/*
* ServeStream: A HTTP stream browser/player for Android
* Copyright 2013 William Seemann
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.sourceforge.servestream.service;
import net.sourceforge.servestream.R;
import net.sourceforge.servestream.activity.MainActivity;
import net.sourceforge.servestream.activity.MediaPlayerActivity;
import net.sourceforge.servestream.provider.Media;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.support.v4.app.TaskStackBuilder;
import android.view.View;
import android.widget.RemoteViews;
/**
* Simple widget to show currently playing album art along
* with play/pause and next track buttons.
*/
public class AppWidgetOneProvider extends AppWidgetProvider {
static final String TAG = AppWidgetOneProvider.class.getName();
public static final String CMDAPPWIDGETUPDATE = "appwidgetupdate";
private static AppWidgetOneProvider sInstance;
public static synchronized AppWidgetOneProvider getInstance() {
if (sInstance == null) {
sInstance = new AppWidgetOneProvider();
}
return sInstance;
}
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
defaultAppWidget(context, appWidgetIds);
// Send broadcast intent to any running MediaPlaybackService so it can
// wrap around with an immediate update.
Intent updateIntent = new Intent(MediaPlaybackService.SERVICECMD);
updateIntent.putExtra(MediaPlaybackService.CMDNAME,
AppWidgetOneProvider.CMDAPPWIDGETUPDATE);
updateIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, appWidgetIds);
updateIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
context.sendBroadcast(updateIntent);
}
/**
* Initialize given widgets to default state, where we launch ServeStream on default click
* and hide actions if service not running.
*/
private void defaultAppWidget(Context context, int[] appWidgetIds) {
final RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.appwidget_one);
views.setViewVisibility(R.id.title, View.INVISIBLE);
views.setViewVisibility(R.id.artist, View.INVISIBLE);
linkButtons(context, views, false /* not playing */);
pushUpdate(context, appWidgetIds, views);
}
private void pushUpdate(Context context, int[] appWidgetIds, RemoteViews views) {
// Update specific list of appWidgetIds if given, otherwise default to all
final AppWidgetManager gm = AppWidgetManager.getInstance(context);
if (appWidgetIds != null) {
gm.updateAppWidget(appWidgetIds, views);
} else {
gm.updateAppWidget(new ComponentName(context, this.getClass()), views);
}
}
/**
* Check against {@link AppWidgetManager} if there are any instances of this widget.
*/
private boolean hasInstances(Context context) {
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
int[] appWidgetIds = appWidgetManager.getAppWidgetIds(
new ComponentName(context, this.getClass()));
return (appWidgetIds.length > 0);
}
/**
* Handle a change notification coming over from {@link MediaPlaybackService}
*/
public void notifyChange(MediaPlaybackService service, String what) {
if (hasInstances(service)) {
if (MediaPlaybackService.META_CHANGED.equals(what) ||
MediaPlaybackService.PLAYSTATE_CHANGED.equals(what) ||
MediaPlaybackService.PLAYER_CLOSED.equals(what)) {
performUpdate(service, null, what);
}
}
}
/**
* Update all active widget instances by pushing changes
*/
public void performUpdate(MediaPlaybackService service, int[] appWidgetIds, String what) {
final Resources res = service.getResources();
final RemoteViews views = new RemoteViews(service.getPackageName(), R.layout.appwidget_one);
if (what.equals(MediaPlaybackService.PLAYER_CLOSED)) {
defaultAppWidget(service, appWidgetIds);
} else {
CharSequence trackName = service.getTrackName();
CharSequence artistName = service.getArtistName();
//CharSequence errorState = null;
if (trackName == null || trackName.equals(Media.UNKNOWN_STRING)) {
trackName = res.getText(R.string.widget_one_track_info_unavailable);
}
if (artistName == null || artistName.equals(Media.UNKNOWN_STRING)) {
artistName = service.getMediaUri();
}
// Show media info
views.setViewVisibility(R.id.title, View.VISIBLE);
views.setTextViewText(R.id.title, trackName);
views.setViewVisibility(R.id.artist, View.VISIBLE);
views.setTextViewText(R.id.artist, artistName);
// Set correct drawable for pause state
final boolean playing = service.isPlaying();
if (playing) {
views.setImageViewResource(R.id.control_play, android.R.drawable.ic_media_pause);
} else {
views.setImageViewResource(R.id.control_play, android.R.drawable.ic_media_play);
}
BitmapFactory.Options opts = new BitmapFactory.Options();
opts.inPreferredConfig = Bitmap.Config.ARGB_8888;
Bitmap b = BitmapFactory.decodeStream(
service.getResources().openRawResource(R.drawable.albumart_mp_unknown_widget), null, opts);
views.setImageViewBitmap(R.id.coverart, b);
if (service.getAudioId() >= 0) {
views.setImageViewBitmap(R.id.coverart, service.getAlbumArt(true));
}
// Link actions buttons to intents
linkButtons(service, views, true);
pushUpdate(service, appWidgetIds, views);
}
}
/**
* Link up various button actions using {@link PendingIntents}.
*
* @param playerActive True if player is active in background, which means
* widget click will launch {@link MediaPlayerActivity},
* otherwise we launch {@link UriListActivity}.
*/
private void linkButtons(Context context, RemoteViews views, boolean playerActive) {
// Connect up various buttons and touch events
Intent intent;
PendingIntent pendingIntent;
final ComponentName serviceName = new ComponentName(context, MediaPlaybackService.class);
if (playerActive) {
TaskStackBuilder stackBuilder = TaskStackBuilder.create(context);
stackBuilder.addNextIntentWithParentStack(new Intent(context, MediaPlayerActivity.class)
.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP));
pendingIntent = stackBuilder.getPendingIntent((int) System.currentTimeMillis(), 0);
views.setOnClickPendingIntent(R.id.appwidget_two, pendingIntent);
} else {
intent = new Intent(context, MainActivity.class);
pendingIntent = PendingIntent.getActivity(context,
0 /* no requestCode */, intent, 0 /* no flags */);
views.setOnClickPendingIntent(R.id.appwidget_two, pendingIntent);
}
intent = new Intent(MediaPlaybackService.PREVIOUS_ACTION);
intent.setComponent(serviceName);
pendingIntent = PendingIntent.getService(context,
0 /* no requestCode */, intent, 0 /* no flags */);
views.setOnClickPendingIntent(R.id.control_previous, pendingIntent);
intent = new Intent(MediaPlaybackService.TOGGLEPAUSE_ACTION);
intent.setComponent(serviceName);
pendingIntent = PendingIntent.getService(context,
0 /* no requestCode */, intent, 0 /* no flags */);
views.setOnClickPendingIntent(R.id.control_play, pendingIntent);
intent = new Intent(MediaPlaybackService.NEXT_ACTION);
intent.setComponent(serviceName);
pendingIntent = PendingIntent.getService(context,
0 /* no requestCode */, intent, 0 /* no flags */);
views.setOnClickPendingIntent(R.id.control_next, pendingIntent);
}
}