src/ro/ieval/fonbot/FonBotMainService.java

   1 package ro.ieval.fonbot;
   2
   3 import static ro.ieval.fonbot.R.string.*;
   4 import static ro.ieval.fonbot.Utils.toNonNull;
   5
   6 import java.util.Collections;
   7 import java.util.EnumSet;
   8 import java.util.Set;
   9
  10 import org.eclipse.jdt.annotation.Nullable;
  11
  12 import ro.ieval.fonbot.Utils.OngoingEvent;
  13
  14 import android.app.Notification;
  15 import android.app.NotificationManager;
  16 import android.app.PendingIntent;
  17 import android.app.Service;
  18 import android.content.Intent;
  19 import android.content.IntentFilter;
  20 import android.os.IBinder;
  21 import android.preference.PreferenceManager;
  22 import android.support.v4.app.NotificationCompat;
  23 import android.support.v4.content.LocalBroadcastManager;
  24
  25 /*
  26  * Copyright © 2013 Marius Gavrilescu
  27  *
  28  * This file is part of FonBot.
  29  *
  30  * FonBot is free software: you can redistribute it and/or modify
  31  * it under the terms of the GNU General Public License as published by
  32  * the Free Software Foundation, either version 3 of the License, or
  33  * (at your option) any later version.
  34  *
  35  * FonBot is distributed in the hope that it will be useful,
  36  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  37  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  38  * GNU General Public License for more details.
  39  *
  40  * You should have received a copy of the GNU General Public License
  41  * along with FonBot.  If not, see <http://www.gnu.org/licenses/>.
  42  */
  43
  44 /**
  45  * Main service.
  46  *
  47  * @author Marius Gavrilescu
  48  */
  49 public final class FonBotMainService extends Service {
  50         /**
  51          * Binder for the service. It lets clients get a reference to the service.
  52          *
  53          * @author Marius Gavrilescu <marius@ieval.ro>
  54          */
  55         public final class Binder extends android.os.Binder{
  56                 /**
  57                  * Get a reference to the {@link FonBotMainService}
  58                  * @return a reference to the {@link FonBotMainService}
  59                  */
  60                 public FonBotMainService getService(){
  61                         return FonBotMainService.this;
  62                 }
  63         }
  64
  65         /**
  66          * Broadcast action: add an ongoing event
  67          */
  68         public static final String ACTION_PUT_ONGOING="ro.ieval.fonbot.FonBotMainService.ACTION_PUT_ONGOING";
  69         /**
  70          * Broadcast action: remove an ongoing event
  71          */
  72         public static final String ACTION_DELETE_ONGOING="ro.ieval.fonbot.FonBotMainService.ACTION_DELETE_ONGOING";
  73         /** Broadcast action: trigger a server poll */
  74         public static final String ACTION_TRIGGER_POLL="ro.ieval.fonbot.FonBotMainService.ACTION_TRIGGER_POLL";
  75         /**
  76          * Extra: ongoing event id
  77          *
  78          * @see OngoingEvent
  79          * @see #ACTION_DELETE_ONGOING
  80          * @see #ACTION_PUT_ONGOING
  81          */
  82         public static final String EXTRA_ONGOING_ID="ro.ieval.fonbot.FonBotMainService.EXTRA_ONGOING_ID";
  83         /**
  84          * Broadcast sent when the ongoing event list is updated.
  85          */
  86         public static final String ACTION_ONGOING_UPDATE="ro.ieval.fonbot.FonBotMainService.ACTION_ONGOING_UPDATE";
  87         /**
  88          * IntentFilter for events caught by the {@link DynamicEventReceiver}
  89          */
  90         private static final IntentFilter DYNAMIC_BROADCAST_FILTER=new IntentFilter();
  91
  92         static{
  93                 DYNAMIC_BROADCAST_FILTER.addAction(Intent.ACTION_SCREEN_ON);
  94                 DYNAMIC_BROADCAST_FILTER.addAction(Intent.ACTION_BATTERY_CHANGED);
  95                 DYNAMIC_BROADCAST_FILTER.addAction(Intent.ACTION_HEADSET_PLUG);
  96         }
  97
  98         /**
  99          * The one instance of {@link DynamicEventReceiver}
 100          */
 101         private final  DynamicEventReceiver receiver=new DynamicEventReceiver();
 102         /**
 103          * Set of ongoing events.
 104          */
 105         private final Set<OngoingEvent> ongoing=EnumSet.noneOf(OngoingEvent.class);
 106
 107         /** true if running in foreground, false otherwise */
 108         private boolean isForeground = false;
 109
 110         /**
 111          * Get the set of ongoing events.
 112          *
 113          * @return a set of ongoing events
 114          */
 115         public Set<OngoingEvent> getOngoingEvents(){
 116                 return toNonNull(Collections.unmodifiableSet(ongoing));
 117         }
 118
 119         @Override
 120         public @Nullable IBinder onBind(final @Nullable Intent intent) {
 121                 return new Binder();
 122         }
 123
 124         @Override
 125         public void onCreate() {
 126                 super.onCreate();
 127                 registerReceiver(receiver, DYNAMIC_BROADCAST_FILTER);
 128         }
 129
 130         @Override
 131         public void onDestroy() {
 132                 super.onDestroy();
 133                 unregisterReceiver(receiver);
 134         }
 135
 136         @Override
 137         public int onStartCommand(final @Nullable Intent intent, final int flags, final int startId) {
 138                 boolean updateNotification = false;
 139                 if(intent!=null && intent.getAction()==ACTION_PUT_ONGOING && intent.hasExtra(EXTRA_ONGOING_ID)){
 140                         ongoing.add(OngoingEvent.values()[intent.getIntExtra(EXTRA_ONGOING_ID, 0)]);
 141                         LocalBroadcastManager.getInstance(this).sendBroadcast(new Intent(ACTION_ONGOING_UPDATE));
 142                         updateNotification=true;
 143                 }
 144                 if(intent!=null && intent.getAction()==ACTION_DELETE_ONGOING && intent.hasExtra(EXTRA_ONGOING_ID)){
 145                         ongoing.remove(OngoingEvent.values()[intent.getIntExtra(EXTRA_ONGOING_ID, 0)]);
 146                         LocalBroadcastManager.getInstance(this).sendBroadcast(new Intent(ACTION_ONGOING_UPDATE));
 147                         updateNotification=true;
 148                 }
 149
 150                 if(intent!=null && intent.getAction()==ACTION_TRIGGER_POLL)
 151                         Utils.pollServer(this);
 152
 153                 final boolean runForeground=PreferenceManager.getDefaultSharedPreferences(this).getBoolean("foreground", false);
 154                 if(!runForeground)
 155                         stopForeground(true);
 156
 157                 final NotificationManager man=(NotificationManager) getSystemService(NOTIFICATION_SERVICE);
 158                 final boolean shouldNotify=runForeground||!ongoing.isEmpty();
 159                 if(shouldNotify && (updateNotification || runForeground != isForeground)){
 160                         final Intent mainIntent=new Intent(this, FonBotMainActivity.class);
 161                         mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 162                         final NotificationCompat.Builder builder=new NotificationCompat.Builder(this).
 163                                         setContentText(getString(foreground_notification_text)).
 164                                         setContentTitle(getString(foreground_notification_title)).
 165                                         setSmallIcon(android.R.drawable.stat_notify_sync_noanim).
 166                                         setPriority(NotificationCompat.PRIORITY_MIN).
 167                                         setContentIntent(PendingIntent.getActivity(this, 0, mainIntent, 0)).
 168                                         setOngoing(true);
 169
 170                         if(!ongoing.isEmpty()) {
 171                                 final NotificationCompat.InboxStyle inboxBuilder=new NotificationCompat.InboxStyle(builder);
 172
 173                                 for(final OngoingEvent event : ongoing)
 174                                         inboxBuilder.addLine(getString(event.resource));
 175
 176                         }
 177                         final Notification notification=builder.build();
 178
 179                         if(runForeground)
 180                                 startForeground(1337, notification);
 181                         else
 182                                 man.notify(1337, notification);
 183                 }
 184
 185                 if(!shouldNotify)
 186                         man.cancel(1337);
 187                 isForeground=runForeground;
 188                 return START_STICKY;
 189         }
 190 }