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             OCFile file = mStorageManager.getFileByPath(getFile().getRemotePath());
 190             if (file != null) {
 191                 setFile(file);
 192             }
 193         }
 194     }
 195
 196
 197     @Override
 198     public void onSaveInstanceState(Bundle outState) {
 199         super.onSaveInstanceState(outState);
 200         outState.putParcelable(FileActivity.EXTRA_FILE, getFile());
 201         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
 202     }
 203
 204     @Override
 205     public void onStart() {
 206         super.onStart();
 207         listenForTransferProgress();
 208     }
 209
 210     @Override
 211     public void onResume() {
 212         super.onResume();
 213         mUploadFinishReceiver = new UploadFinishReceiver();
 214         IntentFilter filter = new IntentFilter(FileUploader.getUploadFinishMessage());
 215         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 216
 217     }
 218
 219
 220     @Override
 221     public void onPause() {
 222         super.onPause();
 223         if (mUploadFinishReceiver != null) {
 224             getActivity().unregisterReceiver(mUploadFinishReceiver);
 225             mUploadFinishReceiver = null;
 226         }
 227     }
 228
 229
 230     @Override
 231     public void onStop() {
 232         super.onStop();
 233         leaveTransferProgress();
 234     }
 235
 236
 237     @Override
 238     public View getView() {
 239         return super.getView() == null ? mView : super.getView();
 240     }
 241
 242
 243     /**
 244      * {@inheritDoc}
 245      */
 246     @Override
 247     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 248         super.onCreateOptionsMenu(menu, inflater);
 249         inflater.inflate(R.menu.file_actions_menu, menu);
 250         MenuItem item = menu.findItem(R.id.action_see_details);
 251         if (item != null) {
 252             item.setVisible(false);
 253             item.setEnabled(false);
 254         }
 255     }
 256
 257
 258     /**
 259      * {@inheritDoc}
 260      */
 261     @Override
 262     public void onPrepareOptionsMenu (Menu menu) {
 263         super.onPrepareOptionsMenu(menu);
 264
 265         List<Integer> toHide = new ArrayList<Integer>();
 266         List<Integer> toShow = new ArrayList<Integer>();
 267         OCFile file = getFile();
 268
 269         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 270         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file);
 271         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 272         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile());
 273
 274         if (downloading || uploading) {
 275             toHide.add(R.id.action_download_file);
 276             toHide.add(R.id.action_rename_file);
 277             toHide.add(R.id.action_remove_file);
 278             toHide.add(R.id.action_open_file_with);
 279             if (!downloading) {
 280                 toHide.add(R.id.action_cancel_download);
 281                 toShow.add(R.id.action_cancel_upload);
 282             } else {
 283                 toHide.add(R.id.action_cancel_upload);
 284                 toShow.add(R.id.action_cancel_download);
 285             }
 286
 287         } else if (file != null && file.isDown()) {
 288             toHide.add(R.id.action_download_file);
 289             toHide.add(R.id.action_cancel_download);
 290             toHide.add(R.id.action_cancel_upload);
 291
 292             toShow.add(R.id.action_rename_file);
 293             toShow.add(R.id.action_remove_file);
 294             toShow.add(R.id.action_open_file_with);
 295             toShow.add(R.id.action_sync_file);
 296
 297         } else if (file != null) {
 298             toHide.add(R.id.action_open_file_with);
 299             toHide.add(R.id.action_cancel_download);
 300             toHide.add(R.id.action_cancel_upload);
 301             toHide.add(R.id.action_sync_file);
 302
 303             toShow.add(R.id.action_rename_file);
 304             toShow.add(R.id.action_remove_file);
 305             toShow.add(R.id.action_download_file);
 306
 307         } else {
 308             toHide.add(R.id.action_open_file_with);
 309             toHide.add(R.id.action_cancel_download);
 310             toHide.add(R.id.action_cancel_upload);
 311             toHide.add(R.id.action_sync_file);
 312             toHide.add(R.id.action_download_file);
 313             toHide.add(R.id.action_rename_file);
 314             toHide.add(R.id.action_remove_file);
 315
 316         }
 317
 318         // Options shareLink
 319         if (!file.isShareByLink()) {
 320             toHide.add(R.id.action_unshare_file);
 321         } else {
 322             toShow.add(R.id.action_unshare_file);
 323         }
 324
 325         MenuItem item = null;
 326         for (int i : toHide) {
 327             item = menu.findItem(i);
 328             if (item != null) {
 329                 item.setVisible(false);
 330                 item.setEnabled(false);
 331             }
 332         }
 333         for (int i : toShow) {
 334             item = menu.findItem(i);
 335             if (item != null) {
 336                 item.setVisible(true);
 337                 item.setEnabled(true);
 338             }
 339         }
 340     }
 341
 342
 343     /**
 344      * {@inheritDoc}
 345      */
 346     @Override
 347     public boolean onOptionsItemSelected(MenuItem item) {
 348         switch (item.getItemId()) {
 349             case R.id.action_share_file: {
 350                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 351                 activity.getFileOperationsHelper().shareFileWithLink(getFile(), activity);
 352                 return true;
 353             }
 354             case R.id.action_unshare_file: {
 355                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 356                 activity.getFileOperationsHelper().unshareFileWithLink(getFile(), activity);
 357                 return true;
 358             }
 359             case R.id.action_open_file_with: {
 360                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 361                 activity.getFileOperationsHelper().openFile(getFile(), activity);
 362                 return true;
 363             }
 364             case R.id.action_remove_file: {
 365                 removeFile();
 366                 return true;
 367             }
 368             case R.id.action_rename_file: {
 369                 renameFile();
 370                 return true;
 371             }
 372             case R.id.action_download_file:
 373             case R.id.action_cancel_download:
 374             case R.id.action_cancel_upload:
 375             case R.id.action_sync_file: {
 376                 synchronizeFile();
 377                 return true;
 378             }
 379             default:
 380                 return false;
 381         }
 382     }
 383
 384     @Override
 385     public void onClick(View v) {
 386         switch (v.getId()) {
 387             case R.id.fdKeepInSync: {
 388                 toggleKeepInSync();
 389                 break;
 390             }
 391             case R.id.fdCancelBtn: {
 392                 synchronizeFile();
 393                 break;
 394             }
 395             default:
 396                 Log_OC.e(TAG, "Incorrect view clicked!");
 397         }
 398     }
 399
 400
 401     private void toggleKeepInSync() {
 402         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 403         OCFile file = getFile();
 404         file.setKeepInSync(cb.isChecked());
 405         mStorageManager.saveFile(file);
 406
 407         /// register the OCFile instance in the observer service to monitor local updates;
 408         /// if necessary, the file is download
 409         Intent intent = new Intent(getActivity().getApplicationContext(),
 410                                    FileObserverService.class);
 411         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 412                    (cb.isChecked()?
 413                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 414                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 415         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, file);
 416         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 417         getActivity().startService(intent);
 418
 419         if (file.keepInSync()) {
 420             synchronizeFile();   // force an immediate synchronization
 421         }
 422     }
 423
 424     private void removeFile() {
 425         OCFile file = getFile();
 426         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 427                 R.string.confirmation_remove_alert,
 428                 new String[]{file.getFileName()},
 429                 file.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 430                 file.isDown() ? R.string.confirmation_remove_local : -1,
 431                 R.string.common_cancel);
 432         confDialog.setOnConfirmationListener(this);
 433         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 434     }
 435
 436
 437     private void renameFile() {
 438         OCFile file = getFile();
 439         String fileName = file.getFileName();
 440         int extensionStart = file.isFolder() ? -1 : fileName.lastIndexOf(".");
 441         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 442         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 443         dialog.show(getFragmentManager(), "nameeditdialog");
 444     }
 445
 446     private void synchronizeFile() {
 447         OCFile file = getFile();
 448         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 449         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 450         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 451             downloaderBinder.cancel(mAccount, file);
 452             if (file.isDown()) {
 453                 setButtonsForDown();
 454             } else {
 455                 setButtonsForRemote();
 456             }
 457
 458         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 459             uploaderBinder.cancel(mAccount, file);
 460             if (!file.fileExists()) {
 461                 // TODO make something better
 462                 ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 463
 464             } else if (file.isDown()) {
 465                 setButtonsForDown();
 466             } else {
 467                 setButtonsForRemote();
 468             }
 469
 470         } else {
 471             mLastRemoteOperation = new SynchronizeFileOperation(file, null, mStorageManager, mAccount, true, getActivity());
 472             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 473
 474             // update ui
 475             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 476
 477         }
 478     }
 479
 480     @Override
 481     public void onConfirmation(String callerTag) {
 482         OCFile file = getFile();
 483         if (callerTag.equals(FTAG_CONFIRMATION)) {
 484             if (mStorageManager.getFileById(file.getFileId()) != null) {
 485                 mLastRemoteOperation = new RemoveFileOperation( file,
 486                                                                 true,
 487                                                                 mStorageManager);
 488                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 489
 490                 ((FileDisplayActivity) getActivity()).showLoadingDialog();
 491             }
 492         }
 493     }
 494
 495     @Override
 496     public void onNeutral(String callerTag) {
 497         OCFile file = getFile();
 498         mStorageManager.removeFile(file, false, true);    // TODO perform in background task / new thread
 499         if (file.getStoragePath() != null) {
 500             file.setStoragePath(null);
 501             updateFileDetails(file, mAccount);
 502         }
 503     }
 504
 505     @Override
 506     public void onCancel(String callerTag) {
 507         Log_OC.d(TAG, "REMOVAL CANCELED");
 508     }
 509
 510
 511     /**
 512      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 513      *
 514      * @return  True when the fragment was created with the empty layout.
 515      */
 516     public boolean isEmpty() {
 517         return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
 518     }
 519
 520
 521     /**
 522      * Use this method to signal this Activity that it shall update its view.
 523      *
 524      * @param file : An {@link OCFile}
 525      */
 526     public void updateFileDetails(OCFile file, Account ocAccount) {
 527         setFile(file);
 528         if (ocAccount != null && (
 529                 mStorageManager == null ||
 530                 (mAccount != null && !mAccount.equals(ocAccount))
 531            )) {
 532             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 533         }
 534         mAccount = ocAccount;
 535         updateFileDetails(false, false);
 536     }
 537
 538     /**
 539      * Updates the view with all relevant details about that file.
 540      *
 541      * TODO Remove parameter when the transferring state of files is kept in database.
 542      *
 543      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 544      *
 545      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 546      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 547      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 548      *
 549      * @param refresh           If 'true', try to refresh the hold file from the database
 550      */
 551     public void updateFileDetails(boolean transferring, boolean refresh) {
 552
 553         if (readyToShow()) {
 554
 555             if (refresh && mStorageManager != null) {
 556                 setFile(mStorageManager.getFileByPath(getFile().getRemotePath()));
 557             }
 558             OCFile file = getFile();
 559
 560             // set file details
 561             setFilename(file.getFileName());
 562             setFiletype(file.getMimetype());
 563             setFilesize(file.getFileLength());
 564             if(ocVersionSupportsTimeCreated()){
 565                 setTimeCreated(file.getCreationTimestamp());
 566             }
 567
 568             setTimeModified(file.getModificationTimestamp());
 569
 570             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 571             cb.setChecked(file.keepInSync());
 572
 573             // configure UI for depending upon local state of the file
 574             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 575             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 576             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 577             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))) {
 578                 setButtonsForTransferring();
 579
 580             } else if (file.isDown()) {
 581
 582                 setButtonsForDown();
 583
 584             } else {
 585                 // TODO load default preview image; when the local file is removed, the preview remains there
 586                 setButtonsForRemote();
 587             }
 588         }
 589         getView().invalidate();
 590     }
 591
 592     /**
 593      * Checks if the fragment is ready to show details of a OCFile
 594      *
 595      * @return  'True' when the fragment is ready to show details of a file
 596      */
 597     private boolean readyToShow() {
 598         return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 599     }
 600
 601
 602     /**
 603      * Updates the filename in view
 604      * @param filename to set
 605      */
 606     private void setFilename(String filename) {
 607         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 608         if (tv != null)
 609             tv.setText(filename);
 610     }
 611
 612     /**
 613      * Updates the MIME type in view
 614      * @param mimetype to set
 615      */
 616     private void setFiletype(String mimetype) {
 617         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 618         if (tv != null) {
 619             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 620             tv.setText(printableMimetype);
 621         }
 622         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 623         if (iv != null) {
 624             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 625         }
 626     }
 627
 628     /**
 629      * Updates the file size in view
 630      * @param filesize in bytes to set
 631      */
 632     private void setFilesize(long filesize) {
 633         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 634         if (tv != null)
 635             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 636     }
 637
 638     /**
 639      * Updates the time that the file was created in view
 640      * @param milliseconds Unix time to set
 641      */
 642     private void setTimeCreated(long milliseconds){
 643         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 644         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 645         if(tv != null){
 646             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 647             tv.setVisibility(View.VISIBLE);
 648             tvLabel.setVisibility(View.VISIBLE);
 649         }
 650     }
 651
 652     /**
 653      * Updates the time that the file was last modified
 654      * @param milliseconds Unix time to set
 655      */
 656     private void setTimeModified(long milliseconds){
 657         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 658         if(tv != null){
 659             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 660         }
 661     }
 662
 663     /**
 664      * Enables or disables buttons for a file being downloaded
 665      */
 666     private void setButtonsForTransferring() {
 667         if (!isEmpty()) {
 668             // let's protect the user from himself ;)
 669             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 670
 671             // show the progress bar for the transfer
 672             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 673             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 674             progressText.setVisibility(View.VISIBLE);
 675             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 676             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 677             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
 678                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 679             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
 680                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 681             }
 682         }
 683     }
 684
 685     /**
 686      * Enables or disables buttons for a file locally available
 687      */
 688     private void setButtonsForDown() {
 689         if (!isEmpty()) {
 690             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 691
 692             // hides the progress bar
 693             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 694             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 695             progressText.setVisibility(View.GONE);
 696         }
 697     }
 698
 699     /**
 700      * Enables or disables buttons for a file not locally available
 701      */
 702     private void setButtonsForRemote() {
 703         if (!isEmpty()) {
 704             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 705
 706             // hides the progress bar
 707             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 708             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 709             progressText.setVisibility(View.GONE);
 710         }
 711     }
 712
 713
 714     /**
 715      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 716      * the time that the file was created. There is a chance that this will
 717      * be fixed in future versions. Use this method to check if this version of
 718      * ownCloud has this fix.
 719      * @return True, if ownCloud the ownCloud version is supporting creation time
 720      */
 721     private boolean ocVersionSupportsTimeCreated(){
 722         /*if(mAccount != null){
 723             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 724             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 725                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 726             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 727                 return true;
 728             }
 729         }*/
 730         return false;
 731     }
 732
 733
 734     /**
 735      * Once the file upload has finished -> update view
 736      *
 737      * Being notified about the finish of an upload is necessary for the next sequence:
 738      *   1. Upload a big file.
 739      *   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
 740      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 741      *   3. Click the file in the list to see its details.
 742      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 743      */
 744     private class UploadFinishReceiver extends BroadcastReceiver {
 745         @Override
 746         public void onReceive(Context context, Intent intent) {
 747             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 748
 749             if (!isEmpty() && accountName.equals(mAccount.name)) {
 750                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 751                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 752                 boolean renamedInUpload = getFile().getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 753                 if (getFile().getRemotePath().equals(uploadRemotePath) ||
 754                     renamedInUpload) {
 755                     if (uploadWasFine) {
 756                         setFile(mStorageManager.getFileByPath(uploadRemotePath));
 757                     }
 758                     if (renamedInUpload) {
 759                         String newName = (new File(uploadRemotePath)).getName();
 760                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 761                         msg.show();
 762                     }
 763                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 764
 765                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 766
 767                     // Force the preview if the file is an image
 768                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 769                         ((FileDisplayActivity) mContainerActivity).startImagePreview(getFile());
 770                     }
 771                 }
 772             }
 773         }
 774     }
 775
 776
 777     public void onDismiss(EditNameDialog dialog) {
 778         if (dialog.getResult()) {
 779             String newFilename = dialog.getNewFilename();
 780             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 781             mLastRemoteOperation = new RenameFileOperation( getFile(),
 782                                                             mAccount,
 783                                                             newFilename,
 784                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 785             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 786             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 787         }
 788     }
 789
 790
 791     /**
 792      * {@inheritDoc}
 793      */
 794     @Override
 795     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 796         if (operation.equals(mLastRemoteOperation)) {
 797             if (operation instanceof RemoveFileOperation) {
 798                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 799
 800             } else if (operation instanceof RenameFileOperation) {
 801                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 802
 803             } else if (operation instanceof SynchronizeFileOperation) {
 804                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 805             }
 806         }
 807     }
 808
 809
 810     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 811         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 812         if (result.isSuccess()) {
 813             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 814             msg.show();
 815             ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 816
 817         } else {
 818             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 819             msg.show();
 820             if (result.isSslRecoverableException()) {
 821                 // TODO show the SSL warning dialog
 822             }
 823         }
 824     }
 825
 826     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 827         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 828
 829         if (result.isSuccess()) {
 830             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 831             mContainerActivity.onFileStateChanged();
 832
 833         } else {
 834             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 835                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 836                 msg.show();
 837                 // TODO throw again the new rename dialog
 838             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
 839                 Toast msg = Toast.makeText(getActivity(), R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
 840                 msg.show();
 841             } else {
 842                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 843                 msg.show();
 844                 if (result.isSslRecoverableException()) {
 845                     // TODO show the SSL warning dialog
 846                 }
 847             }
 848         }
 849     }
 850
 851     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
 852         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 853         OCFile file = getFile();
 854         if (!result.isSuccess()) {
 855             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 856                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
 857                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, file);
 858                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
 859                 startActivity(i);
 860
 861             }
 862
 863             if (file.isDown()) {
 864                 setButtonsForDown();
 865
 866             } else {
 867                 setButtonsForRemote();
 868             }
 869
 870         } else {
 871             if (operation.transferWasRequested()) {
 872                 setButtonsForTransferring();
 873                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
 874                                                             // checking the service to see if the file is downloading results in FALSE
 875             } else {
 876                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
 877                 msg.show();
 878                 if (file.isDown()) {
 879                     setButtonsForDown();
 880
 881                 } else {
 882                     setButtonsForRemote();
 883                 }
 884             }
 885         }
 886     }
 887
 888
 889     public void listenForTransferProgress() {
 890         if (mProgressListener != null) {
 891             if (mContainerActivity.getFileDownloaderBinder() != null) {
 892                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 893             }
 894             if (mContainerActivity.getFileUploaderBinder() != null) {
 895                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 896             }
 897         }
 898     }
 899
 900
 901     public void leaveTransferProgress() {
 902         if (mProgressListener != null) {
 903             if (mContainerActivity.getFileDownloaderBinder() != null) {
 904                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 905             }
 906             if (mContainerActivity.getFileUploaderBinder() != null) {
 907                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 908             }
 909         }
 910     }
 911
 912
 913
 914     /**
 915      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 916      *
 917      * @author David A. Velasco
 918      */
 919     private class ProgressListener implements OnDatatransferProgressListener {
 920         int mLastPercent = 0;
 921         WeakReference<ProgressBar> mProgressBar = null;
 922
 923         ProgressListener(ProgressBar progressBar) {
 924             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 925         }
 926
 927         @Override
 928         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 929             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 930             if (percent != mLastPercent) {
 931                 ProgressBar pb = mProgressBar.get();
 932                 if (pb != null) {
 933                     pb.setProgress(percent);
 934                     pb.postInvalidate();
 935                 }
 936             }
 937             mLastPercent = percent;
 938         }
 939
 940     };
 941
 942 }