blob: abc8fdc70df714060ecf131fbd5ce018febaf735 [file] [log] [blame]
/*
* Copyright (C) 2020 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.systemui.navigationbar;
import static android.app.StatusBarManager.NAVIGATION_HINT_BACK_ALT;
import static android.app.StatusBarManager.NAVIGATION_HINT_IME_SWITCHER_SHOWN;
import static android.app.StatusBarManager.WINDOW_STATE_HIDDEN;
import static android.app.StatusBarManager.WINDOW_STATE_SHOWING;
import static android.app.StatusBarManager.WindowType;
import static android.app.StatusBarManager.WindowVisibleState;
import static android.app.StatusBarManager.windowStateToString;
import static android.app.WindowConfiguration.ROTATION_UNDEFINED;
import static android.view.Display.DEFAULT_DISPLAY;
import static android.view.InsetsState.ITYPE_NAVIGATION_BAR;
import static android.view.InsetsState.containsType;
import static android.view.WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE;
import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMATION;
import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_3BUTTON;
import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_GESTURAL;
import static com.android.internal.accessibility.common.ShortcutConstants.CHOOSER_PACKAGE_NAME;
import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.HOME_BUTTON_LONG_PRESS_DURATION_MS;
import static com.android.internal.config.sysui.SystemUiDeviceConfigFlags.NAV_BAR_HANDLE_FORCE_OPAQUE;
import static com.android.systemui.navigationbar.NavBarHelper.transitionMode;
import static com.android.systemui.recents.OverviewProxyService.OverviewProxyListener;
import static com.android.systemui.shared.recents.utilities.Utilities.isTablet;
import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_A11Y_BUTTON_CLICKABLE;
import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE;
import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_ALLOW_GESTURE_IGNORING_BAR_VISIBILITY;
import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SHOWING;
import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_IME_SWITCHER_SHOWING;
import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NAV_BAR_HIDDEN;
import static com.android.systemui.shared.system.QuickStepContract.isGesturalMode;
import static com.android.systemui.statusbar.phone.BarTransitions.MODE_OPAQUE;
import static com.android.systemui.statusbar.phone.BarTransitions.TransitionMode;
import static com.android.systemui.statusbar.phone.CentralSurfaces.DEBUG_WINDOW_STATE;
import static com.android.systemui.statusbar.phone.CentralSurfaces.dumpBarTransitions;
import static com.android.systemui.util.Utils.isGesturalModeOnDefaultDisplay;
import android.annotation.IdRes;
import android.app.ActivityTaskManager;
import android.app.IActivityTaskManager;
import android.app.StatusBarManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.res.Configuration;
import android.graphics.Insets;
import android.graphics.PixelFormat;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Region;
import android.os.Binder;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.UserHandle;
import android.provider.DeviceConfig;
import android.telecom.TelecomManager;
import android.text.TextUtils;
import android.util.Log;
import android.view.Display;
import android.view.Gravity;
import android.view.HapticFeedbackConstants;
import android.view.InsetsFrameProvider;
import android.view.InsetsState.InternalInsetsType;
import android.view.InsetsVisibilities;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.View;
import android.view.ViewTreeObserver;
import android.view.ViewTreeObserver.InternalInsetsInfo;
import android.view.ViewTreeObserver.OnComputeInternalInsetsListener;
import android.view.WindowInsetsController.Appearance;
import android.view.WindowInsetsController.Behavior;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.view.inputmethod.InputMethodManager;
import androidx.annotation.Nullable;
import androidx.annotation.VisibleForTesting;
import com.android.internal.accessibility.dialog.AccessibilityButtonChooserActivity;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.UiEvent;
import com.android.internal.logging.UiEventLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.util.LatencyTracker;
import com.android.internal.view.AppearanceRegion;
import com.android.systemui.Gefingerpoken;
import com.android.systemui.R;
import com.android.systemui.assist.AssistManager;
import com.android.systemui.broadcast.BroadcastDispatcher;
import com.android.systemui.dagger.qualifiers.Background;
import com.android.systemui.dagger.qualifiers.DisplayId;
import com.android.systemui.dagger.qualifiers.Main;
import com.android.systemui.model.SysUiState;
import com.android.systemui.navigationbar.NavigationBarComponent.NavigationBarScope;
import com.android.systemui.navigationbar.NavigationModeController.ModeChangedListener;
import com.android.systemui.navigationbar.buttons.ButtonDispatcher;
import com.android.systemui.navigationbar.buttons.DeadZone;
import com.android.systemui.navigationbar.buttons.KeyButtonView;
import com.android.systemui.navigationbar.buttons.RotationContextButton;
import com.android.systemui.navigationbar.gestural.EdgeBackGestureHandler;
import com.android.systemui.navigationbar.gestural.QuickswitchOrientedNavHandle;
import com.android.systemui.plugins.statusbar.StatusBarStateController;
import com.android.systemui.recents.OverviewProxyService;
import com.android.systemui.recents.Recents;
import com.android.systemui.settings.UserContextProvider;
import com.android.systemui.shared.navigationbar.RegionSamplingHelper;
import com.android.systemui.shared.recents.utilities.Utilities;
import com.android.systemui.shared.rotation.RotationButton;
import com.android.systemui.shared.rotation.RotationButtonController;
import com.android.systemui.shared.system.ActivityManagerWrapper;
import com.android.systemui.shared.system.QuickStepContract;
import com.android.systemui.shared.system.SysUiStatsLog;
import com.android.systemui.statusbar.AutoHideUiElement;
import com.android.systemui.statusbar.CommandQueue;
import com.android.systemui.statusbar.CommandQueue.Callbacks;
import com.android.systemui.statusbar.NotificationRemoteInputManager;
import com.android.systemui.statusbar.NotificationShadeDepthController;
import com.android.systemui.statusbar.StatusBarState;
import com.android.systemui.statusbar.notification.stack.StackStateAnimator;
import com.android.systemui.statusbar.phone.AutoHideController;
import com.android.systemui.statusbar.phone.BarTransitions;
import com.android.systemui.statusbar.phone.CentralSurfaces;
import com.android.systemui.statusbar.phone.LightBarController;
import com.android.systemui.statusbar.phone.ShadeController;
import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager;
import com.android.systemui.statusbar.policy.DeviceProvisionedController;
import com.android.systemui.util.DeviceConfigProxy;
import com.android.systemui.util.ViewController;
import com.android.wm.shell.back.BackAnimation;
import com.android.wm.shell.pip.Pip;
import java.io.PrintWriter;
import java.util.Locale;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.Executor;
import java.util.function.Consumer;
import javax.inject.Inject;
import dagger.Lazy;
/**
* Contains logic for a navigation bar view.
*/
@NavigationBarScope
public class NavigationBar extends ViewController<NavigationBarView> implements Callbacks {
public static final String TAG = "NavigationBar";
private static final boolean DEBUG = false;
private static final String EXTRA_DISABLE_STATE = "disabled_state";
private static final String EXTRA_DISABLE2_STATE = "disabled2_state";
private static final String EXTRA_APPEARANCE = "appearance";
private static final String EXTRA_BEHAVIOR = "behavior";
private static final String EXTRA_TRANSIENT_STATE = "transient_state";
/** Allow some time inbetween the long press for back and recents. */
private static final int LOCK_TO_APP_GESTURE_TOLERENCE = 200;
private static final long AUTODIM_TIMEOUT_MS = 2250;
private final Context mContext;
private final Bundle mSavedState;
private final WindowManager mWindowManager;
private final AccessibilityManager mAccessibilityManager;
private final DeviceProvisionedController mDeviceProvisionedController;
private final StatusBarStateController mStatusBarStateController;
private final MetricsLogger mMetricsLogger;
private final Lazy<AssistManager> mAssistManagerLazy;
private final StatusBarKeyguardViewManager mStatusBarKeyguardViewManager;
private final SysUiState mSysUiFlagsContainer;
private final Lazy<Optional<CentralSurfaces>> mCentralSurfacesOptionalLazy;
private final ShadeController mShadeController;
private final NotificationRemoteInputManager mNotificationRemoteInputManager;
private final OverviewProxyService mOverviewProxyService;
private final NavigationModeController mNavigationModeController;
private final BroadcastDispatcher mBroadcastDispatcher;
private final CommandQueue mCommandQueue;
private final Optional<Pip> mPipOptional;
private final Optional<Recents> mRecentsOptional;
private final DeviceConfigProxy mDeviceConfigProxy;
private final NavigationBarTransitions mNavigationBarTransitions;
private final EdgeBackGestureHandler mEdgeBackGestureHandler;
private final Optional<BackAnimation> mBackAnimation;
private final Handler mHandler;
private final UiEventLogger mUiEventLogger;
private final NavBarHelper mNavBarHelper;
private final NotificationShadeDepthController mNotificationShadeDepthController;
private final OnComputeInternalInsetsListener mOnComputeInternalInsetsListener;
private final UserContextProvider mUserContextProvider;
private final RegionSamplingHelper mRegionSamplingHelper;
private final int mNavColorSampleMargin;
private NavigationBarFrame mFrame;
private @WindowVisibleState int mNavigationBarWindowState = WINDOW_STATE_SHOWING;
private int mNavigationIconHints = 0;
private @TransitionMode int mTransitionMode;
private boolean mLongPressHomeEnabled;
private int mDisabledFlags1;
private int mDisabledFlags2;
private long mLastLockToAppLongPress;
private Locale mLocale;
private int mLayoutDirection;
private boolean mAllowForceNavBarHandleOpaque;
private boolean mForceNavBarHandleOpaque;
private Optional<Long> mHomeButtonLongPressDurationMs;
private boolean mIsCurrentUserSetup;
/** @see android.view.WindowInsetsController#setSystemBarsAppearance(int, int) */
private @Appearance int mAppearance;
/** @see android.view.WindowInsetsController#setSystemBarsBehavior(int) */
private @Behavior int mBehavior;
private boolean mTransientShown;
private boolean mTransientShownFromGestureOnSystemBar;
private int mNavBarMode = NAV_BAR_MODE_3BUTTON;
private LightBarController mLightBarController;
private final LightBarController mMainLightBarController;
private final LightBarController.Factory mLightBarControllerFactory;
private AutoHideController mAutoHideController;
private final AutoHideController mMainAutoHideController;
private final AutoHideController.Factory mAutoHideControllerFactory;
private final Optional<TelecomManager> mTelecomManagerOptional;
private final InputMethodManager mInputMethodManager;
@VisibleForTesting
public int mDisplayId;
private boolean mIsOnDefaultDisplay;
public boolean mHomeBlockedThisTouch;
/**
* When user is QuickSwitching between apps of different orientations, we'll draw a fake
* home handle on the orientation they originally touched down to start their swipe
* gesture to indicate to them that they can continue in that orientation without having to
* rotate the phone
* The secondary handle will show when we get
* {@link OverviewProxyListener#notifyPrioritizedRotation(int)} callback with the
* original handle hidden and we'll flip the visibilities once the
* {@link #mTasksFrozenListener} fires
*/
private QuickswitchOrientedNavHandle mOrientationHandle;
private WindowManager.LayoutParams mOrientationParams;
private int mStartingQuickSwitchRotation = -1;
private int mCurrentRotation;
private ViewTreeObserver.OnGlobalLayoutListener mOrientationHandleGlobalLayoutListener;
private boolean mShowOrientedHandleForImmersiveMode;
private final DeadZone mDeadZone;
private boolean mImeVisible;
private final Rect mSamplingBounds = new Rect();
/**
* When quickswitching between apps of different orientations, we draw a secondary home handle
* in the position of the first app's orientation. This rect represents the region of that
* home handle so we can apply the correct light/dark luma on that.
* @see {@link NavigationBar#mOrientationHandle}
*/
@android.annotation.Nullable
private Rect mOrientedHandleSamplingRegion;
@com.android.internal.annotations.VisibleForTesting
public enum NavBarActionEvent implements UiEventLogger.UiEventEnum {
@UiEvent(doc = "Assistant invoked via home button long press.")
NAVBAR_ASSIST_LONGPRESS(550);
private final int mId;
NavBarActionEvent(int id) {
mId = id;
}
@Override
public int getId() {
return mId;
}
}
private final AutoHideUiElement mAutoHideUiElement = new AutoHideUiElement() {
@Override
public void synchronizeState() {
checkNavBarModes();
}
@Override
public boolean shouldHideOnTouch() {
return !mNotificationRemoteInputManager.isRemoteInputActive();
}
@Override
public boolean isVisible() {
return isTransientShown();
}
@Override
public void hide() {
clearTransient();
}
};
private final NavBarHelper.NavbarTaskbarStateUpdater mNavbarTaskbarStateUpdater =
new NavBarHelper.NavbarTaskbarStateUpdater() {
@Override
public void updateAccessibilityServicesState() {
updateAccessibilityStateFlags();
}
@Override
public void updateAssistantAvailable(boolean available) {
// TODO(b/198002034): Content observers currently can still be called back after
// being unregistered, and in this case we can ignore the change if the nav bar
// has been destroyed already
if (mView == null) {
return;
}
mLongPressHomeEnabled = mNavBarHelper.getLongPressHomeEnabled();
updateAssistantEntrypoints(available);
}
};
private final OverviewProxyListener mOverviewProxyListener = new OverviewProxyListener() {
@Override
public void onConnectionChanged(boolean isConnected) {
mView.onOverviewProxyConnectionChange(
mOverviewProxyService.isEnabled());
mView.setShouldShowSwipeUpUi(mOverviewProxyService.shouldShowSwipeUpUI());
updateScreenPinningGestures();
}
@Override
public void onQuickStepStarted() {
// Use navbar dragging as a signal to hide the rotate button
mView.getRotationButtonController().setRotateSuggestionButtonState(false);
// Hide the notifications panel when quick step starts
mShadeController.collapsePanel(true /* animate */);
}
@Override
public void onPrioritizedRotation(@Surface.Rotation int rotation) {
mStartingQuickSwitchRotation = rotation;
if (rotation == -1) {
mShowOrientedHandleForImmersiveMode = false;
}
orientSecondaryHomeHandle();
}
@Override
public void startAssistant(Bundle bundle) {
mAssistManagerLazy.get().startAssist(bundle);
}
@Override
public void onNavBarButtonAlphaChanged(float alpha, boolean animate) {
if (!mIsCurrentUserSetup) {
// If the current user is not yet setup, then don't update any button alphas
return;
}
if (QuickStepContract.isLegacyMode(mNavBarMode)) {
// Don't allow the bar buttons to be affected by the alpha
return;
}
ButtonDispatcher buttonDispatcher = null;
boolean forceVisible = false;
if (QuickStepContract.isGesturalMode(mNavBarMode)) {
// Disallow home handle animations when in gestural
animate = false;
forceVisible = mAllowForceNavBarHandleOpaque && mForceNavBarHandleOpaque;
buttonDispatcher = mView.getHomeHandle();
if (getBarTransitions() != null) {
getBarTransitions().setBackgroundOverrideAlpha(alpha);
}
} else if (QuickStepContract.isSwipeUpMode(mNavBarMode)) {
buttonDispatcher = mView.getBackButton();
}
if (buttonDispatcher != null) {
buttonDispatcher.setVisibility(
(forceVisible || alpha > 0) ? View.VISIBLE : View.INVISIBLE);
buttonDispatcher.setAlpha(forceVisible ? 1f : alpha, animate);
}
}
@Override
public void onHomeRotationEnabled(boolean enabled) {
mView.getRotationButtonController().setHomeRotationEnabled(enabled);
}
@Override
public void onOverviewShown(boolean fromHome) {
// If the overview has fixed orientation that may change display to natural rotation,
// we don't want the user rotation to be reset. So after user returns to application,
// it can keep in the original rotation.
mView.getRotationButtonController().setSkipOverrideUserLockPrefsOnce();
}
@Override
public void onTaskbarStatusUpdated(boolean visible, boolean stashed) {
mView.getFloatingRotationButton().onTaskbarStateChanged(visible, stashed);
}
@Override
public void onToggleRecentApps() {
// The same case as onOverviewShown but only for 3-button navigation.
mView.getRotationButtonController().setSkipOverrideUserLockPrefsOnce();
}
};
private NavigationBarTransitions.DarkIntensityListener mOrientationHandleIntensityListener =
new NavigationBarTransitions.DarkIntensityListener() {
@Override
public void onDarkIntensity(float darkIntensity) {
mOrientationHandle.setDarkIntensity(darkIntensity);
}
};
private final Runnable mAutoDim = () -> getBarTransitions().setAutoDim(true);
private final Runnable mEnableLayoutTransitions = () -> mView.setLayoutTransitionsEnabled(true);
private final Runnable mOnVariableDurationHomeLongClick = () -> {
if (onHomeLongClick(mView.getHomeButton().getCurrentView())) {
mView.getHomeButton().getCurrentView().performHapticFeedback(
HapticFeedbackConstants.LONG_PRESS,
HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
}
};
private final DeviceConfig.OnPropertiesChangedListener mOnPropertiesChangedListener =
new DeviceConfig.OnPropertiesChangedListener() {
@Override
public void onPropertiesChanged(DeviceConfig.Properties properties) {
if (properties.getKeyset().contains(NAV_BAR_HANDLE_FORCE_OPAQUE)) {
mForceNavBarHandleOpaque = properties.getBoolean(
NAV_BAR_HANDLE_FORCE_OPAQUE, /* defaultValue = */ true);
}
if (properties.getKeyset().contains(HOME_BUTTON_LONG_PRESS_DURATION_MS)) {
mHomeButtonLongPressDurationMs = Optional.of(
properties.getLong(HOME_BUTTON_LONG_PRESS_DURATION_MS, 0)
).filter(duration -> duration != 0);
if (mView != null) {
reconfigureHomeLongClick();
}
}
}
};
private final DeviceProvisionedController.DeviceProvisionedListener mUserSetupListener =
new DeviceProvisionedController.DeviceProvisionedListener() {
@Override
public void onUserSetupChanged() {
mIsCurrentUserSetup = mDeviceProvisionedController.isCurrentUserSetup();
}
};
private final NotificationShadeDepthController.DepthListener mDepthListener =
new NotificationShadeDepthController.DepthListener() {
boolean mHasBlurs;
@Override
public void onWallpaperZoomOutChanged(float zoomOut) {
}
@Override
public void onBlurRadiusChanged(int radius) {
boolean hasBlurs = radius != 0;
if (hasBlurs == mHasBlurs) {
return;
}
mHasBlurs = hasBlurs;
mRegionSamplingHelper.setWindowHasBlurs(hasBlurs);
}
};
@Inject
NavigationBar(
NavigationBarView navigationBarView,
NavigationBarFrame navigationBarFrame,
@Nullable Bundle savedState,
@DisplayId Context context,
@DisplayId WindowManager windowManager,
Lazy<AssistManager> assistManagerLazy,
AccessibilityManager accessibilityManager,
DeviceProvisionedController deviceProvisionedController,
MetricsLogger metricsLogger,
OverviewProxyService overviewProxyService,
NavigationModeController navigationModeController,
StatusBarStateController statusBarStateController,
StatusBarKeyguardViewManager statusBarKeyguardViewManager,
SysUiState sysUiFlagsContainer,
BroadcastDispatcher broadcastDispatcher,
CommandQueue commandQueue,
Optional<Pip> pipOptional,
Optional<Recents> recentsOptional,
Lazy<Optional<CentralSurfaces>> centralSurfacesOptionalLazy,
ShadeController shadeController,
NotificationRemoteInputManager notificationRemoteInputManager,
NotificationShadeDepthController notificationShadeDepthController,
@Main Handler mainHandler,
@Main Executor mainExecutor,
@Background Executor bgExecutor,
UiEventLogger uiEventLogger,
NavBarHelper navBarHelper,
LightBarController mainLightBarController,
LightBarController.Factory lightBarControllerFactory,
AutoHideController mainAutoHideController,
AutoHideController.Factory autoHideControllerFactory,
Optional<TelecomManager> telecomManagerOptional,
InputMethodManager inputMethodManager,
DeadZone deadZone,
DeviceConfigProxy deviceConfigProxy,
NavigationBarTransitions navigationBarTransitions,
EdgeBackGestureHandler edgeBackGestureHandler,
Optional<BackAnimation> backAnimation,
UserContextProvider userContextProvider) {
super(navigationBarView);
mFrame = navigationBarFrame;
mContext = context;
mSavedState = savedState;
mWindowManager = windowManager;
mAccessibilityManager = accessibilityManager;
mDeviceProvisionedController = deviceProvisionedController;
mStatusBarStateController = statusBarStateController;
mMetricsLogger = metricsLogger;
mAssistManagerLazy = assistManagerLazy;
mStatusBarKeyguardViewManager = statusBarKeyguardViewManager;
mSysUiFlagsContainer = sysUiFlagsContainer;
mCentralSurfacesOptionalLazy = centralSurfacesOptionalLazy;
mShadeController = shadeController;
mNotificationRemoteInputManager = notificationRemoteInputManager;
mOverviewProxyService = overviewProxyService;
mNavigationModeController = navigationModeController;
mBroadcastDispatcher = broadcastDispatcher;
mCommandQueue = commandQueue;
mPipOptional = pipOptional;
mRecentsOptional = recentsOptional;
mDeadZone = deadZone;
mDeviceConfigProxy = deviceConfigProxy;
mNavigationBarTransitions = navigationBarTransitions;
mEdgeBackGestureHandler = edgeBackGestureHandler;
mBackAnimation = backAnimation;
mHandler = mainHandler;
mUiEventLogger = uiEventLogger;
mNavBarHelper = navBarHelper;
mNotificationShadeDepthController = notificationShadeDepthController;
mMainLightBarController = mainLightBarController;
mLightBarControllerFactory = lightBarControllerFactory;
mMainAutoHideController = mainAutoHideController;
mAutoHideControllerFactory = autoHideControllerFactory;
mTelecomManagerOptional = telecomManagerOptional;
mInputMethodManager = inputMethodManager;
mUserContextProvider = userContextProvider;
mNavColorSampleMargin = getResources()
.getDimensionPixelSize(R.dimen.navigation_handle_sample_horizontal_margin);
mOnComputeInternalInsetsListener = info -> {
// When the nav bar is in 2-button or 3-button mode, or when IME is visible in fully
// gestural mode, the entire nav bar should be touchable.
if (!mEdgeBackGestureHandler.isHandlingGestures()) {
// We're in 2/3 button mode OR back button force-shown in SUW
if (!mImeVisible) {
// IME not showing, take all touches
info.setTouchableInsets(InternalInsetsInfo.TOUCHABLE_INSETS_FRAME);
}
if (!mView.isImeRenderingNavButtons()) {
// IME showing but not drawing any buttons, take all touches
info.setTouchableInsets(InternalInsetsInfo.TOUCHABLE_INSETS_FRAME);
}
}
// When in gestural and the IME is showing, don't use the nearest region since it will
// take gesture space away from the IME
info.setTouchableInsets(InternalInsetsInfo.TOUCHABLE_INSETS_REGION);
info.touchableRegion.set(getButtonLocations(false /* includeFloatingButtons */,
false /* inScreen */, false /* useNearestRegion */));
};
mRegionSamplingHelper = new RegionSamplingHelper(mView,
new RegionSamplingHelper.SamplingCallback() {
@Override
public void onRegionDarknessChanged(boolean isRegionDark) {
getBarTransitions().getLightTransitionsController().setIconsDark(
!isRegionDark, true /* animate */);
}
@Override
public Rect getSampledRegion(View sampledView) {
if (mOrientedHandleSamplingRegion != null) {
return mOrientedHandleSamplingRegion;
}
return calculateSamplingRect();
}
@Override
public boolean isSamplingEnabled() {
return isGesturalModeOnDefaultDisplay(getContext(), mNavBarMode);
}
}, mainExecutor, bgExecutor);
mView.setBackgroundExecutor(bgExecutor);
mView.setEdgeBackGestureHandler(mEdgeBackGestureHandler);
mNavBarMode = mNavigationModeController.addListener(mModeChangedListener);
}
public NavigationBarView getView() {
return mView;
}
@Override
public void onInit() {
// TODO: A great deal of this code should probably live in onViewAttached.
// It should also has corresponding cleanup in onViewDetached.
mView.setBarTransitions(mNavigationBarTransitions);
mView.setTouchHandler(mTouchHandler);
setNavBarMode(mNavBarMode);
mEdgeBackGestureHandler.setStateChangeCallback(mView::updateStates);
mNavigationBarTransitions.addListener(this::onBarTransition);
mView.updateRotationButton();
mView.setVisibility(
mStatusBarKeyguardViewManager.isNavBarVisible() ? View.VISIBLE : View.INVISIBLE);
if (DEBUG) Log.v(TAG, "addNavigationBar: about to add " + mView);
mWindowManager.addView(mFrame,
getBarLayoutParams(mContext.getResources().getConfiguration().windowConfiguration
.getRotation()));
mDisplayId = mContext.getDisplayId();
mIsOnDefaultDisplay = mDisplayId == DEFAULT_DISPLAY;
mCommandQueue.addCallback(this);
mLongPressHomeEnabled = mNavBarHelper.getLongPressHomeEnabled();
mNavBarHelper.init();
mAllowForceNavBarHandleOpaque = mContext.getResources().getBoolean(
R.bool.allow_force_nav_bar_handle_opaque);
mForceNavBarHandleOpaque = mDeviceConfigProxy.getBoolean(
DeviceConfig.NAMESPACE_SYSTEMUI,
NAV_BAR_HANDLE_FORCE_OPAQUE,
/* defaultValue = */ true);
mHomeButtonLongPressDurationMs = Optional.of(mDeviceConfigProxy.getLong(
DeviceConfig.NAMESPACE_SYSTEMUI,
HOME_BUTTON_LONG_PRESS_DURATION_MS,
/* defaultValue = */ 0
)).filter(duration -> duration != 0);
mDeviceConfigProxy.addOnPropertiesChangedListener(
DeviceConfig.NAMESPACE_SYSTEMUI, mHandler::post, mOnPropertiesChangedListener);
if (mSavedState != null) {
mDisabledFlags1 = mSavedState.getInt(EXTRA_DISABLE_STATE, 0);
mDisabledFlags2 = mSavedState.getInt(EXTRA_DISABLE2_STATE, 0);
mAppearance = mSavedState.getInt(EXTRA_APPEARANCE, 0);
mBehavior = mSavedState.getInt(EXTRA_BEHAVIOR, 0);
mTransientShown = mSavedState.getBoolean(EXTRA_TRANSIENT_STATE, false);
}
// Respect the latest disabled-flags.
mCommandQueue.recomputeDisableFlags(mDisplayId, false);
mIsCurrentUserSetup = mDeviceProvisionedController.isCurrentUserSetup();
mDeviceProvisionedController.addCallback(mUserSetupListener);
mNotificationShadeDepthController.addListener(mDepthListener);
}
public void destroyView() {
setAutoHideController(/* autoHideController */ null);
mCommandQueue.removeCallback(this);
mWindowManager.removeViewImmediate(mView.getRootView());
mNavigationModeController.removeListener(mModeChangedListener);
mNavBarHelper.removeNavTaskStateUpdater(mNavbarTaskbarStateUpdater);
mNavBarHelper.destroy();
mDeviceProvisionedController.removeCallback(mUserSetupListener);
mNotificationShadeDepthController.removeListener(mDepthListener);
mDeviceConfigProxy.removeOnPropertiesChangedListener(mOnPropertiesChangedListener);
}
@Override
public void onViewAttached() {
final Display display = mView.getDisplay();
mView.setComponents(mRecentsOptional);
mView.setComponents(mCentralSurfacesOptionalLazy.get().get().getPanelController());
mView.setDisabledFlags(mDisabledFlags1, mSysUiFlagsContainer);
mView.setOnVerticalChangedListener(this::onVerticalChanged);
mView.setOnTouchListener(this::onNavigationTouch);
if (mSavedState != null) {
getBarTransitions().getLightTransitionsController().restoreState(mSavedState);
}
setNavigationIconHints(mNavigationIconHints);
setWindowVisible(isNavBarWindowVisible());
mView.setBehavior(mBehavior);
setNavBarMode(mNavBarMode);
mView.setUpdateActiveTouchRegionsCallback(
() -> mOverviewProxyService.onActiveNavBarRegionChanges(
getButtonLocations(
true /* includeFloatingButtons */,
true /* inScreen */,
true /* useNearestRegion */)));
mView.getViewTreeObserver().addOnComputeInternalInsetsListener(
mOnComputeInternalInsetsListener);
mNavBarHelper.registerNavTaskStateUpdater(mNavbarTaskbarStateUpdater);
mPipOptional.ifPresent(mView::addPipExclusionBoundsChangeListener);
mBackAnimation.ifPresent(mView::registerBackAnimation);
prepareNavigationBarView();
checkNavBarModes();
IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
filter.addAction(Intent.ACTION_SCREEN_ON);
filter.addAction(Intent.ACTION_USER_SWITCHED);
mBroadcastDispatcher.registerReceiverWithHandler(mBroadcastReceiver, filter,
Handler.getMain(), UserHandle.ALL);
notifyNavigationBarScreenOn();
mOverviewProxyService.addCallback(mOverviewProxyListener);
updateSystemUiStateFlags();
// Currently there is no accelerometer sensor on non-default display.
if (mIsOnDefaultDisplay) {
final RotationButtonController rotationButtonController =
mView.getRotationButtonController();
rotationButtonController.setRotationCallback(mRotationWatcher);
// Reset user rotation pref to match that of the WindowManager if starting in locked
// mode. This will automatically happen when switching from auto-rotate to locked mode.
if (display != null && rotationButtonController.isRotationLocked()) {
rotationButtonController.setRotationLockedAtAngle(display.getRotation());
}
} else {
mDisabledFlags2 |= StatusBarManager.DISABLE2_ROTATE_SUGGESTIONS;
}
setDisabled2Flags(mDisabledFlags2);
initSecondaryHomeHandleForRotation();
// Unfortunately, we still need it because status bar needs LightBarController
// before notifications creation. We cannot directly use getLightBarController()
// from NavigationBarFragment directly.
LightBarController lightBarController = mIsOnDefaultDisplay
? mMainLightBarController : mLightBarControllerFactory.create(mContext);
setLightBarController(lightBarController);
// TODO(b/118592525): to support multi-display, we start to add something which is
// per-display, while others may be global. I think it's time to
// add a new class maybe named DisplayDependency to solve
// per-display Dependency problem.
// Alternative: this is a good case for a Dagger subcomponent. Same with LightBarController.
AutoHideController autoHideController = mIsOnDefaultDisplay
? mMainAutoHideController : mAutoHideControllerFactory.create(mContext);
setAutoHideController(autoHideController);
restoreAppearanceAndTransientState();
}
@Override
public void onViewDetached() {
final RotationButtonController rotationButtonController =
mView.getRotationButtonController();
rotationButtonController.setRotationCallback(null);
mView.setUpdateActiveTouchRegionsCallback(null);
getBarTransitions().destroy();
mOverviewProxyService.removeCallback(mOverviewProxyListener);
mBroadcastDispatcher.unregisterReceiver(mBroadcastReceiver);
if (mOrientationHandle != null) {
resetSecondaryHandle();
getBarTransitions().removeDarkIntensityListener(mOrientationHandleIntensityListener);
mWindowManager.removeView(mOrientationHandle);
mOrientationHandle.getViewTreeObserver().removeOnGlobalLayoutListener(
mOrientationHandleGlobalLayoutListener);
}
mView.getViewTreeObserver().removeOnComputeInternalInsetsListener(
mOnComputeInternalInsetsListener);
mHandler.removeCallbacks(mAutoDim);
mHandler.removeCallbacks(mOnVariableDurationHomeLongClick);
mHandler.removeCallbacks(mEnableLayoutTransitions);
mNavBarHelper.removeNavTaskStateUpdater(mNavbarTaskbarStateUpdater);
mPipOptional.ifPresent(mView::removePipExclusionBoundsChangeListener);
mFrame = null;
mOrientationHandle = null;
}
// TODO: Remove this when we update nav bar recreation
public void onSaveInstanceState(Bundle outState) {
outState.putInt(EXTRA_DISABLE_STATE, mDisabledFlags1);
outState.putInt(EXTRA_DISABLE2_STATE, mDisabledFlags2);
outState.putInt(EXTRA_APPEARANCE, mAppearance);
outState.putInt(EXTRA_BEHAVIOR, mBehavior);
outState.putBoolean(EXTRA_TRANSIENT_STATE, mTransientShown);
getBarTransitions().getLightTransitionsController().saveState(outState);
}
/**
* Called when a non-reloading configuration change happens and we need to update.
*/
public void onConfigurationChanged(Configuration newConfig) {
final int rotation = newConfig.windowConfiguration.getRotation();
final Locale locale = mContext.getResources().getConfiguration().locale;
final int ld = TextUtils.getLayoutDirectionFromLocale(locale);
if (!locale.equals(mLocale) || ld != mLayoutDirection) {
if (DEBUG) {
Log.v(TAG, String.format(
"config changed locale/LD: %s (%d) -> %s (%d)", mLocale, mLayoutDirection,
locale, ld));
}
mLocale = locale;
mLayoutDirection = ld;
refreshLayout(ld);
}
repositionNavigationBar(rotation);
if (canShowSecondaryHandle()) {
if (rotation != mCurrentRotation) {
mCurrentRotation = rotation;
orientSecondaryHomeHandle();
}
}
}
private void initSecondaryHomeHandleForRotation() {
if (mNavBarMode != NAV_BAR_MODE_GESTURAL) {
return;
}
mOrientationHandle = new QuickswitchOrientedNavHandle(mContext);
mOrientationHandle.setId(R.id.secondary_home_handle);
getBarTransitions().addDarkIntensityListener(mOrientationHandleIntensityListener);
mOrientationParams = new WindowManager.LayoutParams(0, 0,
WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL,
WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
| WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
| WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
| WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
| WindowManager.LayoutParams.FLAG_SLIPPERY,
PixelFormat.TRANSLUCENT);
mOrientationParams.setTitle("SecondaryHomeHandle" + mContext.getDisplayId());
mOrientationParams.privateFlags |= PRIVATE_FLAG_NO_MOVE_ANIMATION
| WindowManager.LayoutParams.PRIVATE_FLAG_LAYOUT_SIZE_EXTENDED_BY_CUTOUT;
mWindowManager.addView(mOrientationHandle, mOrientationParams);
mOrientationHandle.setVisibility(View.GONE);
mOrientationParams.setFitInsetsTypes(0 /* types*/);
mOrientationHandleGlobalLayoutListener =
() -> {
if (mStartingQuickSwitchRotation == -1) {
return;
}
RectF boundsOnScreen = mOrientationHandle.computeHomeHandleBounds();
mOrientationHandle.mapRectFromViewToScreenCoords(boundsOnScreen, true);
Rect boundsRounded = new Rect();
boundsOnScreen.roundOut(boundsRounded);
setOrientedHandleSamplingRegion(boundsRounded);
};
mOrientationHandle.getViewTreeObserver().addOnGlobalLayoutListener(
mOrientationHandleGlobalLayoutListener);
}
private void orientSecondaryHomeHandle() {
if (!canShowSecondaryHandle()) {
return;
}
if (mStartingQuickSwitchRotation == -1) {
resetSecondaryHandle();
} else {
int deltaRotation = deltaRotation(mCurrentRotation, mStartingQuickSwitchRotation);
if (mStartingQuickSwitchRotation == -1 || deltaRotation == -1) {
// Curious if starting quickswitch can change between the if check and our delta
Log.d(TAG, "secondary nav delta rotation: " + deltaRotation
+ " current: " + mCurrentRotation
+ " starting: " + mStartingQuickSwitchRotation);
}
int height = 0;
int width = 0;
Rect dispSize = mWindowManager.getCurrentWindowMetrics().getBounds();
mOrientationHandle.setDeltaRotation(deltaRotation);
switch (deltaRotation) {
case Surface.ROTATION_90:
case Surface.ROTATION_270:
height = dispSize.height();
width = mView.getHeight();
break;
case Surface.ROTATION_180:
case Surface.ROTATION_0:
// TODO(b/152683657): Need to determine best UX for this
if (!mShowOrientedHandleForImmersiveMode) {
resetSecondaryHandle();
return;
}
width = dispSize.width();
height = mView.getHeight();
break;
}
mOrientationParams.gravity =
deltaRotation == Surface.ROTATION_0 ? Gravity.BOTTOM :
(deltaRotation == Surface.ROTATION_90 ? Gravity.LEFT : Gravity.RIGHT);
mOrientationParams.height = height;
mOrientationParams.width = width;
mWindowManager.updateViewLayout(mOrientationHandle, mOrientationParams);
mView.setVisibility(View.GONE);
mOrientationHandle.setVisibility(View.VISIBLE);
}
}
private void resetSecondaryHandle() {
if (mOrientationHandle != null) {
// Case where nav mode is changed w/o ever invoking a quickstep
// mOrientedHandle is initialized lazily
mOrientationHandle.setVisibility(View.GONE);
}
mView.setVisibility(View.VISIBLE);
setOrientedHandleSamplingRegion(null);
}
private void reconfigureHomeLongClick() {
if (mView.getHomeButton().getCurrentView() == null) {
return;
}
if (mHomeButtonLongPressDurationMs.isPresent() || !mLongPressHomeEnabled) {
mView.getHomeButton().getCurrentView().setLongClickable(false);
mView.getHomeButton().getCurrentView().setHapticFeedbackEnabled(false);
mView.getHomeButton().setOnLongClickListener(null);
} else {
mView.getHomeButton().getCurrentView().setLongClickable(true);
mView.getHomeButton().getCurrentView().setHapticFeedbackEnabled(true);
mView.getHomeButton().setOnLongClickListener(this::onHomeLongClick);
}
}
private int deltaRotation(int oldRotation, int newRotation) {
int delta = newRotation - oldRotation;
if (delta < 0) delta += 4;
return delta;
}
public void dump(PrintWriter pw) {
pw.println("NavigationBar (displayId=" + mDisplayId + "):");
pw.println(" mStartingQuickSwitchRotation=" + mStartingQuickSwitchRotation);
pw.println(" mCurrentRotation=" + mCurrentRotation);
pw.println(" mHomeButtonLongPressDurationMs=" + mHomeButtonLongPressDurationMs);
pw.println(" mLongPressHomeEnabled=" + mLongPressHomeEnabled);
pw.println(" mNavigationBarWindowState="
+ windowStateToString(mNavigationBarWindowState));
pw.println(" mTransitionMode="
+ BarTransitions.modeToString(mTransitionMode));
pw.println(" mTransientShown=" + mTransientShown);
pw.println(" mTransientShownFromGestureOnSystemBar="
+ mTransientShownFromGestureOnSystemBar);
dumpBarTransitions(pw, "mNavigationBarView", getBarTransitions());
pw.println(" mOrientedHandleSamplingRegion: " + mOrientedHandleSamplingRegion);
mView.dump(pw);
mRegionSamplingHelper.dump(pw);
}
// ----- CommandQueue Callbacks -----
@Override
public void setImeWindowStatus(int displayId, IBinder token, int vis, int backDisposition,
boolean showImeSwitcher) {
if (displayId != mDisplayId) {
return;
}
boolean imeShown = mNavBarHelper.isImeShown(vis);
showImeSwitcher = imeShown && showImeSwitcher;
int hints = Utilities.calculateBackDispositionHints(mNavigationIconHints, backDisposition,
imeShown, showImeSwitcher);
if (hints == mNavigationIconHints) return;
setNavigationIconHints(hints);
checkBarModes();
updateSystemUiStateFlags();
}
@Override
public void setWindowState(
int displayId, @WindowType int window, @WindowVisibleState int state) {
if (displayId == mDisplayId
&& window == StatusBarManager.WINDOW_NAVIGATION_BAR
&& mNavigationBarWindowState != state) {
mNavigationBarWindowState = state;
updateSystemUiStateFlags();
mShowOrientedHandleForImmersiveMode = state == WINDOW_STATE_HIDDEN;
if (mOrientationHandle != null
&& mStartingQuickSwitchRotation != -1) {
orientSecondaryHomeHandle();
}
if (DEBUG_WINDOW_STATE) Log.d(TAG, "Navigation bar " + windowStateToString(state));
setWindowVisible(isNavBarWindowVisible());
}
}
@Override
public void onRotationProposal(final int rotation, boolean isValid) {
// The CommandQueue callbacks are added when the view is created to ensure we track other
// states, but until the view is attached (at the next traversal), the view's display is
// not valid. Just ignore the rotation in this case.
if (!mView.isAttachedToWindow()) return;
final boolean rotateSuggestionsDisabled = RotationButtonController
.hasDisable2RotateSuggestionFlag(mDisabledFlags2);
final RotationButtonController rotationButtonController =
mView.getRotationButtonController();
final RotationButton rotationButton = rotationButtonController.getRotationButton();
if (RotationContextButton.DEBUG_ROTATION) {
Log.v(TAG, "onRotationProposal proposedRotation=" + Surface.rotationToString(rotation)
+ ", isValid=" + isValid + ", mNavBarWindowState="
+ StatusBarManager.windowStateToString(mNavigationBarWindowState)
+ ", rotateSuggestionsDisabled=" + rotateSuggestionsDisabled
+ ", isRotateButtonVisible=" + rotationButton.isVisible());
}
// Respect the disabled flag, no need for action as flag change callback will handle hiding
if (rotateSuggestionsDisabled) return;
rotationButtonController.onRotationProposal(rotation, isValid);
}
@Override
public void onRecentsAnimationStateChanged(boolean running) {
mView.getRotationButtonController().setRecentsAnimationRunning(running);
}
/** Restores the appearance and the transient saved state to {@link NavigationBar}. */
public void restoreAppearanceAndTransientState() {
final int transitionMode = transitionMode(mTransientShown, mAppearance);
mTransitionMode = transitionMode;
checkNavBarModes();
if (mAutoHideController != null) {
mAutoHideController.touchAutoHide();
}
if (mLightBarController != null) {
mLightBarController.onNavigationBarAppearanceChanged(mAppearance,
true /* nbModeChanged */, transitionMode, false /* navbarColorManagedByIme */);
}
}
@Override
public void onSystemBarAttributesChanged(int displayId, @Appearance int appearance,
AppearanceRegion[] appearanceRegions, boolean navbarColorManagedByIme,
@Behavior int behavior, InsetsVisibilities requestedVisibilities, String packageName) {
if (displayId != mDisplayId) {
return;
}
boolean nbModeChanged = false;
if (mAppearance != appearance) {
mAppearance = appearance;
nbModeChanged = updateTransitionMode(transitionMode(mTransientShown, appearance));
}
if (mLightBarController != null) {
mLightBarController.onNavigationBarAppearanceChanged(appearance, nbModeChanged,
mTransitionMode, navbarColorManagedByIme);
}
if (mBehavior != behavior) {
mBehavior = behavior;
mView.setBehavior(behavior);
updateSystemUiStateFlags();
}
}
@Override
public void showTransient(int displayId, @InternalInsetsType int[] types,
boolean isGestureOnSystemBar) {
if (displayId != mDisplayId) {
return;
}
if (!containsType(types, ITYPE_NAVIGATION_BAR)) {
return;
}
if (!mTransientShown) {
mTransientShown = true;
mTransientShownFromGestureOnSystemBar = isGestureOnSystemBar;
handleTransientChanged();
}
}
@Override
public void abortTransient(int displayId, @InternalInsetsType int[] types) {
if (displayId != mDisplayId) {
return;
}
if (!containsType(types, ITYPE_NAVIGATION_BAR)) {
return;
}
clearTransient();
}
private void clearTransient() {
if (mTransientShown) {
mTransientShown = false;
mTransientShownFromGestureOnSystemBar = false;
handleTransientChanged();
}
}
private void handleTransientChanged() {
mEdgeBackGestureHandler.onNavBarTransientStateChanged(mTransientShown);
final int transitionMode = transitionMode(mTransientShown, mAppearance);
if (updateTransitionMode(transitionMode) && mLightBarController != null) {
mLightBarController.onNavigationBarModeChanged(transitionMode);
}
}
// Returns true if the bar mode is changed.
private boolean updateTransitionMode(int barMode) {
if (mTransitionMode != barMode) {
mTransitionMode = barMode;
checkNavBarModes();
if (mAutoHideController != null) {
mAutoHideController.touchAutoHide();
}
return true;
}
return false;
}
@Override
public void disable(int displayId, int state1, int state2, boolean animate) {
if (displayId != mDisplayId) {
return;
}
// Navigation bar flags are in both state1 and state2.
final int masked = state1 & (StatusBarManager.DISABLE_HOME
| StatusBarManager.DISABLE_RECENT
| StatusBarManager.DISABLE_BACK
| StatusBarManager.DISABLE_SEARCH);
if (masked != mDisabledFlags1) {
mDisabledFlags1 = masked;
mView.setDisabledFlags(state1, mSysUiFlagsContainer);
updateScreenPinningGestures();
}
// Only default display supports rotation suggestions.
if (mIsOnDefaultDisplay) {
final int masked2 = state2 & (StatusBarManager.DISABLE2_ROTATE_SUGGESTIONS);
if (masked2 != mDisabledFlags2) {
mDisabledFlags2 = masked2;
setDisabled2Flags(masked2);
}
}
}
private void setDisabled2Flags(int state2) {
// Method only called on change of disable2 flags
mView.getRotationButtonController().onDisable2FlagChanged(state2);
}
// ----- Internal stuff -----
private void refreshLayout(int layoutDirection) {
mView.setLayoutDirection(layoutDirection);
}
private boolean shouldDisableNavbarGestures() {
return !mDeviceProvisionedController.isDeviceProvisioned()
|| (mDisabledFlags1 & StatusBarManager.DISABLE_SEARCH) != 0;
}
private void repositionNavigationBar(int rotation) {
if (mView == null || !mView.isAttachedToWindow()) return;
prepareNavigationBarView();
mWindowManager.updateViewLayout(mFrame, getBarLayoutParams(rotation));
}
private void updateScreenPinningGestures() {
// Change the cancel pin gesture to home and back if recents button is invisible
boolean pinningActive = ActivityManagerWrapper.getInstance().isScreenPinningActive();
ButtonDispatcher backButton = mView.getBackButton();
ButtonDispatcher recentsButton = mView.getRecentsButton();
if (pinningActive) {
boolean recentsVisible = mView.isRecentsButtonVisible();
backButton.setOnLongClickListener(recentsVisible
? this::onLongPressBackRecents
: this::onLongPressBackHome);
recentsButton.setOnLongClickListener(this::onLongPressBackRecents);
} else {
backButton.setOnLongClickListener(null);
recentsButton.setOnLongClickListener(null);
}
// Note, this needs to be set after even if we're setting the listener to null
backButton.setLongClickable(pinningActive);
recentsButton.setLongClickable(pinningActive);
}
private void notifyNavigationBarScreenOn() {
mView.updateNavButtonIcons();
}
private void prepareNavigationBarView() {
mView.reorient();
ButtonDispatcher recentsButton = mView.getRecentsButton();
recentsButton.setOnClickListener(this::onRecentsClick);
recentsButton.setOnTouchListener(this::onRecentsTouch);
ButtonDispatcher homeButton = mView.getHomeButton();
homeButton.setOnTouchListener(this::onHomeTouch);
reconfigureHomeLongClick();
ButtonDispatcher accessibilityButton = mView.getAccessibilityButton();
accessibilityButton.setOnClickListener(this::onAccessibilityClick);
accessibilityButton.setOnLongClickListener(this::onAccessibilityLongClick);
updateAccessibilityStateFlags();
ButtonDispatcher imeSwitcherButton = mView.getImeSwitchButton();
imeSwitcherButton.setOnClickListener(this::onImeSwitcherClick);
updateScreenPinningGestures();
}
@VisibleForTesting
boolean onHomeTouch(View v, MotionEvent event) {
if (mHomeBlockedThisTouch && event.getActionMasked() != MotionEvent.ACTION_DOWN) {
return true;
}
// If an incoming call is ringing, HOME is totally disabled.
// (The user is already on the InCallUI at this point,
// and their ONLY options are to answer or reject the call.)
final Optional<CentralSurfaces> centralSurfacesOptional = mCentralSurfacesOptionalLazy.get();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mHomeBlockedThisTouch = false;
if (mTelecomManagerOptional.isPresent()
&& mTelecomManagerOptional.get().isRinging()) {
if (centralSurfacesOptional.map(CentralSurfaces::isKeyguardShowing)
.orElse(false)) {
Log.i(TAG, "Ignoring HOME; there's a ringing incoming call. " +
"No heads up");
mHomeBlockedThisTouch = true;
return true;
}
}
if (mLongPressHomeEnabled) {
mHomeButtonLongPressDurationMs.ifPresent(longPressDuration -> {
mHandler.postDelayed(mOnVariableDurationHomeLongClick, longPressDuration);
});
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mHandler.removeCallbacks(mOnVariableDurationHomeLongClick);
centralSurfacesOptional.ifPresent(CentralSurfaces::awakenDreams);
break;
}
return false;
}
private void onVerticalChanged(boolean isVertical) {
mCentralSurfacesOptionalLazy.get().ifPresent(
statusBar -> statusBar.setQsScrimEnabled(!isVertical));
}
private boolean onNavigationTouch(View v, MotionEvent event) {
if (mAutoHideController != null) {
mAutoHideController.checkUserAutoHide(event);
}
return false;
}
@VisibleForTesting
boolean onHomeLongClick(View v) {
if (!mView.isRecentsButtonVisible()
&& ActivityManagerWrapper.getInstance().isScreenPinningActive()) {
return onLongPressBackHome(v);
}
if (shouldDisableNavbarGestures()) {
return false;
}
mMetricsLogger.action(MetricsEvent.ACTION_ASSIST_LONG_PRESS);
mUiEventLogger.log(NavBarActionEvent.NAVBAR_ASSIST_LONGPRESS);
Bundle args = new Bundle();
args.putInt(
AssistManager.INVOCATION_TYPE_KEY,
AssistManager.INVOCATION_TYPE_HOME_BUTTON_LONG_PRESS);
mAssistManagerLazy.get().startAssist(args);
mCentralSurfacesOptionalLazy.get().ifPresent(CentralSurfaces::awakenDreams);
mView.abortCurrentGesture();
return true;
}
// additional optimization when we have software system buttons - start loading the recent
// tasks on touch down
private boolean onRecentsTouch(View v, MotionEvent event) {
int action = event.getAction() & MotionEvent.ACTION_MASK;
if (action == MotionEvent.ACTION_DOWN) {
mCommandQueue.preloadRecentApps();
} else if (action == MotionEvent.ACTION_CANCEL) {
mCommandQueue.cancelPreloadRecentApps();
} else if (action == MotionEvent.ACTION_UP) {
if (!v.isPressed()) {
mCommandQueue.cancelPreloadRecentApps();
}
}
return false;
}
private void onRecentsClick(View v) {
if (LatencyTracker.isEnabled(mContext)) {
LatencyTracker.getInstance(mContext).onActionStart(
LatencyTracker.ACTION_TOGGLE_RECENTS);
}
mCentralSurfacesOptionalLazy.get().ifPresent(CentralSurfaces::awakenDreams);
mCommandQueue.toggleRecentApps();
}
private void onImeSwitcherClick(View v) {
mInputMethodManager.showInputMethodPickerFromSystem(
true /* showAuxiliarySubtypes */, mDisplayId);
mUiEventLogger.log(KeyButtonView.NavBarButtonEvent.NAVBAR_IME_SWITCHER_BUTTON_TAP);
};
private boolean onLongPressBackHome(View v) {
return onLongPressNavigationButtons(v, R.id.back, R.id.home);
}
private boolean onLongPressBackRecents(View v) {
return onLongPressNavigationButtons(v, R.id.back, R.id.recent_apps);
}
/**
* This handles long-press of both back and recents/home. Back is the common button with
* combination of recents if it is visible or home if recents is invisible.
* They are handled together to capture them both being long-pressed
* at the same time to exit screen pinning (lock task).
*
* When accessibility mode is on, only a long-press from recents/home
* is required to exit.
*
* In all other circumstances we try to pass through long-press events
* for Back, so that apps can still use it. Which can be from two things.
* 1) Not currently in screen pinning (lock task).
* 2) Back is long-pressed without recents/home.
*/
private boolean onLongPressNavigationButtons(View v, @IdRes int btnId1, @IdRes int btnId2) {
try {
boolean sendBackLongPress = false;
IActivityTaskManager activityManager = ActivityTaskManager.getService();
boolean touchExplorationEnabled = mAccessibilityManager.isTouchExplorationEnabled();
boolean inLockTaskMode = activityManager.isInLockTaskMode();
boolean stopLockTaskMode = false;
try {
if (inLockTaskMode && !touchExplorationEnabled) {
long time = System.currentTimeMillis();
// If we recently long-pressed the other button then they were
// long-pressed 'together'
if ((time - mLastLockToAppLongPress) < LOCK_TO_APP_GESTURE_TOLERENCE) {
stopLockTaskMode = true;
return true;
} else if (v.getId() == btnId1) {
ButtonDispatcher button = btnId2 == R.id.recent_apps
? mView.getRecentsButton() : mView.getHomeButton();
if (!button.getCurrentView().isPressed()) {
// If we aren't pressing recents/home right now then they presses
// won't be together, so send the standard long-press action.
sendBackLongPress = true;
}
}
mLastLockToAppLongPress = time;
} else {
// If this is back still need to handle sending the long-press event.
if (v.getId() == btnId1) {
sendBackLongPress = true;
} else if (touchExplorationEnabled && inLockTaskMode) {
// When in accessibility mode a long press that is recents/home (not back)
// should stop lock task.
stopLockTaskMode = true;
return true;
} else if (v.getId() == btnId2) {
return btnId2 == R.id.recent_apps
? false
: onHomeLongClick(mView.getHomeButton().getCurrentView());
}
}
} finally {
if (stopLockTaskMode) {
activityManager.stopSystemLockTaskMode();
// When exiting refresh disabled flags.
mView.updateNavButtonIcons();
}
}
if (sendBackLongPress) {
KeyButtonView keyButtonView = (KeyButtonView) v;
keyButtonView.sendEvent(KeyEvent.ACTION_DOWN, KeyEvent.FLAG_LONG_PRESS);
keyButtonView.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_LONG_CLICKED);
return true;
}
} catch (RemoteException e) {
Log.d(TAG, "Unable to reach activity manager", e);
}
return false;
}
private void onAccessibilityClick(View v) {
final Display display = v.getDisplay();
mAccessibilityManager.notifyAccessibilityButtonClicked(
display != null ? display.getDisplayId() : DEFAULT_DISPLAY);
}
private boolean onAccessibilityLongClick(View v) {
final Intent intent = new Intent(AccessibilityManager.ACTION_CHOOSE_ACCESSIBILITY_BUTTON);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
final String chooserClassName = AccessibilityButtonChooserActivity.class.getName();
intent.setClassName(CHOOSER_PACKAGE_NAME, chooserClassName);
mContext.startActivityAsUser(intent, UserHandle.CURRENT);
return true;
}
void updateAccessibilityStateFlags() {
if (mView != null) {
int a11yFlags = mNavBarHelper.getA11yButtonState();
boolean clickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_CLICKABLE) != 0;
boolean longClickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE) != 0;
mView.setAccessibilityButtonState(clickable, longClickable);
}
updateSystemUiStateFlags();
}
public void updateSystemUiStateFlags() {
int a11yFlags = mNavBarHelper.getA11yButtonState();
boolean clickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_CLICKABLE) != 0;
boolean longClickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE) != 0;
mSysUiFlagsContainer.setFlag(SYSUI_STATE_A11Y_BUTTON_CLICKABLE, clickable)
.setFlag(SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE, longClickable)
.setFlag(SYSUI_STATE_NAV_BAR_HIDDEN, !isNavBarWindowVisible())
.setFlag(SYSUI_STATE_IME_SHOWING,
(mNavigationIconHints & NAVIGATION_HINT_BACK_ALT) != 0)
.setFlag(SYSUI_STATE_IME_SWITCHER_SHOWING,
(mNavigationIconHints & NAVIGATION_HINT_IME_SWITCHER_SHOWN) != 0)
.setFlag(SYSUI_STATE_ALLOW_GESTURE_IGNORING_BAR_VISIBILITY,
allowSystemGestureIgnoringBarVisibility())
.commitUpdate(mDisplayId);
}
private void updateAssistantEntrypoints(boolean assistantAvailable) {
if (mOverviewProxyService.getProxy() != null) {
try {
mOverviewProxyService.getProxy().onAssistantAvailable(assistantAvailable);
} catch (RemoteException e) {
Log.w(TAG, "Unable to send assistant availability data to launcher");
}
}
reconfigureHomeLongClick();
}
// ----- Methods that DisplayNavigationBarController talks to -----
/** Applies auto dimming animation on navigation bar when touched. */
public void touchAutoDim() {
getBarTransitions().setAutoDim(false);
mHandler.removeCallbacks(mAutoDim);
int state = mStatusBarStateController.getState();
if (state != StatusBarState.KEYGUARD && state != StatusBarState.SHADE_LOCKED) {
mHandler.postDelayed(mAutoDim, AUTODIM_TIMEOUT_MS);
}
}
public void setLightBarController(LightBarController lightBarController) {
mLightBarController = lightBarController;
if (mLightBarController != null) {
mLightBarController.setNavigationBar(
getBarTransitions().getLightTransitionsController());
}
}
private void setWindowVisible(boolean visible) {
mRegionSamplingHelper.setWindowVisible(visible);
mView.setWindowVisible(visible);
}
/** Sets {@link AutoHideController} to the navigation bar. */
private void setAutoHideController(AutoHideController autoHideController) {
mAutoHideController = autoHideController;
if (mAutoHideController != null) {
mAutoHideController.setNavigationBar(mAutoHideUiElement);
}
mView.setAutoHideController(autoHideController);
}
private boolean isTransientShown() {
return mTransientShown;
}
private void checkBarModes() {
// We only have status bar on default display now.
if (mIsOnDefaultDisplay) {
mCentralSurfacesOptionalLazy.get().ifPresent(CentralSurfaces::checkBarModes);
} else {
checkNavBarModes();
}
}
public boolean isNavBarWindowVisible() {
return mNavigationBarWindowState == WINDOW_STATE_SHOWING;
}
private boolean allowSystemGestureIgnoringBarVisibility() {
return mBehavior != BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE;
}
/**
* Checks current navigation bar mode and make transitions.
*/
public void checkNavBarModes() {
final boolean anim =
mCentralSurfacesOptionalLazy.get().map(CentralSurfaces::isDeviceInteractive)
.orElse(false)
&& mNavigationBarWindowState != WINDOW_STATE_HIDDEN;
getBarTransitions().transitionTo(mTransitionMode, anim);
}
public void disableAnimationsDuringHide(long delay) {
mView.setLayoutTransitionsEnabled(false);
mHandler.postDelayed(mEnableLayoutTransitions,
delay + StackStateAnimator.ANIMATION_DURATION_GO_TO_FULL_SHADE);
}
/**
* Performs transitions on navigation bar.
*
* @param barMode transition bar mode.
* @param animate shows animations if {@code true}.
*/
public void transitionTo(@TransitionMode int barMode, boolean animate) {
getBarTransitions().transitionTo(barMode, animate);
}
public NavigationBarTransitions getBarTransitions() {
return mNavigationBarTransitions;
}
public void finishBarAnimations() {
getBarTransitions().finishAnimations();
}
private WindowManager.LayoutParams getBarLayoutParams(int rotation) {
WindowManager.LayoutParams lp = getBarLayoutParamsForRotation(rotation);
lp.paramsForRotation = new WindowManager.LayoutParams[4];
for (int rot = Surface.ROTATION_0; rot <= Surface.ROTATION_270; rot++) {
lp.paramsForRotation[rot] = getBarLayoutParamsForRotation(rot);
}
return lp;
}
private WindowManager.LayoutParams getBarLayoutParamsForRotation(int rotation) {
int width = WindowManager.LayoutParams.MATCH_PARENT;
int height = WindowManager.LayoutParams.MATCH_PARENT;
int insetsHeight = -1;
int gravity = Gravity.BOTTOM;
boolean navBarCanMove = true;
final Context userContext = mUserContextProvider.createCurrentUserContext(mContext);
if (mWindowManager != null && mWindowManager.getCurrentWindowMetrics() != null) {
Rect displaySize = mWindowManager.getCurrentWindowMetrics().getBounds();
navBarCanMove = displaySize.width() != displaySize.height()
&& userContext.getResources().getBoolean(
com.android.internal.R.bool.config_navBarCanMove);
}
if (!navBarCanMove) {
height = userContext.getResources().getDimensionPixelSize(
com.android.internal.R.dimen.navigation_bar_frame_height);
insetsHeight = userContext.getResources().getDimensionPixelSize(
com.android.internal.R.dimen.navigation_bar_height);
} else {
switch (rotation) {
case ROTATION_UNDEFINED:
case Surface.ROTATION_0:
case Surface.ROTATION_180:
height = userContext.getResources().getDimensionPixelSize(
com.android.internal.R.dimen.navigation_bar_frame_height);
insetsHeight = userContext.getResources().getDimensionPixelSize(
com.android.internal.R.dimen.navigation_bar_height);
break;
case Surface.ROTATION_90:
gravity = Gravity.RIGHT;
width = userContext.getResources().getDimensionPixelSize(
com.android.internal.R.dimen.navigation_bar_width);
break;
case Surface.ROTATION_270:
gravity = Gravity.LEFT;
width = userContext.getResources().getDimensionPixelSize(
com.android.internal.R.dimen.navigation_bar_width);
break;
}
}
WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
width,
height,
WindowManager.LayoutParams.TYPE_NAVIGATION_BAR,
WindowManager.LayoutParams.FLAG_TOUCHABLE_WHEN_WAKING
| WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
| WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
| WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
| WindowManager.LayoutParams.FLAG_SPLIT_TOUCH
| WindowManager.LayoutParams.FLAG_SLIPPERY,
PixelFormat.TRANSLUCENT);
lp.gravity = gravity;
if (insetsHeight != -1) {
lp.providedInsets = new InsetsFrameProvider[] {
new InsetsFrameProvider(ITYPE_NAVIGATION_BAR, Insets.of(0, 0, 0, insetsHeight))
};
} else {
lp.providedInsets = new InsetsFrameProvider[] {
new InsetsFrameProvider(ITYPE_NAVIGATION_BAR)
};
}
lp.token = new Binder();
lp.accessibilityTitle = userContext.getString(R.string.nav_bar);
lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COLOR_SPACE_AGNOSTIC
| WindowManager.LayoutParams.PRIVATE_FLAG_LAYOUT_SIZE_EXTENDED_BY_CUTOUT;
lp.layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS;
lp.windowAnimations = 0;
lp.setTitle("NavigationBar" + userContext.getDisplayId());
lp.setFitInsetsTypes(0 /* types */);
lp.setTrustedOverlay();
return lp;
}
private boolean canShowSecondaryHandle() {
return mNavBarMode == NAV_BAR_MODE_GESTURAL && mOrientationHandle != null;
}
private final Consumer<Integer> mRotationWatcher = rotation -> {
if (mView != null && mView.needsReorient(rotation)) {
repositionNavigationBar(rotation);
}
};
private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// TODO(193941146): Currently unregistering a receiver through BroadcastDispatcher is
// async, but we've already cleared the fields. Just return early in this case.
if (mView == null) {
return;
}
String action = intent.getAction();
if (Intent.ACTION_SCREEN_OFF.equals(action)
|| Intent.ACTION_SCREEN_ON.equals(action)) {
notifyNavigationBarScreenOn();
boolean isScreenOn = Intent.ACTION_SCREEN_ON.equals(action);
mView.onScreenStateChanged(isScreenOn);
if (isScreenOn) {
if (isGesturalModeOnDefaultDisplay(getContext(), mNavBarMode)) {
mRegionSamplingHelper.start(mSamplingBounds);
}
} else {
mRegionSamplingHelper.stop();
}
}
if (Intent.ACTION_USER_SWITCHED.equals(action)) {
// The accessibility settings may be different for the new user
updateAccessibilityStateFlags();
}
}
};
@VisibleForTesting
int getNavigationIconHints() {
return mNavigationIconHints;
}
private void setNavigationIconHints(int hints) {
if (hints == mNavigationIconHints) return;
if (!isTablet(mContext)) {
// All IME functions handled by launcher via Sysui flags for large screen
final boolean newBackAlt = (hints & StatusBarManager.NAVIGATION_HINT_BACK_ALT) != 0;
final boolean oldBackAlt =
(mNavigationIconHints & StatusBarManager.NAVIGATION_HINT_BACK_ALT) != 0;
if (newBackAlt != oldBackAlt) {
mView.onImeVisibilityChanged(newBackAlt);
mImeVisible = newBackAlt;
}
mView.setNavigationIconHints(hints);
}
if (DEBUG) {
android.widget.Toast.makeText(mContext,
"Navigation icon hints = " + hints,
500).show();
}
mNavigationIconHints = hints;
}
/**
* @param includeFloatingButtons Whether to include the floating rotation and overlay button in
* the region for all the buttons
* @param inScreenSpace Whether to return values in screen space or window space
* @param useNearestRegion Whether to use the nearest region instead of the actual button bounds
* @return
*/
Region getButtonLocations(boolean includeFloatingButtons, boolean inScreenSpace,
boolean useNearestRegion) {
if (useNearestRegion && !inScreenSpace) {
// We currently don't support getting the nearest region in anything but screen space
useNearestRegion = false;
}
Region region = new Region();
Map<View, Rect> touchRegionCache = mView.getButtonTouchRegionCache();
updateButtonLocation(
region, touchRegionCache, mView.getBackButton(), inScreenSpace, useNearestRegion);
updateButtonLocation(
region, touchRegionCache, mView.getHomeButton(), inScreenSpace, useNearestRegion);
updateButtonLocation(region, touchRegionCache, mView.getRecentsButton(), inScreenSpace,
useNearestRegion);
updateButtonLocation(region, touchRegionCache, mView.getImeSwitchButton(), inScreenSpace,
useNearestRegion);
updateButtonLocation(
region, touchRegionCache, mView.getAccessibilityButton(), inScreenSpace,
useNearestRegion);
if (includeFloatingButtons && mView.getFloatingRotationButton().isVisible()) {
// Note: this button is floating so the nearest region doesn't apply
updateButtonLocation(
region, mView.getFloatingRotationButton().getCurrentView(), inScreenSpace);
} else {
updateButtonLocation(region, touchRegionCache, mView.getRotateSuggestionButton(),
inScreenSpace, useNearestRegion);
}
return region;
}
private void updateButtonLocation(
Region region,
Map<View, Rect> touchRegionCache,
ButtonDispatcher button,
boolean inScreenSpace,
boolean useNearestRegion) {
if (button == null) {
return;
}
View view = button.getCurrentView();
if (view == null || !button.isVisible()) {
return;
}
// If the button is tappable from perspective of NearestTouchFrame, then we'll
// include the regions where the tap is valid instead of just the button layout location
if (useNearestRegion && touchRegionCache.containsKey(view)) {
region.op(touchRegionCache.get(view), Region.Op.UNION);
return;
}
updateButtonLocation(region, view, inScreenSpace);
}
private void updateButtonLocation(Region region, View view, boolean inScreenSpace) {
Rect bounds = new Rect();
if (inScreenSpace) {
view.getBoundsOnScreen(bounds);
} else {
int[] location = new int[2];
view.getLocationInWindow(location);
bounds.set(location[0], location[1],
location[0] + view.getWidth(),
location[1] + view.getHeight());
}
region.op(bounds, Region.Op.UNION);
}
void setOrientedHandleSamplingRegion(Rect orientedHandleSamplingRegion) {
mOrientedHandleSamplingRegion = orientedHandleSamplingRegion;
mRegionSamplingHelper.updateSamplingRect();
}
private Rect calculateSamplingRect() {
mSamplingBounds.setEmpty();
// TODO: Extend this to 2/3 button layout as well
View view = mView.getHomeHandle().getCurrentView();
if (view != null) {
int[] pos = new int[2];
view.getLocationOnScreen(pos);
Point displaySize = new Point();
view.getContext().getDisplay().getRealSize(displaySize);
final Rect samplingBounds = new Rect(pos[0] - mNavColorSampleMargin,
displaySize.y - mView.getNavBarHeight(),
pos[0] + view.getWidth() + mNavColorSampleMargin,
displaySize.y);
mSamplingBounds.set(samplingBounds);
}
return mSamplingBounds;
}
void setNavigationBarLumaSamplingEnabled(boolean enable) {
if (enable) {
mRegionSamplingHelper.start(mSamplingBounds);
} else {
mRegionSamplingHelper.stop();
}
}
private void setNavBarMode(int mode) {
mView.setNavBarMode(mode, mNavigationModeController.getImeDrawsImeNavBar());
if (isGesturalMode(mode)) {
mRegionSamplingHelper.start(mSamplingBounds);
} else {
mRegionSamplingHelper.stop();
}
}
void onBarTransition(int newMode) {
if (newMode == MODE_OPAQUE) {
// If the nav bar background is opaque, stop auto tinting since we know the icons are
// showing over a dark background
mRegionSamplingHelper.stop();
getBarTransitions().getLightTransitionsController().setIconsDark(
false /* dark */, true /* animate */);
} else {
mRegionSamplingHelper.start(mSamplingBounds);
}
}
private final ModeChangedListener mModeChangedListener = new ModeChangedListener() {
@Override
public void onNavigationModeChanged(int mode) {
mNavBarMode = mode;
if (!QuickStepContract.isGesturalMode(mode)) {
// Reset the override alpha
if (getBarTransitions() != null) {
getBarTransitions().setBackgroundOverrideAlpha(1f);
}
}
updateScreenPinningGestures();
if (!canShowSecondaryHandle()) {
resetSecondaryHandle();
}
setNavBarMode(mode);
mView.setShouldShowSwipeUpUi(mOverviewProxyService.shouldShowSwipeUpUI());
}
};
private final Gefingerpoken mTouchHandler = new Gefingerpoken() {
private boolean mDeadZoneConsuming;
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (isGesturalMode(mNavBarMode) && mImeVisible
&& ev.getAction() == MotionEvent.ACTION_DOWN) {
SysUiStatsLog.write(SysUiStatsLog.IME_TOUCH_REPORTED,
(int) ev.getX(), (int) ev.getY());
}
return shouldDeadZoneConsumeTouchEvents(ev);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
shouldDeadZoneConsumeTouchEvents(ev);
return false;
}
private boolean shouldDeadZoneConsumeTouchEvents(MotionEvent event) {
int action = event.getActionMasked();
if (action == MotionEvent.ACTION_DOWN) {
mDeadZoneConsuming = false;
}
if (mDeadZone.onTouchEvent(event) || mDeadZoneConsuming) {
switch (action) {
case MotionEvent.ACTION_DOWN:
// Allow gestures starting in the deadzone to be slippery
mView.setSlippery(true);
mDeadZoneConsuming = true;
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
// When a gesture started in the deadzone is finished, restore
// slippery state
mView.updateSlippery();
mDeadZoneConsuming = false;
break;
}
return true;
}
return false;
}
};
}