X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/7018ae7e1f3989779bf47b86e762b7521b7df20e..7656cff3bbb92aefbbe01d59f746d5e7f3bd9445:/src/com/owncloud/android/media/MediaService.java diff --git a/src/com/owncloud/android/media/MediaService.java b/src/com/owncloud/android/media/MediaService.java deleted file mode 100644 index 8020f121..00000000 --- a/src/com/owncloud/android/media/MediaService.java +++ /dev/null @@ -1,654 +0,0 @@ -/* ownCloud Android client application - * Copyright 2013 ownCloud Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - * - */ - -package com.owncloud.android.media; - -import android.accounts.Account; -import android.app.Notification; -import android.app.NotificationManager; -import android.app.PendingIntent; -import android.app.Service; -import android.content.ContentUris; -import android.content.Context; -import android.content.Intent; -import android.media.AudioManager; -import android.media.MediaPlayer; -import android.media.MediaPlayer.OnCompletionListener; -import android.media.MediaPlayer.OnErrorListener; -import android.media.MediaPlayer.OnPreparedListener; -import android.net.Uri; -import android.net.wifi.WifiManager; -import android.net.wifi.WifiManager.WifiLock; -import android.os.IBinder; -import android.os.PowerManager; -import android.util.Log; -import android.widget.RemoteViews; -import android.widget.Toast; - -import java.io.File; -import java.io.IOException; - -import com.owncloud.android.AccountUtils; -import com.owncloud.android.R; -import com.owncloud.android.datamodel.OCFile; -import com.owncloud.android.ui.activity.FileDetailActivity; -import com.owncloud.android.ui.fragment.FileDetailFragment; - -/** - * Service that handles media playback, both audio and video. - * - * Waits for Intents which signal the service to perform specific operations: Play, Pause, - * Rewind, etc. - * - * @author David A. Velasco - */ -public class MediaService extends Service implements OnCompletionListener, OnPreparedListener, - OnErrorListener, AudioManager.OnAudioFocusChangeListener { - - private static final String TAG = MediaService.class.getSimpleName(); - - private static final String MY_PACKAGE = MediaService.class.getPackage() != null ? MediaService.class.getPackage().getName() : "com.owncloud.android.media"; - - /// Intent actions that we are prepared to handle - public static final String ACTION_TOGGLE_PLAYBACK = MY_PACKAGE + ".action.TOGGLE_PLAYBACK"; - public static final String ACTION_PLAY = MY_PACKAGE + ".action.PLAY"; - public static final String ACTION_PAUSE = MY_PACKAGE + ".android.media.action.PAUSE"; - public static final String ACTION_STOP = MY_PACKAGE + ".android.media.action.STOP"; - public static final String ACTION_REWIND = MY_PACKAGE + ".android.media.action.REWIND"; - public static final String ACTION_PLAY_FILE = MY_PACKAGE + ".android.media.action.URL"; - - /// Keys to add extras to the action - public static final String EXTRA_FILE = MY_PACKAGE + ".extra.FILE"; - public static final String EXTRA_ACCOUNT = MY_PACKAGE + ".extra.ACCOUNT"; - - /** - * Volume to set when audio focus is lost and ducking is allowed - */ - private static final float DUCK_VOLUME = 0.1f; - - /** - * Media player instance - */ - private MediaPlayer mPlayer = null; - - - // our AudioFocusHelper object, if it's available (it's available on SDK level >= 8) - // If not available, this will be null. Always check for null before using! - //AudioFocusHelper mAudioFocusHelper = null; - /** - * Reference to the system AudioManager - */ - private AudioManager mAudioManager = null; - - - /** - * Values to indicate the state of the service - */ - enum State { - STOPPED, - PREPARING, - PLAYING, - PAUSED - }; - - - /** - * Current state - */ - private State mState = State.STOPPED; - - - enum PauseReason { - UserRequest, // paused by user request - FocusLoss, // paused because of audio focus loss - }; - - - /** - * Possible focus values - */ - enum AudioFocus { - NO_FOCUS, - NO_FOCUS_CAN_DUCK, - FOCUS - } - - /** - * Current focus state - */ - private AudioFocus mAudioFocus = AudioFocus.NO_FOCUS; - - - /** - * 'True' when the current song is streaming from the network - */ - private boolean mIsStreaming = false; - - /** - * Wifi lock kept to prevents the device from shutting off the radio when streaming a file. - */ - private WifiLock mWifiLock; - private static final String MEDIA_WIFI_LOCK_TAG = MY_PACKAGE + ".WIFI_LOCK"; - - - - /** - * Id for the notification to keep in the notification bar while a song is playing - */ - private final int NOTIFICATION_ID = 1; - private NotificationManager mNotificationManager; - private Notification mNotification = null; - - private OCFile mFile; - private Account mAccount; - - - - /** - * Initialize a service instance - * - * {@inheritDoc} - */ - @Override - public void onCreate() { - Log.d(TAG, "Creating ownCloud media service"); - - mWifiLock = ((WifiManager) getSystemService(Context.WIFI_SERVICE)). - createWifiLock(WifiManager.WIFI_MODE_FULL, MEDIA_WIFI_LOCK_TAG); - - mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); - mAudioManager = (AudioManager) getSystemService(AUDIO_SERVICE); - - } - - - /** - * Entry point for Intents requesting actions, sent here via startService. - * - * TODO maybe, replace by an API based in binding - */ - @Override - public int onStartCommand(Intent intent, int flags, int startId) { - String action = intent.getAction(); - if (action.equals(ACTION_PLAY_FILE)) { - processPlayFileRequest(intent); - } else if (action.equals(ACTION_PLAY)) { - processPlayRequest(); - } else if (action.equals(ACTION_TOGGLE_PLAYBACK)) { - processTogglePlaybackRequest(); - } else if (action.equals(ACTION_PAUSE)) { - processPauseRequest(); - } else if (action.equals(ACTION_STOP)) { - processStopRequest(); - } else if (action.equals(ACTION_REWIND)) { - processRewindRequest(); - } - - return START_NOT_STICKY; // don't want it to restart in case it's killed. - } - - - /** - * Processes a request to play a media file received as a parameter - * - * @param intent Intent received in the request with the data to identify the file to play. - */ - private void processPlayFileRequest(Intent intent) { - if (mState == State.PLAYING || mState == State.PAUSED || mState == State.STOPPED) { - mFile = intent.getExtras().getParcelable(EXTRA_FILE); - mAccount = intent.getExtras().getParcelable(EXTRA_ACCOUNT); - tryToGetAudioFocus(); - playMedia(); - } - // TODO think what happens if mState == State.PREPARING - } - - - /** - * Processes a request to play a media file. - */ - void processPlayRequest() { - // request audio focus - tryToGetAudioFocus(); - - // actually play the song - if (mState == State.STOPPED) { - // (re)start playback - playMedia(); - - } else if (mState == State.PAUSED) { - // continue playback - mState = State.PLAYING; - setUpAsForeground(String.format(getString(R.string.media_state_playing), mFile.getFileName())); - configAndStartMediaPlayer(); - - } - } - - - /** - * Makes sure the media player exists and has been reset. This will create the media player - * if needed, or reset the existing media player if one already exists. - */ - void createMediaPlayerIfNeeded() { - if (mPlayer == null) { - mPlayer = new MediaPlayer(); - - // make sure the CPU won't go to sleep while media is playing - mPlayer.setWakeMode(getApplicationContext(), PowerManager.PARTIAL_WAKE_LOCK); - - // the media player will notify the service when it's ready preparing, and when it's done playing - mPlayer.setOnPreparedListener(this); - mPlayer.setOnCompletionListener(this); - mPlayer.setOnErrorListener(this); - - } else { - mPlayer.reset(); - } - } - - /** - * Processes a request to toggle from PLAY to PAUSE, or from PAUSE to PLAY - */ - private void processTogglePlaybackRequest() { - if (mState == State.PAUSED || mState == State.STOPPED) { - processPlayRequest(); - - } else { - processPauseRequest(); - } - } - - /** - * Processes a request to pause the current playback - */ - private void processPauseRequest() { - if (mState == State.PLAYING) { - mState = State.PAUSED; - mPlayer.pause(); - releaseResources(false); // retain media player in pause - // TODO polite audio focus, instead of keep it owned; or not? - } - } - - - /** - * Process a request to rewind the current media playback to the start point. - */ - private void processRewindRequest() { - if (mState == State.PLAYING || mState == State.PAUSED) { - mPlayer.seekTo(0); - } - } - - /** - * Processes a request to stop the playback - */ - private void processStopRequest() { - processStopRequest(false); - } - - - /** - * Processes a request to stop the playback. - * - * @param force When 'true', the playback is stopped no matter the value of mState - */ - void processStopRequest(boolean force) { - if (mState == State.PLAYING || mState == State.PAUSED || force) { - mState = State.STOPPED; - - releaseResources(true); - giveUpAudioFocus(); - stopSelf(); // service is no longer necessary - } - } - - - /** - * Releases resources used by the service for playback. This includes the "foreground service" - * status and notification, the wake locks and possibly the MediaPlayer. - * - * @param releaseMediaPlayer Indicates whether the Media Player should also be released or not - */ - void releaseResources(boolean releaseMediaPlayer) { - // stop being a foreground service - stopForeground(true); - - // stop and release the Media Player, if it's available - if (releaseMediaPlayer && mPlayer != null) { - mPlayer.reset(); - mPlayer.release(); - mPlayer = null; - } - - // release the Wifi lock, if holding it - if (mWifiLock.isHeld()) { - mWifiLock.release(); - } - } - - - /** - * Fully releases the audio focus. - */ - private void giveUpAudioFocus() { - if (mAudioFocus == AudioFocus.FOCUS - && mAudioManager != null - && AudioManager.AUDIOFOCUS_REQUEST_GRANTED == mAudioManager.abandonAudioFocus(this)) { - - mAudioFocus = AudioFocus.NO_FOCUS; - } - } - - - /** - * Reconfigures MediaPlayer according to audio focus settings and starts/restarts it. - */ - void configAndStartMediaPlayer() { - if (mPlayer == null) { - throw new IllegalStateException("mPlayer is NULL"); - } - - if (mAudioFocus == AudioFocus.NO_FOCUS) { - if (mPlayer.isPlaying()) { - mPlayer.pause(); // have to be polite; but mState is not changed, to resume when focus is received again - } - - } else { - if (mAudioFocus == AudioFocus.NO_FOCUS_CAN_DUCK) { - mPlayer.setVolume(DUCK_VOLUME, DUCK_VOLUME); - - } else { - mPlayer.setVolume(1.0f, 1.0f); // full volume - } - - if (!mPlayer.isPlaying()) { - mPlayer.start(); - } - } - } - - - /** - * Requests the audio focus to the Audio Manager - */ - private void tryToGetAudioFocus() { - if (mAudioFocus != AudioFocus.FOCUS - && mAudioManager != null - && (AudioManager.AUDIOFOCUS_REQUEST_GRANTED == mAudioManager.requestAudioFocus( this, - AudioManager.STREAM_MUSIC, - AudioManager.AUDIOFOCUS_GAIN)) - ) { - mAudioFocus = AudioFocus.FOCUS; - } - } - - - public static class Item { - long id; - String artist; - String title; - String album; - long duration; - - public Item(long id, String artist, String title, String album, long duration) { - this.id = id; - this.artist = artist; - this.title = title; - this.album = album; - this.duration = duration; - } - - public long getId() { - return id; - } - - public String getArtist() { - return artist; - } - - public String getTitle() { - return title; - } - - public String getAlbum() { - return album; - } - - public long getDuration() { - return duration; - } - - public Uri getURI() { - return ContentUris.withAppendedId( - android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, id); - } - } - - - - /** - * Starts playing the current media file. - */ - void playMedia() { - mState = State.STOPPED; - releaseResources(false); // release everything except MediaPlayer - - try { - if (mFile == null) { - Toast.makeText(this, R.string.media_err_nothing_to_play, Toast.LENGTH_LONG).show(); - processStopRequest(true); - return; - - } else if (mAccount == null) { - Toast.makeText(this, R.string.media_err_not_in_owncloud, Toast.LENGTH_LONG).show(); - processStopRequest(true); - return; - } - - createMediaPlayerIfNeeded(); - mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); - String url = mFile.getStoragePath(); - if (url == null || url.length() <= 0) { - url = AccountUtils.constructFullURLForAccount(this, mAccount) + mFile.getRemotePath(); - } - mIsStreaming = url.startsWith("http:") || url.startsWith("https:"); - - mPlayer.setDataSource(url); - - mState = State.PREPARING; - setUpAsForeground(String.format(getString(R.string.media_state_loading), mFile.getFileName())); - - // starts preparing the media player in background - mPlayer.prepareAsync(); - - // prevent the Wifi from going to sleep when streaming - if (mIsStreaming) { - mWifiLock.acquire(); - } else if (mWifiLock.isHeld()) { - mWifiLock.release(); - } - - } catch (SecurityException e) { - Log.e(TAG, "SecurityException playing " + mAccount.name + mFile.getRemotePath(), e); - // TODO message to the user - - } catch (IOException e) { - Log.e(TAG, "IOException playing " + mAccount.name + mFile.getRemotePath(), e); - // TODO message to the user - - } catch (IllegalStateException e) { - Log.e(TAG, "IllegalStateException " + mAccount.name + mFile.getRemotePath(), e); - - } catch (IllegalArgumentException e) { - Log.e(TAG, "IllegalArgumentException " + mAccount.name + mFile.getRemotePath(), e); - e.printStackTrace(); - } - } - - - /** Called when media player is done playing current song. */ - public void onCompletion(MediaPlayer player) { - Toast.makeText(this, String.format(getString(R.string.media_event_done, mFile.getFileName())), Toast.LENGTH_LONG).show(); - processStopRequest(true); - return; - } - - - /** - * Called when media player is done preparing. - * - * Time to start. - */ - public void onPrepared(MediaPlayer player) { - mState = State.PLAYING; - updateNotification(String.format(getString(R.string.media_state_playing), mFile.getFileName())); - configAndStartMediaPlayer(); - } - - - /** - * Updates the status notification - */ - @SuppressWarnings("deprecation") - private void updateNotification(String content) { - // TODO check if updating the Intent is really necessary - Intent showDetailsIntent = new Intent(this, FileDetailActivity.class); - showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, mFile); - showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, mAccount); - showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); - mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), - (int)System.currentTimeMillis(), - showDetailsIntent, - PendingIntent.FLAG_UPDATE_CURRENT); - mNotification.when = System.currentTimeMillis(); - //mNotification.contentView.setTextViewText(R.id.status_text, content); - String ticker = "ownCloud MusicPlayer"; - mNotification.setLatestEventInfo(getApplicationContext(), ticker, content, mNotification.contentIntent); - mNotificationManager.notify(NOTIFICATION_ID, mNotification); - } - - - /** - * Configures the service as a foreground service. - * - * The system will avoid finishing the service as much as possible when resources as low. - * - * A notification must be created to keep the user aware of the existance of the service. - */ - @SuppressWarnings("deprecation") - private void setUpAsForeground(String content) { - /// creates status notification - // TODO put a progress bar to follow the playback progress - mNotification = new Notification(); - mNotification.icon = android.R.drawable.ic_media_play; - //mNotification.tickerText = text; - mNotification.when = System.currentTimeMillis(); - mNotification.flags |= Notification.FLAG_ONGOING_EVENT; - //mNotification.contentView.setTextViewText(R.id.status_text, "ownCloud Music Player"); // NULL POINTER - //mNotification.contentView.setTextViewText(R.id.status_text, getString(R.string.downloader_download_in_progress_content)); - - - /// includes a pending intent in the notification showing the details view of the file - Intent showDetailsIntent = new Intent(this, FileDetailActivity.class); - showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, mFile); - showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, mAccount); - showDetailsIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); - mNotification.contentIntent = PendingIntent.getActivity(getApplicationContext(), - (int)System.currentTimeMillis(), - showDetailsIntent, - PendingIntent.FLAG_UPDATE_CURRENT); - - - //mNotificationManager.notify(R.string.downloader_download_in_progress_ticker, mNotification); - String ticker = "ownCloud MusicPlayer"; - mNotification.setLatestEventInfo(getApplicationContext(), ticker, content, mNotification.contentIntent); - startForeground(NOTIFICATION_ID, mNotification); - - } - - /** - * Called when there's an error playing media. - * - * Warns the user about the error and resets the media player. - */ - public boolean onError(MediaPlayer mp, int what, int extra) { - // TODO FOLLOW HERE!!!!!! - - Toast.makeText(getApplicationContext(), "Media player error! Resetting.", - Toast.LENGTH_SHORT).show(); - Log.e(TAG, "Error: what=" + String.valueOf(what) + ", extra=" + String.valueOf(extra)); - - mState = State.STOPPED; - releaseResources(true); - giveUpAudioFocus(); - return true; - } - - - /** - * Called by the system when another app tries to play some sound. - * - * {@inheritDoc} - */ - @Override - public void onAudioFocusChange(int focusChange) { - if (focusChange > 0) { - // focus gain; check AudioManager.AUDIOFOCUS_* values - Toast.makeText(getApplicationContext(), "gained audio focus.", Toast.LENGTH_SHORT).show(); - mAudioFocus = AudioFocus.FOCUS; - - // restart media player with new focus settings - if (mState == State.PLAYING) - configAndStartMediaPlayer(); - - } else if (focusChange < 0) { - // focus loss; check AudioManager.AUDIOFOCUS_* values - boolean canDuck = AudioManager.AUDIOFOCUS_LOSS_TRANSIENT_CAN_DUCK == focusChange; - Toast.makeText(getApplicationContext(), "lost audio focus." + (canDuck ? "can duck" : - "no duck"), Toast.LENGTH_SHORT).show(); - mAudioFocus = canDuck ? AudioFocus.NO_FOCUS_CAN_DUCK : AudioFocus.NO_FOCUS; - - // start/restart/pause media player with new focus settings - if (mPlayer != null && mPlayer.isPlaying()) - configAndStartMediaPlayer(); - } - - } - - /** - * Called when the service is finished for final clean-up. - * - * {@inheritDoc} - */ - @Override - public void onDestroy() { - mState = State.STOPPED; - releaseResources(true); - giveUpAudioFocus(); - } - - - @Override - public IBinder onBind(Intent arg0) { - // TODO provide a binding API? may we use a service to play VIDEO? - return null; - } - -}