blob: b2aa769f1bff21bbb9e4b645b2d93dd96268fabf [file] [log] [blame]
/*
* Copyright (C) 2017 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.statusbar.phone;
import static android.app.StatusBarManager.NAVIGATION_HINT_BACK_ALT;
import static android.app.StatusBarManager.NAVIGATION_HINT_IME_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.view.InsetsState.ITYPE_NAVIGATION_BAR;
import static android.view.InsetsState.containsType;
import static android.view.WindowInsetsController.APPEARANCE_LOW_PROFILE_BARS;
import static android.view.WindowInsetsController.APPEARANCE_OPAQUE_NAVIGATION_BARS;
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.NAV_BAR_HANDLE_FORCE_OPAQUE;
import static com.android.systemui.recents.OverviewProxyService.OverviewProxyListener;
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_NAV_BAR_HIDDEN;
import static com.android.systemui.statusbar.phone.BarTransitions.MODE_LIGHTS_OUT;
import static com.android.systemui.statusbar.phone.BarTransitions.MODE_LIGHTS_OUT_TRANSPARENT;
import static com.android.systemui.statusbar.phone.BarTransitions.MODE_OPAQUE;
import static com.android.systemui.statusbar.phone.BarTransitions.MODE_SEMI_TRANSPARENT;
import static com.android.systemui.statusbar.phone.BarTransitions.MODE_TRANSPARENT;
import static com.android.systemui.statusbar.phone.BarTransitions.TransitionMode;
import static com.android.systemui.statusbar.phone.StatusBar.DEBUG_WINDOW_STATE;
import static com.android.systemui.statusbar.phone.StatusBar.dumpBarTransitions;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.annotation.IdRes;
import android.annotation.Nullable;
import android.app.ActivityManager;
import android.app.ActivityTaskManager;
import android.app.IActivityTaskManager;
import android.app.StatusBarManager;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.res.Configuration;
import android.database.ContentObserver;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.hardware.display.DisplayManager;
import android.inputmethodservice.InputMethodService;
import android.net.Uri;
import android.os.Binder;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.RemoteException;
import android.os.UserHandle;
import android.provider.DeviceConfig;
import android.provider.Settings;
import android.telecom.TelecomManager;
import android.text.TextUtils;
import android.util.Log;
import android.view.Display;
import android.view.Gravity;
import android.view.InsetsState.InternalInsetsType;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowInsetsController.Appearance;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.view.accessibility.AccessibilityManager.AccessibilityServicesStateChangeListener;
import androidx.annotation.VisibleForTesting;
import com.android.internal.accessibility.dialog.AccessibilityButtonChooserActivity;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.util.LatencyTracker;
import com.android.internal.view.AppearanceRegion;
import com.android.systemui.R;
import com.android.systemui.accessibility.SystemActions;
import com.android.systemui.assist.AssistHandleViewController;
import com.android.systemui.assist.AssistManager;
import com.android.systemui.broadcast.BroadcastDispatcher;
import com.android.systemui.dagger.qualifiers.Main;
import com.android.systemui.fragments.FragmentHostManager;
import com.android.systemui.fragments.FragmentHostManager.FragmentListener;
import com.android.systemui.model.SysUiState;
import com.android.systemui.plugins.statusbar.StatusBarStateController;
import com.android.systemui.recents.OverviewProxyService;
import com.android.systemui.recents.Recents;
import com.android.systemui.shared.system.ActivityManagerWrapper;
import com.android.systemui.shared.system.QuickStepContract;
import com.android.systemui.shared.system.TaskStackChangeListener;
import com.android.systemui.stackdivider.Divider;
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.StatusBarState;
import com.android.systemui.statusbar.notification.stack.StackStateAnimator;
import com.android.systemui.statusbar.phone.ContextualButton.ContextButtonListener;
import com.android.systemui.statusbar.policy.AccessibilityManagerWrapper;
import com.android.systemui.statusbar.policy.DeviceProvisionedController;
import com.android.systemui.statusbar.policy.KeyButtonView;
import com.android.systemui.util.LifecycleFragment;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.List;
import java.util.Locale;
import java.util.Optional;
import java.util.function.Consumer;
import javax.inject.Inject;
import dagger.Lazy;
/**
* Fragment containing the NavigationBarFragment. Contains logic for what happens
* on clicks and view states of the nav bar.
*/
public class NavigationBarFragment extends LifecycleFragment implements Callbacks,
NavigationModeController.ModeChangedListener, DisplayManager.DisplayListener {
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_TRANSIENT_STATE = "transient_state";
private static final String FIXED_ROTATION_TRANSFORM_SETTING_NAME = "fixed_rotation_transform";
/** 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 AccessibilityManagerWrapper mAccessibilityManagerWrapper;
protected final AssistManager mAssistManager;
private SysUiState mSysUiFlagsContainer;
private final MetricsLogger mMetricsLogger;
private final DeviceProvisionedController mDeviceProvisionedController;
private final StatusBarStateController mStatusBarStateController;
private final NavigationModeController mNavigationModeController;
protected NavigationBarView mNavigationBarView = null;
private @WindowVisibleState int mNavigationBarWindowState = WINDOW_STATE_SHOWING;
private int mNavigationIconHints = 0;
private @TransitionMode int mNavigationBarMode;
private AccessibilityManager mAccessibilityManager;
private ContentResolver mContentResolver;
private boolean mAssistantAvailable;
private int mDisabledFlags1;
private int mDisabledFlags2;
private final Lazy<StatusBar> mStatusBarLazy;
private final ShadeController mShadeController;
private final NotificationRemoteInputManager mNotificationRemoteInputManager;
private Recents mRecents;
private StatusBar mStatusBar;
private final Divider mDivider;
private final Optional<Recents> mRecentsOptional;
private WindowManager mWindowManager;
private final CommandQueue mCommandQueue;
private long mLastLockToAppLongPress;
private final SystemActions mSystemActions;
private Locale mLocale;
private int mLayoutDirection;
private boolean mForceNavBarHandleOpaque;
/** @see android.view.WindowInsetsController#setSystemBarsAppearance(int) */
private @Appearance int mAppearance;
private boolean mTransientShown;
private int mNavBarMode = NAV_BAR_MODE_3BUTTON;
private LightBarController mLightBarController;
private AutoHideController mAutoHideController;
private OverviewProxyService mOverviewProxyService;
private final BroadcastDispatcher mBroadcastDispatcher;
@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#onQuickSwitchToNewTask(int)} callback with the
* original handle hidden and we'll flip the visibilities once the
* {@link #mTasksFrozenListener} fires
*/
private NavigationHandle mOrientationHandle;
private WindowManager.LayoutParams mOrientationParams;
private boolean mFrozenTasks;
private int mStartingQuickSwitchRotation;
private int mCurrentRotation;
private boolean mFixedRotationEnabled;
/** Only for default display */
@Nullable
private AssistHandleViewController mAssistHandlerViewController;
private final Handler mHandler;
private final AutoHideUiElement mAutoHideUiElement = new AutoHideUiElement() {
@Override
public void synchronizeState() {
checkNavBarModes();
}
@Override
public boolean shouldHideOnTouch() {
return !mNotificationRemoteInputManager.getController().isRemoteInputActive();
}
@Override
public boolean isVisible() {
return isTransientShown();
}
@Override
public void hide() {
clearTransient();
}
};
private final OverviewProxyListener mOverviewProxyListener = new OverviewProxyListener() {
@Override
public void onConnectionChanged(boolean isConnected) {
mNavigationBarView.updateStates();
updateScreenPinningGestures();
// Send the assistant availability upon connection
if (isConnected) {
sendAssistantAvailability(mAssistantAvailable);
}
}
@Override
public void onQuickStepStarted() {
// Use navbar dragging as a signal to hide the rotate button
mNavigationBarView.getRotationButtonController().setRotateSuggestionButtonState(false);
// Hide the notifications panel when quick step starts
mShadeController.collapsePanel(true /* animate */);
}
@Override
public void onQuickSwitchToNewTask(@Surface.Rotation int rotation) {
mStartingQuickSwitchRotation = rotation;
orientSecondaryHomeHandle();
}
@Override
public void startAssistant(Bundle bundle) {
mAssistManager.startAssist(bundle);
}
@Override
public void onNavBarButtonAlphaChanged(float alpha, boolean animate) {
ButtonDispatcher buttonDispatcher = null;
boolean forceVisible = false;
if (QuickStepContract.isSwipeUpMode(mNavBarMode)) {
buttonDispatcher = mNavigationBarView.getBackButton();
} else if (QuickStepContract.isGesturalMode(mNavBarMode)) {
forceVisible = mForceNavBarHandleOpaque;
buttonDispatcher = mNavigationBarView.getHomeHandle();
}
if (buttonDispatcher != null) {
buttonDispatcher.setVisibility(
(forceVisible || alpha > 0) ? View.VISIBLE : View.INVISIBLE);
buttonDispatcher.setAlpha(forceVisible ? 1f : alpha, animate);
}
}
};
private TaskStackChangeListener mTasksFrozenListener = new TaskStackChangeListener() {
@Override
public void onRecentTaskListFrozenChanged(boolean frozen) {
mFrozenTasks = frozen;
orientSecondaryHomeHandle();
}
};
private NavigationBarTransitions.DarkIntensityListener mOrientationHandleIntensityListener =
new NavigationBarTransitions.DarkIntensityListener() {
@Override
public void onDarkIntensity(float darkIntensity) {
mOrientationHandle.setDarkIntensity(darkIntensity);
}
};
private final ContextButtonListener mRotationButtonListener = (button, visible) -> {
if (visible) {
// If the button will actually become visible and the navbar is about to hide,
// tell the statusbar to keep it around for longer
mAutoHideController.touchAutoHide();
}
};
private final Runnable mAutoDim = () -> getBarTransitions().setAutoDim(true);
private final ContentObserver mAssistContentObserver = new ContentObserver(
new Handler(Looper.getMainLooper())) {
@Override
public void onChange(boolean selfChange, Uri uri) {
boolean available = mAssistManager
.getAssistInfoForUser(UserHandle.USER_CURRENT) != null;
if (mAssistantAvailable != available) {
sendAssistantAvailability(available);
mAssistantAvailable = available;
}
}
};
private final ContentObserver mFixedRotationObserver = new ContentObserver(
new Handler(Looper.getMainLooper())) {
@Override
public void onChange(boolean selfChange, Uri uri) {
updatedFixedRotation();
}
};
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);
}
}
};
@Inject
public NavigationBarFragment(AccessibilityManagerWrapper accessibilityManagerWrapper,
DeviceProvisionedController deviceProvisionedController, MetricsLogger metricsLogger,
AssistManager assistManager, OverviewProxyService overviewProxyService,
NavigationModeController navigationModeController,
StatusBarStateController statusBarStateController,
SysUiState sysUiFlagsContainer,
BroadcastDispatcher broadcastDispatcher,
CommandQueue commandQueue, Divider divider,
Optional<Recents> recentsOptional, Lazy<StatusBar> statusBarLazy,
ShadeController shadeController,
NotificationRemoteInputManager notificationRemoteInputManager,
SystemActions systemActions,
@Main Handler mainHandler) {
mAccessibilityManagerWrapper = accessibilityManagerWrapper;
mDeviceProvisionedController = deviceProvisionedController;
mStatusBarStateController = statusBarStateController;
mMetricsLogger = metricsLogger;
mAssistManager = assistManager;
mSysUiFlagsContainer = sysUiFlagsContainer;
mStatusBarLazy = statusBarLazy;
mShadeController = shadeController;
mNotificationRemoteInputManager = notificationRemoteInputManager;
mAssistantAvailable = mAssistManager.getAssistInfoForUser(UserHandle.USER_CURRENT) != null;
mOverviewProxyService = overviewProxyService;
mNavigationModeController = navigationModeController;
mNavBarMode = navigationModeController.addListener(this);
mBroadcastDispatcher = broadcastDispatcher;
mCommandQueue = commandQueue;
mDivider = divider;
mRecentsOptional = recentsOptional;
mSystemActions = systemActions;
mHandler = mainHandler;
}
// ----- Fragment Lifecycle Callbacks -----
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mCommandQueue.observe(getLifecycle(), this);
mWindowManager = getContext().getSystemService(WindowManager.class);
mAccessibilityManager = getContext().getSystemService(AccessibilityManager.class);
mContentResolver = getContext().getContentResolver();
mContentResolver.registerContentObserver(
Settings.Secure.getUriFor(Settings.Secure.ASSISTANT),
false /* notifyForDescendants */, mAssistContentObserver, UserHandle.USER_ALL);
mContentResolver.registerContentObserver(
Settings.Global.getUriFor(FIXED_ROTATION_TRANSFORM_SETTING_NAME),
false /* notifyForDescendants */, mFixedRotationObserver, UserHandle.USER_ALL);
if (savedInstanceState != null) {
mDisabledFlags1 = savedInstanceState.getInt(EXTRA_DISABLE_STATE, 0);
mDisabledFlags2 = savedInstanceState.getInt(EXTRA_DISABLE2_STATE, 0);
mAppearance = savedInstanceState.getInt(EXTRA_APPEARANCE, 0);
mTransientShown = savedInstanceState.getBoolean(EXTRA_TRANSIENT_STATE, false);
}
mAccessibilityManagerWrapper.addCallback(mAccessibilityListener);
// Respect the latest disabled-flags.
mCommandQueue.recomputeDisableFlags(mDisplayId, false);
mForceNavBarHandleOpaque = DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_SYSTEMUI,
NAV_BAR_HANDLE_FORCE_OPAQUE,
/* defaultValue = */ true);
DeviceConfig.addOnPropertiesChangedListener(
DeviceConfig.NAMESPACE_SYSTEMUI, mHandler::post, mOnPropertiesChangedListener);
}
@Override
public void onDestroy() {
super.onDestroy();
mNavigationModeController.removeListener(this);
mAccessibilityManagerWrapper.removeCallback(mAccessibilityListener);
mContentResolver.unregisterContentObserver(mAssistContentObserver);
mContentResolver.unregisterContentObserver(mFixedRotationObserver);
DeviceConfig.removeOnPropertiesChangedListener(mOnPropertiesChangedListener);
}
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.navigation_bar, container, false);
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
mNavigationBarView = (NavigationBarView) view;
final Display display = view.getDisplay();
// It may not have display when running unit test.
if (display != null) {
mDisplayId = display.getDisplayId();
mIsOnDefaultDisplay = mDisplayId == Display.DEFAULT_DISPLAY;
}
mNavigationBarView.setComponents(mStatusBarLazy.get().getPanelController());
mNavigationBarView.setDisabledFlags(mDisabledFlags1);
mNavigationBarView.setOnVerticalChangedListener(this::onVerticalChanged);
mNavigationBarView.setOnTouchListener(this::onNavigationTouch);
if (savedInstanceState != null) {
mNavigationBarView.getLightTransitionsController().restoreState(savedInstanceState);
}
mNavigationBarView.setNavigationIconHints(mNavigationIconHints);
mNavigationBarView.setWindowVisible(isNavBarWindowVisible());
updatedFixedRotation();
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(-1);
// Currently there is no accelerometer sensor on non-default display.
if (mIsOnDefaultDisplay) {
mNavigationBarView.getRotateSuggestionButton().setListener(mRotationButtonListener);
final RotationButtonController rotationButtonController =
mNavigationBarView.getRotationButtonController();
rotationButtonController.addRotationCallback(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);
if (mIsOnDefaultDisplay) {
mAssistHandlerViewController =
new AssistHandleViewController(mHandler, mNavigationBarView);
getBarTransitions().addDarkIntensityListener(mAssistHandlerViewController);
}
initSecondaryHomeHandleForRotation();
ActivityManagerWrapper.getInstance().registerTaskStackListener(mTasksFrozenListener);
}
@Override
public void onDestroyView() {
super.onDestroyView();
if (mNavigationBarView != null) {
if (mIsOnDefaultDisplay) {
mNavigationBarView.getBarTransitions()
.removeDarkIntensityListener(mAssistHandlerViewController);
mAssistHandlerViewController = null;
}
mNavigationBarView.getBarTransitions().destroy();
mNavigationBarView.getLightTransitionsController().destroy(getContext());
}
mOverviewProxyService.removeCallback(mOverviewProxyListener);
mBroadcastDispatcher.unregisterReceiver(mBroadcastReceiver);
ActivityManagerWrapper.getInstance().unregisterTaskStackListener(mTasksFrozenListener);
if (mOrientationHandle != null) {
resetSecondaryHandle();
getContext().getSystemService(DisplayManager.class).unregisterDisplayListener(this);
getBarTransitions().removeDarkIntensityListener(mOrientationHandleIntensityListener);
mWindowManager.removeView(mOrientationHandle);
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt(EXTRA_DISABLE_STATE, mDisabledFlags1);
outState.putInt(EXTRA_DISABLE2_STATE, mDisabledFlags2);
outState.putInt(EXTRA_APPEARANCE, mAppearance);
outState.putBoolean(EXTRA_TRANSIENT_STATE, mTransientShown);
if (mNavigationBarView != null) {
mNavigationBarView.getLightTransitionsController().saveState(outState);
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
final Locale locale = getContext().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();
}
private void initSecondaryHomeHandleForRotation() {
if (!canShowSecondaryHandle()) {
return;
}
getContext().getSystemService(DisplayManager.class)
.registerDisplayListener(this, new Handler(Looper.getMainLooper()));
mOrientationHandle = new VerticalNavigationHandle(getContext());
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_SPLIT_TOUCH
| WindowManager.LayoutParams.FLAG_SLIPPERY,
PixelFormat.TRANSLUCENT);
mWindowManager.addView(mOrientationHandle, mOrientationParams);
mOrientationHandle.setVisibility(View.GONE);
}
private void orientSecondaryHomeHandle() {
if (!canShowSecondaryHandle()) {
return;
}
if (!mFrozenTasks) {
resetSecondaryHandle();
} else {
int deltaRotation = deltaRotation(mCurrentRotation, mStartingQuickSwitchRotation);
int height = 0;
int width = 0;
Rect dispSize = mWindowManager.getCurrentWindowMetrics().getBounds();
switch (deltaRotation) {
case Surface.ROTATION_90:
case Surface.ROTATION_270:
height = dispSize.height();
width = getResources()
.getDimensionPixelSize(R.dimen.navigation_bar_height);
break;
case Surface.ROTATION_180:
case Surface.ROTATION_0:
// TODO(b/152683657): Need to determine best UX for this
resetSecondaryHandle();
return;
}
mOrientationParams.gravity =
deltaRotation == Surface.ROTATION_90 ? Gravity.LEFT : Gravity.RIGHT;
mOrientationParams.height = height;
mOrientationParams.width = width;
mWindowManager.updateViewLayout(mOrientationHandle, mOrientationParams);
mNavigationBarView.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);
}
if (mNavigationBarView != null) {
mNavigationBarView.setVisibility(View.VISIBLE);
}
}
private int deltaRotation(int oldRotation, int newRotation) {
int delta = newRotation - oldRotation;
if (delta < 0) delta += 4;
return delta;
}
private void updatedFixedRotation() {
mFixedRotationEnabled = Settings.Global.getInt(mContentResolver,
FIXED_ROTATION_TRANSFORM_SETTING_NAME, 0) != 0;
if (!canShowSecondaryHandle()) {
resetSecondaryHandle();
}
}
@Override
public void dump(String prefix, FileDescriptor fd, PrintWriter pw, String[] args) {
if (mNavigationBarView != null) {
pw.print(" mNavigationBarWindowState=");
pw.println(windowStateToString(mNavigationBarWindowState));
pw.print(" mNavigationBarMode=");
pw.println(BarTransitions.modeToString(mNavigationBarMode));
dumpBarTransitions(pw, "mNavigationBarView", mNavigationBarView.getBarTransitions());
}
pw.print(" mNavigationBarView=");
if (mNavigationBarView == null) {
pw.println("null");
} else {
mNavigationBarView.dump(fd, pw, args);
}
}
// ----- CommandQueue Callbacks -----
@Override
public void setImeWindowStatus(int displayId, IBinder token, int vis, int backDisposition,
boolean showImeSwitcher) {
if (displayId != mDisplayId) {
return;
}
boolean imeShown = (vis & InputMethodService.IME_VISIBLE) != 0;
int hints = mNavigationIconHints;
switch (backDisposition) {
case InputMethodService.BACK_DISPOSITION_DEFAULT:
case InputMethodService.BACK_DISPOSITION_WILL_NOT_DISMISS:
case InputMethodService.BACK_DISPOSITION_WILL_DISMISS:
if (imeShown) {
hints |= NAVIGATION_HINT_BACK_ALT;
} else {
hints &= ~NAVIGATION_HINT_BACK_ALT;
}
break;
case InputMethodService.BACK_DISPOSITION_ADJUST_NOTHING:
hints &= ~NAVIGATION_HINT_BACK_ALT;
break;
}
if (showImeSwitcher) {
hints |= NAVIGATION_HINT_IME_SHOWN;
} else {
hints &= ~NAVIGATION_HINT_IME_SHOWN;
}
if (hints == mNavigationIconHints) return;
mNavigationIconHints = hints;
if (mNavigationBarView != null) {
mNavigationBarView.setNavigationIconHints(hints);
}
checkBarModes();
}
@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(-1);
if (DEBUG_WINDOW_STATE) Log.d(TAG, "Navigation bar " + windowStateToString(state));
if (mNavigationBarView != null) {
mNavigationBarView.setWindowVisible(isNavBarWindowVisible());
}
}
}
@Override
public void onRotationProposal(final int rotation, boolean isValid) {
final int winRotation = mNavigationBarView.getDisplay().getRotation();
final boolean rotateSuggestionsDisabled = RotationButtonController
.hasDisable2RotateSuggestionFlag(mDisabledFlags2);
final RotationButtonController rotationButtonController =
mNavigationBarView.getRotationButtonController();
final RotationButton rotationButton = rotationButtonController.getRotationButton();
if (RotationContextButton.DEBUG_ROTATION) {
Log.v(TAG, "onRotationProposal proposedRotation=" + Surface.rotationToString(rotation)
+ ", winRotation=" + Surface.rotationToString(winRotation)
+ ", isValid=" + isValid + ", mNavBarWindowState="
+ StatusBarManager.windowStateToString(mNavigationBarWindowState)
+ ", rotateSuggestionsDisabled=" + rotateSuggestionsDisabled
+ ", isRotateButtonVisible=" + (mNavigationBarView == null ? "null"
: rotationButton.isVisible()));
}
// Respect the disabled flag, no need for action as flag change callback will handle hiding
if (rotateSuggestionsDisabled) return;
rotationButtonController.onRotationProposal(rotation, winRotation, isValid);
}
/** Restores the appearance and the transient saved state to {@link NavigationBarFragment}. */
public void restoreAppearanceAndTransientState() {
final int barMode = barMode(mTransientShown, mAppearance);
mNavigationBarMode = barMode;
checkNavBarModes();
mAutoHideController.touchAutoHide();
mLightBarController.onNavigationBarAppearanceChanged(mAppearance, true /* nbModeChanged */,
barMode, false /* navbarColorManagedByIme */);
}
@Override
public void onSystemBarAppearanceChanged(int displayId, @Appearance int appearance,
AppearanceRegion[] appearanceRegions, boolean navbarColorManagedByIme) {
if (displayId != mDisplayId) {
return;
}
boolean nbModeChanged = false;
if (mAppearance != appearance) {
mAppearance = appearance;
if (getView() == null) {
return;
}
nbModeChanged = updateBarMode(barMode(mTransientShown, appearance));
}
mLightBarController.onNavigationBarAppearanceChanged(appearance, nbModeChanged,
mNavigationBarMode, navbarColorManagedByIme);
}
@Override
public void showTransient(int displayId, @InternalInsetsType int[] types) {
if (displayId != mDisplayId) {
return;
}
if (!containsType(types, ITYPE_NAVIGATION_BAR)) {
return;
}
if (!mTransientShown) {
mTransientShown = true;
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;
handleTransientChanged();
}
}
private void handleTransientChanged() {
if (getView() == null) {
return;
}
if (mNavigationBarView != null) {
mNavigationBarView.onTransientStateChanged(mTransientShown);
}
final int barMode = barMode(mTransientShown, mAppearance);
if (updateBarMode(barMode)) {
mLightBarController.onNavigationBarModeChanged(barMode);
}
}
// Returns true if the bar mode is changed.
private boolean updateBarMode(int barMode) {
if (mNavigationBarMode != barMode) {
if (mNavigationBarMode == MODE_TRANSPARENT
|| mNavigationBarMode == MODE_LIGHTS_OUT_TRANSPARENT) {
mNavigationBarView.hideRecentsOnboarding();
}
mNavigationBarMode = barMode;
checkNavBarModes();
mAutoHideController.touchAutoHide();
return true;
}
return false;
}
private static @TransitionMode int barMode(boolean isTransient, int appearance) {
final int lightsOutOpaque = APPEARANCE_LOW_PROFILE_BARS | APPEARANCE_OPAQUE_NAVIGATION_BARS;
if (isTransient) {
return MODE_SEMI_TRANSPARENT;
} else if ((appearance & lightsOutOpaque) == lightsOutOpaque) {
return MODE_LIGHTS_OUT;
} else if ((appearance & APPEARANCE_LOW_PROFILE_BARS) != 0) {
return MODE_LIGHTS_OUT_TRANSPARENT;
} else if ((appearance & APPEARANCE_OPAQUE_NAVIGATION_BARS) != 0) {
return MODE_OPAQUE;
} else {
return MODE_TRANSPARENT;
}
}
@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;
if (mNavigationBarView != null) {
mNavigationBarView.setDisabledFlags(state1);
}
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
if (mNavigationBarView != null) {
mNavigationBarView.getRotationButtonController().onDisable2FlagChanged(state2);
}
}
// ----- Internal stuff -----
private void refreshLayout(int layoutDirection) {
if (mNavigationBarView != null) {
mNavigationBarView.setLayoutDirection(layoutDirection);
}
}
private boolean shouldDisableNavbarGestures() {
return !mDeviceProvisionedController.isDeviceProvisioned()
|| (mDisabledFlags1 & StatusBarManager.DISABLE_SEARCH) != 0;
}
private void repositionNavigationBar() {
if (mNavigationBarView == null || !mNavigationBarView.isAttachedToWindow()) return;
prepareNavigationBarView();
mWindowManager.updateViewLayout((View) mNavigationBarView.getParent(),
((View) mNavigationBarView.getParent()).getLayoutParams());
}
private void updateScreenPinningGestures() {
if (mNavigationBarView == null) {
return;
}
// Change the cancel pin gesture to home and back if recents button is invisible
boolean recentsVisible = mNavigationBarView.isRecentsButtonVisible();
ButtonDispatcher backButton = mNavigationBarView.getBackButton();
if (recentsVisible) {
backButton.setOnLongClickListener(this::onLongPressBackRecents);
} else {
backButton.setOnLongClickListener(this::onLongPressBackHome);
}
}
private void notifyNavigationBarScreenOn() {
mNavigationBarView.updateNavButtonIcons();
}
private void prepareNavigationBarView() {
mNavigationBarView.reorient();
ButtonDispatcher recentsButton = mNavigationBarView.getRecentsButton();
recentsButton.setOnClickListener(this::onRecentsClick);
recentsButton.setOnTouchListener(this::onRecentsTouch);
recentsButton.setLongClickable(true);
recentsButton.setOnLongClickListener(this::onLongPressBackRecents);
ButtonDispatcher backButton = mNavigationBarView.getBackButton();
backButton.setLongClickable(true);
ButtonDispatcher homeButton = mNavigationBarView.getHomeButton();
homeButton.setOnTouchListener(this::onHomeTouch);
homeButton.setOnLongClickListener(this::onHomeLongClick);
ButtonDispatcher accessibilityButton = mNavigationBarView.getAccessibilityButton();
accessibilityButton.setOnClickListener(this::onAccessibilityClick);
accessibilityButton.setOnLongClickListener(this::onAccessibilityLongClick);
updateAccessibilityServicesState(mAccessibilityManager);
updateScreenPinningGestures();
}
private 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 his ONLY options are to answer or reject the call.)
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mHomeBlockedThisTouch = false;
TelecomManager telecomManager =
getContext().getSystemService(TelecomManager.class);
if (telecomManager != null && telecomManager.isRinging()) {
if (mStatusBarLazy.get().isKeyguardShowing()) {
Log.i(TAG, "Ignoring HOME; there's a ringing incoming call. " +
"No heads up");
mHomeBlockedThisTouch = true;
return true;
}
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
mStatusBarLazy.get().awakenDreams();
break;
}
return false;
}
private void onVerticalChanged(boolean isVertical) {
mStatusBarLazy.get().setQsScrimEnabled(!isVertical);
}
private boolean onNavigationTouch(View v, MotionEvent event) {
mAutoHideController.checkUserAutoHide(event);
return false;
}
@VisibleForTesting
boolean onHomeLongClick(View v) {
if (!mNavigationBarView.isRecentsButtonVisible()
&& ActivityManagerWrapper.getInstance().isScreenPinningActive()) {
return onLongPressBackHome(v);
}
if (shouldDisableNavbarGestures()) {
return false;
}
mMetricsLogger.action(MetricsEvent.ACTION_ASSIST_LONG_PRESS);
Bundle args = new Bundle();
args.putInt(
AssistManager.INVOCATION_TYPE_KEY, AssistManager.INVOCATION_HOME_BUTTON_LONG_PRESS);
mAssistManager.startAssist(args);
mStatusBarLazy.get().awakenDreams();
if (mNavigationBarView != null) {
mNavigationBarView.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(getContext())) {
LatencyTracker.getInstance(getContext()).onActionStart(
LatencyTracker.ACTION_TOGGLE_RECENTS);
}
mStatusBarLazy.get().awakenDreams();
mCommandQueue.toggleRecentApps();
}
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
? mNavigationBarView.getRecentsButton()
: mNavigationBarView.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
? onLongPressRecents()
: onHomeLongClick(
mNavigationBarView.getHomeButton().getCurrentView());
}
}
} finally {
if (stopLockTaskMode) {
activityManager.stopSystemLockTaskMode();
// When exiting refresh disabled flags.
mNavigationBarView.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 boolean onLongPressRecents() {
if (mRecentsOptional.isPresent() || !ActivityTaskManager.supportsMultiWindow(getContext())
|| !mDivider.getView().getSnapAlgorithm().isSplitScreenFeasible()
|| ActivityManager.isLowRamDeviceStatic()
// If we are connected to the overview service, then disable the recents button
|| mOverviewProxyService.getProxy() != null) {
return false;
}
return mStatusBarLazy.get().toggleSplitScreenMode(MetricsEvent.ACTION_WINDOW_DOCK_LONGPRESS,
MetricsEvent.ACTION_WINDOW_UNDOCK_LONGPRESS);
}
private void onAccessibilityClick(View v) {
final Display display = v.getDisplay();
mAccessibilityManager.notifyAccessibilityButtonClicked(
display != null ? display.getDisplayId() : Display.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);
v.getContext().startActivityAsUser(intent, UserHandle.CURRENT);
return true;
}
private void updateAccessibilityServicesState(AccessibilityManager accessibilityManager) {
boolean[] feedbackEnabled = new boolean[1];
int a11yFlags = getA11yButtonState(feedbackEnabled);
boolean clickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_CLICKABLE) != 0;
boolean longClickable = (a11yFlags & SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE) != 0;
mNavigationBarView.setAccessibilityButtonState(clickable, longClickable);
updateSystemUiStateFlags(a11yFlags);
}
public void updateSystemUiStateFlags(int a11yFlags) {
if (a11yFlags < 0) {
a11yFlags = getA11yButtonState(null);
}
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())
.commitUpdate(mDisplayId);
registerAction(clickable, SystemActions.SYSTEM_ACTION_ID_ACCESSIBILITY_BUTTON);
registerAction(longClickable, SystemActions.SYSTEM_ACTION_ID_ACCESSIBILITY_BUTTON_CHOOSER);
}
private void registerAction(boolean register, int actionId) {
if (register) {
mSystemActions.register(actionId);
} else {
mSystemActions.unregister(actionId);
}
}
/**
* Returns the system UI flags corresponding the the current accessibility button state
* @param outFeedbackEnabled if non-null, sets it to true if accessibility feedback is enabled.
*/
public int getA11yButtonState(@Nullable boolean[] outFeedbackEnabled) {
boolean feedbackEnabled = false;
// AccessibilityManagerService resolves services for the current user since the local
// AccessibilityManager is created from a Context with the INTERACT_ACROSS_USERS permission
final List<AccessibilityServiceInfo> services =
mAccessibilityManager.getEnabledAccessibilityServiceList(
AccessibilityServiceInfo.FEEDBACK_ALL_MASK);
final List<String> a11yButtonTargets =
mAccessibilityManager.getAccessibilityShortcutTargets(
AccessibilityManager.ACCESSIBILITY_BUTTON);
final int requestingServices = a11yButtonTargets.size();
for (int i = services.size() - 1; i >= 0; --i) {
AccessibilityServiceInfo info = services.get(i);
if (info.feedbackType != 0 && info.feedbackType !=
AccessibilityServiceInfo.FEEDBACK_GENERIC) {
feedbackEnabled = true;
}
}
if (outFeedbackEnabled != null) {
outFeedbackEnabled[0] = feedbackEnabled;
}
return (requestingServices >= 1 ? SYSUI_STATE_A11Y_BUTTON_CLICKABLE : 0)
| (requestingServices >= 2 ? SYSUI_STATE_A11Y_BUTTON_LONG_CLICKABLE : 0);
}
private void sendAssistantAvailability(boolean available) {
if (mOverviewProxyService.getProxy() != null) {
try {
mOverviewProxyService.getProxy().onAssistantAvailable(available
&& QuickStepContract.isGesturalMode(mNavBarMode));
} catch (RemoteException e) {
Log.w(TAG, "Unable to send assistant availability data to launcher");
}
}
}
// ----- 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;
mLightBarController.setNavigationBar(mNavigationBarView.getLightTransitionsController());
}
/** Sets {@link AutoHideController} to the navigation bar. */
public void setAutoHideController(AutoHideController autoHideController) {
mAutoHideController = autoHideController;
if (mAutoHideController != null) {
mAutoHideController.setNavigationBar(mAutoHideUiElement);
}
}
private boolean isTransientShown() {
return mTransientShown;
}
private void checkBarModes() {
// We only have status bar on default display now.
if (mIsOnDefaultDisplay) {
mStatusBarLazy.get().checkBarModes();
} else {
checkNavBarModes();
}
}
public boolean isNavBarWindowVisible() {
return mNavigationBarWindowState == WINDOW_STATE_SHOWING;
}
/**
* Checks current navigation bar mode and make transitions.
*/
public void checkNavBarModes() {
final boolean anim = mStatusBarLazy.get().isDeviceInteractive()
&& mNavigationBarWindowState != WINDOW_STATE_HIDDEN;
mNavigationBarView.getBarTransitions().transitionTo(mNavigationBarMode, anim);
}
@Override
public void onNavigationModeChanged(int mode) {
mNavBarMode = mode;
updateScreenPinningGestures();
if (!canShowSecondaryHandle()) {
resetSecondaryHandle();
}
// Workaround for b/132825155, for secondary users, we currently don't receive configuration
// changes on overlay package change since SystemUI runs for the system user. In this case,
// trigger a new configuration change to ensure that the nav bar is updated in the same way.
int userId = ActivityManagerWrapper.getInstance().getCurrentUserId();
if (userId != UserHandle.USER_SYSTEM) {
mHandler.post(() -> {
FragmentHostManager fragmentHost = FragmentHostManager.get(mNavigationBarView);
fragmentHost.reloadFragments();
});
}
}
public void disableAnimationsDuringHide(long delay) {
mNavigationBarView.setLayoutTransitionsEnabled(false);
mNavigationBarView.postDelayed(() -> mNavigationBarView.setLayoutTransitionsEnabled(true),
delay + StackStateAnimator.ANIMATION_DURATION_GO_TO_FULL_SHADE);
}
@Nullable
public AssistHandleViewController getAssistHandlerViewController() {
return mAssistHandlerViewController;
}
/**
* 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 mNavigationBarView.getBarTransitions();
}
public void finishBarAnimations() {
mNavigationBarView.getBarTransitions().finishAnimations();
}
private final AccessibilityServicesStateChangeListener mAccessibilityListener =
this::updateAccessibilityServicesState;
@Override
public void onDisplayAdded(int displayId) {
}
@Override
public void onDisplayRemoved(int displayId) {
}
@Override
public void onDisplayChanged(int displayId) {
if (!canShowSecondaryHandle()) {
return;
}
int rotation = getContext().getResources().getConfiguration()
.windowConfiguration.getRotation();
if (rotation != mCurrentRotation) {
mCurrentRotation = rotation;
orientSecondaryHomeHandle();
}
}
private boolean canShowSecondaryHandle() {
return mFixedRotationEnabled && mNavBarMode == NAV_BAR_MODE_GESTURAL;
}
private final Consumer<Integer> mRotationWatcher = rotation -> {
if (mNavigationBarView != null
&& mNavigationBarView.needsReorient(rotation)) {
repositionNavigationBar();
}
};
private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (Intent.ACTION_SCREEN_OFF.equals(action)
|| Intent.ACTION_SCREEN_ON.equals(action)) {
notifyNavigationBarScreenOn();
mNavigationBarView.onScreenStateChanged(Intent.ACTION_SCREEN_ON.equals(action));
}
if (Intent.ACTION_USER_SWITCHED.equals(action)) {
// The accessibility settings may be different for the new user
updateAccessibilityServicesState(mAccessibilityManager);
}
}
};
public static View create(Context context, FragmentListener listener) {
WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT,
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.token = new Binder();
lp.setTitle("NavigationBar" + context.getDisplayId());
lp.accessibilityTitle = context.getString(R.string.nav_bar);
lp.windowAnimations = 0;
lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COLOR_SPACE_AGNOSTIC;
View navigationBarView = LayoutInflater.from(context).inflate(
R.layout.navigation_bar_window, null);
if (DEBUG) Log.v(TAG, "addNavigationBar: about to add " + navigationBarView);
if (navigationBarView == null) return null;
final NavigationBarFragment fragment = FragmentHostManager.get(navigationBarView)
.create(NavigationBarFragment.class);
navigationBarView.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
@Override
public void onViewAttachedToWindow(View v) {
final FragmentHostManager fragmentHost = FragmentHostManager.get(v);
fragmentHost.getFragmentManager().beginTransaction()
.replace(R.id.navigation_bar_frame, fragment, TAG)
.commit();
fragmentHost.addTagListener(TAG, listener);
}
@Override
public void onViewDetachedFromWindow(View v) {
FragmentHostManager.removeAndDestroy(v);
navigationBarView.removeOnAttachStateChangeListener(this);
}
});
context.getSystemService(WindowManager.class).addView(navigationBarView, lp);
return navigationBarView;
}
@VisibleForTesting
int getNavigationIconHints() {
return mNavigationIconHints;
}
}