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