project_files/Android-build/SDL-android-project/src/org/hedgewars/mobile/Downloader/DownloadService.java
branchhedgeroid
changeset 6047 10011f051f9c
parent 6045 9a7cc0f29430
child 6049 7bc38086d771
equal deleted inserted replaced
6045:9a7cc0f29430 6047:10011f051f9c
     1 /*
       
     2  * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game
       
     3  * Copyright (c) 2011 Richard Deurwaarder <xeli@xelification.com>
       
     4  *
       
     5  * This program is free software; you can redistribute it and/or modify
       
     6  * it under the terms of the GNU General Public License as published by
       
     7  * the Free Software Foundation; version 2 of the License
       
     8  *
       
     9  * This program is distributed in the hope that it will be useful,
       
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
       
    12  * GNU General Public License for more details.
       
    13  *
       
    14  * You should have received a copy of the GNU General Public License
       
    15  * along with this program; if not, write to the Free Software
       
    16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
       
    17  */
       
    18 
       
    19 
       
    20 package org.hedgewars.mobile.Downloader;
       
    21 
       
    22 import java.util.ArrayList;
       
    23 
       
    24 import org.hedgewars.mobile.MainActivity;
       
    25 import org.hedgewars.mobile.R;
       
    26 import org.hedgewars.mobile.Utils;
       
    27 
       
    28 import android.app.Notification;
       
    29 import android.app.NotificationManager;
       
    30 import android.app.PendingIntent;
       
    31 import android.app.Service;
       
    32 import android.content.Intent;
       
    33 import android.os.Handler;
       
    34 import android.os.IBinder;
       
    35 import android.os.Message;
       
    36 import android.os.Messenger;
       
    37 import android.os.RemoteException;
       
    38 import android.preference.PreferenceManager;
       
    39 import android.util.Log;
       
    40 import android.widget.RemoteViews;
       
    41 
       
    42 public class DownloadService extends Service {
       
    43 
       
    44 	public static final String PREF_DOWNLOADED = "downloaded";
       
    45 	public static final int MSG_CANCEL = 0;
       
    46 	public static final int MSG_REGISTER_CLIENT = 1;
       
    47 	public static final int MSG_UNREGISTER_CLIENT = 2;
       
    48 
       
    49 	public static final int NOTIFICATION_PROCESSING = 0;
       
    50 	public static final int NOTIFICATION_DONE = 1;
       
    51 
       
    52 	private DownloadAsyncTask downloadTask;
       
    53 	private final Messenger messenger = new Messenger(new DownloadHandler());
       
    54 	private NotificationManager nM;
       
    55 	private RemoteViews contentView;
       
    56 	private Notification notification;
       
    57 
       
    58 	private ArrayList<Messenger> clientList = new ArrayList<Messenger>();
       
    59 	private Message onRegisterMessage = null;
       
    60 
       
    61 
       
    62 	class DownloadHandler extends Handler{
       
    63 
       
    64 		public void handleMessage(Message msg){
       
    65 			switch(msg.what){
       
    66 			case MSG_CANCEL:
       
    67 				downloadTask.cancel(false);
       
    68 				break;
       
    69 			case MSG_REGISTER_CLIENT:
       
    70 				clientList.add(msg.replyTo);
       
    71 				if(onRegisterMessage != null){
       
    72 					try {
       
    73 						msg.replyTo.send(Message.obtain(onRegisterMessage));
       
    74 					} catch (RemoteException e) {
       
    75 						e.printStackTrace();
       
    76 					}
       
    77 				}
       
    78 				break;
       
    79 			case MSG_UNREGISTER_CLIENT:
       
    80 				clientList.remove(msg.replyTo);
       
    81 				break;
       
    82 			}
       
    83 		}
       
    84 	}
       
    85 
       
    86 	public final static int TASKID_START = 0;
       
    87 	public final static int TASKID_CANCEL = 1;
       
    88 	public final static int TASKID_RETRY = 2;
       
    89 	
       
    90 	public int onStartCommand(Intent intent, int flags, int startId){
       
    91 		switch(intent.getIntExtra("taskID", TASKID_START)){
       
    92 		case TASKID_RETRY:
       
    93 			if(downloadTask != null){
       
    94 				downloadTask.cancel(false);
       
    95 				downloadTask = null;
       
    96 			}
       
    97 		case TASKID_START:
       
    98 			nM = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
       
    99 
       
   100 			notification = new Notification(R.drawable.statusbar, getString(R.string.notification_title), System.currentTimeMillis());
       
   101 			//notification.flags |= Notification.FLAG_ONGOING_EVENT;// | Notification.FLAG_NO_CLEAR | Notification.FLAG_FOREGROUND_SERVICE;
       
   102 			notification.flags |= Notification.FLAG_ONGOING_EVENT;
       
   103 
       
   104 			contentView = new RemoteViews(getPackageName(), R.layout.notification);
       
   105 			contentView.setProgressBar(R.id.notification_progress, 100, 34, false);
       
   106 			notification.contentView = contentView;
       
   107 
       
   108 			PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, DownloadActivity.class), Intent.FLAG_ACTIVITY_NEW_TASK);
       
   109 			notification.contentIntent = contentIntent;
       
   110 
       
   111 			//nM.notify(NOTIFICATION_PROCESSING, notification);
       
   112 			startForeground(NOTIFICATION_PROCESSING, notification);
       
   113 
       
   114 			if(downloadTask == null){
       
   115 				downloadTask = new DownloadAsyncTask(this);
       
   116 				downloadTask.execute(Utils.getDownloadPath(this));
       
   117 			}	
       
   118 			break;
       
   119 		case TASKID_CANCEL:
       
   120 			downloadTask.cancel(false);
       
   121 			stopService();
       
   122 			break;
       
   123 		}		
       
   124 		return 0;
       
   125 	}
       
   126 
       
   127 	public void onDestroy(){
       
   128 		Log.e("bla", "onDestroy");
       
   129 		downloadTask.cancel(false);	
       
   130 	}
       
   131 
       
   132 	public IBinder onBind(Intent intent) {
       
   133 		return messenger.getBinder();
       
   134 	}
       
   135 
       
   136 	/*
       
   137 	 * Thread safe method to let clients know the processing is starting and will process int max kbytes
       
   138 	 */
       
   139 	public void start(int max){
       
   140 		onRegisterMessage = Message.obtain(null, DownloadActivity.MSG_START, max, -1);
       
   141 		sendMessageToClients(onRegisterMessage);
       
   142 	}
       
   143 
       
   144 	/*
       
   145 	 * periodically gets called by the ASyncTask, we can't tell for sure when it's called
       
   146 	 */
       
   147 	public void update(int progress, int max, String fileName){
       
   148 		progress = (progress/1024);
       
   149 		updateNotification(progress, max, fileName);
       
   150 
       
   151 		sendMessageToClients(Message.obtain(null, DownloadActivity.MSG_UPDATE, progress, max, fileName));
       
   152 	}
       
   153 	
       
   154 	/*
       
   155 	 * Call back from the ASync task when the task has either run into an error or finished otherwise
       
   156 	 */
       
   157 	public void done(boolean succesful){
       
   158 		if(succesful){
       
   159 			PreferenceManager.getDefaultSharedPreferences(this).edit().putBoolean(DownloadService.PREF_DOWNLOADED, true).commit();
       
   160 			sendMessageToClients(Message.obtain(null, DownloadActivity.MSG_DONE));
       
   161 		}else sendMessageToClients(Message.obtain(null, DownloadActivity.MSG_FAILED));
       
   162 		stopService();//stopService clears all notifications and thus must be called before we show the ready notification
       
   163 		showDoneNotification();
       
   164 	}
       
   165 
       
   166 	private void stopService(){
       
   167 		nM.cancelAll();
       
   168 		stopForeground(true);
       
   169 		stopSelf();
       
   170 	}
       
   171 	
       
   172 	private void updateNotification(int progress, int max, String fileName){
       
   173 
       
   174 		contentView.setProgressBar(R.id.notification_progress, max, progress, false);
       
   175 		contentView.setTextViewText(R.id.progressbar_sub, String.format("%dkb/%dkb (Compressed sizes)", progress, max));
       
   176 		nM.notify(NOTIFICATION_PROCESSING, notification);
       
   177 	}
       
   178 
       
   179 	private void showDoneNotification(){
       
   180 		nM.cancelAll();
       
   181 		stopForeground(true);
       
   182 
       
   183 		String title = getString(R.string.notification_title);
       
   184 
       
   185 		notification = new Notification(R.drawable.icon, title, System.currentTimeMillis());
       
   186 		notification.flags |= Notification.FLAG_AUTO_CANCEL;
       
   187 		PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, MainActivity.class), Intent.FLAG_ACTIVITY_NEW_TASK);
       
   188 		notification.setLatestEventInfo(this, title, getString(R.string.notification_done), contentIntent);
       
   189 		nM.notify(NOTIFICATION_DONE, notification);
       
   190 	}	
       
   191 	private void sendMessageToClients(Message msg){
       
   192 		for(Messenger m : clientList){
       
   193 			try {
       
   194 				m.send(Message.obtain(msg));
       
   195 			} catch (RemoteException e) {}//TODO should we catch this properly?
       
   196 		}
       
   197 	}
       
   198 
       
   199 }