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) {
 260             if (sendEnabled) {
 261                 item.setVisible(true);
 262                 item.setEnabled(true);
 263             } else {
 264                 item.setVisible(false);
 265                 item.setEnabled(false);
 266
 267             }
 268         }
 269     }
 270
 271
 272     /**
 273      * {@inheritDoc}
 274      */
 275     @Override
 276     public void onPrepareOptionsMenu (Menu menu) {
 277         super.onPrepareOptionsMenu(menu);
 278
 279         List<Integer> toHide = new ArrayList<Integer>();
 280         List<Integer> toShow = new ArrayList<Integer>();
 281         OCFile file = getFile();
 282
 283         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 284         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file);
 285         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 286         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile());
 287
 288         if (downloading || uploading) {
 289             toHide.add(R.id.action_download_file);
 290             toHide.add(R.id.action_rename_file);
 291             toHide.add(R.id.action_remove_file);
 292             toHide.add(R.id.action_open_file_with);
 293             if (!downloading) {
 294                 toHide.add(R.id.action_cancel_download);
 295                 toShow.add(R.id.action_cancel_upload);
 296             } else {
 297                 toHide.add(R.id.action_cancel_upload);
 298                 toShow.add(R.id.action_cancel_download);
 299             }
 300
 301         } else if (file != null && file.isDown()) {
 302             toHide.add(R.id.action_download_file);
 303             toHide.add(R.id.action_cancel_download);
 304             toHide.add(R.id.action_cancel_upload);
 305
 306             toShow.add(R.id.action_rename_file);
 307             toShow.add(R.id.action_remove_file);
 308             toShow.add(R.id.action_open_file_with);
 309             toShow.add(R.id.action_sync_file);
 310
 311         } else if (file != null) {
 312             toHide.add(R.id.action_open_file_with);
 313             toHide.add(R.id.action_cancel_download);
 314             toHide.add(R.id.action_cancel_upload);
 315             toHide.add(R.id.action_sync_file);
 316
 317             toShow.add(R.id.action_rename_file);
 318             toShow.add(R.id.action_remove_file);
 319             toShow.add(R.id.action_download_file);
 320
 321         } else {
 322             toHide.add(R.id.action_open_file_with);
 323             toHide.add(R.id.action_cancel_download);
 324             toHide.add(R.id.action_cancel_upload);
 325             toHide.add(R.id.action_sync_file);
 326             toHide.add(R.id.action_download_file);
 327             toHide.add(R.id.action_rename_file);
 328             toHide.add(R.id.action_remove_file);
 329
 330         }
 331
 332         // Options shareLink
 333         if (!file.isShareByLink()) {
 334             toHide.add(R.id.action_unshare_file);
 335         } else {
 336             toShow.add(R.id.action_unshare_file);
 337         }
 338
 339         MenuItem item = null;
 340         for (int i : toHide) {
 341             item = menu.findItem(i);
 342             if (item != null) {
 343                 item.setVisible(false);
 344                 item.setEnabled(false);
 345             }
 346         }
 347         for (int i : toShow) {
 348             item = menu.findItem(i);
 349             if (item != null) {
 350                 item.setVisible(true);
 351                 item.setEnabled(true);
 352             }
 353         }
 354     }
 355
 356
 357     /**
 358      * {@inheritDoc}
 359      */
 360     @Override
 361     public boolean onOptionsItemSelected(MenuItem item) {
 362         switch (item.getItemId()) {
 363             case R.id.action_share_file: {
 364                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 365                 activity.getFileOperationsHelper().shareFileWithLink(getFile(), activity);
 366                 return true;
 367             }
 368             case R.id.action_unshare_file: {
 369                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 370                 activity.getFileOperationsHelper().unshareFileWithLink(getFile(), activity);
 371                 return true;
 372             }
 373             case R.id.action_open_file_with: {
 374                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 375                 activity.getFileOperationsHelper().openFile(getFile(), activity);
 376                 return true;
 377             }
 378             case R.id.action_remove_file: {
 379                 removeFile();
 380                 return true;
 381             }
 382             case R.id.action_rename_file: {
 383                 renameFile();
 384                 return true;
 385             }
 386             case R.id.action_download_file:
 387             case R.id.action_cancel_download:
 388             case R.id.action_cancel_upload:
 389             case R.id.action_sync_file: {
 390                 synchronizeFile();
 391                 return true;
 392             }
 393             case R.id.action_send_file: {
 394                 FileDisplayActivity activity = (FileDisplayActivity) getSherlockActivity();
 395                 // Obtain the file
 396                 if (!getFile().isDown()) {  // Download the file
 397                     Log_OC.d(TAG, getFile().getRemotePath() + " : File must be downloaded");
 398                     activity.startDownloadForSending(getFile());
 399
 400                 } else {
 401                     activity.getFileOperationsHelper().sendDownloadedFile(getFile(), activity);
 402                 }
 403                 return true;
 404             }
 405             default:
 406                 return false;
 407         }
 408     }
 409
 410     @Override
 411     public void onClick(View v) {
 412         switch (v.getId()) {
 413             case R.id.fdKeepInSync: {
 414                 toggleKeepInSync();
 415                 break;
 416             }
 417             case R.id.fdCancelBtn: {
 418                 synchronizeFile();
 419                 break;
 420             }
 421             default:
 422                 Log_OC.e(TAG, "Incorrect view clicked!");
 423         }
 424     }
 425
 426
 427     private void toggleKeepInSync() {
 428         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 429         OCFile file = getFile();
 430         file.setKeepInSync(cb.isChecked());
 431         mStorageManager.saveFile(file);
 432
 433         /// register the OCFile instance in the observer service to monitor local updates;
 434         /// if necessary, the file is download
 435         Intent intent = new Intent(getActivity().getApplicationContext(),
 436                                    FileObserverService.class);
 437         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 438                    (cb.isChecked()?
 439                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 440                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 441         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, file);
 442         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 443         getActivity().startService(intent);
 444
 445         if (file.keepInSync()) {
 446             synchronizeFile();   // force an immediate synchronization
 447         }
 448     }
 449
 450     private void removeFile() {
 451         OCFile file = getFile();
 452         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 453                 R.string.confirmation_remove_alert,
 454                 new String[]{file.getFileName()},
 455                 file.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 456                 file.isDown() ? R.string.confirmation_remove_local : -1,
 457                 R.string.common_cancel);
 458         confDialog.setOnConfirmationListener(this);
 459         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 460     }
 461
 462
 463     private void renameFile() {
 464         OCFile file = getFile();
 465         String fileName = file.getFileName();
 466         int extensionStart = file.isFolder() ? -1 : fileName.lastIndexOf(".");
 467         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 468         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 469         dialog.show(getFragmentManager(), "nameeditdialog");
 470     }
 471
 472     private void synchronizeFile() {
 473         OCFile file = getFile();
 474         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 475         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 476         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 477             downloaderBinder.cancel(mAccount, file);
 478             if (file.isDown()) {
 479                 setButtonsForDown();
 480             } else {
 481                 setButtonsForRemote();
 482             }
 483
 484         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 485             uploaderBinder.cancel(mAccount, file);
 486             if (!file.fileExists()) {
 487                 // TODO make something better
 488                 ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 489
 490             } else if (file.isDown()) {
 491                 setButtonsForDown();
 492             } else {
 493                 setButtonsForRemote();
 494             }
 495
 496         } else {
 497             mLastRemoteOperation = new SynchronizeFileOperation(file, null, mStorageManager, mAccount, true, getActivity());
 498             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 499
 500             // update ui
 501             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 502
 503         }
 504     }
 505
 506     @Override
 507     public void onConfirmation(String callerTag) {
 508         OCFile file = getFile();
 509         if (callerTag.equals(FTAG_CONFIRMATION)) {
 510             if (mStorageManager.getFileById(file.getFileId()) != null) {
 511                 mLastRemoteOperation = new RemoveFileOperation( file,
 512                                                                 true,
 513                                                                 mStorageManager);
 514                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 515
 516                 ((FileDisplayActivity) getActivity()).showLoadingDialog();
 517             }
 518         }
 519     }
 520
 521     @Override
 522     public void onNeutral(String callerTag) {
 523         OCFile file = getFile();
 524         mStorageManager.removeFile(file, false, true);    // TODO perform in background task / new thread
 525         if (file.getStoragePath() != null) {
 526             file.setStoragePath(null);
 527             updateFileDetails(file, mAccount);
 528         }
 529     }
 530
 531     @Override
 532     public void onCancel(String callerTag) {
 533         Log_OC.d(TAG, "REMOVAL CANCELED");
 534     }
 535
 536
 537     /**
 538      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 539      *
 540      * @return  True when the fragment was created with the empty layout.
 541      */
 542     public boolean isEmpty() {
 543         return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
 544     }
 545
 546
 547     /**
 548      * Use this method to signal this Activity that it shall update its view.
 549      *
 550      * @param file : An {@link OCFile}
 551      */
 552     public void updateFileDetails(OCFile file, Account ocAccount) {
 553         setFile(file);
 554         if (ocAccount != null && (
 555                 mStorageManager == null ||
 556                 (mAccount != null && !mAccount.equals(ocAccount))
 557            )) {
 558             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 559         }
 560         mAccount = ocAccount;
 561         updateFileDetails(false, false);
 562     }
 563
 564     /**
 565      * Updates the view with all relevant details about that file.
 566      *
 567      * TODO Remove parameter when the transferring state of files is kept in database.
 568      *
 569      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 570      *
 571      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 572      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 573      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 574      *
 575      * @param refresh           If 'true', try to refresh the hold file from the database
 576      */
 577     public void updateFileDetails(boolean transferring, boolean refresh) {
 578
 579         if (readyToShow()) {
 580
 581             if (refresh && mStorageManager != null) {
 582                 setFile(mStorageManager.getFileByPath(getFile().getRemotePath()));
 583             }
 584             OCFile file = getFile();
 585
 586             // set file details
 587             setFilename(file.getFileName());
 588             setFiletype(file.getMimetype());
 589             setFilesize(file.getFileLength());
 590             if(ocVersionSupportsTimeCreated()){
 591                 setTimeCreated(file.getCreationTimestamp());
 592             }
 593
 594             setTimeModified(file.getModificationTimestamp());
 595
 596             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 597             cb.setChecked(file.keepInSync());
 598
 599             // configure UI for depending upon local state of the file
 600             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 601             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 602             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 603             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))) {
 604                 setButtonsForTransferring();
 605
 606             } else if (file.isDown()) {
 607
 608                 setButtonsForDown();
 609
 610             } else {
 611                 // TODO load default preview image; when the local file is removed, the preview remains there
 612                 setButtonsForRemote();
 613             }
 614         }
 615         getView().invalidate();
 616     }
 617
 618     /**
 619      * Checks if the fragment is ready to show details of a OCFile
 620      *
 621      * @return  'True' when the fragment is ready to show details of a file
 622      */
 623     private boolean readyToShow() {
 624         return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 625     }
 626
 627
 628     /**
 629      * Updates the filename in view
 630      * @param filename to set
 631      */
 632     private void setFilename(String filename) {
 633         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 634         if (tv != null)
 635             tv.setText(filename);
 636     }
 637
 638     /**
 639      * Updates the MIME type in view
 640      * @param mimetype to set
 641      */
 642     private void setFiletype(String mimetype) {
 643         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 644         if (tv != null) {
 645             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 646             tv.setText(printableMimetype);
 647         }
 648         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 649         if (iv != null) {
 650             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 651         }
 652     }
 653
 654     /**
 655      * Updates the file size in view
 656      * @param filesize in bytes to set
 657      */
 658     private void setFilesize(long filesize) {
 659         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 660         if (tv != null)
 661             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 662     }
 663
 664     /**
 665      * Updates the time that the file was created in view
 666      * @param milliseconds Unix time to set
 667      */
 668     private void setTimeCreated(long milliseconds){
 669         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 670         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 671         if(tv != null){
 672             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 673             tv.setVisibility(View.VISIBLE);
 674             tvLabel.setVisibility(View.VISIBLE);
 675         }
 676     }
 677
 678     /**
 679      * Updates the time that the file was last modified
 680      * @param milliseconds Unix time to set
 681      */
 682     private void setTimeModified(long milliseconds){
 683         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 684         if(tv != null){
 685             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 686         }
 687     }
 688
 689     /**
 690      * Enables or disables buttons for a file being downloaded
 691      */
 692     private void setButtonsForTransferring() {
 693         if (!isEmpty()) {
 694             // let's protect the user from himself ;)
 695             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 696
 697             // show the progress bar for the transfer
 698             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 699             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 700             progressText.setVisibility(View.VISIBLE);
 701             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 702             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 703             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
 704                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 705             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
 706                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 707             }
 708         }
 709     }
 710
 711     /**
 712      * Enables or disables buttons for a file locally available
 713      */
 714     private void setButtonsForDown() {
 715         if (!isEmpty()) {
 716             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 717
 718             // hides the progress bar
 719             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 720             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 721             progressText.setVisibility(View.GONE);
 722         }
 723     }
 724
 725     /**
 726      * Enables or disables buttons for a file not locally available
 727      */
 728     private void setButtonsForRemote() {
 729         if (!isEmpty()) {
 730             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 731
 732             // hides the progress bar
 733             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 734             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 735             progressText.setVisibility(View.GONE);
 736         }
 737     }
 738
 739
 740     /**
 741      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 742      * the time that the file was created. There is a chance that this will
 743      * be fixed in future versions. Use this method to check if this version of
 744      * ownCloud has this fix.
 745      * @return True, if ownCloud the ownCloud version is supporting creation time
 746      */
 747     private boolean ocVersionSupportsTimeCreated(){
 748         /*if(mAccount != null){
 749             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 750             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 751                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 752             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 753                 return true;
 754             }
 755         }*/
 756         return false;
 757     }
 758
 759
 760     /**
 761      * Once the file upload has finished -> update view
 762      *
 763      * Being notified about the finish of an upload is necessary for the next sequence:
 764      *   1. Upload a big file.
 765      *   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
 766      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 767      *   3. Click the file in the list to see its details.
 768      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 769      */
 770     private class UploadFinishReceiver extends BroadcastReceiver {
 771         @Override
 772         public void onReceive(Context context, Intent intent) {
 773             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 774
 775             if (!isEmpty() && accountName.equals(mAccount.name)) {
 776                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 777                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 778                 boolean renamedInUpload = getFile().getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 779                 if (getFile().getRemotePath().equals(uploadRemotePath) ||
 780                     renamedInUpload) {
 781                     if (uploadWasFine) {
 782                         setFile(mStorageManager.getFileByPath(uploadRemotePath));
 783                     }
 784                     if (renamedInUpload) {
 785                         String newName = (new File(uploadRemotePath)).getName();
 786                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 787                         msg.show();
 788                     }
 789                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 790
 791                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 792
 793                     // Force the preview if the file is an image
 794                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
 795                         ((FileDisplayActivity) mContainerActivity).startImagePreview(getFile());
 796                     }
 797                 }
 798             }
 799         }
 800     }
 801
 802
 803     public void onDismiss(EditNameDialog dialog) {
 804         if (dialog.getResult()) {
 805             String newFilename = dialog.getNewFilename();
 806             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 807             mLastRemoteOperation = new RenameFileOperation( getFile(),
 808                                                             mAccount,
 809                                                             newFilename,
 810                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 811             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 812             ((FileDisplayActivity) getActivity()).showLoadingDialog();
 813         }
 814     }
 815
 816
 817     /**
 818      * {@inheritDoc}
 819      */
 820     @Override
 821     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 822         if (operation.equals(mLastRemoteOperation)) {
 823             if (operation instanceof RemoveFileOperation) {
 824                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 825
 826             } else if (operation instanceof RenameFileOperation) {
 827                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 828
 829             } else if (operation instanceof SynchronizeFileOperation) {
 830                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 831             }
 832         }
 833     }
 834
 835
 836     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 837         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 838         if (result.isSuccess()) {
 839             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 840             msg.show();
 841             ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 842
 843         } else {
 844             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 845             msg.show();
 846             if (result.isSslRecoverableException()) {
 847                 // TODO show the SSL warning dialog
 848             }
 849         }
 850     }
 851
 852     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 853         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 854
 855         if (result.isSuccess()) {
 856             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 857             mContainerActivity.onFileStateChanged();
 858
 859         } else {
 860             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 861                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 862                 msg.show();
 863                 // TODO throw again the new rename dialog
 864             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
 865                 Toast msg = Toast.makeText(getActivity(), R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
 866                 msg.show();
 867             } else {
 868                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 869                 msg.show();
 870                 if (result.isSslRecoverableException()) {
 871                     // TODO show the SSL warning dialog
 872                 }
 873             }
 874         }
 875     }
 876
 877     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
 878         ((FileDisplayActivity) getActivity()).dismissLoadingDialog();
 879         OCFile file = getFile();
 880         if (!result.isSuccess()) {
 881             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 882                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
 883                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, file);
 884                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
 885                 startActivity(i);
 886
 887             }
 888
 889             if (file.isDown()) {
 890                 setButtonsForDown();
 891
 892             } else {
 893                 setButtonsForRemote();
 894             }
 895
 896         } else {
 897             if (operation.transferWasRequested()) {
 898                 setButtonsForTransferring();
 899                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
 900                                                             // checking the service to see if the file is downloading results in FALSE
 901             } else {
 902                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
 903                 msg.show();
 904                 if (file.isDown()) {
 905                     setButtonsForDown();
 906
 907                 } else {
 908                     setButtonsForRemote();
 909                 }
 910             }
 911         }
 912     }
 913
 914
 915     public void listenForTransferProgress() {
 916         if (mProgressListener != null) {
 917             if (mContainerActivity.getFileDownloaderBinder() != null) {
 918                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 919             }
 920             if (mContainerActivity.getFileUploaderBinder() != null) {
 921                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 922             }
 923         }
 924     }
 925
 926
 927     public void leaveTransferProgress() {
 928         if (mProgressListener != null) {
 929             if (mContainerActivity.getFileDownloaderBinder() != null) {
 930                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 931             }
 932             if (mContainerActivity.getFileUploaderBinder() != null) {
 933                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 934             }
 935         }
 936     }
 937
 938
 939
 940     /**
 941      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 942      *
 943      * @author David A. Velasco
 944      */
 945     private class ProgressListener implements OnDatatransferProgressListener {
 946         int mLastPercent = 0;
 947         WeakReference<ProgressBar> mProgressBar = null;
 948
 949         ProgressListener(ProgressBar progressBar) {
 950             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 951         }
 952
 953         @Override
 954         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 955             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 956             if (percent != mLastPercent) {
 957                 ProgressBar pb = mProgressBar.get();
 958                 if (pb != null) {
 959                     pb.setProgress(percent);
 960                     pb.postInvalidate();
 961                 }
 962             }
 963             mLastPercent = percent;
 964         }
 965
 966     };
 967
 968 }