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PodcastPlayerService.java
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PodcastPlayerService.java
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/*
* Copyright (c) 2014.
* Main Method Incorporated.
*/
package com.mainmethod.premofm.service;
import android.app.Service;
import android.appwidget.AppWidgetManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.media.AudioManager;
import android.media.MediaMetadata;
import android.media.session.MediaSession;
import android.media.session.PlaybackState;
import android.net.wifi.WifiManager;
import android.os.AsyncTask;
import android.os.Binder;
import android.os.Bundle;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.support.v4.content.LocalBroadcastManager;
import android.widget.RemoteViews;
import com.google.android.gms.cast.CastDevice;
import com.mainmethod.premofm.R;
import com.mainmethod.premofm.data.model.EpisodeModel;
import com.mainmethod.premofm.data.model.PlaylistModel;
import com.mainmethod.premofm.helper.AppPrefHelper;
import com.mainmethod.premofm.helper.BroadcastHelper;
import com.mainmethod.premofm.helper.ImageLoadHelper;
import com.mainmethod.premofm.helper.MediaHelper;
import com.mainmethod.premofm.helper.PendingIntentHelper;
import com.mainmethod.premofm.helper.PlaybackButtonHelper;
import com.mainmethod.premofm.helper.SleepTimerHelper;
import com.mainmethod.premofm.helper.UserPrefHelper;
import com.mainmethod.premofm.media.CastMediaPlayer;
import com.mainmethod.premofm.media.LocalMediaPlayer;
import com.mainmethod.premofm.media.MediaNotificationManager;
import com.mainmethod.premofm.media.MediaPlayer;
import com.mainmethod.premofm.media.MediaPlayerState;
import com.mainmethod.premofm.media.ProgressUpdateListener;
import com.mainmethod.premofm.object.DownloadStatus;
import com.mainmethod.premofm.object.Episode;
import com.mainmethod.premofm.object.EpisodeStatus;
import com.mainmethod.premofm.object.Playlist;
import com.mainmethod.premofm.ui.view.RoundedCornersTransformation;
import com.mainmethod.premofm.ui.widget.WidgetProvider;
import org.parceler.Parcels;
import timber.log.Timber;
/**
* Plays podcasts in the background
* Created by evan on 12/17/14.
*/
public class PodcastPlayerService extends Service implements AudioManager.OnAudioFocusChangeListener,
MediaPlayer.PremoMediaPlayerListener, ProgressUpdateListener {
private static final int MS_TO_REVERSE_ON_PAUSE = 0;
private static final float AUDIO_DUCK = 0.8f;
private static final long MEDIA_SESSION_ACTIONS =
PlaybackState.ACTION_FAST_FORWARD |
PlaybackState.ACTION_REWIND |
PlaybackState.ACTION_SEEK_TO |
PlaybackState.ACTION_SKIP_TO_NEXT |
PlaybackState.ACTION_SKIP_TO_PREVIOUS;
public static final String ACTION_PLAY_QUEUE = "com.mainmethod.premofm.playQueue";
public static final String ACTION_PLAY_EPISODE = "com.mainmethod.premofm.playNew";
public static final String ACTION_PLAY_PLAYLIST = "com.mainmethod.premofm.playPlaylist";
public static final String ACTION_RESUME_PLAYBACK = "com.mainmethod.premofm.play";
public static final String ACTION_PAUSE = "com.mainmethod.premofm.pause";
public static final String ACTION_SEEK_FORWARD = "com.mainmethod.premofm.seekForward";
public static final String ACTION_SEEK_BACKWARD = "com.mainmethod.premofm.seekBackward";
public static final String ACTION_SEEK_TO = "com.mainmethod.premofm.seekTo";
public static final String ACTION_STOP_SERVICE = "com.mainmethod.premofm.stopService";
public static final String ACTION_UPDATE_WIDGET = "com.mainmethod.premofm.updateWidget";
public static final String ACTION_SLEEP_TIMER = "com.mainmethod.premofm.sleepTimer";
public static final String ACTION_START_CAST = "com.mainmethod.premofm.startCast";
public static final String ACTION_END_CAST = "com.mainmethod.premofm.endCast";
public static final String ACTION_SET_SPEED = "com.mainmethod.premofm.setPlaybackSpeed";
public static final String PARAM_PLAYLIST = "playlist";
public static final String PARAM_EPISODE_ID = "episodeId";
public static final String PARAM_SEEK_MS = "seekMs";
public static final String PARAM_CAST_DEVICE = "castDevice";
public static final String PARAM_PLAYBACK_SPEED = "playbackSpeed";
// media related objects
private MediaPlayer mMediaPlayer;
private MediaSession mMediaSession;
private AudioManager mAudioManager;
private WifiManager.WifiLock mWifiLock;
private MediaNotificationManager mMediaNotificationManager;
private PlaybackState mPlaybackState;
private int mMediaPlayerState;
private Episode mCurrentEpisode;
private UpdateEpisodeProgressTask mUpdateTask;
private boolean mPlayingBeforeFocusChange;
private boolean mReceiverRegistered;
private int mStreamVolume = -1;
private boolean mServiceBound = false;
private HeadsetReceiver mHeadsetReceiver;
private EpisodeDownloadedReceiver mEpisodeDownloadedReceiver;
// This is the object that receives interactions from clients. See
// RemoteService for a more complete example.
private final IBinder mBinder = new ServiceBinder();
/**
* Class for clients to access. Because we know this service always runs in
* the same process as its clients, we don't need to deal with IPC.
*/
public class ServiceBinder extends Binder {
public PodcastPlayerService getService() {
return PodcastPlayerService.this;
}
}
/******************************
* Service lifecycle methods
******************************/
@Override
public void onCreate() {
super.onCreate();
mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
mMediaNotificationManager = new MediaNotificationManager(this);
mMediaPlayerState = MediaPlayerState.STATE_IDLE;
// set default playback state
mPlaybackState = new PlaybackState.Builder()
.setState(PlaybackState.STATE_NONE, 0, 1.0f)
.build();
// setup our media session
mMediaSession = new MediaSession(this, PodcastPlayerService.class.getSimpleName());
mMediaSession.setMediaButtonReceiver(PendingIntentHelper.getMediaButtonReceiverIntent(this));
mMediaSession.setCallback(new MediaSessionCallback());
mMediaSession.setFlags(MediaSession.FLAG_HANDLES_MEDIA_BUTTONS |
MediaSession.FLAG_HANDLES_TRANSPORT_CONTROLS);
mMediaSession.setActive(true);
mMediaSession.setPlaybackState(mPlaybackState);
// set up our broadcast receiver for receiving headset and button events
mHeadsetReceiver = new HeadsetReceiver();
mWifiLock = ((WifiManager) getSystemService(Context.WIFI_SERVICE))
.createWifiLock(WifiManager.WIFI_MODE_FULL, "uAmp_lock");
mEpisodeDownloadedReceiver = new EpisodeDownloadedReceiver();
LocalBroadcastManager.getInstance(this).registerReceiver(mEpisodeDownloadedReceiver,
new IntentFilter(BroadcastHelper.INTENT_EPISODE_DOWNLOADED));
}
@Override
public void onDestroy() {
Timber.d("Destroying media player object");
destroyMediaPlayer();
mMediaNotificationManager.stopNotification();
mMediaSession.release();
releaseWifiLock();
LocalBroadcastManager.getInstance(this).unregisterReceiver(mEpisodeDownloadedReceiver);
super.onDestroy();
}
/*
* (non-Javadoc)
*
* @see android.app.Service#onStartCommand(android.content.Intent, int, int)
*/
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (intent != null && intent.getAction() != null) {
String action = intent.getAction();
Timber.d("OnStartCommand intent action: %s", action);
switch (action) {
case ACTION_PLAY_QUEUE:
playNextEpisode();
break;
case ACTION_PLAY_EPISODE:
int episodeId = intent.getIntExtra(PARAM_EPISODE_ID, -1);
if (episodeId != -1) {
play(episodeId);
}
break;
case ACTION_PLAY_PLAYLIST:
Playlist playlist = Parcels.unwrap(intent.getParcelableExtra(PARAM_PLAYLIST));
Episode episode = EpisodeModel.getEpisodeByGeneratedId(this,
playlist.getCurrentEpisodeServerId());
PlaylistModel.savePlaylist(this, playlist);
play(episode, true);
break;
case ACTION_RESUME_PLAYBACK:
if (mMediaPlayerState != MediaPlayerState.STATE_PLAYING) {
play(-1);
}
break;
case ACTION_PAUSE:
pause();
break;
case ACTION_SEEK_FORWARD:
seekForward();
break;
case ACTION_SEEK_BACKWARD:
seekBackward();
break;
case ACTION_SEEK_TO:
int seekMs = intent.getIntExtra(PARAM_SEEK_MS, 30);
seekTo(seekMs);
break;
case ACTION_STOP_SERVICE:
endPlayback(true);
if (!mServiceBound) {
stopSelf();
}
break;
case ACTION_UPDATE_WIDGET:
if (mMediaPlayerState == MediaPlayerState.STATE_PLAYING ||
mMediaPlayerState == MediaPlayerState.STATE_PAUSED) {
updateWidget();
}
break;
case ACTION_SLEEP_TIMER:
// stop the media player
stopPlayback();
// clear the timer value
AppPrefHelper.getInstance(this).removeSleepTimer();
stopSelf();
break;
case ACTION_START_CAST:
int beforeState = mMediaPlayerState;
destroyMediaPlayer();
CastDevice castDevice = intent.getParcelableExtra(PARAM_CAST_DEVICE);
mMediaPlayer = new CastMediaPlayer(this, this, this, castDevice);
if (beforeState == MediaPlayerState.STATE_PLAYING || beforeState == MediaPlayerState.STATE_PAUSED) {
Timber.d("Restarting episode playback");
play(mCurrentEpisode, beforeState == MediaPlayerState.STATE_PLAYING);
}
break;
case ACTION_END_CAST:
destroyMediaPlayer();
break;
case ACTION_SET_SPEED:
float speed = intent.getFloatExtra(PARAM_PLAYBACK_SPEED, MediaHelper.DEFAULT_PLAYBACK_SPEED);
changePlaybackSpeed(speed);
break;
}
}
return START_NOT_STICKY;
}
private void destroyMediaPlayer() {
if (mMediaPlayer == null) {
return;
}
endUpdateTask();
endPlayback(true);
mMediaPlayerState = MediaPlayerState.STATE_IDLE;
updatePlaybackState(mMediaPlayerState);
mMediaPlayer.tearDown();
mMediaPlayer = null;
}
/******************************
* WifiLock Functions
******************************/
private void acquireWifiLock() {
if (mWifiLock != null && !mWifiLock.isHeld() && mMediaPlayer.isStreaming()) {
mWifiLock.acquire();
}
}
private void releaseWifiLock() {
if (mWifiLock != null && mWifiLock.isHeld()) {
mWifiLock.release();
}
}
/******************************
* Audio Focus functions
******************************/
@Override
public void onAudioFocusChange(int focusChange) {
Timber.d("AudioFocusChange, result code: %d", focusChange);
boolean pauseOnNotification = UserPrefHelper.get(this).getBoolean(
R.string.pref_key_pause_playback_during_notification);
switch (focusChange) {
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK:
if (pauseOnNotification) {
// record the playing before focus change value
mPlayingBeforeFocusChange = getPlaybackState() == MediaPlayerState.STATE_PLAYING;
pause();
} else {
mStreamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC,
(int) (mStreamVolume * AUDIO_DUCK), 0);
}
break;
case AudioManager.AUDIOFOCUS_LOSS:
case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT:
// record the playing before focus change value
mPlayingBeforeFocusChange = mMediaPlayerState == MediaPlayerState.STATE_PLAYING;
pause();
break;
case AudioManager.AUDIOFOCUS_GAIN:
if (mStreamVolume > -1) {
mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, mStreamVolume, 0);
mStreamVolume = -1;
}
// gained focus, start playback if we were playing before the focus change
if (mPlayingBeforeFocusChange && pauseOnNotification) {
mPlayingBeforeFocusChange = false;
play(null, true);
}
break;
}
}
public MediaSession.Token getMediaSessionToken() {
return mMediaSession.getSessionToken();
}
/******************************
* Service bind functions
******************************/
private void registerReceivers() {
if (!mReceiverRegistered) {
registerReceiver(mHeadsetReceiver, new IntentFilter(Intent.ACTION_HEADSET_PLUG));
registerReceiver(mHeadsetReceiver, new IntentFilter(
AudioManager.ACTION_AUDIO_BECOMING_NOISY));
mReceiverRegistered = true;
}
}
private void unregisterReceivers() {
if (mReceiverRegistered) {
unregisterReceiver(mHeadsetReceiver);
mReceiverRegistered = false;
}
}
/******************************
* Service bind functions
******************************/
@Override
public boolean onUnbind(Intent intent) {
Timber.d("Unbinded from service");
if (mMediaPlayerState == MediaPlayerState.STATE_IDLE && !(mMediaPlayer instanceof CastMediaPlayer)) {
stopSelf();
}
mServiceBound = false;
return super.onUnbind(intent);
}
@Override
public IBinder onBind(Intent intent) {
Timber.d("Binded to service");
mServiceBound = true;
return mBinder;
}
/******************************
* MediaPlayer interface callbacks
******************************/
@Override
public void onProgressUpdate(long progress, long bufferedProgress, long left) {
BroadcastHelper.broadcastProgressUpdate(this, progress, bufferedProgress, left);
}
@Override
public void onStateChanged(int state) {
updatePlaybackState(state);
mMediaPlayerState = state;
switch (state) {
case MediaPlayerState.STATE_CONNECTING:
break;
case MediaPlayerState.STATE_ENDED:
endUpdateTask();
endPlayback(true);
finishEpisode();
playNextEpisode();
break;
case MediaPlayerState.STATE_IDLE:
updateEpisode(state);
endUpdateTask();
break;
case MediaPlayerState.STATE_PLAYING:
updateEpisode(state);
startNotificationUpdate();
startUpdateTask();
break;
case MediaPlayerState.STATE_PAUSED:
endUpdateTask();
updateEpisode(state);
startNotificationUpdate();
break;
}
updateWidget();
String serverId = mCurrentEpisode != null ? mCurrentEpisode.getGeneratedId() : "";
BroadcastHelper.broadcastPlayerStateChange(this, mMediaPlayerState, serverId);
}
private void updatePlaybackState(int stateVal) {
// get current position
long currentPosition = mMediaPlayer.getCurrentPosition();
int playbackState;
long actions = MEDIA_SESSION_ACTIONS;
switch (stateVal) {
case MediaPlayerState.STATE_CONNECTING:
playbackState = PlaybackState.STATE_CONNECTING;
actions |= PlaybackState.ACTION_PAUSE;
break;
case MediaPlayerState.STATE_IDLE:
playbackState = PlaybackState.STATE_NONE;
actions |= PlaybackState.ACTION_PLAY;
break;
case MediaPlayerState.STATE_ENDED:
playbackState = PlaybackState.STATE_STOPPED;
actions |= PlaybackState.ACTION_PLAY;
break;
case MediaPlayerState.STATE_PAUSED:
playbackState = PlaybackState.STATE_PAUSED;
actions |= PlaybackState.ACTION_PLAY;
break;
case MediaPlayerState.STATE_PLAYING:
playbackState = PlaybackState.STATE_PLAYING;
actions |= PlaybackState.ACTION_PAUSE;
break;
default:
playbackState = PlaybackState.STATE_NONE;
actions |= PlaybackState.ACTION_PLAY;
break;
}
// create new playback state and add it to the media session
mPlaybackState = new PlaybackState.Builder()
.setState(playbackState, currentPosition, 1.0f)
.setActions(actions)
.build();
// update current episode
Bundle extras = new Bundle();
if (mCurrentEpisode != null) {
extras.putInt(PARAM_EPISODE_ID, mCurrentEpisode.getId());
}
// add new properties to the media session
mMediaSession.setPlaybackState(mPlaybackState);
mMediaSession.setExtras(extras);
}
/******************************
* Playlist Management
******************************/
private void playNextEpisode() {
Playlist playlist = PlaylistModel.getPlaylist(this);
if (playlist.next()) {
PlaylistModel.savePlaylist(this, playlist);
Episode episode = EpisodeModel.getEpisodeByGeneratedId(this,
playlist.getCurrentEpisodeServerId());
play(episode, true);
} else {
// no more episodes to play, end any possible sleep timers/alarms
SleepTimerHelper.cancelTimer(this);
}
}
/******************************
* Media Player controls
******************************/
private void startPlayback(Episode episode, boolean playImmediately) {
// request audio focus
int result = mAudioManager.requestAudioFocus(this, AudioManager.STREAM_MUSIC,
AudioManager.AUDIOFOCUS_GAIN);
if (result == AudioManager.AUDIOFOCUS_REQUEST_GRANTED) {
mCurrentEpisode = episode;
registerReceivers();
acquireWifiLock();
mMediaPlayer.loadEpisode(new Episode(mCurrentEpisode));
mMediaPlayer.startPlayback(playImmediately);
mMediaPlayer.setPlaybackSpeed(
AppPrefHelper.getInstance(this).getPlaybackSpeed(
mCurrentEpisode.getChannelGeneratedId()));
} else {
Timber.d("Audiofocus not granted, result code: %d", result);
}
}
private void stopPlayback() {
mMediaPlayer.stopPlayback();
}
private void pausePlayback() {
mMediaPlayer.pausePlayback();
}
private void endPlayback(boolean cancelNotification) {
updateEpisode(MediaPlayerState.STATE_IDLE);
unregisterReceivers();
if (cancelNotification) {
mMediaNotificationManager.stopNotification();
}
mAudioManager.abandonAudioFocus(this);
releaseWifiLock();
}
private void finishEpisode() {
// mark the episode as finished
AppPrefHelper.getInstance(this).removeLastPlayedEpisodeId();
EpisodeModel.markEpisodeCompleted(this, mCurrentEpisode.getId(),
mCurrentEpisode.getDownloadStatus() == DownloadStatus.DOWNLOADED);
// clear the episode
mCurrentEpisode = null;
}
private void seekPlayerTo(long seekTo) {
long currentPosition = mMediaPlayer.getCurrentPosition();
if (seekTo < 0) {
seekTo = 0;
} else if (seekTo > mMediaPlayer.getDuration()) {
seekTo = mMediaPlayer.getDuration();
}
Timber.d("Current position: %d", currentPosition);
Timber.d("Seek To: %s", seekTo);
mMediaPlayer.seekTo(seekTo);
}
private void seekPlayerBy(long msec) {
long currentPosition = mMediaPlayer.getCurrentPosition();
long duration = mMediaPlayer.getDuration();
long seekTo = currentPosition + msec;
if (seekTo < 0) {
seekTo = 0;
} else if (seekTo > duration) {
seekTo = duration;
}
Timber.d("Current position: %d", currentPosition);
Timber.d("Seek To: %s", seekTo);
mMediaPlayer.seekTo(seekTo);
}
/******************************
* Episode updates
******************************/
private void updateEpisode(int state) {
Timber.d("Updating episode, state: %d", state);
if (mMediaPlayer == null || mCurrentEpisode == null || mCurrentEpisode.getId() == -1) {
return;
}
switch (state) {
case MediaPlayerState.STATE_PLAYING:
// mark episode as playing in DB
mCurrentEpisode.setEpisodeStatus(EpisodeStatus.IN_PROGRESS);
break;
case MediaPlayerState.STATE_PAUSED:
case MediaPlayerState.STATE_IDLE:
mCurrentEpisode.setEpisodeStatus(EpisodeStatus.PLAYED);
mCurrentEpisode.setProgress(mMediaPlayer.getCurrentPosition() - MS_TO_REVERSE_ON_PAUSE);
break;
default:
throw new IllegalArgumentException(
"Incorrect state for showing play pause notification");
}
AppPrefHelper appPrefHelper = AppPrefHelper.getInstance(this);
appPrefHelper.setLastPlayedEpisodeId(mCurrentEpisode.getId());
Bundle params = new Bundle();
params.putLong(EpisodeModel.PARAM_EPISODE_PROGRESS, mCurrentEpisode.getProgress());
params.putInt(EpisodeModel.PARAM_EPISODE_STATUS, mCurrentEpisode.getEpisodeStatus());
EpisodeModel.updateEpisodeAsync(this, mCurrentEpisode.getId(), params);
}
/******************************
* Getters
******************************/
/**
* Returns true if the media player is streaming audio over the net
* @return true if media player is streaming over the network
*/
@SuppressWarnings("unused")
public boolean isStreaming() {
return mMediaPlayer != null && mMediaPlayer.isStreaming();
}
/**
* Returns the progress of the player
* @return progress
*/
private long getProgress() {
long progress = -1;
if (mMediaPlayer == null) {
return progress;
}
switch (mMediaPlayerState) {
case MediaPlayerState.STATE_PLAYING:
case MediaPlayerState.STATE_PAUSED:
progress = mMediaPlayer.getCurrentPosition();
break;
}
return progress;
}
/**
* Returns the length of the track
* @return length of current track
*/
private long getDuration() {
long duration = -1;
if (mMediaPlayer == null) {
return duration;
}
switch (mMediaPlayerState) {
case MediaPlayerState.STATE_PLAYING:
case MediaPlayerState.STATE_PAUSED:
duration = mMediaPlayer.getDuration();
break;
}
return duration;
}
/**
* Returns the time remaining
* @return duration left
*/
private long getDurationLeft() {
long timeLeft = -1;
if (mMediaPlayer == null) {
return timeLeft;
}
switch (mMediaPlayerState) {
case MediaPlayerState.STATE_PLAYING:
case MediaPlayerState.STATE_PAUSED:
long duration = getDuration();
long progress = getProgress();
timeLeft = duration - progress;
break;
}
return timeLeft;
}
public int getPlaybackState() {
return mPlaybackState.getState();
}
/******************************
* Functions for media player control
******************************/
/**
* Plays an episode
* Will resume from pause if state is paused, loads from scratch otherwise
* @param episodeId id of the episode to play
*/
private void play(int episodeId) {
Episode episode = null;
// load the episode at episode id
if (episodeId != -1) {
episode = EpisodeModel.getEpisodeById(this, episodeId);
// create a playlist and add this episode to it
Playlist playlist = new Playlist();
playlist.addToBeginning(episode.getGeneratedId());
PlaylistModel.savePlaylist(this, playlist);
}
// if we aren't playing an episode
if (episode == null && mCurrentEpisode == null &&
AppPrefHelper.getInstance(this).getLastPlayedEpisodeId() != -1) {
episode = EpisodeModel.getEpisodeById(this,
AppPrefHelper.getInstance(this).getLastPlayedEpisodeId());
}
play(episode, true);
}
/**
* Plays an episode
* Will resume from pause if episode is null and we are paused
* @param episode to play
*/
private void play(Episode episode, boolean playImmediately) {
Timber.d("Play called");
if (mMediaPlayer == null) {
mMediaPlayer = new LocalMediaPlayer(this, this, this);
}
switch (mMediaPlayerState) {
case MediaPlayerState.STATE_CONNECTING:
case MediaPlayerState.STATE_PLAYING:
case MediaPlayerState.STATE_PAUSED:
// playing an episode, true if the episode to play is a different one
if (episode != null) {
endUpdateTask();
endPlayback(false);
startPlayback(episode, playImmediately);
} else if (mMediaPlayerState == MediaPlayerState.STATE_PAUSED) {
mMediaPlayer.resumePlayback();
} else {
Timber.w("Player is playing, episode cannot be null");
}
break;
case MediaPlayerState.STATE_ENDED:
case MediaPlayerState.STATE_IDLE:
// stopped or uninitialized, so we need to start from scratch
if (episode != null) {
startPlayback(episode, playImmediately);
} else {
Timber.w("Player is stopped/uninitialized, episode cannot be null");
}
break;
default:
Timber.w("Trying to play an episode, but player is in state: %s", mPlaybackState);
break;
}
}
/**
* Will pause the player if it's playing
*/
private void pause() {
switch (mMediaPlayerState) {
case MediaPlayerState.STATE_PLAYING:
// we paused, resume playing state
pausePlayback();
break;
default:
Timber.w("Trying to pause an episode, but player is in state: %s", mPlaybackState);
break;
}
}
/**
* Seek forward by the user's preferred amount
*/
private void seekForward() {
switch (mMediaPlayerState) {
case MediaPlayerState.STATE_PAUSED:
case MediaPlayerState.STATE_PLAYING:
long seekTo = Long.parseLong(PreferenceManager.getDefaultSharedPreferences(this)
.getString(getString(R.string.pref_key_skip_forward), "30")) * 1000;
seekPlayerBy(seekTo);
break;
default:
Timber.w("Trying to play an episode, but player is in state: %s", mPlaybackState);
break;
}
}
/**
* Seek forward by the user's preferred amount
*/
private void seekBackward() {
switch (mMediaPlayerState) {
case MediaPlayerState.STATE_PAUSED:
case MediaPlayerState.STATE_PLAYING:
long seekTo = Long.parseLong(PreferenceManager.getDefaultSharedPreferences(this)
.getString(getString(R.string.pref_key_skip_backward), "30")) * 1000;
seekPlayerBy(-seekTo);
break;
default:
Timber.w("Trying to play an episode, but player is in state: %s", mPlaybackState);
break;
}
}
private void seekTo(long seekTo) {
switch (mMediaPlayerState) {
case MediaPlayerState.STATE_PAUSED:
case MediaPlayerState.STATE_PLAYING:
seekPlayerTo(seekTo);
break;
default:
Timber.w("Trying to play an episode, but player is in state: %s", mPlaybackState);
break;
}
}
private void changePlaybackSpeed(float speed) {
switch (mMediaPlayerState) {
case MediaPlayerState.STATE_PAUSED:
case MediaPlayerState.STATE_PLAYING:
mMediaPlayer.setPlaybackSpeed(speed);
onStateChanged(mMediaPlayerState);
break;
}
}
/******************************
* Widget update related functions
******************************/
private void updateWidget() {
RemoteViews remoteViews = WidgetProvider.configureWidgetIntents(this, mCurrentEpisode);
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(this);
ComponentName thisWidget = new ComponentName(getApplicationContext(), WidgetProvider.class);
int playPauseResId = PlaybackButtonHelper.getWidgetPlaybackButtonResId(getPlaybackState());
int[] allWidgetIds = appWidgetManager.getAppWidgetIds(thisWidget);
if (allWidgetIds == null || allWidgetIds.length == 0) {
return;
}
if (mCurrentEpisode == null) {
remoteViews.setTextViewText(R.id.episode_title, "");
remoteViews.setTextViewText(R.id.channel_title, "");
remoteViews.setImageViewResource(R.id.play, playPauseResId);
remoteViews.setImageViewResource(R.id.channel_art, R.drawable.default_channel_art);
} else {
ImageLoadHelper.loadImageIntoWidget(this, mCurrentEpisode.getChannelArtworkUrl(), remoteViews,
R.id.channel_art, allWidgetIds, new RoundedCornersTransformation(this));
remoteViews.setOnClickPendingIntent(R.id.play, PendingIntentHelper.getPlayOrPauseIntent(this, getPlaybackState()));
remoteViews.setTextViewText(R.id.episode_title, mCurrentEpisode.getTitle());
remoteViews.setTextViewText(R.id.channel_title, mCurrentEpisode.getChannelTitle());
remoteViews.setImageViewResource(R.id.play, playPauseResId);
}
for (int widgetId : allWidgetIds) {
// assign the pending intent to our remote views
appWidgetManager.updateAppWidget(widgetId, remoteViews);
}
}
/******************************
* Helper functions
******************************/
public static void playPlaylist(Context context, Playlist playlist) {
Intent intent = new Intent(context, PodcastPlayerService.class);
intent.setAction(PodcastPlayerService.ACTION_PLAY_PLAYLIST);
intent.putExtra(PARAM_PLAYLIST, Parcels.wrap(playlist));
context.startService(intent);
}
public static void startCast(Context context, CastDevice castDevice) {
Intent intent = new Intent(context, PodcastPlayerService.class);
intent.setAction(PodcastPlayerService.ACTION_START_CAST);
intent.putExtra(PARAM_CAST_DEVICE, castDevice);
context.startService(intent);
}
public static void endCast(Context context) {
Intent intent = new Intent(context, PodcastPlayerService.class);
intent.setAction(PodcastPlayerService.ACTION_END_CAST);
context.startService(intent);
}
public static void changePlaybackSpeed(Context context, float speed) {
Intent intent = new Intent(context, PodcastPlayerService.class);
intent.setAction(ACTION_SET_SPEED);
intent.putExtra(PARAM_PLAYBACK_SPEED, speed);
context.startService(intent);
}
public static void sendIntent(Context context, String action, int episodeId) {
Intent intent = new Intent(context, PodcastPlayerService.class);
intent.setAction(action);
if (episodeId != -1) {
intent.putExtra(PARAM_EPISODE_ID, episodeId);
}
context.startService(intent);
}
private final class MediaSessionCallback extends MediaSession.Callback {
@Override
public void onPlayFromSearch(String query, Bundle extras) {
int episodeId = extras.getInt(PARAM_EPISODE_ID, -1);
if (episodeId != -1) {
play(EpisodeModel.getEpisodeById(PodcastPlayerService.this, episodeId), true);
}
}
@Override
public void onSeekTo(long pos) {
seekTo(pos);
}
@Override
public void onPlay() {
play(-1);
}
@Override
public void onPause() {
pause();
}
@Override
public void onFastForward() {
seekForward();
}
@Override
public void onRewind() {
seekBackward();
}
@Override
public void onSkipToNext() {
onFastForward();
}
@Override
public void onSkipToPrevious() {
onRewind();
}
}
/******************************
* Functions for loading podcast artwork
******************************/
private void startNotificationUpdate() {
ImageLoadHelper.loadImageAsync(this, mCurrentEpisode.getChannelArtworkUrl(), new ImageLoadHelper.OnImageLoaded() {
@Override
public void imageLoaded(Bitmap bitmap) {
updatePlayNotification(bitmap);
}
@Override
public void imageFailed() {
updatePlayNotification(BitmapFactory.decodeResource(
PodcastPlayerService.this.getResources(),
R.drawable.default_channel_art));
}
});
}
private void updatePlayNotification(Bitmap channelArt) {
if (mCurrentEpisode == null) {
return;
}
mMediaSession.setMetadata(new MediaMetadata.Builder()
.putBitmap(MediaMetadata.METADATA_KEY_ALBUM_ART, channelArt)
.putString(MediaMetadata.METADATA_KEY_ARTIST, mCurrentEpisode.getChannelAuthor())
.putString(MediaMetadata.METADATA_KEY_AUTHOR, mCurrentEpisode.getChannelAuthor())
.putString(MediaMetadata.METADATA_KEY_ALBUM, mCurrentEpisode.getChannelTitle())