Merge "Only apply wallpaper anim if top most app is wallpaper target" into pi-dev (481397eb) · Commits · e / os / android_frameworks_base

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

+33 −1

Original line number	Diff line number	Diff line
		@@ -644,6 +644,11 @@ class WindowSurfacePlacer {
		? null : wallpaperTarget;
		final ArraySet<AppWindowToken> openingApps = mService.mOpeningApps;
		final ArraySet<AppWindowToken> closingApps = mService.mClosingApps;
		final AppWindowToken topOpeningApp = getTopApp(mService.mOpeningApps,
		false /* ignoreHidden */);
		final AppWindowToken topClosingApp = getTopApp(mService.mClosingApps,
		true /* ignoreHidden */);

		boolean openingCanBeWallpaperTarget = canBeWallpaperTarget(openingApps);
		if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
		"New wallpaper target=" + wallpaperTarget
		@@ -677,13 +682,15 @@ class WindowSurfacePlacer {
		"New transit: " + AppTransition.appTransitionToString(transit));
		} else if (oldWallpaper != null && !mService.mOpeningApps.isEmpty()
		&& !openingApps.contains(oldWallpaper.mAppToken)
		&& closingApps.contains(oldWallpaper.mAppToken)) {
		&& closingApps.contains(oldWallpaper.mAppToken)
		&& topClosingApp == oldWallpaper.mAppToken) {
		// We are transitioning from an activity with a wallpaper to one without.
		transit = TRANSIT_WALLPAPER_CLOSE;
		if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "New transit away from wallpaper: "
		+ AppTransition.appTransitionToString(transit));
		} else if (wallpaperTarget != null && wallpaperTarget.isVisibleLw()
		&& openingApps.contains(wallpaperTarget.mAppToken)
		&& topOpeningApp == wallpaperTarget.mAppToken
		&& transit != TRANSIT_TRANSLUCENT_ACTIVITY_CLOSE) {
		// We are transitioning from an activity without
		// a wallpaper to now showing the wallpaper
		@@ -748,6 +755,31 @@ class WindowSurfacePlacer {
		return false;
		}

		/**
		* Finds the top app in a list of apps, using its {@link AppWindowToken#getPrefixOrderIndex} to
		* compare z-order.
		*
		* @param apps The list of apps to search.
		* @param ignoreHidden If set to true, ignores apps that are {@link AppWindowToken#isHidden}.
		* @return The top {@link AppWindowToken}.
		*/
		private AppWindowToken getTopApp(ArraySet<AppWindowToken> apps, boolean ignoreHidden) {
		int topPrefixOrderIndex = Integer.MIN_VALUE;
		AppWindowToken topApp = null;
		for (int i = apps.size() - 1; i >= 0; i--) {
		final AppWindowToken app = apps.valueAt(i);
		if (ignoreHidden && app.isHidden()) {
		continue;
		}
		final int prefixOrderIndex = app.getPrefixOrderIndex();
		if (prefixOrderIndex > topPrefixOrderIndex) {
		topPrefixOrderIndex = prefixOrderIndex;
		topApp = app;
		}
		}
		return topApp;
		}

		private void processApplicationsAnimatingInPlace(int transit) {
		if (transit == TRANSIT_TASK_IN_PLACE) {
		// Find the focused window