LauncherAppState.java revision 892c74d460ad98c6306420e1127c9aa3e505ba25
1cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler/* 2cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * Copyright (C) 2013 The Android Open Source Project 3cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * 4cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * Licensed under the Apache License, Version 2.0 (the "License"); 5cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * you may not use this file except in compliance with the License. 6cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * You may obtain a copy of the License at 7cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * 8cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * http://www.apache.org/licenses/LICENSE-2.0 9cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * 10cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * Unless required by applicable law or agreed to in writing, software 11cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * distributed under the License is distributed on an "AS IS" BASIS, 12cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * See the License for the specific language governing permissions and 14cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * limitations under the License. 15cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler */ 16cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 17cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandlerpackage com.android.launcher3; 18cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 19cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandlerimport android.app.SearchManager; 20b9eb2865af05d9ade572e71934a9e6a50421aa7dDaniel Sandlerimport android.content.*; 21cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandlerimport android.content.res.Configuration; 22104c45677660586026a7e74ef8c47d396403d50eMichael Jurkaimport android.content.res.Resources; 23cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandlerimport android.database.ContentObserver; 24cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandlerimport android.os.Handler; 255f8afe6280eae34620067696173e71943e1a30a3Winson Chungimport android.provider.Settings; 26b9eb2865af05d9ade572e71934a9e6a50421aa7dDaniel Sandlerimport android.util.Log; 275f8afe6280eae34620067696173e71943e1a30a3Winson Chungimport android.view.Display; 28cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 29cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandlerimport java.lang.ref.WeakReference; 30cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 31cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandlerpublic class LauncherAppState { 325f8afe6280eae34620067696173e71943e1a30a3Winson Chung private static final String TAG = "LauncherAppState"; 33e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler private static final String SHARED_PREFERENCES_KEY = "com.android.launcher3.prefs"; 34e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler 35cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler private LauncherModel mModel; 36cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler private IconCache mIconCache; 37cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler private WidgetPreviewLoader.CacheDb mWidgetPreviewCacheDb; 38e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler private boolean mIsScreenLarge; 39e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler private float mScreenDensity; 40e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler private int mLongPressTimeout = 300; 41cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 42e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler private static WeakReference<LauncherProvider> sLauncherProvider; 43e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler private static Context sContext; 44cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 45e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler private static Object mLock = new Object(); 46e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler private static LauncherAppState INSTANCE; 47cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 485f8afe6280eae34620067696173e71943e1a30a3Winson Chung private DynamicGrid mDynamicGrid; 495f8afe6280eae34620067696173e71943e1a30a3Winson Chung 50cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler public static LauncherAppState getInstance() { 51e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler if (INSTANCE == null) { 52e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler INSTANCE = new LauncherAppState(); 53e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler } 54cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler return INSTANCE; 55cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 56cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 57cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler public Context getContext() { 58e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler return sContext; 59cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 60cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 61e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler public static void setApplicationContext(Context context) { 62e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler if (sContext != null) { 63e060b0b3c72b93b47031f0f33bf18b121fb99333Daniel Sandler Log.w(Launcher.TAG, "setApplicationContext called twice! old=" + sContext + " new=" + context); 64e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler } 65e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler sContext = context.getApplicationContext(); 66e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler } 67b9eb2865af05d9ade572e71934a9e6a50421aa7dDaniel Sandler 68e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler private LauncherAppState() { 69e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler if (sContext == null) { 70e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler throw new IllegalStateException("LauncherAppState inited before app context set"); 71e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler } 72cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 73e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler Log.v(Launcher.TAG, "LauncherAppState inited"); 74924b993c750e6de8537afb750c2d2b9932efbdacDaniel Sandler 75e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler if (sContext.getResources().getBoolean(R.bool.debug_memory_enabled)) { 76e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler MemoryTracker.startTrackingMe(sContext, "L"); 77b9eb2865af05d9ade572e71934a9e6a50421aa7dDaniel Sandler } 78b9eb2865af05d9ade572e71934a9e6a50421aa7dDaniel Sandler 79e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler // set sIsScreenXLarge and mScreenDensity *before* creating icon cache 80104c45677660586026a7e74ef8c47d396403d50eMichael Jurka mIsScreenLarge = isScreenLarge(sContext.getResources()); 81e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler mScreenDensity = sContext.getResources().getDisplayMetrics().density; 82b9eb2865af05d9ade572e71934a9e6a50421aa7dDaniel Sandler 83e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler mWidgetPreviewCacheDb = new WidgetPreviewLoader.CacheDb(sContext); 84e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler mIconCache = new IconCache(sContext); 85e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler mModel = new LauncherModel(this, mIconCache); 86cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 87cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler // Register intent receivers 88cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED); 89cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter.addAction(Intent.ACTION_PACKAGE_REMOVED); 90cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter.addAction(Intent.ACTION_PACKAGE_CHANGED); 91cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter.addDataScheme("package"); 92e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler sContext.registerReceiver(mModel, filter); 93cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter = new IntentFilter(); 94cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE); 95cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 96cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter.addAction(Intent.ACTION_LOCALE_CHANGED); 97cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter.addAction(Intent.ACTION_CONFIGURATION_CHANGED); 98e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler sContext.registerReceiver(mModel, filter); 99cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter = new IntentFilter(); 100cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter.addAction(SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED); 101e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler sContext.registerReceiver(mModel, filter); 102cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter = new IntentFilter(); 103cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler filter.addAction(SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED); 104e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler sContext.registerReceiver(mModel, filter); 105cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 106cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler // Register for changes to the favorites 107e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler ContentResolver resolver = sContext.getContentResolver(); 108cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler resolver.registerContentObserver(LauncherSettings.Favorites.CONTENT_URI, true, 109cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler mFavoritesObserver); 110cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 111cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 112cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler /** 113cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * Call from Application.onTerminate(), which is not guaranteed to ever be called. 114cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler */ 115cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler public void onTerminate() { 116e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler sContext.unregisterReceiver(mModel); 117cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 118e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler ContentResolver resolver = sContext.getContentResolver(); 119cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler resolver.unregisterContentObserver(mFavoritesObserver); 120cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 121cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 122cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler /** 123cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler * Receives notifications whenever the user favorites have changed. 124cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler */ 125cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler private final ContentObserver mFavoritesObserver = new ContentObserver(new Handler()) { 126cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler @Override 127cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler public void onChange(boolean selfChange) { 128cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler // If the database has ever changed, then we really need to force a reload of the 129cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler // workspace on the next load 130cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler mModel.resetLoadedState(false, true); 131cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler mModel.startLoaderFromBackground(); 132cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 133cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler }; 134cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 135cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler LauncherModel setLauncher(Launcher launcher) { 136e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler if (mModel == null) { 137e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler throw new IllegalStateException("setLauncher() called before init()"); 138e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler } 139cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler mModel.initialize(launcher); 140cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler return mModel; 141cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 142cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 143cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler IconCache getIconCache() { 144cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler return mIconCache; 145cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 146cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 147cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler LauncherModel getModel() { 148cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler return mModel; 149cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 150cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 151cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler WidgetPreviewLoader.CacheDb getWidgetPreviewCacheDb() { 152cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler return mWidgetPreviewCacheDb; 153cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 154cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 155e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler static void setLauncherProvider(LauncherProvider provider) { 156e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler sLauncherProvider = new WeakReference<LauncherProvider>(provider); 157cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 158cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 159e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler static LauncherProvider getLauncherProvider() { 160e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler return sLauncherProvider.get(); 161924b993c750e6de8537afb750c2d2b9932efbdacDaniel Sandler } 162924b993c750e6de8537afb750c2d2b9932efbdacDaniel Sandler 163cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler public static String getSharedPreferencesKey() { 164e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler return SHARED_PREFERENCES_KEY; 165cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 166cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 167892c74d460ad98c6306420e1127c9aa3e505ba25Winson Chung DeviceProfile initDynamicGrid(Context context, int minWidth, int minHeight, 168892c74d460ad98c6306420e1127c9aa3e505ba25Winson Chung int width, int height, 169892c74d460ad98c6306420e1127c9aa3e505ba25Winson Chung int availableWidth, int availableHeight) { 1705f8afe6280eae34620067696173e71943e1a30a3Winson Chung boolean created = false; 1715f8afe6280eae34620067696173e71943e1a30a3Winson Chung if (mDynamicGrid == null) { 1725f8afe6280eae34620067696173e71943e1a30a3Winson Chung mDynamicGrid = new DynamicGrid(context.getResources(), 173892c74d460ad98c6306420e1127c9aa3e505ba25Winson Chung minWidth, minHeight, width, height, 174892c74d460ad98c6306420e1127c9aa3e505ba25Winson Chung availableWidth, availableHeight); 1755f8afe6280eae34620067696173e71943e1a30a3Winson Chung created = true; 1765f8afe6280eae34620067696173e71943e1a30a3Winson Chung } 1775f8afe6280eae34620067696173e71943e1a30a3Winson Chung 1785f8afe6280eae34620067696173e71943e1a30a3Winson Chung // Update the icon size 179892c74d460ad98c6306420e1127c9aa3e505ba25Winson Chung DeviceProfile grid = mDynamicGrid.getDeviceProfile(); 1805f8afe6280eae34620067696173e71943e1a30a3Winson Chung Utilities.setIconSize(grid.iconSizePx); 181892c74d460ad98c6306420e1127c9aa3e505ba25Winson Chung grid.updateFromConfiguration(context.getResources(), width, height, 182892c74d460ad98c6306420e1127c9aa3e505ba25Winson Chung availableWidth, availableHeight); 1835f8afe6280eae34620067696173e71943e1a30a3Winson Chung return grid; 1845f8afe6280eae34620067696173e71943e1a30a3Winson Chung } 1855f8afe6280eae34620067696173e71943e1a30a3Winson Chung DynamicGrid getDynamicGrid() { 1865f8afe6280eae34620067696173e71943e1a30a3Winson Chung return mDynamicGrid; 1875f8afe6280eae34620067696173e71943e1a30a3Winson Chung } 1885f8afe6280eae34620067696173e71943e1a30a3Winson Chung 189e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler public boolean isScreenLarge() { 190e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler return mIsScreenLarge; 191cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 192cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 193104c45677660586026a7e74ef8c47d396403d50eMichael Jurka // Need a version that doesn't require an instance of LauncherAppState for the wallpaper picker 194104c45677660586026a7e74ef8c47d396403d50eMichael Jurka public static boolean isScreenLarge(Resources res) { 195104c45677660586026a7e74ef8c47d396403d50eMichael Jurka return res.getBoolean(R.bool.is_large_tablet); 196104c45677660586026a7e74ef8c47d396403d50eMichael Jurka } 197104c45677660586026a7e74ef8c47d396403d50eMichael Jurka 198cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler public static boolean isScreenLandscape(Context context) { 199cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler return context.getResources().getConfiguration().orientation == 200cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler Configuration.ORIENTATION_LANDSCAPE; 201cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 202cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 203e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler public float getScreenDensity() { 204e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler return mScreenDensity; 205cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 206cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler 207e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler public int getLongPressTimeout() { 208e4f9891f01bdc10d8f96e4e2429e2f4d0558238bDaniel Sandler return mLongPressTimeout; 209cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler } 210cc8befac3550c81d04ea206c170adae36c9a6c93Daniel Sandler} 211