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