src/eu/alefzero/owncloud/FileDownloader.java

   1 package eu.alefzero.owncloud;
   2
   3 import java.io.File;
   4
   5 import android.accounts.Account;
   6 import android.accounts.AccountManager;
   7 import android.app.Notification;
   8 import android.app.NotificationManager;
   9 import android.app.PendingIntent;
  10 import android.app.Service;
  11 import android.content.ContentValues;
  12 import android.content.Intent;
  13 import android.net.Uri;
  14 import android.os.Environment;
  15 import android.os.Handler;
  16 import android.os.HandlerThread;
  17 import android.os.IBinder;
  18 import android.os.Looper;
  19 import android.os.Message;
  20 import android.os.Process;
  21 import android.util.Log;
  22 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  23 import eu.alefzero.owncloud.db.ProviderMeta.ProviderTableMeta;
  24 import eu.alefzero.owncloud.ui.activity.FileDisplayActivity;
  25 import eu.alefzero.webdav.WebdavClient;
  26
  27 public class FileDownloader extends Service {
  28   public static final String EXTRA_ACCOUNT = "ACCOUNT";
  29   public static final String EXTRA_FILE_PATH = "FILE_PATH";
  30   private static final String TAG = "OC_FileDownloader";
  31
  32   private NotificationManager nm;
  33   private Looper mServiceLooper;
  34   private ServiceHandler mServiceHandler;
  35   private Account mAccount;
  36   private String mFilePath;
  37
  38   private final class ServiceHandler extends Handler {
  39     public ServiceHandler(Looper looper) {
  40       super(looper);
  41     }
  42     @Override
  43     public void handleMessage(Message msg) {
  44       downloadFile();
  45       stopSelf(msg.arg1);
  46     }
  47   }
  48
  49   @Override
  50   public void onCreate() {
  51     super.onCreate();
  52     nm = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
  53     HandlerThread thread = new HandlerThread("FileDownladerThread", Process.THREAD_PRIORITY_BACKGROUND);
  54     thread.start();
  55     mServiceLooper = thread.getLooper();
  56     mServiceHandler = new ServiceHandler(mServiceLooper);
  57   }
  58
  59   @Override
  60   public IBinder onBind(Intent arg0) {
  61     return null;
  62   }
  63
  64   @Override
  65   public int onStartCommand(Intent intent, int flags, int startId) {
  66     if (!intent.hasExtra(EXTRA_ACCOUNT) && !intent.hasExtra(EXTRA_FILE_PATH)) {
  67       Log.e(TAG, "Not enough information provided in intent");
  68       return START_STICKY;
  69     }
  70     mAccount = intent.getParcelableExtra(EXTRA_ACCOUNT);
  71     mFilePath = intent.getStringExtra(EXTRA_FILE_PATH);
  72     Message msg = mServiceHandler.obtainMessage();
  73     msg.arg1 = startId;
  74     mServiceHandler.sendMessage(msg);
  75
  76     return START_NOT_STICKY;
  77   }
  78
  79   void downloadFile() {
  80     AccountManager am = (AccountManager)getSystemService(ACCOUNT_SERVICE);
  81     Uri oc_url = Uri.parse(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_URL));
  82
  83     WebdavClient wdc = new WebdavClient(oc_url);
  84
  85     String username = mAccount.name.split("@")[0];
  86     String password = "";
  87     try {
  88       password = am.blockingGetAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE, true);
  89     } catch (Exception e) {
  90       e.printStackTrace();
  91     }
  92
  93     wdc.setCredentials(username, password);
  94     wdc.allowUnsignedCertificates();
  95
  96     Notification n = new Notification(R.drawable.icon, "Downloading file", System.currentTimeMillis());
  97     PendingIntent pi = PendingIntent.getActivity(this, 1, new Intent(this, FileDisplayActivity.class), 0);
  98     n.setLatestEventInfo(this, "Downloading file", "Downloading file " + mFilePath, pi);
  99     nm.notify(1, n);
 100
 101     File sdCard = Environment.getExternalStorageDirectory();
 102     File dir = new File (sdCard.getAbsolutePath() + "/owncloud");
 103     dir.mkdirs();
 104     File file = new File(dir, mFilePath.replace('/', '.'));
 105
 106     wdc.downloadFile(mFilePath, file);
 107     ContentValues cv = new ContentValues();
 108     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getAbsolutePath());
 109     getContentResolver().update(ProviderTableMeta.CONTENT_URI,
 110         cv,
 111         ProviderTableMeta.FILE_NAME +"=? AND "+ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 112         new String[]{mFilePath.substring(mFilePath.lastIndexOf('/')+1), mAccount.name});
 113     nm.cancel(1);
 114   }
 115
 116 }