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.ActivityNotFoundException;
  28 import android.content.BroadcastReceiver;
  29 import android.content.Context;
  30 import android.content.Intent;
  31 import android.content.IntentFilter;
  32 import android.net.Uri;
  33 import android.os.Bundle;
  34 import android.os.Handler;
  35 import android.support.v4.app.FragmentTransaction;
  36 import android.view.LayoutInflater;
  37 import android.view.View;
  38 import android.view.View.OnClickListener;
  39 import android.view.ViewGroup;
  40 import android.webkit.MimeTypeMap;
  41 import android.widget.CheckBox;
  42 import android.widget.ImageView;
  43 import android.widget.ProgressBar;
  44 import android.widget.TextView;
  45 import android.widget.Toast;
  46
  47 import com.actionbarsherlock.app.SherlockFragment;
  48 import com.actionbarsherlock.view.Menu;
  49 import com.actionbarsherlock.view.MenuInflater;
  50 import com.actionbarsherlock.view.MenuItem;
  51 import com.owncloud.android.DisplayUtils;
  52 import com.owncloud.android.Log_OC;
  53 import com.owncloud.android.datamodel.FileDataStorageManager;
  54 import com.owncloud.android.datamodel.OCFile;
  55 import com.owncloud.android.files.services.FileObserverService;
  56 import com.owncloud.android.files.services.FileUploader;
  57 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  58 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  59 import com.owncloud.android.operations.OnRemoteOperationListener;
  60 import com.owncloud.android.operations.RemoteOperation;
  61 import com.owncloud.android.operations.RemoteOperationResult;
  62 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  63 import com.owncloud.android.operations.RemoveFileOperation;
  64 import com.owncloud.android.operations.RenameFileOperation;
  65 import com.owncloud.android.operations.SynchronizeFileOperation;
  66 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  67 import com.owncloud.android.ui.activity.FileActivity;
  68 import com.owncloud.android.ui.activity.FileDetailActivity;
  69 import com.owncloud.android.ui.activity.FileDisplayActivity;
  70 import com.owncloud.android.ui.dialog.EditNameDialog;
  71 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  72
  73 import com.owncloud.android.R;
  74
  75 import eu.alefzero.webdav.OnDatatransferProgressListener;
  76 import eu.alefzero.webdav.WebdavUtils;
  77
  78 /**
  79  * This Fragment is used to display the details about a file.
  80  *
  81  * @author Bartek Przybylski
  82  * @author David A. Velasco
  83  */
  84 public class FileDetailFragment extends SherlockFragment implements
  85         OnClickListener,
  86         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener,
  87         FileFragment {
  88
  89     private FileFragment.ContainerActivity mContainerActivity;
  90
  91     private int mLayout;
  92     private View mView;
  93     private OCFile mFile;
  94     private Account mAccount;
  95     private FileDataStorageManager mStorageManager;
  96
  97     private UploadFinishReceiver mUploadFinishReceiver;
  98     public ProgressListener mProgressListener;
  99
 100     private Handler mHandler;
 101     private RemoteOperation mLastRemoteOperation;
 102
 103     private static final String TAG = FileDetailFragment.class.getSimpleName();
 104     public static final String FTAG = "FileDetails";
 105     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 106
 107
 108     /**
 109      * Creates an empty details fragment.
 110      *
 111      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 112      */
 113     public FileDetailFragment() {
 114         mFile = null;
 115         mAccount = null;
 116         mStorageManager = null;
 117         mLayout = R.layout.file_details_empty;
 118         mProgressListener = null;
 119     }
 120
 121     /**
 122      * Creates a details fragment.
 123      *
 124      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 125      *
 126      * @param fileToDetail      An {@link OCFile} to show in the fragment
 127      * @param ocAccount         An ownCloud account; needed to start downloads
 128      */
 129     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 130         mFile = fileToDetail;
 131         mAccount = ocAccount;
 132         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 133         mLayout = R.layout.file_details_empty;
 134         mProgressListener = null;
 135     }
 136
 137
 138     @Override
 139     public void onCreate(Bundle savedInstanceState) {
 140         super.onCreate(savedInstanceState);
 141         mHandler = new Handler();
 142         setHasOptionsMenu(true);
 143     }
 144
 145
 146     @Override
 147     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 148             Bundle savedInstanceState) {
 149         super.onCreateView(inflater, container, savedInstanceState);
 150
 151         if (savedInstanceState != null) {
 152             mFile = savedInstanceState.getParcelable(FileActivity.EXTRA_FILE);
 153             mAccount = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
 154         }
 155
 156         if(mFile != null && mAccount != null) {
 157             mLayout = R.layout.file_details_fragment;
 158         }
 159
 160         View view = null;
 161         view = inflater.inflate(mLayout, container, false);
 162         mView = view;
 163
 164         if (mLayout == R.layout.file_details_fragment) {
 165             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 166             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 167             mProgressListener = new ProgressListener(progressBar);
 168             mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
 169         }
 170
 171         updateFileDetails(false, false);
 172         return view;
 173     }
 174
 175     /**
 176      * {@inheritDoc}
 177      */
 178     @Override
 179     public void onAttach(Activity activity) {
 180         super.onAttach(activity);
 181         try {
 182             mContainerActivity = (ContainerActivity) activity;
 183
 184         } catch (ClassCastException e) {
 185             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 186         }
 187     }
 188
 189
 190     /**
 191      * {@inheritDoc}
 192      */
 193     @Override
 194     public void onActivityCreated(Bundle savedInstanceState) {
 195         super.onActivityCreated(savedInstanceState);
 196         if (mAccount != null) {
 197             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 198         }
 199     }
 200
 201
 202     @Override
 203     public void onSaveInstanceState(Bundle outState) {
 204         super.onSaveInstanceState(outState);
 205         outState.putParcelable(FileActivity.EXTRA_FILE, mFile);
 206         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
 207     }
 208
 209     @Override
 210     public void onStart() {
 211         super.onStart();
 212         listenForTransferProgress();
 213     }
 214
 215     @Override
 216     public void onResume() {
 217         super.onResume();
 218         mUploadFinishReceiver = new UploadFinishReceiver();
 219         IntentFilter filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 220         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 221
 222     }
 223
 224
 225     @Override
 226     public void onPause() {
 227         super.onPause();
 228         if (mUploadFinishReceiver != null) {
 229             getActivity().unregisterReceiver(mUploadFinishReceiver);
 230             mUploadFinishReceiver = null;
 231         }
 232     }
 233
 234
 235     @Override
 236     public void onStop() {
 237         super.onStop();
 238         leaveTransferProgress();
 239     }
 240
 241
 242     @Override
 243     public View getView() {
 244         return super.getView() == null ? mView : super.getView();
 245     }
 246
 247
 248     /**
 249      * {@inheritDoc}
 250      */
 251     @Override
 252     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 253         super.onCreateOptionsMenu(menu, inflater);
 254         inflater.inflate(R.menu.file_actions_menu, menu);
 255         MenuItem item = menu.findItem(R.id.action_see_details);
 256         if (item != null) {
 257             item.setVisible(false);
 258             item.setEnabled(false);
 259         }
 260     }
 261
 262
 263     /**
 264      * {@inheritDoc}
 265      */
 266     @Override
 267     public void onPrepareOptionsMenu (Menu menu) {
 268         super.onPrepareOptionsMenu(menu);
 269
 270         List<Integer> toHide = new ArrayList<Integer>();
 271         List<Integer> toShow = new ArrayList<Integer>();
 272
 273         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 274         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile);
 275         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 276         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile);
 277
 278         if (downloading || uploading) {
 279             toHide.add(R.id.action_download_file);
 280             toHide.add(R.id.action_rename_file);
 281             toHide.add(R.id.action_remove_file);
 282             toHide.add(R.id.action_open_file_with);
 283             if (!downloading) {
 284                 toHide.add(R.id.action_cancel_download);
 285                 toShow.add(R.id.action_cancel_upload);
 286             } else {
 287                 toHide.add(R.id.action_cancel_upload);
 288                 toShow.add(R.id.action_cancel_download);
 289             }
 290
 291         } else if (mFile != null && mFile.isDown()) {
 292             toHide.add(R.id.action_download_file);
 293             toHide.add(R.id.action_cancel_download);
 294             toHide.add(R.id.action_cancel_upload);
 295
 296             toShow.add(R.id.action_rename_file);
 297             toShow.add(R.id.action_remove_file);
 298             toShow.add(R.id.action_open_file_with);
 299             toShow.add(R.id.action_sync_file);
 300
 301         } else if (mFile != null) {
 302             toHide.add(R.id.action_open_file_with);
 303             toHide.add(R.id.action_cancel_download);
 304             toHide.add(R.id.action_cancel_upload);
 305             toHide.add(R.id.action_sync_file);
 306
 307             toShow.add(R.id.action_rename_file);
 308             toShow.add(R.id.action_remove_file);
 309             toShow.add(R.id.action_download_file);
 310
 311         } else {
 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             toHide.add(R.id.action_download_file);
 317             toHide.add(R.id.action_rename_file);
 318             toHide.add(R.id.action_remove_file);
 319
 320         }
 321
 322         MenuItem item = null;
 323         for (int i : toHide) {
 324             item = menu.findItem(i);
 325             if (item != null) {
 326                 item.setVisible(false);
 327                 item.setEnabled(false);
 328             }
 329         }
 330         for (int i : toShow) {
 331             item = menu.findItem(i);
 332             if (item != null) {
 333                 item.setVisible(true);
 334                 item.setEnabled(true);
 335             }
 336         }
 337     }
 338
 339
 340     /**
 341      * {@inheritDoc}
 342      */
 343     @Override
 344     public boolean onOptionsItemSelected(MenuItem item) {
 345         switch (item.getItemId()) {
 346             case R.id.action_open_file_with: {
 347                 openFile();
 348                 return true;
 349             }
 350             case R.id.action_remove_file: {
 351                 removeFile();
 352                 return true;
 353             }
 354             case R.id.action_rename_file: {
 355                 renameFile();
 356                 return true;
 357             }
 358             case R.id.action_download_file:
 359             case R.id.action_cancel_download:
 360             case R.id.action_cancel_upload:
 361             case R.id.action_sync_file: {
 362                 synchronizeFile();
 363                 return true;
 364             }
 365             default:
 366                 return false;
 367         }
 368     }
 369
 370     @Override
 371     public void onClick(View v) {
 372         switch (v.getId()) {
 373             case R.id.fdKeepInSync: {
 374                 toggleKeepInSync();
 375                 break;
 376             }
 377             case R.id.fdCancelBtn: {
 378                 synchronizeFile();
 379                 break;
 380             }
 381             default:
 382                 Log_OC.e(TAG, "Incorrect view clicked!");
 383         }
 384     }
 385
 386
 387     private void toggleKeepInSync() {
 388         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 389         mFile.setKeepInSync(cb.isChecked());
 390         mStorageManager.saveFile(mFile);
 391
 392         /// register the OCFile instance in the observer service to monitor local updates;
 393         /// if necessary, the file is download
 394         Intent intent = new Intent(getActivity().getApplicationContext(),
 395                                    FileObserverService.class);
 396         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 397                    (cb.isChecked()?
 398                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 399                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 400         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 401         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 402         getActivity().startService(intent);
 403
 404         if (mFile.keepInSync()) {
 405             synchronizeFile();   // force an immediate synchronization
 406         }
 407     }
 408
 409
 410     private void removeFile() {
 411         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 412                 R.string.confirmation_remove_alert,
 413                 new String[]{mFile.getFileName()},
 414                 mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 415                 mFile.isDown() ? R.string.confirmation_remove_local : -1,
 416                 R.string.common_cancel);
 417         confDialog.setOnConfirmationListener(this);
 418         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 419     }
 420
 421
 422     private void renameFile() {
 423         String fileName = mFile.getFileName();
 424         int extensionStart = mFile.isDirectory() ? -1 : fileName.lastIndexOf(".");
 425         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 426         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 427         dialog.show(getFragmentManager(), "nameeditdialog");
 428     }
 429
 430     private void synchronizeFile() {
 431         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 432         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 433         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 434             downloaderBinder.cancel(mAccount, mFile);
 435             if (mFile.isDown()) {
 436                 setButtonsForDown();
 437             } else {
 438                 setButtonsForRemote();
 439             }
 440
 441         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 442             uploaderBinder.cancel(mAccount, mFile);
 443             if (!mFile.fileExists()) {
 444                 // TODO make something better
 445                 if (getActivity() instanceof FileDisplayActivity) {
 446                     // double pane
 447                     FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 448                     transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 449                     transaction.commit();
 450                     mContainerActivity.onFileStateChanged();
 451                 } else {
 452                     getActivity().finish();
 453                 }
 454
 455             } else if (mFile.isDown()) {
 456                 setButtonsForDown();
 457             } else {
 458                 setButtonsForRemote();
 459             }
 460
 461         } else {
 462             mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 463             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 464
 465             // update ui
 466             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 467             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 468
 469         }
 470     }
 471
 472     /**
 473      * Opens mFile.
 474      */
 475     private void openFile() {
 476
 477         String storagePath = mFile.getStoragePath();
 478         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 479         try {
 480             Intent i = new Intent(Intent.ACTION_VIEW);
 481             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 482             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 483             startActivity(i);
 484
 485         } catch (Throwable t) {
 486             Log_OC.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 487             boolean toastIt = true;
 488             String mimeType = "";
 489             try {
 490                 Intent i = new Intent(Intent.ACTION_VIEW);
 491                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 492                 if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 493                     if (mimeType != null) {
 494                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 495                     } else {
 496                         // desperate try
 497                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 498                     }
 499                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 500                     startActivity(i);
 501                     toastIt = false;
 502                 }
 503
 504             } catch (IndexOutOfBoundsException e) {
 505                 Log_OC.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 506
 507             } catch (ActivityNotFoundException e) {
 508                 Log_OC.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 509
 510             } catch (Throwable th) {
 511                 Log_OC.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 512
 513             } finally {
 514                 if (toastIt) {
 515                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 516                 }
 517             }
 518
 519         }
 520     }
 521
 522     @Override
 523     public void onConfirmation(String callerTag) {
 524         if (callerTag.equals(FTAG_CONFIRMATION)) {
 525             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 526                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 527                                                                 true,
 528                                                                 mStorageManager);
 529                 mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 530
 531                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 532                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 533             }
 534         }
 535     }
 536
 537     @Override
 538     public void onNeutral(String callerTag) {
 539         File f = null;
 540         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 541             f.delete();
 542             mFile.setStoragePath(null);
 543             mStorageManager.saveFile(mFile);
 544             updateFileDetails(mFile, mAccount);
 545         }
 546     }
 547
 548     @Override
 549     public void onCancel(String callerTag) {
 550         Log_OC.d(TAG, "REMOVAL CANCELED");
 551     }
 552
 553
 554     /**
 555      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 556      *
 557      * @return  True when the fragment was created with the empty layout.
 558      */
 559     public boolean isEmpty() {
 560         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 561     }
 562
 563
 564     /**
 565      * {@inheritDoc}
 566      */
 567     public OCFile getFile(){
 568         return mFile;
 569     }
 570
 571     /**
 572      * Use this method to signal this Activity that it shall update its view.
 573      *
 574      * @param file : An {@link OCFile}
 575      */
 576     public void updateFileDetails(OCFile file, Account ocAccount) {
 577         mFile = file;
 578         if (ocAccount != null && (
 579                 mStorageManager == null ||
 580                 (mAccount != null && !mAccount.equals(ocAccount))
 581            )) {
 582             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 583         }
 584         mAccount = ocAccount;
 585         updateFileDetails(false, false);
 586     }
 587
 588     /**
 589      * Updates the view with all relevant details about that file.
 590      *
 591      * TODO Remove parameter when the transferring state of files is kept in database.
 592      *
 593      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 594      *
 595      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 596      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 597      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 598      *
 599      * @param refresh           If 'true', try to refresh the hold file from the database
 600      */
 601     public void updateFileDetails(boolean transferring, boolean refresh) {
 602
 603         if (readyToShow()) {
 604
 605             if (refresh && mStorageManager != null) {
 606                 mFile = mStorageManager.getFileByPath(mFile.getRemotePath());
 607             }
 608
 609             // set file details
 610             setFilename(mFile.getFileName());
 611             setFiletype(mFile.getMimetype());
 612             setFilesize(mFile.getFileLength());
 613             if(ocVersionSupportsTimeCreated()){
 614                 setTimeCreated(mFile.getCreationTimestamp());
 615             }
 616
 617             setTimeModified(mFile.getModificationTimestamp());
 618
 619             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 620             cb.setChecked(mFile.keepInSync());
 621
 622             // configure UI for depending upon local state of the file
 623             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 624             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 625             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 626             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 627                 setButtonsForTransferring();
 628
 629             } else if (mFile.isDown()) {
 630
 631                 setButtonsForDown();
 632
 633             } else {
 634                 // TODO load default preview image; when the local file is removed, the preview remains there
 635                 setButtonsForRemote();
 636             }
 637         }
 638         getView().invalidate();
 639     }
 640
 641     /**
 642      * Checks if the fragment is ready to show details of a OCFile
 643      *
 644      * @return  'True' when the fragment is ready to show details of a file
 645      */
 646     private boolean readyToShow() {
 647         return (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 648     }
 649
 650
 651     /**
 652      * Updates the filename in view
 653      * @param filename to set
 654      */
 655     private void setFilename(String filename) {
 656         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 657         if (tv != null)
 658             tv.setText(filename);
 659     }
 660
 661     /**
 662      * Updates the MIME type in view
 663      * @param mimetype to set
 664      */
 665     private void setFiletype(String mimetype) {
 666         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 667         if (tv != null) {
 668             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 669             tv.setText(printableMimetype);
 670         }
 671         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 672         if (iv != null) {
 673             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 674         }
 675     }
 676
 677     /**
 678      * Updates the file size in view
 679      * @param filesize in bytes to set
 680      */
 681     private void setFilesize(long filesize) {
 682         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 683         if (tv != null)
 684             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 685     }
 686
 687     /**
 688      * Updates the time that the file was created in view
 689      * @param milliseconds Unix time to set
 690      */
 691     private void setTimeCreated(long milliseconds){
 692         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 693         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 694         if(tv != null){
 695             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 696             tv.setVisibility(View.VISIBLE);
 697             tvLabel.setVisibility(View.VISIBLE);
 698         }
 699     }
 700
 701     /**
 702      * Updates the time that the file was last modified
 703      * @param milliseconds Unix time to set
 704      */
 705     private void setTimeModified(long milliseconds){
 706         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 707         if(tv != null){
 708             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 709         }
 710     }
 711
 712     /**
 713      * Enables or disables buttons for a file being downloaded
 714      */
 715     private void setButtonsForTransferring() {
 716         if (!isEmpty()) {
 717             // let's protect the user from himself ;)
 718             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 719
 720             // show the progress bar for the transfer
 721             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 722             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 723             progressText.setVisibility(View.VISIBLE);
 724             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 725             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 726             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 727                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 728             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 729                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 730             }
 731         }
 732     }
 733
 734     /**
 735      * Enables or disables buttons for a file locally available
 736      */
 737     private void setButtonsForDown() {
 738         if (!isEmpty()) {
 739             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 740
 741             // hides the progress bar
 742             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 743             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 744             progressText.setVisibility(View.GONE);
 745         }
 746     }
 747
 748     /**
 749      * Enables or disables buttons for a file not locally available
 750      */
 751     private void setButtonsForRemote() {
 752         if (!isEmpty()) {
 753             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 754
 755             // hides the progress bar
 756             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 757             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 758             progressText.setVisibility(View.GONE);
 759         }
 760     }
 761
 762
 763     /**
 764      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 765      * the time that the file was created. There is a chance that this will
 766      * be fixed in future versions. Use this method to check if this version of
 767      * ownCloud has this fix.
 768      * @return True, if ownCloud the ownCloud version is supporting creation time
 769      */
 770     private boolean ocVersionSupportsTimeCreated(){
 771         /*if(mAccount != null){
 772             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 773             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 774                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 775             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 776                 return true;
 777             }
 778         }*/
 779         return false;
 780     }
 781
 782
 783     /**
 784      * Once the file upload has finished -> update view
 785      *
 786      * Being notified about the finish of an upload is necessary for the next sequence:
 787      *   1. Upload a big file.
 788      *   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
 789      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 790      *   3. Click the file in the list to see its details.
 791      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 792      */
 793     private class UploadFinishReceiver extends BroadcastReceiver {
 794         @Override
 795         public void onReceive(Context context, Intent intent) {
 796             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 797
 798             if (!isEmpty() && accountName.equals(mAccount.name)) {
 799                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 800                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 801                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 802                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 803                     renamedInUpload) {
 804                     if (uploadWasFine) {
 805                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 806                     }
 807                     if (renamedInUpload) {
 808                         String newName = (new File(uploadRemotePath)).getName();
 809                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 810                         msg.show();
 811                     }
 812                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 813                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 814                 }
 815             }
 816         }
 817     }
 818
 819
 820     public void onDismiss(EditNameDialog dialog) {
 821         if (dialog.getResult()) {
 822             String newFilename = dialog.getNewFilename();
 823             Log_OC.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 824             mLastRemoteOperation = new RenameFileOperation( mFile,
 825                                                             mAccount,
 826                                                             newFilename,
 827                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 828             mLastRemoteOperation.execute(mAccount, getSherlockActivity(), this, mHandler, getSherlockActivity());
 829             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 830             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 831         }
 832     }
 833
 834
 835     /**
 836      * {@inheritDoc}
 837      */
 838     @Override
 839     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 840         if (operation.equals(mLastRemoteOperation)) {
 841             if (operation instanceof RemoveFileOperation) {
 842                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 843
 844             } else if (operation instanceof RenameFileOperation) {
 845                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 846
 847             } else if (operation instanceof SynchronizeFileOperation) {
 848                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 849             }
 850         }
 851     }
 852
 853
 854     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 855         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 856         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 857
 858         if (result.isSuccess()) {
 859             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 860             msg.show();
 861             if (inDisplayActivity) {
 862                 // double pane
 863                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 864                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 865                 transaction.commit();
 866                 mContainerActivity.onFileStateChanged();
 867             } else {
 868                 getActivity().finish();
 869             }
 870
 871         } else {
 872             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 873             msg.show();
 874             if (result.isSslRecoverableException()) {
 875                 // TODO show the SSL warning dialog
 876             }
 877         }
 878     }
 879
 880     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
 881         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 882         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 883
 884         if (result.isSuccess()) {
 885             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
 886             mContainerActivity.onFileStateChanged();
 887
 888         } else {
 889             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
 890                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 891                 msg.show();
 892                 // TODO throw again the new rename dialog
 893             } else {
 894                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 895                 msg.show();
 896                 if (result.isSslRecoverableException()) {
 897                     // TODO show the SSL warning dialog
 898                 }
 899             }
 900         }
 901     }
 902
 903     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
 904         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 905         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 906
 907         if (!result.isSuccess()) {
 908             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
 909                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
 910                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
 911                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
 912                 startActivity(i);
 913
 914             } else {
 915                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
 916                 msg.show();
 917             }
 918
 919             if (mFile.isDown()) {
 920                 setButtonsForDown();
 921
 922             } else {
 923                 setButtonsForRemote();
 924             }
 925
 926         } else {
 927             if (operation.transferWasRequested()) {
 928                 setButtonsForTransferring();
 929                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
 930                                                             // checking the service to see if the file is downloading results in FALSE
 931             } else {
 932                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
 933                 msg.show();
 934                 if (mFile.isDown()) {
 935                     setButtonsForDown();
 936
 937                 } else {
 938                     setButtonsForRemote();
 939                 }
 940             }
 941         }
 942     }
 943
 944
 945     public void listenForTransferProgress() {
 946         if (mProgressListener != null) {
 947             if (mContainerActivity.getFileDownloaderBinder() != null) {
 948                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
 949             }
 950             if (mContainerActivity.getFileUploaderBinder() != null) {
 951                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
 952             }
 953         }
 954     }
 955
 956
 957     public void leaveTransferProgress() {
 958         if (mProgressListener != null) {
 959             if (mContainerActivity.getFileDownloaderBinder() != null) {
 960                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
 961             }
 962             if (mContainerActivity.getFileUploaderBinder() != null) {
 963                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
 964             }
 965         }
 966     }
 967
 968
 969
 970     /**
 971      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 972      *
 973      * @author David A. Velasco
 974      */
 975     private class ProgressListener implements OnDatatransferProgressListener {
 976         int mLastPercent = 0;
 977         WeakReference<ProgressBar> mProgressBar = null;
 978
 979         ProgressListener(ProgressBar progressBar) {
 980             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 981         }
 982
 983         @Override
 984         public void onTransferProgress(long progressRate) {
 985             // old method, nothing here
 986         };
 987
 988         @Override
 989         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 990             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 991             if (percent != mLastPercent) {
 992                 ProgressBar pb = mProgressBar.get();
 993                 if (pb != null) {
 994                     pb.setProgress(percent);
 995                     pb.postInvalidate();
 996                 }
 997             }
 998             mLastPercent = percent;
 999         }
1000
1001     };
1002
1003     /*
1004     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
1005     @SuppressWarnings("unused")
1006     private class ShareRunnable implements Runnable {
1007         private String mPath;
1008
1009         public ShareRunnable(String path) {
1010             mPath = path;
1011         }
1012
1013         public void run() {
1014             AccountManager am = AccountManager.get(getActivity());
1015             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
1016             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
1017             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
1018
1019             Log_OC.d("share", "sharing for version " + ocv.toString());
1020
1021             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
1022                 String APPS_PATH = "/apps/files_sharing/";
1023                 String SHARE_PATH = "ajax/share.php";
1024
1025                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
1026
1027                 final String WEBDAV_SCRIPT = "webdav.php";
1028                 final String WEBDAV_FILES_LOCATION = "/files/";
1029
1030                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
1031                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
1032                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
1033
1034                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
1035                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
1036
1037                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
1038
1039                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
1040                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
1041                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
1042                 Log_OC.d("share", mPath+"");
1043                 formparams.add(new BasicNameValuePair("sources",mPath));
1044                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
1045                 formparams.add(new BasicNameValuePair("permissions", "0"));
1046                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
1047
1048                 int status;
1049                 try {
1050                     PropFindMethod find = new PropFindMethod(url+"/");
1051                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
1052                     Log_OC.d("sharer", ""+ url+"/");
1053
1054                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
1055                         Log_OC.d("sharer-h", a.getName() + ":"+a.getValue());
1056                     }
1057
1058                     int status2 = wc.executeMethod(find);
1059
1060                     Log_OC.d("sharer", "propstatus "+status2);
1061
1062                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
1063                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
1064
1065                     status2 = wc.executeMethod(get);
1066
1067                     Log_OC.d("sharer", "getstatus "+status2);
1068                     Log_OC.d("sharer", "" + get.getResponseBodyAsString());
1069
1070                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
1071                         Log_OC.d("sharer", a.getName() + ":"+a.getValue());
1072                     }
1073
1074                     status = wc.executeMethod(post);
1075                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
1076                         Log_OC.d("sharer-h", a.getName() + ":"+a.getValue());
1077                     }
1078                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
1079                         Log_OC.d("sharer", a.getName() + ":"+a.getValue());
1080                     }
1081                     String resp = post.getResponseBodyAsString();
1082                     Log_OC.d("share", ""+post.getURI().toString());
1083                     Log_OC.d("share", "returned status " + status);
1084                     Log_OC.d("share", " " +resp);
1085
1086                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
1087                         return;
1088                      }
1089
1090                     JSONObject jsonObject = new JSONObject (resp);
1091                     String jsonStatus = jsonObject.getString("status");
1092                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
1093
1094                     String token = jsonObject.getString("data");
1095                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
1096                     Log_OC.d("Actions:shareFile ok", "url: " + uri);
1097
1098                 } catch (Exception e) {
1099                     e.printStackTrace();
1100                 }
1101
1102             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
1103
1104             }
1105         }
1106     }
1107     */
1108
1109 }