Keep track of two top wallpapers to improve the control over each. (8d5384a5) · Commits · e / os / android_frameworks_base

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

+4 −3

Original line number	Diff line number	Diff line
		@@ -579,9 +579,10 @@ class Transition implements BLASTSyncEngine.TransactionReadyListener {
		recordDisplay(wc.getDisplayContent());
		if (info.mShowWallpaper) {
		// Collect the wallpaper token (for isWallpaper(wc)) so it is part of the sync set.
		final WindowState wallpaper =
		wc.getDisplayContent().mWallpaperController.getTopVisibleWallpaper();
		if (wallpaper != null) {
		final List<WindowState> wallpapers =
		wc.getDisplayContent().mWallpaperController.getAllTopWallpapers();
		for (int i = wallpapers.size() - 1; i >= 0; i--) {
		WindowState wallpaper = wallpapers.get(i);
		collect(wallpaper.mToken);
		}
		}

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

+78 −24

Original line number	Diff line number	Diff line
		@@ -124,24 +124,19 @@ class WallpaperController {

		final boolean mIsLockscreenLiveWallpaperEnabled;

		private final ToBooleanFunction<WindowState> mFindWallpaperTargetFunction = w -> {
		if ((w.mAttrs.type == TYPE_WALLPAPER)) {
		if (mFindResults.topWallpaper == null \|\| mFindResults.resetTopWallpaper) {
		private final Consumer<WindowState> mFindWallpapers = w -> {
		if (w.mAttrs.type == TYPE_WALLPAPER) {
		WallpaperWindowToken token = w.mToken.asWallpaperToken();
		if (token == null) {
		Slog.w(TAG, "Window " + w + " has wallpaper type but not wallpaper token");
		return false;
		if (token.canShowWhenLocked() && !mFindResults.hasTopShowWhenLockedWallpaper()) {
		mFindResults.setTopShowWhenLockedWallpaper(w);
		} else if (!token.canShowWhenLocked()
		&& !mFindResults.hasTopHideWhenLockedWallpaper()) {
		mFindResults.setTopHideWhenLockedWallpaper(w);
		}
		if (!token.canShowWhenLocked() && mDisplayContent.isKeyguardLocked()) {
		return false;
		}
		mFindResults.setTopWallpaper(w);
		mFindResults.resetTopWallpaper = false;
		}
		return false;
		}
		};

		mFindResults.resetTopWallpaper = true;
		private final ToBooleanFunction<WindowState> mFindWallpaperTargetFunction = w -> {
		if (!w.mTransitionController.isShellTransitionsEnabled()) {
		if (w.mActivityRecord != null && !w.mActivityRecord.isVisible()
		&& !w.mActivityRecord.isAnimating(TRANSITION \| PARENTS)) {
		@@ -668,11 +663,24 @@ class WallpaperController {
		mFindResults.setUseTopWallpaperAsTarget(true);
		}

		mDisplayContent.forAllWindows(mFindWallpapers, true /* traverseTopToBottom */);
		mDisplayContent.forAllWindows(mFindWallpaperTargetFunction, true /* traverseTopToBottom */);

		if (mFindResults.wallpaperTarget == null && mFindResults.useTopWallpaperAsTarget) {
		mFindResults.setWallpaperTarget(mFindResults.topWallpaper);
		mFindResults.setWallpaperTarget(
		mFindResults.getTopWallpaper(mDisplayContent.isKeyguardLocked()));
		}
		}

		List<WindowState> getAllTopWallpapers() {
		ArrayList<WindowState> wallpapers = new ArrayList<>(2);
		if (mFindResults.hasTopShowWhenLockedWallpaper()) {
		wallpapers.add(mFindResults.mTopWallpaper.mTopShowWhenLockedWallpaper);
		}
		if (mFindResults.hasTopHideWhenLockedWallpaper()) {
		wallpapers.add(mFindResults.mTopWallpaper.mTopHideWhenLockedWallpaper);
		}
		return wallpapers;
		}

		private boolean isFullscreen(WindowManager.LayoutParams attrs) {
		@@ -760,10 +768,16 @@ class WallpaperController {
		result.setWallpaperTarget(wallpaperTarget);
		}

		/**
		* Change the visibility of the top wallpaper to {@param visibility} and hide all the others.
		*/
		private void updateWallpaperTokens(boolean visibility, boolean locked) {
		WindowState topWallpaper = mFindResults.getTopWallpaper(locked);
		WallpaperWindowToken topWallpaperToken =
		topWallpaper == null ? null : topWallpaper.mToken.asWallpaperToken();
		for (int curTokenNdx = mWallpaperTokens.size() - 1; curTokenNdx >= 0; curTokenNdx--) {
		final WallpaperWindowToken token = mWallpaperTokens.get(curTokenNdx);
		token.updateWallpaperWindows(visibility && (!locked \|\| token.canShowWhenLocked()));
		token.updateWallpaperWindows(visibility && (token == topWallpaperToken));
		}
		}

		@@ -802,7 +816,10 @@ class WallpaperController {
		}

		// Keep both wallpapers visible unless the keyguard is locked (then hide private wp)
		if (!mDisplayContent.isKeyguardGoingAway() \|\| !mIsLockscreenLiveWallpaperEnabled) {
		// When keyguard goes away, KeyguardController handles the visibility
		updateWallpaperTokens(visible, mDisplayContent.isKeyguardLocked());
		}

		if (DEBUG_WALLPAPER) {
		Slog.v(TAG, "adjustWallpaperWindows: wallpaper visibility " + visible
		@@ -1019,14 +1036,52 @@ class WallpaperController {

		/** Helper class for storing the results of a wallpaper target find operation. */
		final private static class FindWallpaperTargetResult {
		WindowState topWallpaper = null;

		static final class TopWallpaper {
		// A wp that can be visible on home screen only
		WindowState mTopHideWhenLockedWallpaper = null;
		// A wallpaper that has permission to be visible on lock screen (lock or shared wp)
		WindowState mTopShowWhenLockedWallpaper = null;

		void reset() {
		mTopHideWhenLockedWallpaper = null;
		mTopShowWhenLockedWallpaper = null;
		}
		}

		TopWallpaper mTopWallpaper = new TopWallpaper();
		boolean useTopWallpaperAsTarget = false;
		WindowState wallpaperTarget = null;
		boolean resetTopWallpaper = false;
		boolean isWallpaperTargetForLetterbox = false;

		void setTopWallpaper(WindowState win) {
		topWallpaper = win;
		void setTopHideWhenLockedWallpaper(WindowState win) {
		if (DEBUG_WALLPAPER) {
		Slog.v(TAG, "setTopHideWhenLockedWallpaper " + win);
		}
		mTopWallpaper.mTopHideWhenLockedWallpaper = win;
		}

		void setTopShowWhenLockedWallpaper(WindowState win) {
		if (DEBUG_WALLPAPER) {
		Slog.v(TAG, "setTopShowWhenLockedWallpaper " + win);
		}
		mTopWallpaper.mTopShowWhenLockedWallpaper = win;
		}

		boolean hasTopHideWhenLockedWallpaper() {
		return mTopWallpaper.mTopHideWhenLockedWallpaper != null;
		}

		boolean hasTopShowWhenLockedWallpaper() {
		return mTopWallpaper.mTopShowWhenLockedWallpaper != null;
		}

		WindowState getTopWallpaper(boolean isKeyguardLocked) {
		if (!isKeyguardLocked && hasTopHideWhenLockedWallpaper()) {
		return mTopWallpaper.mTopHideWhenLockedWallpaper;
		} else {
		return mTopWallpaper.mTopShowWhenLockedWallpaper;
		}
		}

		void setWallpaperTarget(WindowState win) {
		@@ -1042,10 +1097,9 @@ class WallpaperController {
		}

		void reset() {
		topWallpaper = null;
		mTopWallpaper.reset();
		wallpaperTarget = null;
		useTopWallpaperAsTarget = false;
		resetTopWallpaper = false;
		isWallpaperTargetForLetterbox = false;
		}
		}