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