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.common.network.OnDatatransferProgressListener;
  54 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  55 import com.owncloud.android.lib.common.operations.RemoteOperation;
  56 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  57 import com.owncloud.android.lib.common.operations.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         // Send file
 257         item = menu.findItem(R.id.action_send_file);
 258         boolean sendEnabled = getString(R.string.send_files_to_other_apps).equalsIgnoreCase("on");
 259         if (item != null  && sendEnabled) {
 260             item.setVisible(true);
 261             item.setEnabled(true);
 262         } else {
 263             item.setVisible(false);
 264             item.setEnabled(false);
 265         }
 266     }
 267
 268
 269     /**
 270      * {@inheritDoc}
 271      */
 272     @Override
 273     public void onPrepareOptionsMenu (Menu menu) {
 274         super.onPrepareOptionsMenu(menu);
 275
 276         List<Integer> toHide = new ArrayList<Integer>();
 277         List<Integer> toShow = new ArrayList<Integer>();
 278         OCFile file = getFile();
 279
 280         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 281         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file);
 282         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 283         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile());
 284
 285         if (downloading || uploading) {
 286             toHide.add(R.id.action_download_file);
 287             toHide.add(R.id.action_rename_file);
 288             toHide.add(R.id.action_remove_file);
 289             toHide.add(R.id.action_open_file_with);
 290             if (!downloading) {
 291                 toHide.add(R.id.action_cancel_download);
 292                 toShow.add(R.id.action_cancel_upload);
 293             } else {
 294                 toHide.add(R.id.action_cancel_upload);
 295                 toShow.add(R.id.action_cancel_download);
 296             }
 297
 298         } else if (file != null && file.isDown()) {
 299             toHide.add(R.id.action_download_file);
 300             toHide.add(R.id.action_cancel_download);
 301             toHide.add(R.id.action_cancel_upload);
 302
 303             toShow.add(R.id.action_rename_file);
 304             toShow.add(R.id.action_remove_file);
 305             toShow.add(R.id.action_open_file_with);
 306             toShow.add(R.id.action_sync_file);
 307
 308         } else if (file != null) {
 309             toHide.add(R.id.action_open_file_with);
 310             toHide.add(R.id.action_cancel_download);
 311             toHide.add(R.id.action_cancel_upload);
 312             toHide.add(R.id.action_sync_file);
 313
 314             toShow.add(R.id.action_rename_file);
 315             toShow.add(R.id.action_remove_file);
 316             toShow.add(R.id.action_download_file);
 317
 318         } else {
 319             toHide.add(R.id.action_open_file_with);
 320             toHide.add(R.id.action_cancel_download);
 321             toHide.add(R.id.action_cancel_upload);
 322             toHide.add(R.id.action_sync_file);
 323             toHide.add(R.id.action_download_file);
 324             toHide.add(R.id.action_rename_file);
 325             toHide.add(R.id.action_remove_file);
 326
 327         }
 328
 329         // Options shareLink
 330         if (!file.isShareByLink()) {
 331             toHide.add(R.id.action_unshare_file);
 332         } else {
 333             toShow.add(R.id.action_unshare_file);
 334         }
 335
 336         MenuItem item = null;
 337         for (int i : toHide) {
 338             item = menu.findItem(i);
 339             if (item != null) {
 340                 item.setVisible(false);
 341                 item.setEnabled(false);
 342             }
 343         }
 344         for (int i : toShow) {
 345             item = menu.findItem(i);
 346             if (item != null) {
 347                 item.setVisible(true);
 348                 item.setEnabled(true);
 349             }
 350         }
 351     }
 352
 353
 354     /**
 355      * {@inheritDoc}
 356      */
 357     @Override
 358     public boolean onOptionsItemSelected(MenuItem item) {
 359         switch (item.getItemId()) {
 360             case R.id.action_share_file: {
 361                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 362                 activity.getFileOperationsHelper().shareFileWithLink(getFile(), activity);
 363                 return true;
 364             }
 365             case R.id.action_unshare_file: {
 366                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 367                 activity.getFileOperationsHelper().unshareFileWithLink(getFile(), activity);
 368                 return true;
 369             }
 370             case R.id.action_open_file_with: {
 371                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 372                 activity.getFileOperationsHelper().openFile(getFile(), activity);
 373                 return true;
 374             }
 375             case R.id.action_remove_file: {
 376                 removeFile();
 377                 return true;
 378             }
 379             case R.id.action_rename_file: {
 380                 renameFile();
 381                 return true;
 382             }
 383             case R.id.action_download_file:
 384             case R.id.action_cancel_download:
 385             case R.id.action_cancel_upload:
 386             case R.id.action_sync_file: {
 387                 synchronizeFile();
 388                 return true;
 389             }
 390             case R.id.action_send_file: {
 391                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 392                 // Obtain the file
 393                 if (!getFile().isDown()) {  // Download the file
 394                     //activity.showLoadingDialog();
 395                     Log_OC.d(TAG, getFile().getRemotePath() + " : File must be downloaded");
 396                     activity.startDownloadForSending(getFile());
 397
 398                 } else {
 399                     activity.getFileOperationsHelper().sendDownloadedFile(getFile(), activity);
 400                 }
 401                 return true;
 402             }
 403             default:
 404                 return false;
 405         }
 406     }
 407
 408     @Override
 409     public void onClick(View v) {
 410         switch (v.getId()) {
 411             case R.id.fdKeepInSync: {
 412                 toggleKeepInSync();
 413                 break;
 414             }
 415             case R.id.fdCancelBtn: {
 416                 synchronizeFile();
 417                 break;
 418             }
 419             default:
 420                 Log_OC.e(TAG, "Incorrect view clicked!");
 421         }
 422     }
 423
 424
 425     private void toggleKeepInSync() {
 426         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 427         OCFile file = getFile();
 428         file.setKeepInSync(cb.isChecked());
 429         mStorageManager.saveFile(file);
 430
 431         /// register the OCFile instance in the observer service to monitor local updates;
 432         /// if necessary, the file is download
 433         Intent intent = new Intent(getActivity().getApplicationContext(),
 434                                    FileObserverService.class);
 435         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 436                    (cb.isChecked()?
 437                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 438                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 439         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, file);
 440         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 441         getActivity().startService(intent);
 442
 443         if (file.keepInSync()) {
 444             synchronizeFile();   // force an immediate synchronization
 445         }
 446     }
 447
 448     private void removeFile() {
 449         OCFile file = getFile();
 450         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 451                 R.string.confirmation_remove_alert,
 452                 new String[]{file.getFileName()},
 453                 file.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 454                 file.isDown() ? R.string.confirmation_remove_local : -1,
 455                 R.string.common_cancel);
 456         confDialog.setOnConfirmationListener(this);
 457         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 458     }
 459
 460
 461     private void renameFile() {
 462         OCFile file = getFile();
 463         String fileName = file.getFileName();
 464         int extensionStart = file.isFolder() ? -1 : fileName.lastIndexOf(".");
 465         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 466         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 467         dialog.show(getFragmentManager(), "nameeditdialog");
 468     }
 469
 470     private void synchronizeFile() {
 471         OCFile file = getFile();
 472         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 473         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 474         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 475             downloaderBinder.cancel(mAccount, file);
 476             if (file.isDown()) {
 477                 setButtonsForDown();
 478             } else {
 479                 setButtonsForRemote();
 480             }
 481
 482         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 483             uploaderBinder.cancel(mAccount, file);
 484             if (!file.fileExists()) {
 485                 // TODO make something better
 486                 ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 487
 488             } else if (file.isDown()) {
 489                 setButtonsForDown();
 490             } else {
 491                 setButtonsForRemote();
 492             }
 493
 494         } else {
 495             mLastRemoteOperation = new SynchronizeFileOperation(file, null, mStorageManager, mAccount, true, getActivity());
 496             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 497
 498             // update ui
 499             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 500
 501         }
 502     }
 503
 504     @Override
 505     public void onConfirmation(String callerTag) {
 506         OCFile file = getFile();
 507         if (callerTag.equals(FTAG_CONFIRMATION)) {
 508             if (mStorageManager.getFileById(file.getFileId()) != null) {
 509                 mLastRemoteOperation = new RemoveFileOperation( file,
 510                                                                 true,
 511                                                                 mStorageManager);
 512                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 513
 514                 ((FileDisplayActivity) getActivity()).showLoadingDialog();
 515             }
 516         }
 517     }
 518
 519     @Override
 520     public void onNeutral(String callerTag) {
 521         OCFile file = getFile();
 522         mStorageManager.removeFile(file, false, true);    // TODO perform in background task / new thread
 523         if (file.getStoragePath() != null) {
 524             file.setStoragePath(null);
 525             updateFileDetails(file, mAccount);
 526         }
 527     }
 528
 529     @Override
 530     public void onCancel(String callerTag) {
 531         Log_OC.d(TAG, "REMOVAL CANCELED");
 532     }
 533
 534
 535     /**
 536      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 537      *
 538      * @return  True when the fragment was created with the empty layout.
 539      */
 540     public boolean isEmpty() {
 541         return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
 542     }
 543
 544
 545     /**
 546      * Use this method to signal this Activity that it shall update its view.
 547      *
 548      * @param file : An {@link OCFile}
 549      */
 550     public void updateFileDetails(OCFile file, Account ocAccount) {
 551         setFile(file);
 552         if (ocAccount != null && (
 553                 mStorageManager == null ||
 554                 (mAccount != null && !mAccount.equals(ocAccount))
 555            )) {
 556             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 557         }
 558         mAccount = ocAccount;
 559         updateFileDetails(false, false);
 560     }
 561
 562     /**
 563      * Updates the view with all relevant details about that file.
 564      *
 565      * TODO Remove parameter when the transferring state of files is kept in database.
 566      *
 567      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 568      *
 569      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 570      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 571      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 572      *
 573      * @param refresh           If 'true', try to refresh the hold file from the database
 574      */
 575     public void updateFileDetails(boolean transferring, boolean refresh) {
 576
 577         if (readyToShow()) {
 578
 579             if (refresh && mStorageManager != null) {
 580                 setFile(mStorageManager.getFileByPath(getFile().getRemotePath()));
 581             }
 582             OCFile file = getFile();
 583
 584             // set file details
 585             setFilename(file.getFileName());
 586             setFiletype(file.getMimetype());
 587             setFilesize(file.getFileLength());
 588             if(ocVersionSupportsTimeCreated()){
 589                 setTimeCreated(file.getCreationTimestamp());
 590             }
 591
 592             setTimeModified(file.getModificationTimestamp());
 593
 594             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 595             cb.setChecked(file.keepInSync());
 596
 597             // configure UI for depending upon local state of the file
 598             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 599             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 600             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 601             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))) {
 602                 setButtonsForTransferring();
 603
 604             } else if (file.isDown()) {
 605
 606                 setButtonsForDown();
 607
 608             } else {
 609                 // TODO load default preview image; when the local file is removed, the preview remains there
 610                 setButtonsForRemote();
 611             }
 612         }
 613         getView().invalidate();
 614     }
 615
 616     /**
 617      * Checks if the fragment is ready to show details of a OCFile
 618      *
 619      * @return  'True' when the fragment is ready to show details of a file
 620      */
 621     private boolean readyToShow() {
 622         return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 623     }
 624
 625
 626     /**
 627      * Updates the filename in view
 628      * @param filename to set
 629      */
 630     private void setFilename(String filename) {
 631         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 632         if (tv != null)
 633             tv.setText(filename);
 634     }
 635
 636     /**
 637      * Updates the MIME type in view
 638      * @param mimetype to set
 639      */
 640     private void setFiletype(String mimetype) {
 641         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 642         if (tv != null) {
 643             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 644             tv.setText(printableMimetype);
 645         }
 646         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 647         if (iv != null) {
 648             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 649         }
 650     }
 651
 652     /**
 653      * Updates the file size in view
 654      * @param filesize in bytes to set
 655      */
 656     private void setFilesize(long filesize) {
 657         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 658         if (tv != null)
 659             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 660     }
 661
 662     /**
 663      * Updates the time that the file was created in view
 664      * @param milliseconds Unix time to set
 665      */
 666     private void setTimeCreated(long milliseconds){
 667         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 668         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 669         if(tv != null){
 670             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 671             tv.setVisibility(View.VISIBLE);
 672             tvLabel.setVisibility(View.VISIBLE);
 673         }
 674     }
 675
 676     /**
 677      * Updates the time that the file was last modified
 678      * @param milliseconds Unix time to set
 679      */
 680     private void setTimeModified(long milliseconds){
 681         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 682         if(tv != null){
 683             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 684         }
 685     }
 686
 687     /**
 688      * Enables or disables buttons for a file being downloaded
 689      */
 690     private void setButtonsForTransferring() {
 691         if (!isEmpty()) {
 692             // let's protect the user from himself ;)
 693             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 694
 695             // show the progress bar for the transfer
 696             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 697             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 698             progressText.setVisibility(View.VISIBLE);
 699             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 700             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 701             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
 702                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 703             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
 704                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 705             }
 706         }
 707     }
 708
 709     /**
 710      * Enables or disables buttons for a file locally available
 711      */
 712     private void setButtonsForDown() {
 713         if (!isEmpty()) {
 714             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 715
 716             // hides the progress bar
 717             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 718             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 719             progressText.setVisibility(View.GONE);
 720         }
 721     }
 722
 723     /**
 724      * Enables or disables buttons for a file not locally available
 725      */
 726     private void setButtonsForRemote() {
 727         if (!isEmpty()) {
 728             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 729
 730             // hides the progress bar
 731             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 732             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 733             progressText.setVisibility(View.GONE);
 734         }
 735     }
 736
 737
 738     /**
 739      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 740      * the time that the file was created. There is a chance that this will
 741      * be fixed in future versions. Use this method to check if this version of
 742      * ownCloud has this fix.
 743      * @return True, if ownCloud the ownCloud version is supporting creation time
 744      */
 745     private boolean ocVersionSupportsTimeCreated(){
 746         /*if(mAccount != null){
 747             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 748             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 749                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 750             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 751                 return true;
 752             }
 753         }*/
 754         return false;
 755     }
 756
 757
 758     /**
 759      * Once the file upload has finished -> update view
 760      *
 761      * Being notified about the finish of an upload is necessary for the next sequence:
 762      *   1. Upload a big file.
 763      *   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
 764      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 765      *   3. Click the file in the list to see its details.
 766      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 767      */
 768     private class UploadFinishReceiver extends BroadcastReceiver {
 769         @Override
 770         public void onReceive(Context context, Intent intent) {
 771             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 772
 773             if (!isEmpty() && accountName.equals(mAccount.name)) {
 774                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 775                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 776                 boolean renamedInUpload = getFile().getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 777                 if (getFile().getRemotePath().equals(uploadRemotePath) ||
 778                     renamedInUpload) {
 779                     if (uploadWasFine) {
 780                         setFile(mStorageManager.getFileByPath(uploadRemotePath));
 781                     }
 782                     if (renamedInUpload) {
 783                         String newName = (new File(uploadRemotePath)).getName();
 784                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 785                         msg.show();
 786                     }
 787                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 788
 789                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 790
 791                     // Force the preview if the file is an image
 792                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 793                         ((FileDisplayActivity) mContainerActivity).startImagePreview(getFile());
 794                     }
 795                 }
 796             }
 797         }
 798     }
 799
 800
 801     public void onDismiss(EditNameDialog dialog) {
 802         if (dialog.getResult()) {
 803             String newFilename = dialog.getNewFilename();
 804             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 805             mLastRemoteOperation = new RenameFileOperation( getFile(),
 806                                                             mAccount,
 807                                                             newFilename,
 808                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 809             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 810             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 811         }
 812     }
 813
 814
 815     /**
 816      * {@inheritDoc}
 817      */
 818     @Override
 819     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 820         if (operation.equals(mLastRemoteOperation)) {
 821             if (operation instanceof RemoveFileOperation) {
 822                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 823
 824             } else if (operation instanceof RenameFileOperation) {
 825                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 826
 827             } else if (operation instanceof SynchronizeFileOperation) {
 828                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 829             }
 830         }
 831     }
 832
 833
 834     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 835         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 836         if (result.isSuccess()) {
 837             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 838             msg.show();
 839             ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 840
 841         } else {
 842             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 843             msg.show();
 844             if (result.isSslRecoverableException()) {
 845                 // TODO show the SSL warning dialog
 846             }
 847         }
 848     }
 849
 850     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 851         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 852
 853         if (result.isSuccess()) {
 854             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 855             mContainerActivity.onFileStateChanged();
 856
 857         } else {
 858             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 859                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 860                 msg.show();
 861                 // TODO throw again the new rename dialog
 862             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
 863                 Toast msg = Toast.makeText(getActivity(), R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
 864                 msg.show();
 865             } else {
 866                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 867                 msg.show();
 868                 if (result.isSslRecoverableException()) {
 869                     // TODO show the SSL warning dialog
 870                 }
 871             }
 872         }
 873     }
 874
 875     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
 876         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 877         OCFile file = getFile();
 878         if (!result.isSuccess()) {
 879             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 880                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
 881                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, file);
 882                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
 883                 startActivity(i);
 884
 885             }
 886
 887             if (file.isDown()) {
 888                 setButtonsForDown();
 889
 890             } else {
 891                 setButtonsForRemote();
 892             }
 893
 894         } else {
 895             if (operation.transferWasRequested()) {
 896                 setButtonsForTransferring();
 897                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
 898                                                             // checking the service to see if the file is downloading results in FALSE
 899             } else {
 900                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
 901                 msg.show();
 902                 if (file.isDown()) {
 903                     setButtonsForDown();
 904
 905                 } else {
 906                     setButtonsForRemote();
 907                 }
 908             }
 909         }
 910     }
 911
 912
 913     public void listenForTransferProgress() {
 914         if (mProgressListener != null) {
 915             if (mContainerActivity.getFileDownloaderBinder() != null) {
 916                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 917             }
 918             if (mContainerActivity.getFileUploaderBinder() != null) {
 919                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 920             }
 921         }
 922     }
 923
 924
 925     public void leaveTransferProgress() {
 926         if (mProgressListener != null) {
 927             if (mContainerActivity.getFileDownloaderBinder() != null) {
 928                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 929             }
 930             if (mContainerActivity.getFileUploaderBinder() != null) {
 931                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 932             }
 933         }
 934     }
 935
 936
 937
 938     /**
 939      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 940      *
 941      * @author David A. Velasco
 942      */
 943     private class ProgressListener implements OnDatatransferProgressListener {
 944         int mLastPercent = 0;
 945         WeakReference<ProgressBar> mProgressBar = null;
 946
 947         ProgressListener(ProgressBar progressBar) {
 948             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 949         }
 950
 951         @Override
 952         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 953             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 954             if (percent != mLastPercent) {
 955                 ProgressBar pb = mProgressBar.get();
 956                 if (pb != null) {
 957                     pb.setProgress(percent);
 958                     pb.postInvalidate();
 959                 }
 960             }
 961             mLastPercent = percent;
 962         }
 963
 964     };
 965
 966 }