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.support.v4.app.FragmentTransaction;
  34 import android.view.LayoutInflater;
  35 import android.view.View;
  36 import android.view.View.OnClickListener;
  37 import android.view.ViewGroup;
  38 import android.widget.CheckBox;
  39 import android.widget.ImageView;
  40 import android.widget.ProgressBar;
  41 import android.widget.TextView;
  42 import android.widget.Toast;
  43
  44 import com.actionbarsherlock.view.Menu;
  45 import com.actionbarsherlock.view.MenuInflater;
  46 import com.actionbarsherlock.view.MenuItem;
  47 import com.owncloud.android.DisplayUtils;
  48 import com.owncloud.android.Log_OC;
  49 import com.owncloud.android.datamodel.FileDataStorageManager;
  50 import com.owncloud.android.datamodel.OCFile;
  51 import com.owncloud.android.files.services.FileObserverService;
  52 import com.owncloud.android.files.services.FileUploader;
  53 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  54 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  55 import com.owncloud.android.operations.OnRemoteOperationListener;
  56 import com.owncloud.android.operations.RemoteOperation;
  57 import com.owncloud.android.operations.RemoteOperationResult;
  58 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  59 import com.owncloud.android.operations.RemoveFileOperation;
  60 import com.owncloud.android.operations.RenameFileOperation;
  61 import com.owncloud.android.operations.SynchronizeFileOperation;
  62 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  63 import com.owncloud.android.ui.activity.FileActivity;
  64 import com.owncloud.android.ui.activity.FileDisplayActivity;
  65 import com.owncloud.android.ui.dialog.EditNameDialog;
  66 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  67
  68 import com.owncloud.android.R;
  69
  70 import eu.alefzero.webdav.OnDatatransferProgressListener;
  71
  72 /**
  73  * This Fragment is used to display the details about a file.
  74  *
  75  * @author Bartek Przybylski
  76  * @author David A. Velasco
  77  */
  78 public class FileDetailFragment extends FileFragment implements
  79         OnClickListener,
  80         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener {
  81
  82     private FileFragment.ContainerActivity mContainerActivity;
  83
  84     private int mLayout;
  85     private View mView;
  86     private Account mAccount;
  87     private FileDataStorageManager mStorageManager;
  88
  89     private UploadFinishReceiver mUploadFinishReceiver;
  90     public ProgressListener mProgressListener;
  91
  92     private Handler mHandler;
  93     private RemoteOperation mLastRemoteOperation;
  94
  95     private static final String TAG = FileDetailFragment.class.getSimpleName();
  96     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
  97
  98
  99     /**
 100      * Creates an empty details fragment.
 101      *
 102      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 103      */
 104     public FileDetailFragment() {
 105         super();
 106         mAccount = null;
 107         mStorageManager = null;
 108         mLayout = R.layout.file_details_empty;
 109         mProgressListener = null;
 110     }
 111
 112     /**
 113      * Creates a details fragment.
 114      *
 115      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 116      *
 117      * @param fileToDetail      An {@link OCFile} to show in the fragment
 118      * @param ocAccount         An ownCloud account; needed to start downloads
 119      */
 120     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 121         super(fileToDetail);
 122         mAccount = ocAccount;
 123         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 124         mLayout = R.layout.file_details_empty;
 125         mProgressListener = null;
 126     }
 127
 128
 129     @Override
 130     public void onCreate(Bundle savedInstanceState) {
 131         super.onCreate(savedInstanceState);
 132         mHandler = new Handler();
 133         setHasOptionsMenu(true);
 134     }
 135
 136
 137     @Override
 138     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 139             Bundle savedInstanceState) {
 140         //super.onCreateView(inflater, container, savedInstanceState);
 141
 142         if (savedInstanceState != null) {
 143             setFile((OCFile)savedInstanceState.getParcelable(FileActivity.EXTRA_FILE));
 144             mAccount = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
 145         }
 146
 147         if(getFile() != null && mAccount != null) {
 148             mLayout = R.layout.file_details_fragment;
 149         }
 150
 151         View view = null;
 152         //view = inflater.inflate(mLayout, container, false);
 153         view = inflater.inflate(mLayout, null);
 154         mView = view;
 155
 156         if (mLayout == R.layout.file_details_fragment) {
 157             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 158             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 159             mProgressListener = new ProgressListener(progressBar);
 160             mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
 161         }
 162
 163         updateFileDetails(false, false);
 164         return view;
 165     }
 166
 167     /**
 168      * {@inheritDoc}
 169      */
 170     @Override
 171     public void onAttach(Activity activity) {
 172         super.onAttach(activity);
 173         try {
 174             mContainerActivity = (ContainerActivity) activity;
 175
 176         } catch (ClassCastException e) {
 177             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 178         }
 179     }
 180
 181
 182     /**
 183      * {@inheritDoc}
 184      */
 185     @Override
 186     public void onActivityCreated(Bundle savedInstanceState) {
 187         super.onActivityCreated(savedInstanceState);
 188         if (mAccount != null) {
 189             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 190         }
 191     }
 192
 193
 194     @Override
 195     public void onSaveInstanceState(Bundle outState) {
 196         super.onSaveInstanceState(outState);
 197         outState.putParcelable(FileActivity.EXTRA_FILE, getFile());
 198         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
 199     }
 200
 201     @Override
 202     public void onStart() {
 203         super.onStart();
 204         listenForTransferProgress();
 205     }
 206
 207     @Override
 208     public void onResume() {
 209         super.onResume();
 210         mUploadFinishReceiver = new UploadFinishReceiver();
 211         IntentFilter filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 212         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 213
 214     }
 215
 216
 217     @Override
 218     public void onPause() {
 219         super.onPause();
 220         if (mUploadFinishReceiver != null) {
 221             getActivity().unregisterReceiver(mUploadFinishReceiver);
 222             mUploadFinishReceiver = null;
 223         }
 224     }
 225
 226
 227     @Override
 228     public void onStop() {
 229         super.onStop();
 230         leaveTransferProgress();
 231     }
 232
 233
 234     @Override
 235     public View getView() {
 236         return super.getView() == null ? mView : super.getView();
 237     }
 238
 239
 240     /**
 241      * {@inheritDoc}
 242      */
 243     @Override
 244     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 245         super.onCreateOptionsMenu(menu, inflater);
 246         inflater.inflate(R.menu.file_actions_menu, menu);
 247         MenuItem item = menu.findItem(R.id.action_see_details);
 248         if (item != null) {
 249             item.setVisible(false);
 250             item.setEnabled(false);
 251         }
 252     }
 253
 254
 255     /**
 256      * {@inheritDoc}
 257      */
 258     @Override
 259     public void onPrepareOptionsMenu (Menu menu) {
 260         super.onPrepareOptionsMenu(menu);
 261
 262         List<Integer> toHide = new ArrayList<Integer>();
 263         List<Integer> toShow = new ArrayList<Integer>();
 264         OCFile file = getFile();
 265
 266         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 267         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file);
 268         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 269         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile());
 270
 271         if (downloading || uploading) {
 272             toHide.add(R.id.action_download_file);
 273             toHide.add(R.id.action_rename_file);
 274             toHide.add(R.id.action_remove_file);
 275             toHide.add(R.id.action_open_file_with);
 276             if (!downloading) {
 277                 toHide.add(R.id.action_cancel_download);
 278                 toShow.add(R.id.action_cancel_upload);
 279             } else {
 280                 toHide.add(R.id.action_cancel_upload);
 281                 toShow.add(R.id.action_cancel_download);
 282             }
 283
 284         } else if (file != null && file.isDown()) {
 285             toHide.add(R.id.action_download_file);
 286             toHide.add(R.id.action_cancel_download);
 287             toHide.add(R.id.action_cancel_upload);
 288
 289             toShow.add(R.id.action_rename_file);
 290             toShow.add(R.id.action_remove_file);
 291             toShow.add(R.id.action_open_file_with);
 292             toShow.add(R.id.action_sync_file);
 293
 294         } else if (file != null) {
 295             toHide.add(R.id.action_open_file_with);
 296             toHide.add(R.id.action_cancel_download);
 297             toHide.add(R.id.action_cancel_upload);
 298             toHide.add(R.id.action_sync_file);
 299
 300             toShow.add(R.id.action_rename_file);
 301             toShow.add(R.id.action_remove_file);
 302             toShow.add(R.id.action_download_file);
 303
 304         } else {
 305             toHide.add(R.id.action_open_file_with);
 306             toHide.add(R.id.action_cancel_download);
 307             toHide.add(R.id.action_cancel_upload);
 308             toHide.add(R.id.action_sync_file);
 309             toHide.add(R.id.action_download_file);
 310             toHide.add(R.id.action_rename_file);
 311             toHide.add(R.id.action_remove_file);
 312
 313         }
 314
 315         MenuItem item = null;
 316         for (int i : toHide) {
 317             item = menu.findItem(i);
 318             if (item != null) {
 319                 item.setVisible(false);
 320                 item.setEnabled(false);
 321             }
 322         }
 323         for (int i : toShow) {
 324             item = menu.findItem(i);
 325             if (item != null) {
 326                 item.setVisible(true);
 327                 item.setEnabled(true);
 328             }
 329         }
 330     }
 331
 332
 333     /**
 334      * {@inheritDoc}
 335      */
 336     @Override
 337     public boolean onOptionsItemSelected(MenuItem item) {
 338         switch (item.getItemId()) {
 339             case R.id.action_open_file_with: {
 340                 mContainerActivity.openFile(getFile());
 341                 return true;
 342             }
 343             case R.id.action_remove_file: {
 344                 removeFile();
 345                 return true;
 346             }
 347             case R.id.action_rename_file: {
 348                 renameFile();
 349                 return true;
 350             }
 351             case R.id.action_download_file:
 352             case R.id.action_cancel_download:
 353             case R.id.action_cancel_upload:
 354             case R.id.action_sync_file: {
 355                 synchronizeFile();
 356                 return true;
 357             }
 358             default:
 359                 return false;
 360         }
 361     }
 362
 363     @Override
 364     public void onClick(View v) {
 365         switch (v.getId()) {
 366             case R.id.fdKeepInSync: {
 367                 toggleKeepInSync();
 368                 break;
 369             }
 370             case R.id.fdCancelBtn: {
 371                 synchronizeFile();
 372                 break;
 373             }
 374             default:
 375                 Log_OC.e(TAG, "Incorrect view clicked!");
 376         }
 377     }
 378
 379
 380     private void toggleKeepInSync() {
 381         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 382         OCFile file = getFile();
 383         file.setKeepInSync(cb.isChecked());
 384         mStorageManager.saveFile(file);
 385
 386         /// register the OCFile instance in the observer service to monitor local updates;
 387         /// if necessary, the file is download
 388         Intent intent = new Intent(getActivity().getApplicationContext(),
 389                                    FileObserverService.class);
 390         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 391                    (cb.isChecked()?
 392                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 393                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 394         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, file);
 395         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 396         getActivity().startService(intent);
 397
 398         if (file.keepInSync()) {
 399             synchronizeFile();   // force an immediate synchronization
 400         }
 401     }
 402
 403
 404     private void removeFile() {
 405         OCFile file = getFile();
 406         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 407                 R.string.confirmation_remove_alert,
 408                 new String[]{file.getFileName()},
 409                 file.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 410                 file.isDown() ? R.string.confirmation_remove_local : -1,
 411                 R.string.common_cancel);
 412         confDialog.setOnConfirmationListener(this);
 413         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 414     }
 415
 416
 417     private void renameFile() {
 418         OCFile file = getFile();
 419         String fileName = file.getFileName();
 420         int extensionStart = file.isDirectory() ? -1 : fileName.lastIndexOf(".");
 421         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 422         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 423         dialog.show(getFragmentManager(), "nameeditdialog");
 424     }
 425
 426     private void synchronizeFile() {
 427         OCFile file = getFile();
 428         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 429         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 430         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 431             downloaderBinder.cancel(mAccount, file);
 432             if (file.isDown()) {
 433                 setButtonsForDown();
 434             } else {
 435                 setButtonsForRemote();
 436             }
 437
 438         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 439             uploaderBinder.cancel(mAccount, file);
 440             if (!file.fileExists()) {
 441                 // TODO make something better
 442                 ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 443
 444             } else if (file.isDown()) {
 445                 setButtonsForDown();
 446             } else {
 447                 setButtonsForRemote();
 448             }
 449
 450         } else {
 451             mLastRemoteOperation = new SynchronizeFileOperation(file, null, mStorageManager, mAccount, true, false, getActivity());
 452             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 453
 454             // update ui
 455             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 456             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 457
 458         }
 459     }
 460
 461     @Override
 462     public void onConfirmation(String callerTag) {
 463         OCFile file = getFile();
 464         if (callerTag.equals(FTAG_CONFIRMATION)) {
 465             if (mStorageManager.getFileById(file.getFileId()) != null) {
 466                 mLastRemoteOperation = new RemoveFileOperation( file,
 467                                                                 true,
 468                                                                 mStorageManager);
 469                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 470
 471                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 472                 getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 473             }
 474         }
 475     }
 476
 477     @Override
 478     public void onNeutral(String callerTag) {
 479         File f = null;
 480         OCFile file = getFile();
 481         if (file.isDown() && (f = new File(file.getStoragePath())).exists()) {
 482             f.delete();
 483             file.setStoragePath(null);
 484             mStorageManager.saveFile(file);
 485             updateFileDetails(file, mAccount);
 486         }
 487     }
 488
 489     @Override
 490     public void onCancel(String callerTag) {
 491         Log_OC.d(TAG, "REMOVAL CANCELED");
 492     }
 493
 494
 495     /**
 496      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 497      *
 498      * @return  True when the fragment was created with the empty layout.
 499      */
 500     public boolean isEmpty() {
 501         return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
 502     }
 503
 504
 505     /**
 506      * Use this method to signal this Activity that it shall update its view.
 507      *
 508      * @param file : An {@link OCFile}
 509      */
 510     public void updateFileDetails(OCFile file, Account ocAccount) {
 511         setFile(file);
 512         if (ocAccount != null && (
 513                 mStorageManager == null ||
 514                 (mAccount != null && !mAccount.equals(ocAccount))
 515            )) {
 516             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 517         }
 518         mAccount = ocAccount;
 519         updateFileDetails(false, false);
 520     }
 521
 522     /**
 523      * Updates the view with all relevant details about that file.
 524      *
 525      * TODO Remove parameter when the transferring state of files is kept in database.
 526      *
 527      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 528      *
 529      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 530      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 531      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 532      *
 533      * @param refresh           If 'true', try to refresh the hold file from the database
 534      */
 535     public void updateFileDetails(boolean transferring, boolean refresh) {
 536
 537         if (readyToShow()) {
 538
 539             if (refresh && mStorageManager != null) {
 540                 setFile(mStorageManager.getFileByPath(getFile().getRemotePath()));
 541             }
 542             OCFile file = getFile();
 543
 544             // set file details
 545             setFilename(file.getFileName());
 546             setFiletype(file.getMimetype());
 547             setFilesize(file.getFileLength());
 548             if(ocVersionSupportsTimeCreated()){
 549                 setTimeCreated(file.getCreationTimestamp());
 550             }
 551
 552             setTimeModified(file.getModificationTimestamp());
 553
 554             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 555             cb.setChecked(file.keepInSync());
 556
 557             // configure UI for depending upon local state of the file
 558             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 559             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 560             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 561             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))) {
 562                 setButtonsForTransferring();
 563
 564             } else if (file.isDown()) {
 565
 566                 setButtonsForDown();
 567
 568             } else {
 569                 // TODO load default preview image; when the local file is removed, the preview remains there
 570                 setButtonsForRemote();
 571             }
 572         }
 573         getView().invalidate();
 574     }
 575
 576     /**
 577      * Checks if the fragment is ready to show details of a OCFile
 578      *
 579      * @return  'True' when the fragment is ready to show details of a file
 580      */
 581     private boolean readyToShow() {
 582         return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 583     }
 584
 585
 586     /**
 587      * Updates the filename in view
 588      * @param filename to set
 589      */
 590     private void setFilename(String filename) {
 591         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 592         if (tv != null)
 593             tv.setText(filename);
 594     }
 595
 596     /**
 597      * Updates the MIME type in view
 598      * @param mimetype to set
 599      */
 600     private void setFiletype(String mimetype) {
 601         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 602         if (tv != null) {
 603             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 604             tv.setText(printableMimetype);
 605         }
 606         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 607         if (iv != null) {
 608             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 609         }
 610     }
 611
 612     /**
 613      * Updates the file size in view
 614      * @param filesize in bytes to set
 615      */
 616     private void setFilesize(long filesize) {
 617         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 618         if (tv != null)
 619             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 620     }
 621
 622     /**
 623      * Updates the time that the file was created in view
 624      * @param milliseconds Unix time to set
 625      */
 626     private void setTimeCreated(long milliseconds){
 627         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 628         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 629         if(tv != null){
 630             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 631             tv.setVisibility(View.VISIBLE);
 632             tvLabel.setVisibility(View.VISIBLE);
 633         }
 634     }
 635
 636     /**
 637      * Updates the time that the file was last modified
 638      * @param milliseconds Unix time to set
 639      */
 640     private void setTimeModified(long milliseconds){
 641         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 642         if(tv != null){
 643             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 644         }
 645     }
 646
 647     /**
 648      * Enables or disables buttons for a file being downloaded
 649      */
 650     private void setButtonsForTransferring() {
 651         if (!isEmpty()) {
 652             // let's protect the user from himself ;)
 653             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 654
 655             // show the progress bar for the transfer
 656             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 657             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 658             progressText.setVisibility(View.VISIBLE);
 659             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 660             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 661             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
 662                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 663             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
 664                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 665             }
 666         }
 667     }
 668
 669     /**
 670      * Enables or disables buttons for a file locally available
 671      */
 672     private void setButtonsForDown() {
 673         if (!isEmpty()) {
 674             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 675
 676             // hides the progress bar
 677             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 678             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 679             progressText.setVisibility(View.GONE);
 680         }
 681     }
 682
 683     /**
 684      * Enables or disables buttons for a file not locally available
 685      */
 686     private void setButtonsForRemote() {
 687         if (!isEmpty()) {
 688             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 689
 690             // hides the progress bar
 691             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 692             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 693             progressText.setVisibility(View.GONE);
 694         }
 695     }
 696
 697
 698     /**
 699      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 700      * the time that the file was created. There is a chance that this will
 701      * be fixed in future versions. Use this method to check if this version of
 702      * ownCloud has this fix.
 703      * @return True, if ownCloud the ownCloud version is supporting creation time
 704      */
 705     private boolean ocVersionSupportsTimeCreated(){
 706         /*if(mAccount != null){
 707             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 708             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 709                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 710             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 711                 return true;
 712             }
 713         }*/
 714         return false;
 715     }
 716
 717
 718     /**
 719      * Once the file upload has finished -> update view
 720      *
 721      * Being notified about the finish of an upload is necessary for the next sequence:
 722      *   1. Upload a big file.
 723      *   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
 724      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 725      *   3. Click the file in the list to see its details.
 726      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 727      */
 728     private class UploadFinishReceiver extends BroadcastReceiver {
 729         @Override
 730         public void onReceive(Context context, Intent intent) {
 731             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 732
 733             if (!isEmpty() && accountName.equals(mAccount.name)) {
 734                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 735                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 736                 boolean renamedInUpload = getFile().getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 737                 if (getFile().getRemotePath().equals(uploadRemotePath) ||
 738                     renamedInUpload) {
 739                     if (uploadWasFine) {
 740                         setFile(mStorageManager.getFileByPath(uploadRemotePath));
 741                     }
 742                     if (renamedInUpload) {
 743                         String newName = (new File(uploadRemotePath)).getName();
 744                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 745                         msg.show();
 746                     }
 747                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 748                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 749                 }
 750             }
 751         }
 752     }
 753
 754
 755     public void onDismiss(EditNameDialog dialog) {
 756         if (dialog.getResult()) {
 757             String newFilename = dialog.getNewFilename();
 758             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 759             mLastRemoteOperation = new RenameFileOperation( getFile(),
 760                                                             mAccount,
 761                                                             newFilename,
 762                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 763             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 764             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 765             getActivity().showDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 766         }
 767     }
 768
 769
 770     /**
 771      * {@inheritDoc}
 772      */
 773     @Override
 774     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 775         if (operation.equals(mLastRemoteOperation)) {
 776             if (operation instanceof RemoveFileOperation) {
 777                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 778
 779             } else if (operation instanceof RenameFileOperation) {
 780                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 781
 782             } else if (operation instanceof SynchronizeFileOperation) {
 783                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 784             }
 785         }
 786     }
 787
 788
 789     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 790         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 791
 792         if (result.isSuccess()) {
 793             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 794             msg.show();
 795             ((FileDisplayActivity)getActivity()).cleanSecondFragment();
 796
 797         } else {
 798             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 799             msg.show();
 800             if (result.isSslRecoverableException()) {
 801                 // TODO show the SSL warning dialog
 802             }
 803         }
 804     }
 805
 806     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 807         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 808
 809         if (result.isSuccess()) {
 810             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 811             mContainerActivity.onFileStateChanged();
 812
 813         } else {
 814             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 815                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 816                 msg.show();
 817                 // TODO throw again the new rename dialog
 818             } else {
 819                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 820                 msg.show();
 821                 if (result.isSslRecoverableException()) {
 822                     // TODO show the SSL warning dialog
 823                 }
 824             }
 825         }
 826     }
 827
 828     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
 829         getActivity().dismissDialog(FileDisplayActivity.DIALOG_SHORT_WAIT);
 830         OCFile file = getFile();
 831         if (!result.isSuccess()) {
 832             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 833                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
 834                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, file);
 835                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
 836                 startActivity(i);
 837
 838             } else {
 839                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
 840                 msg.show();
 841             }
 842
 843             if (file.isDown()) {
 844                 setButtonsForDown();
 845
 846             } else {
 847                 setButtonsForRemote();
 848             }
 849
 850         } else {
 851             if (operation.transferWasRequested()) {
 852                 setButtonsForTransferring();
 853                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
 854                                                             // checking the service to see if the file is downloading results in FALSE
 855             } else {
 856                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
 857                 msg.show();
 858                 if (file.isDown()) {
 859                     setButtonsForDown();
 860
 861                 } else {
 862                     setButtonsForRemote();
 863                 }
 864             }
 865         }
 866     }
 867
 868
 869     public void listenForTransferProgress() {
 870         if (mProgressListener != null) {
 871             if (mContainerActivity.getFileDownloaderBinder() != null) {
 872                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 873             }
 874             if (mContainerActivity.getFileUploaderBinder() != null) {
 875                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 876             }
 877         }
 878     }
 879
 880
 881     public void leaveTransferProgress() {
 882         if (mProgressListener != null) {
 883             if (mContainerActivity.getFileDownloaderBinder() != null) {
 884                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 885             }
 886             if (mContainerActivity.getFileUploaderBinder() != null) {
 887                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 888             }
 889         }
 890     }
 891
 892
 893
 894     /**
 895      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 896      *
 897      * @author David A. Velasco
 898      */
 899     private class ProgressListener implements OnDatatransferProgressListener {
 900         int mLastPercent = 0;
 901         WeakReference<ProgressBar> mProgressBar = null;
 902
 903         ProgressListener(ProgressBar progressBar) {
 904             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 905         }
 906
 907         @Override
 908         public void onTransferProgress(long progressRate) {
 909             // old method, nothing here
 910         };
 911
 912         @Override
 913         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 914             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 915             if (percent != mLastPercent) {
 916                 ProgressBar pb = mProgressBar.get();
 917                 if (pb != null) {
 918                     pb.setProgress(percent);
 919                     pb.postInvalidate();
 920                 }
 921             }
 922             mLastPercent = percent;
 923         }
 924
 925     };
 926
 927 }