| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.server.wm; |
| |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_DREAM; |
| import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN; |
| import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER; |
| import static android.view.Display.DEFAULT_DISPLAY; |
| import static android.view.WindowManager.TRANSIT_FLAG_KEYGUARD_GOING_AWAY_NO_ANIMATION; |
| import static android.view.WindowManager.TRANSIT_FLAG_KEYGUARD_GOING_AWAY_SUBTLE_ANIMATION; |
| import static android.view.WindowManager.TRANSIT_FLAG_KEYGUARD_GOING_AWAY_TO_SHADE; |
| import static android.view.WindowManager.TRANSIT_FLAG_KEYGUARD_GOING_AWAY_WITH_WALLPAPER; |
| import static android.view.WindowManager.TRANSIT_KEYGUARD_GOING_AWAY; |
| import static android.view.WindowManager.TRANSIT_KEYGUARD_OCCLUDE; |
| import static android.view.WindowManager.TRANSIT_KEYGUARD_UNOCCLUDE; |
| import static android.view.WindowManagerPolicyConstants.KEYGUARD_GOING_AWAY_FLAG_NO_WINDOW_ANIMATIONS; |
| import static android.view.WindowManagerPolicyConstants.KEYGUARD_GOING_AWAY_FLAG_SUBTLE_WINDOW_ANIMATIONS; |
| import static android.view.WindowManagerPolicyConstants.KEYGUARD_GOING_AWAY_FLAG_TO_SHADE; |
| import static android.view.WindowManagerPolicyConstants.KEYGUARD_GOING_AWAY_FLAG_WITH_WALLPAPER; |
| |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_ATM; |
| import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.wm.ActivityTaskSupervisor.PRESERVE_WINDOWS; |
| import static com.android.server.wm.KeyguardControllerProto.AOD_SHOWING; |
| import static com.android.server.wm.KeyguardControllerProto.KEYGUARD_OCCLUDED_STATES; |
| import static com.android.server.wm.KeyguardControllerProto.KEYGUARD_SHOWING; |
| import static com.android.server.wm.KeyguardOccludedProto.DISPLAY_ID; |
| import static com.android.server.wm.KeyguardOccludedProto.KEYGUARD_OCCLUDED; |
| |
| import android.annotation.Nullable; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.Trace; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.proto.ProtoOutputStream; |
| import android.view.Display; |
| |
| import com.android.internal.policy.IKeyguardDismissCallback; |
| import com.android.server.inputmethod.InputMethodManagerInternal; |
| import com.android.server.policy.WindowManagerPolicy; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * Controls Keyguard occluding, dismissing and transitions depending on what kind of activities are |
| * currently visible. |
| * <p> |
| * Note that everything in this class should only be accessed with the AM lock being held. |
| */ |
| class KeyguardController { |
| |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "KeyguardController" : TAG_ATM; |
| |
| static final String KEYGUARD_SLEEP_TOKEN_TAG = "keyguard"; |
| |
| private final ActivityTaskSupervisor mTaskSupervisor; |
| private WindowManagerService mWindowManager; |
| private boolean mKeyguardShowing; |
| private boolean mAodShowing; |
| private boolean mKeyguardGoingAway; |
| private boolean mDismissalRequested; |
| private final SparseArray<KeyguardDisplayState> mDisplayStates = new SparseArray<>(); |
| private final ActivityTaskManagerService mService; |
| private RootWindowContainer mRootWindowContainer; |
| private final ActivityTaskManagerInternal.SleepTokenAcquirer mSleepTokenAcquirer; |
| |
| |
| KeyguardController(ActivityTaskManagerService service, |
| ActivityTaskSupervisor taskSupervisor) { |
| mService = service; |
| mTaskSupervisor = taskSupervisor; |
| mSleepTokenAcquirer = mService.new SleepTokenAcquirerImpl(KEYGUARD_SLEEP_TOKEN_TAG); |
| } |
| |
| void setWindowManager(WindowManagerService windowManager) { |
| mWindowManager = windowManager; |
| mRootWindowContainer = mService.mRootWindowContainer; |
| } |
| |
| boolean isAodShowing() { |
| return mAodShowing; |
| } |
| |
| /** |
| * @return true if either Keyguard or AOD are showing, not going away, and not being occluded |
| * on the given display, false otherwise. |
| */ |
| boolean isKeyguardOrAodShowing(int displayId) { |
| return (mKeyguardShowing || mAodShowing) && !mKeyguardGoingAway |
| && !isDisplayOccluded(displayId); |
| } |
| |
| /** |
| * @return {@code true} for default display when AOD is showing. Otherwise, same as |
| * {@link #isKeyguardOrAodShowing(int)} |
| * TODO(b/125198167): Replace isKeyguardOrAodShowing() by this logic. |
| */ |
| boolean isKeyguardUnoccludedOrAodShowing(int displayId) { |
| if (displayId == DEFAULT_DISPLAY && mAodShowing) { |
| return true; |
| } |
| return isKeyguardOrAodShowing(displayId); |
| } |
| |
| /** |
| * @return true if Keyguard is showing, not going away, and not being occluded on the given |
| * display, false otherwise |
| */ |
| boolean isKeyguardShowing(int displayId) { |
| return mKeyguardShowing && !mKeyguardGoingAway && !isDisplayOccluded(displayId); |
| } |
| |
| /** |
| * @return true if Keyguard is either showing or occluded, but not going away |
| */ |
| boolean isKeyguardLocked() { |
| return mKeyguardShowing && !mKeyguardGoingAway; |
| } |
| |
| /** |
| * |
| * @return true if the activity is controlling keyguard state. |
| */ |
| boolean topActivityOccludesKeyguard(ActivityRecord r) { |
| return getDisplayState(r.getDisplayId()).mTopOccludesActivity == r; |
| } |
| |
| /** |
| * @return {@code true} if the keyguard is going away, {@code false} otherwise. |
| */ |
| boolean isKeyguardGoingAway() { |
| // Also check keyguard showing in case value is stale. |
| return mKeyguardGoingAway && mKeyguardShowing; |
| } |
| |
| /** |
| * Update the Keyguard showing state. |
| */ |
| void setKeyguardShown(boolean keyguardShowing, boolean aodShowing) { |
| final boolean aodChanged = aodShowing != mAodShowing; |
| // If keyguard is going away, but SystemUI aborted the transition, need to reset state. |
| // Do not reset keyguardChanged status if this is aodChanged. |
| final boolean keyguardChanged = (keyguardShowing != mKeyguardShowing) |
| || (mKeyguardGoingAway && keyguardShowing && !aodChanged); |
| if (!keyguardChanged && !aodChanged) { |
| return; |
| } |
| EventLogTags.writeWmSetKeyguardShown( |
| keyguardShowing ? 1 : 0, |
| aodShowing ? 1 : 0, |
| mKeyguardGoingAway ? 1 : 0, |
| "setKeyguardShown"); |
| |
| // Update the task snapshot if the screen will not be turned off. To make sure that the |
| // unlocking animation can animate consistent content. The conditions are: |
| // - Either AOD or keyguard changes to be showing. So if the states change individually, |
| // the later one can be skipped to avoid taking snapshot again. While it still accepts |
| // if both of them change to show at the same time. |
| // - Keyguard was not going away. Because if it was, the closing transition is able to |
| // handle the snapshot. |
| // - The display state is ON. Because if AOD is not on or pulsing, the display state will |
| // be OFF or DOZE (the path of screen off may have handled it). |
| if (((aodShowing ^ keyguardShowing) || (aodShowing && aodChanged && keyguardChanged)) |
| && !mKeyguardGoingAway && Display.isOnState( |
| mRootWindowContainer.getDefaultDisplay().getDisplayInfo().state)) { |
| mWindowManager.mTaskSnapshotController.snapshotForSleeping(DEFAULT_DISPLAY); |
| } |
| |
| mKeyguardShowing = keyguardShowing; |
| mAodShowing = aodShowing; |
| if (aodChanged) { |
| // Ensure the new state takes effect. |
| mWindowManager.mWindowPlacerLocked.performSurfacePlacement(); |
| } |
| |
| if (keyguardChanged) { |
| // Irrelevant to AOD. |
| dismissMultiWindowModeForTaskIfNeeded(null /* currentTaskControllsingOcclusion */, |
| false /* turningScreenOn */); |
| mKeyguardGoingAway = false; |
| if (keyguardShowing) { |
| mDismissalRequested = false; |
| } |
| } |
| |
| // Update the sleep token first such that ensureActivitiesVisible has correct sleep token |
| // state when evaluating visibilities. |
| updateKeyguardSleepToken(); |
| mRootWindowContainer.ensureActivitiesVisible(null, 0, !PRESERVE_WINDOWS); |
| InputMethodManagerInternal.get().updateImeWindowStatus(false /* disableImeIcon */); |
| } |
| |
| /** |
| * Called when Keyguard is going away. |
| * |
| * @param flags See {@link WindowManagerPolicy#KEYGUARD_GOING_AWAY_FLAG_TO_SHADE} |
| * etc. |
| */ |
| void keyguardGoingAway(int flags) { |
| if (!mKeyguardShowing) { |
| return; |
| } |
| Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, "keyguardGoingAway"); |
| mService.deferWindowLayout(); |
| mKeyguardGoingAway = true; |
| try { |
| EventLogTags.writeWmSetKeyguardShown( |
| 1 /* keyguardShowing */, |
| mAodShowing ? 1 : 0, |
| 1 /* keyguardGoingAway */, |
| "keyguardGoingAway"); |
| mRootWindowContainer.getDefaultDisplay().requestTransitionAndLegacyPrepare( |
| TRANSIT_KEYGUARD_GOING_AWAY, convertTransitFlags(flags)); |
| updateKeyguardSleepToken(); |
| |
| // Some stack visibility might change (e.g. docked stack) |
| mRootWindowContainer.resumeFocusedTasksTopActivities(); |
| mRootWindowContainer.ensureActivitiesVisible(null, 0, !PRESERVE_WINDOWS); |
| mRootWindowContainer.addStartingWindowsForVisibleActivities(); |
| mWindowManager.executeAppTransition(); |
| } finally { |
| mService.continueWindowLayout(); |
| Trace.traceEnd(TRACE_TAG_WINDOW_MANAGER); |
| } |
| } |
| |
| void dismissKeyguard(IBinder token, IKeyguardDismissCallback callback, CharSequence message) { |
| final ActivityRecord activityRecord = ActivityRecord.forTokenLocked(token); |
| if (activityRecord == null || !activityRecord.visibleIgnoringKeyguard) { |
| failCallback(callback); |
| return; |
| } |
| Slog.i(TAG, "Activity requesting to dismiss Keyguard: " + activityRecord); |
| |
| // If the client has requested to dismiss the keyguard and the Activity has the flag to |
| // turn the screen on, wakeup the screen if it's the top Activity. |
| if (activityRecord.getTurnScreenOnFlag() && activityRecord.isTopRunningActivity()) { |
| mTaskSupervisor.wakeUp("dismissKeyguard"); |
| } |
| |
| mWindowManager.dismissKeyguard(callback, message); |
| } |
| |
| private void failCallback(IKeyguardDismissCallback callback) { |
| try { |
| callback.onDismissError(); |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failed to call callback", e); |
| } |
| } |
| |
| private int convertTransitFlags(int keyguardGoingAwayFlags) { |
| int result = 0; |
| if ((keyguardGoingAwayFlags & KEYGUARD_GOING_AWAY_FLAG_TO_SHADE) != 0) { |
| result |= TRANSIT_FLAG_KEYGUARD_GOING_AWAY_TO_SHADE; |
| } |
| if ((keyguardGoingAwayFlags & KEYGUARD_GOING_AWAY_FLAG_NO_WINDOW_ANIMATIONS) != 0) { |
| result |= TRANSIT_FLAG_KEYGUARD_GOING_AWAY_NO_ANIMATION; |
| } |
| if ((keyguardGoingAwayFlags & KEYGUARD_GOING_AWAY_FLAG_WITH_WALLPAPER) != 0) { |
| result |= TRANSIT_FLAG_KEYGUARD_GOING_AWAY_WITH_WALLPAPER; |
| } |
| if ((keyguardGoingAwayFlags & KEYGUARD_GOING_AWAY_FLAG_SUBTLE_WINDOW_ANIMATIONS) != 0) { |
| result |= TRANSIT_FLAG_KEYGUARD_GOING_AWAY_SUBTLE_ANIMATION; |
| } |
| return result; |
| } |
| |
| /** |
| * @return True if we may show an activity while Keyguard is showing because we are in the |
| * process of dismissing it anyways, false otherwise. |
| */ |
| boolean canShowActivityWhileKeyguardShowing(ActivityRecord r) { |
| // Allow to show it when we are about to dismiss Keyguard. This isn't allowed if r is |
| // already the dismissing activity, in which case we don't allow it to repeatedly dismiss |
| // Keyguard. |
| return r.containsDismissKeyguardWindow() && canDismissKeyguard() && !mAodShowing |
| && (mDismissalRequested |
| || (r.canShowWhenLocked() |
| && getDisplayState(r.getDisplayId()).mDismissingKeyguardActivity != r)); |
| } |
| |
| /** |
| * @return True if we may show an activity while Keyguard is occluded, false otherwise. |
| */ |
| boolean canShowWhileOccluded(boolean dismissKeyguard, boolean showWhenLocked) { |
| return showWhenLocked || dismissKeyguard |
| && !mWindowManager.isKeyguardSecure(mService.getCurrentUserId()); |
| } |
| |
| /** |
| * Checks whether {@param r} should be visible depending on Keyguard state. |
| * |
| * @return true if {@param r} is visible taken Keyguard state into account, false otherwise |
| */ |
| boolean checkKeyguardVisibility(ActivityRecord r) { |
| if (r.mDisplayContent.canShowWithInsecureKeyguard() && canDismissKeyguard()) { |
| return true; |
| } |
| |
| if (isKeyguardOrAodShowing(r.mDisplayContent.getDisplayId())) { |
| // If keyguard is showing, nothing is visible, except if we are able to dismiss Keyguard |
| // right away and AOD isn't visible. |
| return canShowActivityWhileKeyguardShowing(r); |
| } else if (isKeyguardLocked()) { |
| return canShowWhileOccluded(r.containsDismissKeyguardWindow(), r.canShowWhenLocked()); |
| } else { |
| return true; |
| } |
| } |
| |
| /** |
| * Makes sure to update lockscreen occluded/dismiss/turnScreenOn state if needed before |
| * completing set all visibility |
| * ({@link ActivityTaskSupervisor#beginActivityVisibilityUpdate}). |
| */ |
| void updateVisibility() { |
| boolean requestDismissKeyguard = false; |
| for (int displayNdx = mRootWindowContainer.getChildCount() - 1; |
| displayNdx >= 0; displayNdx--) { |
| final DisplayContent display = mRootWindowContainer.getChildAt(displayNdx); |
| final KeyguardDisplayState state = getDisplayState(display.mDisplayId); |
| state.updateVisibility(this, display); |
| requestDismissKeyguard |= state.mRequestDismissKeyguard; |
| } |
| |
| // Dismissing Keyguard happens globally using the information from all displays. |
| if (requestDismissKeyguard) { |
| handleDismissKeyguard(); |
| } |
| } |
| |
| /** |
| * Called when occluded state changed. |
| * |
| * @param topActivity the activity that controls the state whether keyguard should |
| * be occluded. That is the activity to be shown on top of keyguard if it requests so. |
| */ |
| private void handleOccludedChanged(int displayId, @Nullable ActivityRecord topActivity) { |
| // TODO(b/113840485): Handle app transition for individual display, and apply occluded |
| // state change to secondary displays. |
| // For now, only default display fully supports occluded change. Other displays only |
| // updates keygaurd sleep token on that display. |
| if (displayId != DEFAULT_DISPLAY) { |
| updateKeyguardSleepToken(displayId); |
| return; |
| } |
| |
| mWindowManager.mPolicy.onKeyguardOccludedChangedLw(isDisplayOccluded(DEFAULT_DISPLAY)); |
| if (isKeyguardLocked()) { |
| mService.deferWindowLayout(); |
| try { |
| mRootWindowContainer.getDefaultDisplay() |
| .prepareAppTransition( |
| isDisplayOccluded(DEFAULT_DISPLAY) |
| ? TRANSIT_KEYGUARD_OCCLUDE |
| : TRANSIT_KEYGUARD_UNOCCLUDE); |
| // When the occluding activity also turns on the display, visibility of the activity |
| // can be committed before KEYGUARD_OCCLUDE transition is handled. |
| // Set mRequestForceTransition flag to make sure that the app transition animation |
| // is applied for such case. |
| // TODO(b/194243906): Fix this before enabling the remote keyguard animation. |
| if (WindowManagerService.sEnableRemoteKeyguardGoingAwayAnimation |
| && topActivity != null) { |
| topActivity.mRequestForceTransition = true; |
| } |
| updateKeyguardSleepToken(DEFAULT_DISPLAY); |
| mWindowManager.executeAppTransition(); |
| } finally { |
| mService.continueWindowLayout(); |
| } |
| } |
| } |
| |
| /** |
| * Called when somebody wants to dismiss the Keyguard via the flag. |
| */ |
| private void handleDismissKeyguard() { |
| // We only allow dismissing Keyguard via the flag when Keyguard is secure for legacy |
| // reasons, because that's how apps used to dismiss Keyguard in the secure case. In the |
| // insecure case, we actually show it on top of the lockscreen. See #canShowWhileOccluded. |
| if (!mWindowManager.isKeyguardSecure(mService.getCurrentUserId())) { |
| return; |
| } |
| |
| mWindowManager.dismissKeyguard(null /* callback */, null /* message */); |
| mDismissalRequested = true; |
| |
| // If we are about to unocclude the Keyguard, but we can dismiss it without security, |
| // we immediately dismiss the Keyguard so the activity gets shown without a flicker. |
| final DisplayContent dc = mRootWindowContainer.getDefaultDisplay(); |
| if (mKeyguardShowing && canDismissKeyguard() |
| && dc.mAppTransition.containsTransitRequest(TRANSIT_KEYGUARD_UNOCCLUDE)) { |
| mWindowManager.executeAppTransition(); |
| } |
| } |
| |
| /** |
| * Called when somebody wants to turn screen on. |
| */ |
| private void handleTurnScreenOn(int displayId) { |
| if (displayId != DEFAULT_DISPLAY) { |
| return; |
| } |
| |
| mTaskSupervisor.wakeUp("handleTurnScreenOn"); |
| if (mKeyguardShowing && canDismissKeyguard()) { |
| mWindowManager.dismissKeyguard(null /* callback */, null /* message */); |
| mDismissalRequested = true; |
| } |
| } |
| |
| boolean isDisplayOccluded(int displayId) { |
| return getDisplayState(displayId).mOccluded; |
| } |
| |
| /** |
| * @return true if Keyguard can be currently dismissed without entering credentials. |
| */ |
| boolean canDismissKeyguard() { |
| return mWindowManager.mPolicy.isKeyguardTrustedLw() |
| || !mWindowManager.isKeyguardSecure(mService.getCurrentUserId()); |
| } |
| |
| private void dismissMultiWindowModeForTaskIfNeeded( |
| @Nullable Task currentTaskControllingOcclusion, boolean turningScreenOn) { |
| // If turningScreenOn is true, it means that the visibility state has changed from |
| // currentTaskControllingOcclusion and we should update windowing mode. |
| // TODO(b/113840485): Handle docked stack for individual display. |
| if (!turningScreenOn && (!mKeyguardShowing || !isDisplayOccluded(DEFAULT_DISPLAY))) { |
| return; |
| } |
| |
| // Dismiss split screen |
| // The lock screen is currently showing, but is occluded by a window that can |
| // show on top of the lock screen. In this can we want to dismiss the docked |
| // stack since it will be complicated/risky to try to put the activity on top |
| // of the lock screen in the right fullscreen configuration. |
| final TaskDisplayArea taskDisplayArea = mRootWindowContainer.getDefaultTaskDisplayArea(); |
| if (taskDisplayArea.isSplitScreenModeActivated()) { |
| taskDisplayArea.onSplitScreenModeDismissed(); |
| } |
| |
| // Dismiss freeform windowing mode |
| if (currentTaskControllingOcclusion == null) { |
| return; |
| } |
| if (currentTaskControllingOcclusion.inFreeformWindowingMode()) { |
| currentTaskControllingOcclusion.setWindowingMode(WINDOWING_MODE_FULLSCREEN); |
| } |
| } |
| |
| private void updateKeyguardSleepToken() { |
| for (int displayNdx = mRootWindowContainer.getChildCount() - 1; |
| displayNdx >= 0; displayNdx--) { |
| final DisplayContent display = mRootWindowContainer.getChildAt(displayNdx); |
| updateKeyguardSleepToken(display.mDisplayId); |
| } |
| } |
| |
| private void updateKeyguardSleepToken(int displayId) { |
| final KeyguardDisplayState state = getDisplayState(displayId); |
| if (isKeyguardUnoccludedOrAodShowing(displayId)) { |
| state.mSleepTokenAcquirer.acquire(displayId); |
| } else if (!isKeyguardUnoccludedOrAodShowing(displayId)) { |
| state.mSleepTokenAcquirer.release(displayId); |
| } |
| } |
| |
| private KeyguardDisplayState getDisplayState(int displayId) { |
| KeyguardDisplayState state = mDisplayStates.get(displayId); |
| if (state == null) { |
| state = new KeyguardDisplayState(mService, displayId, mSleepTokenAcquirer); |
| mDisplayStates.append(displayId, state); |
| } |
| return state; |
| } |
| |
| void onDisplayRemoved(int displayId) { |
| final KeyguardDisplayState state = mDisplayStates.get(displayId); |
| if (state != null) { |
| state.onRemoved(); |
| mDisplayStates.remove(displayId); |
| } |
| } |
| |
| /** Represents Keyguard state per individual display. */ |
| private static class KeyguardDisplayState { |
| private final int mDisplayId; |
| private boolean mOccluded; |
| |
| private ActivityRecord mTopOccludesActivity; |
| private ActivityRecord mDismissingKeyguardActivity; |
| private ActivityRecord mTopTurnScreenOnActivity; |
| |
| private boolean mRequestDismissKeyguard; |
| private final ActivityTaskManagerService mService; |
| private final ActivityTaskManagerInternal.SleepTokenAcquirer mSleepTokenAcquirer; |
| |
| KeyguardDisplayState(ActivityTaskManagerService service, int displayId, |
| ActivityTaskManagerInternal.SleepTokenAcquirer acquirer) { |
| mService = service; |
| mDisplayId = displayId; |
| mSleepTokenAcquirer = acquirer; |
| } |
| |
| void onRemoved() { |
| mTopOccludesActivity = null; |
| mDismissingKeyguardActivity = null; |
| mTopTurnScreenOnActivity = null; |
| mSleepTokenAcquirer.release(mDisplayId); |
| } |
| |
| /** |
| * Updates {@link #mOccluded}, {@link #mTopTurnScreenOnActivity} and |
| * {@link #mDismissingKeyguardActivity} if the top task could be visible. |
| */ |
| void updateVisibility(KeyguardController controller, DisplayContent display) { |
| final boolean lastOccluded = mOccluded; |
| |
| final ActivityRecord lastDismissKeyguardActivity = mDismissingKeyguardActivity; |
| final ActivityRecord lastTurnScreenOnActivity = mTopTurnScreenOnActivity; |
| |
| mRequestDismissKeyguard = false; |
| mOccluded = false; |
| |
| mTopOccludesActivity = null; |
| mDismissingKeyguardActivity = null; |
| mTopTurnScreenOnActivity = null; |
| |
| boolean occludedByActivity = false; |
| final Task task = getRootTaskForControllingOccluding(display); |
| final ActivityRecord top = task != null ? task.getTopNonFinishingActivity() : null; |
| if (top != null) { |
| if (top.containsDismissKeyguardWindow()) { |
| mDismissingKeyguardActivity = top; |
| } |
| if (top.getTurnScreenOnFlag() && top.currentLaunchCanTurnScreenOn()) { |
| mTopTurnScreenOnActivity = top; |
| } |
| |
| final boolean showWhenLocked = top.canShowWhenLocked(); |
| if (showWhenLocked) { |
| mTopOccludesActivity = top; |
| } |
| |
| // Only the top activity may control occluded, as we can't occlude the Keyguard |
| // if the top app doesn't want to occlude it. |
| occludedByActivity = showWhenLocked || (mDismissingKeyguardActivity != null |
| && task.topRunningActivity() == mDismissingKeyguardActivity |
| && controller.canShowWhileOccluded( |
| true /* dismissKeyguard */, false /* showWhenLocked */)); |
| // FLAG_CAN_SHOW_WITH_INSECURE_KEYGUARD only apply for secondary display. |
| if (mDisplayId != DEFAULT_DISPLAY) { |
| occludedByActivity |= display.canShowWithInsecureKeyguard() |
| && controller.canDismissKeyguard(); |
| } |
| } |
| |
| final boolean dreaming = display.getDisplayPolicy().isShowingDreamLw() && (top != null |
| && top.getActivityType() == ACTIVITY_TYPE_DREAM); |
| mOccluded = dreaming || occludedByActivity; |
| mRequestDismissKeyguard = lastDismissKeyguardActivity != mDismissingKeyguardActivity |
| && !mOccluded |
| && mDismissingKeyguardActivity != null |
| && controller.mWindowManager.isKeyguardSecure( |
| controller.mService.getCurrentUserId()); |
| |
| boolean occludingChange = false; |
| boolean turningScreenOn = false; |
| if (mTopTurnScreenOnActivity != lastTurnScreenOnActivity |
| && mTopTurnScreenOnActivity != null |
| && !mService.mWindowManager.mPowerManager.isInteractive() |
| && (mRequestDismissKeyguard || occludedByActivity |
| || controller.canDismissKeyguard())) { |
| turningScreenOn = true; |
| controller.handleTurnScreenOn(mDisplayId); |
| mTopTurnScreenOnActivity.setCurrentLaunchCanTurnScreenOn(false); |
| } |
| |
| if (lastOccluded != mOccluded) { |
| occludingChange = true; |
| controller.handleOccludedChanged(mDisplayId, mTopOccludesActivity); |
| } |
| |
| if (occludingChange || turningScreenOn) { |
| controller.dismissMultiWindowModeForTaskIfNeeded(task, turningScreenOn); |
| } |
| } |
| |
| /** |
| * Gets the stack used to check the occluded state. |
| * <p> |
| * Only the top non-pinned activity of the focusable stack on each display can control its |
| * occlusion state. |
| */ |
| @Nullable |
| private Task getRootTaskForControllingOccluding(DisplayContent display) { |
| return display.getRootTask(task -> |
| task != null && task.isFocusableAndVisible() && !task.inPinnedWindowingMode()); |
| } |
| |
| void dumpStatus(PrintWriter pw, String prefix) { |
| final StringBuilder sb = new StringBuilder(); |
| sb.append(prefix); |
| sb.append(" Occluded=").append(mOccluded) |
| .append(" DismissingKeyguardActivity=") |
| .append(mDismissingKeyguardActivity) |
| .append(" TurnScreenOnActivity=") |
| .append(mTopTurnScreenOnActivity) |
| .append(" at display=") |
| .append(mDisplayId); |
| pw.println(sb.toString()); |
| } |
| |
| void dumpDebug(ProtoOutputStream proto, long fieldId) { |
| final long token = proto.start(fieldId); |
| proto.write(DISPLAY_ID, mDisplayId); |
| proto.write(KEYGUARD_OCCLUDED, mOccluded); |
| proto.end(token); |
| } |
| } |
| |
| void dump(PrintWriter pw, String prefix) { |
| pw.println(prefix + "KeyguardController:"); |
| pw.println(prefix + " mKeyguardShowing=" + mKeyguardShowing); |
| pw.println(prefix + " mAodShowing=" + mAodShowing); |
| pw.println(prefix + " mKeyguardGoingAway=" + mKeyguardGoingAway); |
| dumpDisplayStates(pw, prefix); |
| pw.println(prefix + " mDismissalRequested=" + mDismissalRequested); |
| pw.println(); |
| } |
| |
| void dumpDebug(ProtoOutputStream proto, long fieldId) { |
| final long token = proto.start(fieldId); |
| proto.write(AOD_SHOWING, mAodShowing); |
| proto.write(KEYGUARD_SHOWING, mKeyguardShowing); |
| writeDisplayStatesToProto(proto, KEYGUARD_OCCLUDED_STATES); |
| proto.end(token); |
| } |
| |
| private void dumpDisplayStates(PrintWriter pw, String prefix) { |
| for (int i = 0; i < mDisplayStates.size(); i++) { |
| mDisplayStates.valueAt(i).dumpStatus(pw, prefix); |
| } |
| } |
| |
| private void writeDisplayStatesToProto(ProtoOutputStream proto, long fieldId) { |
| for (int i = 0; i < mDisplayStates.size(); i++) { |
| mDisplayStates.valueAt(i).dumpDebug(proto, fieldId); |
| } |
| } |
| } |
