WidgetPreviewLoader.java revision 5b0e669169ea2c951bf2f6f71faf793b24db3c23
1325dc23624160689e59fbac708cf6f222b20d025Daniel Sandlerpackage com.android.launcher3; 205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.content.ComponentName; 405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.content.ContentValues; 505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.content.Context; 65b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport android.content.pm.PackageInfo; 75b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport android.content.pm.PackageManager.NameNotFoundException; 805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.content.pm.ResolveInfo; 905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.content.res.Resources; 1005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.database.Cursor; 115b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport android.database.SQLException; 1205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.database.sqlite.SQLiteDatabase; 1305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.database.sqlite.SQLiteOpenHelper; 1405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.Bitmap; 1505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.Bitmap.Config; 1605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.BitmapFactory; 1705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.Canvas; 1805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.ColorMatrix; 1905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.ColorMatrixColorFilter; 2005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.Paint; 2105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.PorterDuff; 2205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.Rect; 234cad7538c9615303d291f5b52e960aaf0985828fSunny Goyalimport android.graphics.RectF; 2405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.drawable.BitmapDrawable; 2505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.graphics.drawable.Drawable; 2605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.os.AsyncTask; 2705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport android.util.Log; 285b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport android.util.LongSparseArray; 294cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 30ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyalimport com.android.launcher3.compat.AppWidgetManagerCompat; 315b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport com.android.launcher3.compat.UserHandleCompat; 325b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport com.android.launcher3.compat.UserManagerCompat; 335b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport com.android.launcher3.util.ComponentKey; 34091440a9cb9d4f42406631004aa484cbb79214caAdam Cohenimport com.android.launcher3.util.Thunk; 35ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal 3605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport java.lang.ref.WeakReference; 375b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport java.util.Collections; 3805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport java.util.HashMap; 3905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurkaimport java.util.HashSet; 405b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport java.util.Set; 415b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyalimport java.util.WeakHashMap; 4265d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roosimport java.util.concurrent.Callable; 4365d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roosimport java.util.concurrent.ExecutionException; 4405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 45ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyalpublic class WidgetPreviewLoader { 4605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 47ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal private static final String TAG = "WidgetPreviewLoader"; 48ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal 49ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal private static final float WIDGET_PREVIEW_ICON_PADDING_PERCENTAGE = 0.25f; 50ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal 515b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final HashMap<String, long[]> mPackageVersions = new HashMap<>(); 525b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final HashMap<WidgetCacheKey, WeakReference<Bitmap>> mLoadedPreviews = new HashMap<>(); 535b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private Set<Bitmap> mUnusedBitmaps = Collections.newSetFromMap(new WeakHashMap<Bitmap, Boolean>()); 544cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 554cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal private final Context mContext; 56ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal private final IconCache mIconCache; 575b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final UserManagerCompat mUserManager; 58ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal private final AppWidgetManagerCompat mManager; 595b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final CacheDb mDb; 6005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 6165d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos private final MainThreadExecutor mMainThreadExecutor = new MainThreadExecutor(); 6265d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos 635b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public WidgetPreviewLoader(Context context, IconCache iconCache) { 64fd13c714f412dfa8130fa7a664cb1692a565c539Chris Wren mContext = context; 655b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mIconCache = iconCache; 66ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal mManager = AppWidgetManagerCompat.getInstance(context); 675b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mUserManager = UserManagerCompat.getInstance(context); 685b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mDb = new CacheDb(context); 693f4e070aa58d51dd136885b4d3e2e6c5d9f93ea0Michael Jurka } 70ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal 715b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal /** 725b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * Generates the widget preview on {@link AsyncTask#THREAD_POOL_EXECUTOR}. Must be 735b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * called on UI thread 745b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * 755b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * @param o either {@link LauncherAppWidgetProviderInfo} or {@link ResolveInfo} 765b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * @param immediateResult A bitmap array of size 1. If the result is already cached, it is 775b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * set to the final result. 785b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * @return a request id which can be used to cancel the request. 795b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal */ 805b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public PreviewLoadRequest getPreview(final Object o, int previewWidth, int previewHeight, 815b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal PagedViewWidget caller, Bitmap[] immediateResult) { 825b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal String size = previewWidth + "x" + previewHeight; 835b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal WidgetCacheKey key = getObjectKey(o, size); 8405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 855b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // Check if we have the preview loaded or not. 865140cfaf471ed21c1cdcf0edcb53ae89b87c6848Michael Jurka synchronized (mLoadedPreviews) { 875b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal WeakReference<Bitmap> ref = mLoadedPreviews.get(key); 885b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (ref != null && ref.get() != null) { 895b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal immediateResult[0] = ref.get(); 905b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return new PreviewLoadRequest(null, key); 9105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 9205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 935b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 945b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal PreviewLoadTask task = new PreviewLoadTask(key, o, previewWidth, previewHeight, caller); 955b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR); 965b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return new PreviewLoadRequest(task, key); 9705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 9805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 995b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal /** 1005b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * The DB holds the generated previews for various components. Previews can also have different 1015b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * sizes (landscape vs portrait). 1025b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal */ 1035b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static class CacheDb extends SQLiteOpenHelper { 1045b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final int DB_VERSION = 3; 1055b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 1065b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final String TABLE_NAME = "shortcut_and_widget_previews"; 1075b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final String COLUMN_COMPONENT = "componentName"; 1085b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final String COLUMN_USER = "profileId"; 1095b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final String COLUMN_SIZE = "size"; 1105b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final String COLUMN_PACKAGE = "packageName"; 1115b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final String COLUMN_LAST_UPDATED = "lastUpdated"; 1125b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final String COLUMN_VERSION = "version"; 1135b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final String COLUMN_PREVIEW_BITMAP = "preview_bitmap"; 11405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 115d9cb4a124ac5c83080ace5ac92980df9c6f49e8eMichael Jurka public CacheDb(Context context) { 1165b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal super(context, LauncherFiles.WIDGET_PREVIEWS_DB, null, DB_VERSION); 11705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 11805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 11905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka @Override 12005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka public void onCreate(SQLiteDatabase database) { 12132b7a097338b77d8999c706c42f19e8ba060ba62Michael Jurka database.execSQL("CREATE TABLE IF NOT EXISTS " + TABLE_NAME + " (" + 1225b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal COLUMN_COMPONENT + " TEXT NOT NULL, " + 1235b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal COLUMN_USER + " INTEGER NOT NULL, " + 12405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka COLUMN_SIZE + " TEXT NOT NULL, " + 1255b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal COLUMN_PACKAGE + " TEXT NOT NULL, " + 1265b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal COLUMN_LAST_UPDATED + " INTEGER NOT NULL DEFAULT 0, " + 1275b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal COLUMN_VERSION + " INTEGER NOT NULL DEFAULT 0, " + 1285b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal COLUMN_PREVIEW_BITMAP + " BLOB, " + 1295b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal "PRIMARY KEY (" + COLUMN_COMPONENT + ", " + COLUMN_USER + ", " + COLUMN_SIZE + ") " + 13032b7a097338b77d8999c706c42f19e8ba060ba62Michael Jurka ");"); 13105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 13205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 13305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka @Override 13405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { 135e5919c5574ff09b88173b44558c6d325841511d6Michael Jurka if (oldVersion != newVersion) { 1365b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal clearDB(db); 137e5919c5574ff09b88173b44558c6d325841511d6Michael Jurka } 13805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 13905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 1405b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal @Override 1415b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) { 1425b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (oldVersion != newVersion) { 1435b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal clearDB(db); 1445b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 1455b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 14605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 1475b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private void clearDB(SQLiteDatabase db) { 1485b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME); 1495b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal onCreate(db); 15005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 15105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 15205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 1535b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private WidgetCacheKey getObjectKey(Object o, String size) { 1545b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // should cache the string builder 1555b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (o instanceof LauncherAppWidgetProviderInfo) { 1565b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal LauncherAppWidgetProviderInfo info = (LauncherAppWidgetProviderInfo) o; 1575b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return new WidgetCacheKey(info.provider, mManager.getUser(info), size); 15805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } else { 15905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka ResolveInfo info = (ResolveInfo) o; 1605b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return new WidgetCacheKey( 1615b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal new ComponentName(info.activityInfo.packageName, info.activityInfo.name), 1625b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal UserHandleCompat.myUserHandle(), size); 16305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 16405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 16505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 1665b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal @Thunk void writeToDb(WidgetCacheKey key, long[] versions, Bitmap preview) { 16705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka ContentValues values = new ContentValues(); 1685b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal values.put(CacheDb.COLUMN_COMPONENT, key.componentName.flattenToShortString()); 1695b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal values.put(CacheDb.COLUMN_USER, mUserManager.getSerialNumberForUser(key.user)); 1705b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal values.put(CacheDb.COLUMN_SIZE, key.size); 1715b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal values.put(CacheDb.COLUMN_PACKAGE, key.componentName.getPackageName()); 1725b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal values.put(CacheDb.COLUMN_VERSION, versions[0]); 1735b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal values.put(CacheDb.COLUMN_LAST_UPDATED, versions[1]); 1745b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal values.put(CacheDb.COLUMN_PREVIEW_BITMAP, Utilities.flattenBitmap(preview)); 17505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 1766e27f642ae66dd1920b25b527fced7268943d11aMichael Jurka try { 1775b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mDb.getWritableDatabase().insertWithOnConflict(CacheDb.TABLE_NAME, null, values, 1785b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal SQLiteDatabase.CONFLICT_REPLACE); 1795b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } catch (SQLException e) { 1805b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Log.e(TAG, "Error saving image to DB", e); 1816e27f642ae66dd1920b25b527fced7268943d11aMichael Jurka } 18205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 18305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 1845b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public void removePackage(String packageName, UserHandleCompat user) { 1855b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal removePackage(packageName, user, mUserManager.getSerialNumberForUser(user)); 1865b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 1875b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 1885b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private void removePackage(String packageName, UserHandleCompat user, long userSerial) { 1895b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal synchronized(mPackageVersions) { 1905b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mPackageVersions.remove(packageName); 1915b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 1925b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 1935b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal synchronized (mLoadedPreviews) { 1945b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Set<WidgetCacheKey> keysToRemove = new HashSet<>(); 1955b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal for (WidgetCacheKey key : mLoadedPreviews.keySet()) { 1965b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (key.componentName.getPackageName().equals(packageName) && key.user.equals(user)) { 1975b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal keysToRemove.add(key); 1985b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 1995b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 2005b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 2015b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal for (WidgetCacheKey key : keysToRemove) { 2025b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal WeakReference<Bitmap> req = mLoadedPreviews.remove(key); 2035b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (req != null && req.get() != null) { 2045b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mUnusedBitmaps.add(req.get()); 2055b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 2065b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 2075b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 2085b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 2096e27f642ae66dd1920b25b527fced7268943d11aMichael Jurka try { 2105b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mDb.getWritableDatabase().delete(CacheDb.TABLE_NAME, 2115b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal CacheDb.COLUMN_PACKAGE + " = ? AND " + CacheDb.COLUMN_USER + " = ?", 2125b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal new String[] {packageName, Long.toString(userSerial)}); 2135b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } catch (SQLException e) { 2145b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Log.e(TAG, "Unable to delete items from DB", e); 2156e27f642ae66dd1920b25b527fced7268943d11aMichael Jurka } 2168ff02cac07a9c7fb0f321e93d67ad75cc588fbaeMichael Jurka } 2178ff02cac07a9c7fb0f321e93d67ad75cc588fbaeMichael Jurka 2185b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal /** 2195b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * Updates the persistent DB: 2205b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * 1. Any preview generated for an old package version is removed 2215b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * 2. Any preview for an absent package is removed 2225b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * This ensures that we remove entries for packages which changed while the launcher was dead. 2235b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal */ 2245b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public void removeObsoletePreviews() { 2255b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal LongSparseArray<UserHandleCompat> userIdCache = new LongSparseArray<>(); 2265b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal LongSparseArray<HashSet<String>> validPackages = new LongSparseArray<>(); 2275b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 2285b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal for (Object obj : LauncherModel.getSortedWidgetsAndShortcuts(mContext, false)) { 2295b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal final UserHandleCompat user; 2305b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal final String pkg; 2315b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (obj instanceof ResolveInfo) { 2325b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal user = UserHandleCompat.myUserHandle(); 2335b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal pkg = ((ResolveInfo) obj).activityInfo.packageName; 2345b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } else { 2355b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal LauncherAppWidgetProviderInfo info = (LauncherAppWidgetProviderInfo) obj; 2365b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal user = mManager.getUser(info); 2375b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal pkg = info.provider.getPackageName(); 2385b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 2395b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 2405b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal int userIdIndex = userIdCache.indexOfValue(user); 2415b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal final long userId; 2425b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (userIdIndex < 0) { 2435b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal userId = mUserManager.getSerialNumberForUser(user); 2445b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal userIdCache.put(userId, user); 2455b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } else { 2465b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal userId = userIdCache.keyAt(userIdIndex); 2475b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 2485b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 2495b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal HashSet<String> packages = validPackages.get(userId); 2505b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (packages == null) { 2515b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal packages = new HashSet<>(); 2525b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal validPackages.put(userId, packages); 2535b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 2545b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal packages.add(pkg); 25505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 2565b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 2575b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal LongSparseArray<HashSet<String>> packagesToDelete = new LongSparseArray<>(); 2585b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Cursor c = null; 2595b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal try { 2605b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal c = mDb.getReadableDatabase().query(CacheDb.TABLE_NAME, 2615b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal new String[] {CacheDb.COLUMN_USER, CacheDb.COLUMN_PACKAGE, 2625b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal CacheDb.COLUMN_LAST_UPDATED, CacheDb.COLUMN_VERSION}, 2635b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal null, null, null, null, null); 2645b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal while (c.moveToNext()) { 2655b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal long userId = c.getLong(0); 2665b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal String pkg = c.getString(1); 2675b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal long lastUpdated = c.getLong(2); 2685b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal long version = c.getLong(3); 2695b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 2705b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal HashSet<String> packages = validPackages.get(userId); 2715b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (packages != null && packages.contains(pkg)) { 2725b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal long[] versions = getPackageVersion(pkg); 2735b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (versions[0] == version && versions[1] == lastUpdated) { 2745b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // Every thing checks out 2755b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal continue; 2765b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 2776e27f642ae66dd1920b25b527fced7268943d11aMichael Jurka } 2785b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 2795b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // We need to delete this package. 2805b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal packages = packagesToDelete.get(userId); 2815b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (packages == null) { 2825b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal packages = new HashSet<>(); 2835b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal packagesToDelete.put(userId, packages); 28405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 2855b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal packages.add(pkg); 28605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 28705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 2885b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal for (int i = 0; i < packagesToDelete.size(); i++) { 2895b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal long userId = packagesToDelete.keyAt(i); 2905b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal UserHandleCompat user = mUserManager.getUserForSerialNumber(userId); 2915b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal for (String pkg : packagesToDelete.valueAt(i)) { 2925b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal removePackage(pkg, user, userId); 2936e27f642ae66dd1920b25b527fced7268943d11aMichael Jurka } 294eb1bb920507fe7f27b2ecece5b67749dac7850f3Michael Jurka } 2955b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } catch (SQLException e) { 2965b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Log.e(TAG, "Error updatating widget previews", e); 2975b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } finally { 2985b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (c != null) { 2995b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal c.close(); 3005b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 3015b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 302eb1bb920507fe7f27b2ecece5b67749dac7850f3Michael Jurka } 303eb1bb920507fe7f27b2ecece5b67749dac7850f3Michael Jurka 3045b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private Bitmap readFromDb(WidgetCacheKey key, Bitmap recycle) { 3055b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Cursor cursor = null; 3066e27f642ae66dd1920b25b527fced7268943d11aMichael Jurka try { 3075b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal cursor = mDb.getReadableDatabase().query( 3085b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal CacheDb.TABLE_NAME, 3095b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal new String[] { CacheDb.COLUMN_PREVIEW_BITMAP }, 3105b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal CacheDb.COLUMN_COMPONENT + " = ? AND " + CacheDb.COLUMN_USER + " = ? AND " + CacheDb.COLUMN_SIZE + " = ?", 3115b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal new String[] { 3125b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal key.componentName.flattenToString(), 3135b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Long.toString(mUserManager.getSerialNumberForUser(key.user)), 3145b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal key.size 3155b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal }, 3165b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal null, null, null); 3175b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (cursor.moveToNext()) { 3185b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal byte[] blob = cursor.getBlob(0); 3195b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal BitmapFactory.Options opts = new BitmapFactory.Options(); 3205b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal opts.inBitmap = recycle; 3215b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal try { 3225b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return BitmapFactory.decodeByteArray(blob, 0, blob.length, opts); 3235b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } catch (Exception e) { 3245b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return null; 3255b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 3265b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 3275b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } catch (SQLException e) { 3285b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Log.w(TAG, "Error loading preview from DB", e); 3295b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } finally { 3305b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (cursor != null) { 3315b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal cursor.close(); 332eb1bb920507fe7f27b2ecece5b67749dac7850f3Michael Jurka } 33305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 3345b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return null; 33505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 33605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 3375b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private Bitmap generatePreview(Object info, Bitmap recycle, int previewWidth, int previewHeight) { 3385940042d39b576553c2499bcf3d0641281e6ad52Adam Cohen if (info instanceof LauncherAppWidgetProviderInfo) { 3395b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return generateWidgetPreview((LauncherAppWidgetProviderInfo) info, previewWidth, recycle); 34005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } else { 34105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka return generateShortcutPreview( 3425b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal (ResolveInfo) info, previewWidth, previewHeight, recycle); 34305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 34405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 34505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 3465b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public Bitmap generateWidgetPreview(LauncherAppWidgetProviderInfo info, 3475b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal int previewWidth, Bitmap preview) { 3485b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal int maxWidth = Math.min(previewWidth, info.spanX 3495b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * LauncherAppState.getInstance().getDynamicGrid().getDeviceProfile().cellWidthPx); 3504cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal return generateWidgetPreview(info, maxWidth, preview, null); 35105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 35205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 3534cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal public Bitmap generateWidgetPreview(LauncherAppWidgetProviderInfo info, 3544cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal int maxPreviewWidth, Bitmap preview, int[] preScaledWidthOut) { 35505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka // Load the preview image if possible 35605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka if (maxPreviewWidth < 0) maxPreviewWidth = Integer.MAX_VALUE; 35705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 35805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka Drawable drawable = null; 359ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal if (info.previewImage != 0) { 360ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal drawable = mManager.loadPreview(info); 361fa9ffc28fd4d230cf38b55840238f5595716abc8Adrian Roos if (drawable != null) { 362fa9ffc28fd4d230cf38b55840238f5595716abc8Adrian Roos drawable = mutateOnMainThread(drawable); 363fa9ffc28fd4d230cf38b55840238f5595716abc8Adrian Roos } else { 36405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka Log.w(TAG, "Can't load widget preview drawable 0x" + 365ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal Integer.toHexString(info.previewImage) + " for provider: " + info.provider); 36605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 36705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 36805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 3694cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal final boolean widgetPreviewExists = (drawable != null); 3704cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal final int spanX = info.spanX < 1 ? 1 : info.spanX; 3714cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal final int spanY = info.spanY < 1 ? 1 : info.spanY; 3724cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 37305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka int previewWidth; 37405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka int previewHeight; 3754cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal Bitmap tileBitmap = null; 3764cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 37705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka if (widgetPreviewExists) { 37805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka previewWidth = drawable.getIntrinsicWidth(); 37905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka previewHeight = drawable.getIntrinsicHeight(); 38005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } else { 38105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka // Generate a preview image if we couldn't load one 3824cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal tileBitmap = ((BitmapDrawable) mContext.getResources().getDrawable( 3834cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal R.drawable.widget_tile)).getBitmap(); 3844cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal previewWidth = tileBitmap.getWidth() * spanX; 3854cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal previewHeight = tileBitmap.getHeight() * spanY; 38605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 38705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 38805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka // Scale to fit width only - let the widget preview be clipped in the 38905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka // vertical dimension 39005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka float scale = 1f; 39105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka if (preScaledWidthOut != null) { 39205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka preScaledWidthOut[0] = previewWidth; 39305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 39405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka if (previewWidth > maxPreviewWidth) { 39505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka scale = maxPreviewWidth / (float) previewWidth; 39605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 39705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka if (scale != 1f) { 39805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka previewWidth = (int) (scale * previewWidth); 39905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka previewHeight = (int) (scale * previewHeight); 40005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 40105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 40205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka // If a bitmap is passed in, we use it; otherwise, we create a bitmap of the right size 4034cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal final Canvas c = new Canvas(); 40405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka if (preview == null) { 40505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka preview = Bitmap.createBitmap(previewWidth, previewHeight, Config.ARGB_8888); 4064cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal c.setBitmap(preview); 4074cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal } else { 4084cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal // Reusing bitmap. Clear it. 4094cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal c.setBitmap(preview); 4104cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal c.drawColor(0, PorterDuff.Mode.CLEAR); 41105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 41205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 41305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka // Draw the scaled preview into the final bitmap 41405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka int x = (preview.getWidth() - previewWidth) / 2; 41505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka if (widgetPreviewExists) { 4164cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal drawable.setBounds(x, 0, x + previewWidth, previewHeight); 4174cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal drawable.draw(c); 41805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } else { 4194cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal final Paint p = new Paint(); 4204cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal p.setFilterBitmap(true); 4215b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal int appIconSize = LauncherAppState.getInstance().getDynamicGrid() 4225b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal .getDeviceProfile().iconSizePx; 4234cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 4244cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal // draw the spanX x spanY tiles 4254cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal final Rect src = new Rect(0, 0, tileBitmap.getWidth(), tileBitmap.getHeight()); 4264cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 4274cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal float tileW = scale * tileBitmap.getWidth(); 4284cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal float tileH = scale * tileBitmap.getHeight(); 4294cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal final RectF dst = new RectF(0, 0, tileW, tileH); 4304cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 4314cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal float tx = x; 4324cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal for (int i = 0; i < spanX; i++, tx += tileW) { 4334cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal float ty = 0; 4344cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal for (int j = 0; j < spanY; j++, ty += tileH) { 4354cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal dst.offsetTo(tx, ty); 4364cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal c.drawBitmap(tileBitmap, src, dst, p); 4374cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal } 43805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 4394cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 4404cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal // Draw the icon in the top left corner 4414cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal // TODO: use top right for RTL 4425b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal int minOffset = (int) (appIconSize * WIDGET_PREVIEW_ICON_PADDING_PERCENTAGE); 4434cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal int smallestSide = Math.min(previewWidth, previewHeight); 4445b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal float iconScale = Math.min((float) smallestSide / (appIconSize + 2 * minOffset), scale); 4454cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 4464cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal try { 4474cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal Drawable icon = mutateOnMainThread(mManager.loadIcon(info, mIconCache)); 4484cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal if (icon != null) { 4495b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal int hoffset = (int) ((tileW - appIconSize * iconScale) / 2) + x; 4505b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal int yoffset = (int) ((tileH - appIconSize * iconScale) / 2); 4514cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.setBounds(hoffset, yoffset, 4525b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal hoffset + (int) (appIconSize * iconScale), 4535b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal yoffset + (int) (appIconSize * iconScale)); 4544cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.draw(c); 4554cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal } 4564cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal } catch (Resources.NotFoundException e) { } 45705713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka c.setBitmap(null); 45805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 459ffe83f13319cdb833a25596d47cf1af098cc4c60Sunny Goyal return mManager.getBadgeBitmap(info, preview); 46005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 46105713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 46205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka private Bitmap generateShortcutPreview( 46305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka ResolveInfo info, int maxWidth, int maxHeight, Bitmap preview) { 4644cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal final Canvas c = new Canvas(); 4654cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal if (preview == null) { 4664cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal preview = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888); 4674cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal c.setBitmap(preview); 4684cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal } else if (preview.getWidth() != maxWidth || preview.getHeight() != maxHeight) { 4694cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal throw new RuntimeException("Improperly sized bitmap passed as argument"); 47005713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } else { 4714cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal // Reusing bitmap. Clear it. 4724cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal c.setBitmap(preview); 47305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka c.drawColor(0, PorterDuff.Mode.CLEAR); 47405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 47505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 4764cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal Drawable icon = mutateOnMainThread(mIconCache.getFullResIcon(info.activityInfo)); 4774cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.setFilterBitmap(true); 47805713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 4794cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal // Draw a desaturated/scaled version of the icon in the background as a watermark 4804cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal ColorMatrix colorMatrix = new ColorMatrix(); 4814cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal colorMatrix.setSaturation(0); 4824cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.setColorFilter(new ColorMatrixColorFilter(colorMatrix)); 4834cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.setAlpha((int) (255 * 0.06f)); 4844cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal 4854cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal Resources res = mContext.getResources(); 4864cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal int paddingTop = res.getDimensionPixelOffset(R.dimen.shortcut_preview_padding_top); 4874cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal int paddingLeft = res.getDimensionPixelOffset(R.dimen.shortcut_preview_padding_left); 4884cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal int paddingRight = res.getDimensionPixelOffset(R.dimen.shortcut_preview_padding_right); 48905713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka int scaledIconWidth = (maxWidth - paddingLeft - paddingRight); 4904cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.setBounds(paddingLeft, paddingTop, 4914cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal paddingLeft + scaledIconWidth, paddingTop + scaledIconWidth); 4924cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.draw(c); 49305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 4944cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal // Draw the final icon at top left corner. 4954cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal // TODO: use top right for RTL 4965b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal int appIconSize = LauncherAppState.getInstance().getDynamicGrid() 4975b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal .getDeviceProfile().iconSizePx; 4984cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.setAlpha(255); 4994cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.setColorFilter(null); 5005b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal icon.setBounds(0, 0, appIconSize, appIconSize); 5014cad7538c9615303d291f5b52e960aaf0985828fSunny Goyal icon.draw(c); 50205713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 50305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka c.setBitmap(null); 50405713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka return preview; 50505713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka } 50605713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka 50765d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos private Drawable mutateOnMainThread(final Drawable drawable) { 50865d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos try { 50965d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos return mMainThreadExecutor.submit(new Callable<Drawable>() { 51065d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos @Override 51165d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos public Drawable call() throws Exception { 51265d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos return drawable.mutate(); 51365d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos } 51465d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos }).get(); 51565d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos } catch (InterruptedException e) { 51665d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos Thread.currentThread().interrupt(); 51765d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos throw new RuntimeException(e); 51865d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos } catch (ExecutionException e) { 51965d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos throw new RuntimeException(e); 52065d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos } 52165d60e21ec22e3bf03ba39f7a0be24df2cc914a2Adrian Roos } 5221f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos 5231f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos /** 5245b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * @return an array of containing versionCode and lastUpdatedTime for the package. 5251f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos */ 5265b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private long[] getPackageVersion(String packageName) { 5275b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal synchronized (mPackageVersions) { 5285b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal long[] versions = mPackageVersions.get(packageName); 5295b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (versions == null) { 5305b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal versions = new long[2]; 5311f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos try { 5325b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal PackageInfo info = mContext.getPackageManager().getPackageInfo(packageName, 0); 5335b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal versions[0] = info.versionCode; 5345b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal versions[1] = info.lastUpdateTime; 5355b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } catch (NameNotFoundException e) { 5365b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Log.e(TAG, "PackageInfo not found", e); 5375b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5385b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mPackageVersions.put(packageName, versions); 5395b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5405b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return versions; 5415b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5425b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5435b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5445b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal /** 5455b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal * A request Id which can be used by the client to cancel any request. 5465b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal */ 5475b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public class PreviewLoadRequest { 5485b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5495b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final PreviewLoadTask mTask; 5505b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final WidgetCacheKey mKey; 5515b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5525b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public PreviewLoadRequest(PreviewLoadTask task, WidgetCacheKey key) { 5535b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mTask = task; 5545b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mKey = key; 5555b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5565b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5575b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public void cancel(boolean recycleImage) { 5585b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (mTask != null) { 5595b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mTask.cancel(true); 5605b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5615b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5625b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (recycleImage) { 5635b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal synchronized(mLoadedPreviews) { 5645b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal WeakReference<Bitmap> result = mLoadedPreviews.remove(mKey); 5655b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (result != null && result.get() != null) { 5665b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mUnusedBitmaps.add(result.get()); 5671f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos } 5685b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5695b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5705b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5715b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5725b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5735b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public class PreviewLoadTask extends AsyncTask<Void, Void, Bitmap> { 5745b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5755b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final WidgetCacheKey mKey; 5765b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final Object mInfo; 5775b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final int mPreviewHeight; 5785b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final int mPreviewWidth; 5795b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final PagedViewWidget mCaller; 5805b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5815b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal PreviewLoadTask(WidgetCacheKey key, Object info, int previewWidth, 5825b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal int previewHeight, PagedViewWidget caller) { 5835b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mKey = key; 5845b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mInfo = info; 5855b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mPreviewHeight = previewHeight; 5865b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mPreviewWidth = previewWidth; 5875b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mCaller = caller; 5885b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 5895b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5905b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 5915b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal @Override 5925b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal protected Bitmap doInBackground(Void... params) { 5935b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Bitmap unusedBitmap = null; 5945b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal synchronized (mUnusedBitmaps) { 5955b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // Check if we can use a bitmap 5965b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal for (Bitmap candidate : mUnusedBitmaps) { 5975b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (candidate != null && candidate.isMutable() && 5985b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal candidate.getWidth() == mPreviewWidth && 5995b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal candidate.getHeight() == mPreviewHeight) { 6005b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal unusedBitmap = candidate; 6015b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal break; 6021f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos } 6035b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 6045b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6055b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (unusedBitmap == null) { 6065b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal unusedBitmap = Bitmap.createBitmap(mPreviewWidth, mPreviewHeight, Config.ARGB_8888); 6075b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } else { 6085b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mUnusedBitmaps.remove(unusedBitmap); 6095b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 6105b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 6115b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6125b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (isCancelled()) { 6135b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return null; 6145b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 6155b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal Bitmap preview = readFromDb(mKey, unusedBitmap); 6165b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (!isCancelled() && preview == null) { 6175b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // Fetch the version info before we generate the preview, so that, in-case the 6185b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // app was updated while we are generating the preview, we use the old version info, 6195b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // which would gets re-written next time. 6205b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal long[] versions = getPackageVersion(mKey.componentName.getPackageName()); 6215b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6225b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // it's not in the db... we need to generate it 6235b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal preview = generatePreview(mInfo, unusedBitmap, mPreviewWidth, mPreviewHeight); 6245b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6255b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal if (!isCancelled()) { 6265b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal writeToDb(mKey, versions, preview); 6271f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos } 6281f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos } 6295b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6305b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return preview; 6315b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 6325b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6335b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal @Override 6345b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal protected void onPostExecute(Bitmap result) { 6355b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal synchronized(mLoadedPreviews) { 6365b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mLoadedPreviews.put(mKey, new WeakReference<Bitmap>(result)); 6371f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos } 6385b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6395b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal mCaller.applyPreview(result); 6405b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 6415b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 6425b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6435b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private static final class WidgetCacheKey extends ComponentKey { 6445b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6455b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal // TODO: remove dependency on size 6465b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal private final String size; 6475b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6485b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public WidgetCacheKey(ComponentName componentName, UserHandleCompat user, String size) { 6495b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal super(componentName, user); 6505b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal this.size = size; 6515b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 6525b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6535b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal @Override 6545b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public int hashCode() { 6555b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return super.hashCode() ^ size.hashCode(); 6565b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal } 6575b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal 6585b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal @Override 6595b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal public boolean equals(Object o) { 6605b0e669169ea2c951bf2f6f71faf793b24db3c23Sunny Goyal return super.equals(o) && ((WidgetCacheKey) o).size.equals(size); 6611f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos } 6621f375ab63339359e1f8cd44cede466adedcdcc62Adrian Roos } 66305713af127d765cc28a8b2fd548a90347c90d6cbMichael Jurka} 664