137     @Thunk WeakReference<Callbacks> mCallbacks;  field in LauncherModel
1210             mCallbacks = new WeakReference<Callbacks>(callbacks);  in initialize()
1338         return (mCallbacks != null && mCallbacks.get() == callbacks);  in isCurrentCallbacks()
1356             if (mCallbacks != null && mCallbacks.get() != null) {  in startLoader()
1596                 if (mCallbacks == null) {  in tryGetCallbacks()
1600                 final Callbacks callbacks = mCallbacks.get();  in tryGetCallbacks()
1624                 if (mCallbacks == null ||  in checkItemPlacement()
1625                         mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) {  in checkItemPlacement()
2571             final Callbacks oldCallbacks = mCallbacks.get();  in bindWorkspace()
2749             final Callbacks oldCallbacks = mCallbacks.get();
2786             final Callbacks oldCallbacks = mCallbacks.get();
3700         Log.d(TAG, "mCallbacks=" + mCallbacks);
3713         return mCallbacks != null ? mCallbacks.get() : null;