Merge "Only allow one turnScreenOn per app resume." into oc-dr1-dev (3477c314) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wm/AppWindowToken.java

+25 −0

Original line number	Diff line number	Diff line
		@@ -193,6 +193,11 @@ class AppWindowToken extends WindowToken implements WindowManagerService.AppFree

		Task mLastParent;

		/**
		* See {@link #canTurnScreenOn()}
		*/
		private boolean mCanTurnScreenOn = true;

		AppWindowToken(WindowManagerService service, IApplicationToken token, boolean voiceInteraction,
		DisplayContent dc, long inputDispatchingTimeoutNanos, boolean fullscreen,
		boolean showForAllUsers, int targetSdk, int orientation, int rotationAnimationHint,
		@@ -644,6 +649,8 @@ class AppWindowToken extends WindowToken implements WindowManagerService.AppFree
		if (DEBUG_ADD_REMOVE) Slog.v(TAG, "notifyAppResumed: wasStopped=" + wasStopped
		+ " " + this);
		mAppStopped = false;
		// Allow the window to turn the screen on once the app is resumed again.
		setCanTurnScreenOn(true);
		if (!wasStopped) {
		destroySurfaces(true /cleanupOnResume/);
		}
		@@ -1640,6 +1647,24 @@ class AppWindowToken extends WindowToken implements WindowManagerService.AppFree
		mDisablePreviewScreenshots = disable;
		}

		/**
		* Sets whether the current launch can turn the screen on. See {@link #canTurnScreenOn()}
		*/
		void setCanTurnScreenOn(boolean canTurnScreenOn) {
		mCanTurnScreenOn = canTurnScreenOn;
		}

		/**
		* Indicates whether the current launch can turn the screen on. This is to prevent multiple
		* relayouts from turning the screen back on. The screen should only turn on at most
		* once per activity resume.
		*
		* @return true if the screen can be turned on.
		*/
		boolean canTurnScreenOn() {
		return mCanTurnScreenOn;
		}

		/**
		* Retrieves whether we'd like to generate a snapshot that's based solely on the theme. This is
		* the case when preview screenshots are disabled {@link #setDisablePreviewScreenshots} or when

services/core/java/com/android/server/wm/WindowStateAnimator.java

+6 −1

Original line number	Diff line number	Diff line
		@@ -1632,9 +1632,14 @@ class WindowStateAnimator {
		// hidden while the screen is turning off.
		// TODO(b/63773439): These cases should be eliminated, though we probably still
		// want to process mTurnOnScreen in this way for clarity.
		if (mWin.mTurnOnScreen) {
		if (mWin.mTurnOnScreen && mWin.mAppToken.canTurnScreenOn()) {
		if (DEBUG_VISIBILITY) Slog.v(TAG, "Show surface turning screen on: " + mWin);
		mWin.mTurnOnScreen = false;

		// The window should only turn the screen on once per resume, but
		// prepareSurfaceLocked can be called multiple times. Set canTurnScreenOn to
		// false so the window doesn't turn the screen on again during this resume.
		mWin.mAppToken.setCanTurnScreenOn(false);
		mAnimator.mBulkUpdateParams \|= SET_TURN_ON_SCREEN;
		}
		}