src/eu/alefzero/owncloud/files/services/FileDownloader.java

   1 package eu.alefzero.owncloud.files.services;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5
   6 import android.accounts.Account;
   7 import android.accounts.AccountManager;
   8 import android.app.Notification;
   9 import android.app.NotificationManager;
  10 import android.app.PendingIntent;
  11 import android.app.Service;
  12 import android.content.ContentValues;
  13 import android.content.Intent;
  14 import android.net.Uri;
  15 import android.os.Environment;
  16 import android.os.Handler;
  17 import android.os.HandlerThread;
  18 import android.os.IBinder;
  19 import android.os.Looper;
  20 import android.os.Message;
  21 import android.os.Process;
  22 import android.util.Log;
  23 import android.widget.RemoteViews;
  24 import eu.alefzero.owncloud.AccountUtils;
  25 import eu.alefzero.owncloud.R;
  26 import eu.alefzero.owncloud.R.drawable;
  27 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  28 import eu.alefzero.owncloud.db.ProviderMeta.ProviderTableMeta;
  29 import eu.alefzero.owncloud.files.interfaces.OnDatatransferProgressListener;
  30 import eu.alefzero.owncloud.ui.activity.FileDisplayActivity;
  31 import eu.alefzero.owncloud.utils.OwnCloudVersion;
  32 import eu.alefzero.webdav.WebdavClient;
  33
  34 public class FileDownloader extends Service implements OnDatatransferProgressListener {
  35     public static final String DOWNLOAD_FINISH_MESSAGE = "DOWNLOAD_FINISH";
  36     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  37     public static final String EXTRA_FILE_PATH = "FILE_PATH";
  38     public static final String EXTRA_FILE_SIZE = "FILE_SIZE";
  39     private static final String TAG = "FileDownloader";
  40
  41     private NotificationManager mNotificationMngr;
  42     private Looper mServiceLooper;
  43     private ServiceHandler mServiceHandler;
  44     private Account mAccount;
  45     private String mFilePath;
  46     private int mLastPercent;
  47     private long mTotalDownloadSize;
  48     private long mCurrentDownlodSize;
  49     private Notification mNotification;
  50
  51     private final class ServiceHandler extends Handler {
  52         public ServiceHandler(Looper looper) {
  53             super(looper);
  54         }
  55
  56         @Override
  57         public void handleMessage(Message msg) {
  58             downloadFile();
  59             stopSelf(msg.arg1);
  60         }
  61     }
  62
  63     @Override
  64     public void onCreate() {
  65         super.onCreate();
  66         mNotificationMngr = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
  67         HandlerThread thread = new HandlerThread("FileDownladerThread",
  68                 Process.THREAD_PRIORITY_BACKGROUND);
  69         thread.start();
  70         mServiceLooper = thread.getLooper();
  71         mServiceHandler = new ServiceHandler(mServiceLooper);
  72     }
  73
  74     @Override
  75     public IBinder onBind(Intent arg0) {
  76         return null;
  77     }
  78
  79     @Override
  80     public int onStartCommand(Intent intent, int flags, int startId) {
  81         if (!intent.hasExtra(EXTRA_ACCOUNT)
  82                 && !intent.hasExtra(EXTRA_FILE_PATH)) {
  83             Log.e(TAG, "Not enough information provided in intent");
  84             return START_STICKY;
  85         }
  86         mAccount = intent.getParcelableExtra(EXTRA_ACCOUNT);
  87         mFilePath = intent.getStringExtra(EXTRA_FILE_PATH);
  88         Message msg = mServiceHandler.obtainMessage();
  89         msg.arg1 = startId;
  90         mServiceHandler.sendMessage(msg);
  91         mCurrentDownlodSize = mLastPercent = 0;
  92         mTotalDownloadSize = intent.getLongExtra(EXTRA_FILE_SIZE, -1);
  93
  94         return START_NOT_STICKY;
  95     }
  96
  97     void downloadFile() {
  98         AccountManager am = (AccountManager) getSystemService(ACCOUNT_SERVICE);
  99         String oc_base_url = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 100         OwnCloudVersion ocv = new OwnCloudVersion(am
 101                 .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 102         String webdav_path = AccountUtils.getWebdavPath(ocv);
 103         Uri oc_url = Uri.parse(oc_base_url+webdav_path);
 104
 105         WebdavClient wdc = new WebdavClient(Uri.parse(oc_base_url + webdav_path));
 106
 107         String username = mAccount.name.split("@")[0];
 108         String password = "";
 109         try {
 110             password = am.blockingGetAuthToken(mAccount,
 111                     AccountAuthenticator.AUTH_TOKEN_TYPE, true);
 112         } catch (Exception e) {
 113             e.printStackTrace();
 114             return;
 115         }
 116
 117         wdc.setCredentials(username, password);
 118         wdc.allowSelfsignedCertificates();
 119         wdc.setDataTransferProgressListener(this);
 120
 121         mNotification = new Notification(R.drawable.icon, "Downloading file", System.currentTimeMillis());
 122
 123         mNotification.flags |= Notification.FLAG_ONGOING_EVENT;
 124         mNotification.contentView = new RemoteViews(getApplicationContext().getPackageName(), R.layout.progressbar_layout);
 125         mNotification.contentView.setProgressBar(R.id.status_progress, 100, 0, mTotalDownloadSize == -1);
 126         mNotification.contentView.setImageViewResource(R.id.status_icon, R.drawable.icon);
 127
 128         mNotificationMngr.notify(1, mNotification);
 129
 130         File sdCard = Environment.getExternalStorageDirectory();
 131         File file = new File(sdCard.getAbsolutePath() + "/owncloud/" + mAccount.name + mFilePath);
 132         try {
 133             file.getParentFile().mkdirs();
 134             file.createNewFile();
 135         } catch (IOException e) {
 136             e.printStackTrace();
 137         }
 138
 139         Log.e(TAG, file.getAbsolutePath() + " " + oc_url.toString());
 140         Log.e(TAG, mFilePath+"");
 141         if (wdc.downloadFile(mFilePath, file)) {
 142             ContentValues cv = new ContentValues();
 143             cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getAbsolutePath());
 144             getContentResolver().update(
 145                     ProviderTableMeta.CONTENT_URI,
 146                     cv,
 147                     ProviderTableMeta.FILE_NAME + "=? AND "
 148                             + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 149                     new String[] {
 150                             mFilePath.substring(mFilePath.lastIndexOf('/') + 1),
 151                             mAccount.name });
 152         }
 153         mNotificationMngr.cancel(1);
 154         Intent end = new Intent(DOWNLOAD_FINISH_MESSAGE);
 155         end.putExtra(EXTRA_FILE_PATH, file.getAbsolutePath());
 156         sendBroadcast(end);
 157     }
 158
 159     @Override
 160     public void transferProgress(long progressRate) {
 161         mCurrentDownlodSize += progressRate;
 162         int percent = (int)(100.0*((double)mCurrentDownlodSize)/((double)mTotalDownloadSize));
 163         if (percent != mLastPercent) {
 164           mNotification.contentView.setProgressBar(R.id.status_progress, 100, (int)(100*mCurrentDownlodSize/mTotalDownloadSize), mTotalDownloadSize == -1);
 165           mNotification.contentView.setTextViewText(R.id.status_text, percent+"%");
 166           mNotificationMngr.notify(1, mNotification);
 167         }
 168
 169         mLastPercent = percent;
 170     }
 171
 172 }