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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.wearable.synchronizednotifications;
     18 
     19 import static com.google.android.gms.wearable.PutDataRequest.WEAR_URI_SCHEME;
     20 
     21 import android.content.Intent;
     22 import android.net.Uri;
     23 import android.os.Bundle;
     24 import android.support.v4.app.NotificationManagerCompat;
     25 import android.util.Log;
     26 
     27 import com.example.android.wearable.synchronizednotifications.common.Constants;
     28 import com.google.android.gms.common.ConnectionResult;
     29 import com.google.android.gms.common.api.GoogleApiClient;
     30 import com.google.android.gms.common.api.ResultCallback;
     31 import com.google.android.gms.wearable.DataApi;
     32 import com.google.android.gms.wearable.DataEvent;
     33 import com.google.android.gms.wearable.DataEventBuffer;
     34 import com.google.android.gms.wearable.Wearable;
     35 import com.google.android.gms.wearable.WearableListenerService;
     36 
     37 /**
     38  * A {@link com.google.android.gms.wearable.WearableListenerService} that is invoked when certain
     39  * notifications are dismissed from either the phone or watch.
     40  */
     41 public class DismissListener extends WearableListenerService
     42         implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener,
     43         ResultCallback<DataApi.DeleteDataItemsResult> {
     44 
     45     private static final String TAG = "DismissListener";
     46     private GoogleApiClient mGoogleApiClient;
     47 
     48     @Override
     49     public void onCreate() {
     50         super.onCreate();
     51         mGoogleApiClient = new GoogleApiClient.Builder(this)
     52                 .addApi(Wearable.API)
     53                 .addConnectionCallbacks(this)
     54                 .addOnConnectionFailedListener(this)
     55                 .build();
     56     }
     57 
     58     @Override
     59     public void onDataChanged(DataEventBuffer dataEvents) {
     60         for (DataEvent dataEvent : dataEvents) {
     61             if (dataEvent.getType() == DataEvent.TYPE_DELETED) {
     62                 if (Constants.BOTH_PATH.equals(dataEvent.getDataItem().getUri().getPath())) {
     63                     // notification on the phone should be dismissed
     64                     NotificationManagerCompat.from(this).cancel(Constants.BOTH_ID);
     65                 }
     66             }
     67         }
     68     }
     69 
     70     @Override
     71     public int onStartCommand(Intent intent, int flags, int startId) {
     72         if (null != intent) {
     73             String action = intent.getAction();
     74             if (Constants.ACTION_DISMISS.equals(action)) {
     75                 // We need to dismiss the wearable notification. We delete the DataItem that
     76                 // created the notification to inform the wearable.
     77                 int notificationId = intent.getIntExtra(Constants.KEY_NOTIFICATION_ID, -1);
     78                 if (notificationId == Constants.BOTH_ID) {
     79                     dismissWearableNotification(notificationId);
     80                 }
     81             }
     82         }
     83         return super.onStartCommand(intent, flags, startId);
     84     }
     85 
     86     /**
     87      * Removes the DataItem that was used to create a notification on the watch. By deleting the
     88      * data item, a {@link com.google.android.gms.wearable.WearableListenerService} on the watch
     89      * will be notified and the notification on the watch will be removed. To
     90      * access the Wearable DataApi, we first need to ensure the GoogleApiClient is ready,
     91      * which will then run the onConnected callback were the data removal is
     92      * defined.
     93      *
     94      * @param id The ID of the notification that should be removed
     95      */
     96     private void dismissWearableNotification(final int id) {
     97         mGoogleApiClient.connect();
     98     }
     99 
    100     @Override // ConnectionCallbacks
    101     public void onConnected(Bundle bundle) {
    102         final Uri dataItemUri =
    103                 new Uri.Builder().scheme(WEAR_URI_SCHEME).path(Constants.BOTH_PATH).build();
    104         if (Log.isLoggable(TAG, Log.DEBUG)) {
    105             Log.d(TAG, "Deleting Uri: " + dataItemUri.toString());
    106         }
    107         Wearable.DataApi.deleteDataItems(
    108                 mGoogleApiClient, dataItemUri).setResultCallback(this);
    109     }
    110 
    111     @Override // ConnectionCallbacks
    112     public void onConnectionSuspended(int i) {
    113     }
    114 
    115     @Override // OnConnectionFailedListener
    116     public void onConnectionFailed(ConnectionResult connectionResult) {
    117         Log.e(TAG, "Failed to connect to the Google API client");
    118     }
    119 
    120     @Override // ResultCallback<DataApi.DeleteDataItemsResult>
    121     public void onResult(DataApi.DeleteDataItemsResult deleteDataItemsResult) {
    122         if (!deleteDataItemsResult.getStatus().isSuccess()) {
    123             Log.e(TAG, "dismissWearableNotification(): failed to delete DataItem");
    124         }
    125         mGoogleApiClient.disconnect();
    126     }
    127 }
    128