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      1 /*
      2  * Copyright (C) 2017 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.android.tv.data.epg;
     18 
     19 import android.app.job.JobParameters;
     20 import android.app.job.JobService;
     21 import com.android.tv.Starter;
     22 import com.android.tv.TvSingletons;
     23 import com.android.tv.data.ChannelDataManager;
     24 
     25 /** JobService to Fetch EPG data. */
     26 public class EpgFetchService extends JobService {
     27     private EpgFetcher mEpgFetcher;
     28     private ChannelDataManager mChannelDataManager;
     29 
     30     @Override
     31     public void onCreate() {
     32         super.onCreate();
     33         Starter.start(this);
     34         TvSingletons tvSingletons = TvSingletons.getSingletons(getApplicationContext());
     35         mEpgFetcher = tvSingletons.getEpgFetcher();
     36         mChannelDataManager = tvSingletons.getChannelDataManager();
     37     }
     38 
     39     @Override
     40     public boolean onStartJob(JobParameters params) {
     41         if (!mChannelDataManager.isDbLoadFinished()) {
     42             mChannelDataManager.addListener(
     43                     new ChannelDataManager.Listener() {
     44                         @Override
     45                         public void onLoadFinished() {
     46                             mChannelDataManager.removeListener(this);
     47                             if (!mEpgFetcher.executeFetchTaskIfPossible(
     48                                     EpgFetchService.this, params)) {
     49                                 jobFinished(params, false);
     50                             }
     51                         }
     52 
     53                         @Override
     54                         public void onChannelListUpdated() {}
     55 
     56                         @Override
     57                         public void onChannelBrowsableChanged() {}
     58                     });
     59             return true;
     60         } else {
     61             return mEpgFetcher.executeFetchTaskIfPossible(this, params);
     62         }
     63     }
     64 
     65     @Override
     66     public boolean onStopJob(JobParameters params) {
     67         mEpgFetcher.stopFetchingJob();
     68         return false;
     69     }
     70 }
     71