Examples with IAppWidgetHost com.android.internal.appwidget.IAppWidgetHost used on opensource projects

Example 6 with IAppWidgetHost

use of com.android.internal.appwidget.IAppWidgetHost in project android_frameworks_base by DirtyUnicorns.

the class AppWidgetServiceImpl method startListening.

@Override
public ParceledListSlice<PendingHostUpdate> startListening(IAppWidgetHost callbacks, String callingPackage, int hostId, int[] appWidgetIds) {
    final int userId = UserHandle.getCallingUserId();
    if (DEBUG) {
        Slog.i(TAG, "startListening() " + userId);
    }
    // Make sure the package runs under the caller uid.
    mSecurityPolicy.enforceCallFromPackage(callingPackage);
    synchronized (mLock) {
        ensureGroupStateLoadedLocked(userId);
        // NOTE: The lookup is enforcing security across users by making
        // sure the caller can only access hosts it owns.
        HostId id = new HostId(Binder.getCallingUid(), hostId, callingPackage);
        Host host = lookupOrAddHostLocked(id);
        host.callbacks = callbacks;
        int N = appWidgetIds.length;
        ArrayList<PendingHostUpdate> outUpdates = new ArrayList<>(N);
        LongSparseArray<PendingHostUpdate> updatesMap = new LongSparseArray<>();
        for (int i = 0; i < N; i++) {
            if (host.getPendingUpdatesForId(appWidgetIds[i], updatesMap)) {
                // We key the updates based on request id, so that the values are sorted in the
                // order they were received.
                int M = updatesMap.size();
                for (int j = 0; j < M; j++) {
                    outUpdates.add(updatesMap.valueAt(j));
                }
            }
        }
        return new ParceledListSlice<>(outUpdates);
    }
}