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      1 /*
      2  * Copyright (C) 2015 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.deskclock.stopwatch;
     18 
     19 import android.app.Service;
     20 import android.content.Intent;
     21 import android.os.IBinder;
     22 
     23 import com.android.deskclock.DeskClock;
     24 import com.android.deskclock.R;
     25 import com.android.deskclock.data.DataModel;
     26 import com.android.deskclock.events.Events;
     27 import com.android.deskclock.uidata.UiDataModel;
     28 
     29 import static com.android.deskclock.uidata.UiDataModel.Tab.STOPWATCH;
     30 
     31 /**
     32  * This service exists solely to allow the stopwatch notification to alter the state of the
     33  * stopwatch without disturbing the notification shade. If an activity were used instead (even one
     34  * that is not displayed) the notification manager implicitly closes the notification shade which
     35  * clashes with the use case of starting/pausing/lapping/resetting the stopwatch without
     36  * disturbing the notification shade.
     37  */
     38 public final class StopwatchService extends Service {
     39 
     40     private static final String ACTION_PREFIX = "com.android.deskclock.action.";
     41 
     42     // shows the tab with the stopwatch
     43     public static final String ACTION_SHOW_STOPWATCH = ACTION_PREFIX + "SHOW_STOPWATCH";
     44     // starts the current stopwatch
     45     public static final String ACTION_START_STOPWATCH = ACTION_PREFIX + "START_STOPWATCH";
     46     // pauses the current stopwatch that's currently running
     47     public static final String ACTION_PAUSE_STOPWATCH = ACTION_PREFIX + "PAUSE_STOPWATCH";
     48     // laps the stopwatch that's currently running
     49     public static final String ACTION_LAP_STOPWATCH = ACTION_PREFIX + "LAP_STOPWATCH";
     50     // resets the stopwatch if it's stopped
     51     public static final String ACTION_RESET_STOPWATCH = ACTION_PREFIX + "RESET_STOPWATCH";
     52 
     53     @Override
     54     public IBinder onBind(Intent intent) {
     55         return null;
     56     }
     57 
     58     @Override
     59     public int onStartCommand(Intent intent, int flags, int startId) {
     60         final String action = intent.getAction();
     61         final int label = intent.getIntExtra(Events.EXTRA_EVENT_LABEL, R.string.label_intent);
     62         switch (action) {
     63             case ACTION_SHOW_STOPWATCH: {
     64                 Events.sendStopwatchEvent(R.string.action_show, label);
     65 
     66                 // Open DeskClock positioned on the stopwatch tab.
     67                 UiDataModel.getUiDataModel().setSelectedTab(STOPWATCH);
     68                 final Intent showStopwatch = new Intent(this, DeskClock.class)
     69                         .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     70                 startActivity(showStopwatch);
     71                 break;
     72             }
     73             case ACTION_START_STOPWATCH: {
     74                 Events.sendStopwatchEvent(R.string.action_start, label);
     75                 DataModel.getDataModel().startStopwatch();
     76                 break;
     77             }
     78             case ACTION_PAUSE_STOPWATCH: {
     79                 Events.sendStopwatchEvent(R.string.action_pause, label);
     80                 DataModel.getDataModel().pauseStopwatch();
     81                 break;
     82             }
     83             case ACTION_RESET_STOPWATCH: {
     84                 Events.sendStopwatchEvent(R.string.action_reset, label);
     85                 DataModel.getDataModel().resetStopwatch();
     86                 break;
     87             }
     88             case ACTION_LAP_STOPWATCH: {
     89                 Events.sendStopwatchEvent(R.string.action_lap, label);
     90                 DataModel.getDataModel().addLap();
     91                 break;
     92             }
     93         }
     94 
     95         return START_NOT_STICKY;
     96     }
     97 }
     98