Adapt the boot logic for lockscreen live wallpapers (46c361b2) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/wallpaper/WallpaperManagerService.java

+90 −3

Original line number	Diff line number	Diff line
		@@ -803,6 +803,20 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		protected WallpaperData mLastLockWallpaper;
		private IWallpaperManagerCallback mKeyguardListener;
		private boolean mWaitingForUnlock;

		/**
		* Flag set to true after reboot if the home wallpaper is waiting for the device to be unlocked.
		* This happens for wallpapers that are not direct-boot aware; they can only be rendered after
		* the user unlocks the device for the first time after a reboot. In the meantime, the default
		* wallpaper is shown instead.
		*/
		private boolean mHomeWallpaperWaitingForUnlock;

		/**
		* Flag set to true after reboot if the lock wallpaper is waiting for the device to be unlocked.
		*/
		private boolean mLockWallpaperWaitingForUnlock;

		private boolean mShuttingDown;

		/**
		@@ -1790,7 +1804,23 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		public void onUnlockUser(final int userId) {
		synchronized (mLock) {
		if (mCurrentUserId == userId) {
		if (mWaitingForUnlock) {
		if (mIsLockscreenLiveWallpaperEnabled) {
		if (mHomeWallpaperWaitingForUnlock) {
		final WallpaperData systemWallpaper =
		getWallpaperSafeLocked(userId, FLAG_SYSTEM);
		switchWallpaper(systemWallpaper, null);
		// TODO(b/278261563): call notifyCallbacksLocked inside switchWallpaper
		notifyCallbacksLocked(systemWallpaper);
		}
		if (mLockWallpaperWaitingForUnlock) {
		final WallpaperData lockWallpaper =
		getWallpaperSafeLocked(userId, FLAG_LOCK);
		switchWallpaper(lockWallpaper, null);
		notifyCallbacksLocked(lockWallpaper);
		}
		}

		if (mWaitingForUnlock && !mIsLockscreenLiveWallpaperEnabled) {
		// the desired wallpaper is not direct-boot aware, load it now
		final WallpaperData systemWallpaper =
		getWallpaperSafeLocked(userId, FLAG_SYSTEM);
		@@ -1845,13 +1875,23 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		}
		mCurrentUserId = userId;
		systemWallpaper = getWallpaperSafeLocked(userId, FLAG_SYSTEM);

		if (mIsLockscreenLiveWallpaperEnabled) {
		lockWallpaper = systemWallpaper.mWhich == (FLAG_LOCK \| FLAG_SYSTEM)
		? systemWallpaper : getWallpaperSafeLocked(userId, FLAG_LOCK);
		} else {
		final WallpaperData tmpLockWallpaper = mLockWallpaperMap.get(userId);
		lockWallpaper = tmpLockWallpaper == null ? systemWallpaper : tmpLockWallpaper;
		}

		// Not started watching yet, in case wallpaper data was loaded for other reasons.
		if (systemWallpaper.wallpaperObserver == null) {
		systemWallpaper.wallpaperObserver = new WallpaperObserver(systemWallpaper);
		systemWallpaper.wallpaperObserver.startWatching();
		}
		if (mIsLockscreenLiveWallpaperEnabled && lockWallpaper != systemWallpaper) {
		switchWallpaper(lockWallpaper, null);
		}
		switchWallpaper(systemWallpaper, reply);
		}

		@@ -1870,6 +1910,11 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		void switchWallpaper(WallpaperData wallpaper, IRemoteCallback reply) {
		synchronized (mLock) {
		mWaitingForUnlock = false;
		if (mIsLockscreenLiveWallpaperEnabled) {
		if ((wallpaper.mWhich & FLAG_SYSTEM) != 0) mHomeWallpaperWaitingForUnlock = false;
		if ((wallpaper.mWhich & FLAG_LOCK) != 0) mLockWallpaperWaitingForUnlock = false;
		}

		final ComponentName cname = wallpaper.wallpaperComponent != null ?
		wallpaper.wallpaperComponent : wallpaper.nextWallpaperComponent;
		if (!bindWallpaperComponentLocked(cname, true, false, wallpaper, reply)) {
		@@ -1882,6 +1927,11 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		} catch (RemoteException ignored) {
		}

		if (mIsLockscreenLiveWallpaperEnabled) {
		onSwitchWallpaperFailLocked(wallpaper, reply, si);
		return;
		}

		if (si == null) {
		Slog.w(TAG, "Failure starting previous wallpaper; clearing");
		clearWallpaperLocked(false, FLAG_SYSTEM, wallpaper.userId, reply);
		@@ -1899,6 +1949,43 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		}
		}

		/**
		* Fallback method if a wallpaper fails to load on boot or after a user switch.
		* Only called if mIsLockscreenLiveWallpaperEnabled is true.
		*/
		private void onSwitchWallpaperFailLocked(
		WallpaperData wallpaper, IRemoteCallback reply, ServiceInfo serviceInfo) {

		if (serviceInfo == null) {
		Slog.w(TAG, "Failure starting previous wallpaper; clearing");

		if (wallpaper.mWhich == (FLAG_LOCK \| FLAG_SYSTEM)) {
		clearWallpaperLocked(false, FLAG_SYSTEM, wallpaper.userId, null);
		clearWallpaperLocked(false, FLAG_LOCK, wallpaper.userId, reply);
		} else {
		clearWallpaperLocked(false, wallpaper.mWhich, wallpaper.userId, reply);
		}
		return;
		}
		Slog.w(TAG, "Wallpaper isn't direct boot aware; using fallback until unlocked");
		// We might end up persisting the current wallpaper data
		// while locked, so pretend like the component was actually
		// bound into place
		wallpaper.wallpaperComponent = wallpaper.nextWallpaperComponent;
		final WallpaperData fallback = new WallpaperData(wallpaper.userId, wallpaper.mWhich);

		// files from the previous static wallpaper may still be stored in memory.
		// delete them in order to show the default wallpaper.
		if (wallpaper.wallpaperFile.exists()) {
		wallpaper.wallpaperFile.delete();
		wallpaper.cropFile.delete();
		}

		bindWallpaperComponentLocked(mImageWallpaper, true, false, fallback, reply);
		if ((wallpaper.mWhich & FLAG_SYSTEM) != 0) mHomeWallpaperWaitingForUnlock = true;
		if ((wallpaper.mWhich & FLAG_LOCK) != 0) mLockWallpaperWaitingForUnlock = true;
		}

		@Override
		public void clearWallpaper(String callingPackage, int which, int userId) {
		if (DEBUG) Slog.v(TAG, "clearWallpaper");