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 org.apache.commons.httpclient.methods.GetMethod;
  26 import org.apache.commons.httpclient.methods.PostMethod;
  27 import org.apache.commons.httpclient.methods.StringRequestEntity;
  28 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  29 import org.apache.http.HttpStatus;
  30 import org.apache.http.NameValuePair;
  31 import org.apache.http.client.utils.URLEncodedUtils;
  32 import org.apache.http.message.BasicNameValuePair;
  33 import org.apache.http.protocol.HTTP;
  34 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  35 import org.json.JSONObject;
  36
  37 import android.accounts.Account;
  38 import android.accounts.AccountManager;
  39 import android.app.Activity;
  40 import android.content.ActivityNotFoundException;
  41 import android.content.BroadcastReceiver;
  42 import android.content.Context;
  43 import android.content.Intent;
  44 import android.content.IntentFilter;
  45 import android.net.Uri;
  46 import android.os.Bundle;
  47 import android.os.Handler;
  48 import android.support.v4.app.FragmentTransaction;
  49 import android.util.Log;
  50 import android.view.LayoutInflater;
  51 import android.view.View;
  52 import android.view.View.OnClickListener;
  53 import android.view.ViewGroup;
  54 import android.webkit.MimeTypeMap;
  55 import android.widget.CheckBox;
  56 import android.widget.ImageView;
  57 import android.widget.ProgressBar;
  58 import android.widget.TextView;
  59 import android.widget.Toast;
  60
  61 import com.actionbarsherlock.app.SherlockFragment;
  62 import com.actionbarsherlock.view.Menu;
  63 import com.actionbarsherlock.view.MenuInflater;
  64 import com.actionbarsherlock.view.MenuItem;
  65 import com.owncloud.android.AccountUtils;
  66 import com.owncloud.android.DisplayUtils;
  67 import com.owncloud.android.Log_OC;
  68 import com.owncloud.android.authenticator.AccountAuthenticator;
  69 import com.owncloud.android.datamodel.FileDataStorageManager;
  70 import com.owncloud.android.datamodel.OCFile;
  71 import com.owncloud.android.files.services.FileObserverService;
  72 import com.owncloud.android.files.services.FileUploader;
  73 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  74 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  75 import com.owncloud.android.network.OwnCloudClientUtils;
  76 import com.owncloud.android.operations.OnRemoteOperationListener;
  77 import com.owncloud.android.operations.RemoteOperation;
  78 import com.owncloud.android.operations.RemoteOperationResult;
  79 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  80 import com.owncloud.android.operations.RemoveFileOperation;
  81 import com.owncloud.android.operations.RenameFileOperation;
  82 import com.owncloud.android.operations.SynchronizeFileOperation;
  83 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  84 import com.owncloud.android.ui.activity.FileDetailActivity;
  85 import com.owncloud.android.ui.activity.FileDisplayActivity;
  86 import com.owncloud.android.ui.dialog.EditNameDialog;
  87 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  88 import com.owncloud.android.utils.OwnCloudVersion;
  89
  90 import com.owncloud.android.R;
  91
  92 import eu.alefzero.webdav.OnDatatransferProgressListener;
  93 import eu.alefzero.webdav.WebdavClient;
  94 import eu.alefzero.webdav.WebdavUtils;
  95
  96
  97 /**
  98  * This Fragment is used to display the details about a file.
  99  *
 100  * @author Bartek Przybylski
 101  * @author David A. Velasco
 102  */
 103 public class FileDetailFragment extends SherlockFragment implements
 104         OnClickListener,
 105         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener,
 106         FileFragment {
 107
 108     public static final String EXTRA_FILE = "FILE";
 109     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 110
 111     private FileFragment.ContainerActivity mContainerActivity;
 112
 113     private int mLayout;
 114     private View mView;
 115     private OCFile mFile;
 116     private Account mAccount;
 117     private FileDataStorageManager mStorageManager;
 118
 119     private UploadFinishReceiver mUploadFinishReceiver;
 120     public ProgressListener mProgressListener;
 121
 122     private Handler mHandler;
 123     private RemoteOperation mLastRemoteOperation;
 124
 125     private static final String TAG = FileDetailFragment.class.getSimpleName();
 126     public static final String FTAG = "FileDetails";
 127     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 128
 129
 130     /**
 131      * Creates an empty details fragment.
 132      *
 133      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 134      */
 135     public FileDetailFragment() {
 136         mFile = null;
 137         mAccount = null;
 138         mStorageManager = null;
 139         mLayout = R.layout.file_details_empty;
 140         mProgressListener = null;
 141     }
 142
 143
 144     /**
 145      * Creates a details fragment.
 146      *
 147      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 148      *
 149      * @param fileToDetail      An {@link OCFile} to show in the fragment
 150      * @param ocAccount         An ownCloud account; needed to start downloads
 151      */
 152     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 153         mFile = fileToDetail;
 154         mAccount = ocAccount;
 155         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 156         mLayout = R.layout.file_details_empty;
 157         mProgressListener = null;
 158     }
 159
 160
 161     @Override
 162     public void onCreate(Bundle savedInstanceState) {
 163         super.onCreate(savedInstanceState);
 164         mHandler = new Handler();
 165         setHasOptionsMenu(true);
 166     }
 167
 168
 169     @Override
 170     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 171             Bundle savedInstanceState) {
 172         super.onCreateView(inflater, container, savedInstanceState);
 173
 174         if (savedInstanceState != null) {
 175             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 176             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 177         }
 178
 179         if(mFile != null && mAccount != null) {
 180             mLayout = R.layout.file_details_fragment;
 181         }
 182
 183         View view = null;
 184         view = inflater.inflate(mLayout, container, false);
 185         mView = view;
 186
 187         if (mLayout == R.layout.file_details_fragment) {
 188             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 189             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 190             mProgressListener = new ProgressListener(progressBar);
 191             mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
 192         }
 193
 194         updateFileDetails(false, false);
 195         return view;
 196     }
 197
 198     /**
 199      * {@inheritDoc}
 200      */
 201     @Override
 202     public void onAttach(Activity activity) {
 203         super.onAttach(activity);
 204         try {
 205             mContainerActivity = (ContainerActivity) activity;
 206
 207         } catch (ClassCastException e) {
 208             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 209         }
 210     }
 211
 212
 213     /**
 214      * {@inheritDoc}
 215      */
 216     @Override
 217     public void onActivityCreated(Bundle savedInstanceState) {
 218         super.onActivityCreated(savedInstanceState);
 219         if (mAccount != null) {
 220             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 221         }
 222     }
 223
 224
 225     @Override
 226     public void onSaveInstanceState(Bundle outState) {
 227         super.onSaveInstanceState(outState);
 228         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 229         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 230     }
 231
 232     @Override
 233     public void onStart() {
 234         super.onStart();
 235         listenForTransferProgress();
 236     }
 237
 238     @Override
 239     public void onResume() {
 240         super.onResume();
 241         mUploadFinishReceiver = new UploadFinishReceiver();
 242         IntentFilter filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 243         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 244
 245     }
 246
 247
 248     @Override
 249     public void onPause() {
 250         super.onPause();
 251         if (mUploadFinishReceiver != null) {
 252             getActivity().unregisterReceiver(mUploadFinishReceiver);
 253             mUploadFinishReceiver = null;
 254         }
 255     }
 256
 257
 258     @Override
 259     public void onStop() {
 260         super.onStop();
 261         leaveTransferProgress();
 262     }
 263
 264
 265     @Override
 266     public View getView() {
 267         return super.getView() == null ? mView : super.getView();
 268     }
 269
 270
 271     /**
 272      * {@inheritDoc}
 273      */
 274     @Override
 275     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 276         super.onCreateOptionsMenu(menu, inflater);
 277         inflater.inflate(R.menu.file_actions_menu, menu);
 278         MenuItem item = menu.findItem(R.id.action_see_details);
 279         if (item != null) {
 280             item.setVisible(false);
 281             item.setEnabled(false);
 282         }
 283     }
 284
 285
 286     /**
 287      * {@inheritDoc}
 288      */
 289     @Override
 290     public void onPrepareOptionsMenu (Menu menu) {
 291         super.onPrepareOptionsMenu(menu);
 292
 293         List<Integer> toHide = new ArrayList<Integer>();
 294         List<Integer> toShow = new ArrayList<Integer>();
 295
 296         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 297         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile);
 298         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 299         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile);
 300
 301         if (downloading || uploading) {
 302             toHide.add(R.id.action_download_file);
 303             toHide.add(R.id.action_rename_file);
 304             toHide.add(R.id.action_remove_file);
 305             toHide.add(R.id.action_open_file_with);
 306             if (!downloading) {
 307                 toHide.add(R.id.action_cancel_download);
 308                 toShow.add(R.id.action_cancel_upload);
 309             } else {
 310                 toHide.add(R.id.action_cancel_upload);
 311                 toShow.add(R.id.action_cancel_download);
 312             }
 313
 314         } else if (mFile != null && mFile.isDown()) {
 315             toHide.add(R.id.action_download_file);
 316             toHide.add(R.id.action_cancel_download);
 317             toHide.add(R.id.action_cancel_upload);
 318
 319             toShow.add(R.id.action_rename_file);
 320             toShow.add(R.id.action_remove_file);
 321             toShow.add(R.id.action_open_file_with);
 322             toShow.add(R.id.action_sync_file);
 323
 324         } else if (mFile != null) {
 325             toHide.add(R.id.action_open_file_with);
 326             toHide.add(R.id.action_cancel_download);
 327             toHide.add(R.id.action_cancel_upload);
 328             toHide.add(R.id.action_sync_file);
 329
 330             toShow.add(R.id.action_rename_file);
 331             toShow.add(R.id.action_remove_file);
 332             toShow.add(R.id.action_download_file);
 333
 334         } else {
 335             toHide.add(R.id.action_open_file_with);
 336             toHide.add(R.id.action_cancel_download);
 337             toHide.add(R.id.action_cancel_upload);
 338             toHide.add(R.id.action_sync_file);
 339             toHide.add(R.id.action_download_file);
 340             toHide.add(R.id.action_rename_file);
 341             toHide.add(R.id.action_remove_file);
 342
 343         }
 344
 345         MenuItem item = null;
 346         for (int i : toHide) {
 347             item = menu.findItem(i);
 348             if (item != null) {
 349                 item.setVisible(false);
 350                 item.setEnabled(false);
 351             }
 352         }
 353         for (int i : toShow) {
 354             item = menu.findItem(i);
 355             if (item != null) {
 356                 item.setVisible(true);
 357                 item.setEnabled(true);
 358             }
 359         }
 360     }
 361
 362
 363     /**
 364      * {@inheritDoc}
 365      */
 366     @Override
 367     public boolean onOptionsItemSelected(MenuItem item) {
 368         switch (item.getItemId()) {
 369             case R.id.action_open_file_with: {
 370                 openFile();
 371                 return true;
 372             }
 373             case R.id.action_remove_file: {
 374                 removeFile();
 375                 return true;
 376             }
 377             case R.id.action_rename_file: {
 378                 renameFile();
 379                 return true;
 380             }
 381             case R.id.action_download_file:
 382             case R.id.action_cancel_download:
 383             case R.id.action_cancel_upload:
 384             case R.id.action_sync_file: {
 385                 synchronizeFile();
 386                 return true;
 387             }
 388             default:
 389                 return false;
 390         }
 391     }
 392
 393
 394     @Override
 395     public void onClick(View v) {
 396         switch (v.getId()) {
 397             case R.id.fdKeepInSync: {
 398                 toggleKeepInSync();
 399                 break;
 400             }
 401             case R.id.fdCancelBtn: {
 402                 synchronizeFile();
 403                 break;
 404             }
 405             default:
 406                 Log_OC.e(TAG, "Incorrect view clicked!");
 407         }
 408     }
 409
 410
 411     private void toggleKeepInSync() {
 412         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 413         mFile.setKeepInSync(cb.isChecked());
 414         mStorageManager.saveFile(mFile);
 415
 416         /// register the OCFile instance in the observer service to monitor local updates;
 417         /// if necessary, the file is download
 418         Intent intent = new Intent(getActivity().getApplicationContext(),
 419                                    FileObserverService.class);
 420         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 421                    (cb.isChecked()?
 422                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 423                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 424         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 425         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 426         getActivity().startService(intent);
 427
 428         if (mFile.keepInSync()) {
 429             synchronizeFile();   // force an immediate synchronization
 430         }
 431     }
 432
 433
 434     private void removeFile() {
 435         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 436                 R.string.confirmation_remove_alert,
 437                 new String[]{mFile.getFileName()},
 438                 mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 439                 mFile.isDown() ? R.string.confirmation_remove_local : -1,
 440                 R.string.common_cancel);
 441         confDialog.setOnConfirmationListener(this);
 442         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 443     }
 444
 445
 446     private void renameFile() {
 447         String fileName = mFile.getFileName();
 448         int extensionStart = mFile.isDirectory() ? -1 : fileName.lastIndexOf(".");
 449         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 450         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 451         dialog.show(getFragmentManager(), "nameeditdialog");
 452     }
 453
 454     private void synchronizeFile() {
 455         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 456         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 457         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 458             downloaderBinder.cancel(mAccount, mFile);
 459             if (mFile.isDown()) {
 460                 setButtonsForDown();
 461             } else {
 462                 setButtonsForRemote();
 463             }
 464
 465         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 466             uploaderBinder.cancel(mAccount, mFile);
 467             if (!mFile.fileExists()) {
 468                 // TODO make something better
 469                 if (getActivity() instanceof FileDisplayActivity) {
 470                     // double pane
 471                     FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 472                     transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 473                     transaction.commit();
 474                     mContainerActivity.onFileStateChanged();
 475                 } else {
 476                     getActivity().finish();
 477                 }
 478
 479             } else if (mFile.isDown()) {
 480                 setButtonsForDown();
 481             } else {
 482                 setButtonsForRemote();
 483             }
 484
 485         } else {
 486             mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 487             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 488             mLastRemoteOperation.execute(wc, this, mHandler);
 489
 490             // update ui
 491             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 492             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 493
 494         }
 495     }
 496
 497
 498     /**
 499      * Opens mFile.
 500      */
 501     private void openFile() {
 502
 503         String storagePath = mFile.getStoragePath();
 504         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 505         try {
 506             Intent i = new Intent(Intent.ACTION_VIEW);
 507             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 508             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 509             startActivity(i);
 510
 511         } catch (Throwable t) {
 512             Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 513             boolean toastIt = true;
 514             String mimeType = "";
 515             try {
 516                 Intent i = new Intent(Intent.ACTION_VIEW);
 517                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 518                 if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 519                     if (mimeType != null) {
 520                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 521                     } else {
 522                         // desperate try
 523                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 524                     }
 525                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 526                     startActivity(i);
 527                     toastIt = false;
 528                 }
 529
 530             } catch (IndexOutOfBoundsException e) {
 531                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 532
 533             } catch (ActivityNotFoundException e) {
 534                 Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 535
 536             } catch (Throwable th) {
 537                 Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 538
 539             } finally {
 540                 if (toastIt) {
 541                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 542                 }
 543             }
 544
 545         }
 546     }
 547
 548
 549     @Override
 550     public void onConfirmation(String callerTag) {
 551         if (callerTag.equals(FTAG_CONFIRMATION)) {
 552             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 553                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 554                                                                 true,
 555                                                                 mStorageManager);
 556                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 557                 mLastRemoteOperation.execute(wc, this, mHandler);
 558
 559                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 560                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 561             }
 562         }
 563     }
 564
 565     @Override
 566     public void onNeutral(String callerTag) {
 567         File f = null;
 568         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 569             f.delete();
 570             mFile.setStoragePath(null);
 571             mStorageManager.saveFile(mFile);
 572             updateFileDetails(mFile, mAccount);
 573         }
 574     }
 575
 576     @Override
 577     public void onCancel(String callerTag) {
 578         Log.d(TAG, "REMOVAL CANCELED");
 579     }
 580
 581
 582     /**
 583      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 584      *
 585      * @return  True when the fragment was created with the empty layout.
 586      */
 587     public boolean isEmpty() {
 588         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 589     }
 590
 591
 592     /**
 593      * {@inheritDoc}
 594      */
 595     public OCFile getFile(){
 596         return mFile;
 597     }
 598
 599     /**
 600      * Use this method to signal this Activity that it shall update its view.
 601      *
 602      * @param file : An {@link OCFile}
 603      */
 604     public void updateFileDetails(OCFile file, Account ocAccount) {
 605         mFile = file;
 606         if (ocAccount != null && (
 607                 mStorageManager == null ||
 608                 (mAccount != null && !mAccount.equals(ocAccount))
 609            )) {
 610             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 611         }
 612         mAccount = ocAccount;
 613         updateFileDetails(false, false);
 614     }
 615
 616     /**
 617      * Updates the view with all relevant details about that file.
 618      *
 619      * TODO Remove parameter when the transferring state of files is kept in database.
 620      *
 621      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 622      *
 623      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 624      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 625      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 626      *
 627      * @param refresh           If 'true', try to refresh the hold file from the database
 628      */
 629     public void updateFileDetails(boolean transferring, boolean refresh) {
 630
 631         if (readyToShow()) {
 632
 633             if (refresh && mStorageManager != null) {
 634                 mFile = mStorageManager.getFileByPath(mFile.getRemotePath());
 635             }
 636
 637             // set file details
 638             setFilename(mFile.getFileName());
 639             setFiletype(mFile.getMimetype());
 640             setFilesize(mFile.getFileLength());
 641             if(ocVersionSupportsTimeCreated()){
 642                 setTimeCreated(mFile.getCreationTimestamp());
 643             }
 644
 645             setTimeModified(mFile.getModificationTimestamp());
 646
 647             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 648             cb.setChecked(mFile.keepInSync());
 649
 650             // configure UI for depending upon local state of the file
 651             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 652             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 653             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 654             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 655                 setButtonsForTransferring();
 656
 657             } else if (mFile.isDown()) {
 658
 659                 setButtonsForDown();
 660
 661             } else {
 662                 // TODO load default preview image; when the local file is removed, the preview remains there
 663                 setButtonsForRemote();
 664             }
 665         }
 666         getView().invalidate();
 667     }
 668
 669
 670     /**
 671      * Checks if the fragment is ready to show details of a OCFile
 672      *
 673      * @return  'True' when the fragment is ready to show details of a file
 674      */
 675     private boolean readyToShow() {
 676         return (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 677     }
 678
 679
 680     /**
 681      * Updates the filename in view
 682      * @param filename to set
 683      */
 684     private void setFilename(String filename) {
 685         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 686         if (tv != null)
 687             tv.setText(filename);
 688     }
 689
 690     /**
 691      * Updates the MIME type in view
 692      * @param mimetype to set
 693      */
 694     private void setFiletype(String mimetype) {
 695         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 696         if (tv != null) {
 697             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 698             tv.setText(printableMimetype);
 699         }
 700         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 701         if (iv != null) {
 702             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 703         }
 704     }
 705
 706     /**
 707      * Updates the file size in view
 708      * @param filesize in bytes to set
 709      */
 710     private void setFilesize(long filesize) {
 711         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 712         if (tv != null)
 713             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 714     }
 715
 716     /**
 717      * Updates the time that the file was created in view
 718      * @param milliseconds Unix time to set
 719      */
 720     private void setTimeCreated(long milliseconds){
 721         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 722         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 723         if(tv != null){
 724             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 725             tv.setVisibility(View.VISIBLE);
 726             tvLabel.setVisibility(View.VISIBLE);
 727         }
 728     }
 729
 730     /**
 731      * Updates the time that the file was last modified
 732      * @param milliseconds Unix time to set
 733      */
 734     private void setTimeModified(long milliseconds){
 735         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 736         if(tv != null){
 737             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 738         }
 739     }
 740
 741     /**
 742      * Enables or disables buttons for a file being downloaded
 743      */
 744     private void setButtonsForTransferring() {
 745         if (!isEmpty()) {
 746             // let's protect the user from himself ;)
 747             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 748
 749             // show the progress bar for the transfer
 750             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 751             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 752             progressText.setVisibility(View.VISIBLE);
 753             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 754             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 755             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 756                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 757             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 758                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 759             }
 760         }
 761     }
 762
 763     /**
 764      * Enables or disables buttons for a file locally available
 765      */
 766     private void setButtonsForDown() {
 767         if (!isEmpty()) {
 768             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 769
 770             // hides the progress bar
 771             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 772             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 773             progressText.setVisibility(View.GONE);
 774         }
 775     }
 776
 777     /**
 778      * Enables or disables buttons for a file not locally available
 779      */
 780     private void setButtonsForRemote() {
 781         if (!isEmpty()) {
 782             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 783
 784             // hides the progress bar
 785             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 786             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 787             progressText.setVisibility(View.GONE);
 788         }
 789     }
 790
 791
 792     /**
 793      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 794      * the time that the file was created. There is a chance that this will
 795      * be fixed in future versions. Use this method to check if this version of
 796      * ownCloud has this fix.
 797      * @return True, if ownCloud the ownCloud version is supporting creation time
 798      */
 799     private boolean ocVersionSupportsTimeCreated(){
 800         /*if(mAccount != null){
 801             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 802             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 803                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 804             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 805                 return true;
 806             }
 807         }*/
 808         return false;
 809     }
 810
 811
 812     /**
 813      * Once the file upload has finished -> update view
 814      *
 815      * Being notified about the finish of an upload is necessary for the next sequence:
 816      *   1. Upload a big file.
 817      *   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
 818      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 819      *   3. Click the file in the list to see its details.
 820      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 821      */
 822     private class UploadFinishReceiver extends BroadcastReceiver {
 823         @Override
 824         public void onReceive(Context context, Intent intent) {
 825             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 826
 827             if (!isEmpty() && accountName.equals(mAccount.name)) {
 828                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 829                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 830                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 831                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 832                     renamedInUpload) {
 833                     if (uploadWasFine) {
 834                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 835                     }
 836                     if (renamedInUpload) {
 837                         String newName = (new File(uploadRemotePath)).getName();
 838                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 839                         msg.show();
 840                     }
 841                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 842                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 843                 }
 844             }
 845         }
 846     }
 847
 848
 849     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 850     @SuppressWarnings("unused")
 851     private class ShareRunnable implements Runnable {
 852         private String mPath;
 853
 854         public ShareRunnable(String path) {
 855             mPath = path;
 856         }
 857
 858         public void run() {
 859             AccountManager am = AccountManager.get(getActivity());
 860             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 861             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 862             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 863
 864             Log.d("share", "sharing for version " + ocv.toString());
 865
 866             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 867                 String APPS_PATH = "/apps/files_sharing/";
 868                 String SHARE_PATH = "ajax/share.php";
 869
 870                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 871
 872                 final String WEBDAV_SCRIPT = "webdav.php";
 873                 final String WEBDAV_FILES_LOCATION = "/files/";
 874
 875                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 876                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 877                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 878
 879                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 880                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 881
 882                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 883
 884                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 885                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 886                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 887                 Log.d("share", mPath+"");
 888                 formparams.add(new BasicNameValuePair("sources",mPath));
 889                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 890                 formparams.add(new BasicNameValuePair("permissions", "0"));
 891                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 892
 893                 int status;
 894                 try {
 895                     PropFindMethod find = new PropFindMethod(url+"/");
 896                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 897                     Log.d("sharer", ""+ url+"/");
 898
 899                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 900                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 901                     }
 902
 903                     int status2 = wc.executeMethod(find);
 904
 905                     Log.d("sharer", "propstatus "+status2);
 906
 907                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 908                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 909
 910                     status2 = wc.executeMethod(get);
 911
 912                     Log.d("sharer", "getstatus "+status2);
 913                     Log.d("sharer", "" + get.getResponseBodyAsString());
 914
 915                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 916                         Log.d("sharer", a.getName() + ":"+a.getValue());
 917                     }
 918
 919                     status = wc.executeMethod(post);
 920                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 921                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 922                     }
 923                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 924                         Log.d("sharer", a.getName() + ":"+a.getValue());
 925                     }
 926                     String resp = post.getResponseBodyAsString();
 927                     Log.d("share", ""+post.getURI().toString());
 928                     Log.d("share", "returned status " + status);
 929                     Log.d("share", " " +resp);
 930
 931                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 932                         return;
 933                      }
 934
 935                     JSONObject jsonObject = new JSONObject (resp);
 936                     String jsonStatus = jsonObject.getString("status");
 937                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 938
 939                     String token = jsonObject.getString("data");
 940                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 941                     Log.d("Actions:shareFile ok", "url: " + uri);
 942
 943                 } catch (Exception e) {
 944                     e.printStackTrace();
 945                 }
 946
 947             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 948
 949             }
 950         }
 951     }
 952
 953     public void onDismiss(EditNameDialog dialog) {
 954         if (dialog.getResult()) {
 955             String newFilename = dialog.getNewFilename();
 956             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 957             mLastRemoteOperation = new RenameFileOperation( mFile,
 958                                                             mAccount,
 959                                                             newFilename,
 960                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 961             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 962             mLastRemoteOperation.execute(wc, this, mHandler);
 963             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 964             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 965         }
 966     }
 967
 968
 969     /**
 970      * {@inheritDoc}
 971      */
 972     @Override
 973     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 974         if (operation.equals(mLastRemoteOperation)) {
 975             if (operation instanceof RemoveFileOperation) {
 976                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 977
 978             } else if (operation instanceof RenameFileOperation) {
 979                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 980
 981             } else if (operation instanceof SynchronizeFileOperation) {
 982                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 983             }
 984         }
 985     }
 986
 987
 988     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 989         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 990         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 991
 992         if (result.isSuccess()) {
 993             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 994             msg.show();
 995             if (inDisplayActivity) {
 996                 // double pane
 997                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 998                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 999                 transaction.commit();
1000                 mContainerActivity.onFileStateChanged();
1001             } else {
1002                 getActivity().finish();
1003             }
1004
1005         } else {
1006             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
1007             msg.show();
1008             if (result.isSslRecoverableException()) {
1009                 // TODO show the SSL warning dialog
1010             }
1011         }
1012     }
1013
1014     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1015         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1016         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1017
1018         if (result.isSuccess()) {
1019             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1020             mContainerActivity.onFileStateChanged();
1021
1022         } else {
1023             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1024                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1025                 msg.show();
1026                 // TODO throw again the new rename dialog
1027             } else {
1028                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1029                 msg.show();
1030                 if (result.isSslRecoverableException()) {
1031                     // TODO show the SSL warning dialog
1032                 }
1033             }
1034         }
1035     }
1036
1037     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1038         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1039         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1040
1041         if (!result.isSuccess()) {
1042             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1043                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1044                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1045                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1046                 startActivity(i);
1047
1048             } else {
1049                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1050                 msg.show();
1051             }
1052
1053             if (mFile.isDown()) {
1054                 setButtonsForDown();
1055
1056             } else {
1057                 setButtonsForRemote();
1058             }
1059
1060         } else {
1061             if (operation.transferWasRequested()) {
1062                 setButtonsForTransferring();
1063                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1064                                                             // checking the service to see if the file is downloading results in FALSE
1065             } else {
1066                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1067                 msg.show();
1068                 if (mFile.isDown()) {
1069                     setButtonsForDown();
1070
1071                 } else {
1072                     setButtonsForRemote();
1073                 }
1074             }
1075         }
1076     }
1077
1078
1079     public void listenForTransferProgress() {
1080         if (mProgressListener != null) {
1081             if (mContainerActivity.getFileDownloaderBinder() != null) {
1082                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1083             }
1084             if (mContainerActivity.getFileUploaderBinder() != null) {
1085                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1086             }
1087         }
1088     }
1089
1090
1091     public void leaveTransferProgress() {
1092         if (mProgressListener != null) {
1093             if (mContainerActivity.getFileDownloaderBinder() != null) {
1094                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1095             }
1096             if (mContainerActivity.getFileUploaderBinder() != null) {
1097                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1098             }
1099         }
1100     }
1101
1102
1103
1104     /**
1105      * Helper class responsible for updating the progress bar shown for file uploading or downloading
1106      *
1107      * @author David A. Velasco
1108      */
1109     private class ProgressListener implements OnDatatransferProgressListener {
1110         int mLastPercent = 0;
1111         WeakReference<ProgressBar> mProgressBar = null;
1112
1113         ProgressListener(ProgressBar progressBar) {
1114             mProgressBar = new WeakReference<ProgressBar>(progressBar);
1115         }
1116
1117         @Override
1118         public void onTransferProgress(long progressRate) {
1119             // old method, nothing here
1120         };
1121
1122         @Override
1123         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
1124             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
1125             if (percent != mLastPercent) {
1126                 ProgressBar pb = mProgressBar.get();
1127                 if (pb != null) {
1128                     pb.setProgress(percent);
1129                     pb.postInvalidate();
1130                 }
1131             }
1132             mLastPercent = percent;
1133         }
1134
1135     };
1136
1137 }