android/src/org/rockbox/widgets/RockboxWidgetProvider.java

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2011 Antoine Cellerier <dionoea at videolan dot org>
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 package org.rockbox.widgets;
  23
  24 import java.io.File;
  25 import org.rockbox.R;
  26 import org.rockbox.RockboxActivity;
  27 import org.rockbox.RockboxService;
  28 import android.app.PendingIntent;
  29 import android.appwidget.AppWidgetManager;
  30 import android.appwidget.AppWidgetProvider;
  31 import android.appwidget.AppWidgetProviderInfo;
  32 import android.content.ComponentName;
  33 import android.content.Context;
  34 import android.content.Intent;
  35 import android.net.Uri;
  36 import android.view.KeyEvent;
  37 import android.view.View;
  38 import android.widget.RemoteViews;
  39
  40 public class RockboxWidgetProvider extends AppWidgetProvider
  41 {
  42     static RockboxWidgetProvider mInstance;
  43     public RockboxWidgetProvider()
  44     {
  45         super();
  46         mInstance = this;
  47     }
  48
  49     @Override
  50     public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds)
  51     {
  52         final int N = appWidgetIds.length;
  53         for (int i = 0; i < N; i++)
  54         {
  55             int appWidgetId = appWidgetIds[i];
  56             updateAppWidget(context, appWidgetManager, appWidgetId, null);
  57
  58         }
  59     }
  60
  61     public static RockboxWidgetProvider getInstance()
  62     {
  63         /* no new instance here, instanced by android */
  64         return mInstance;
  65     }
  66
  67     @Override
  68     public void onDeleted(Context context, int[] appWidgetIds)
  69     {
  70     }
  71
  72     @Override
  73     public void onEnabled(Context context)
  74     {
  75     }
  76
  77     @Override
  78     public void onDisabled(Context context)
  79     {
  80     }
  81
  82     @Override
  83     public void onReceive(Context context, Intent intent)
  84     {
  85         String action = intent.getAction();
  86         if (action.equals("org.rockbox.TrackUpdateInfo") ||
  87             action.equals("org.rockbox.TrackFinish") ||
  88             action.equals("org.rockbox.UpdateState"))
  89         {
  90             AppWidgetManager gm = AppWidgetManager.getInstance(context);
  91             int[] appWidgetIds = gm.getAppWidgetIds(new ComponentName(context, this.getClass()));
  92             final int N = appWidgetIds.length;
  93             for (int i = 0; i < N; i++)
  94             {
  95                 updateAppWidget(context, gm, appWidgetIds[i], intent);
  96             }
  97         }
  98         else
  99         {
 100             super.onReceive(context, intent);
 101         }
 102     }
 103
 104      public void updateAppWidget(Context context, AppWidgetManager appWidgetManager, int appWidgetId, Intent args)
 105      {
 106         AppWidgetProviderInfo provider = appWidgetManager.getAppWidgetInfo(appWidgetId);
 107         RemoteViews views = null;
 108         views = new RemoteViews(context.getPackageName(), provider.initialLayout);
 109
 110         Intent intent = new Intent(context, RockboxActivity.class);
 111         PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0);
 112         views.setOnClickPendingIntent(R.id.infoDisplay, pendingIntent);
 113         views.setOnClickPendingIntent(R.id.logo, pendingIntent);
 114
 115         RockboxWidgetConfigure.WidgetPref state = RockboxWidgetConfigure.loadWidgetPref(context, appWidgetId);
 116
 117         /* enable/disable PREV */
 118         if (state.enablePrev)
 119         {
 120             views.setOnClickPendingIntent(R.id.prev,
 121                                           newPendingIntent(context,
 122                                             KeyEvent.KEYCODE_MEDIA_PREVIOUS));
 123         }
 124         else
 125             views.setViewVisibility(R.id.prev, View.GONE);
 126
 127         /* enable/disable PLAY/PAUSE */
 128         if (state.enablePlayPause)
 129         {
 130             views.setOnClickPendingIntent(R.id.playPause,
 131                                           newPendingIntent(context,
 132                                             KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE));
 133         }
 134         else
 135             views.setViewVisibility(R.id.playPause, View.GONE);
 136
 137         /* enable/disable NEXT */
 138         if (state.enableNext)
 139         {
 140             views.setOnClickPendingIntent(R.id.next,
 141                                           newPendingIntent(context,
 142                                             KeyEvent.KEYCODE_MEDIA_NEXT));
 143         }
 144         else
 145             views.setViewVisibility(R.id.next, View.GONE);
 146
 147         /* enable/disable STOP */
 148         if (state.enableStop)
 149         {
 150             views.setOnClickPendingIntent(R.id.stop,
 151                                           newPendingIntent(context,
 152                                             KeyEvent.KEYCODE_MEDIA_STOP));
 153         }
 154         else
 155             views.setViewVisibility(R.id.stop, View.GONE);
 156
 157         if (!state.enableAA)
 158             views.setViewVisibility(R.id.logo, View.GONE);
 159
 160         if (args != null)
 161         {
 162             if (args.getAction().equals("org.rockbox.TrackUpdateInfo"))
 163             {
 164                 CharSequence title = args.getCharSequenceExtra("title");
 165                 CharSequence artist = args.getCharSequenceExtra("artist");
 166                 CharSequence album = args.getCharSequenceExtra("album");
 167                 views.setTextViewText(R.id.infoDisplay, title+"\n"+artist+"\n"+album);
 168                 CharSequence albumart = args.getCharSequenceExtra("albumart");
 169                 /* Uri.fromFile() is buggy in <2.2
 170                  * http://stackoverflow.com/questions/3004713/get-content-uri-from-file-path-in-android */
 171                 if (albumart != null)
 172                     views.setImageViewUri(R.id.logo, Uri.parse(
 173                                     new File(albumart.toString()).toString()));
 174                 else
 175                     views.setImageViewResource(R.id.logo, R.drawable.rockbox);
 176             }
 177             else if (args.getAction().equals("org.rockbox.TrackFinish"))
 178             {
 179                 // FIXME: looks like this event is always fired earlier than
 180                 // the actual track change (a few seconds)
 181                 views.setTextViewText(R.id.infoDisplay, context.getString(R.string.appwidget_infoDisplay));
 182                 views.setImageViewResource(R.id.logo, R.drawable.rockbox);
 183             }
 184             else if (args.getAction().equals("org.rockbox.UpdateState"))
 185             {
 186                 CharSequence playstate = args.getCharSequenceExtra("state");
 187                 if (playstate.equals("play"))
 188                     views.setImageViewResource(R.id.playPause, R.drawable.appwidget_pause);
 189                 else /* pause or stop */
 190                     views.setImageViewResource(R.id.playPause, R.drawable.appwidget_play);
 191             }
 192         }
 193
 194         appWidgetManager.updateAppWidget(appWidgetId, views);
 195     }
 196
 197     public static PendingIntent newPendingIntent(Context context, int keycode)
 198     {
 199         /* Use keycode as request to code to prevent successive
 200          * PendingIntents  from overwritting one another.
 201          * This seems hackish but at least it works.
 202          * see: http://code.google.com/p/android/issues/detail?id=863
 203          */
 204         Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON, Uri.EMPTY,
 205                                    context, RockboxService.class);
 206         intent.putExtra(Intent.EXTRA_KEY_EVENT,
 207                         new KeyEvent(KeyEvent.ACTION_UP, keycode));
 208         return PendingIntent.getService(context, keycode, intent, 0);
 209     }
 210 }
 211