src/com/owncloud/android/ui/fragment/FileDownloadFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   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, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package com.owncloud.android.ui.fragment;
  19
  20 import java.io.File;
  21 import java.lang.ref.WeakReference;
  22 import java.util.ArrayList;
  23 import java.util.List;
  24
  25 import org.apache.commons.httpclient.methods.GetMethod;
  26 import org.apache.commons.httpclient.methods.PostMethod;
  27 import org.apache.commons.httpclient.methods.StringRequestEntity;
  28 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  29 import org.apache.http.HttpStatus;
  30 import org.apache.http.NameValuePair;
  31 import org.apache.http.client.utils.URLEncodedUtils;
  32 import org.apache.http.entity.FileEntity;
  33 import org.apache.http.message.BasicNameValuePair;
  34 import org.apache.http.protocol.HTTP;
  35 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  36 import org.json.JSONObject;
  37
  38 import android.accounts.Account;
  39 import android.accounts.AccountManager;
  40 import android.annotation.SuppressLint;
  41 import android.app.Activity;
  42 import android.content.ActivityNotFoundException;
  43 import android.content.BroadcastReceiver;
  44 import android.content.ComponentName;
  45 import android.content.Context;
  46 import android.content.Intent;
  47 import android.content.IntentFilter;
  48 import android.content.ServiceConnection;
  49 import android.graphics.Bitmap;
  50 import android.graphics.BitmapFactory;
  51 import android.graphics.BitmapFactory.Options;
  52 import android.graphics.Point;
  53 import android.net.Uri;
  54 import android.os.AsyncTask;
  55 import android.os.Bundle;
  56 import android.os.Handler;
  57 import android.os.IBinder;
  58 import android.support.v4.app.DialogFragment;
  59 import android.support.v4.app.FragmentTransaction;
  60 import android.util.Log;
  61 import android.view.Display;
  62 import android.view.LayoutInflater;
  63 import android.view.MotionEvent;
  64 import android.view.View;
  65 import android.view.View.OnClickListener;
  66 import android.view.View.OnTouchListener;
  67 import android.view.ViewGroup;
  68 import android.webkit.MimeTypeMap;
  69 import android.webkit.WebView.FindListener;
  70 import android.widget.Button;
  71 import android.widget.CheckBox;
  72 import android.widget.ImageView;
  73 import android.widget.MediaController;
  74 import android.widget.ProgressBar;
  75 import android.widget.TextView;
  76 import android.widget.Toast;
  77 import android.widget.VideoView;
  78
  79 import com.actionbarsherlock.app.SherlockFragment;
  80 import com.owncloud.android.AccountUtils;
  81 import com.owncloud.android.DisplayUtils;
  82 import com.owncloud.android.authenticator.AccountAuthenticator;
  83 import com.owncloud.android.datamodel.FileDataStorageManager;
  84 import com.owncloud.android.datamodel.OCFile;
  85 import com.owncloud.android.files.services.FileDownloader;
  86 import com.owncloud.android.files.services.FileObserverService;
  87 import com.owncloud.android.files.services.FileUploader;
  88 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  89 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  90 import com.owncloud.android.media.MediaService;
  91 import com.owncloud.android.media.MediaServiceBinder;
  92 import com.owncloud.android.network.OwnCloudClientUtils;
  93 import com.owncloud.android.operations.OnRemoteOperationListener;
  94 import com.owncloud.android.operations.RemoteOperation;
  95 import com.owncloud.android.operations.RemoteOperationResult;
  96 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  97 import com.owncloud.android.operations.RemoveFileOperation;
  98 import com.owncloud.android.operations.RenameFileOperation;
  99 import com.owncloud.android.operations.SynchronizeFileOperation;
 100 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
 101 import com.owncloud.android.ui.activity.FileDetailActivity;
 102 import com.owncloud.android.ui.activity.FileDisplayActivity;
 103 import com.owncloud.android.ui.OnSwipeTouchListener;
 104 import com.owncloud.android.ui.activity.TransferServiceGetter;
 105 import com.owncloud.android.ui.activity.PreviewVideoActivity;
 106 import com.owncloud.android.ui.dialog.EditNameDialog;
 107 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
 108 import com.owncloud.android.utils.OwnCloudVersion;
 109
 110 import com.owncloud.android.R;
 111
 112 import eu.alefzero.webdav.OnDatatransferProgressListener;
 113 import eu.alefzero.webdav.WebdavClient;
 114 import eu.alefzero.webdav.WebdavUtils;
 115
 116 /**
 117  * This Fragment is used to display the details about a file.
 118  *
 119  * @author Bartek Przybylski
 120  * @author David A. Velasco
 121  */
 122 public class FileDownloadFragment extends SherlockFragment implements
 123         OnClickListener,
 124         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener,
 125         FileFragment {
 126
 127     public static final String EXTRA_FILE = "FILE";
 128     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 129
 130     private FileFragment.ContainerActivity mContainerActivity;
 131
 132     private int mLayout;
 133     private View mView;
 134     private OCFile mFile;
 135     private Account mAccount;
 136     private FileDataStorageManager mStorageManager;
 137
 138     private DownloadFinishReceiver mDownloadFinishReceiver;
 139     private UploadFinishReceiver mUploadFinishReceiver;
 140     public ProgressListener mProgressListener;
 141
 142     private Handler mHandler;
 143     private RemoteOperation mLastRemoteOperation;
 144
 145     private MediaServiceBinder mMediaServiceBinder = null;
 146     private MediaController mMediaController = null;
 147     private MediaServiceConnection mMediaServiceConnection = null;
 148
 149     private static final String TAG = FileDownloadFragment.class.getSimpleName();
 150     public static final String FTAG = "FileDetails";
 151     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 152
 153
 154     /**
 155      * Creates an empty details fragment.
 156      *
 157      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 158      */
 159     public FileDownloadFragment() {
 160         mFile = null;
 161         mAccount = null;
 162         mStorageManager = null;
 163         mLayout = R.layout.file_details_empty;
 164         mProgressListener = null;
 165     }
 166
 167
 168     /**
 169      * Creates a details fragment.
 170      *
 171      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 172      *
 173      * @param fileToDetail      An {@link OCFile} to show in the fragment
 174      * @param ocAccount         An ownCloud account; needed to start downloads
 175      */
 176     public FileDownloadFragment(OCFile fileToDetail, Account ocAccount) {
 177         mFile = fileToDetail;
 178         mAccount = ocAccount;
 179         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 180         mLayout = R.layout.file_details_empty;
 181         mProgressListener = null;
 182     }
 183
 184
 185     @Override
 186     public void onCreate(Bundle savedInstanceState) {
 187         super.onCreate(savedInstanceState);
 188         Log.e(TAG, "PREVIEW_DOWNLOAD_FRAGMENT ONCREATE " + ((mFile == null)? "(NULL)" : mFile.getFileName()));
 189
 190         mHandler = new Handler();
 191     }
 192
 193
 194     @Override
 195     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 196             Bundle savedInstanceState) {
 197         super.onCreateView(inflater, container, savedInstanceState);
 198
 199         if (savedInstanceState != null) {
 200             mFile = savedInstanceState.getParcelable(FileDownloadFragment.EXTRA_FILE);
 201             mAccount = savedInstanceState.getParcelable(FileDownloadFragment.EXTRA_ACCOUNT);
 202         }
 203
 204         if(mFile != null && mAccount != null) {
 205             //mLayout = R.layout.file_details_fragment;
 206         }
 207
 208         View view = null;
 209         view = inflater.inflate(mLayout, container, false);
 210         mView = view;
 211
 212         if (mLayout == R.layout.file_details_fragment) {
 213             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 214             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 215             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 216             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 217             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 218             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 219             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 220             mProgressListener = new ProgressListener(progressBar);
 221         }
 222
 223         updateFileDetails(false);
 224         return view;
 225     }
 226
 227
 228     /**
 229      * {@inheritDoc}
 230      */
 231     @Override
 232     public void onAttach(Activity activity) {
 233         super.onAttach(activity);
 234         try {
 235             mContainerActivity = (ContainerActivity) activity;
 236
 237         } catch (ClassCastException e) {
 238             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 239         }
 240     }
 241
 242
 243     /**
 244      * {@inheritDoc}
 245      */
 246     @Override
 247     public void onActivityCreated(Bundle savedInstanceState) {
 248         super.onActivityCreated(savedInstanceState);
 249         if (mAccount != null) {
 250             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
 251             mView.setOnTouchListener(new OnSwipeTouchListener(getActivity()));
 252         }
 253     }
 254
 255
 256     @Override
 257     public void onSaveInstanceState(Bundle outState) {
 258         super.onSaveInstanceState(outState);
 259         outState.putParcelable(FileDownloadFragment.EXTRA_FILE, mFile);
 260         outState.putParcelable(FileDownloadFragment.EXTRA_ACCOUNT, mAccount);
 261     }
 262
 263     @Override
 264     public void onStart() {
 265         super.onStart();
 266         Log.e(TAG, "FILE_DOWNLOAD_FRAGMENT ONSTART " + mFile.getFileName());
 267         if (mFile != null && mFile.isAudio()) {
 268             bindMediaService();
 269         }
 270         listenForTransferProgress();
 271     }
 272
 273     @Override
 274     public void onResume() {
 275         Log.e(TAG, "PREVIEW_DOWNLOAD_FRAGMENT ONRESUME " + mFile.getFileName());
 276         super.onResume();
 277
 278         mDownloadFinishReceiver = new DownloadFinishReceiver();
 279         IntentFilter filter = new IntentFilter(
 280                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 281         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 282
 283         mUploadFinishReceiver = new UploadFinishReceiver();
 284         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 285         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 286
 287     }
 288
 289
 290     @Override
 291     public void onPause() {
 292         super.onPause();
 293         Log.e(TAG, "PREVIEW_DOWNLOAD_FRAGMENT ONPAUSE " + mFile.getFileName());
 294
 295         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 296         mDownloadFinishReceiver = null;
 297
 298         getActivity().unregisterReceiver(mUploadFinishReceiver);
 299         mUploadFinishReceiver = null;
 300     }
 301
 302
 303     @Override
 304     public void onStop() {
 305         super.onStop();
 306         Log.e(TAG, "FILE_DOWNLOAD_FRAGMENT ONSTOP " + mFile.getFileName());
 307         if (mMediaServiceConnection != null) {
 308             Log.d(TAG, "Unbinding from MediaService ...");
 309             if (mMediaServiceBinder != null && mMediaController != null) {
 310                 mMediaServiceBinder.unregisterMediaController(mMediaController);
 311             }
 312             getActivity().unbindService(mMediaServiceConnection);
 313             mMediaServiceBinder = null;
 314             if (mMediaController != null) {
 315                 mMediaController.hide();
 316                 mMediaController = null;
 317             }
 318         }
 319         leaveTransferProgress();
 320     }
 321
 322     @Override
 323     public void onDestroy() {
 324         super.onDestroy();
 325         Log.e(TAG, "FILE_DOWNLOAD_FRAGMENT ONDESTROY " + mFile.getFileName());
 326     }
 327
 328
 329     @Override
 330     public View getView() {
 331         return super.getView() == null ? mView : super.getView();
 332     }
 333
 334
 335     @Override
 336     public void onClick(View v) {
 337         switch (v.getId()) {
 338             case R.id.fdDownloadBtn: {
 339                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 340                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 341                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 342                     downloaderBinder.cancel(mAccount, mFile);
 343                     if (mFile.isDown()) {
 344                         setButtonsForDown();
 345                     } else {
 346                         setButtonsForRemote();
 347                     }
 348
 349                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 350                     uploaderBinder.cancel(mAccount, mFile);
 351                     if (!mFile.fileExists()) {
 352                         // TODO make something better
 353                         if (getActivity() instanceof FileDisplayActivity) {
 354                             // double pane
 355                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 356                             transaction.replace(R.id.file_details_container, new FileDownloadFragment(null, null), FTAG); // empty FileDetailFragment
 357                             transaction.commit();
 358                             mContainerActivity.onFileStateChanged();
 359                         } else {
 360                             getActivity().finish();
 361                         }
 362
 363                     } else if (mFile.isDown()) {
 364                         setButtonsForDown();
 365                     } else {
 366                         setButtonsForRemote();
 367                     }
 368
 369                 } else {
 370                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 371                     WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 372                     mLastRemoteOperation.execute(wc, this, mHandler);
 373
 374                     // update ui
 375                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 376                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 377
 378                 }
 379                 break;
 380             }
 381             case R.id.fdKeepInSync: {
 382                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 383                 mFile.setKeepInSync(cb.isChecked());
 384                 mStorageManager.saveFile(mFile);
 385
 386                 /// register the OCFile instance in the observer service to monitor local updates;
 387                 /// if necessary, the file is download
 388                 Intent intent = new Intent(getActivity().getApplicationContext(),
 389                                            FileObserverService.class);
 390                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 391                            (cb.isChecked()?
 392                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 393                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 394                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 395                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 396                 getActivity().startService(intent);
 397
 398                 if (mFile.keepInSync()) {
 399                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 400                 }
 401                 break;
 402             }
 403             case R.id.fdRenameBtn: {
 404                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 405                 dialog.show(getFragmentManager(), "nameeditdialog");
 406                 break;
 407             }
 408             case R.id.fdRemoveBtn: {
 409                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 410                         R.string.confirmation_remove_alert,
 411                         new String[]{mFile.getFileName()},
 412                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 413                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 414                         R.string.common_cancel);
 415                 confDialog.setOnConfirmationListener(this);
 416                 confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 417                 break;
 418             }
 419             case R.id.fdOpenBtn: {
 420                 openFile();
 421                 break;
 422             }
 423             default:
 424                 Log.e(TAG, "Incorrect view clicked!");
 425         }
 426
 427         /* else if (v.getId() == R.id.fdShareBtn) {
 428             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 429             t.start();
 430         }*/
 431     }
 432
 433
 434     private void startVideoActivity() {
 435         Intent i = new Intent(getActivity(), PreviewVideoActivity.class);
 436         i.putExtra(PreviewVideoActivity.EXTRA_FILE, mFile);
 437         i.putExtra(PreviewVideoActivity.EXTRA_ACCOUNT, mAccount);
 438         startActivity(i);
 439     }
 440
 441
 442     private void bindMediaService() {
 443         Log.d(TAG, "Binding to MediaService...");
 444         if (mMediaServiceConnection == null) {
 445             mMediaServiceConnection = new MediaServiceConnection();
 446         }
 447         getActivity().bindService(  new Intent(getActivity(),
 448                                     MediaService.class),
 449                                     mMediaServiceConnection,
 450                                     Context.BIND_AUTO_CREATE);
 451             // follow the flow in MediaServiceConnection#onServiceConnected(...)
 452     }
 453
 454     /** Defines callbacks for service binding, passed to bindService() */
 455     private class MediaServiceConnection implements ServiceConnection {
 456
 457         @Override
 458         public void onServiceConnected(ComponentName component, IBinder service) {
 459             if (component.equals(new ComponentName(getActivity(), MediaService.class))) {
 460                 Log.d(TAG, "Media service connected");
 461                 mMediaServiceBinder = (MediaServiceBinder) service;
 462                 if (mMediaServiceBinder != null) {
 463                     if (mMediaController == null) {
 464                         mMediaController = new MediaController(getSherlockActivity());
 465                     }
 466                     prepareMediaController();
 467
 468                     Log.d(TAG, "Successfully bound to MediaService, MediaController ready");
 469
 470                 } else {
 471                     Log.e(TAG, "Unexpected response from MediaService while binding");
 472                 }
 473             }
 474         }
 475
 476         private void prepareMediaController() {
 477             mMediaServiceBinder.registerMediaController(mMediaController);
 478             mMediaController.setMediaPlayer(mMediaServiceBinder);
 479             mMediaController.setAnchorView(getView());
 480             mMediaController.setEnabled(mMediaServiceBinder.isInPlaybackState());
 481         }
 482
 483         @Override
 484         public void onServiceDisconnected(ComponentName component) {
 485             if (component.equals(new ComponentName(getActivity(), MediaService.class))) {
 486                 Log.e(TAG, "Media service suddenly disconnected");
 487                 if (mMediaController != null) {
 488                     mMediaController.hide();
 489                     mMediaController.setMediaPlayer(null);
 490                     mMediaController = null;
 491                 }
 492                 mMediaServiceBinder = null;
 493                 mMediaServiceConnection = null;
 494             }
 495         }
 496     }
 497
 498
 499     /**
 500      * Opens mFile.
 501      */
 502     private void openFile() {
 503
 504         String storagePath = mFile.getStoragePath();
 505         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 506         try {
 507             Intent i = new Intent(Intent.ACTION_VIEW);
 508             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 509             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 510             startActivity(i);
 511
 512         } catch (Throwable t) {
 513             Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 514             boolean toastIt = true;
 515             String mimeType = "";
 516             try {
 517                 Intent i = new Intent(Intent.ACTION_VIEW);
 518                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 519                 if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 520                     if (mimeType != null) {
 521                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 522                     } else {
 523                         // desperate try
 524                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 525                     }
 526                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 527                     startActivity(i);
 528                     toastIt = false;
 529                 }
 530
 531             } catch (IndexOutOfBoundsException e) {
 532                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 533
 534             } catch (ActivityNotFoundException e) {
 535                 Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 536
 537             } catch (Throwable th) {
 538                 Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 539
 540             } finally {
 541                 if (toastIt) {
 542                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 543                 }
 544             }
 545
 546         }
 547     }
 548
 549
 550     @Override
 551     public void onConfirmation(String callerTag) {
 552         if (callerTag.equals(FTAG_CONFIRMATION)) {
 553             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 554                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 555                                                                 true,
 556                                                                 mStorageManager);
 557                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 558                 mLastRemoteOperation.execute(wc, this, mHandler);
 559
 560                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 561                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 562             }
 563         }
 564     }
 565
 566     @Override
 567     public void onNeutral(String callerTag) {
 568         File f = null;
 569         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 570             f.delete();
 571             mFile.setStoragePath(null);
 572             mStorageManager.saveFile(mFile);
 573             updateFileDetails(mFile, mAccount);
 574         }
 575     }
 576
 577     @Override
 578     public void onCancel(String callerTag) {
 579         Log.d(TAG, "REMOVAL CANCELED");
 580     }
 581
 582
 583     /**
 584      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 585      *
 586      * @return  True when the fragment was created with the empty layout.
 587      */
 588     public boolean isEmpty() {
 589         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 590     }
 591
 592
 593     /**
 594      * {@inheritDoc}
 595      */
 596     public OCFile getFile(){
 597         return mFile;
 598     }
 599
 600     /**
 601      * Use this method to signal this Activity that it shall update its view.
 602      *
 603      * @param file : An {@link OCFile}
 604      */
 605     public void updateFileDetails(OCFile file, Account ocAccount) {
 606         mFile = file;
 607         if (ocAccount != null && (
 608                 mStorageManager == null ||
 609                 (mAccount != null && !mAccount.equals(ocAccount))
 610            )) {
 611             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 612         }
 613         mAccount = ocAccount;
 614         updateFileDetails(false);
 615     }
 616
 617
 618     /**
 619      * Updates the view with all relevant details about that file.
 620      *
 621      * TODO Remove parameter when the transferring state of files is kept in database.
 622      *
 623      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 624      *
 625      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 626      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 627      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 628      *
 629      */
 630     public void updateFileDetails(boolean transferring) {
 631
 632         if (readyToShow()) {
 633
 634             // set file details
 635             setFilename(mFile.getFileName());
 636             setFiletype(mFile.getMimetype());
 637             setFilesize(mFile.getFileLength());
 638             if(ocVersionSupportsTimeCreated()){
 639                 setTimeCreated(mFile.getCreationTimestamp());
 640             }
 641
 642             setTimeModified(mFile.getModificationTimestamp());
 643
 644             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 645             cb.setChecked(mFile.keepInSync());
 646
 647             // configure UI for depending upon local state of the file
 648             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 649             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 650             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 651             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 652                 setButtonsForTransferring();
 653
 654             } else if (mFile.isDown()) {
 655
 656                 setButtonsForDown();
 657
 658             } else {
 659                 // TODO load default preview image; when the local file is removed, the preview remains there
 660                 setButtonsForRemote();
 661             }
 662         }
 663         getView().invalidate();
 664     }
 665
 666
 667     /**
 668      * Checks if the fragment is ready to show details of a OCFile
 669      *
 670      * @return  'True' when the fragment is ready to show details of a file
 671      */
 672     private boolean readyToShow() {
 673         return (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 674     }
 675
 676
 677
 678     /**
 679      * Updates the filename in view
 680      * @param filename to set
 681      */
 682     private void setFilename(String filename) {
 683         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 684         if (tv != null)
 685             tv.setText(filename);
 686     }
 687
 688     /**
 689      * Updates the MIME type in view
 690      * @param mimetype to set
 691      */
 692     private void setFiletype(String mimetype) {
 693         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 694         if (tv != null) {
 695             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 696             tv.setText(printableMimetype);
 697         }
 698         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 699         if (iv != null) {
 700             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 701         }
 702     }
 703
 704     /**
 705      * Updates the file size in view
 706      * @param filesize in bytes to set
 707      */
 708     private void setFilesize(long filesize) {
 709         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 710         if (tv != null)
 711             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 712     }
 713
 714     /**
 715      * Updates the time that the file was created in view
 716      * @param milliseconds Unix time to set
 717      */
 718     private void setTimeCreated(long milliseconds){
 719         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 720         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 721         if(tv != null){
 722             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 723             tv.setVisibility(View.VISIBLE);
 724             tvLabel.setVisibility(View.VISIBLE);
 725         }
 726     }
 727
 728     /**
 729      * Updates the time that the file was last modified
 730      * @param milliseconds Unix time to set
 731      */
 732     private void setTimeModified(long milliseconds){
 733         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 734         if(tv != null){
 735             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 736         }
 737     }
 738
 739     /**
 740      * Enables or disables buttons for a file being downloaded
 741      */
 742     private void setButtonsForTransferring() {
 743         if (!isEmpty()) {
 744             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 745             downloadButton.setText(R.string.common_cancel);
 746             //downloadButton.setEnabled(false);
 747
 748             // let's protect the user from himself ;)
 749             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 750             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 751             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 752             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 753
 754             // show the progress bar for the transfer
 755             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 756             progressBar.setVisibility(View.VISIBLE);
 757             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 758             progressText.setVisibility(View.VISIBLE);
 759             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 760             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 761             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 762                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 763             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 764                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 765             }
 766         }
 767     }
 768
 769
 770     /**
 771      * Enables or disables buttons for a file locally available
 772      */
 773     private void setButtonsForDown() {
 774         if (!isEmpty()) {
 775             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 776             downloadButton.setText(R.string.filedetails_sync_file);
 777
 778             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 779             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 780             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 781             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 782
 783             // hides the progress bar
 784             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 785             progressBar.setVisibility(View.GONE);
 786             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 787             progressText.setVisibility(View.GONE);
 788         }
 789     }
 790
 791     /**
 792      * Enables or disables buttons for a file not locally available
 793      */
 794     private void setButtonsForRemote() {
 795         if (!isEmpty()) {
 796             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 797             downloadButton.setText(R.string.filedetails_download);
 798
 799             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 800             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 801             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 802             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 803
 804             // hides the progress bar
 805             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 806             progressBar.setVisibility(View.GONE);
 807             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 808             progressText.setVisibility(View.GONE);
 809         }
 810     }
 811
 812
 813     /**
 814      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 815      * the time that the file was created. There is a chance that this will
 816      * be fixed in future versions. Use this method to check if this version of
 817      * ownCloud has this fix.
 818      * @return True, if ownCloud the ownCloud version is supporting creation time
 819      */
 820     private boolean ocVersionSupportsTimeCreated(){
 821         /*if(mAccount != null){
 822             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 823             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 824                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 825             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 826                 return true;
 827             }
 828         }*/
 829         return false;
 830     }
 831
 832
 833     /**
 834      * Once the file download has finished -> update view
 835      * @author Bartek Przybylski
 836      */
 837     private class DownloadFinishReceiver extends BroadcastReceiver {
 838         @Override
 839         public void onReceive(Context context, Intent intent) {
 840             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 841
 842             if (!isEmpty() && accountName.equals(mAccount.name)) {
 843                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 844                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 845                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 846                     if (downloadWasFine) {
 847                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 848                     }
 849                     mContainerActivity.notifySuccessfulDownload(mFile, intent, downloadWasFine);
 850                     getActivity().removeStickyBroadcast(intent);
 851                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 852                 }
 853             }
 854         }
 855     }
 856
 857
 858     /**
 859      * Once the file upload has finished -> update view
 860      *
 861      * Being notified about the finish of an upload is necessary for the next sequence:
 862      *   1. Upload a big file.
 863      *   2. Force a synchronization; if it finished before the upload, the file in transfer will be included in the local database and in the file list
 864      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 865      *   3. Click the file in the list to see its details.
 866      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 867      */
 868     private class UploadFinishReceiver extends BroadcastReceiver {
 869         @Override
 870         public void onReceive(Context context, Intent intent) {
 871             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 872
 873             if (!isEmpty() && accountName.equals(mAccount.name)) {
 874                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 875                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 876                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 877                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 878                     renamedInUpload) {
 879                     if (uploadWasFine) {
 880                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 881                     }
 882                     if (renamedInUpload) {
 883                         String newName = (new File(uploadRemotePath)).getName();
 884                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 885                         msg.show();
 886                     }
 887                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 888                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 889                 }
 890             }
 891         }
 892     }
 893
 894
 895     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 896     @SuppressWarnings("unused")
 897     private class ShareRunnable implements Runnable {
 898         private String mPath;
 899
 900         public ShareRunnable(String path) {
 901             mPath = path;
 902         }
 903
 904         public void run() {
 905             AccountManager am = AccountManager.get(getActivity());
 906             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 907             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 908             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 909
 910             Log.d("share", "sharing for version " + ocv.toString());
 911
 912             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 913                 String APPS_PATH = "/apps/files_sharing/";
 914                 String SHARE_PATH = "ajax/share.php";
 915
 916                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 917
 918                 final String WEBDAV_SCRIPT = "webdav.php";
 919                 final String WEBDAV_FILES_LOCATION = "/files/";
 920
 921                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 922                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 923                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 924
 925                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 926                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 927
 928                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 929
 930                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 931                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 932                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 933                 Log.d("share", mPath+"");
 934                 formparams.add(new BasicNameValuePair("sources",mPath));
 935                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 936                 formparams.add(new BasicNameValuePair("permissions", "0"));
 937                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 938
 939                 int status;
 940                 try {
 941                     PropFindMethod find = new PropFindMethod(url+"/");
 942                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 943                     Log.d("sharer", ""+ url+"/");
 944
 945                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 946                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 947                     }
 948
 949                     int status2 = wc.executeMethod(find);
 950
 951                     Log.d("sharer", "propstatus "+status2);
 952
 953                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 954                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 955
 956                     status2 = wc.executeMethod(get);
 957
 958                     Log.d("sharer", "getstatus "+status2);
 959                     Log.d("sharer", "" + get.getResponseBodyAsString());
 960
 961                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 962                         Log.d("sharer", a.getName() + ":"+a.getValue());
 963                     }
 964
 965                     status = wc.executeMethod(post);
 966                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 967                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 968                     }
 969                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 970                         Log.d("sharer", a.getName() + ":"+a.getValue());
 971                     }
 972                     String resp = post.getResponseBodyAsString();
 973                     Log.d("share", ""+post.getURI().toString());
 974                     Log.d("share", "returned status " + status);
 975                     Log.d("share", " " +resp);
 976
 977                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 978                         return;
 979                      }
 980
 981                     JSONObject jsonObject = new JSONObject (resp);
 982                     String jsonStatus = jsonObject.getString("status");
 983                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 984
 985                     String token = jsonObject.getString("data");
 986                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 987                     Log.d("Actions:shareFile ok", "url: " + uri);
 988
 989                 } catch (Exception e) {
 990                     e.printStackTrace();
 991                 }
 992
 993             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 994
 995             }
 996         }
 997     }
 998
 999     public void onDismiss(EditNameDialog dialog) {
1000         if (dialog.getResult()) {
1001             String newFilename = dialog.getNewFilename();
1002             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
1003             mLastRemoteOperation = new RenameFileOperation( mFile,
1004                                                             mAccount,
1005                                                             newFilename,
1006                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
1007             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
1008             mLastRemoteOperation.execute(wc, this, mHandler);
1009             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1010             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1011         }
1012     }
1013
1014
1015     /**
1016      * {@inheritDoc}
1017      */
1018     @Override
1019     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1020         if (operation.equals(mLastRemoteOperation)) {
1021             if (operation instanceof RemoveFileOperation) {
1022                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1023
1024             } else if (operation instanceof RenameFileOperation) {
1025                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
1026
1027             } else if (operation instanceof SynchronizeFileOperation) {
1028                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1029             }
1030         }
1031     }
1032
1033
1034     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1035         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1036         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1037
1038         if (result.isSuccess()) {
1039             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
1040             msg.show();
1041             if (inDisplayActivity) {
1042                 // double pane
1043                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
1044                 transaction.replace(R.id.file_details_container, new FileDownloadFragment(null, null)); // empty FileDetailFragment
1045                 transaction.commit();
1046                 mContainerActivity.onFileStateChanged();
1047             } else {
1048                 getActivity().finish();
1049             }
1050
1051         } else {
1052             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
1053             msg.show();
1054             if (result.isSslRecoverableException()) {
1055                 // TODO show the SSL warning dialog
1056             }
1057         }
1058     }
1059
1060     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1061         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1062         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1063
1064         if (result.isSuccess()) {
1065             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1066             mContainerActivity.onFileStateChanged();
1067
1068         } else {
1069             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1070                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1071                 msg.show();
1072                 // TODO throw again the new rename dialog
1073             } else {
1074                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1075                 msg.show();
1076                 if (result.isSslRecoverableException()) {
1077                     // TODO show the SSL warning dialog
1078                 }
1079             }
1080         }
1081     }
1082
1083     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1084         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1085         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1086
1087         if (!result.isSuccess()) {
1088             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1089                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1090                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1091                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1092                 startActivity(i);
1093
1094             } else {
1095                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1096                 msg.show();
1097             }
1098
1099             if (mFile.isDown()) {
1100                 setButtonsForDown();
1101
1102             } else {
1103                 setButtonsForRemote();
1104             }
1105
1106         } else {
1107             if (operation.transferWasRequested()) {
1108                 setButtonsForTransferring();
1109                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1110                                                             // checking the service to see if the file is downloading results in FALSE
1111             } else {
1112                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1113                 msg.show();
1114                 if (mFile.isDown()) {
1115                     setButtonsForDown();
1116
1117                 } else {
1118                     setButtonsForRemote();
1119                 }
1120             }
1121         }
1122     }
1123
1124
1125     public void listenForTransferProgress() {
1126         if (mProgressListener != null) {
1127             if (mContainerActivity.getFileDownloaderBinder() != null) {
1128                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1129             }
1130             if (mContainerActivity.getFileUploaderBinder() != null) {
1131                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1132             }
1133         }
1134     }
1135
1136
1137     public void leaveTransferProgress() {
1138         if (mProgressListener != null) {
1139             if (mContainerActivity.getFileDownloaderBinder() != null) {
1140                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1141             }
1142             if (mContainerActivity.getFileUploaderBinder() != null) {
1143                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1144             }
1145         }
1146     }
1147
1148
1149
1150     /**
1151      * Helper class responsible for updating the progress bar shown for file uploading or downloading
1152      *
1153      * @author David A. Velasco
1154      */
1155     private class ProgressListener implements OnDatatransferProgressListener {
1156         int mLastPercent = 0;
1157         WeakReference<ProgressBar> mProgressBar = null;
1158
1159         ProgressListener(ProgressBar progressBar) {
1160             mProgressBar = new WeakReference<ProgressBar>(progressBar);
1161         }
1162
1163         @Override
1164         public void onTransferProgress(long progressRate) {
1165             // old method, nothing here
1166         };
1167
1168         @Override
1169         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
1170             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
1171             if (percent != mLastPercent) {
1172                 ProgressBar pb = mProgressBar.get();
1173                 if (pb != null) {
1174                     pb.setProgress(percent);
1175                     pb.postInvalidate();
1176                 }
1177             }
1178             mLastPercent = percent;
1179         }
1180
1181     };
1182
1183
1184
1185 }