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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   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
  23 import android.accounts.Account;
  24 import android.app.Activity;
  25 import android.content.ActivityNotFoundException;
  26 import android.content.BroadcastReceiver;
  27 import android.content.Context;
  28 import android.content.Intent;
  29 import android.content.IntentFilter;
  30 import android.net.Uri;
  31 import android.os.Bundle;
  32 import android.os.Handler;
  33 import android.support.v4.app.FragmentTransaction;
  34 import android.view.LayoutInflater;
  35 import android.view.View;
  36 import android.view.View.OnClickListener;
  37 import android.view.ViewGroup;
  38 import android.webkit.MimeTypeMap;
  39 import android.widget.Button;
  40 import android.widget.CheckBox;
  41 import android.widget.ImageView;
  42 import android.widget.ProgressBar;
  43 import android.widget.TextView;
  44 import android.widget.Toast;
  45
  46 import com.actionbarsherlock.app.SherlockFragment;
  47 import com.owncloud.android.DisplayUtils;
  48 import com.owncloud.android.Log_OC;
  49 import com.owncloud.android.datamodel.FileDataStorageManager;
  50 import com.owncloud.android.datamodel.OCFile;
  51 import com.owncloud.android.files.services.FileObserverService;
  52 import com.owncloud.android.files.services.FileUploader;
  53 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  54 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  55 import com.owncloud.android.operations.OnRemoteOperationListener;
  56 import com.owncloud.android.operations.RemoteOperation;
  57 import com.owncloud.android.operations.RemoteOperationResult;
  58 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  59 import com.owncloud.android.operations.RemoveFileOperation;
  60 import com.owncloud.android.operations.RenameFileOperation;
  61 import com.owncloud.android.operations.SynchronizeFileOperation;
  62 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  63 import com.owncloud.android.ui.activity.FileDetailActivity;
  64 import com.owncloud.android.ui.activity.FileDisplayActivity;
  65 import com.owncloud.android.ui.dialog.EditNameDialog;
  66 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  67
  68 import com.owncloud.android.R;
  69
  70 import eu.alefzero.webdav.OnDatatransferProgressListener;
  71 import eu.alefzero.webdav.WebdavUtils;
  72
  73 /**
  74  * This Fragment is used to display the details about a file.
  75  *
  76  * @author Bartek Przybylski
  77  * @author David A. Velasco
  78  */
  79 public class FileDetailFragment extends SherlockFragment implements
  80         OnClickListener,
  81         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener,
  82         FileFragment {
  83
  84     public static final String EXTRA_FILE = "FILE";
  85     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  86
  87     private FileFragment.ContainerActivity mContainerActivity;
  88
  89     private int mLayout;
  90     private View mView;
  91     private OCFile mFile;
  92     private Account mAccount;
  93     private FileDataStorageManager mStorageManager;
  94
  95     private UploadFinishReceiver mUploadFinishReceiver;
  96     public ProgressListener mProgressListener;
  97
  98     private Handler mHandler;
  99     private RemoteOperation mLastRemoteOperation;
 100
 101     private static final String TAG = FileDetailFragment.class.getSimpleName();
 102     public static final String FTAG = "FileDetails";
 103     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 104
 105
 106     /**
 107      * Creates an empty details fragment.
 108      *
 109      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 110      */
 111     public FileDetailFragment() {
 112         mFile = null;
 113         mAccount = null;
 114         mStorageManager = null;
 115         mLayout = R.layout.file_details_empty;
 116         mProgressListener = null;
 117     }
 118
 119     /**
 120      * Creates a details fragment.
 121      *
 122      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 123      *
 124      * @param fileToDetail      An {@link OCFile} to show in the fragment
 125      * @param ocAccount         An ownCloud account; needed to start downloads
 126      */
 127     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 128         mFile = fileToDetail;
 129         mAccount = ocAccount;
 130         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 131         mLayout = R.layout.file_details_empty;
 132         mProgressListener = null;
 133     }
 134
 135
 136     @Override
 137     public void onCreate(Bundle savedInstanceState) {
 138         super.onCreate(savedInstanceState);
 139         mHandler = new Handler();
 140     }
 141
 142
 143     @Override
 144     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 145             Bundle savedInstanceState) {
 146         super.onCreateView(inflater, container, savedInstanceState);
 147
 148         if (savedInstanceState != null) {
 149             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 150             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 151         }
 152
 153         if(mFile != null && mAccount != null) {
 154             mLayout = R.layout.file_details_fragment;
 155         }
 156
 157         View view = null;
 158         view = inflater.inflate(mLayout, container, false);
 159         mView = view;
 160
 161         if (mLayout == R.layout.file_details_fragment) {
 162             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 163             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 164             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 165             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 166             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 167             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 168             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 169             mProgressListener = new ProgressListener(progressBar);
 170         }
 171
 172         updateFileDetails(false, false);
 173         return view;
 174     }
 175
 176
 177     /**
 178      * {@inheritDoc}
 179      */
 180     @Override
 181     public void onAttach(Activity activity) {
 182         super.onAttach(activity);
 183         try {
 184             mContainerActivity = (ContainerActivity) activity;
 185
 186         } catch (ClassCastException e) {
 187             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 188         }
 189     }
 190
 191
 192     /**
 193      * {@inheritDoc}
 194      */
 195     @Override
 196     public void onActivityCreated(Bundle savedInstanceState) {
 197         super.onActivityCreated(savedInstanceState);
 198         if (mAccount != null) {
 199             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 200         }
 201     }
 202
 203
 204     @Override
 205     public void onSaveInstanceState(Bundle outState) {
 206         super.onSaveInstanceState(outState);
 207         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 208         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 209     }
 210
 211     @Override
 212     public void onStart() {
 213         super.onStart();
 214         listenForTransferProgress();
 215     }
 216
 217     @Override
 218     public void onResume() {
 219         super.onResume();
 220         mUploadFinishReceiver = new UploadFinishReceiver();
 221         IntentFilter filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 222         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 223
 224     }
 225
 226
 227     @Override
 228     public void onPause() {
 229         super.onPause();
 230         if (mUploadFinishReceiver != null) {
 231             getActivity().unregisterReceiver(mUploadFinishReceiver);
 232             mUploadFinishReceiver = null;
 233         }
 234     }
 235
 236
 237     @Override
 238     public void onStop() {
 239         super.onStop();
 240         leaveTransferProgress();
 241     }
 242
 243
 244     @Override
 245     public View getView() {
 246         return super.getView() == null ? mView : super.getView();
 247     }
 248
 249
 250     @Override
 251     public void onClick(View v) {
 252         switch (v.getId()) {
 253             case R.id.fdDownloadBtn: {
 254                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 255                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 256                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 257                     downloaderBinder.cancel(mAccount, mFile);
 258                     if (mFile.isDown()) {
 259                         setButtonsForDown();
 260                     } else {
 261                         setButtonsForRemote();
 262                     }
 263
 264                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 265                     uploaderBinder.cancel(mAccount, mFile);
 266                     if (!mFile.fileExists()) {
 267                         // TODO make something better
 268                         if (getActivity() instanceof FileDisplayActivity) {
 269                             // double pane
 270                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 271                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 272                             transaction.commit();
 273                             mContainerActivity.onFileStateChanged();
 274                         } else {
 275                             getActivity().finish();
 276                         }
 277
 278                     } else if (mFile.isDown()) {
 279                         setButtonsForDown();
 280                     } else {
 281                         setButtonsForRemote();
 282                     }
 283
 284                 } else {
 285                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 286                     mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 287
 288                     // update ui
 289                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 290                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 291                     setButtonsForTransferring(); // disable button immediately, although the synchronization does not result in a file transference
 292
 293                 }
 294                 break;
 295             }
 296             case R.id.fdKeepInSync: {
 297                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 298                 mFile.setKeepInSync(cb.isChecked());
 299                 mStorageManager.saveFile(mFile);
 300
 301                 /// register the OCFile instance in the observer service to monitor local updates;
 302                 /// if necessary, the file is download
 303                 Intent intent = new Intent(getActivity().getApplicationContext(),
 304                                            FileObserverService.class);
 305                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 306                            (cb.isChecked()?
 307                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 308                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 309                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 310                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 311                 getActivity().startService(intent);
 312
 313                 if (mFile.keepInSync()) {
 314                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 315                 }
 316                 break;
 317             }
 318             case R.id.fdRenameBtn: {
 319                 String fileName = mFile.getFileName();
 320                 int extensionStart = mFile.isDirectory() ? -1 : fileName.lastIndexOf(".");
 321                 int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 322                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 323                 dialog.show(getFragmentManager(), "nameeditdialog");
 324                 break;
 325             }
 326             case R.id.fdRemoveBtn: {
 327                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 328                         R.string.confirmation_remove_alert,
 329                         new String[]{mFile.getFileName()},
 330                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 331                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 332                         R.string.common_cancel);
 333                 confDialog.setOnConfirmationListener(this);
 334                 confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 335                 break;
 336             }
 337             case R.id.fdOpenBtn: {
 338                 openFile();
 339                 break;
 340             }
 341             default:
 342                 Log_OC.e(TAG, "Incorrect view clicked!");
 343         }
 344
 345     }
 346
 347     /**
 348      * Opens mFile.
 349      */
 350     private void openFile() {
 351
 352         String storagePath = mFile.getStoragePath();
 353         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 354         try {
 355             Intent i = new Intent(Intent.ACTION_VIEW);
 356             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 357             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 358             startActivity(i);
 359
 360         } catch (Throwable t) {
 361             Log_OC.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 362             boolean toastIt = true;
 363             String mimeType = "";
 364             try {
 365                 Intent i = new Intent(Intent.ACTION_VIEW);
 366                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 367                 if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 368                     if (mimeType != null) {
 369                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 370                     } else {
 371                         // desperate try
 372                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 373                     }
 374                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 375                     startActivity(i);
 376                     toastIt = false;
 377                 }
 378
 379             } catch (IndexOutOfBoundsException e) {
 380                 Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 381
 382             } catch (ActivityNotFoundException e) {
 383                 Log_OC.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 384
 385             } catch (Throwable th) {
 386                 Log_OC.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 387
 388             } finally {
 389                 if (toastIt) {
 390                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 391                 }
 392             }
 393
 394         }
 395     }
 396
 397     @Override
 398     public void onConfirmation(String callerTag) {
 399         if (callerTag.equals(FTAG_CONFIRMATION)) {
 400             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 401                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 402                                                                 true,
 403                                                                 mStorageManager);
 404                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 405
 406                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 407                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 408             }
 409         }
 410     }
 411
 412     @Override
 413     public void onNeutral(String callerTag) {
 414         File f = null;
 415         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 416             f.delete();
 417             mFile.setStoragePath(null);
 418             mStorageManager.saveFile(mFile);
 419             updateFileDetails(mFile, mAccount);
 420         }
 421     }
 422
 423     @Override
 424     public void onCancel(String callerTag) {
 425         Log_OC.d(TAG, "REMOVAL CANCELED");
 426     }
 427
 428
 429     /**
 430      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 431      *
 432      * @return  True when the fragment was created with the empty layout.
 433      */
 434     public boolean isEmpty() {
 435         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 436     }
 437
 438
 439     /**
 440      * {@inheritDoc}
 441      */
 442     public OCFile getFile(){
 443         return mFile;
 444     }
 445
 446     /**
 447      * Use this method to signal this Activity that it shall update its view.
 448      *
 449      * @param file : An {@link OCFile}
 450      */
 451     public void updateFileDetails(OCFile file, Account ocAccount) {
 452         mFile = file;
 453         if (ocAccount != null && (
 454                 mStorageManager == null ||
 455                 (mAccount != null && !mAccount.equals(ocAccount))
 456            )) {
 457             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 458         }
 459         mAccount = ocAccount;
 460         updateFileDetails(false, false);
 461     }
 462
 463     /**
 464      * Updates the view with all relevant details about that file.
 465      *
 466      * TODO Remove parameter when the transferring state of files is kept in database.
 467      *
 468      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 469      *
 470      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 471      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 472      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 473      *
 474      * @param refresh           If 'true', try to refresh the hold file from the database
 475      */
 476     public void updateFileDetails(boolean transferring, boolean refresh) {
 477
 478         if (readyToShow()) {
 479
 480             if (refresh && mStorageManager != null) {
 481                 mFile = mStorageManager.getFileByPath(mFile.getRemotePath());
 482             }
 483
 484             // set file details
 485             setFilename(mFile.getFileName());
 486             setFiletype(mFile.getMimetype());
 487             setFilesize(mFile.getFileLength());
 488             if(ocVersionSupportsTimeCreated()){
 489                 setTimeCreated(mFile.getCreationTimestamp());
 490             }
 491
 492             setTimeModified(mFile.getModificationTimestamp());
 493
 494             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 495             cb.setChecked(mFile.keepInSync());
 496
 497             // configure UI for depending upon local state of the file
 498             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 499             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 500             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 501             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 502                 setButtonsForTransferring();
 503
 504             } else if (mFile.isDown()) {
 505
 506                 setButtonsForDown();
 507
 508             } else {
 509                 // TODO load default preview image; when the local file is removed, the preview remains there
 510                 setButtonsForRemote();
 511             }
 512         }
 513         getView().invalidate();
 514     }
 515
 516     /**
 517      * Checks if the fragment is ready to show details of a OCFile
 518      *
 519      * @return  'True' when the fragment is ready to show details of a file
 520      */
 521     private boolean readyToShow() {
 522         return (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 523     }
 524
 525
 526     /**
 527      * Updates the filename in view
 528      * @param filename to set
 529      */
 530     private void setFilename(String filename) {
 531         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 532         if (tv != null)
 533             tv.setText(filename);
 534     }
 535
 536     /**
 537      * Updates the MIME type in view
 538      * @param mimetype to set
 539      */
 540     private void setFiletype(String mimetype) {
 541         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 542         if (tv != null) {
 543             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 544             tv.setText(printableMimetype);
 545         }
 546         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 547         if (iv != null) {
 548             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 549         }
 550     }
 551
 552     /**
 553      * Updates the file size in view
 554      * @param filesize in bytes to set
 555      */
 556     private void setFilesize(long filesize) {
 557         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 558         if (tv != null)
 559             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 560     }
 561
 562     /**
 563      * Updates the time that the file was created in view
 564      * @param milliseconds Unix time to set
 565      */
 566     private void setTimeCreated(long milliseconds){
 567         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 568         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 569         if(tv != null){
 570             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 571             tv.setVisibility(View.VISIBLE);
 572             tvLabel.setVisibility(View.VISIBLE);
 573         }
 574     }
 575
 576     /**
 577      * Updates the time that the file was last modified
 578      * @param milliseconds Unix time to set
 579      */
 580     private void setTimeModified(long milliseconds){
 581         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 582         if(tv != null){
 583             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 584         }
 585     }
 586
 587     /**
 588      * Enables or disables buttons for a file being downloaded
 589      */
 590     private void setButtonsForTransferring() {
 591         if (!isEmpty()) {
 592             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 593             downloadButton.setText(R.string.common_cancel);
 594             //downloadButton.setEnabled(false);
 595
 596             // let's protect the user from himself ;)
 597             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 598             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 599             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 600             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 601
 602             // show the progress bar for the transfer
 603             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 604             progressBar.setVisibility(View.VISIBLE);
 605             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 606             progressText.setVisibility(View.VISIBLE);
 607             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 608             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 609             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 610                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 611             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 612                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 613             }
 614         }
 615     }
 616
 617     /**
 618      * Enables or disables buttons for a file locally available
 619      */
 620     private void setButtonsForDown() {
 621         if (!isEmpty()) {
 622             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 623             downloadButton.setText(R.string.filedetails_sync_file);
 624
 625             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 626             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 627             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 628             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 629
 630             // hides the progress bar
 631             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 632             progressBar.setVisibility(View.GONE);
 633             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 634             progressText.setVisibility(View.GONE);
 635         }
 636     }
 637
 638     /**
 639      * Enables or disables buttons for a file not locally available
 640      */
 641     private void setButtonsForRemote() {
 642         if (!isEmpty()) {
 643             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 644             downloadButton.setText(R.string.filedetails_download);
 645
 646             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 647             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 648             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 649             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 650
 651             // hides the progress bar
 652             ProgressBar progressBar = (ProgressBar)getView().findViewById(R.id.fdProgressBar);
 653             progressBar.setVisibility(View.GONE);
 654             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 655             progressText.setVisibility(View.GONE);
 656         }
 657     }
 658
 659
 660     /**
 661      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 662      * the time that the file was created. There is a chance that this will
 663      * be fixed in future versions. Use this method to check if this version of
 664      * ownCloud has this fix.
 665      * @return True, if ownCloud the ownCloud version is supporting creation time
 666      */
 667     private boolean ocVersionSupportsTimeCreated(){
 668         /*if(mAccount != null){
 669             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 670             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 671                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 672             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 673                 return true;
 674             }
 675         }*/
 676         return false;
 677     }
 678
 679
 680     /**
 681      * Once the file upload has finished -> update view
 682      *
 683      * Being notified about the finish of an upload is necessary for the next sequence:
 684      *   1. Upload a big file.
 685      *   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
 686      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 687      *   3. Click the file in the list to see its details.
 688      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 689      */
 690     private class UploadFinishReceiver extends BroadcastReceiver {
 691         @Override
 692         public void onReceive(Context context, Intent intent) {
 693             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 694
 695             if (!isEmpty() && accountName.equals(mAccount.name)) {
 696                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 697                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 698                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 699                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 700                     renamedInUpload) {
 701                     if (uploadWasFine) {
 702                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 703                     }
 704                     if (renamedInUpload) {
 705                         String newName = (new File(uploadRemotePath)).getName();
 706                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 707                         msg.show();
 708                     }
 709                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 710                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 711                 }
 712             }
 713         }
 714     }
 715
 716
 717     public void onDismiss(EditNameDialog dialog) {
 718         if (dialog.getResult()) {
 719             String newFilename = dialog.getNewFilename();
 720             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 721             mLastRemoteOperation = new RenameFileOperation( mFile,
 722                                                             mAccount,
 723                                                             newFilename,
 724                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 725             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 726             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 727             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 728         }
 729     }
 730
 731
 732     /**
 733      * {@inheritDoc}
 734      */
 735     @Override
 736     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 737         if (operation.equals(mLastRemoteOperation)) {
 738             if (operation instanceof RemoveFileOperation) {
 739                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 740
 741             } else if (operation instanceof RenameFileOperation) {
 742                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 743
 744             } else if (operation instanceof SynchronizeFileOperation) {
 745                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 746             }
 747         }
 748     }
 749
 750
 751     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 752         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 753         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 754
 755         if (result.isSuccess()) {
 756             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 757             msg.show();
 758             if (inDisplayActivity) {
 759                 // double pane
 760                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 761                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 762                 transaction.commit();
 763                 mContainerActivity.onFileStateChanged();
 764             } else {
 765                 getActivity().finish();
 766             }
 767
 768         } else {
 769             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 770             msg.show();
 771             if (result.isSslRecoverableException()) {
 772                 // TODO show the SSL warning dialog
 773             }
 774         }
 775     }
 776
 777     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 778         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 779         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 780
 781         if (result.isSuccess()) {
 782             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 783             mContainerActivity.onFileStateChanged();
 784
 785         } else {
 786             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 787                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 788                 msg.show();
 789                 // TODO throw again the new rename dialog
 790             } else {
 791                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 792                 msg.show();
 793                 if (result.isSslRecoverableException()) {
 794                     // TODO show the SSL warning dialog
 795                 }
 796             }
 797         }
 798     }
 799
 800     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
 801         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 802         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 803
 804         if (!result.isSuccess()) {
 805             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 806                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
 807                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
 808                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
 809                 startActivity(i);
 810
 811             } else {
 812                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
 813                 msg.show();
 814             }
 815
 816             if (mFile.isDown()) {
 817                 setButtonsForDown();
 818
 819             } else {
 820                 setButtonsForRemote();
 821             }
 822
 823         } else {
 824             if (operation.transferWasRequested()) {
 825                 setButtonsForTransferring();
 826                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
 827                                                             // checking the service to see if the file is downloading results in FALSE
 828             } else {
 829                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
 830                 msg.show();
 831                 if (mFile.isDown()) {
 832                     setButtonsForDown();
 833
 834                 } else {
 835                     setButtonsForRemote();
 836                 }
 837             }
 838         }
 839     }
 840
 841
 842     public void listenForTransferProgress() {
 843         if (mProgressListener != null) {
 844             if (mContainerActivity.getFileDownloaderBinder() != null) {
 845                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
 846             }
 847             if (mContainerActivity.getFileUploaderBinder() != null) {
 848                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
 849             }
 850         }
 851     }
 852
 853
 854     public void leaveTransferProgress() {
 855         if (mProgressListener != null) {
 856             if (mContainerActivity.getFileDownloaderBinder() != null) {
 857                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
 858             }
 859             if (mContainerActivity.getFileUploaderBinder() != null) {
 860                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
 861             }
 862         }
 863     }
 864
 865
 866
 867     /**
 868      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 869      *
 870      * @author David A. Velasco
 871      */
 872     private class ProgressListener implements OnDatatransferProgressListener {
 873         int mLastPercent = 0;
 874         WeakReference<ProgressBar> mProgressBar = null;
 875
 876         ProgressListener(ProgressBar progressBar) {
 877             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 878         }
 879
 880         @Override
 881         public void onTransferProgress(long progressRate) {
 882             // old method, nothing here
 883         };
 884
 885         @Override
 886         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 887             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 888             if (percent != mLastPercent) {
 889                 ProgressBar pb = mProgressBar.get();
 890                 if (pb != null) {
 891                     pb.setProgress(percent);
 892                     pb.postInvalidate();
 893                 }
 894             }
 895             mLastPercent = percent;
 896         }
 897
 898     };
 899
 900     /*
 901     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 902     @SuppressWarnings("unused")
 903     private class ShareRunnable implements Runnable {
 904         private String mPath;
 905
 906         public ShareRunnable(String path) {
 907             mPath = path;
 908         }
 909
 910         public void run() {
 911             AccountManager am = AccountManager.get(getActivity());
 912             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 913             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 914             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 915
 916             Log_OC.d("share", "sharing for version " + ocv.toString());
 917
 918             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 919                 String APPS_PATH = "/apps/files_sharing/";
 920                 String SHARE_PATH = "ajax/share.php";
 921
 922                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 923
 924                 final String WEBDAV_SCRIPT = "webdav.php";
 925                 final String WEBDAV_FILES_LOCATION = "/files/";
 926
 927                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 928                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 929                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 930
 931                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 932                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 933
 934                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 935
 936                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 937                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 938                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 939                 Log_OC.d("share", mPath+"");
 940                 formparams.add(new BasicNameValuePair("sources",mPath));
 941                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 942                 formparams.add(new BasicNameValuePair("permissions", "0"));
 943                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 944
 945                 int status;
 946                 try {
 947                     PropFindMethod find = new PropFindMethod(url+"/");
 948                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 949                     Log_OC.d("sharer", ""+ url+"/");
 950
 951                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 952                         Log_OC.d("sharer-h", a.getName() + ":"+a.getValue());
 953                     }
 954
 955                     int status2 = wc.executeMethod(find);
 956
 957                     Log_OC.d("sharer", "propstatus "+status2);
 958
 959                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 960                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 961
 962                     status2 = wc.executeMethod(get);
 963
 964                     Log_OC.d("sharer", "getstatus "+status2);
 965                     Log_OC.d("sharer", "" + get.getResponseBodyAsString());
 966
 967                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 968                         Log_OC.d("sharer", a.getName() + ":"+a.getValue());
 969                     }
 970
 971                     status = wc.executeMethod(post);
 972                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 973                         Log_OC.d("sharer-h", a.getName() + ":"+a.getValue());
 974                     }
 975                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 976                         Log_OC.d("sharer", a.getName() + ":"+a.getValue());
 977                     }
 978                     String resp = post.getResponseBodyAsString();
 979                     Log_OC.d("share", ""+post.getURI().toString());
 980                     Log_OC.d("share", "returned status " + status);
 981                     Log_OC.d("share", " " +resp);
 982
 983                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 984                         return;
 985                      }
 986
 987                     JSONObject jsonObject = new JSONObject (resp);
 988                     String jsonStatus = jsonObject.getString("status");
 989                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 990
 991                     String token = jsonObject.getString("data");
 992                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 993                     Log_OC.d("Actions:shareFile ok", "url: " + uri);
 994
 995                 } catch (Exception e) {
 996                     e.printStackTrace();
 997                 }
 998
 999             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
1000
1001             }
1002         }
1003     }
1004     */
1005
1006 }