441 lines
13 KiB
Java
441 lines
13 KiB
Java
/*
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This file is part of Subsonic.
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Subsonic is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Subsonic is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2009 (C) Sindre Mehus
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*/
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package org.moire.ultrasonic.service;
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import android.annotation.SuppressLint;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.SharedPreferences;
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import android.media.AudioManager;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.os.Bundle;
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import android.telephony.PhoneStateListener;
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import android.telephony.TelephonyManager;
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import android.util.Log;
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import android.view.KeyEvent;
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import org.moire.ultrasonic.R;
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import org.moire.ultrasonic.domain.MusicDirectory;
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import org.moire.ultrasonic.domain.PlayerState;
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import org.moire.ultrasonic.util.CacheCleaner;
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import org.moire.ultrasonic.util.FileUtil;
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import org.moire.ultrasonic.util.Util;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReentrantLock;
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/**
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* @author Sindre Mehus
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*/
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public class DownloadServiceLifecycleSupport
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{
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private static final String TAG = DownloadServiceLifecycleSupport.class.getSimpleName();
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private static final String FILENAME_DOWNLOADS_SER = "downloadstate.ser";
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private final DownloadServiceImpl downloadService;
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private ScheduledExecutorService executorService;
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private BroadcastReceiver headsetEventReceiver;
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private BroadcastReceiver ejectEventReceiver;
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private PhoneStateListener phoneStateListener;
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private boolean externalStorageAvailable = true;
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private Lock lock = new ReentrantLock();
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private final AtomicBoolean setup = new AtomicBoolean(false);
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/**
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* This receiver manages the intent that could come from other applications.
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*/
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private BroadcastReceiver intentReceiver = new BroadcastReceiver()
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{
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@Override
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public void onReceive(Context context, Intent intent)
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{
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String action = intent.getAction();
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Log.i(TAG, "intentReceiver.onReceive: " + action);
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if (DownloadServiceImpl.CMD_PLAY.equals(action))
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{
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downloadService.play();
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}
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else if (DownloadServiceImpl.CMD_NEXT.equals(action))
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{
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downloadService.next();
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}
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else if (DownloadServiceImpl.CMD_PREVIOUS.equals(action))
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{
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downloadService.previous();
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}
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else if (DownloadServiceImpl.CMD_TOGGLEPAUSE.equals(action))
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{
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downloadService.togglePlayPause();
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}
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else if (DownloadServiceImpl.CMD_PAUSE.equals(action))
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{
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downloadService.pause();
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}
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else if (DownloadServiceImpl.CMD_STOP.equals(action))
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{
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downloadService.pause();
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downloadService.seekTo(0);
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}
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}
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};
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public DownloadServiceLifecycleSupport(DownloadServiceImpl downloadService)
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{
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this.downloadService = downloadService;
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}
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public void onCreate()
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{
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Runnable downloadChecker = new Runnable()
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{
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@Override
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public void run()
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{
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try
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{
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downloadService.checkDownloads();
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}
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catch (Throwable x)
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{
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Log.e(TAG, "checkDownloads() failed.", x);
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}
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}
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};
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executorService = Executors.newSingleThreadScheduledExecutor();
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executorService.scheduleWithFixedDelay(downloadChecker, 5, 5, TimeUnit.SECONDS);
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registerHeadsetReceiver();
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// Stop when SD card is ejected.
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ejectEventReceiver = new BroadcastReceiver()
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{
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@Override
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public void onReceive(Context context, Intent intent)
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{
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externalStorageAvailable = Intent.ACTION_MEDIA_MOUNTED.equals(intent.getAction());
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if (!externalStorageAvailable)
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{
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Log.i(TAG, "External media is ejecting. Stopping playback.");
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downloadService.reset();
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}
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else
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{
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Log.i(TAG, "External media is available.");
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}
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}
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};
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IntentFilter ejectFilter = new IntentFilter(Intent.ACTION_MEDIA_EJECT);
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ejectFilter.addAction(Intent.ACTION_MEDIA_MOUNTED);
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ejectFilter.addDataScheme("file");
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downloadService.registerReceiver(ejectEventReceiver, ejectFilter);
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// React to media buttons.
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Util.registerMediaButtonEventReceiver(downloadService);
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// Pause temporarily on incoming phone calls.
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//phoneStateListener = new MyPhoneStateListener();
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//TelephonyManager telephonyManager = (TelephonyManager) downloadService.getSystemService(Context.TELEPHONY_SERVICE);
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//telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
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// Register the handler for outside intents.
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IntentFilter commandFilter = new IntentFilter();
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commandFilter.addAction(DownloadServiceImpl.CMD_PLAY);
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commandFilter.addAction(DownloadServiceImpl.CMD_TOGGLEPAUSE);
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commandFilter.addAction(DownloadServiceImpl.CMD_PAUSE);
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commandFilter.addAction(DownloadServiceImpl.CMD_STOP);
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commandFilter.addAction(DownloadServiceImpl.CMD_PREVIOUS);
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commandFilter.addAction(DownloadServiceImpl.CMD_NEXT);
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downloadService.registerReceiver(intentReceiver, commandFilter);
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int instance = Util.getActiveServer(downloadService);
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downloadService.setJukeboxEnabled(Util.getJukeboxEnabled(downloadService, instance));
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deserializeDownloadQueue();
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new CacheCleaner(downloadService, downloadService).clean();
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}
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private void registerHeadsetReceiver() {
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// Pause when headset is unplugged.
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final SharedPreferences sp = Util.getPreferences(downloadService);
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final String spKey = downloadService
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.getString(R.string.settings_playback_resume_play_on_headphones_plug);
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headsetEventReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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final Bundle extras = intent.getExtras();
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if (extras == null) {
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return;
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}
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Log.i(TAG, String.format("Headset event for: %s", extras.get("name")));
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final int state = extras.getInt("state");
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if (state == 0) {
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if (!downloadService.isJukeboxEnabled()) {
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downloadService.pause();
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}
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} else if (state == 1) {
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if (!downloadService.isJukeboxEnabled() &&
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sp.getBoolean(spKey, false) &&
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downloadService.getPlayerState() == PlayerState.PAUSED) {
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downloadService.start();
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}
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}
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}
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};
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@SuppressLint("InlinedApi")
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IntentFilter headsetIntentFilter = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) ?
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new IntentFilter(AudioManager.ACTION_HEADSET_PLUG) :
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new IntentFilter(Intent.ACTION_HEADSET_PLUG);
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downloadService.registerReceiver(headsetEventReceiver, headsetIntentFilter);
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}
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public void onStart(Intent intent)
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{
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if (intent != null && intent.getExtras() != null)
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{
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KeyEvent event = (KeyEvent) intent.getExtras().get(Intent.EXTRA_KEY_EVENT);
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if (event != null)
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{
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handleKeyEvent(event);
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}
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}
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}
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public void onDestroy()
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{
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executorService.shutdown();
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serializeDownloadQueueNow();
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downloadService.clear(false);
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downloadService.unregisterReceiver(ejectEventReceiver);
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downloadService.unregisterReceiver(headsetEventReceiver);
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downloadService.unregisterReceiver(intentReceiver);
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//TelephonyManager telephonyManager = (TelephonyManager) downloadService.getSystemService(Context.TELEPHONY_SERVICE);
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//telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_NONE);
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}
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public boolean isExternalStorageAvailable()
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{
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return externalStorageAvailable;
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}
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public void serializeDownloadQueue()
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{
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if (!setup.get())
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{
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return;
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}
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new SerializeTask().execute();
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}
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public void serializeDownloadQueueNow()
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{
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Iterable<DownloadFile> songs = new ArrayList<DownloadFile>(downloadService.getSongs());
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State state = new State();
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for (DownloadFile downloadFile : songs)
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{
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state.songs.add(downloadFile.getSong());
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}
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state.currentPlayingIndex = downloadService.getCurrentPlayingIndex();
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state.currentPlayingPosition = downloadService.getPlayerPosition();
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Log.i(TAG, String.format("Serialized currentPlayingIndex: %d, currentPlayingPosition: %d", state.currentPlayingIndex, state.currentPlayingPosition));
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FileUtil.serialize(downloadService, state, FILENAME_DOWNLOADS_SER);
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}
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private void deserializeDownloadQueue()
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{
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new DeserializeTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
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}
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private void deserializeDownloadQueueNow()
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{
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State state = FileUtil.deserialize(downloadService, FILENAME_DOWNLOADS_SER);
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if (state == null)
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{
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return;
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}
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Log.i(TAG, "Deserialized currentPlayingIndex: " + state.currentPlayingIndex + ", currentPlayingPosition: " + state.currentPlayingPosition);
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// TODO: here the autoPlay = false creates problems when Ultrasonic is started by a Play MediaButton as the player won't start this way.
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downloadService.restore(state.songs, state.currentPlayingIndex, state.currentPlayingPosition, false, false);
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// Work-around: Serialize again, as the restore() method creates a serialization without current playing info.
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serializeDownloadQueue();
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}
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private void handleKeyEvent(KeyEvent event)
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{
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if (event.getAction() != KeyEvent.ACTION_DOWN || event.getRepeatCount() > 0)
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{
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return;
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}
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switch (event.getKeyCode())
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{
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case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
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case KeyEvent.KEYCODE_HEADSETHOOK:
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downloadService.togglePlayPause();
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break;
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case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
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downloadService.previous();
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break;
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case KeyEvent.KEYCODE_MEDIA_NEXT:
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if (downloadService.getCurrentPlayingIndex() < downloadService.size() - 1)
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{
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downloadService.next();
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}
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break;
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case KeyEvent.KEYCODE_MEDIA_STOP:
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downloadService.stop();
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break;
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case KeyEvent.KEYCODE_MEDIA_PLAY:
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if (downloadService.getPlayerState() == PlayerState.IDLE)
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{
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downloadService.play();
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}
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else if (downloadService.getPlayerState() != PlayerState.STARTED)
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{
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downloadService.start();
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}
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break;
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case KeyEvent.KEYCODE_MEDIA_PAUSE:
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downloadService.pause();
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break;
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case KeyEvent.KEYCODE_1:
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downloadService.setSongRating(1);
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break;
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case KeyEvent.KEYCODE_2:
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downloadService.setSongRating(2);
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break;
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case KeyEvent.KEYCODE_3:
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downloadService.setSongRating(3);
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break;
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case KeyEvent.KEYCODE_4:
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downloadService.setSongRating(4);
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break;
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case KeyEvent.KEYCODE_5:
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downloadService.setSongRating(5);
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break;
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default:
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break;
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}
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}
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/**
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* Logic taken from packages/apps/Music. Will pause when an incoming
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* call rings or if a call (incoming or outgoing) is connected.
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*/
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private class MyPhoneStateListener extends PhoneStateListener
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{
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private boolean resumeAfterCall;
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@Override
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public void onCallStateChanged(int state, String incomingNumber)
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{
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switch (state)
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{
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case TelephonyManager.CALL_STATE_RINGING:
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case TelephonyManager.CALL_STATE_OFFHOOK:
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if (downloadService.getPlayerState() == PlayerState.STARTED && !downloadService.isJukeboxEnabled())
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{
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resumeAfterCall = true;
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downloadService.pause();
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}
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break;
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case TelephonyManager.CALL_STATE_IDLE:
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if (resumeAfterCall)
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{
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resumeAfterCall = false;
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downloadService.start();
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}
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break;
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default:
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break;
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}
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}
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}
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private static class State implements Serializable
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{
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private static final long serialVersionUID = -6346438781062572270L;
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private List<MusicDirectory.Entry> songs = new ArrayList<MusicDirectory.Entry>();
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private int currentPlayingIndex;
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private int currentPlayingPosition;
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}
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private class SerializeTask extends AsyncTask<Void, Void, Void>
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{
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@Override
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protected Void doInBackground(Void... params)
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{
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if (lock.tryLock())
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{
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try
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{
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Thread.currentThread().setName("SerializeTask");
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serializeDownloadQueueNow();
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}
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finally
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{
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lock.unlock();
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}
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}
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return null;
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}
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}
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private class DeserializeTask extends AsyncTask<Void, Void, Void>
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{
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@Override
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protected Void doInBackground(Void... params)
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{
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try
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{
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Thread.currentThread().setName("DeserializeTask");
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lock.lock();
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deserializeDownloadQueueNow();
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setup.set(true);
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}
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finally
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{
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lock.unlock();
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}
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return null;
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}
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}
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} |