Merge "Replace BitmapRegionDecoder with ImageDecoder" into sc-dev (7aba92e5) · Commits · e / os / android_frameworks_base

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

+63 −8

Original line number	Diff line number	Diff line
		@@ -58,8 +58,8 @@ import android.content.pm.UserInfo;
		import android.content.res.Resources;
		import android.graphics.Bitmap;
		import android.graphics.BitmapFactory;
		import android.graphics.BitmapRegionDecoder;
		import android.graphics.Color;
		import android.graphics.ImageDecoder;
		import android.graphics.Rect;
		import android.graphics.RectF;
		import android.hardware.display.DisplayManager;
		@@ -194,6 +194,8 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		static final String WALLPAPER_LOCK_ORIG = "wallpaper_lock_orig";
		static final String WALLPAPER_LOCK_CROP = "wallpaper_lock";
		static final String WALLPAPER_INFO = "wallpaper_info.xml";
		private static final String RECORD_FILE = "decode_record";
		private static final String RECORD_LOCK_FILE = "decode_lock_record";

		// All the various per-user state files we need to be aware of
		private static final String[] sPerUserFiles = new String[] {
		@@ -660,8 +662,7 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		}

		if (DEBUG) {
		// This is just a quick estimation, may be smaller than it is.
		long estimateSize = options.outWidth * options.outHeight * 4;
		long estimateSize = (long) options.outWidth * options.outHeight * 4;
		Slog.v(TAG, "Null crop of new wallpaper, estimate size="
		+ estimateSize + ", success=" + success);
		}
		@@ -670,9 +671,6 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		FileOutputStream f = null;
		BufferedOutputStream bos = null;
		try {
		BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(
		wallpaper.wallpaperFile.getAbsolutePath(), false);

		// This actually downsamples only by powers of two, but that's okay; we do
		// a proper scaling blit later. This is to minimize transient RAM use.
		// We calculate the largest power-of-two under the actual ratio rather than
		@@ -726,8 +724,24 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		Slog.v(TAG, " maxTextureSize=" + GLHelper.getMaxTextureSize());
		}

		Bitmap cropped = decoder.decodeRegion(cropHint, options);
		decoder.recycle();
		//Create a record file and will delete if ImageDecoder work well.
		final String recordName =
		(wallpaper.wallpaperFile.getName().equals(WALLPAPER)
		? RECORD_FILE : RECORD_LOCK_FILE);
		final File record = new File(getWallpaperDir(wallpaper.userId), recordName);
		record.createNewFile();
		Slog.v(TAG, "record path =" + record.getPath()
		+ ", record name =" + record.getName());

		final ImageDecoder.Source srcData =
		ImageDecoder.createSource(wallpaper.wallpaperFile);
		final int sampleSize = scale;
		Bitmap cropped = ImageDecoder.decodeBitmap(srcData, (decoder, info, src) -> {
		decoder.setTargetSampleSize(sampleSize);
		decoder.setCrop(estimateCrop);
		});

		record.delete();

		if (cropped == null) {
		Slog.e(TAG, "Could not decode new wallpaper");
		@@ -1778,6 +1792,7 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		new UserSwitchObserver() {
		@Override
		public void onUserSwitching(int newUserId, IRemoteCallback reply) {
		errorCheck(newUserId);
		switchUser(newUserId, reply);
		}
		}, TAG);
		@@ -1815,6 +1830,14 @@ public class WallpaperManagerService extends IWallpaperManager.Stub

		@Override
		public void onBootPhase(int phase) {
		// If someone set too large jpg file as wallpaper, system_server may be killed by lmk in
		// generateCrop(), so we create a file in generateCrop() before ImageDecoder starts working
		// and delete this file after ImageDecoder finishing. If the specific file exists, that
		// means ImageDecoder can't handle the original wallpaper file, in order to avoid
		// system_server restart again and again and rescue party will trigger factory reset,
		// so we reset default wallpaper in case system_server is trapped into a restart loop.
		errorCheck(UserHandle.USER_SYSTEM);

		if (phase == SystemService.PHASE_ACTIVITY_MANAGER_READY) {
		systemReady();
		} else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) {
		@@ -1822,6 +1845,38 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
		}
		}

		private static final HashMap<Integer, String> sWallpaperType = new HashMap<Integer, String>() {
		{
		put(FLAG_SYSTEM, RECORD_FILE);
		put(FLAG_LOCK, RECORD_LOCK_FILE);
		}
		};

		private void errorCheck(int userID) {
		sWallpaperType.forEach((type, filename) -> {
		final File record = new File(getWallpaperDir(userID), filename);
		if (record.exists()) {
		Slog.w(TAG, "User:" + userID + ", wallpaper tyep = " + type
		+ ", wallpaper fail detect!! reset to default wallpaper");
		clearWallpaperData(userID, type);
		record.delete();
		}
		});
		}

		private void clearWallpaperData(int userID, int wallpaperType) {
		final WallpaperData wallpaper = new WallpaperData(userID, getWallpaperDir(userID),
		(wallpaperType == FLAG_LOCK) ? WALLPAPER_LOCK_ORIG : WALLPAPER,
		(wallpaperType == FLAG_LOCK) ? WALLPAPER_LOCK_CROP : WALLPAPER_CROP);
		if (wallpaper.sourceExists()) {
		wallpaper.wallpaperFile.delete();
		}
		if (wallpaper.cropExists()) {
		wallpaper.cropFile.delete();
		}

		}

		@Override
		public void onUnlockUser(final int userId) {
		TimingsTraceAndSlog t = new TimingsTraceAndSlog(TAG);