114     private WeakReference<Callbacks> mCallbacks;  field in LauncherModel
791             mCallbacks = new WeakReference<Callbacks>(callbacks);  in initialize()
871             if (mCallbacks != null) {  in onReceive()
872                 Callbacks callbacks = mCallbacks.get();  in onReceive()
907         if (mCallbacks != null) {  in startLoaderFromBackground()
908             Callbacks callbacks = mCallbacks.get();  in startLoaderFromBackground()
946             if (mCallbacks != null && mCallbacks.get() != null) {  in startLoader()
1202                 if (mCallbacks == null) {  in tryGetCallbacks()
1206                 final Callbacks callbacks = mCallbacks.get();  in tryGetCallbacks()
1224                 if (mCallbacks == null || mCallbacks.get().isAllAppsButtonRank(item.screen)) {  in checkItemPlacement()
1739             final Callbacks oldCallbacks = mCallbacks.get();  in bindWorkspace()
1858             final Callbacks oldCallbacks = mCallbacks.get();  in onlyBindAllApps()
1895             final Callbacks oldCallbacks = mCallbacks.get();  in loadAllAppsByBatch()
2091             final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null;  in run()
2101                         Callbacks cb = mCallbacks != null ? mCallbacks.get() : null;  in run()
2112                         Callbacks cb = mCallbacks != null ? mCallbacks.get() : null;  in run()
2128                         Callbacks cb = mCallbacks != null ? mCallbacks.get() : null;  in run()
2142                     Callbacks cb = mCallbacks != null ? mCallbacks.get() : null;  in run()
2646         Log.d(TAG, "mCallbacks=" + mCallbacks);