + " mHaveFrame=" + w.mHaveFrame
+ " config reported=" + w.isLastConfigReportedToClient());
final ActivityRecord activity = w.mActivityRecord;
if (gone) Slog.v(TAG, " GONE: mViewVisibility=" + w.mViewVisibility
+ " mRelayoutCalled=" + w.mRelayoutCalled + " visible=" + w.mToken.isVisible()
+ " visibleRequested=" + (activity != null && activity.mVisibleRequested)
+ " parentHidden=" + w.isParentWindowHidden());
else Slog.v(TAG, " VIS: mViewVisibility=" + w.mViewVisibility
+ " mRelayoutCalled=" + w.mRelayoutCalled + " visible=" + w.mToken.isVisible()
+ " visibleRequested=" + (activity != null && activity.mVisibleRequested)
+ " parentHidden=" + w.isParentWindowHidden());
}
// If this view is GONE, then skip it -- keep the current frame, and let the caller know
// so they can ignore it if they want. (We do the normal layout for INVISIBLE windows,
// since that means "perform layout as normal, just don't display").
if (!gone || !w.mHaveFrame || w.mLayoutNeeded) {
if (mTmpInitial) {
w.resetContentChanged();
}
w.mSurfacePlacementNeeded = true;
w.mLayoutNeeded = false;
final boolean firstLayout = !w.isLaidOut();
getDisplayPolicy().layoutWindowLw(w, null, mDisplayFrames);
w.mLayoutSeq = mLayoutSeq;
// If this is the first layout, we need to initialize the last frames and inset values,
// as otherwise we'd immediately cause an unnecessary resize.
if (firstLayout) {
// The client may compute its actual requested size according to the first layout,
// so we still request the window to resize if the current frame is empty.
if (!w.getFrame().isEmpty()) {
w.updateLastFrames();
}
w.onResizeHandled();
}
if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame=" + w.getFrame()
+ " mParentFrame=" + w.getParentFrame()
+ " mDisplayFrame=" + w.getDisplayFrame());
}
};
private final Consumer<WindowState> mPerformLayoutAttached = w -> {
if (!w.mLayoutAttached) {
return;
}
if (DEBUG_LAYOUT) Slog.v(TAG, "2ND PASS " + w + " mHaveFrame=" + w.mHaveFrame
+ " mViewVisibility=" + w.mViewVisibility
+ " mRelayoutCalled=" + w.mRelayoutCalled);
// If this view is GONE, then skip it -- keep the current frame, and let the caller
// know so they can ignore it if they want. (We do the normal layout for INVISIBLE
// windows, since that means "perform layout as normal, just don't display").
if ((w.mViewVisibility != GONE && w.mRelayoutCalled) || !w.mHaveFrame
|| w.mLayoutNeeded) {
if (mTmpInitial) {
w.resetContentChanged();
}
w.mSurfacePlacementNeeded = true;
w.mLayoutNeeded = false;
getDisplayPolicy().layoutWindowLw(w, w.getParentWindow(), mDisplayFrames);
w.mLayoutSeq = mLayoutSeq;
if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame=" + w.getFrame()
+ " mParentFrame=" + w.getParentFrame()
+ " mDisplayFrame=" + w.getDisplayFrame());
}
};
private final Predicate<WindowState> mComputeImeTargetPredicate = w -> {
if (DEBUG_INPUT_METHOD && mUpdateImeTarget) Slog.i(TAG_WM, "Checking window @" + w
+ " fl=0x" + Integer.toHexString(w.mAttrs.flags));
return w.canBeImeTarget();
};
private final Consumer<WindowState> mApplyPostLayoutPolicy =
w -> getDisplayPolicy().applyPostLayoutPolicyLw(w, w.mAttrs, w.getParentWindow(),
mImeLayeringTarget);
private final Consumer<WindowState> mApplySurfaceChangesTransaction = w -> {
final WindowSurfacePlacer surfacePlacer = mWmService.mWindowPlacerLocked;
final boolean obscuredChanged = w.mObscured !=
mTmpApplySurfaceChangesTransactionState.obscured;
final RootWindowContainer root = mWmService.mRoot;
// Update effect.
w.mObscured = mTmpApplySurfaceChangesTransactionState.obscured;
if (!mTmpApplySurfaceChangesTransactionState.obscured) {
final boolean isDisplayed = w.isDisplayed();
if (isDisplayed && w.isObscuringDisplay()) {
// This window completely covers everything behind it, so we want to leave all
// of them as undimmed (for performance reasons).
root.mObscuringWindow = w;
mTmpApplySurfaceChangesTransactionState.obscured = true;
}
final boolean displayHasContent = root.handleNotObscuredLocked(w,
mTmpApplySurfaceChangesTransactionState.obscured,
mTmpApplySurfaceChangesTransactionState.syswin);
if (!mTmpApplySurfaceChangesTransactionState.displayHasContent
&& !getDisplayPolicy().isWindowExcludedFromContent(w)) {
mTmpApplySurfaceChangesTransactionState.displayHasContent |= displayHasContent;
}
if (w.mHasSurface && isDisplayed) {
final int type = w.mAttrs.type;
if (type == TYPE_SYSTEM_DIALOG
|| type == TYPE_SYSTEM_ERROR
|| (type == TYPE_NOTIFICATION_SHADE
&& mWmService.mPolicy.isKeyguardShowing())) {
mTmpApplySurfaceChangesTransactionState.syswin = true;
}
if (mTmpApplySurfaceChangesTransactionState.preferredRefreshRate == 0
&& w.mAttrs.preferredRefreshRate != 0) {
mTmpApplySurfaceChangesTransactionState.preferredRefreshRate
= w.mAttrs.preferredRefreshRate;
}
mTmpApplySurfaceChangesTransactionState.preferMinimalPostProcessing
|= w.mAttrs.preferMinimalPostProcessing;
final int preferredModeId = getDisplayPolicy().getRefreshRatePolicy()
.getPreferredModeId(w);
if (mTmpApplySurfaceChangesTransactionState.preferredModeId == 0
&& preferredModeId != 0) {
mTmpApplySurfaceChangesTransactionState.preferredModeId = preferredModeId;
}
final float preferredMinRefreshRate = getDisplayPolicy().getRefreshRatePolicy()
.getPreferredMinRefreshRate(w);
if (mTmpApplySurfaceChangesTransactionState.preferredMinRefreshRate == 0
&& preferredMinRefreshRate != 0) {
mTmpApplySurfaceChangesTransactionState.preferredMinRefreshRate =
preferredMinRefreshRate;
}
final float preferredMaxRefreshRate = getDisplayPolicy().getRefreshRatePolicy()
.getPreferredMaxRefreshRate(w);
if (mTmpApplySurfaceChangesTransactionState.preferredMaxRefreshRate == 0
&& preferredMaxRefreshRate != 0) {
mTmpApplySurfaceChangesTransactionState.preferredMaxRefreshRate =
preferredMaxRefreshRate;
}
}
}
if (obscuredChanged && w.isVisible() && mWallpaperController.isWallpaperTarget(w)) {
// This is the wallpaper target and its obscured state changed... make sure the
// current wallpaper's visibility has been updated accordingly.
mWallpaperController.updateWallpaperVisibility();
}
w.handleWindowMovedIfNeeded();
final WindowStateAnimator winAnimator = w.mWinAnimator;
//Slog.i(TAG, "Window " + this + " clearing mContentChanged - done placing");
w.resetContentChanged();
// Moved from updateWindowsAndWallpaperLocked().
if (w.mHasSurface) {
// Take care of the window being ready to display.
final boolean committed = winAnimator.commitFinishDrawingLocked();
if (isDefaultDisplay && committed) {
if (w.hasWallpaper()) {
ProtoLog.v(WM_DEBUG_WALLPAPER,
"First draw done in potential wallpaper target %s", w);
mWallpaperMayChange = true;
pendingLayoutChanges |= FINISH_LAYOUT_REDO_WALLPAPER;
if (DEBUG_LAYOUT_REPEATS) {
surfacePlacer.debugLayoutRepeats(
"wallpaper and commitFinishDrawingLocked true",
pendingLayoutChanges);
}
}
}
}
final ActivityRecord activity = w.mActivityRecord;
if (activity != null && activity.isVisibleRequested()) {
activity.updateLetterboxSurface(w);
final boolean updateAllDrawn = activity.updateDrawnWindowStates(w);
if (updateAllDrawn && !mTmpUpdateAllDrawn.contains(activity)) {
mTmpUpdateAllDrawn.add(activity);
}
}
w.updateResizingWindowIfNeeded();
};
/**
* Create new {@link DisplayContent} instance, add itself to the root window container and
* initialize direct children.
* @param display May not be null.
* @param root {@link RootWindowContainer}
*/
DisplayContent(Display display, RootWindowContainer root) {
super(root.mWindowManager, "DisplayContent", FEATURE_ROOT);
if (mWmService.mRoot.getDisplayContent(display.getDisplayId()) != null) {
throw new IllegalArgumentException("Display with ID=" + display.getDisplayId()
+ " already exists="
+ mWmService.mRoot.getDisplayContent(display.getDisplayId())
+ " new=" + display);
}
mRootWindowContainer = root;
mAtmService = mWmService.mAtmService;
mDisplay = display;
mDisplayId = display.getDisplayId();
mCurrentUniqueDisplayId = display.getUniqueId();
mOffTokenAcquirer = mRootWindowContainer.mDisplayOffTokenAcquirer;
mWallpaperController = new WallpaperController(mWmService, this);
display.getDisplayInfo(mDisplayInfo);
display.getMetrics(mDisplayMetrics);
mSystemGestureExclusionLimit = mWmService.mConstants.mSystemGestureExclusionLimitDp
* mDisplayMetrics.densityDpi / DENSITY_DEFAULT;
isDefaultDisplay = mDisplayId == DEFAULT_DISPLAY;
mInsetsStateController = new InsetsStateController(this);
mDisplayFrames = new DisplayFrames(mDisplayId, mInsetsStateController.getRawInsetsState(),
mDisplayInfo, calculateDisplayCutoutForRotation(mDisplayInfo.rotation),
calculateRoundedCornersForRotation(mDisplayInfo.rotation),
calculatePrivacyIndicatorBoundsForRotation(mDisplayInfo.rotation));
initializeDisplayBaseInfo();
mAppTransition = new AppTransition(mWmService.mContext, mWmService, this);
mAppTransition.registerListenerLocked(mWmService.mActivityManagerAppTransitionNotifier);
mAppTransition.registerListenerLocked(mFixedRotationTransitionListener);
mAppTransitionController = new AppTransitionController(mWmService, this);
mTransitionController.registerLegacyListener(mFixedRotationTransitionListener);
mUnknownAppVisibilityController = new UnknownAppVisibilityController(mWmService, this);
mDisplaySwitchTransitionLauncher = new PhysicalDisplaySwitchTransitionLauncher(this,
mTransitionController);
final InputChannel inputChannel = mWmService.mInputManager.monitorInput(
"PointerEventDispatcher" + mDisplayId, mDisplayId);
mPointerEventDispatcher = new PointerEventDispatcher(inputChannel);
// Tap Listeners are supported for:
// 1. All physical displays (multi-display).
// 2. VirtualDisplays on VR, AA (and everything else).
mTapDetector = new TaskTapPointerEventListener(mWmService, this);
registerPointerEventListener(mTapDetector);
registerPointerEventListener(mWmService.mMousePositionTracker);
if (mWmService.mAtmService.getRecentTasks() != null) {
registerPointerEventListener(
mWmService.mAtmService.getRecentTasks().getInputListener());
}
mDisplayPolicy = new DisplayPolicy(mWmService, this);
mDisplayRotation = new DisplayRotation(mWmService, this);
mCloseToSquareMaxAspectRatio = mWmService.mContext.getResources().getFloat(
com.android.internal.R.dimen.config_closeToSquareDisplayMaxAspectRatio);
if (isDefaultDisplay) {
// The policy may be invoked right after here, so it requires the necessary default
// fields of this display content.
mWmService.mPolicy.setDefaultDisplay(this);
}
if (mWmService.mDisplayReady) {
mDisplayPolicy.onConfigurationChanged();
}
if (mWmService.mSystemReady) {
mDisplayPolicy.systemReady();
}
mWindowCornerRadius = mDisplayPolicy.getWindowCornerRadius();
mDividerControllerLocked = new DockedTaskDividerController(this);
mPinnedTaskController = new PinnedTaskController(mWmService, this);
final Transaction pendingTransaction = getPendingTransaction();
configureSurfaces(pendingTransaction);
pendingTransaction.apply();
// Sets the display content for the children.
onDisplayChanged(this);
updateDisplayAreaOrganizers();
mInputMonitor = new InputMonitor(mWmService, this);
mInsetsPolicy = new InsetsPolicy(mInsetsStateController, this);
mMinSizeOfResizeableTaskDp = getMinimalTaskSizeDp();
if (DEBUG_DISPLAY) Slog.v(TAG_WM, "Creating display=" + display);
mWmService.mDisplayWindowSettings.applySettingsToDisplayLocked(this);
}
@Override
void migrateToNewSurfaceControl(Transaction t) {
t.remove(mSurfaceControl);
mLastSurfacePosition.set(0, 0);
mLastDeltaRotation = Surface.ROTATION_0;
configureSurfaces(t);
for (int i = 0; i < mChildren.size(); i++) {
SurfaceControl sc = mChildren.get(i).getSurfaceControl();
if (sc != null) {
t.reparent(sc, mSurfaceControl);
}
}
scheduleAnimation();
}
/**
* Configures the surfaces hierarchy for DisplayContent
* This method always recreates the main surface control but reparents the children
* if they are already created.
* @param transaction as part of which to perform the configuration
*/
private void configureSurfaces(Transaction transaction) {
final SurfaceControl.Builder b = mWmService.makeSurfaceBuilder(mSession)
.setOpaque(true)
.setContainerLayer()
.setCallsite("DisplayContent");
mSurfaceControl = b.setName(getName()).setContainerLayer().build();
if (mDisplayAreaPolicy == null) {
// Setup the policy and build the display area hierarchy.
// Build the hierarchy only after creating the surface so it is reparented correctly
mDisplayAreaPolicy = mWmService.getDisplayAreaPolicyProvider().instantiate(
mWmService, this /* content */, this /* root */,
mImeWindowsContainer);
}
final List<DisplayArea<? extends WindowContainer>> areas =
mDisplayAreaPolicy.getDisplayAreas(FEATURE_WINDOWED_MAGNIFICATION);
final DisplayArea<?> area = areas.size() == 1 ? areas.get(0) : null;
if (area != null && area.getParent() == this) {
// The windowed magnification area should contain all non-overlay windows, so just use
// it as the windowing layer.
mWindowingLayer = area.mSurfaceControl;
transaction.reparent(mWindowingLayer, mSurfaceControl);
} else {
// Need an additional layer for screen level animation, so move the layer containing
// the windows to the new root.
mWindowingLayer = mSurfaceControl;
mSurfaceControl = b.setName("RootWrapper").build();
transaction.reparent(mWindowingLayer, mSurfaceControl)
.show(mWindowingLayer);
}
if (mOverlayLayer == null) {
mOverlayLayer = b.setName("Display Overlays").setParent(mSurfaceControl).build();
} else {
transaction.reparent(mOverlayLayer, mSurfaceControl);
}
transaction
.setLayer(mSurfaceControl, 0)
.setLayerStack(mSurfaceControl, mDisplayId)
.show(mSurfaceControl)
.setLayer(mOverlayLayer, Integer.MAX_VALUE)
.show(mOverlayLayer);
}
boolean isReady() {
// The display is ready when the system and the individual display are both ready.
return mWmService.mDisplayReady && mDisplayReady;
}
int getDisplayId() {
return mDisplayId;
}
float getWindowCornerRadius() {
return mWindowCornerRadius;
}
WindowToken getWindowToken(IBinder binder) {
return mTokenMap.get(binder);
}
ActivityRecord getActivityRecord(IBinder binder) {
final WindowToken token = getWindowToken(binder);
if (token == null) {
return null;
}
return token.asActivityRecord();
}
void addWindowToken(IBinder binder, WindowToken token) {
final DisplayContent dc = mWmService.mRoot.getWindowTokenDisplay(token);
if (dc != null) {
// We currently don't support adding a window token to the display if the display
// already has the binder mapped to another token. If there is a use case for supporting
// this moving forward we will either need to merge the WindowTokens some how or have
// the binder map to a list of window tokens.
throw new IllegalArgumentException("Can't map token=" + token + " to display="
+ getName() + " already mapped to display=" + dc + " tokens=" + dc.mTokenMap);
}
if (binder == null) {
throw new IllegalArgumentException("Can't map token=" + token + " to display="
+ getName() + " binder is null");
}
if (token == null) {
throw new IllegalArgumentException("Can't map null token to display="
+ getName() + " binder=" + binder);
}
mTokenMap.put(binder, token);
if (token.asActivityRecord() == null) {
// Set displayContent for non-app token to prevent same token will add twice after
// onDisplayChanged.
// TODO: Check if it's fine that super.onDisplayChanged of WindowToken
// (WindowsContainer#onDisplayChanged) may skipped when token.mDisplayContent assigned.
token.mDisplayContent = this;
// Add non-app token to container hierarchy on the display. App tokens are added through
// the parent container managing them (e.g. Tasks).
final DisplayArea.Tokens da = findAreaForToken(token).asTokens();
da.addChild(token);
}
}
WindowToken removeWindowToken(IBinder binder, boolean animateExit) {
final WindowToken token = mTokenMap.remove(binder);
if (token != null && token.asActivityRecord() == null) {
token.setExiting(animateExit);
}
return token;
}
SurfaceControl addShellRoot(@NonNull IWindow client,
@WindowManager.ShellRootLayer int shellRootLayer) {
ShellRoot root = mShellRoots.get(shellRootLayer);
if (root != null) {
if (root.getClient() == client) {
return root.getSurfaceControl();
}
root.clear();
mShellRoots.remove(shellRootLayer);
}
root = new ShellRoot(client, this, shellRootLayer);
SurfaceControl rootLeash = root.getSurfaceControl();
if (rootLeash == null) {
// Root didn't finish initializing, so don't add it.
root.clear();
return null;
}
mShellRoots.put(shellRootLayer, root);
SurfaceControl out = new SurfaceControl(rootLeash, "DisplayContent.addShellRoot");
return out;
}
void removeShellRoot(int windowType) {
synchronized(mWmService.mGlobalLock) {
ShellRoot root = mShellRoots.get(windowType);
if (root == null) {
return;
}
root.clear();
mShellRoots.remove(windowType);
}
}
void setRemoteInsetsController(IDisplayWindowInsetsController controller) {
if (mRemoteInsetsControlTarget != null) {
mRemoteInsetsControlTarget.mRemoteInsetsController.asBinder().unlinkToDeath(
mRemoteInsetsDeath, 0);
mRemoteInsetsControlTarget = null;
}
if (controller != null) {
try {
controller.asBinder().linkToDeath(mRemoteInsetsDeath, 0);
mRemoteInsetsControlTarget = new RemoteInsetsControlTarget(controller);
} catch (RemoteException e) {
return;
}
}
}
/** Changes the display the input window token is housed on to this one. */
void reParentWindowToken(WindowToken token) {
final DisplayContent prevDc = token.getDisplayContent();
if (prevDc == this) {
return;
}
if (prevDc != null) {
if (prevDc.mTokenMap.remove(token.token) != null && token.asActivityRecord() == null) {
// Removed the token from the map, but made sure it's not an app token before
// removing from parent.
token.getParent().removeChild(token);
}
}
addWindowToken(token.token, token);
if (mWmService.mAccessibilityController.hasCallbacks()) {
final int prevDisplayId = prevDc != null ? prevDc.getDisplayId() : INVALID_DISPLAY;
mWmService.mAccessibilityController.onSomeWindowResizedOrMoved(prevDisplayId,
getDisplayId());
}
}
void removeAppToken(IBinder binder) {
final WindowToken token = removeWindowToken(binder, true /* animateExit */);
if (token == null) {
Slog.w(TAG_WM, "removeAppToken: Attempted to remove non-existing token: " + binder);
return;
}
final ActivityRecord activity = token.asActivityRecord();
if (activity == null) {
Slog.w(TAG_WM, "Attempted to remove non-App token: " + binder + " token=" + token);
return;
}
activity.onRemovedFromDisplay();
if (activity == mFixedRotationLaunchingApp) {
// Make sure the states of associated tokens are also cleared.
activity.finishFixedRotationTransform();
setFixedRotationLaunchingAppUnchecked(null);
}
}
@Override
public Display getDisplay() {
return mDisplay;
}
DisplayInfo getDisplayInfo() {
return mDisplayInfo;
}
DisplayMetrics getDisplayMetrics() {
return mDisplayMetrics;
}
DisplayPolicy getDisplayPolicy() {
return mDisplayPolicy;
}
@Override
public DisplayRotation getDisplayRotation() {
return mDisplayRotation;
}
void setInsetProvider(@InternalInsetsType int type, WindowContainer win,
@Nullable TriConsumer<DisplayFrames, WindowContainer, Rect> frameProvider) {
setInsetProvider(type, win, frameProvider, null /* imeFrameProvider */);
}
/**
* Marks a window as providing insets for the rest of the windows in the system.
*
* @param type The type of inset this window provides.
* @param win The window.
* @param frameProvider Function to compute the frame, or {@code null} if the just the frame of
* the window should be taken.
* @param imeFrameProvider Function to compute the frame when dispatching insets to the IME, or
* {@code null} if the normal frame should be taken.
*/
void setInsetProvider(@InternalInsetsType int type, WindowContainer win,
@Nullable TriConsumer<DisplayFrames, WindowContainer, Rect> frameProvider,
@Nullable TriConsumer<DisplayFrames, WindowContainer, Rect> imeFrameProvider) {
mInsetsStateController.getSourceProvider(type).setWindowContainer(win, frameProvider,
imeFrameProvider);
}
InsetsStateController getInsetsStateController() {
return mInsetsStateController;
}
InsetsPolicy getInsetsPolicy() {
return mInsetsPolicy;
}
@Rotation
int getRotation() {
return mDisplayRotation.getRotation();
}
@ScreenOrientation
int getLastOrientation() {
return mDisplayRotation.getLastOrientation();
}
void registerRemoteAnimations(RemoteAnimationDefinition definition) {
mAppTransitionController.registerRemoteAnimations(definition);
}
void reconfigureDisplayLocked() {
if (!isReady()) {
return;
}
configureDisplayPolicy();
setLayoutNeeded();
boolean configChanged = updateOrientation();
final Configuration currentDisplayConfig = getConfiguration();
mTmpConfiguration.setTo(currentDisplayConfig);
computeScreenConfiguration(mTmpConfiguration);
final int changes = currentDisplayConfig.diff(mTmpConfiguration);
configChanged |= changes != 0;
if (configChanged) {
mWaitingForConfig = true;
if (mTransitionController.isShellTransitionsEnabled()) {
requestChangeTransitionIfNeeded(changes, null /* displayChange */);
} else if (mLastHasContent) {
mWmService.startFreezingDisplay(0 /* exitAnim */, 0 /* enterAnim */, this);
}
sendNewConfiguration();
}
mWmService.mWindowPlacerLocked.performSurfacePlacement();
}
void sendNewConfiguration() {
if (!isReady()) {
return;
}
if (mDisplayRotation.isWaitingForRemoteRotation()) {
return;
}
final boolean configUpdated = updateDisplayOverrideConfigurationLocked();
if (configUpdated) {
return;
}
// The display configuration doesn't change. If there is a launching transformed app, that
// means its request to change display configuration has been discarded, then it should
// respect to the current configuration of display.
clearFixedRotationLaunchingApp();
// Something changed (E.g. device rotation), but no configuration update is needed.
// E.g. changing device rotation by 180 degrees. Go ahead and perform surface placement to
// unfreeze the display since we froze it when the rotation was updated in
// DisplayContent#updateRotationUnchecked.
if (mWaitingForConfig) {
mWaitingForConfig = false;
mWmService.mLastFinishedFreezeSource = "config-unchanged";
setLayoutNeeded();
mWmService.mWindowPlacerLocked.performSurfacePlacement();
}
}
@Override
boolean onDescendantOrientationChanged(WindowContainer requestingContainer) {
final Configuration config = updateOrientation(
requestingContainer, false /* forceUpdate */);
// If display rotation class tells us that it doesn't consider app requested orientation,
// this display won't rotate just because of an app changes its requested orientation. Thus
// it indicates that this display chooses not to handle this request.
final boolean handled = handlesOrientationChangeFromDescendant();
if (config == null) {
return handled;
}
if (handled && requestingContainer instanceof ActivityRecord) {
final ActivityRecord activityRecord = (ActivityRecord) requestingContainer;
final boolean kept = updateDisplayOverrideConfigurationLocked(config, activityRecord,
false /* deferResume */, null /* result */);
activityRecord.frozenBeforeDestroy = true;
if (!kept) {
mRootWindowContainer.resumeFocusedTasksTopActivities();
}
} else {
// We have a new configuration to push so we need to update ATMS for now.
// TODO: Clean up display configuration push between ATMS and WMS after unification.
updateDisplayOverrideConfigurationLocked(config, null /* starting */,
false /* deferResume */, null);
}
return handled;
}
@Override
boolean handlesOrientationChangeFromDescendant() {
return !getIgnoreOrientationRequest()
&& !getDisplayRotation().isFixedToUserRotation();
}
/**
* Determine the new desired orientation of this display.
*
* @see #getOrientation()
* @return {@code true} if the orientation is changed and the caller should call
* {@link #sendNewConfiguration} if the method returns {@code true}.
*/
boolean updateOrientation() {
return updateOrientation(false /* forceUpdate */);
}
/**
* Update orientation of the display, returning a non-null new Configuration if it has
* changed from the current orientation. If a non-null configuration is returned, someone must
* call {@link WindowManagerService#setNewDisplayOverrideConfiguration(Configuration,
* DisplayContent)} to tell the window manager it can unfreeze the screen. This will typically
* be done by calling {@link #sendNewConfiguration}.
*
* @param freezeDisplayWindow Freeze the app window if the orientation is changed.
* @param forceUpdate See {@link DisplayRotation#updateRotationUnchecked(boolean)}
*/
Configuration updateOrientation(WindowContainer<?> freezeDisplayWindow, boolean forceUpdate) {
if (!mDisplayReady) {
return null;
}
Configuration config = null;
if (updateOrientation(forceUpdate)) {
// If we changed the orientation but mOrientationChangeComplete is already true,
// we used seamless rotation, and we don't need to freeze the screen.
if (freezeDisplayWindow != null && !mWmService.mRoot.mOrientationChangeComplete) {
final ActivityRecord activity = freezeDisplayWindow.asActivityRecord();
if (activity != null && activity.mayFreezeScreenLocked()) {
activity.startFreezingScreen();
}
}
config = new Configuration();
computeScreenConfiguration(config);
} else if (!(mTransitionController.isCollecting(this)
// If waiting for a remote rotation, don't prematurely update configuration.
|| mDisplayRotation.isWaitingForRemoteRotation())) {
// No obvious action we need to take, but if our current state mismatches the
// activity manager's, update it, disregarding font scale, which should remain set
// to the value of the previous configuration.
// Here we're calling Configuration#unset() instead of setToDefaults() because we
// need to keep override configs clear of non-empty values (e.g. fontSize).
final Configuration currentConfig = getRequestedOverrideConfiguration();
mTmpConfiguration.unset();
mTmpConfiguration.updateFrom(currentConfig);
computeScreenConfiguration(mTmpConfiguration);
if (currentConfig.diff(mTmpConfiguration) != 0) {
mWaitingForConfig = true;
setLayoutNeeded();
mDisplayRotation.prepareNormalRotationAnimation();
config = new Configuration(mTmpConfiguration);
}
}
return config;
}
private int getMinimalTaskSizeDp() {
final Context displayConfigurationContext =
mAtmService.mContext.createConfigurationContext(getConfiguration());
final float minimalSize =
displayConfigurationContext.getResources().getDimension(
com.android.internal.R.dimen.default_minimal_size_resizable_task);
if (Double.compare(mDisplayMetrics.density, 0.0) == 0) {
throw new IllegalArgumentException("Display with ID=" + getDisplayId() + "has invalid "
+ "DisplayMetrics.density= 0.0");
}
return (int) (minimalSize / mDisplayMetrics.density);
}
private boolean updateOrientation(boolean forceUpdate) {
final int orientation = getOrientation();
// The last orientation source is valid only after getOrientation.
final WindowContainer orientationSource = getLastOrientationSource();
final ActivityRecord r =
orientationSource != null ? orientationSource.asActivityRecord() : null;
if (r != null) {
final Task task = r.getTask();
if (task != null && orientation != task.mLastReportedRequestedOrientation) {
task.mLastReportedRequestedOrientation = orientation;
mAtmService.getTaskChangeNotificationController()
.notifyTaskRequestedOrientationChanged(task.mTaskId, orientation);
}
// Currently there is no use case from non-activity.
if (handleTopActivityLaunchingInDifferentOrientation(r, true /* checkOpening */)) {
// Display orientation should be deferred until the top fixed rotation is finished.
return false;
}
}
return mDisplayRotation.updateOrientation(orientation, forceUpdate);
}
@Override
boolean isSyncFinished() {
// Do not consider children because if they are requested to be synced, they should be
// added to sync group explicitly.
return !mDisplayRotation.isWaitingForRemoteRotation();
}
/**
* Returns a valid rotation if the activity can use different orientation than the display.
* Otherwise {@link #ROTATION_UNDEFINED}.
*/
@Rotation
int rotationForActivityInDifferentOrientation(@NonNull ActivityRecord r) {
if (mTransitionController.useShellTransitionsRotation()) {
return ROTATION_UNDEFINED;
}
if (!WindowManagerService.ENABLE_FIXED_ROTATION_TRANSFORM) {
return ROTATION_UNDEFINED;
}
if (r.inMultiWindowMode() || r.getRequestedConfigurationOrientation(true /* forDisplay */)
== getConfiguration().orientation) {
return ROTATION_UNDEFINED;
}
final int currentRotation = getRotation();
final int rotation = mDisplayRotation.rotationForOrientation(r.getRequestedOrientation(),
currentRotation);
if (rotation == currentRotation) {
return ROTATION_UNDEFINED;
}
return rotation;
}
/**
* We need to keep display rotation fixed for a while when the activity in different orientation
* is launching until the launch animation is done to avoid showing the previous activity
* inadvertently in a wrong orientation.
*
* @param r The launching activity which may change display orientation.
* @param checkOpening Whether to check if the activity is animating by transition. Set to
* {@code true} if the caller is not sure whether the activity is launching.
* @return {@code true} if the fixed rotation is started.
*/
boolean handleTopActivityLaunchingInDifferentOrientation(@NonNull ActivityRecord r,
boolean checkOpening) {
if (!WindowManagerService.ENABLE_FIXED_ROTATION_TRANSFORM) {
return false;
}
if (r.isFinishingFixedRotationTransform()) {
return false;
}
if (r.hasFixedRotationTransform()) {
// It has been set and not yet finished.
return true;
}
if (!r.occludesParent() || r.isReportedDrawn()) {
// While entering or leaving a translucent or floating activity (e.g. dialog style),
// there is a visible activity in the background. Then it still needs rotation animation
// to cover the activity configuration change.
return false;
}
if (checkOpening) {
if (mTransitionController.isShellTransitionsEnabled()) {
if (!mTransitionController.isCollecting(r)) {
return false;
}
} else {
if (!mAppTransition.isTransitionSet() || !mOpeningApps.contains(r)) {
// Apply normal rotation animation in case of the activity set different
// requested orientation without activity switch, or the transition is unset due
// to starting window was transferred ({@link #mSkipAppTransitionAnimation}).
return false;
}
}
if (r.isState(RESUMED) && !r.getRootTask().mInResumeTopActivity) {
// If the activity is executing or has done the lifecycle callback, use normal
// rotation animation so the display info can be updated immediately (see
// updateDisplayAndOrientation). This prevents a compatibility issue such as
// calling setRequestedOrientation in Activity#onCreate and then get display info.
// If fixed rotation is applied, the display rotation will still be the old one,
// unless the client side gets the rotation again after the adjustments arrive.
return false;
}
} else if (r != topRunningActivity()) {
// If the transition has not started yet, the activity must be the top.
return false;
}
if (mLastWallpaperVisible && r.windowsCanBeWallpaperTarget()
&& mFixedRotationTransitionListener.mAnimatingRecents == null) {
// Use normal rotation animation for orientation change of visible wallpaper if recents
// animation is not running (it may be swiping to home).
return false;
}
final int rotation = rotationForActivityInDifferentOrientation(r);
if (rotation == ROTATION_UNDEFINED) {
// The display rotation won't be changed by current top activity. The client side
// adjustments of previous rotated activity should be cleared earlier. Otherwise if
// the current top is in the same process, it may get the rotated state. The transform
// will be cleared later with transition callback to ensure smooth animation.
return false;
}
if (!r.getDisplayArea().matchParentBounds()) {
// Because the fixed rotated configuration applies to activity directly, if its parent
// has it own policy for bounds, the activity bounds based on parent is unknown.
return false;
}
setFixedRotationLaunchingApp(r, rotation);
return true;
}
/** Returns {@code true} if the IME is possible to show on the launching activity. */
boolean mayImeShowOnLaunchingActivity(@NonNull ActivityRecord r) {
final WindowState win = r.findMainWindow();
if (win == null) {
return false;
}
// See InputMethodManagerService#shouldRestoreImeVisibility that we expecting the IME
// should be hidden when the window set the hidden softInputMode.
final int softInputMode = win.mAttrs.softInputMode;
switch (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) {
case SOFT_INPUT_STATE_ALWAYS_HIDDEN:
case SOFT_INPUT_STATE_HIDDEN:
return false;
}
return r.mLastImeShown;
}
/** Returns {@code true} if the top activity is transformed with the new rotation of display. */
boolean hasTopFixedRotationLaunchingApp() {
return mFixedRotationLaunchingApp != null
// Ignore animating recents because it hasn't really become the top.
&& mFixedRotationLaunchingApp != mFixedRotationTransitionListener.mAnimatingRecents;
}
boolean isFixedRotationLaunchingApp(ActivityRecord r) {
return mFixedRotationLaunchingApp == r;
}
@VisibleForTesting
@Nullable AsyncRotationController getAsyncRotationController() {
return mAsyncRotationController;
}
void setFixedRotationLaunchingAppUnchecked(@Nullable ActivityRecord r) {
setFixedRotationLaunchingAppUnchecked(r, ROTATION_UNDEFINED);
}
void setFixedRotationLaunchingAppUnchecked(@Nullable ActivityRecord r, int rotation) {
if (mFixedRotationLaunchingApp == null && r != null) {
mWmService.mDisplayNotificationController.dispatchFixedRotationStarted(this, rotation);
// Delay the hide animation to avoid blinking by clicking navigation bar that may
// toggle fixed rotation in a short time.
final boolean shouldDebounce = r == mFixedRotationTransitionListener.mAnimatingRecents
|| mTransitionController.isTransientLaunch(r);
startAsyncRotation(shouldDebounce);
} else if (mFixedRotationLaunchingApp != null && r == null) {
mWmService.mDisplayNotificationController.dispatchFixedRotationFinished(this);
// Keep async rotation controller if the next transition of display is requested.
if (!mTransitionController.isCollecting(this)) {
finishAsyncRotationIfPossible();
}
}
mFixedRotationLaunchingApp = r;
}
/**
* Sets the provided record to {@link #mFixedRotationLaunchingApp} if possible to apply fixed
* rotation transform to it and indicate that the display may be rotated after it is launched.
*/
void setFixedRotationLaunchingApp(@NonNull ActivityRecord r, @Rotation int rotation) {
final WindowToken prevRotatedLaunchingApp = mFixedRotationLaunchingApp;
if (prevRotatedLaunchingApp == r
&& r.getWindowConfiguration().getRotation() == rotation) {
// The given launching app and target rotation are the same as the existing ones.
return;
}
if (prevRotatedLaunchingApp != null
&& prevRotatedLaunchingApp.getWindowConfiguration().getRotation() == rotation
// It is animating so we can expect there will have a transition callback.
&& (prevRotatedLaunchingApp.isAnimating(TRANSITION | PARENTS)
|| mTransitionController.inTransition(prevRotatedLaunchingApp))) {
// It may be the case that multiple activities launch consecutively. Because their
// rotation are the same, the transformed state can be shared to avoid duplicating
// the heavy operations. This also benefits that the states of multiple activities
// are handled together.
r.linkFixedRotationTransform(prevRotatedLaunchingApp);
if (r != mFixedRotationTransitionListener.mAnimatingRecents) {
// Only update the record for normal activity so the display orientation can be
// updated when the transition is done if it becomes the top. And the case of
// recents can be handled when the recents animation is finished.
setFixedRotationLaunchingAppUnchecked(r, rotation);
}
return;
}
if (!r.hasFixedRotationTransform()) {
startFixedRotationTransform(r, rotation);
}
setFixedRotationLaunchingAppUnchecked(r, rotation);
if (prevRotatedLaunchingApp != null) {
prevRotatedLaunchingApp.finishFixedRotationTransform();
}
}
/**
* Continue updating the orientation change of display if it was deferred by a top activity
* launched in a different orientation.
*/
void continueUpdateOrientationForDiffOrienLaunchingApp() {
if (mFixedRotationLaunchingApp == null) {
return;
}
if (mPinnedTaskController.shouldDeferOrientationChange()) {
// Wait for the PiP animation to finish.
return;
}
// Update directly because the app which will change the orientation of display is ready.
if (mDisplayRotation.updateOrientation(getOrientation(), false /* forceUpdate */)) {
sendNewConfiguration();
return;
}
if (mDisplayRotation.isWaitingForRemoteRotation()) {
// There is pending rotation change to apply.
return;
}
// The orientation of display is not changed.
clearFixedRotationLaunchingApp();
}
/**
* Clears the {@link #mFixedRotationLaunchingApp} without applying rotation to display. It is
* used when the display won't rotate (e.g. the orientation from sensor has updated again before
* applying rotation to display) but the launching app has been transformed. So the record need
* to be cleared and restored to stop using seamless rotation and rotated configuration.
*/
private void clearFixedRotationLaunchingApp() {
if (mFixedRotationLaunchingApp == null) {
return;
}
mFixedRotationLaunchingApp.finishFixedRotationTransform();
setFixedRotationLaunchingAppUnchecked(null);
}
private void startFixedRotationTransform(WindowToken token, int rotation) {
mTmpConfiguration.unset();
final DisplayInfo info = computeScreenConfiguration(mTmpConfiguration, rotation);
final WmDisplayCutout cutout = calculateDisplayCutoutForRotation(rotation);
final RoundedCorners roundedCorners = calculateRoundedCornersForRotation(rotation);
final PrivacyIndicatorBounds indicatorBounds =
calculatePrivacyIndicatorBoundsForRotation(rotation);
final DisplayFrames displayFrames = new DisplayFrames(mDisplayId, new InsetsState(), info,
cutout, roundedCorners, indicatorBounds);
token.applyFixedRotationTransform(info, displayFrames, mTmpConfiguration);
}
/**
* If the provided {@link ActivityRecord} can be displayed in an orientation different from the
* display's, it will be rotated to match its requested orientation.
*
* @see #rotationForActivityInDifferentOrientation(ActivityRecord).
* @see WindowToken#applyFixedRotationTransform(DisplayInfo, DisplayFrames, Configuration)
*/
void rotateInDifferentOrientationIfNeeded(ActivityRecord activityRecord) {
int rotation = rotationForActivityInDifferentOrientation(activityRecord);
if (rotation != ROTATION_UNDEFINED) {
startFixedRotationTransform(activityRecord, rotation);
}
}
/** Returns {@code true} if the decided new rotation has not applied to configuration yet. */
private boolean isRotationChanging() {
return mDisplayRotation.getRotation() != getWindowConfiguration().getRotation();
}
private void startAsyncRotationIfNeeded() {
if (isRotationChanging()) {
startAsyncRotation(false /* shouldDebounce */);
}
}
/**
* Starts the hide animation for the windows which will be rotated seamlessly.
*
* @return {@code true} if the animation is executed right now.
*/
private boolean startAsyncRotation(boolean shouldDebounce) {
if (shouldDebounce) {
mWmService.mH.postDelayed(() -> {
synchronized (mWmService.mGlobalLock) {
if (mFixedRotationLaunchingApp != null
&& startAsyncRotation(false /* shouldDebounce */)) {
// Apply the transaction so the animation leash can take effect immediately.
getPendingTransaction().apply();
}
}
}, FIXED_ROTATION_HIDE_ANIMATION_DEBOUNCE_DELAY_MS);
return false;
}
if (mAsyncRotationController == null) {
mAsyncRotationController = new AsyncRotationController(this);
mAsyncRotationController.start();
return true;
}
return false;
}
/** Re-show the previously hidden windows if all seamless rotated windows are done. */
void finishAsyncRotationIfPossible() {
final AsyncRotationController controller = mAsyncRotationController;
if (controller != null && !mDisplayRotation.hasSeamlessRotatingWindow()) {
controller.completeAll();
mAsyncRotationController = null;
}
}
/** Shows the given window which may be hidden for screen rotation. */
void finishAsyncRotation(WindowToken windowToken) {
final AsyncRotationController controller = mAsyncRotationController;
if (controller != null && controller.completeRotation(windowToken)) {
mAsyncRotationController = null;
}
}
/** Returns {@code true} if the screen rotation animation needs to wait for the window. */
boolean shouldSyncRotationChange(WindowState w) {
final AsyncRotationController controller = mAsyncRotationController;
return controller == null || !controller.isAsync(w);
}
void notifyInsetsChanged(Consumer<WindowState> dispatchInsetsChanged) {
if (mFixedRotationLaunchingApp != null) {
// The insets state of fixed rotation app is a rotated copy. Make sure the visibilities
// of insets sources are consistent with the latest state.
final InsetsState rotatedState =
mFixedRotationLaunchingApp.getFixedRotationTransformInsetsState();
if (rotatedState != null) {
final InsetsState state = mInsetsStateController.getRawInsetsState();
for (int i = 0; i < InsetsState.SIZE; i++) {
final InsetsSource source = state.peekSource(i);
if (source != null) {
rotatedState.setSourceVisible(i, source.isVisible());
}
}
}
}
forAllWindows(dispatchInsetsChanged, true /* traverseTopToBottom */);
if (mRemoteInsetsControlTarget != null) {
mRemoteInsetsControlTarget.notifyInsetsChanged();
}
// In Accessibility side, we need to know what magnification mode is activated while IME
// is opened for logging metrics.
if (mWmService.mAccessibilityController.hasCallbacks()) {
final boolean isImeShow = mImeControlTarget != null
&& mImeControlTarget.getRequestedVisibility(ITYPE_IME);
mWmService.mAccessibilityController.updateImeVisibilityIfNeeded(mDisplayId, isImeShow);
}
}
/**
* Update rotation of the display.
*
* @return {@code true} if the rotation has been changed. In this case YOU MUST CALL
* {@link #sendNewConfiguration} TO UNFREEZE THE SCREEN unless using Shell transitions.
*/
boolean updateRotationUnchecked() {
return mDisplayRotation.updateRotationUnchecked(false /* forceUpdate */);
}
/**
* @see DisplayWindowPolicyController#canShowTasksInRecents()
*/
boolean canShowTasksInRecents() {
if (mDwpcHelper == null) {
return true;
}
return mDwpcHelper.canShowTasksInRecents();
}
/**
* Applies the rotation transaction. This must be called after {@link #updateRotationUnchecked}
* (if it returned {@code true}) to actually finish the rotation.
*
* @param oldRotation the rotation we are coming from.
* @param rotation the rotation to apply.
*/
private void applyRotation(final int oldRotation, final int rotation) {
mDisplayRotation.applyCurrentRotation(rotation);
final boolean shellTransitions = mTransitionController.getTransitionPlayer() != null;
final boolean rotateSeamlessly =
mDisplayRotation.isRotatingSeamlessly() && !shellTransitions;
final Transaction transaction =
shellTransitions ? getSyncTransaction() : getPendingTransaction();
ScreenRotationAnimation screenRotationAnimation = rotateSeamlessly
? null : getRotationAnimation();
// We need to update our screen size information to match the new rotation. If the rotation
// has actually changed then this method will return true and, according to the comment at
// the top of the method, the caller is obligated to call computeNewConfigurationLocked().
// By updating the Display info here it will be available to
// #computeScreenConfiguration() later.
updateDisplayAndOrientation(getConfiguration().uiMode, null /* outConfig */);
// NOTE: We disable the rotation in the emulator because
// it doesn't support hardware OpenGL emulation yet.
if (screenRotationAnimation != null && screenRotationAnimation.hasScreenshot()) {
screenRotationAnimation.setRotation(transaction, rotation);
}
if (!shellTransitions) {
forAllWindows(w -> {
w.seamlesslyRotateIfAllowed(transaction, oldRotation, rotation, rotateSeamlessly);
}, true /* traverseTopToBottom */);
mPinnedTaskController.startSeamlessRotationIfNeeded(transaction, oldRotation, rotation);
}
mWmService.mDisplayManagerInternal.performTraversal(transaction);
scheduleAnimation();
forAllWindows(w -> {
if (!w.mHasSurface) return;
if (!rotateSeamlessly) {
ProtoLog.v(WM_DEBUG_ORIENTATION, "Set mOrientationChanging of %s", w);
w.setOrientationChanging(true);
}
w.mReportOrientationChanged = true;
}, true /* traverseTopToBottom */);
for (int i = mWmService.mRotationWatchers.size() - 1; i >= 0; i--) {
final WindowManagerService.RotationWatcher rotationWatcher
= mWmService.mRotationWatchers.get(i);
if (rotationWatcher.mDisplayId == mDisplayId) {
try {
rotationWatcher.mWatcher.onRotationChanged(rotation);
} catch (RemoteException e) {
// Ignore
}
}
}
}
void configureDisplayPolicy() {
mRootWindowContainer.updateDisplayImePolicyCache();
mDisplayPolicy.updateConfigurationAndScreenSizeDependentBehaviors();
mDisplayRotation.configure(mBaseDisplayWidth, mBaseDisplayHeight);
}
/**
* Update {@link #mDisplayInfo} and other internal variables when display is rotated or config
* changed.
* Do not call if {@link WindowManagerService#mDisplayReady} == false.
*/
private DisplayInfo updateDisplayAndOrientation(int uiMode, Configuration outConfig) {
// Use the effective "visual" dimensions based on current rotation
final int rotation = getRotation();
final boolean rotated = (rotation == ROTATION_90 || rotation == ROTATION_270);
final int dw = rotated ? mBaseDisplayHeight : mBaseDisplayWidth;
final int dh = rotated ? mBaseDisplayWidth : mBaseDisplayHeight;
// Update application display metrics.
final WmDisplayCutout wmDisplayCutout = calculateDisplayCutoutForRotation(rotation);
final DisplayCutout displayCutout = wmDisplayCutout.getDisplayCutout();
final RoundedCorners roundedCorners = calculateRoundedCornersForRotation(rotation);
final int appWidth = mDisplayPolicy.getNonDecorDisplayWidth(dw, dh, rotation, uiMode,
displayCutout);
final int appHeight = mDisplayPolicy.getNonDecorDisplayHeight(dh, rotation,
displayCutout);
mDisplayInfo.rotation = rotation;
mDisplayInfo.logicalWidth = dw;
mDisplayInfo.logicalHeight = dh;
mDisplayInfo.logicalDensityDpi = mBaseDisplayDensity;
mDisplayInfo.physicalXDpi = mBaseDisplayPhysicalXDpi;
mDisplayInfo.physicalYDpi = mBaseDisplayPhysicalYDpi;
mDisplayInfo.appWidth = appWidth;
mDisplayInfo.appHeight = appHeight;
if (isDefaultDisplay) {
mDisplayInfo.getLogicalMetrics(mRealDisplayMetrics,
CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null);
}
mDisplayInfo.displayCutout = displayCutout.isEmpty() ? null : displayCutout;
mDisplayInfo.roundedCorners = roundedCorners;
mDisplayInfo.getAppMetrics(mDisplayMetrics);
if (mDisplayScalingDisabled) {
mDisplayInfo.flags |= Display.FLAG_SCALING_DISABLED;
} else {
mDisplayInfo.flags &= ~Display.FLAG_SCALING_DISABLED;
}
computeSizeRangesAndScreenLayout(mDisplayInfo, rotated, uiMode, dw, dh,
mDisplayMetrics.density, outConfig);
mWmService.mDisplayManagerInternal.setDisplayInfoOverrideFromWindowManager(mDisplayId,
mDisplayInfo);
if (isDefaultDisplay) {
mCompatibleScreenScale = CompatibilityInfo.computeCompatibleScaling(mDisplayMetrics,
mCompatDisplayMetrics);
}
onDisplayInfoChanged();
return mDisplayInfo;
}
WmDisplayCutout calculateDisplayCutoutForRotation(int rotation) {
return mDisplayCutoutCache.getOrCompute(
mIsSizeForced ? mBaseDisplayCutout : mInitialDisplayCutout, rotation);
}
static WmDisplayCutout calculateDisplayCutoutForRotationAndDisplaySizeUncached(
DisplayCutout cutout, int rotation, int displayWidth, int displayHeight) {
if (cutout == null || cutout == DisplayCutout.NO_CUTOUT) {
return WmDisplayCutout.NO_CUTOUT;
}
if (rotation == ROTATION_0) {
return WmDisplayCutout.computeSafeInsets(
cutout, displayWidth, displayHeight);
}
final DisplayCutout rotatedCutout =
cutout.getRotated(displayWidth, displayHeight, ROTATION_0, rotation);
final boolean rotated = (rotation == ROTATION_90 || rotation == ROTATION_270);
return new WmDisplayCutout(rotatedCutout, new Size(
rotated ? displayHeight : displayWidth,
rotated ? displayWidth : displayHeight));
}
private WmDisplayCutout calculateDisplayCutoutForRotationUncached(
DisplayCutout cutout, int rotation) {
return calculateDisplayCutoutForRotationAndDisplaySizeUncached(cutout, rotation,
mIsSizeForced ? mBaseDisplayWidth : mInitialDisplayWidth,
mIsSizeForced ? mBaseDisplayHeight : mInitialDisplayHeight);
}
RoundedCorners calculateRoundedCornersForRotation(int rotation) {
return mRoundedCornerCache.getOrCompute(
mIsSizeForced ? mBaseRoundedCorners : mInitialRoundedCorners, rotation);
}
private RoundedCorners calculateRoundedCornersForRotationUncached(
RoundedCorners roundedCorners, int rotation) {
if (roundedCorners == null || roundedCorners == RoundedCorners.NO_ROUNDED_CORNERS) {
return RoundedCorners.NO_ROUNDED_CORNERS;
}
if (rotation == ROTATION_0) {
return roundedCorners;
}
return roundedCorners.rotate(
rotation,
mIsSizeForced ? mBaseDisplayWidth : mInitialDisplayWidth,
mIsSizeForced ? mBaseDisplayHeight : mInitialDisplayHeight);
}
PrivacyIndicatorBounds calculatePrivacyIndicatorBoundsForRotation(int rotation) {
return mPrivacyIndicatorBoundsCache.getOrCompute(mCurrentPrivacyIndicatorBounds, rotation);
}
private PrivacyIndicatorBounds calculatePrivacyIndicatorBoundsForRotationUncached(
PrivacyIndicatorBounds bounds, int rotation) {
if (bounds == null) {
return new PrivacyIndicatorBounds(new Rect[4], rotation);
}
return bounds.rotate(rotation);
}
/**
* Compute display info and configuration according to the given rotation without changing
* current display.
*/
DisplayInfo computeScreenConfiguration(Configuration outConfig, int rotation) {
final boolean rotated = (rotation == ROTATION_90 || rotation == ROTATION_270);
final int dw = rotated ? mBaseDisplayHeight : mBaseDisplayWidth;
final int dh = rotated ? mBaseDisplayWidth : mBaseDisplayHeight;
outConfig.windowConfiguration.setMaxBounds(0, 0, dw, dh);
outConfig.windowConfiguration.setBounds(outConfig.windowConfiguration.getMaxBounds());
final int uiMode = getConfiguration().uiMode;
final DisplayCutout displayCutout =
calculateDisplayCutoutForRotation(rotation).getDisplayCutout();
computeScreenAppConfiguration(outConfig, dw, dh, rotation, uiMode, displayCutout);
final DisplayInfo displayInfo = new DisplayInfo(mDisplayInfo);
displayInfo.rotation = rotation;
displayInfo.logicalWidth = dw;
displayInfo.logicalHeight = dh;
final Rect appBounds = outConfig.windowConfiguration.getAppBounds();
displayInfo.appWidth = appBounds.width();
displayInfo.appHeight = appBounds.height();
displayInfo.displayCutout = displayCutout.isEmpty() ? null : displayCutout;
computeSizeRangesAndScreenLayout(displayInfo, rotated, uiMode, dw, dh,
mDisplayMetrics.density, outConfig);
return displayInfo;
}
/** Compute configuration related to application without changing current display. */
private void computeScreenAppConfiguration(Configuration outConfig, int dw, int dh,
int rotation, int uiMode, DisplayCutout displayCutout) {
final int appWidth = mDisplayPolicy.getNonDecorDisplayWidth(dw, dh, rotation, uiMode,
displayCutout);
final int appHeight = mDisplayPolicy.getNonDecorDisplayHeight(dh, rotation,
displayCutout);
mDisplayPolicy.getNonDecorInsetsLw(rotation, displayCutout, mTmpRect);
final int leftInset = mTmpRect.left;
final int topInset = mTmpRect.top;
// AppBounds at the root level should mirror the app screen size.
outConfig.windowConfiguration.setAppBounds(leftInset /* left */, topInset /* top */,
leftInset + appWidth /* right */, topInset + appHeight /* bottom */);
outConfig.windowConfiguration.setRotation(rotation);
outConfig.orientation = (dw <= dh) ? ORIENTATION_PORTRAIT : ORIENTATION_LANDSCAPE;
final float density = mDisplayMetrics.density;
outConfig.screenWidthDp = (int) (mDisplayPolicy.getConfigDisplayWidth(dw, dh, rotation,
uiMode, displayCutout) / density);
outConfig.screenHeightDp = (int) (mDisplayPolicy.getConfigDisplayHeight(dw, dh, rotation,
uiMode, displayCutout) / density);
outConfig.compatScreenWidthDp = (int) (outConfig.screenWidthDp / mCompatibleScreenScale);
outConfig.compatScreenHeightDp = (int) (outConfig.screenHeightDp / mCompatibleScreenScale);
final boolean rotated = (rotation == ROTATION_90 || rotation == ROTATION_270);
outConfig.compatSmallestScreenWidthDp = computeCompatSmallestWidth(rotated, uiMode, dw, dh);
outConfig.windowConfiguration.setDisplayRotation(rotation);
}
/**
* Compute display configuration based on display properties and policy settings.
* Do not call if mDisplayReady == false.
*/
void computeScreenConfiguration(Configuration config) {
final DisplayInfo displayInfo = updateDisplayAndOrientation(config.uiMode, config);
final int dw = displayInfo.logicalWidth;
final int dh = displayInfo.logicalHeight;
mTmpRect.set(0, 0, dw, dh);
config.windowConfiguration.setBounds(mTmpRect);
config.windowConfiguration.setMaxBounds(mTmpRect);
config.windowConfiguration.setWindowingMode(getWindowingMode());
config.windowConfiguration.setDisplayWindowingMode(getWindowingMode());
computeScreenAppConfiguration(config, dw, dh, displayInfo.rotation, config.uiMode,
displayInfo.displayCutout);
config.screenLayout = (config.screenLayout & ~Configuration.SCREENLAYOUT_ROUND_MASK)
| ((displayInfo.flags & Display.FLAG_ROUND) != 0
? Configuration.SCREENLAYOUT_ROUND_YES
: Configuration.SCREENLAYOUT_ROUND_NO);
config.densityDpi = displayInfo.logicalDensityDpi;
config.colorMode =
((displayInfo.isHdr() && mWmService.hasHdrSupport())
? Configuration.COLOR_MODE_HDR_YES
: Configuration.COLOR_MODE_HDR_NO)
| (displayInfo.isWideColorGamut() && mWmService.hasWideColorGamutSupport()
? Configuration.COLOR_MODE_WIDE_COLOR_GAMUT_YES
: Configuration.COLOR_MODE_WIDE_COLOR_GAMUT_NO);
// Update the configuration based on available input devices, lid switch,
// and platform configuration.
config.touchscreen = Configuration.TOUCHSCREEN_NOTOUCH;
config.keyboard = Configuration.KEYBOARD_NOKEYS;
config.navigation = Configuration.NAVIGATION_NONAV;
int keyboardPresence = 0;
int navigationPresence = 0;
final InputDevice[] devices = mWmService.mInputManager.getInputDevices();
final int len = devices != null ? devices.length : 0;
for (int i = 0; i < len; i++) {
InputDevice device = devices[i];
// Ignore virtual input device.
if (device.isVirtual()) {
continue;
}
// Check if input device can dispatch events to current display.
if (!mWmService.mInputManager.canDispatchToDisplay(device.getId(), mDisplayId)) {
continue;
}
final int sources = device.getSources();
final int presenceFlag = device.isExternal()
? WindowManagerPolicy.PRESENCE_EXTERNAL : WindowManagerPolicy.PRESENCE_INTERNAL;
if (mWmService.mIsTouchDevice) {
if ((sources & InputDevice.SOURCE_TOUCHSCREEN) == InputDevice.SOURCE_TOUCHSCREEN) {
config.touchscreen = Configuration.TOUCHSCREEN_FINGER;
}
} else {
config.touchscreen = Configuration.TOUCHSCREEN_NOTOUCH;
}
if ((sources & InputDevice.SOURCE_TRACKBALL) == InputDevice.SOURCE_TRACKBALL) {
config.navigation = Configuration.NAVIGATION_TRACKBALL;
navigationPresence |= presenceFlag;
} else if ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD
&& config.navigation == Configuration.NAVIGATION_NONAV) {
config.navigation = Configuration.NAVIGATION_DPAD;
navigationPresence |= presenceFlag;
}
if (device.getKeyboardType() == InputDevice.KEYBOARD_TYPE_ALPHABETIC) {
config.keyboard = Configuration.KEYBOARD_QWERTY;
keyboardPresence |= presenceFlag;
}
}
if (config.navigation == Configuration.NAVIGATION_NONAV && mWmService.mHasPermanentDpad) {
config.navigation = Configuration.NAVIGATION_DPAD;
navigationPresence |= WindowManagerPolicy.PRESENCE_INTERNAL;
}
// Determine whether a hard keyboard is available and enabled.
// TODO(multi-display): Should the hardware keyboard be tied to a display or to a device?
boolean hardKeyboardAvailable = config.keyboard != Configuration.KEYBOARD_NOKEYS;
if (hardKeyboardAvailable != mWmService.mHardKeyboardAvailable) {
mWmService.mHardKeyboardAvailable = hardKeyboardAvailable;
mWmService.mH.removeMessages(REPORT_HARD_KEYBOARD_STATUS_CHANGE);
mWmService.mH.sendEmptyMessage(REPORT_HARD_KEYBOARD_STATUS_CHANGE);
}
mDisplayPolicy.updateConfigurationAndScreenSizeDependentBehaviors();
// Let the policy update hidden states.
config.keyboardHidden = Configuration.KEYBOARDHIDDEN_NO;
config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_NO;
config.navigationHidden = Configuration.NAVIGATIONHIDDEN_NO;
mWmService.mPolicy.adjustConfigurationLw(config, keyboardPresence, navigationPresence);
}
private int computeCompatSmallestWidth(boolean rotated, int uiMode, int dw, int dh) {
mTmpDisplayMetrics.setTo(mDisplayMetrics);
final DisplayMetrics tmpDm = mTmpDisplayMetrics;
final int unrotDw, unrotDh;
if (rotated) {
unrotDw = dh;
unrotDh = dw;
} else {
unrotDw = dw;
unrotDh = dh;
}
int sw = reduceCompatConfigWidthSize(0, Surface.ROTATION_0, uiMode, tmpDm, unrotDw,
unrotDh);
sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_90, uiMode, tmpDm, unrotDh,
unrotDw);
sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_180, uiMode, tmpDm, unrotDw,
unrotDh);
sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_270, uiMode, tmpDm, unrotDh,
unrotDw);
return sw;
}
private int reduceCompatConfigWidthSize(int curSize, int rotation, int uiMode,
DisplayMetrics dm, int dw, int dh) {
final DisplayCutout displayCutout = calculateDisplayCutoutForRotation(
rotation).getDisplayCutout();
dm.noncompatWidthPixels = mDisplayPolicy.getNonDecorDisplayWidth(dw, dh, rotation, uiMode,
displayCutout);
dm.noncompatHeightPixels = mDisplayPolicy.getNonDecorDisplayHeight(dh, rotation,
displayCutout);
float scale = CompatibilityInfo.computeCompatibleScaling(dm, null);
int size = (int)(((dm.noncompatWidthPixels / scale) / dm.density) + .5f);
if (curSize == 0 || size < curSize) {
curSize = size;
}
return curSize;
}
private void computeSizeRangesAndScreenLayout(DisplayInfo displayInfo, boolean rotated,
int uiMode, int dw, int dh, float density, Configuration outConfig) {
// We need to determine the smallest width that will occur under normal
// operation. To this, start with the base screen size and compute the
// width under the different possible rotations. We need to un-rotate
// the current screen dimensions before doing this.
int unrotDw, unrotDh;
if (rotated) {
unrotDw = dh;
unrotDh = dw;
} else {
unrotDw = dw;
unrotDh = dh;
}
displayInfo.smallestNominalAppWidth = 1<<30;
displayInfo.smallestNominalAppHeight = 1<<30;
displayInfo.largestNominalAppWidth = 0;
displayInfo.largestNominalAppHeight = 0;
adjustDisplaySizeRanges(displayInfo, Surface.ROTATION_0, uiMode, unrotDw, unrotDh);
adjustDisplaySizeRanges(displayInfo, Surface.ROTATION_90, uiMode, unrotDh, unrotDw);
adjustDisplaySizeRanges(displayInfo, Surface.ROTATION_180, uiMode, unrotDw, unrotDh);
adjustDisplaySizeRanges(displayInfo, Surface.ROTATION_270, uiMode, unrotDh, unrotDw);
if (outConfig == null) {
return;
}
int sl = Configuration.resetScreenLayout(outConfig.screenLayout);
sl = reduceConfigLayout(sl, Surface.ROTATION_0, density, unrotDw, unrotDh, uiMode);
sl = reduceConfigLayout(sl, Surface.ROTATION_90, density, unrotDh, unrotDw, uiMode);
sl = reduceConfigLayout(sl, Surface.ROTATION_180, density, unrotDw, unrotDh, uiMode);
sl = reduceConfigLayout(sl, Surface.ROTATION_270, density, unrotDh, unrotDw, uiMode);
outConfig.smallestScreenWidthDp = (int)(displayInfo.smallestNominalAppWidth / density);
outConfig.screenLayout = sl;
}
private int reduceConfigLayout(int curLayout, int rotation, float density, int dw, int dh,
int uiMode) {
// Get the display cutout at this rotation.
final DisplayCutout displayCutout = calculateDisplayCutoutForRotation(
rotation).getDisplayCutout();
// Get the app screen size at this rotation.
int w = mDisplayPolicy.getNonDecorDisplayWidth(dw, dh, rotation, uiMode, displayCutout);
int h = mDisplayPolicy.getNonDecorDisplayHeight(dh, rotation, displayCutout);
// Compute the screen layout size class for this rotation.
int longSize = w;
int shortSize = h;
if (longSize < shortSize) {
int tmp = longSize;
longSize = shortSize;
shortSize = tmp;
}
longSize = (int)(longSize/density);
shortSize = (int)(shortSize/density);
return Configuration.reduceScreenLayout(curLayout, longSize, shortSize);
}
private void adjustDisplaySizeRanges(DisplayInfo displayInfo, int rotation,
int uiMode, int dw, int dh) {
final DisplayCutout displayCutout = calculateDisplayCutoutForRotation(
rotation).getDisplayCutout();
final int width = mDisplayPolicy.getConfigDisplayWidth(dw, dh, rotation, uiMode,
displayCutout);
if (width < displayInfo.smallestNominalAppWidth) {
displayInfo.smallestNominalAppWidth = width;
}
if (width > displayInfo.largestNominalAppWidth) {
displayInfo.largestNominalAppWidth = width;
}
final int height = mDisplayPolicy.getConfigDisplayHeight(dw, dh, rotation, uiMode,
displayCutout);
if (height < displayInfo.smallestNominalAppHeight) {
displayInfo.smallestNominalAppHeight = height;
}
if (height > displayInfo.largestNominalAppHeight) {
displayInfo.largestNominalAppHeight = height;
}
}
/**
* Apps that use the compact menu panel (as controlled by the panelMenuIsCompact
* theme attribute) on devices that feature a physical options menu key attempt to position
* their menu panel window along the edge of the screen nearest the physical menu key.
* This lowers the travel distance between invoking the menu panel and selecting
* a menu option.
*
* This method helps control where that menu is placed. Its current implementation makes
* assumptions about the menu key and its relationship to the screen based on whether
* the device's natural orientation is portrait (width < height) or landscape.
*
* The menu key is assumed to be located along the bottom edge of natural-portrait
* devices and along the right edge of natural-landscape devices. If these assumptions
* do not hold for the target device, this method should be changed to reflect that.
*
* @return A {@link Gravity} value for placing the options menu window.
*/
int getPreferredOptionsPanelGravity() {
final int rotation = getRotation();
if (mInitialDisplayWidth < mInitialDisplayHeight) {
// On devices with a natural orientation of portrait.
switch (rotation) {
default:
case Surface.ROTATION_0:
return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
case Surface.ROTATION_90:
return Gravity.RIGHT | Gravity.BOTTOM;
case Surface.ROTATION_180:
return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
case Surface.ROTATION_270:
return Gravity.START | Gravity.BOTTOM;
}
}
// On devices with a natural orientation of landscape.
switch (rotation) {
default:
case Surface.ROTATION_0:
return Gravity.RIGHT | Gravity.BOTTOM;
case Surface.ROTATION_90:
return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
case Surface.ROTATION_180:
return Gravity.START | Gravity.BOTTOM;
case Surface.ROTATION_270:
return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
}
}
DockedTaskDividerController getDockedDividerController() {
return mDividerControllerLocked;
}
PinnedTaskController getPinnedTaskController() {
return mPinnedTaskController;
}
/**
* Returns true if the specified UID has access to this display.
*/
boolean hasAccess(int uid) {
return mDisplay.hasAccess(uid);
}
boolean isPrivate() {
return (mDisplay.getFlags() & FLAG_PRIVATE) != 0;
}
boolean isTrusted() {
return mDisplay.isTrusted();
}
/**
* Returns the topmost root task on the display that is compatible with the input windowing
* mode and activity type. Null is no compatible root task on the display.
*/
@Nullable
Task getRootTask(int windowingMode, int activityType) {
return getItemFromTaskDisplayAreas(taskDisplayArea ->
taskDisplayArea.getRootTask(windowingMode, activityType));
}
@Nullable
Task getRootTask(int rootTaskId) {
return getRootTask(rootTask -> rootTask.getRootTaskId() == rootTaskId);
}
int getRootTaskCount() {
final int[] count = new int[1];
forAllRootTasks(task -> {
count[0]++;
});
return count[0];
}
@Nullable
Task getTopRootTask() {
return getRootTask(t -> true);
}
/**
* The value is only valid in the scope {@link #onRequestedOverrideConfigurationChanged} of the
* changing hierarchy and the {@link #onConfigurationChanged} of its children.
*
* @return The current changes ({@link android.content.pm.ActivityInfo.Config}) of requested
* override configuration.
*/
int getCurrentOverrideConfigurationChanges() {
return mCurrentOverrideConfigurationChanges;
}
@Override
public void onConfigurationChanged(Configuration newParentConfig) {
final int lastOrientation = getConfiguration().orientation;
super.onConfigurationChanged(newParentConfig);
if (mDisplayPolicy != null) {
mDisplayPolicy.onConfigurationChanged();
mPinnedTaskController.onPostDisplayConfigurationChanged();
}
// Update IME parent if needed.
updateImeParent();
// Update surface for MediaProjection, if this DisplayContent is being used for recording.
if (mContentRecorder != null) {
mContentRecorder.onConfigurationChanged(lastOrientation);
}
if (lastOrientation != getConfiguration().orientation) {
getMetricsLogger().write(
new LogMaker(MetricsEvent.ACTION_PHONE_ORIENTATION_CHANGED)
.setSubtype(getConfiguration().orientation)
.addTaggedData(MetricsEvent.FIELD_DISPLAY_ID, getDisplayId()));
}
}
@Override
boolean fillsParent() {
return true;
}
@Override
boolean isVisible() {
return true;
}
@Override
boolean isVisibleRequested() {
return isVisible() && !mRemoved && !mRemoving;
}
@Override
void onAppTransitionDone() {
super.onAppTransitionDone();
mWmService.mWindowsChanged = true;
// If the transition finished callback cannot match the token for some reason, make sure the
// rotated state is cleared if it is already invisible.
if (mFixedRotationLaunchingApp != null && !mFixedRotationLaunchingApp.mVisibleRequested
&& !mFixedRotationLaunchingApp.isVisible()
&& !mDisplayRotation.isRotatingSeamlessly()) {
clearFixedRotationLaunchingApp();
}
}
@Override
public void setWindowingMode(int windowingMode) {
// Intentionally call onRequestedOverrideConfigurationChanged() directly to change windowing
// mode and display windowing mode atomically.
mTmpConfiguration.setTo(getRequestedOverrideConfiguration());
mTmpConfiguration.windowConfiguration.setWindowingMode(windowingMode);
mTmpConfiguration.windowConfiguration.setDisplayWindowingMode(windowingMode);
onRequestedOverrideConfigurationChanged(mTmpConfiguration);
}
@Override
void setDisplayWindowingMode(int windowingMode) {
setWindowingMode(windowingMode);
}
/**
* See {@code WindowState#applyImeWindowsIfNeeded} for the details that we won't traverse the
* IME window in some cases.
*/
boolean forAllImeWindows(ToBooleanFunction<WindowState> callback, boolean traverseTopToBottom) {
return mImeWindowsContainer.forAllWindowForce(callback, traverseTopToBottom);
}
/**
* In the general case, the orientation is computed from the above app windows first. If none of
* the above app windows specify orientation, the orientation is computed from the child window
* container, e.g. {@link ActivityRecord#getOrientation(int)}.
*/
@ScreenOrientation
@Override
int getOrientation() {
mLastOrientationSource = null;
if (!handlesOrientationChangeFromDescendant()) {
// Return SCREEN_ORIENTATION_UNSPECIFIED so that Display respect sensor rotation
ProtoLog.v(WM_DEBUG_ORIENTATION,
"Display id=%d is ignoring all orientation requests, return %d",
mDisplayId, SCREEN_ORIENTATION_UNSPECIFIED);
return SCREEN_ORIENTATION_UNSPECIFIED;
}
if (mWmService.mDisplayFrozen) {
if (mWmService.mPolicy.isKeyguardLocked()) {
// Use the last orientation the while the display is frozen with the keyguard
// locked. This could be the keyguard forced orientation or from a SHOW_WHEN_LOCKED
// window. We don't want to check the show when locked window directly though as
// things aren't stable while the display is frozen, for example the window could be
// momentarily unavailable due to activity relaunch.
ProtoLog.v(WM_DEBUG_ORIENTATION,
"Display id=%d is frozen while keyguard locked, return %d",
mDisplayId, getLastOrientation());
return getLastOrientation();
}
}
final int orientation = super.getOrientation();
if (orientation == SCREEN_ORIENTATION_UNSET) {
// Return SCREEN_ORIENTATION_UNSPECIFIED so that Display respect sensor rotation
ProtoLog.v(WM_DEBUG_ORIENTATION,
"No app or window is requesting an orientation, return %d for display id=%d",
SCREEN_ORIENTATION_UNSPECIFIED, mDisplayId);
return SCREEN_ORIENTATION_UNSPECIFIED;
}
return orientation;
}
void updateDisplayInfo() {
// Check if display metrics changed and update base values if needed.
updateBaseDisplayMetricsIfNeeded();
mDisplay.getDisplayInfo(mDisplayInfo);
mDisplay.getMetrics(mDisplayMetrics);
onDisplayInfoChanged();
onDisplayChanged(this);
}
void updatePrivacyIndicatorBounds(Rect[] staticBounds) {
PrivacyIndicatorBounds oldBounds = mCurrentPrivacyIndicatorBounds;
mCurrentPrivacyIndicatorBounds =
mCurrentPrivacyIndicatorBounds.updateStaticBounds(staticBounds);
if (!Objects.equals(oldBounds, mCurrentPrivacyIndicatorBounds)) {
updateDisplayFrames(false /* insetsSourceMayChange */, true /* notifyInsetsChange */);
}
}
void onDisplayInfoChanged() {
updateDisplayFrames(LOCAL_LAYOUT, LOCAL_LAYOUT);
mMinSizeOfResizeableTaskDp = getMinimalTaskSizeDp();
mInputMonitor.layoutInputConsumers(mDisplayInfo.logicalWidth, mDisplayInfo.logicalHeight);
mDisplayPolicy.onDisplayInfoChanged(mDisplayInfo);
}
private void updateDisplayFrames(boolean insetsSourceMayChange, boolean notifyInsetsChange) {
if (mDisplayFrames.update(mDisplayInfo,
calculateDisplayCutoutForRotation(mDisplayInfo.rotation),
calculateRoundedCornersForRotation(mDisplayInfo.rotation),
calculatePrivacyIndicatorBoundsForRotation(mDisplayInfo.rotation))) {
if (insetsSourceMayChange) {
mDisplayPolicy.updateInsetsSourceFramesExceptIme(mDisplayFrames);
}
mInsetsStateController.onDisplayFramesUpdated(notifyInsetsChange);
}
}
@Override
void onDisplayChanged(DisplayContent dc) {
super.onDisplayChanged(dc);
updateSystemGestureExclusionLimit();
updateKeepClearAreas();
}
void updateSystemGestureExclusionLimit() {
mSystemGestureExclusionLimit = mWmService.mConstants.mSystemGestureExclusionLimitDp
* mDisplayMetrics.densityDpi / DENSITY_DEFAULT;
updateSystemGestureExclusion();
}
void initializeDisplayBaseInfo() {
final DisplayManagerInternal displayManagerInternal = mWmService.mDisplayManagerInternal;
if (displayManagerInternal != null) {
// Bootstrap the default logical display from the display manager.
final DisplayInfo newDisplayInfo = displayManagerInternal.getDisplayInfo(mDisplayId);
if (newDisplayInfo != null) {
mDisplayInfo.copyFrom(newDisplayInfo);
}
mDwpcHelper = new DisplayWindowPolicyControllerHelper(this);
}
updateBaseDisplayMetrics(mDisplayInfo.logicalWidth, mDisplayInfo.logicalHeight,
mDisplayInfo.logicalDensityDpi, mDisplayInfo.physicalXDpi,
mDisplayInfo.physicalYDpi);
mInitialDisplayWidth = mDisplayInfo.logicalWidth;
mInitialDisplayHeight = mDisplayInfo.logicalHeight;
mInitialDisplayDensity = mDisplayInfo.logicalDensityDpi;
mInitialPhysicalXDpi = mDisplayInfo.physicalXDpi;
mInitialPhysicalYDpi = mDisplayInfo.physicalYDpi;
mInitialDisplayCutout = mDisplayInfo.displayCutout;
mInitialRoundedCorners = mDisplayInfo.roundedCorners;
mCurrentPrivacyIndicatorBounds = new PrivacyIndicatorBounds(new Rect[4],
mDisplayInfo.rotation);
final Display.Mode maxDisplayMode =
DisplayUtils.getMaximumResolutionDisplayMode(mDisplayInfo.supportedModes);
mPhysicalDisplaySize = new Point(
maxDisplayMode == null ? mInitialDisplayWidth : maxDisplayMode.getPhysicalWidth(),
maxDisplayMode == null ? mInitialDisplayHeight : maxDisplayMode.getPhysicalHeight()
);
}
/**
* If display metrics changed, overrides are not set and it's not just a rotation - update base
* values.
*/
private void updateBaseDisplayMetricsIfNeeded() {
// Get real display metrics without overrides from WM.
mWmService.mDisplayManagerInternal.getNonOverrideDisplayInfo(mDisplayId, mDisplayInfo);
final int orientation = mDisplayInfo.rotation;
final boolean rotated = (orientation == ROTATION_90 || orientation == ROTATION_270);
final int newWidth = rotated ? mDisplayInfo.logicalHeight : mDisplayInfo.logicalWidth;
final int newHeight = rotated ? mDisplayInfo.logicalWidth : mDisplayInfo.logicalHeight;
final int newDensity = mDisplayInfo.logicalDensityDpi;
final float newXDpi = mDisplayInfo.physicalXDpi;
final float newYDpi = mDisplayInfo.physicalYDpi;
final DisplayCutout newCutout = mIgnoreDisplayCutout
? DisplayCutout.NO_CUTOUT : mDisplayInfo.displayCutout;
final String newUniqueId = mDisplayInfo.uniqueId;
final RoundedCorners newRoundedCorners = mDisplayInfo.roundedCorners;
final boolean displayMetricsChanged = mInitialDisplayWidth != newWidth
|| mInitialDisplayHeight != newHeight
|| mInitialDisplayDensity != newDensity
|| mInitialPhysicalXDpi != newXDpi
|| mInitialPhysicalYDpi != newYDpi
|| !Objects.equals(mInitialDisplayCutout, newCutout)
|| !Objects.equals(mInitialRoundedCorners, newRoundedCorners);
final boolean physicalDisplayChanged = !newUniqueId.equals(mCurrentUniqueDisplayId);
if (displayMetricsChanged || physicalDisplayChanged) {
if (physicalDisplayChanged) {
// Reapply the window settings as the underlying physical display has changed.
// Do not include rotation settings here, postpone them until the display
// metrics are updated as rotation settings might depend on them
mWmService.mDisplayWindowSettings.applySettingsToDisplayLocked(this,
/* includeRotationSettings */ false);
mDisplaySwitchTransitionLauncher.requestDisplaySwitchTransitionIfNeeded(mDisplayId,
mInitialDisplayWidth, mInitialDisplayHeight, newWidth, newHeight);
}
// If there is an override set for base values - use it, otherwise use new values.
updateBaseDisplayMetrics(mIsSizeForced ? mBaseDisplayWidth : newWidth,
mIsSizeForced ? mBaseDisplayHeight : newHeight,
mIsDensityForced ? mBaseDisplayDensity : newDensity,
mIsSizeForced ? mBaseDisplayPhysicalXDpi : newXDpi,
mIsSizeForced ? mBaseDisplayPhysicalYDpi : newYDpi);
configureDisplayPolicy();
if (physicalDisplayChanged) {
// Reapply the rotation window settings, we are doing this after updating
// the screen size and configuring display policy as the rotation depends
// on the display size
mWmService.mDisplayWindowSettings.applyRotationSettingsToDisplayLocked(this);
}
// Real display metrics changed, so we should also update initial values.
mInitialDisplayWidth = newWidth;
mInitialDisplayHeight = newHeight;
mInitialDisplayDensity = newDensity;
mInitialPhysicalXDpi = newXDpi;
mInitialPhysicalYDpi = newYDpi;
mInitialDisplayCutout = newCutout;
mInitialRoundedCorners = newRoundedCorners;
mCurrentUniqueDisplayId = newUniqueId;
reconfigureDisplayLocked();
if (physicalDisplayChanged) {
mDisplaySwitchTransitionLauncher.onDisplayUpdated();
}
}
}
/** Sets the maximum width the screen resolution can be */
void setMaxUiWidth(int width) {
if (DEBUG_DISPLAY) {
Slog.v(TAG_WM, "Setting max ui width:" + width + " on display:" + getDisplayId());
}
mMaxUiWidth = width;
// Update existing metrics.
updateBaseDisplayMetrics(mBaseDisplayWidth, mBaseDisplayHeight, mBaseDisplayDensity,
mBaseDisplayPhysicalXDpi, mBaseDisplayPhysicalYDpi);
}
/** Update base (override) display metrics. */
void updateBaseDisplayMetrics(int baseWidth, int baseHeight, int baseDensity, float baseXDpi,
float baseYDpi) {
mBaseDisplayWidth = baseWidth;
mBaseDisplayHeight = baseHeight;
mBaseDisplayDensity = baseDensity;
mBaseDisplayPhysicalXDpi = baseXDpi;
mBaseDisplayPhysicalYDpi = baseYDpi;
if (mIsSizeForced) {
mBaseDisplayCutout = loadDisplayCutout(baseWidth, baseHeight);
mBaseRoundedCorners = loadRoundedCorners(baseWidth, baseHeight);
}
if (mMaxUiWidth > 0 && mBaseDisplayWidth > mMaxUiWidth) {
final float ratio = mMaxUiWidth / (float) mBaseDisplayWidth;
mBaseDisplayHeight = (int) (mBaseDisplayHeight * ratio);
mBaseDisplayWidth = mMaxUiWidth;
mBaseDisplayPhysicalXDpi = mBaseDisplayPhysicalXDpi * ratio;
mBaseDisplayPhysicalYDpi = mBaseDisplayPhysicalYDpi * ratio;
if (!mIsDensityForced) {
// Update the density proportionally so the size of the UI elements won't change
// from the user's perspective.
mBaseDisplayDensity = (int) (mBaseDisplayDensity * ratio);
}
if (DEBUG_DISPLAY) {
Slog.v(TAG_WM, "Applying config restraints:" + mBaseDisplayWidth + "x"
+ mBaseDisplayHeight + " on display:" + getDisplayId());
}
}
}
/**
* Forces this display to use the specified density.
*
* @param density The density in DPI to use. If the value equals to initial density, the setting
* will be cleared.
* @param userId The target user to apply. Only meaningful when this is default display. If the
* user id is {@link UserHandle#USER_CURRENT}, it means to apply current settings
* so only need to configure display.
*/
void setForcedDensity(int density, int userId) {
mIsDensityForced = density != mInitialDisplayDensity;
final boolean updateCurrent = userId == UserHandle.USER_CURRENT;
if (mWmService.mCurrentUserId == userId || updateCurrent) {
mBaseDisplayDensity = density;
reconfigureDisplayLocked();
}
if (updateCurrent) {
// We are applying existing settings so no need to save it again.
return;
}
if (density == mInitialDisplayDensity) {
density = 0;
}
mWmService.mDisplayWindowSettings.setForcedDensity(this, density, userId);
}
/** @param mode {@link #FORCE_SCALING_MODE_AUTO} or {@link #FORCE_SCALING_MODE_DISABLED}. */
void setForcedScalingMode(@ForceScalingMode int mode) {
if (mode != FORCE_SCALING_MODE_DISABLED) {
mode = FORCE_SCALING_MODE_AUTO;
}
mDisplayScalingDisabled = (mode != FORCE_SCALING_MODE_AUTO);
Slog.i(TAG_WM, "Using display scaling mode: " + (mDisplayScalingDisabled ? "off" : "auto"));
reconfigureDisplayLocked();
mWmService.mDisplayWindowSettings.setForcedScalingMode(this, mode);
}
/** If the given width and height equal to initial size, the setting will be cleared. */
void setForcedSize(int width, int height) {
// Can't force size higher than the maximal allowed
if (mMaxUiWidth > 0 && width > mMaxUiWidth) {
final float ratio = mMaxUiWidth / (float) width;
height = (int) (height * ratio);
width = mMaxUiWidth;
}
mIsSizeForced = mInitialDisplayWidth != width || mInitialDisplayHeight != height;
if (mIsSizeForced) {
// Set some sort of reasonable bounds on the size of the display that we will try
// to emulate.
final int minSize = 200;
final int maxScale = 2;
width = Math.min(Math.max(width, minSize), mInitialDisplayWidth * maxScale);
height = Math.min(Math.max(height, minSize), mInitialDisplayHeight * maxScale);
}
Slog.i(TAG_WM, "Using new display size: " + width + "x" + height);
updateBaseDisplayMetrics(width, height, mBaseDisplayDensity, mBaseDisplayPhysicalXDpi,
mBaseDisplayPhysicalYDpi);
reconfigureDisplayLocked();
if (!mIsSizeForced) {
width = height = 0;
}
mWmService.mDisplayWindowSettings.setForcedSize(this, width, height);
}
DisplayCutout loadDisplayCutout(int displayWidth, int displayHeight) {
if (mDisplayPolicy == null || mInitialDisplayCutout == null) {
return null;
}
return DisplayCutout.fromResourcesRectApproximation(
mDisplayPolicy.getSystemUiContext().getResources(), mDisplayInfo.uniqueId,
mPhysicalDisplaySize.x, mPhysicalDisplaySize.y, displayWidth, displayHeight);
}
RoundedCorners loadRoundedCorners(int displayWidth, int displayHeight) {
if (mDisplayPolicy == null || mInitialRoundedCorners == null) {
return null;
}
return RoundedCorners.fromResources(
mDisplayPolicy.getSystemUiContext().getResources(), mDisplayInfo.uniqueId,
mPhysicalDisplaySize.x, mPhysicalDisplaySize.y, displayWidth, displayHeight);
}
@Override
void getStableRect(Rect out) {
final InsetsState state = mDisplayContent.getInsetsStateController().getRawInsetsState();
out.set(state.getDisplayFrame());
out.inset(state.calculateInsets(out, systemBars(), true /* ignoreVisibility */));
}
/**
* Get the default display area on the display dedicated to app windows. This one should be used
* only as a fallback location for activity launches when no target display area is specified,
* or for cases when multi-instance is not supported yet (like Split-screen, PiP or Recents).
*/
TaskDisplayArea getDefaultTaskDisplayArea() {
return mDisplayAreaPolicy.getDefaultTaskDisplayArea();
}
/**
* Checks for all non-organized {@link DisplayArea}s for if there is any existing organizer for
* their features. If so, registers them with the matched organizer.
*/
@VisibleForTesting
void updateDisplayAreaOrganizers() {
if (!isTrusted()) {
// No need to update for untrusted display.
return;
}
forAllDisplayAreas(displayArea -> {
if (displayArea.isOrganized()) {
return;
}
// Check if we have a registered organizer for the DA feature.
final IDisplayAreaOrganizer organizer =
mAtmService.mWindowOrganizerController.mDisplayAreaOrganizerController
.getOrganizerByFeature(displayArea.mFeatureId);
if (organizer != null) {
displayArea.setOrganizer(organizer);
}
});
}
/**
* Returns true if the input point is within an app window.
*/
boolean pointWithinAppWindow(int x, int y) {
final int[] targetWindowType = {-1};
final PooledConsumer fn = PooledLambda.obtainConsumer((w, nonArg) -> {
if (targetWindowType[0] != -1) {
return;
}
if (w.isOnScreen() && w.isVisible() && w.getFrame().contains(x, y)) {
targetWindowType[0] = w.mAttrs.type;
return;
}
}, PooledLambda.__(WindowState.class), mTmpRect);
forAllWindows(fn, true /* traverseTopToBottom */);
fn.recycle();
return FIRST_APPLICATION_WINDOW <= targetWindowType[0]
&& targetWindowType[0] <= LAST_APPLICATION_WINDOW;
}
/**
* Find the task whose outside touch area (for resizing) (x, y) falls within.
* Returns null if the touch doesn't fall into a resizing area.
*/
@Nullable
Task findTaskForResizePoint(int x, int y) {
final int delta = dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics);
return getItemFromTaskDisplayAreas(taskDisplayArea ->
mTmpTaskForResizePointSearchResult.process(taskDisplayArea, x, y, delta));
}
void updateTouchExcludeRegion() {
final Task focusedTask = (mFocusedApp != null ? mFocusedApp.getTask() : null);
if (focusedTask == null) {
mTouchExcludeRegion.setEmpty();
} else {
mTouchExcludeRegion.set(0, 0, mDisplayInfo.logicalWidth, mDisplayInfo.logicalHeight);
final int delta = dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics);
mTmpRect.setEmpty();
mTmpRect2.setEmpty();
final PooledConsumer c = PooledLambda.obtainConsumer(
DisplayContent::processTaskForTouchExcludeRegion, this,
PooledLambda.__(Task.class), focusedTask, delta);
forAllTasks(c);
c.recycle();
// If we removed the focused task above, add it back and only leave its
// outside touch area in the exclusion. TapDetector is not interested in
// any touch inside the focused task itself.
if (!mTmpRect2.isEmpty()) {
mTouchExcludeRegion.op(mTmpRect2, Region.Op.UNION);
}
}
if (mInputMethodWindow != null && mInputMethodWindow.isVisible()) {
// If the input method is visible and the user is typing, we don't want these touch
// events to be intercepted and used to change focus. This would likely cause a
// disappearance of the input method.
mInputMethodWindow.getTouchableRegion(mTmpRegion);
mTouchExcludeRegion.op(mTmpRegion, Op.UNION);
}
for (int i = mTapExcludedWindows.size() - 1; i >= 0; i--) {
final WindowState win = mTapExcludedWindows.get(i);
if (!win.isVisible()) {
continue;
}
win.getTouchableRegion(mTmpRegion);
mTouchExcludeRegion.op(mTmpRegion, Region.Op.UNION);
}
amendWindowTapExcludeRegion(mTouchExcludeRegion);
mTapDetector.setTouchExcludeRegion(mTouchExcludeRegion);
}
private void processTaskForTouchExcludeRegion(Task task, Task focusedTask, int delta) {
final ActivityRecord topVisibleActivity = task.getTopVisibleActivity();
if (topVisibleActivity == null || !topVisibleActivity.hasContentToDisplay()) {
return;
}
// Exclusion region is the region that TapDetector doesn't care about.
// Here we want to remove all non-focused tasks from the exclusion region.
// We also remove the outside touch area for resizing for all freeform
// tasks (including the focused).
// We save the focused task region once we find it, and add it back at the end.
// If the task is root home task and it is resizable and visible (top of its root task),
// we want to exclude the root docked task from touch so we need the entire screen area
// and not just a small portion which the root home task currently is resized to.
if (task.isActivityTypeHome() && task.isVisible() && task.isResizeable()) {
task.getDisplayArea().getBounds(mTmpRect);
} else {
task.getDimBounds(mTmpRect);
}
if (task == focusedTask) {
// Add the focused task rect back into the exclude region once we are done
// processing root tasks.
// NOTE: this *looks* like a no-op, but this usage of mTmpRect2 is expected by
// updateTouchExcludeRegion.
mTmpRect2.set(mTmpRect);
}
final boolean isFreeformed = task.inFreeformWindowingMode();
if (task != focusedTask || isFreeformed) {
if (isFreeformed) {
// If the task is freeformed, enlarge the area to account for outside
// touch area for resize.
mTmpRect.inset(-delta, -delta);
// Intersect with display content frame. If we have system decor (status bar/
// navigation bar), we want to exclude that from the tap detection.
// Otherwise, if the app is partially placed under some system button (eg.
// Recents, Home), pressing that button would cause a full series of
// unwanted transfer focus/resume/pause, before we could go home.
mTmpRect.inset(getInsetsStateController().getRawInsetsState().calculateInsets(
mTmpRect, systemBars() | ime(), false /* ignoreVisibility */));
}
mTouchExcludeRegion.op(mTmpRect, Region.Op.DIFFERENCE);
}
}
/**
* Union the region with all the tap exclude region provided by windows on this display.
*
* @param inOutRegion The region to be amended.
*/
private void amendWindowTapExcludeRegion(Region inOutRegion) {
final Region region = Region.obtain();
for (int i = mTapExcludeProvidingWindows.size() - 1; i >= 0; i--) {
final WindowState win = mTapExcludeProvidingWindows.valueAt(i);
win.getTapExcludeRegion(region);
inOutRegion.op(region, Op.UNION);
}
region.recycle();
}
@Override
void switchUser(int userId) {
super.switchUser(userId);
mWmService.mWindowsChanged = true;
mDisplayPolicy.switchUser();
}
private boolean shouldDeferRemoval() {
return isAnimating(TRANSITION | PARENTS)
// isAnimating is a legacy transition query and will be removed, so also add a
// check for whether this is in a shell-transition when not using legacy.
|| mTransitionController.isTransitionOnDisplay(this);
}
@Override
void removeIfPossible() {
if (shouldDeferRemoval()) {
mDeferredRemoval = true;
return;
}
removeImmediately();
}
@Override
void removeImmediately() {
mDeferredRemoval = false;
try {
// Clear all transitions & screen frozen states when removing display.
mOpeningApps.clear();
mClosingApps.clear();
mChangingContainers.clear();
mUnknownAppVisibilityController.clear();
mAppTransition.removeAppTransitionTimeoutCallbacks();
mTransitionController.unregisterLegacyListener(mFixedRotationTransitionListener);
handleAnimatingStoppedAndTransition();
mWmService.stopFreezingDisplayLocked();
mDisplaySwitchTransitionLauncher.destroy();
super.removeImmediately();
if (DEBUG_DISPLAY) Slog.v(TAG_WM, "Removing display=" + this);
mPointerEventDispatcher.dispose();
setRotationAnimation(null);
mWmService.mAnimator.removeDisplayLocked(mDisplayId);
mOverlayLayer.release();
mInputMonitor.onDisplayRemoved();
mWmService.mDisplayNotificationController.dispatchDisplayRemoved(this);
mWmService.mAccessibilityController.onDisplayRemoved(mDisplayId);
mRootWindowContainer.mTaskSupervisor
.getKeyguardController().onDisplayRemoved(mDisplayId);
} finally {
mDisplayReady = false;
}
// Apply the pending transaction here since we may not be able to reach the DisplayContent
// on the next traversal if it's removed from RootWindowContainer child list.
getPendingTransaction().apply();
mWmService.mWindowPlacerLocked.requestTraversal();
}
/** Returns true if a removal action is still being deferred. */
@Override
boolean handleCompleteDeferredRemoval() {
final boolean stillDeferringRemoval =
super.handleCompleteDeferredRemoval() || shouldDeferRemoval();
if (!stillDeferringRemoval && mDeferredRemoval) {
removeImmediately();
return false;
}
return stillDeferringRemoval;
}
void adjustForImeIfNeeded() {
final WindowState imeWin = mInputMethodWindow;
final boolean imeVisible = imeWin != null && imeWin.isVisible()
&& imeWin.isDisplayed();
final int imeHeight = getInputMethodWindowVisibleHeight();
mPinnedTaskController.setAdjustedForIme(imeVisible, imeHeight);
}
int getInputMethodWindowVisibleHeight() {
final InsetsState state = getInsetsStateController().getRawInsetsState();
final InsetsSource imeSource = state.peekSource(ITYPE_IME);
if (imeSource == null || !imeSource.isVisible()) {
return 0;
}
final Rect imeFrame = imeSource.getVisibleFrame() != null
? imeSource.getVisibleFrame() : imeSource.getFrame();
final Rect dockFrame = mTmpRect;
dockFrame.set(state.getDisplayFrame());
dockFrame.inset(state.calculateInsets(dockFrame, systemBars() | displayCutout(),
false /* ignoreVisibility */));
return dockFrame.bottom - imeFrame.top;
}
void rotateBounds(@Rotation int oldRotation, @Rotation int newRotation, Rect inOutBounds) {
// Get display bounds on oldRotation as parent bounds for the rotation.
getBounds(mTmpRect, oldRotation);
RotationUtils.rotateBounds(inOutBounds, mTmpRect, oldRotation, newRotation);
}
public void setRotationAnimation(ScreenRotationAnimation screenRotationAnimation) {
if (mScreenRotationAnimation != null) {
mScreenRotationAnimation.kill();
}
mScreenRotationAnimation = screenRotationAnimation;
// Hide the windows which are not significant in rotation animation. So that the windows
// don't need to block the unfreeze time.
if (screenRotationAnimation != null && screenRotationAnimation.hasScreenshot()) {
startAsyncRotationIfNeeded();
}
}
public ScreenRotationAnimation getRotationAnimation() {
return mScreenRotationAnimation;
}
/**
* Requests to start a transition for the display configuration change. The given changes must
* be non-zero. This method is no-op if the display has been collected.
*/
void requestChangeTransitionIfNeeded(@ActivityInfo.Config int changes,
@Nullable TransitionRequestInfo.DisplayChange displayChange) {
if (!mLastHasContent) return;
final TransitionController controller = mTransitionController;
if (controller.isCollecting()) {
if (displayChange != null) {
throw new IllegalArgumentException("Provided displayChange for non-new transition");
}
if (!controller.isCollecting(this)) {
controller.collect(this);
startAsyncRotationIfNeeded();
}
return;
}
final Transition t = controller.requestTransitionIfNeeded(TRANSIT_CHANGE, 0 /* flags */,
this, this, null /* remoteTransition */, displayChange);
if (t != null) {
mAtmService.startLaunchPowerMode(POWER_MODE_REASON_CHANGE_DISPLAY);
if (mFixedRotationLaunchingApp != null) {
// A fixed-rotation transition is done, then continue to start a seamless display
// transition. And be fore the start transaction is applied, the non-app windows
// need to keep in previous rotation to avoid showing inconsistent content.
t.setSeamlessRotation(this);
if (mAsyncRotationController != null) {
mAsyncRotationController.keepAppearanceInPreviousRotation();
}
} else if (isRotationChanging()) {
mWmService.mLatencyTracker.onActionStart(ACTION_ROTATE_SCREEN);
controller.mTransitionMetricsReporter.associate(t,
startTime -> mWmService.mLatencyTracker.onActionEnd(ACTION_ROTATE_SCREEN));
startAsyncRotation(false /* shouldDebounce */);
}
t.setKnownConfigChanges(this, changes);
}
}
/** If the display is in transition, there should be a screenshot covering it. */
@Override
boolean inTransition() {
return mScreenRotationAnimation != null || super.inTransition();
}
@Override
public void dumpDebug(ProtoOutputStream proto, long fieldId,
@WindowTraceLogLevel int logLevel) {
// Critical log level logs only visible elements to mitigate performance overheard
if (logLevel == WindowTraceLogLevel.CRITICAL && !isVisible()) {
return;
}
final long token = proto.start(fieldId);
super.dumpDebug(proto, ROOT_DISPLAY_AREA, logLevel);
proto.write(ID, mDisplayId);
proto.write(DPI, mBaseDisplayDensity);
mDisplayInfo.dumpDebug(proto, DISPLAY_INFO);
mDisplayRotation.dumpDebug(proto, DISPLAY_ROTATION);
final ScreenRotationAnimation screenRotationAnimation = getRotationAnimation();
if (screenRotationAnimation != null) {
screenRotationAnimation.dumpDebug(proto, SCREEN_ROTATION_ANIMATION);
}
mDisplayFrames.dumpDebug(proto, DISPLAY_FRAMES);
proto.write(MIN_SIZE_OF_RESIZEABLE_TASK_DP, mMinSizeOfResizeableTaskDp);
if (mTransitionController.isShellTransitionsEnabled()) {
mTransitionController.dumpDebugLegacy(proto, APP_TRANSITION);
} else {
mAppTransition.dumpDebug(proto, APP_TRANSITION);
}
if (mFocusedApp != null) {
mFocusedApp.writeNameToProto(proto, FOCUSED_APP);
}
for (int i = mOpeningApps.size() - 1; i >= 0; i--) {
mOpeningApps.valueAt(i).writeIdentifierToProto(proto, OPENING_APPS);
}
for (int i = mClosingApps.size() - 1; i >= 0; i--) {
mClosingApps.valueAt(i).writeIdentifierToProto(proto, CLOSING_APPS);
}
final Task focusedRootTask = getFocusedRootTask();
if (focusedRootTask != null) {
proto.write(FOCUSED_ROOT_TASK_ID, focusedRootTask.getRootTaskId());
final ActivityRecord focusedActivity = focusedRootTask.getDisplayArea()
.getFocusedActivity();
if (focusedActivity != null) {
focusedActivity.writeIdentifierToProto(proto, RESUMED_ACTIVITY);
}
} else {
proto.write(FOCUSED_ROOT_TASK_ID, INVALID_TASK_ID);
}
proto.write(DISPLAY_READY, isReady());
proto.write(IS_SLEEPING, isSleeping());
for (int i = 0; i < mAllSleepTokens.size(); ++i) {
mAllSleepTokens.get(i).writeTagToProto(proto, SLEEP_TOKENS);
}
if (mImeLayeringTarget != null) {
mImeLayeringTarget.dumpDebug(proto, INPUT_METHOD_TARGET, logLevel);
}
if (mImeInputTarget != null) {
mImeInputTarget.dumpProto(proto, INPUT_METHOD_INPUT_TARGET, logLevel);
}
if (mImeControlTarget != null
&& mImeControlTarget.getWindow() != null) {
mImeControlTarget.getWindow().dumpDebug(proto, INPUT_METHOD_CONTROL_TARGET,
logLevel);
}
if (mCurrentFocus != null) {
mCurrentFocus.dumpDebug(proto, CURRENT_FOCUS, logLevel);
}
if (mInsetsStateController != null) {
for (@InternalInsetsType int type = 0; type < InsetsState.SIZE; type++) {
final WindowContainerInsetsSourceProvider provider = mInsetsStateController
.peekSourceProvider(type);
if (provider != null) {
provider.dumpDebug(proto, type == ITYPE_IME ? IME_INSETS_SOURCE_PROVIDER :
INSETS_SOURCE_PROVIDERS, logLevel);
}
}
}
proto.write(IME_POLICY, getImePolicy());
for (Rect r : getKeepClearAreas()) {
r.dumpDebug(proto, KEEP_CLEAR_AREAS);
}
proto.end(token);
}
@Override
long getProtoFieldId() {
return DISPLAY_CONTENT;
}
@Override
public void dump(PrintWriter pw, String prefix, boolean dumpAll) {
super.dump(pw, prefix, dumpAll);
pw.print(prefix);
pw.println("Display: mDisplayId=" + mDisplayId + " rootTasks=" + getRootTaskCount());
final String subPrefix = " " + prefix;
pw.print(subPrefix); pw.print("init="); pw.print(mInitialDisplayWidth); pw.print("x");
pw.print(mInitialDisplayHeight); pw.print(" "); pw.print(mInitialDisplayDensity);
pw.print("dpi");
pw.print(" mMinSizeOfResizeableTaskDp="); pw.print(mMinSizeOfResizeableTaskDp);
if (mInitialDisplayWidth != mBaseDisplayWidth
|| mInitialDisplayHeight != mBaseDisplayHeight
|| mInitialDisplayDensity != mBaseDisplayDensity) {
pw.print(" base=");
pw.print(mBaseDisplayWidth); pw.print("x"); pw.print(mBaseDisplayHeight);
pw.print(" "); pw.print(mBaseDisplayDensity); pw.print("dpi");
}
if (mDisplayScalingDisabled) {
pw.println(" noscale");
}
pw.print(" cur=");
pw.print(mDisplayInfo.logicalWidth);
pw.print("x"); pw.print(mDisplayInfo.logicalHeight);
pw.print(" app=");
pw.print(mDisplayInfo.appWidth);
pw.print("x"); pw.print(mDisplayInfo.appHeight);
pw.print(" rng="); pw.print(mDisplayInfo.smallestNominalAppWidth);
pw.print("x"); pw.print(mDisplayInfo.smallestNominalAppHeight);
pw.print("-"); pw.print(mDisplayInfo.largestNominalAppWidth);
pw.print("x"); pw.println(mDisplayInfo.largestNominalAppHeight);
pw.print(subPrefix + "deferred=" + mDeferredRemoval
+ " mLayoutNeeded=" + mLayoutNeeded);
pw.println(" mTouchExcludeRegion=" + mTouchExcludeRegion);
pw.println();
pw.print(prefix); pw.print("mLayoutSeq="); pw.println(mLayoutSeq);
pw.print(" mCurrentFocus="); pw.println(mCurrentFocus);
pw.print(" mFocusedApp="); pw.println(mFocusedApp);
if (mFixedRotationLaunchingApp != null) {
pw.println(" mFixedRotationLaunchingApp=" + mFixedRotationLaunchingApp);
}
pw.println();
mWallpaperController.dump(pw, " ");
if (mSystemGestureExclusionListeners.getRegisteredCallbackCount() > 0) {
pw.println();
pw.print(" mSystemGestureExclusion=");
pw.println(mSystemGestureExclusion);
}
final Set<Rect> keepClearAreas = getKeepClearAreas();
if (!keepClearAreas.isEmpty()) {
pw.println();
pw.print(" keepClearAreas=");
pw.println(keepClearAreas);
}
pw.println();
pw.println(prefix + "Display areas in top down Z order:");
dumpChildDisplayArea(pw, subPrefix, dumpAll);
pw.println();
pw.println(prefix + "Task display areas in top down Z order:");
forAllTaskDisplayAreas(taskDisplayArea -> {
taskDisplayArea.dump(pw, prefix + " ", dumpAll);
});
pw.println();
final ScreenRotationAnimation rotationAnimation = getRotationAnimation();
if (rotationAnimation != null) {
pw.println(" mScreenRotationAnimation:");
rotationAnimation.printTo(subPrefix, pw);
} else if (dumpAll) {
pw.println(" no ScreenRotationAnimation ");
}
pw.println();
// Dump root task references
final Task rootHomeTask = getDefaultTaskDisplayArea().getRootHomeTask();
if (rootHomeTask != null) {
pw.println(prefix + "rootHomeTask=" + rootHomeTask.getName());
}
final Task rootPinnedTask = getDefaultTaskDisplayArea().getRootPinnedTask();
if (rootPinnedTask != null) {
pw.println(prefix + "rootPinnedTask=" + rootPinnedTask.getName());
}
// TODO: Support recents on non-default task containers
final Task rootRecentsTask = getDefaultTaskDisplayArea().getRootTask(
WINDOWING_MODE_UNDEFINED, ACTIVITY_TYPE_RECENTS);
if (rootRecentsTask != null) {
pw.println(prefix + "rootRecentsTask=" + rootRecentsTask.getName());
}
final Task rootDreamTask =
getRootTask(WINDOWING_MODE_UNDEFINED, ACTIVITY_TYPE_DREAM);
if (rootDreamTask != null) {
pw.println(prefix + "rootDreamTask=" + rootDreamTask.getName());
}
pw.println();
mPinnedTaskController.dump(prefix, pw);
pw.println();
mDisplayFrames.dump(prefix, pw);
pw.println();
mDisplayPolicy.dump(prefix, pw);
pw.println();
mDisplayRotation.dump(prefix, pw);
pw.println();
mInputMonitor.dump(pw, " ");
pw.println();
mInsetsStateController.dump(prefix, pw);
mDwpcHelper.dump(prefix, pw);
}
@Override
public String toString() {
return "Display{#" + mDisplayId + " state=" + Display.stateToString(mDisplayInfo.state)
+ " size=" + mDisplayInfo.logicalWidth + "x" + mDisplayInfo.logicalHeight
+ " " + Surface.rotationToString(mDisplayInfo.rotation) + "}";
}
String getName() {
return "Display " + mDisplayId + " name=\"" + mDisplayInfo.name + "\"";
}
/** Find the visible, touch-deliverable window under the given point */
WindowState getTouchableWinAtPointLocked(float xf, float yf) {
final int x = (int) xf;
final int y = (int) yf;
final WindowState touchedWin = getWindow(w -> {
final int flags = w.mAttrs.flags;
if (!w.isVisible()) {
return false;
}
if ((flags & FLAG_NOT_TOUCHABLE) != 0) {
return false;
}
w.getVisibleBounds(mTmpRect);
if (!mTmpRect.contains(x, y)) {
return false;
}
w.getTouchableRegion(mTmpRegion);
final int touchFlags = flags & (FLAG_NOT_FOCUSABLE | FLAG_NOT_TOUCH_MODAL);
return mTmpRegion.contains(x, y) || touchFlags == 0;
});
return touchedWin;
}
boolean canAddToastWindowForUid(int uid) {
// We allow one toast window per UID being shown at a time.
// Also if the app is focused adding more than one toast at
// a time for better backwards compatibility.
final WindowState focusedWindowForUid = getWindow(w ->
w.mOwnerUid == uid && w.isFocused());
if (focusedWindowForUid != null) {
return true;
}
final WindowState win = getWindow(w ->
w.mAttrs.type == TYPE_TOAST && w.mOwnerUid == uid && !w.mPermanentlyHidden
&& !w.mWindowRemovalAllowed);
return win == null;
}
void scheduleToastWindowsTimeoutIfNeededLocked(WindowState oldFocus, WindowState newFocus) {
if (oldFocus == null || (newFocus != null && newFocus.mOwnerUid == oldFocus.mOwnerUid)) {
return;
}
// Used to communicate the old focus to the callback method.
mTmpWindow = oldFocus;
forAllWindows(mScheduleToastTimeout, false /* traverseTopToBottom */);
}
/**
* Looking for the focused window on this display if the top focused display hasn't been
* found yet (topFocusedDisplayId is INVALID_DISPLAY) or per-display focused was allowed.
*
* @param topFocusedDisplayId Id of the top focused display.
* @return The focused window or null if there isn't any or no need to seek.
*/
WindowState findFocusedWindowIfNeeded(int topFocusedDisplayId) {
return (mWmService.mPerDisplayFocusEnabled || topFocusedDisplayId == INVALID_DISPLAY)
? findFocusedWindow() : null;
}
WindowState findFocusedWindow() {
mTmpWindow = null;
forAllWindows(mFindFocusedWindow, true /* traverseTopToBottom */);
if (mTmpWindow == null) {
ProtoLog.v(WM_DEBUG_FOCUS_LIGHT, "findFocusedWindow: No focusable windows, display=%d",
getDisplayId());
return null;
}
return mTmpWindow;
}
/**
* Update the focused window and make some adjustments if the focus has changed.
*
* @param mode Indicates the situation we are in. Possible modes are:
* {@link WindowManagerService#UPDATE_FOCUS_NORMAL},
* {@link WindowManagerService#UPDATE_FOCUS_PLACING_SURFACES},
* {@link WindowManagerService#UPDATE_FOCUS_WILL_PLACE_SURFACES},
* {@link WindowManagerService#UPDATE_FOCUS_REMOVING_FOCUS}
* @param updateInputWindows Whether to sync the window information to the input module.
* @param topFocusedDisplayId Display id of current top focused display.
* @return {@code true} if the focused window has changed.
*/
boolean updateFocusedWindowLocked(int mode, boolean updateInputWindows,
int topFocusedDisplayId) {
WindowState newFocus = findFocusedWindowIfNeeded(topFocusedDisplayId);
if (mCurrentFocus == newFocus) {
return false;
}
boolean imWindowChanged = false;
final WindowState imWindow = mInputMethodWindow;
if (imWindow != null) {
final WindowState prevTarget = mImeLayeringTarget;
final WindowState newTarget = computeImeTarget(true /* updateImeTarget*/);
imWindowChanged = prevTarget != newTarget;
if (mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS
&& mode != UPDATE_FOCUS_WILL_PLACE_SURFACES) {
assignWindowLayers(false /* setLayoutNeeded */);
}
if (imWindowChanged) {
mWmService.mWindowsChanged = true;
setLayoutNeeded();
newFocus = findFocusedWindowIfNeeded(topFocusedDisplayId);
}
}
ProtoLog.d(WM_DEBUG_FOCUS_LIGHT, "Changing focus from %s to %s displayId=%d Callers=%s",
mCurrentFocus, newFocus, getDisplayId(), Debug.getCallers(4));
final WindowState oldFocus = mCurrentFocus;
mCurrentFocus = newFocus;
if (newFocus != null) {
mWinAddedSinceNullFocus.clear();
mWinRemovedSinceNullFocus.clear();
if (newFocus.canReceiveKeys()) {
// Displaying a window implicitly causes dispatching to be unpaused.
// This is to protect against bugs if someone pauses dispatching but
// forgets to resume.
newFocus.mToken.paused = false;
}
}
getDisplayPolicy().focusChangedLw(oldFocus, newFocus);
if (imWindowChanged && oldFocus != mInputMethodWindow) {
// Focus of the input method window changed. Perform layout if needed.
if (mode == UPDATE_FOCUS_PLACING_SURFACES) {
performLayout(true /*initial*/, updateInputWindows);
} else if (mode == UPDATE_FOCUS_WILL_PLACE_SURFACES) {
// Client will do the layout, but we need to assign layers
// for handleNewWindowLocked() below.
assignWindowLayers(false /* setLayoutNeeded */);
}
}
if (mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS) {
// If we defer assigning layers, then the caller is responsible for doing this part.
getInputMonitor().setInputFocusLw(newFocus, updateInputWindows);
}
adjustForImeIfNeeded();
updateKeepClearAreas();
// We may need to schedule some toast windows to be removed. The toasts for an app that
// does not have input focus are removed within a timeout to prevent apps to redress
// other apps' UI.
scheduleToastWindowsTimeoutIfNeededLocked(oldFocus, newFocus);
if (mode == UPDATE_FOCUS_PLACING_SURFACES) {
pendingLayoutChanges |= FINISH_LAYOUT_REDO_ANIM;
}
// Notify the accessibility manager for the change so it has the windows before the newly
// focused one starts firing events.
// TODO(b/151179149) investigate what info accessibility service needs before input can
// dispatch focus to clients.
if (mWmService.mAccessibilityController.hasCallbacks()) {
mWmService.mH.sendMessage(PooledLambda.obtainMessage(
this::updateAccessibilityOnWindowFocusChanged,
mWmService.mAccessibilityController));
}
return true;
}
void updateAccessibilityOnWindowFocusChanged(AccessibilityController accessibilityController) {
accessibilityController.onWindowFocusChangedNot(getDisplayId());
}
/**
* Set the new focused app to this display.
*
* @param newFocus the new focused {@link ActivityRecord}.
* @return true if the focused app is changed.
*/
boolean setFocusedApp(ActivityRecord newFocus) {
if (newFocus != null) {
final DisplayContent appDisplay = newFocus.getDisplayContent();
if (appDisplay != this) {
throw new IllegalStateException(newFocus + " is not on " + getName()
+ " but " + ((appDisplay != null) ? appDisplay.getName() : "none"));
}
// Called even if the focused app is not changed in case the app is moved to a different
// TaskDisplayArea.
onLastFocusedTaskDisplayAreaChanged(newFocus.getDisplayArea());
}
if (mFocusedApp == newFocus) {
return false;
}
ProtoLog.i(WM_DEBUG_FOCUS_LIGHT, "setFocusedApp %s displayId=%d Callers=%s",
newFocus, getDisplayId(), Debug.getCallers(4));
final Task oldTask = mFocusedApp != null ? mFocusedApp.getTask() : null;
final Task newTask = newFocus != null ? newFocus.getTask() : null;
mFocusedApp = newFocus;
if (oldTask != newTask) {
if (oldTask != null) oldTask.onAppFocusChanged(false);
if (newTask != null) newTask.onAppFocusChanged(true);
}
getInputMonitor().setFocusedAppLw(newFocus);
updateTouchExcludeRegion();
return true;
}
/** Update the top activity and the uids of non-finishing activity */
void onRunningActivityChanged() {
mDwpcHelper.onRunningActivityChanged();
}
/** Called when the focused {@link TaskDisplayArea} on this display may have changed. */
void onLastFocusedTaskDisplayAreaChanged(@Nullable TaskDisplayArea taskDisplayArea) {
// Only record the TaskDisplayArea that handles orientation request.
if (taskDisplayArea != null && taskDisplayArea.handlesOrientationChangeFromDescendant()) {
mOrientationRequestingTaskDisplayArea = taskDisplayArea;
return;
}
// If the previous TDA no longer handles orientation request, clear it.
if (mOrientationRequestingTaskDisplayArea != null
&& !mOrientationRequestingTaskDisplayArea
.handlesOrientationChangeFromDescendant()) {
mOrientationRequestingTaskDisplayArea = null;
}
}
/**
* Gets the {@link TaskDisplayArea} that we respect orientation requests from apps below it.
*/
@Nullable
TaskDisplayArea getOrientationRequestingTaskDisplayArea() {
return mOrientationRequestingTaskDisplayArea;
}
/** Updates the layer assignment of windows on this display. */
void assignWindowLayers(boolean setLayoutNeeded) {
Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "assignWindowLayers");
assignChildLayers(getSyncTransaction());
if (setLayoutNeeded) {
setLayoutNeeded();
}
// We accumlate the layer changes in-to "getPendingTransaction()" but we defer
// the application of this transaction until the animation pass triggers
// prepareSurfaces. This allows us to synchronize Z-ordering changes with
// the hiding and showing of surfaces.
scheduleAnimation();
Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
}
// TODO: This should probably be called any time a visual change is made to the hierarchy like
// moving containers or resizing them. Need to investigate the best way to have it automatically
// happen so we don't run into issues with programmers forgetting to do it.
void layoutAndAssignWindowLayersIfNeeded() {
mWmService.mWindowsChanged = true;
setLayoutNeeded();
if (!mWmService.updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
false /*updateInputWindows*/)) {
assignWindowLayers(false /* setLayoutNeeded */);
}
mInputMonitor.setUpdateInputWindowsNeededLw();
mWmService.mWindowPlacerLocked.performSurfacePlacement();
mInputMonitor.updateInputWindowsLw(false /*force*/);
}
/** Returns true if a leaked surface was destroyed */
boolean destroyLeakedSurfaces() {
// Used to indicate that a surface was leaked.
mTmpWindow = null;
final Transaction t = mWmService.mTransactionFactory.get();
forAllWindows(w -> {
final WindowStateAnimator wsa = w.mWinAnimator;
if (wsa.mSurfaceController == null) {
return;
}
if (!mWmService.mSessions.contains(wsa.mSession)) {
Slog.w(TAG_WM, "LEAKED SURFACE (session doesn't exist): "
+ w + " surface=" + wsa.mSurfaceController
+ " token=" + w.mToken
+ " pid=" + w.mSession.mPid
+ " uid=" + w.mSession.mUid);
wsa.destroySurface(t);
mWmService.mForceRemoves.add(w);
mTmpWindow = w;
} else if (w.mActivityRecord != null && !w.mActivityRecord.isClientVisible()) {
Slog.w(TAG_WM, "LEAKED SURFACE (app token hidden): "
+ w + " surface=" + wsa.mSurfaceController
+ " token=" + w.mActivityRecord);
ProtoLog.i(WM_SHOW_TRANSACTIONS, "SURFACE LEAK DESTROY: %s", w);
wsa.destroySurface(t);
mTmpWindow = w;
}
}, false /* traverseTopToBottom */);
t.apply();
return mTmpWindow != null;
}
boolean hasAlertWindowSurfaces() {
for (int i = mWmService.mSessions.size() - 1; i >= 0; --i) {
if (mWmService.mSessions.valueAt(i).hasAlertWindowSurfaces(this)) {
return true;
}
}
return false;
}
/**
* Set input method window for the display.
* @param win Set when window added or Null when destroyed.
*/
void setInputMethodWindowLocked(WindowState win) {
mInputMethodWindow = win;
// Update display configuration for IME process.
if (mInputMethodWindow != null) {
final int imePid = mInputMethodWindow.mSession.mPid;
mAtmService.onImeWindowSetOnDisplayArea(imePid, mImeWindowsContainer);
}
mInsetsStateController.getSourceProvider(ITYPE_IME).setWindowContainer(win,
mDisplayPolicy.getImeSourceFrameProvider(), null /* imeFrameProvider */);
computeImeTarget(true /* updateImeTarget */);
updateImeControlTarget();
}
/**
* Determine and return the window that should be the IME target for layering the IME window.
* @param updateImeTarget If true the system IME target will be updated to match what we found.
* @return The window that should be used as the IME target or null if there isn't any.
*/
WindowState computeImeTarget(boolean updateImeTarget) {
if (mInputMethodWindow == null) {
// There isn't an IME so there shouldn't be a target...That was easy!
if (updateImeTarget) {
if (DEBUG_INPUT_METHOD) Slog.w(TAG_WM, "Moving IM target from "
+ mImeLayeringTarget + " to null since mInputMethodWindow is null");
setImeLayeringTargetInner(null);
}
return null;
}
final WindowState curTarget = mImeLayeringTarget;
if (!canUpdateImeTarget()) {
if (DEBUG_INPUT_METHOD) Slog.w(TAG_WM, "Defer updating IME target");
mUpdateImeRequestedWhileDeferred = true;
return curTarget;
}
// TODO(multidisplay): Needs some serious rethought when the target and IME are not on the
// same display. Or even when the current IME/target are not on the same screen as the next
// IME/target. For now only look for input windows on the main screen.
mUpdateImeTarget = updateImeTarget;
WindowState target = getWindow(mComputeImeTargetPredicate);
if (DEBUG_INPUT_METHOD && updateImeTarget) Slog.v(TAG_WM,
"Proposed new IME target: " + target + " for display: " + getDisplayId());
if (DEBUG_INPUT_METHOD) Slog.v(TAG_WM, "Desired input method target=" + target
+ " updateImeTarget=" + updateImeTarget);
if (target == null) {
if (updateImeTarget) {
if (DEBUG_INPUT_METHOD) Slog.w(TAG_WM, "Moving IM target from " + curTarget
+ " to null." + (SHOW_STACK_CRAWLS ? " Callers="
+ Debug.getCallers(4) : ""));
setImeLayeringTargetInner(null);
}
return null;
}
if (updateImeTarget) {
if (DEBUG_INPUT_METHOD) Slog.w(TAG_WM, "Moving IM target from " + curTarget + " to "
+ target + (SHOW_STACK_CRAWLS ? " Callers=" + Debug.getCallers(4) : ""));
setImeLayeringTargetInner(target);
}
return target;
}
/**
* Calling {@link #computeImeTarget(boolean)} to update the input method target window in
* the candidate app window token if needed.
*/
void computeImeTargetIfNeeded(ActivityRecord candidate) {
if (mImeLayeringTarget != null && mImeLayeringTarget.mActivityRecord == candidate) {
computeImeTarget(true /* updateImeTarget */);
}
}
private boolean isImeControlledByApp() {
return mImeInputTarget != null && mImeInputTarget.shouldControlIme();
}
boolean shouldImeAttachedToApp() {
if (mImeWindowsContainer.isOrganized()) {
return false;
}
// Force attaching IME to the display when magnifying, or it would be magnified with
// target app together.
final boolean allowAttachToApp = (mMagnificationSpec == null);
return allowAttachToApp && isImeControlledByApp()
&& mImeLayeringTarget != null
&& mImeLayeringTarget.mActivityRecord != null
&& mImeLayeringTarget.getWindowingMode() == WINDOWING_MODE_FULLSCREEN
// IME is attached to app windows that fill display area. This excludes
// letterboxed windows.
&& mImeLayeringTarget.matchesDisplayAreaBounds();
}
/**
* Unlike {@link #shouldImeAttachedToApp()}, this method returns {@code @true} only when both
* the IME layering target is valid to attach the IME surface to the app, and the
* {@link #mInputMethodSurfaceParent} of the {@link ImeContainer} has actually attached to
* the app. (i.e. Even if {@link #shouldImeAttachedToApp()} returns {@code true}, calling this
* method will return {@code false} if the IME surface doesn't actually attach to the app.)
*/
boolean isImeAttachedToApp() {
return shouldImeAttachedToApp()
&& mInputMethodSurfaceParent != null
&& mInputMethodSurfaceParent.isSameSurface(
mImeLayeringTarget.mActivityRecord.getSurfaceControl());
}
/**
* Finds the window which can host IME if IME target cannot host it.
* e.g. IME target cannot host IME when display doesn't support IME/system decorations.
*
* @param target current IME target.
* @return {@link InsetsControlTarget} that can host IME.
*/
InsetsControlTarget getImeHostOrFallback(WindowState target) {
if (target != null
&& target.getDisplayContent().getImePolicy() == DISPLAY_IME_POLICY_LOCAL) {
return target;
}
return getImeFallback();
}
InsetsControlTarget getImeFallback() {
// host is in non-default display that doesn't support system decor, default to
// default display's StatusBar to control IME (when available), else let system control it.
final DisplayContent defaultDc = mWmService.getDefaultDisplayContentLocked();
WindowState statusBar = defaultDc.getDisplayPolicy().getStatusBar();
return statusBar != null ? statusBar : defaultDc.mRemoteInsetsControlTarget;
}
/**
* Returns the corresponding IME insets control target according the IME target type.
*
* @param type The type of the IME target.
* @see #IME_TARGET_LAYERING
* @see #IME_TARGET_CONTROL
*/
InsetsControlTarget getImeTarget(@InputMethodTarget int type) {
switch (type) {
case IME_TARGET_LAYERING: return mImeLayeringTarget;
case IME_TARGET_CONTROL: return mImeControlTarget;
default:
return null;
}
}
InputTarget getImeInputTarget() {
return mImeInputTarget;
}
// IMPORTANT: When introducing new dependencies in this method, make sure that
// changes to those result in RootWindowContainer.updateDisplayImePolicyCache()
// being called.
@DisplayImePolicy int getImePolicy() {
if (!isTrusted()) {
return DISPLAY_IME_POLICY_FALLBACK_DISPLAY;
}
final int imePolicy = mWmService.mDisplayWindowSettings.getImePolicyLocked(this);
if (imePolicy == DISPLAY_IME_POLICY_FALLBACK_DISPLAY && forceDesktopMode()) {
// If the display has not explicitly requested for the IME to be hidden then it shall
// show the IME locally.
return DISPLAY_IME_POLICY_LOCAL;
}
return imePolicy;
}
boolean forceDesktopMode() {
return mWmService.mForceDesktopModeOnExternalDisplays && !isDefaultDisplay && !isPrivate();
}
/** @see WindowManagerInternal#onToggleImeRequested */
void onShowImeRequested() {
if (mImeLayeringTarget == null || mInputMethodWindow == null) {
return;
}
// If IME window will be shown on the rotated activity, share the transformed state to
// IME window so it can compute rotated frame with rotated configuration.
if (mImeLayeringTarget.mToken.isFixedRotationTransforming()) {
mInputMethodWindow.mToken.linkFixedRotationTransform(mImeLayeringTarget.mToken);
// Hide the window until the rotation is done to avoid intermediate artifacts if the
// parent surface of IME container is changed.
if (mAsyncRotationController != null) {
mAsyncRotationController.hideImmediately(mInputMethodWindow.mToken);
}
}
}
@VisibleForTesting
void setImeLayeringTarget(WindowState target) {
mImeLayeringTarget = target;
}
/**
* Sets the window the IME is on top of.
* @param target window to place the IME surface on top of. If {@code null}, the IME will be
* placed at its parent's surface.
*/
private void setImeLayeringTargetInner(@Nullable WindowState target) {
/**
* This function is also responsible for updating the IME control target
* and so in the case where the IME layering target does not change
* but the Input target does (for example, IME moving to a SurfaceControlViewHost
* we have to continue executing this function, otherwise there is no work
* to do.
*/
if (target == mImeLayeringTarget && mLastImeInputTarget == mImeInputTarget) {
return;
}
mLastImeInputTarget = mImeInputTarget;
// If the IME target is the input target, before it changes, prepare the IME screenshot
// for the last IME target when its task is applying app transition. This is for the
// better IME transition to keep IME visibility when transitioning to the next task.
if (mImeLayeringTarget != null && mImeLayeringTarget == mImeInputTarget) {
boolean nonAppImeTargetAnimatingExit = mImeLayeringTarget.mAnimatingExit
&& mImeLayeringTarget.mAttrs.type != TYPE_BASE_APPLICATION
&& mImeLayeringTarget.isSelfAnimating(0, ANIMATION_TYPE_WINDOW_ANIMATION);
if (mImeLayeringTarget.inTransitionSelfOrParent() || nonAppImeTargetAnimatingExit) {
showImeScreenshot();
}
}
ProtoLog.i(WM_DEBUG_IME, "setInputMethodTarget %s", target);
final boolean layeringTargetChanged = target != mImeLayeringTarget;
mImeLayeringTarget = target;
// 1. Reparent the IME container window to the target root DA to get the correct bounds and
// config. Only happens when the target window is in a different root DA and ImeContainer
// is not organized (see FEATURE_IME and updateImeParent).
if (target != null && !mImeWindowsContainer.isOrganized()) {
RootDisplayArea targetRoot = target.getRootDisplayArea();
if (targetRoot != null && targetRoot != mImeWindowsContainer.getRootDisplayArea()) {
// Reposition the IME container to the target root to get the correct bounds and
// config.
targetRoot.placeImeContainer(mImeWindowsContainer);
// Directly hide the IME window so it doesn't flash immediately after reparenting.
// InsetsController will make IME visible again before animating it.
if (mInputMethodWindow != null) {
mInputMethodWindow.hide(false /* doAnimation */, false /* requestAnim */);
}
}
}
// 2. Assign window layers based on the IME surface parent to make sure it is on top of the
// app.
assignWindowLayers(true /* setLayoutNeeded */);
// 3. The z-order of IME might have been changed. Update the above insets state.
mInsetsStateController.updateAboveInsetsState(
mInsetsStateController.getRawInsetsState().getSourceOrDefaultVisibility(ITYPE_IME));
// 4. Update the IME control target to apply any inset change and animation.
// 5. Reparent the IME container surface to either the input target app, or the IME window
// parent.
updateImeControlTarget(layeringTargetChanged);
}
@VisibleForTesting
void setImeInputTarget(InputTarget target) {
mImeInputTarget = target;
if (refreshImeSecureFlag(getPendingTransaction())) {
mWmService.requestTraversal();
}
}
/**
* Re-check the IME target's SECURE flag since it's possible to have changed after the target
* was set.
*/
boolean refreshImeSecureFlag(Transaction t) {
boolean canScreenshot = mImeInputTarget == null || mImeInputTarget.canScreenshotIme();
return mImeWindowsContainer.setCanScreenshot(t, canScreenshot);
}
@VisibleForTesting
void setImeControlTarget(InsetsControlTarget target) {
mImeControlTarget = target;
}
// ========== Begin of ImeScreenshot stuff ==========
/** The screenshot IME surface to place on the task while transitioning to the next task. */
ImeScreenshot mImeScreenshot;
static final class ImeScreenshot {
private WindowState mImeTarget;
private SurfaceControl.Builder mSurfaceBuilder;
private SurfaceControl mImeSurface;
ImeScreenshot(SurfaceControl.Builder surfaceBuilder, @NonNull WindowState imeTarget) {
mSurfaceBuilder = surfaceBuilder;
mImeTarget = imeTarget;
}
WindowState getImeTarget() {
return mImeTarget;
}
private SurfaceControl createImeSurface(SurfaceControl.ScreenshotHardwareBuffer b,
Transaction t) {
final HardwareBuffer buffer = b.getHardwareBuffer();
ProtoLog.i(WM_DEBUG_IME, "create IME snapshot for %s, buff width=%s, height=%s",
mImeTarget, buffer.getWidth(), buffer.getHeight());
final WindowState imeWindow = mImeTarget.getDisplayContent().mInputMethodWindow;
final ActivityRecord activity = mImeTarget.mActivityRecord;
final SurfaceControl imeParent = mImeTarget.mAttrs.type == TYPE_BASE_APPLICATION
? activity.getSurfaceControl()
: mImeTarget.getSurfaceControl();
final SurfaceControl imeSurface = mSurfaceBuilder
.setName("IME-snapshot-surface")
.setBLASTLayer()
.setFormat(buffer.getFormat())
// Attaching IME snapshot to the associated IME layering target on the
// activity when:
// - The target is activity main window: attaching on top of the activity.
// - The target is non-activity main window (e.g. activity overlay or
// dialog-themed activity): attaching on top of the target since the layer has
// already above the activity.
.setParent(imeParent)
.setCallsite("DisplayContent.attachAndShowImeScreenshotOnTarget")
.build();
// Make IME snapshot as trusted overlay
InputMonitor.setTrustedOverlayInputInfo(imeSurface, t, imeWindow.getDisplayId(),
"IME-snapshot-surface");
t.setBuffer(imeSurface, buffer);
t.setColorSpace(activity.mSurfaceControl, ColorSpace.get(ColorSpace.Named.SRGB));
t.setLayer(imeSurface, 1);
final Point surfacePosition = new Point(imeWindow.getFrame().left,
imeWindow.getFrame().top);
if (imeParent == activity.getSurfaceControl()) {
t.setPosition(imeSurface, surfacePosition.x, surfacePosition.y);
} else {
surfacePosition.offset(-mImeTarget.getFrame().left, -mImeTarget.getFrame().top);
surfacePosition.offset(mImeTarget.mAttrs.surfaceInsets.left,
mImeTarget.mAttrs.surfaceInsets.top);
t.setPosition(imeSurface, surfacePosition.x, surfacePosition.y);
}
ProtoLog.i(WM_DEBUG_IME, "Set IME snapshot position: (%d, %d)", surfacePosition.x,
surfacePosition.y);
return imeSurface;
}
private void removeImeSurface(Transaction t) {
if (mImeSurface != null) {
ProtoLog.i(WM_DEBUG_IME, "remove IME snapshot, caller=%s", Debug.getCallers(6));
t.remove(mImeSurface);
mImeSurface = null;
}
}
void attachAndShow(Transaction t) {
final DisplayContent dc = mImeTarget.getDisplayContent();
// Prepare IME screenshot for the target if it allows to attach into.
final Task task = mImeTarget.getTask();
// Re-new the IME screenshot when it does not exist or the size changed.
final boolean renewImeSurface = mImeSurface == null
|| mImeSurface.getWidth() != dc.mInputMethodWindow.getFrame().width()
|| mImeSurface.getHeight() != dc.mInputMethodWindow.getFrame().height();
if (task != null && !task.isActivityTypeHomeOrRecents()) {
SurfaceControl.ScreenshotHardwareBuffer imeBuffer = renewImeSurface
? dc.mWmService.mTaskSnapshotController.snapshotImeFromAttachedTask(task)
: null;
if (imeBuffer != null) {
// Remove the last IME surface when the surface needs to renew.
removeImeSurface(t);
mImeSurface = createImeSurface(imeBuffer, t);
}
}
final boolean isValidSnapshot = mImeSurface != null && mImeSurface.isValid();
// Showing the IME screenshot if the target has already in app transition stage.
// Note that if the current IME insets is not showing, no need to show IME screenshot
// to reflect the true IME insets visibility and the app task layout as possible.
if (isValidSnapshot
&& dc.getInsetsStateController().getImeSourceProvider().isImeShowing()) {
ProtoLog.i(WM_DEBUG_IME, "show IME snapshot, ime target=%s, callers=%s",
mImeTarget, Debug.getCallers(6));
t.show(mImeSurface);
} else if (!isValidSnapshot) {
removeImeSurface(t);
}
}
void detach(Transaction t) {
removeImeSurface(t);
}
}
private void attachAndShowImeScreenshotOnTarget() {
// No need to attach screenshot if the IME target not exists or screen is off.
if (!shouldImeAttachedToApp() || !mWmService.mPolicy.isScreenOn()) {
return;
}
final SurfaceControl.Transaction t = getPendingTransaction();
// Prepare IME screenshot for the target if it allows to attach into.
if (mInputMethodWindow != null && mInputMethodWindow.isVisible()) {
// Remove the obsoleted IME snapshot first in case the new snapshot happens to
// override the current one before the transition finish and the surface never be
// removed on the task.
removeImeSurfaceImmediately();
mImeScreenshot = new ImeScreenshot(
mWmService.mSurfaceControlFactory.apply(null), mImeLayeringTarget);
mImeScreenshot.attachAndShow(t);
}
}
/**
* Shows the IME screenshot and attach to the IME target window.
*
* Used when the IME target window with IME visible is transitioning to the next target.
* e.g. App transitioning or swiping this the task of the IME target window to recents app.
*/
void showImeScreenshot() {
attachAndShowImeScreenshotOnTarget();
}
/**
* Removes the IME screenshot when necessary.
*
* Used when app transition animation finished or obsoleted screenshot surface like size
* changed by rotation.
*/
void removeImeScreenshotIfPossible() {
if (mImeLayeringTarget == null
|| mImeLayeringTarget.mAttrs.type != TYPE_APPLICATION_STARTING
&& !mImeLayeringTarget.inTransitionSelfOrParent()) {
removeImeSurfaceImmediately();
}
}
/** Removes the IME screenshot immediately. */
void removeImeSurfaceImmediately() {
if (mImeScreenshot != null) {
mImeScreenshot.detach(getSyncTransaction());
mImeScreenshot = null;
}
}
// ========== End of ImeScreenshot stuff ==========
/**
* The IME input target is the window which receives input from IME. It is also a candidate
* which controls the visibility and animation of the input method window.
*/
void updateImeInputAndControlTarget(InputTarget target) {
if (mImeInputTarget != target) {
ProtoLog.i(WM_DEBUG_IME, "setInputMethodInputTarget %s", target);
setImeInputTarget(target);
mInsetsStateController.updateAboveInsetsState(mInsetsStateController
.getRawInsetsState().getSourceOrDefaultVisibility(ITYPE_IME));
// Force updating the IME parent when the IME control target has been updated to the
// remote target but updateImeParent not happen because ImeLayeringTarget and
// ImeInputTarget are different. Then later updateImeParent would be ignored when there
// is no new IME control target to change the IME parent.
final boolean forceUpdateImeParent = mImeControlTarget == mRemoteInsetsControlTarget
&& (mInputMethodSurfaceParent != null
&& !mInputMethodSurfaceParent.isSameSurface(
mImeWindowsContainer.getParent().mSurfaceControl));
updateImeControlTarget(forceUpdateImeParent);
}
// Unfreeze IME insets after the new target updated, in case updateAboveInsetsState may
// deliver unrelated IME insets change to the non-IME requester.
if (target != null) {
target.unfreezeInsetsAfterStartInput();
}
}
void updateImeControlTarget() {
updateImeControlTarget(false /* forceUpdateImeParent */);
}
void updateImeControlTarget(boolean forceUpdateImeParent) {
InsetsControlTarget prevImeControlTarget = mImeControlTarget;
mImeControlTarget = computeImeControlTarget();
mInsetsStateController.onImeControlTargetChanged(mImeControlTarget);
// Update Ime parent when IME insets leash created or the new IME layering target might
// updated from setImeLayeringTarget, which is the best time that default IME visibility
// has been settled down after IME control target changed.
final boolean imeControlChanged = prevImeControlTarget != mImeControlTarget;
if (imeControlChanged || forceUpdateImeParent) {
updateImeParent();
}
final WindowState win = InsetsControlTarget.asWindowOrNull(mImeControlTarget);
final IBinder token = win != null ? win.mClient.asBinder() : null;
// Note: not allowed to call into IMMS with the WM lock held, hence the post.
mWmService.mH.post(() -> InputMethodManagerInternal.get().reportImeControl(token));
}
void updateImeParent() {
if (mImeWindowsContainer.isOrganized()) {
if (DEBUG_INPUT_METHOD) {
Slog.i(TAG_WM, "ImeContainer is organized. Skip updateImeParent.");
}
// Leave the ImeContainer where the DisplayAreaPolicy placed it.
// FEATURE_IME is organized by vendor so they are responible for placing the surface.
mInputMethodSurfaceParent = null;
return;
}
final SurfaceControl newParent = computeImeParent();
if (newParent != null && newParent != mInputMethodSurfaceParent) {
mInputMethodSurfaceParent = newParent;
getSyncTransaction().reparent(mImeWindowsContainer.mSurfaceControl, newParent);
// When surface parent is removed, the relative layer will also be removed. We need to
// do a force update to make sure there is a layer set for the new parent.
assignRelativeLayerForIme(getSyncTransaction(), true /* forceUpdate */);
scheduleAnimation();
mWmService.mH.post(() -> InputMethodManagerInternal.get().onImeParentChanged());
}
}
/**
* Computes the window where we hand IME control to.
*/
@VisibleForTesting
InsetsControlTarget computeImeControlTarget() {
if (!isImeControlledByApp() && mRemoteInsetsControlTarget != null
|| (mImeInputTarget != null
&& getImeHostOrFallback(mImeInputTarget.getWindowState())
== mRemoteInsetsControlTarget)) {
return mRemoteInsetsControlTarget;
} else {
return mImeInputTarget != null ? mImeInputTarget.getWindowState() : null;
}
}
/**
* Computes the window the IME should be attached to.
*/
@VisibleForTesting
SurfaceControl computeImeParent() {
if (mImeLayeringTarget != null) {
// Ensure changing the IME parent when the layering target that may use IME has
// became to the input target for preventing IME flickers.
// Note that:
// 1) For the imeLayeringTarget that may not use IME but requires IME on top
// of it (e.g. an overlay window with NOT_FOCUSABLE|ALT_FOCUSABLE_IM flags), we allow
// it to re-parent the IME on top the display to keep the legacy behavior.
// 2) Even though the starting window won't use IME, the associated activity
// behind the starting window may request the input. If so, then we should still hold
// the IME parent change until the activity started the input.
boolean imeLayeringTargetMayUseIme =
LayoutParams.mayUseInputMethod(mImeLayeringTarget.mAttrs.flags)
|| mImeLayeringTarget.mAttrs.type == TYPE_APPLICATION_STARTING;
if (imeLayeringTargetMayUseIme && mImeInputTarget != null
&& mImeLayeringTarget.mActivityRecord != mImeInputTarget.getActivityRecord()) {
// Do not change parent if the window hasn't requested IME.
return null;
}
}
// Attach it to app if the target is part of an app and such app is covering the entire
// screen. If it's not covering the entire screen the IME might extend beyond the apps
// bounds.
if (shouldImeAttachedToApp()) {
return mImeLayeringTarget.mActivityRecord.getSurfaceControl();
}
// Otherwise, we just attach it to where the display area policy put it.
return mImeWindowsContainer.getParent() != null
? mImeWindowsContainer.getParent().getSurfaceControl() : null;
}
void setLayoutNeeded() {
if (DEBUG_LAYOUT) Slog.w(TAG_WM, "setLayoutNeeded: callers=" + Debug.getCallers(3));
mLayoutNeeded = true;
}
private void clearLayoutNeeded() {
if (DEBUG_LAYOUT) Slog.w(TAG_WM, "clearLayoutNeeded: callers=" + Debug.getCallers(3));
mLayoutNeeded = false;
}
boolean isLayoutNeeded() {
return mLayoutNeeded;
}
void dumpTokens(PrintWriter pw, boolean dumpAll) {
if (mTokenMap.isEmpty()) {
return;
}
pw.println(" Display #" + mDisplayId);
final Iterator<WindowToken> it = mTokenMap.values().iterator();
while (it.hasNext()) {
final WindowToken token = it.next();
pw.print(" ");
pw.print(token);
if (dumpAll) {
pw.println(':');
token.dump(pw, " ", dumpAll);
} else {
pw.println();
}
}
if (!mOpeningApps.isEmpty() || !mClosingApps.isEmpty() || !mChangingContainers.isEmpty()) {
pw.println();
if (mOpeningApps.size() > 0) {
pw.print(" mOpeningApps="); pw.println(mOpeningApps);
}
if (mClosingApps.size() > 0) {
pw.print(" mClosingApps="); pw.println(mClosingApps);
}
if (mChangingContainers.size() > 0) {
pw.print(" mChangingApps="); pw.println(mChangingContainers);
}
}
mUnknownAppVisibilityController.dump(pw, " ");
}
void dumpWindowAnimators(PrintWriter pw, String subPrefix) {
final int[] index = new int[1];
forAllWindows(w -> {
final WindowStateAnimator wAnim = w.mWinAnimator;
pw.println(subPrefix + "Window #" + index[0] + ": " + wAnim);
index[0] = index[0] + 1;
}, false /* traverseTopToBottom */);
}
/**
* Starts the Keyguard exit animation on all windows that don't belong to an app token.
*/
void startKeyguardExitOnNonAppWindows(boolean onWallpaper, boolean goingToShade,
boolean subtle) {
final WindowManagerPolicy policy = mWmService.mPolicy;
forAllWindows(w -> {
if (w.mActivityRecord == null && w.canBeHiddenByKeyguard()
&& w.wouldBeVisibleIfPolicyIgnored() && !w.isVisible()) {
w.startAnimation(policy.createHiddenByKeyguardExit(
onWallpaper, goingToShade, subtle));
}
}, true /* traverseTopToBottom */);
for (int i = mShellRoots.size() - 1; i >= 0; --i) {
mShellRoots.valueAt(i).startAnimation(policy.createHiddenByKeyguardExit(
onWallpaper, goingToShade, subtle));
}
}
/** @return {@code true} if there is window to wait before enabling the screen. */
boolean shouldWaitForSystemDecorWindowsOnBoot() {
if (!isDefaultDisplay && !supportsSystemDecorations()) {
// Nothing to wait because the secondary display doesn't support system decorations,
// there is no wallpaper, keyguard (status bar) or application (home) window to show
// during booting.
return false;
}
final SparseBooleanArray drawnWindowTypes = new SparseBooleanArray();
// Presuppose keyguard is drawn because if its window isn't attached, we don't know if it
// wants to be shown or hidden, then it should not delay enabling the screen.
drawnWindowTypes.put(TYPE_NOTIFICATION_SHADE, true);
final WindowState visibleNotDrawnWindow = getWindow(w -> {
final boolean isVisible = w.isVisible() && !w.mObscured;
final boolean isDrawn = w.isDrawn();
if (isVisible && !isDrawn) {
ProtoLog.d(WM_DEBUG_BOOT,
"DisplayContent: boot is waiting for window of type %d to be drawn",
w.mAttrs.type);
return true;
}
if (isDrawn) {
switch (w.mAttrs.type) {
case TYPE_BOOT_PROGRESS:
case TYPE_BASE_APPLICATION:
case TYPE_WALLPAPER:
drawnWindowTypes.put(w.mAttrs.type, true);
break;
case TYPE_NOTIFICATION_SHADE:
drawnWindowTypes.put(TYPE_NOTIFICATION_SHADE,
mWmService.mPolicy.isKeyguardDrawnLw());
break;
}
}
return false;
});
if (visibleNotDrawnWindow != null) {
// Wait for the visible window to be drawn.
return true;
}
// if the wallpaper service is disabled on the device, we're never going to have
// wallpaper, don't bother waiting for it
boolean wallpaperEnabled = mWmService.mContext.getResources().getBoolean(
com.android.internal.R.bool.config_enableWallpaperService)
&& mWmService.mContext.getResources().getBoolean(
com.android.internal.R.bool.config_checkWallpaperAtBoot)
&& !mWmService.mOnlyCore;
final boolean haveBootMsg = drawnWindowTypes.get(TYPE_BOOT_PROGRESS);
final boolean haveApp = drawnWindowTypes.get(TYPE_BASE_APPLICATION);
final boolean haveWallpaper = drawnWindowTypes.get(TYPE_WALLPAPER);
final boolean haveKeyguard = drawnWindowTypes.get(TYPE_NOTIFICATION_SHADE);
ProtoLog.i(WM_DEBUG_SCREEN_ON,
"******** booted=%b msg=%b haveBoot=%b haveApp=%b haveWall=%b "
+ "wallEnabled=%b haveKeyguard=%b",
mWmService.mSystemBooted, mWmService.mShowingBootMessages, haveBootMsg,
haveApp, haveWallpaper, wallpaperEnabled, haveKeyguard);
// If we are turning on the screen to show the boot message, don't do it until the boot
// message is actually displayed.
if (!mWmService.mSystemBooted && !haveBootMsg) {
return true;
}
// If we are turning on the screen after the boot is completed normally, don't do so until
// we have the application and wallpaper.
if (mWmService.mSystemBooted
&& ((!haveApp && !haveKeyguard) || (wallpaperEnabled && !haveWallpaper))) {
return true;
}
return false;
}
void updateWindowsForAnimator() {
forAllWindows(mUpdateWindowsForAnimator, true /* traverseTopToBottom */);
}
boolean isInputMethodClientFocus(int uid, int pid) {
final WindowState imFocus = computeImeTarget(false /* updateImeTarget */);
if (imFocus == null) {
return false;
}
if (DEBUG_INPUT_METHOD) {
Slog.i(TAG_WM, "Desired input method target: " + imFocus);
Slog.i(TAG_WM, "Current focus: " + mCurrentFocus + " displayId=" + mDisplayId);
}
if (DEBUG_INPUT_METHOD) {
Slog.i(TAG_WM, "IM target uid/pid: " + imFocus.mSession.mUid
+ "/" + imFocus.mSession.mPid);
Slog.i(TAG_WM, "Requesting client uid/pid: " + uid + "/" + pid);
}
return imFocus.mSession.mUid == uid && imFocus.mSession.mPid == pid;
}
boolean hasSecureWindowOnScreen() {
final WindowState win = getWindow(w -> w.isOnScreen() && w.isSecureLocked());
return win != null;
}
void onWindowFreezeTimeout() {
Slog.w(TAG_WM, "Window freeze timeout expired.");
mWmService.mWindowsFreezingScreen = WINDOWS_FREEZING_SCREENS_TIMEOUT;
forAllWindows(w -> {
if (!w.getOrientationChanging()) {
return;
}
w.orientationChangeTimedOut();
w.mLastFreezeDuration = (int)(SystemClock.elapsedRealtime()
- mWmService.mDisplayFreezeTime);
Slog.w(TAG_WM, "Force clearing orientation change: " + w);
}, true /* traverseTopToBottom */);
mWmService.mWindowPlacerLocked.performSurfacePlacement();
}
/**
* Callbacks when the given type of {@link WindowContainer} animation finished running in the
* hierarchy.
*/
void onWindowAnimationFinished(@NonNull WindowContainer wc, int type) {
if (mImeScreenshot != null) {
ProtoLog.i(WM_DEBUG_IME,
"onWindowAnimationFinished, wc=%s, type=%s, imeSnapshot=%s, target=%s",
wc, SurfaceAnimator.animationTypeToString(type), mImeScreenshot,
mImeScreenshot.getImeTarget());
}
if (mImeScreenshot != null && (wc == mImeScreenshot.getImeTarget()
|| wc.getWindow(w -> w == mImeScreenshot.getImeTarget()) != null)
&& (type & WindowState.EXIT_ANIMATING_TYPES) != 0) {
removeImeSurfaceImmediately();
}
}
// TODO: Super unexpected long method that should be broken down...
void applySurfaceChangesTransaction() {
final WindowSurfacePlacer surfacePlacer = mWmService.mWindowPlacerLocked;
mTmpUpdateAllDrawn.clear();
if (DEBUG_LAYOUT_REPEATS) surfacePlacer.debugLayoutRepeats("On entry to LockedInner",
pendingLayoutChanges);
if ((pendingLayoutChanges & FINISH_LAYOUT_REDO_WALLPAPER) != 0) {
mWallpaperController.adjustWallpaperWindows();
}
if ((pendingLayoutChanges & FINISH_LAYOUT_REDO_CONFIG) != 0) {
if (DEBUG_LAYOUT) Slog.v(TAG, "Computing new config from layout");
if (updateOrientation()) {
setLayoutNeeded();
sendNewConfiguration();
}
}
if ((pendingLayoutChanges & FINISH_LAYOUT_REDO_LAYOUT) != 0) {
setLayoutNeeded();
}
// Perform a layout, if needed.
performLayout(true /* initial */, false /* updateInputWindows */);
pendingLayoutChanges = 0;
Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "applyPostLayoutPolicy");
try {
mDisplayPolicy.beginPostLayoutPolicyLw();
forAllWindows(mApplyPostLayoutPolicy, true /* traverseTopToBottom */);
mDisplayPolicy.finishPostLayoutPolicyLw();
} finally {
Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
}
mInsetsStateController.onPostLayout();
mTmpApplySurfaceChangesTransactionState.reset();
Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "applyWindowSurfaceChanges");
try {
forAllWindows(mApplySurfaceChangesTransaction, true /* traverseTopToBottom */);
} finally {
Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
}
prepareSurfaces();
// This should be called after the insets have been dispatched to clients and we have
// committed finish drawing windows.
mInsetsStateController.getImeSourceProvider().checkShowImePostLayout();
mLastHasContent = mTmpApplySurfaceChangesTransactionState.displayHasContent;
if (!mWmService.mDisplayFrozen) {
mWmService.mDisplayManagerInternal.setDisplayProperties(mDisplayId,
mLastHasContent,
mTmpApplySurfaceChangesTransactionState.preferredRefreshRate,
mTmpApplySurfaceChangesTransactionState.preferredModeId,
mTmpApplySurfaceChangesTransactionState.preferredMinRefreshRate,
mTmpApplySurfaceChangesTransactionState.preferredMaxRefreshRate,
mTmpApplySurfaceChangesTransactionState.preferMinimalPostProcessing,
true /* inTraversal, must call performTraversalInTrans... below */);
}
// If the display now has content, or no longer has content, update recording.
updateRecording();
final boolean wallpaperVisible = mWallpaperController.isWallpaperVisible();
if (wallpaperVisible != mLastWallpaperVisible) {
mLastWallpaperVisible = wallpaperVisible;
mWmService.mWallpaperVisibilityListeners.notifyWallpaperVisibilityChanged(this);
}
while (!mTmpUpdateAllDrawn.isEmpty()) {
final ActivityRecord activity = mTmpUpdateAllDrawn.removeLast();
// See if any windows have been drawn, so they (and others associated with them)
// can now be shown.
activity.updateAllDrawn();
}
}
private void getBounds(Rect out, @Rotation int rotation) {
getBounds(out);
// Rotate the Rect if needed.
final int currentRotation = mDisplayInfo.rotation;
final int rotationDelta = deltaRotation(currentRotation, rotation);
if (rotationDelta == ROTATION_90 || rotationDelta == ROTATION_270) {
out.set(0, 0, out.height(), out.width());
}
}
/** @return the orientation of the display when it's rotation is ROTATION_0. */
int getNaturalOrientation() {
return mBaseDisplayWidth < mBaseDisplayHeight
? ORIENTATION_PORTRAIT : ORIENTATION_LANDSCAPE;
}
void performLayout(boolean initial, boolean updateInputWindows) {
Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "performLayout");
try {
performLayoutNoTrace(initial, updateInputWindows);
} finally {
Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
}
}
private void performLayoutNoTrace(boolean initial, boolean updateInputWindows) {
if (!isLayoutNeeded()) {
return;
}
clearLayoutNeeded();
if (DEBUG_LAYOUT) {
Slog.v(TAG, "-------------------------------------");
Slog.v(TAG, "performLayout: dw=" + mDisplayInfo.logicalWidth
+ " dh=" + mDisplayInfo.logicalHeight);
}
int seq = mLayoutSeq + 1;
if (seq < 0) seq = 0;
mLayoutSeq = seq;
mTmpInitial = initial;
// First perform layout of any root windows (not attached to another window).
forAllWindows(mPerformLayout, true /* traverseTopToBottom */);
// Now perform layout of attached windows, which usually depend on the position of the
// window they are attached to. XXX does not deal with windows that are attached to windows
// that are themselves attached.
forAllWindows(mPerformLayoutAttached, true /* traverseTopToBottom */);
// Window frames may have changed. Tell the input dispatcher about it.
mInputMonitor.setUpdateInputWindowsNeededLw();
if (updateInputWindows) {
mInputMonitor.updateInputWindowsLw(false /*force*/);
}
}
/**
* Takes a snapshot of the display. In landscape mode this grabs the whole screen.
* In portrait mode, it grabs the full screenshot.
*/
Bitmap screenshotDisplayLocked() {
if (!mWmService.mPolicy.isScreenOn()) {
if (DEBUG_SCREENSHOT) {
Slog.i(TAG_WM, "Attempted to take screenshot while display was off.");
}
return null;
}
final ScreenRotationAnimation screenRotationAnimation =
mWmService.mRoot.getDisplayContent(DEFAULT_DISPLAY).getRotationAnimation();
final boolean inRotation = screenRotationAnimation != null &&
screenRotationAnimation.isAnimating();
if (DEBUG_SCREENSHOT && inRotation) Slog.v(TAG_WM, "Taking screenshot while rotating");
// Send invalid rect and no width and height since it will screenshot the entire display.
final IBinder displayToken = SurfaceControl.getInternalDisplayToken();
final SurfaceControl.DisplayCaptureArgs captureArgs =
new SurfaceControl.DisplayCaptureArgs.Builder(displayToken)
.setUseIdentityTransform(inRotation)
.build();
final SurfaceControl.ScreenshotHardwareBuffer screenshotBuffer =
SurfaceControl.captureDisplay(captureArgs);
final Bitmap bitmap = screenshotBuffer == null ? null : screenshotBuffer.asBitmap();
if (bitmap == null) {
Slog.w(TAG_WM, "Failed to take screenshot");
return null;
}
// Create a copy of the screenshot that is immutable and backed in ashmem.
// This greatly reduces the overhead of passing the bitmap between processes.
final Bitmap ret = bitmap.asShared();
if (ret != bitmap) {
bitmap.recycle();
}
return ret;
}
@Override
void onDescendantOverrideConfigurationChanged() {
setLayoutNeeded();
mWmService.requestTraversal();
}
@Override
boolean okToDisplay() {
return okToDisplay(false /* ignoreFrozen */, false /* ignoreScreenOn */);
}
boolean okToDisplay(boolean ignoreFrozen, boolean ignoreScreenOn) {
if (mDisplayId == DEFAULT_DISPLAY) {
return (!mWmService.mDisplayFrozen || ignoreFrozen)
&& mWmService.mDisplayEnabled
&& (ignoreScreenOn || mWmService.mPolicy.isScreenOn());
}
return mDisplayInfo.state == Display.STATE_ON;
}
@Override
boolean okToAnimate(boolean ignoreFrozen, boolean ignoreScreenOn) {
return okToDisplay(ignoreFrozen, ignoreScreenOn)
&& (mDisplayId != DEFAULT_DISPLAY
|| mWmService.mPolicy.okToAnimate(ignoreScreenOn))
&& getDisplayPolicy().isScreenOnFully();
}
static final class TaskForResizePointSearchResult implements Predicate<Task> {
private Task taskForResize;
private int x;
private int y;
private int delta;
private Rect mTmpRect = new Rect();
Task process(WindowContainer root, int x, int y, int delta) {
taskForResize = null;
this.x = x;
this.y = y;
this.delta = delta;
mTmpRect.setEmpty();
root.forAllTasks(this);
return taskForResize;
}
@Override
public boolean test(Task task) {
if (!task.getRootTask().getWindowConfiguration().canResizeTask()) {
return true;
}
if (task.getWindowingMode() == WINDOWING_MODE_FULLSCREEN) {
return true;
}
// TODO(b/165794880): Freeform task organizer doesn't support drag-resize yet. Remove
// the special case when it does.
if (task.isOrganized() && task.getWindowingMode() != WINDOWING_MODE_FREEFORM) {
return true;
}
// We need to use the task's dim bounds (which is derived from the visible bounds of
// its apps windows) for any touch-related tests. Can't use the task's original
// bounds because it might be adjusted to fit the content frame. One example is when
// the task is put to top-left quadrant, the actual visible area would not start at
// (0,0) after it's adjusted for the status bar.
task.getDimBounds(mTmpRect);
mTmpRect.inset(-delta, -delta);
if (mTmpRect.contains(x, y)) {
mTmpRect.inset(delta, delta);
if (!mTmpRect.contains(x, y)) {
taskForResize = task;
return true;
}
// User touched inside the task. No need to look further,
// focus transfer will be handled in ACTION_UP.
return true;
}
return false;
}
}
private static final class ApplySurfaceChangesTransactionState {
public boolean displayHasContent;
public boolean obscured;
public boolean syswin;
public boolean preferMinimalPostProcessing;
public float preferredRefreshRate;
public int preferredModeId;
public float preferredMinRefreshRate;
public float preferredMaxRefreshRate;
void reset() {
displayHasContent = false;
obscured = false;
syswin = false;
preferMinimalPostProcessing = false;
preferredRefreshRate = 0;
preferredModeId = 0;
preferredMinRefreshRate = 0;
preferredMaxRefreshRate = 0;
}
}
/**
* Container for IME windows.
*
* This has some special behaviors:
* - layers assignment is ignored except if setNeedsLayer() has been called before (and no
* layer has been assigned since), to facilitate assigning the layer from the IME target, or
* fall back if there is no target.
* - the container doesn't always participate in window traversal, according to
* {@link #skipImeWindowsDuringTraversal()}
*/
private static class ImeContainer extends DisplayArea.Tokens {
boolean mNeedsLayer = false;
ImeContainer(WindowManagerService wms) {
super(wms, Type.ABOVE_TASKS, "ImeContainer", FEATURE_IME);
}
public void setNeedsLayer() {
mNeedsLayer = true;
}
@Override
int getOrientation(int candidate) {
if (getIgnoreOrientationRequest()) {
return SCREEN_ORIENTATION_UNSET;
}
// IME does not participate in orientation.
return candidate;
}
@Override
void updateAboveInsetsState(InsetsState aboveInsetsState,
SparseArray<InsetsSourceProvider> localInsetsSourceProvidersFromParent,
ArraySet<WindowState> insetsChangedWindows) {
if (skipImeWindowsDuringTraversal(mDisplayContent)) {
return;
}
super.updateAboveInsetsState(aboveInsetsState, localInsetsSourceProvidersFromParent,
insetsChangedWindows);
}
@Override
boolean forAllWindows(ToBooleanFunction<WindowState> callback,
boolean traverseTopToBottom) {
final DisplayContent dc = mDisplayContent;
if (skipImeWindowsDuringTraversal(dc)) {
return false;
}
return super.forAllWindows(callback, traverseTopToBottom);
}
private static boolean skipImeWindowsDuringTraversal(DisplayContent dc) {
// We skip IME windows so they're processed just above their target.
// Note that this method check should align with {@link
// WindowState#applyImeWindowsIfNeeded} in case of any state mismatch.
return dc.mImeLayeringTarget != null
// Make sure that the IME window won't be skipped to report that it has
// completed the orientation change.
&& !dc.mWmService.mDisplayFrozen;
}
/** Like {@link #forAllWindows}, but ignores {@link #skipImeWindowsDuringTraversal} */
boolean forAllWindowForce(ToBooleanFunction<WindowState> callback,
boolean traverseTopToBottom) {
return super.forAllWindows(callback, traverseTopToBottom);
}
@Override
void assignLayer(Transaction t, int layer) {
if (!mNeedsLayer) {
return;
}
super.assignLayer(t, layer);
mNeedsLayer = false;
}
@Override
void assignRelativeLayer(Transaction t, SurfaceControl relativeTo, int layer,
boolean forceUpdate) {
if (!mNeedsLayer) {
return;
}
super.assignRelativeLayer(t, relativeTo, layer, forceUpdate);
mNeedsLayer = false;
}
@Override
void setOrganizer(IDisplayAreaOrganizer organizer, boolean skipDisplayAreaAppeared) {
super.setOrganizer(organizer, skipDisplayAreaAppeared);
mDisplayContent.updateImeParent();
// If the ImeContainer was previously unorganized then the framework might have
// reparented its surface control under an activity so we need to reparent it back
// under its parent.
if (organizer != null) {
final SurfaceControl imeParentSurfaceControl = getParentSurfaceControl();
if (mSurfaceControl != null && imeParentSurfaceControl != null) {
ProtoLog.i(WM_DEBUG_IME, "ImeContainer just became organized. Reparenting "
+ "under parent. imeParentSurfaceControl=%s", imeParentSurfaceControl);
getPendingTransaction().reparent(mSurfaceControl, imeParentSurfaceControl);
} else {
ProtoLog.e(WM_DEBUG_IME, "ImeContainer just became organized but it doesn't "
+ "have a parent or the parent doesn't have a surface control."
+ " mSurfaceControl=%s imeParentSurfaceControl=%s",
mSurfaceControl, imeParentSurfaceControl);
}
}
}
}
@Override
SurfaceSession getSession() {
return mSession;
}
@Override
SurfaceControl.Builder makeChildSurface(WindowContainer child) {
SurfaceSession s = child != null ? child.getSession() : getSession();
final SurfaceControl.Builder b = mWmService.makeSurfaceBuilder(s).setContainerLayer();
if (child == null) {
return b;
}
return b.setName(child.getName())
.setParent(mSurfaceControl);
}
/**
* The makeSurface variants are for use by the window-container
* hierarchy. makeOverlay here is a function for various non windowing
* overlays like the ScreenRotation screenshot, the Strict Mode Flash
* and other potpourii.
*/
SurfaceControl.Builder makeOverlay() {
return mWmService.makeSurfaceBuilder(mSession).setParent(getOverlayLayer());
}
@Override
public SurfaceControl.Builder makeAnimationLeash() {
return mWmService.makeSurfaceBuilder(mSession).setParent(mSurfaceControl)
.setContainerLayer();
}
/**
* Reparents the given surface to {@link #mOverlayLayer} SurfaceControl.
*/
void reparentToOverlay(Transaction transaction, SurfaceControl surface) {
transaction.reparent(surface, getOverlayLayer());
}
void applyMagnificationSpec(MagnificationSpec spec) {
if (spec.scale != 1.0) {
mMagnificationSpec = spec;
} else {
mMagnificationSpec = null;
}
// Re-parent IME's SurfaceControl when MagnificationSpec changed.
updateImeParent();
if (spec.scale != 1.0) {
applyMagnificationSpec(getPendingTransaction(), spec);
} else {
clearMagnificationSpec(getPendingTransaction());
}
getPendingTransaction().apply();
}
void reapplyMagnificationSpec() {
if (mMagnificationSpec != null) {
applyMagnificationSpec(getPendingTransaction(), mMagnificationSpec);
}
}
@Override
void onParentChanged(ConfigurationContainer newParent, ConfigurationContainer oldParent) {
// Since we are the top of the SurfaceControl hierarchy here
// we create the root surfaces explicitly rather than chaining
// up as the default implementation in onParentChanged does. So we
// explicitly do NOT call super here.
if (!isReady()) {
// TODO(b/62541591): evaluate whether this is the best spot to declare the
// {@link DisplayContent} ready for use.
mDisplayReady = true;
mWmService.mAnimator.addDisplayLocked(mDisplayId);
if (mWmService.mDisplayManagerInternal != null) {
mWmService.mDisplayManagerInternal
.setDisplayInfoOverrideFromWindowManager(mDisplayId, getDisplayInfo());
configureDisplayPolicy();
}
reconfigureDisplayLocked();
onRequestedOverrideConfigurationChanged(getRequestedOverrideConfiguration());
mWmService.mDisplayNotificationController.dispatchDisplayAdded(this);
// Attach the SystemUiContext to this DisplayContent the get latest configuration.
// Note that the SystemUiContext will be removed automatically if this DisplayContent
// is detached.
mWmService.mWindowContextListenerController.registerWindowContainerListener(
getDisplayUiContext().getWindowContextToken(), this, SYSTEM_UID,
INVALID_WINDOW_TYPE, null /* options */);
}
}
@Override
void assignChildLayers(SurfaceControl.Transaction t) {
assignRelativeLayerForIme(t, false /* forceUpdate */);
super.assignChildLayers(t);
}
private void assignRelativeLayerForIme(SurfaceControl.Transaction t, boolean forceUpdate) {
if (mImeWindowsContainer.isOrganized()) {
if (DEBUG_INPUT_METHOD) {
Slog.i(TAG_WM, "ImeContainer is organized. Skip assignRelativeLayerForIme.");
}
// Leave the ImeContainer where the DisplayAreaPolicy placed it.
// When using FEATURE_IME, Organizer assumes the responsibility for placing the surface.
return;
}
mImeWindowsContainer.setNeedsLayer();
final WindowState imeTarget = mImeLayeringTarget;
// In the case where we have an IME target that is not in split-screen mode IME
// assignment is easy. We just need the IME to go directly above the target. This way
// children of the target will naturally go above the IME and everyone is happy.
//
// In the case of split-screen windowing mode, we need to elevate the IME above the
// docked divider while keeping the app itself below the docked divider, so instead
// we will put the docked divider below the IME. @see #assignRelativeLayerForImeTargetChild
//
// In the case where we have no IME target we let its window parent to place it.
//
// Keep IME window in surface parent as long as app's starting window
// exists so it get's layered above the starting window.
if (imeTarget != null && !(imeTarget.mActivityRecord != null
&& imeTarget.mActivityRecord.hasStartingWindow())) {
final WindowToken imeControlTargetToken =
mImeControlTarget != null && mImeControlTarget.getWindow() != null
? mImeControlTarget.getWindow().mToken : null;
final boolean canImeTargetSetRelativeLayer = imeTarget.getSurfaceControl() != null
&& imeTarget.mToken == imeControlTargetToken
&& !imeTarget.inMultiWindowMode();
if (canImeTargetSetRelativeLayer) {
mImeWindowsContainer.assignRelativeLayer(t, imeTarget.getSurfaceControl(),
// TODO: We need to use an extra level on the app surface to ensure
// this is always above SurfaceView but always below attached window.
1, forceUpdate);
return;
}
}
if (mInputMethodSurfaceParent != null) {
// The IME surface parent may not be its window parent's surface
// (@see #computeImeParent), so set relative layer here instead of letting the window
// parent to assign layer.
mImeWindowsContainer.assignRelativeLayer(t, mInputMethodSurfaceParent, 1, forceUpdate);
}
}
/**
* Here we satisfy an unfortunate special case of the IME in split-screen mode. Imagine
* that the IME target is one of the docked applications. We'd like the docked divider to be
* above both of the applications, and we'd like the IME to be above the docked divider.
* However we need child windows of the applications to be above the IME (Text drag handles).
* This is a non-strictly hierarcical layering and we need to break out of the Z ordering
* somehow. We do this by relatively ordering children of the target to the IME in cooperation
* with {@link WindowState#assignLayer}
*/
void assignRelativeLayerForImeTargetChild(SurfaceControl.Transaction t, WindowContainer child) {
child.assignRelativeLayer(t, mImeWindowsContainer.getSurfaceControl(), 1);
}
@Override
void prepareSurfaces() {
Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "prepareSurfaces");
try {
final Transaction transaction = getPendingTransaction();
super.prepareSurfaces();
// TODO: Once we totally eliminate global transaction we will pass transaction in here
// rather than merging to global.
SurfaceControl.mergeToGlobalTransaction(transaction);
} finally {
Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER);
}
}
/**
* Increment the deferral count to determine whether to update the IME target.
*/
void deferUpdateImeTarget() {
if (mDeferUpdateImeTargetCount == 0) {
mUpdateImeRequestedWhileDeferred = false;
}
mDeferUpdateImeTargetCount++;
}
/**
* Decrement the deferral count to determine whether to update the IME target. If the count
* reaches 0, a new ime target will get computed.
*/
void continueUpdateImeTarget() {
if (mDeferUpdateImeTargetCount == 0) {
return;
}
mDeferUpdateImeTargetCount--;
if (mDeferUpdateImeTargetCount == 0 && mUpdateImeRequestedWhileDeferred) {
computeImeTarget(true /* updateImeTarget */);
}
}
/**
* @return Whether a new IME target should be computed.
*/
private boolean canUpdateImeTarget() {
return mDeferUpdateImeTargetCount == 0;
}
InputMonitor getInputMonitor() {
return mInputMonitor;
}
/**
* @return Cached value whether we told display manager that we have content.
*/
boolean getLastHasContent() {
return mLastHasContent;
}
@VisibleForTesting
void setLastHasContent() {
mLastHasContent = true;
}
void registerPointerEventListener(@NonNull PointerEventListener listener) {
mPointerEventDispatcher.registerInputEventListener(listener);
}
void unregisterPointerEventListener(@NonNull PointerEventListener listener) {
mPointerEventDispatcher.unregisterInputEventListener(listener);
}
/**
* Transfer app transition from other display to this display.
*
* @param from Display from where the app transition is transferred.
*
* TODO(new-app-transition): Remove this once the shell handles app transition.
*/
void transferAppTransitionFrom(DisplayContent from) {
final boolean prepared = mAppTransition.transferFrom(from.mAppTransition);
if (prepared && okToAnimate()) {
mSkipAppTransitionAnimation = false;
}
}
/**
* @deprecated new transition should use {@link #requestTransitionAndLegacyPrepare(int, int)}
*/
@Deprecated
void prepareAppTransition(@WindowManager.TransitionType int transit) {
prepareAppTransition(transit, 0 /* flags */);
}
/**
* @deprecated new transition should use {@link #requestTransitionAndLegacyPrepare(int, int)}
*/
@Deprecated
void prepareAppTransition(@WindowManager.TransitionType int transit,
@WindowManager.TransitionFlags int flags) {
final boolean prepared = mAppTransition.prepareAppTransition(transit, flags);
if (prepared && okToAnimate() && transit != TRANSIT_NONE) {
mSkipAppTransitionAnimation = false;
}
}
/**
* Helper that both requests a transition (using the new transition system) and prepares
* the legacy transition system. Use this when both systems have the same start-point.
*
* @see TransitionController#requestTransitionIfNeeded(int, int, WindowContainer,
* WindowContainer)
* @see AppTransition#prepareAppTransition
*/
void requestTransitionAndLegacyPrepare(@WindowManager.TransitionType int transit,
@WindowManager.TransitionFlags int flags) {
prepareAppTransition(transit, flags);
mTransitionController.requestTransitionIfNeeded(transit, flags,
null /* trigger */, this);
}
/** @see #requestTransitionAndLegacyPrepare(int, int) */
void requestTransitionAndLegacyPrepare(@WindowManager.TransitionType int transit,
@Nullable WindowContainer trigger) {
prepareAppTransition(transit);
mTransitionController.requestTransitionIfNeeded(transit, 0 /* flags */,
trigger, this);
}
void executeAppTransition() {
mTransitionController.setReady(this);
if (mAppTransition.isTransitionSet()) {
ProtoLog.w(WM_DEBUG_APP_TRANSITIONS,
"Execute app transition: %s, displayId: %d Callers=%s",
mAppTransition, mDisplayId, Debug.getCallers(5));
mAppTransition.setReady();
mWmService.mWindowPlacerLocked.requestTraversal();
}
}
void cancelAppTransition() {
if (!mAppTransition.isTransitionSet() || mAppTransition.isRunning()) return;
mAppTransition.abort();
}
/**
* Update pendingLayoutChanges after app transition has finished.
*/
void handleAnimatingStoppedAndTransition() {
int changes = 0;
mAppTransition.setIdle();
for (int i = mNoAnimationNotifyOnTransitionFinished.size() - 1; i >= 0; i--) {
final IBinder token = mNoAnimationNotifyOnTransitionFinished.get(i);
mAppTransition.notifyAppTransitionFinishedLocked(token);
}
mNoAnimationNotifyOnTransitionFinished.clear();
mWallpaperController.hideDeferredWallpapersIfNeededLegacy();
onAppTransitionDone();
changes |= FINISH_LAYOUT_REDO_LAYOUT;
ProtoLog.v(WM_DEBUG_WALLPAPER, "Wallpaper layer changed: assigning layers + relayout");
computeImeTarget(true /* updateImeTarget */);
mWallpaperMayChange = true;
// Since the window list has been rebuilt, focus might have to be recomputed since the
// actual order of windows might have changed again.
mWmService.mFocusMayChange = true;
pendingLayoutChanges |= changes;
}
/** Check if pending app transition is for activity / task launch. */
boolean isNextTransitionForward() {
// TODO(b/191375840): decouple "forwardness" from transition system.
if (mTransitionController.isShellTransitionsEnabled()) {
@WindowManager.TransitionType int type =
mTransitionController.getCollectingTransitionType();
return type == TRANSIT_OPEN || type == TRANSIT_TO_FRONT;
}
return mAppTransition.containsTransitRequest(TRANSIT_OPEN)
|| mAppTransition.containsTransitRequest(TRANSIT_TO_FRONT);
}
/**
* @see Display#FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS
*/
boolean supportsSystemDecorations() {
return (mWmService.mDisplayWindowSettings.shouldShowSystemDecorsLocked(this)
|| (mDisplay.getFlags() & FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS) != 0
|| forceDesktopMode())
// VR virtual display will be used to run and render 2D app within a VR experience.
&& mDisplayId != mWmService.mVr2dDisplayId
// Do not show system decorations on untrusted virtual display.
&& isTrusted();
}
SurfaceControl getWindowingLayer() {
return mWindowingLayer;
}
DisplayArea.Tokens getImeContainer() {
return mImeWindowsContainer;
}
SurfaceControl getOverlayLayer() {
return mOverlayLayer;
}
SurfaceControl[] findRoundedCornerOverlays() {
List<SurfaceControl> roundedCornerOverlays = new ArrayList<>();
for (WindowToken token : mTokenMap.values()) {
if (token.mRoundedCornerOverlay) {
roundedCornerOverlays.add(token.mSurfaceControl);
}
}
return roundedCornerOverlays.toArray(new SurfaceControl[0]);
}
/**
* Updates the display's system gesture exclusion.
*
* @return true, if the exclusion changed.
*/
boolean updateSystemGestureExclusion() {
if (mSystemGestureExclusionListeners.getRegisteredCallbackCount() == 0) {
// No one's interested anyways.
return false;
}
final Region systemGestureExclusion = Region.obtain();
mSystemGestureExclusionWasRestricted = calculateSystemGestureExclusion(
systemGestureExclusion, mSystemGestureExclusionUnrestricted);
try {
if (mSystemGestureExclusion.equals(systemGestureExclusion)) {
return false;
}
mSystemGestureExclusion.set(systemGestureExclusion);
final Region unrestrictedOrNull = mSystemGestureExclusionWasRestricted
? mSystemGestureExclusionUnrestricted : null;
for (int i = mSystemGestureExclusionListeners.beginBroadcast() - 1; i >= 0; --i) {
try {
mSystemGestureExclusionListeners.getBroadcastItem(i)
.onSystemGestureExclusionChanged(mDisplayId, systemGestureExclusion,
unrestrictedOrNull);
} catch (RemoteException e) {
Slog.e(TAG, "Failed to notify SystemGestureExclusionListener", e);
}
}
mSystemGestureExclusionListeners.finishBroadcast();
return true;
} finally {
systemGestureExclusion.recycle();
}
}
/**
* Calculates the system gesture exclusion.
*
* @param outExclusion will be set to the gesture exclusion region
* @param outExclusionUnrestricted will be set to the gesture exclusion region without
* any restrictions applied.
* @return whether any restrictions were applied, i.e. outExclusion and outExclusionUnrestricted
* differ.
*/
@VisibleForTesting
boolean calculateSystemGestureExclusion(Region outExclusion, @Nullable
Region outExclusionUnrestricted) {
outExclusion.setEmpty();
if (outExclusionUnrestricted != null) {
outExclusionUnrestricted.setEmpty();
}
final Region unhandled = Region.obtain();
unhandled.set(0, 0, mDisplayFrames.mDisplayWidth, mDisplayFrames.mDisplayHeight);
final Rect leftEdge = mInsetsStateController.getSourceProvider(ITYPE_LEFT_GESTURES)
.getSource().getFrame();
final Rect rightEdge = mInsetsStateController.getSourceProvider(ITYPE_RIGHT_GESTURES)
.getSource().getFrame();
final Region touchableRegion = Region.obtain();
final Region local = Region.obtain();
final int[] remainingLeftRight =
{mSystemGestureExclusionLimit, mSystemGestureExclusionLimit};
final RecentsAnimationController recentsAnimationController =
mWmService.getRecentsAnimationController();
// Traverse all windows top down to assemble the gesture exclusion rects.
// For each window, we only take the rects that fall within its touchable region.
forAllWindows(w -> {
final boolean ignoreRecentsAnimationTarget = recentsAnimationController != null
&& recentsAnimationController.shouldApplyInputConsumer(w.getActivityRecord());
if (!w.canReceiveTouchInput() || !w.isVisible()
|| (w.getAttrs().flags & FLAG_NOT_TOUCHABLE) != 0
|| unhandled.isEmpty()
|| ignoreRecentsAnimationTarget) {
return;
}
// Get the touchable region of the window, and intersect with where the screen is still
// touchable, i.e. touchable regions on top are not covering it yet.
w.getEffectiveTouchableRegion(touchableRegion);
touchableRegion.op(unhandled, Op.INTERSECT);
if (w.isImplicitlyExcludingAllSystemGestures()) {
local.set(touchableRegion);
} else {
rectListToRegion(w.getSystemGestureExclusion(), local);
// Transform to display coordinates
local.scale(w.mGlobalScale);
final Rect frame = w.getWindowFrames().mFrame;
local.translate(frame.left, frame.top);
// A window can only exclude system gestures where it is actually touchable
local.op(touchableRegion, Op.INTERSECT);
}
// Apply restriction if necessary.
if (needsGestureExclusionRestrictions(w, false /* ignoreRequest */)) {
// Processes the region along the left edge.
remainingLeftRight[0] = addToGlobalAndConsumeLimit(local, outExclusion, leftEdge,
remainingLeftRight[0], w, EXCLUSION_LEFT);
// Processes the region along the right edge.
remainingLeftRight[1] = addToGlobalAndConsumeLimit(local, outExclusion, rightEdge,
remainingLeftRight[1], w, EXCLUSION_RIGHT);
// Adds the middle (unrestricted area)
final Region middle = Region.obtain(local);
middle.op(leftEdge, Op.DIFFERENCE);
middle.op(rightEdge, Op.DIFFERENCE);
outExclusion.op(middle, Op.UNION);
middle.recycle();
} else {
boolean loggable = needsGestureExclusionRestrictions(w, true /* ignoreRequest */);
if (loggable) {
addToGlobalAndConsumeLimit(local, outExclusion, leftEdge,
Integer.MAX_VALUE, w, EXCLUSION_LEFT);
addToGlobalAndConsumeLimit(local, outExclusion, rightEdge,
Integer.MAX_VALUE, w, EXCLUSION_RIGHT);
}
outExclusion.op(local, Op.UNION);
}
if (outExclusionUnrestricted != null) {
outExclusionUnrestricted.op(local, Op.UNION);
}
unhandled.op(touchableRegion, Op.DIFFERENCE);
}, true /* topToBottom */);
local.recycle();
touchableRegion.recycle();
unhandled.recycle();
return remainingLeftRight[0] < mSystemGestureExclusionLimit
|| remainingLeftRight[1] < mSystemGestureExclusionLimit;
}
/**
* Returns whether gesture exclusion area should be restricted from the window depending on the
* window/activity types and the requested navigation bar visibility and the behavior.
*
* @param win The target window.
* @param ignoreRequest If this is {@code true}, only the window/activity types are considered.
* @return {@code true} if the gesture exclusion restrictions are needed.
*/
private static boolean needsGestureExclusionRestrictions(WindowState win,
boolean ignoreRequest) {
final int type = win.mAttrs.type;
final boolean stickyHideNav =
!win.getRequestedVisibility(ITYPE_NAVIGATION_BAR)
&& win.mAttrs.insetsFlags.behavior == BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE;
return (!stickyHideNav || ignoreRequest) && type != TYPE_INPUT_METHOD
&& type != TYPE_NOTIFICATION_SHADE && win.getActivityType() != ACTIVITY_TYPE_HOME;
}
/**
* @return Whether gesture exclusion area should be logged for the given window
*/
static boolean logsGestureExclusionRestrictions(WindowState win) {
if (win.mWmService.mConstants.mSystemGestureExclusionLogDebounceTimeoutMillis <= 0) {
return false;
}
final WindowManager.LayoutParams attrs = win.getAttrs();
final int type = attrs.type;
return type != TYPE_WALLPAPER
&& type != TYPE_APPLICATION_STARTING
&& type != TYPE_NAVIGATION_BAR
&& (attrs.flags & FLAG_NOT_TOUCHABLE) == 0
&& needsGestureExclusionRestrictions(win, true /* ignoreRequest */)
&& win.getDisplayContent().mDisplayPolicy.hasSideGestures();
}
/**
* Adds a local gesture exclusion area to the global area while applying a limit per edge.
*
* @param local The gesture exclusion area to add.
* @param global The destination.
* @param edge Only processes the part in that region.
* @param limit How much limit in pixels we have.
* @param win The WindowState that is being processed
* @param side The side that is being processed, either {@link WindowState#EXCLUSION_LEFT} or
* {@link WindowState#EXCLUSION_RIGHT}
* @return How much of the limit is remaining.
*/
private static int addToGlobalAndConsumeLimit(Region local, Region global, Rect edge,
int limit, WindowState win, int side) {
final Region r = Region.obtain(local);
r.op(edge, Op.INTERSECT);
final int[] remaining = {limit};
final int[] requestedExclusion = {0};
forEachRectReverse(r, rect -> {
if (remaining[0] <= 0) {
return;
}
final int height = rect.height();
requestedExclusion[0] += height;
if (height > remaining[0]) {
rect.top = rect.bottom - remaining[0];
}
remaining[0] -= height;
global.op(rect, Op.UNION);
});
final int grantedExclusion = limit - remaining[0];
win.setLastExclusionHeights(side, requestedExclusion[0], grantedExclusion);
r.recycle();
return remaining[0];
}
void registerSystemGestureExclusionListener(ISystemGestureExclusionListener listener) {
mSystemGestureExclusionListeners.register(listener);
final boolean changed;
if (mSystemGestureExclusionListeners.getRegisteredCallbackCount() == 1) {
changed = updateSystemGestureExclusion();
} else {
changed = false;
}
if (!changed) {
final Region unrestrictedOrNull = mSystemGestureExclusionWasRestricted
? mSystemGestureExclusionUnrestricted : null;
// If updateSystemGestureExclusion changed the exclusion, it will already have
// notified the listener. Otherwise, we'll do it here.
try {
listener.onSystemGestureExclusionChanged(mDisplayId, mSystemGestureExclusion,
unrestrictedOrNull);
} catch (RemoteException e) {
Slog.e(TAG, "Failed to notify SystemGestureExclusionListener during register", e);
}
}
}
void unregisterSystemGestureExclusionListener(ISystemGestureExclusionListener listener) {
mSystemGestureExclusionListeners.unregister(listener);
}
void updateKeepClearAreas() {
final Set<Rect> restrictedKeepClearAreas = new ArraySet<>();
final Set<Rect> unrestrictedKeepClearAreas = new ArraySet<>();
getKeepClearAreas(restrictedKeepClearAreas, unrestrictedKeepClearAreas);
if (!mRestrictedKeepClearAreas.equals(restrictedKeepClearAreas)
|| !mUnrestrictedKeepClearAreas.equals(unrestrictedKeepClearAreas)) {
mRestrictedKeepClearAreas = restrictedKeepClearAreas;
mUnrestrictedKeepClearAreas = unrestrictedKeepClearAreas;
mWmService.mDisplayNotificationController.dispatchKeepClearAreasChanged(
this, restrictedKeepClearAreas, unrestrictedKeepClearAreas);
}
}
/**
* Fills {@param outRestricted} with all keep-clear areas from visible, relevant windows
* on this display, which set restricted keep-clear areas.
* Fills {@param outUnrestricted} with keep-clear areas from visible, relevant windows on this
* display, which set unrestricted keep-clear areas.
*
* For context on restricted vs unrestricted keep-clear areas, see
* {@link android.Manifest.permission.SET_UNRESTRICTED_KEEP_CLEAR_AREAS}.
*/
void getKeepClearAreas(Set<Rect> outRestricted, Set<Rect> outUnrestricted) {
final Matrix tmpMatrix = new Matrix();
final float[] tmpFloat9 = new float[9];
forAllWindows(w -> {
if (w.isVisible() && !w.inPinnedWindowingMode()) {
w.getKeepClearAreas(outRestricted, outUnrestricted, tmpMatrix, tmpFloat9);
}
// We stop traversing when we reach the base of a fullscreen app.
return w.getWindowType() == TYPE_BASE_APPLICATION
&& w.getWindowingMode() == WINDOWING_MODE_FULLSCREEN;
}, true);
}
/**
* Returns all keep-clear areas from visible, relevant windows on this display.
*/
Set<Rect> getKeepClearAreas() {
final Set<Rect> keepClearAreas = new ArraySet<>();
getKeepClearAreas(keepClearAreas, keepClearAreas);
return keepClearAreas;
}
protected MetricsLogger getMetricsLogger() {
if (mMetricsLogger == null) {
mMetricsLogger = new MetricsLogger();
}
return mMetricsLogger;
}
void onDisplayChanged() {
final int lastDisplayState = mDisplayInfo.state;
updateDisplayInfo();
// The window policy is responsible for stopping activities on the default display.
final int displayId = mDisplay.getDisplayId();
final int displayState = mDisplayInfo.state;
if (displayId != DEFAULT_DISPLAY) {
if (displayState == Display.STATE_OFF) {
mOffTokenAcquirer.acquire(mDisplayId);
} else if (displayState == Display.STATE_ON) {
mOffTokenAcquirer.release(mDisplayId);
}
ProtoLog.v(WM_DEBUG_CONTENT_RECORDING,
"Display %d state is now (%d), so update recording?",
mDisplayId, displayState);
if (lastDisplayState != displayState) {
// If state is on due to surface being added, then start recording.
// If state is off due to surface being removed, then stop recording.
updateRecording();
}
}
// Dispatch pending Configuration to WindowContext if the associated display changes to
// un-suspended state from suspended.
if (isSuspendedState(lastDisplayState)
&& !isSuspendedState(displayState) && displayState != STATE_UNKNOWN) {
mWmService.mWindowContextListenerController
.dispatchPendingConfigurationIfNeeded(mDisplayId);
}
mWmService.requestTraversal();
}
static boolean alwaysCreateRootTask(int windowingMode, int activityType) {
// Always create a root task for fullscreen, freeform, and multi windowing
// modes so that we can manage visual ordering and return types correctly.
return activityType == ACTIVITY_TYPE_STANDARD
&& (windowingMode == WINDOWING_MODE_FULLSCREEN
|| windowingMode == WINDOWING_MODE_FREEFORM
|| windowingMode == WINDOWING_MODE_PINNED
|| windowingMode == WINDOWING_MODE_MULTI_WINDOW);
}
@Nullable
Task getFocusedRootTask() {
return getItemFromTaskDisplayAreas(TaskDisplayArea::getFocusedRootTask);
}
/**
* Removes root tasks in the input windowing modes from the system if they are of activity type
* ACTIVITY_TYPE_STANDARD or ACTIVITY_TYPE_UNDEFINED
*/
void removeRootTasksInWindowingModes(int... windowingModes) {
if (windowingModes == null || windowingModes.length == 0) {
return;
}
// Collect the root tasks that are necessary to be removed instead of performing the removal
// by looping the children, so that we don't miss any root tasks after the children size
// changed or reordered.
final ArrayList<Task> rootTasks = new ArrayList<>();
forAllRootTasks(rootTask -> {
for (int windowingMode : windowingModes) {
if (rootTask.mCreatedByOrganizer
|| rootTask.getWindowingMode() != windowingMode
|| !rootTask.isActivityTypeStandardOrUndefined()) {
continue;
}
rootTasks.add(rootTask);
}
});
for (int i = rootTasks.size() - 1; i >= 0; --i) {
mRootWindowContainer.mTaskSupervisor.removeRootTask(rootTasks.get(i));
}
}
void removeRootTasksWithActivityTypes(int... activityTypes) {
if (activityTypes == null || activityTypes.length == 0) {
return;
}
// Collect the root tasks that are necessary to be removed instead of performing the removal
// by looping the children, so that we don't miss any root tasks after the children size
// changed or reordered.
final ArrayList<Task> rootTasks = new ArrayList<>();
forAllRootTasks(rootTask -> {
for (int activityType : activityTypes) {
// Collect the root tasks that are currently being organized.
if (rootTask.mCreatedByOrganizer) {
for (int k = rootTask.getChildCount() - 1; k >= 0; --k) {
final Task task = (Task) rootTask.getChildAt(k);
if (task.getActivityType() == activityType) {
rootTasks.add(task);
}
}
} else if (rootTask.getActivityType() == activityType) {
rootTasks.add(rootTask);
}
}
});
for (int i = rootTasks.size() - 1; i >= 0; --i) {
mRootWindowContainer.mTaskSupervisor.removeRootTask(rootTasks.get(i));
}
}
ActivityRecord topRunningActivity() {
return topRunningActivity(false /* considerKeyguardState */);
}
/**
* Returns the top running activity in the focused root task. In the case the focused root
* task has no such activity, the next focusable root task on this display is returned.
*
* @param considerKeyguardState Indicates whether the locked state should be considered. if
* {@code true} and the keyguard is locked, only activities that
* can be shown on top of the keyguard will be considered.
* @return The top running activity. {@code null} if none is available.
*/
@Nullable
ActivityRecord topRunningActivity(boolean considerKeyguardState) {
return getItemFromTaskDisplayAreas(taskDisplayArea ->
taskDisplayArea.topRunningActivity(considerKeyguardState));
}
boolean updateDisplayOverrideConfigurationLocked() {
// Preemptively cancel the running recents animation -- SysUI can't currently handle this
// case properly since the signals it receives all happen post-change
final RecentsAnimationController recentsAnimationController =
mWmService.getRecentsAnimationController();
if (recentsAnimationController != null) {
recentsAnimationController.cancelAnimationForDisplayChange();
}
Configuration values = new Configuration();
computeScreenConfiguration(values);
mAtmService.mH.sendMessage(PooledLambda.obtainMessage(
ActivityManagerInternal::updateOomLevelsForDisplay, mAtmService.mAmInternal,
mDisplayId));
Settings.System.clearConfiguration(values);
updateDisplayOverrideConfigurationLocked(values, null /* starting */,
false /* deferResume */, mAtmService.mTmpUpdateConfigurationResult);
return mAtmService.mTmpUpdateConfigurationResult.changes != 0;
}
/**
* Updates override configuration specific for the selected display. If no config is provided,
* new one will be computed in WM based on current display info.
*/
boolean updateDisplayOverrideConfigurationLocked(Configuration values,
ActivityRecord starting, boolean deferResume,
ActivityTaskManagerService.UpdateConfigurationResult result) {
int changes = 0;
boolean kept = true;
mAtmService.deferWindowLayout();
try {
if (values != null) {
if (mDisplayId == DEFAULT_DISPLAY) {
// Override configuration of the default display duplicates global config, so
// we're calling global config update instead for default display. It will also
// apply the correct override config.
changes = mAtmService.updateGlobalConfigurationLocked(values,
false /* initLocale */, false /* persistent */,
UserHandle.USER_NULL /* userId */);
} else {
changes = performDisplayOverrideConfigUpdate(values);
}
}
if (!deferResume) {
kept = mAtmService.ensureConfigAndVisibilityAfterUpdate(starting, changes);
}
} finally {
mAtmService.continueWindowLayout();
}
if (result != null) {
result.changes = changes;
result.activityRelaunched = !kept;
}
return kept;
}
int performDisplayOverrideConfigUpdate(Configuration values) {
mTempConfig.setTo(getRequestedOverrideConfiguration());
final int changes = mTempConfig.updateFrom(values);
if (changes != 0) {
Slog.i(TAG, "Override config changes=" + Integer.toHexString(changes) + " "
+ mTempConfig + " for displayId=" + mDisplayId);
onRequestedOverrideConfigurationChanged(mTempConfig);
final boolean isDensityChange = (changes & ActivityInfo.CONFIG_DENSITY) != 0;
if (isDensityChange && mDisplayId == DEFAULT_DISPLAY) {
mAtmService.mAppWarnings.onDensityChanged();
// Post message to start process to avoid possible deadlock of calling into AMS with
// the ATMS lock held.
final Message msg = PooledLambda.obtainMessage(
ActivityManagerInternal::killAllBackgroundProcessesExcept,
mAtmService.mAmInternal, N,
ActivityManager.PROCESS_STATE_IMPORTANT_FOREGROUND);
mAtmService.mH.sendMessage(msg);
}
mWmService.mDisplayNotificationController.dispatchDisplayChanged(
this, getConfiguration());
if (isReady() && mTransitionController.isShellTransitionsEnabled()) {
requestChangeTransitionIfNeeded(changes, null /* displayChange */);
}
}
return changes;
}
@Override
public void onRequestedOverrideConfigurationChanged(Configuration overrideConfiguration) {
final Configuration currOverrideConfig = getRequestedOverrideConfiguration();
final int currRotation = currOverrideConfig.windowConfiguration.getRotation();
final int overrideRotation = overrideConfiguration.windowConfiguration.getRotation();
if (currRotation != ROTATION_UNDEFINED && overrideRotation != ROTATION_UNDEFINED
&& currRotation != overrideRotation) {
applyRotationAndFinishFixedRotation(currRotation, overrideRotation);
}
mCurrentOverrideConfigurationChanges = currOverrideConfig.diff(overrideConfiguration);
super.onRequestedOverrideConfigurationChanged(overrideConfiguration);
mCurrentOverrideConfigurationChanges = 0;
if (mWaitingForConfig) {
mWaitingForConfig = false;
mWmService.mLastFinishedFreezeSource = "new-config";
}
mAtmService.addWindowLayoutReasons(
ActivityTaskManagerService.LAYOUT_REASON_CONFIG_CHANGED);
}
@Override
void onResize() {
super.onResize();
if (mWmService.mAccessibilityController.hasCallbacks()) {
mWmService.mAccessibilityController.onDisplaySizeChanged(this);
}
}
/**
* If the launching rotated activity ({@link #mFixedRotationLaunchingApp}) is null, it simply
* applies the rotation to display. Otherwise because the activity has shown as rotated, the
* fixed rotation transform also needs to be cleared to make sure the rotated activity fits
* the display naturally.
*/
private void applyRotationAndFinishFixedRotation(int oldRotation, int newRotation) {
final WindowToken rotatedLaunchingApp = mFixedRotationLaunchingApp;
if (rotatedLaunchingApp == null) {
applyRotation(oldRotation, newRotation);
return;
}
rotatedLaunchingApp.finishFixedRotationTransform(
() -> applyRotation(oldRotation, newRotation));
setFixedRotationLaunchingAppUnchecked(null);
}
/** Checks whether the given activity is in size compatibility mode and notifies the change. */
void handleActivitySizeCompatModeIfNeeded(ActivityRecord r) {
final Task organizedTask = r.getOrganizedTask();
if (organizedTask == null) {
mActiveSizeCompatActivities.remove(r);
return;
}
if (r.isState(RESUMED) && r.inSizeCompatMode()) {
if (mActiveSizeCompatActivities.add(r)) {
// Trigger task event for new size compat activity.
organizedTask.onSizeCompatActivityChanged();
}
return;
}
if (mActiveSizeCompatActivities.remove(r)) {
// Trigger task event for activity no longer in foreground size compat.
organizedTask.onSizeCompatActivityChanged();
}
}
boolean isUidPresent(int uid) {
final PooledPredicate p = PooledLambda.obtainPredicate(
ActivityRecord::isUid, PooledLambda.__(ActivityRecord.class), uid);
final boolean isUidPresent = mDisplayContent.getActivity(p) != null;
p.recycle();
return isUidPresent;
}
/**
* @see #mRemoved
*/
boolean isRemoved() {
return mRemoved;
}
/**
* @see #mRemoving
*/
boolean isRemoving() {
return mRemoving;
}
void remove() {
mRemoving = true;
Task lastReparentedRootTask;
mRootWindowContainer.mTaskSupervisor.beginDeferResume();
try {
lastReparentedRootTask = reduceOnAllTaskDisplayAreas((taskDisplayArea, rootTask) -> {
final Task lastReparentedRootTaskFromArea = taskDisplayArea.remove();
if (lastReparentedRootTaskFromArea != null) {
return lastReparentedRootTaskFromArea;
}
return rootTask;
}, null /* initValue */, false /* traverseTopToBottom */);
} finally {
mRootWindowContainer.mTaskSupervisor.endDeferResume();
}
mRemoved = true;
if (mContentRecorder != null) {
mContentRecorder.remove();
}
// Only update focus/visibility for the last one because there may be many root tasks are
// reparented and the intermediate states are unnecessary.
if (lastReparentedRootTask != null) {
lastReparentedRootTask.resumeNextFocusAfterReparent();
}
releaseSelfIfNeeded();
mDisplayPolicy.release();
if (!mAllSleepTokens.isEmpty()) {
mAllSleepTokens.forEach(token ->
mRootWindowContainer.mSleepTokens.remove(token.mHashKey));
mAllSleepTokens.clear();
mAtmService.updateSleepIfNeededLocked();
}
}
void releaseSelfIfNeeded() {
if (!mRemoved) {
return;
}
// Check if all task display areas have only the empty home root tasks left.
boolean hasNonEmptyHomeRootTask = forAllRootTasks(rootTask ->
!rootTask.isActivityTypeHome() || rootTask.hasChild());
if (!hasNonEmptyHomeRootTask && getRootTaskCount() > 0) {
// Release this display if only empty home root task(s) are left. This display will be
// released along with the root task(s) removal.
forAllRootTasks(t -> {t.removeIfPossible("releaseSelfIfNeeded");});
} else if (getTopRootTask() == null) {
removeIfPossible();
}
}
/** Update and get all UIDs that are present on the display and have access to it. */
IntArray getPresentUIDs() {
mDisplayAccessUIDs.clear();
final PooledConsumer c = PooledLambda.obtainConsumer(DisplayContent::addActivityUid,
PooledLambda.__(ActivityRecord.class), mDisplayAccessUIDs);
mDisplayContent.forAllActivities(c);
c.recycle();
return mDisplayAccessUIDs;
}
private static void addActivityUid(ActivityRecord r, IntArray uids) {
uids.add(r.getUid());
}
@VisibleForTesting
boolean shouldDestroyContentOnRemove() {
return mDisplay.getRemoveMode() == REMOVE_MODE_DESTROY_CONTENT;
}
boolean shouldSleep() {
return (getRootTaskCount() == 0 || !mAllSleepTokens.isEmpty())
&& (mAtmService.mRunningVoice == null);
}
void ensureActivitiesVisible(ActivityRecord starting, int configChanges,
boolean preserveWindows, boolean notifyClients) {
if (mInEnsureActivitiesVisible) {
// Don't do recursive work.
return;
}
mInEnsureActivitiesVisible = true;
mAtmService.mTaskSupervisor.beginActivityVisibilityUpdate();
try {
forAllRootTasks(rootTask -> {
rootTask.ensureActivitiesVisible(starting, configChanges, preserveWindows,
notifyClients);
});
if (mTransitionController.isCollecting()
&& mWallpaperController.getWallpaperTarget() != null) {
// Also update wallpapers so that their requestedVisibility immediately reflects
// the changes to activity visibility.
// TODO(b/206005136): Move visibleRequested logic up to WindowToken.
mWallpaperController.adjustWallpaperWindows();
}
} finally {
mAtmService.mTaskSupervisor.endActivityVisibilityUpdate();
mInEnsureActivitiesVisible = false;
}
}
boolean isSleeping() {
return mSleeping;
}
void setIsSleeping(boolean asleep) {
mSleeping = asleep;
}
/**
* Notifies that some Keyguard flags have changed and the visibilities of the activities may
* need to be reevaluated.
*/
void notifyKeyguardFlagsChanged() {
if (!isKeyguardLocked()) {
// If keyguard is not locked, the change of flags won't affect activity visibility.
return;
}
// We might change the visibilities here, so prepare an empty app transition which might be
// overridden later if we actually change visibilities.
final boolean wasTransitionSet = mAppTransition.isTransitionSet();
if (!wasTransitionSet) {
prepareAppTransition(TRANSIT_NONE);
}
mRootWindowContainer.ensureActivitiesVisible(null, 0, false /* preserveWindows */);
// If there was a transition set already we don't want to interfere with it as we might be
// starting it too early.
if (!wasTransitionSet) {
executeAppTransition();
}
}
/**
* Check if the display has {@link Display#FLAG_CAN_SHOW_WITH_INSECURE_KEYGUARD} applied.
*/
boolean canShowWithInsecureKeyguard() {
final int flags = mDisplay.getFlags();
return (flags & FLAG_CAN_SHOW_WITH_INSECURE_KEYGUARD) != 0;
}
/**
* @return whether keyguard is locked for this display
*/
boolean isKeyguardLocked() {
return mRootWindowContainer.mTaskSupervisor
.getKeyguardController().isKeyguardLocked(mDisplayId);
}
/**
* @return whether keyguard is going away on this display
*/
boolean isKeyguardGoingAway() {
return mRootWindowContainer.mTaskSupervisor
.getKeyguardController().isKeyguardGoingAway(mDisplayId);
}
/**
* @return whether keyguard should always be unlocked for this display
*/
boolean isKeyguardAlwaysUnlocked() {
return (mDisplayInfo.flags & Display.FLAG_ALWAYS_UNLOCKED) != 0;
}
/**
* @return whether AOD is showing on this display
*/
boolean isAodShowing() {
return mRootWindowContainer.mTaskSupervisor
.getKeyguardController().isAodShowing(mDisplayId);
}
/**
* @return whether the keyguard is occluded on this display
*/
boolean isKeyguardOccluded() {
return mRootWindowContainer.mTaskSupervisor
.getKeyguardController().isDisplayOccluded(mDisplayId);
}
@VisibleForTesting
void removeAllTasks() {
forAllTasks((t) -> { t.getRootTask().removeChild(t, "removeAllTasks"); });
}
Context getDisplayUiContext() {
return mDisplayPolicy.getSystemUiContext();
}
@Override
boolean setIgnoreOrientationRequest(boolean ignoreOrientationRequest) {
if (mSetIgnoreOrientationRequest == ignoreOrientationRequest) return false;
final boolean rotationChanged = super.setIgnoreOrientationRequest(ignoreOrientationRequest);
mWmService.mDisplayWindowSettings.setIgnoreOrientationRequest(
this, mSetIgnoreOrientationRequest);
return rotationChanged;
}
/**
* Updates orientation if necessary after ignore orientation request override logic in {@link
* WindowManagerService#isIgnoreOrientationRequestDisabled} changes at runtime.
*/
void onIsIgnoreOrientationRequestDisabledChanged() {
if (mFocusedApp != null) {
// We record the last focused TDA that respects orientation request, check if this
// change may affect it.
onLastFocusedTaskDisplayAreaChanged(mFocusedApp.getDisplayArea());
}
if (mSetIgnoreOrientationRequest) {
updateOrientation();
}
}
/**
* Locates the appropriate target window for scroll capture. The search progresses top to
* bottom.
* If {@code searchBehind} is non-null, the search will only consider windows behind this one.
* If a valid taskId is specified, the target window must belong to the given task.
*
* @param searchBehind a window used to filter the search to windows behind it, or null to begin
* the search at the top window of the display
* @param taskId specifies the id of a task the result must belong to or
* {@link android.app.ActivityTaskManager#INVALID_TASK_ID INVALID_TASK_ID}
* to match any window
* @return the located window or null if none could be found matching criteria
*/
@Nullable
WindowState findScrollCaptureTargetWindow(@Nullable WindowState searchBehind, int taskId) {
return getWindow(new Predicate<WindowState>() {
boolean behindTopWindow = (searchBehind == null); // optional filter
@Override
public boolean test(WindowState nextWindow) {
// Skip through all windows until we pass topWindow (if specified)
if (!behindTopWindow) {
if (nextWindow == searchBehind) {
behindTopWindow = true;
}
return false; /* continue */
}
if (taskId == INVALID_TASK_ID) {
if (!nextWindow.canReceiveKeys()) {
return false; /* continue */
}
} else {
Task task = nextWindow.getTask();
if (task == null || !task.isTaskId(taskId)) {
return false; /* continue */
}
}
if (nextWindow.isSecureLocked()) {
return false; /* continue */
}
return true; /* stop, match found */
}
});
}
@Override
public boolean providesMaxBounds() {
return true;
}
/**
* Sets if Display APIs should be sandboxed to the activity window bounds.
*/
@VisibleForTesting
void setSandboxDisplayApis(boolean sandboxDisplayApis) {
mSandboxDisplayApis = sandboxDisplayApis;
}
/**
* Returns {@code true} is Display APIs should be sandboxed to the activity window bounds,
* {@code false} otherwise. Default to true, unless set for debugging purposes.
*/
boolean sandboxDisplayApis() {
return mSandboxDisplayApis;
}
private ContentRecorder getContentRecorder() {
if (mContentRecorder == null) {
mContentRecorder = new ContentRecorder(this);
}
return mContentRecorder;
}
/**
* Pause the recording session.
*/
@VisibleForTesting void pauseRecording() {
if (mContentRecorder != null) {
mContentRecorder.pauseRecording();
}
}
/**
* Sets the incoming recording session. Should only be used when starting to record on
* this display; stopping recording is handled separately when the display is destroyed.
*
* @param session the new session indicating recording will begin on this display.
*/
void setContentRecordingSession(@Nullable ContentRecordingSession session) {
getContentRecorder().setContentRecordingSession(session);
}
/**
* Start recording if this DisplayContent no longer has content. Stop recording if it now
* has content or the display is not on.
*/
@VisibleForTesting void updateRecording() {
getContentRecorder().updateRecording();
}
/**
* Returns {@code true} if this DisplayContent is currently recording.
*/
boolean isCurrentlyRecording() {
return mContentRecorder != null && mContentRecorder.isCurrentlyRecording();
}
/** The entry for proceeding to handle {@link #mFixedRotationLaunchingApp}. */
class FixedRotationTransitionListener extends WindowManagerInternal.AppTransitionListener {
/**
* The animating activity which shows the recents task list. It is set between
* {@link RecentsAnimationController#initialize} and
* {@link RecentsAnimationController#cleanupAnimation}.
*/
private ActivityRecord mAnimatingRecents;
/** Whether {@link #mAnimatingRecents} is going to be the top activity. */
private boolean mRecentsWillBeTop;
/**
* If the recents activity has a fixed orientation which is different from the current top
* activity, it will be rotated before being shown so we avoid a screen rotation animation
* when showing the Recents view.
*/
void onStartRecentsAnimation(@NonNull ActivityRecord r) {
mAnimatingRecents = r;
if (r.isVisible() && mFocusedApp != null && !mFocusedApp.occludesParent()) {
// The recents activity has shown with the orientation determined by the top
// activity, keep its current orientation to avoid flicking by the configuration
// change of visible activity.
return;
}
rotateInDifferentOrientationIfNeeded(r);
if (r.hasFixedRotationTransform()) {
// Set the record so we can recognize it to continue to update display orientation
// if the recents activity becomes the top later.
setFixedRotationLaunchingApp(r, r.getWindowConfiguration().getRotation());
}
}
/**
* If {@link #mAnimatingRecents} still has fixed rotation, it should be moved to top so we
* don't clear {@link #mFixedRotationLaunchingApp} that will be handled by transition.
*/
void onFinishRecentsAnimation() {
final ActivityRecord animatingRecents = mAnimatingRecents;
final boolean recentsWillBeTop = mRecentsWillBeTop;
mAnimatingRecents = null;
mRecentsWillBeTop = false;
if (recentsWillBeTop) {
// The recents activity will be the top, such as staying at recents list or
// returning to home (if home and recents are the same activity).
return;
}
if (animatingRecents != null && animatingRecents == mFixedRotationLaunchingApp
&& animatingRecents.isVisible() && animatingRecents != topRunningActivity()) {
// The recents activity should be going to be invisible (switch to another app or
// return to original top). Only clear the top launching record without finishing
// the transform immediately because it won't affect display orientation. And before
// the visibility is committed, the recents activity may perform relayout which may
// cause unexpected configuration change if the rotated configuration is restored.
// The transform will be finished when the transition is done.
setFixedRotationLaunchingAppUnchecked(null);
} else {
// If there is already a launching activity that is not the recents, before its
// transition is completed, the recents animation may be started. So if the recents
// activity won't be the top, the display orientation should be updated according
// to the current top activity.
continueUpdateOrientationForDiffOrienLaunchingApp();
}
}
void notifyRecentsWillBeTop() {
mRecentsWillBeTop = true;
}
/**
* Returns {@code true} if the transient launch (e.g. recents animation) requested a fixed
* orientation, then the rotation change should be deferred.
*/
boolean shouldDeferRotation() {
ActivityRecord source = null;
if (mTransitionController.isShellTransitionsEnabled()) {
final ActivityRecord r = mFixedRotationLaunchingApp;
if (r != null && mTransitionController.isTransientLaunch(r)) {
source = r;
}
} else if (mAnimatingRecents != null && !hasTopFixedRotationLaunchingApp()) {
source = mAnimatingRecents;
}
if (source == null || source.getRequestedConfigurationOrientation(
true /* forDisplay */) == ORIENTATION_UNDEFINED) {
return false;
}
// If screen is off or the device is going to sleep, then still allow to update.
return mWmService.mPolicy.okToAnimate(false /* ignoreScreenOn */);
}
@Override
public void onAppTransitionFinishedLocked(IBinder token) {
final ActivityRecord r = getActivityRecord(token);
// Ignore the animating recents so the fixed rotation transform won't be switched twice
// by finishing the recents animation and moving it to top. That also avoids flickering
// due to wait for previous activity to be paused if it supports PiP that ignores the
// effect of resume-while-pausing.
if (r == null || r == mAnimatingRecents) {
return;
}
if (mAnimatingRecents != null && mRecentsWillBeTop) {
// The activity is not the recents and it should be moved to back later, so it is
// better to keep its current appearance for the next transition. Otherwise the
// display orientation may be updated too early and the layout procedures at the
// end of finishing recents animation is skipped. That causes flickering because
// the surface of closing app hasn't updated to invisible.
return;
}
if (mFixedRotationLaunchingApp == null) {
// In most cases this is a no-op if the activity doesn't have fixed rotation.
// Otherwise it could be from finishing recents animation while the display has
// different orientation.
r.finishFixedRotationTransform();
return;
}
if (mFixedRotationLaunchingApp.hasFixedRotationTransform(r)) {
if (mFixedRotationLaunchingApp.hasAnimatingFixedRotationTransition()) {
// Waiting until all of the associated activities have done animation, or the
// orientation would be updated too early and cause flickering.
return;
}
} else {
// Handle a corner case that the task of {@link #mFixedRotationLaunchingApp} is no
// longer animating but the corresponding transition finished event won't notify.
// E.g. activity A transferred starting window to B, only A will receive transition
// finished event. A doesn't have fixed rotation but B is the rotated launching app.
final Task task = r.getTask();
if (task == null || task != mFixedRotationLaunchingApp.getTask()) {
// Different tasks won't be in one activity transition animation.
return;
}
if (task.isAppTransitioning()) {
return;
// Continue to update orientation because the transition of the top rotated
// launching activity is done.
}
}
continueUpdateOrientationForDiffOrienLaunchingApp();
}
@Override
public void onAppTransitionCancelledLocked(boolean keyguardGoingAway) {
// It is only needed when freezing display in legacy transition.
if (mTransitionController.isShellTransitionsEnabled()) return;
continueUpdateOrientationForDiffOrienLaunchingApp();
}
@Override
public void onAppTransitionTimeoutLocked() {
continueUpdateOrientationForDiffOrienLaunchingApp();
}
}
class RemoteInsetsControlTarget implements InsetsControlTarget {
private final IDisplayWindowInsetsController mRemoteInsetsController;
private final InsetsVisibilities mRequestedVisibilities = new InsetsVisibilities();
RemoteInsetsControlTarget(IDisplayWindowInsetsController controller) {
mRemoteInsetsController = controller;
}
/**
* Notifies the remote insets controller that the top focused window has changed.
*
* @param packageName The name of the package that is open in the top focused window.
* @param requestedVisibilities The insets visibilities requested by the focussed window.
*/
void topFocusedWindowChanged(String packageName, InsetsVisibilities requestedVisibilities) {
try {
mRemoteInsetsController.topFocusedWindowChanged(packageName, requestedVisibilities);
} catch (RemoteException e) {
Slog.w(TAG, "Failed to deliver package in top focused window change", e);
}
}
void notifyInsetsChanged() {
try {
mRemoteInsetsController.insetsChanged(
getInsetsStateController().getRawInsetsState());
} catch (RemoteException e) {
Slog.w(TAG, "Failed to deliver inset state change", e);
}
}
@Override
public void notifyInsetsControlChanged() {
final InsetsStateController stateController = getInsetsStateController();
try {
mRemoteInsetsController.insetsControlChanged(stateController.getRawInsetsState(),
stateController.getControlsForDispatch(this));
} catch (RemoteException e) {
Slog.w(TAG, "Failed to deliver inset state change", e);
}
}
@Override
public void showInsets(@WindowInsets.Type.InsetsType int types, boolean fromIme) {
try {
mRemoteInsetsController.showInsets(types, fromIme);
} catch (RemoteException e) {
Slog.w(TAG, "Failed to deliver showInsets", e);
}
}
@Override
public void hideInsets(@WindowInsets.Type.InsetsType int types, boolean fromIme) {
try {
mRemoteInsetsController.hideInsets(types, fromIme);
} catch (RemoteException e) {
Slog.w(TAG, "Failed to deliver showInsets", e);
}
}
@Override
public boolean getRequestedVisibility(@InternalInsetsType int type) {
if (type == ITYPE_IME) {
return getInsetsStateController().getImeSourceProvider().isImeShowing();
}
return mRequestedVisibilities.getVisibility(type);
}
void setRequestedVisibilities(InsetsVisibilities requestedVisibilities) {
mRequestedVisibilities.set(requestedVisibilities);
}
}
MagnificationSpec getMagnificationSpec() {
return mMagnificationSpec;
}
DisplayArea findAreaForWindowType(int windowType, Bundle options,
boolean ownerCanManageAppToken, boolean roundedCornerOverlay) {
if (windowType >= FIRST_APPLICATION_WINDOW && windowType <= LAST_APPLICATION_WINDOW) {
return mDisplayAreaPolicy.getTaskDisplayArea(options);
}
// Return IME container here because it could be in one of sub RootDisplayAreas depending on
// the focused edit text. Also, the RootDisplayArea choosing strategy is implemented by
// the server side, but not mSelectRootForWindowFunc customized by OEM.
if (windowType == TYPE_INPUT_METHOD || windowType == TYPE_INPUT_METHOD_DIALOG) {
return getImeContainer();
}
return mDisplayAreaPolicy.findAreaForWindowType(windowType, options,
ownerCanManageAppToken, roundedCornerOverlay);
}
/**
* Finds the {@link DisplayArea} for the {@link WindowToken} to attach to.
* <p>
* Note that the differences between this API and
* {@link RootDisplayArea#findAreaForTokenInLayer(WindowToken)} is that this API finds a
* {@link DisplayArea} in {@link DisplayContent} level, which may find a {@link DisplayArea}
* from multiple {@link RootDisplayArea RootDisplayAreas} under this {@link DisplayContent}'s
* hierarchy, while {@link RootDisplayArea#findAreaForTokenInLayer(WindowToken)} finds a
* {@link DisplayArea.Tokens} from a {@link DisplayArea.Tokens} list mapped to window layers.
* </p>
*
* @see DisplayContent#findAreaForTokenInLayer(WindowToken)
*/
DisplayArea findAreaForToken(WindowToken windowToken) {
return findAreaForWindowType(windowToken.getWindowType(), windowToken.mOptions,
windowToken.mOwnerCanManageAppTokens, windowToken.mRoundedCornerOverlay);
}
@Override
DisplayContent asDisplayContent() {
return this;
}
}