src/com/owncloud/android/ui/fragment/FileDetailFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   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.util.ArrayList;
  22 import java.util.List;
  23
  24 import org.apache.commons.httpclient.methods.GetMethod;
  25 import org.apache.commons.httpclient.methods.PostMethod;
  26 import org.apache.commons.httpclient.methods.StringRequestEntity;
  27 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  28 import org.apache.http.HttpStatus;
  29 import org.apache.http.NameValuePair;
  30 import org.apache.http.client.utils.URLEncodedUtils;
  31 import org.apache.http.entity.FileEntity;
  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.annotation.SuppressLint;
  40 import android.app.Activity;
  41 import android.content.ActivityNotFoundException;
  42 import android.content.BroadcastReceiver;
  43 import android.content.ComponentName;
  44 import android.content.Context;
  45 import android.content.Intent;
  46 import android.content.IntentFilter;
  47 import android.content.ServiceConnection;
  48 import android.graphics.Bitmap;
  49 import android.graphics.BitmapFactory;
  50 import android.graphics.BitmapFactory.Options;
  51 import android.graphics.Point;
  52 import android.net.Uri;
  53 import android.os.AsyncTask;
  54 import android.os.Bundle;
  55 import android.os.Handler;
  56 import android.os.IBinder;
  57 import android.support.v4.app.DialogFragment;
  58 import android.support.v4.app.FragmentTransaction;
  59 import android.util.Log;
  60 import android.view.Display;
  61 import android.view.LayoutInflater;
  62 import android.view.MotionEvent;
  63 import android.view.View;
  64 import android.view.View.OnClickListener;
  65 import android.view.View.OnTouchListener;
  66 import android.view.ViewGroup;
  67 import android.webkit.MimeTypeMap;
  68 import android.widget.Button;
  69 import android.widget.CheckBox;
  70 import android.widget.ImageView;
  71 import android.widget.MediaController;
  72 import android.widget.TextView;
  73 import android.widget.Toast;
  74 import android.widget.VideoView;
  75
  76 import com.actionbarsherlock.app.SherlockFragment;
  77 import com.owncloud.android.AccountUtils;
  78 import com.owncloud.android.DisplayUtils;
  79 import com.owncloud.android.authenticator.AccountAuthenticator;
  80 import com.owncloud.android.datamodel.FileDataStorageManager;
  81 import com.owncloud.android.datamodel.OCFile;
  82 import com.owncloud.android.files.services.FileDownloader;
  83 import com.owncloud.android.files.services.FileObserverService;
  84 import com.owncloud.android.files.services.FileUploader;
  85 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  86 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  87 import com.owncloud.android.media.MediaService;
  88 import com.owncloud.android.media.MediaServiceBinder;
  89 import com.owncloud.android.network.OwnCloudClientUtils;
  90 import com.owncloud.android.operations.OnRemoteOperationListener;
  91 import com.owncloud.android.operations.RemoteOperation;
  92 import com.owncloud.android.operations.RemoteOperationResult;
  93 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  94 import com.owncloud.android.operations.RemoveFileOperation;
  95 import com.owncloud.android.operations.RenameFileOperation;
  96 import com.owncloud.android.operations.SynchronizeFileOperation;
  97 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  98 import com.owncloud.android.ui.activity.FileDetailActivity;
  99 import com.owncloud.android.ui.activity.FileDisplayActivity;
 100 import com.owncloud.android.ui.OnSwipeTouchListener;
 101 import com.owncloud.android.ui.activity.TransferServiceGetter;
 102 import com.owncloud.android.ui.activity.VideoActivity;
 103 import com.owncloud.android.ui.dialog.EditNameDialog;
 104 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
 105 import com.owncloud.android.utils.OwnCloudVersion;
 106
 107 import com.owncloud.android.R;
 108 import eu.alefzero.webdav.WebdavClient;
 109 import eu.alefzero.webdav.WebdavUtils;
 110
 111 /**
 112  * This Fragment is used to display the details about a file.
 113  *
 114  * @author Bartek Przybylski
 115  * @author David A. Velasco
 116  */
 117 public class FileDetailFragment extends SherlockFragment implements
 118         OnClickListener,
 119         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener,
 120         FileFragment {
 121
 122     public static final String EXTRA_FILE = "FILE";
 123     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 124
 125     private FileFragment.ContainerActivity mContainerActivity;
 126
 127     private int mLayout;
 128     private View mView;
 129     private OCFile mFile;
 130     private Account mAccount;
 131     private FileDataStorageManager mStorageManager;
 132
 133     private DownloadFinishReceiver mDownloadFinishReceiver;
 134     private UploadFinishReceiver mUploadFinishReceiver;
 135
 136     private Handler mHandler;
 137     private RemoteOperation mLastRemoteOperation;
 138
 139     private MediaServiceBinder mMediaServiceBinder = null;
 140     private MediaController mMediaController = null;
 141     private MediaServiceConnection mMediaServiceConnection = null;
 142
 143     private static final String TAG = FileDetailFragment.class.getSimpleName();
 144     public static final String FTAG = "FileDetails";
 145     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 146
 147
 148     /**
 149      * Creates an empty details fragment.
 150      *
 151      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 152      */
 153     public FileDetailFragment() {
 154         mFile = null;
 155         mAccount = null;
 156         mStorageManager = null;
 157         mLayout = R.layout.file_details_empty;
 158     }
 159
 160
 161     /**
 162      * Creates a details fragment.
 163      *
 164      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 165      *
 166      * @param fileToDetail      An {@link OCFile} to show in the fragment
 167      * @param ocAccount         An ownCloud account; needed to start downloads
 168      */
 169     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 170         mFile = fileToDetail;
 171         mAccount = ocAccount;
 172         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 173         mLayout = R.layout.file_details_empty;
 174     }
 175
 176
 177     @Override
 178     public void onCreate(Bundle savedInstanceState) {
 179         super.onCreate(savedInstanceState);
 180         mHandler = new Handler();
 181     }
 182
 183
 184     @Override
 185     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 186             Bundle savedInstanceState) {
 187         super.onCreateView(inflater, container, savedInstanceState);
 188
 189         if (savedInstanceState != null) {
 190             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 191             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 192         }
 193
 194         if(mFile != null && mAccount != null) {
 195             mLayout = R.layout.file_details_fragment;
 196         }
 197
 198         View view = null;
 199         view = inflater.inflate(mLayout, container, false);
 200         mView = view;
 201
 202         if (mLayout == R.layout.file_details_fragment) {
 203             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 204             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 205             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 206             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 207             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 208             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 209         }
 210
 211         updateFileDetails(false);
 212         return view;
 213     }
 214
 215
 216     /**
 217      * {@inheritDoc}
 218      */
 219     @Override
 220     public void onAttach(Activity activity) {
 221         super.onAttach(activity);
 222         try {
 223             mContainerActivity = (ContainerActivity) activity;
 224
 225         } catch (ClassCastException e) {
 226             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 227         }
 228     }
 229
 230
 231     /**
 232      * {@inheritDoc}
 233      */
 234     @Override
 235     public void onActivityCreated(Bundle savedInstanceState) {
 236         super.onActivityCreated(savedInstanceState);
 237         if (mAccount != null) {
 238             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());;
 239             mView.setOnTouchListener(new OnSwipeTouchListener(getActivity()));
 240         }
 241     }
 242
 243
 244     @Override
 245     public void onSaveInstanceState(Bundle outState) {
 246         Log.i(getClass().toString(), "onSaveInstanceState() start");
 247         super.onSaveInstanceState(outState);
 248         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 249         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 250         Log.i(getClass().toString(), "onSaveInstanceState() end");
 251     }
 252
 253     @Override
 254     public void onStart() {
 255         super.onStart();
 256         if (mFile != null && mFile.isAudio()) {
 257             bindMediaService();
 258         }
 259     }
 260
 261     @Override
 262     public void onResume() {
 263         super.onResume();
 264
 265         mDownloadFinishReceiver = new DownloadFinishReceiver();
 266         IntentFilter filter = new IntentFilter(
 267                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 268         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 269
 270         mUploadFinishReceiver = new UploadFinishReceiver();
 271         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 272         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 273
 274     }
 275
 276
 277     @Override
 278     public void onPause() {
 279         super.onPause();
 280
 281         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 282         mDownloadFinishReceiver = null;
 283
 284         getActivity().unregisterReceiver(mUploadFinishReceiver);
 285         mUploadFinishReceiver = null;
 286
 287     }
 288
 289
 290     @Override
 291     public void onStop() {
 292         super.onStop();
 293         if (mMediaServiceConnection != null) {
 294             Log.d(TAG, "Unbinding from MediaService ...");
 295             if (mMediaServiceBinder != null && mMediaController != null) {
 296                 mMediaServiceBinder.unregisterMediaController(mMediaController);
 297             }
 298             getActivity().unbindService(mMediaServiceConnection);
 299             mMediaServiceBinder = null;
 300             if (mMediaController != null) {
 301                 mMediaController.hide();
 302                 mMediaController = null;
 303             }
 304         }
 305     }
 306
 307
 308     @Override
 309     public View getView() {
 310         return super.getView() == null ? mView : super.getView();
 311     }
 312
 313
 314     @Override
 315     public void onClick(View v) {
 316         switch (v.getId()) {
 317             case R.id.fdDownloadBtn: {
 318                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 319                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 320                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 321                     downloaderBinder.cancel(mAccount, mFile);
 322                     if (mFile.isDown()) {
 323                         setButtonsForDown();
 324                     } else {
 325                         setButtonsForRemote();
 326                     }
 327
 328                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 329                     uploaderBinder.cancel(mAccount, mFile);
 330                     if (!mFile.fileExists()) {
 331                         // TODO make something better
 332                         if (getActivity() instanceof FileDisplayActivity) {
 333                             // double pane
 334                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 335                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 336                             transaction.commit();
 337                             mContainerActivity.onFileStateChanged();
 338                         } else {
 339                             getActivity().finish();
 340                         }
 341
 342                     } else if (mFile.isDown()) {
 343                         setButtonsForDown();
 344                     } else {
 345                         setButtonsForRemote();
 346                     }
 347
 348                 } else {
 349                     mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 350                     WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 351                     mLastRemoteOperation.execute(wc, this, mHandler);
 352
 353                     // update ui
 354                     boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 355                     getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 356                     setButtonsForTransferring(); // disable button immediately, although the synchronization does not result in a file transference
 357
 358                 }
 359                 break;
 360             }
 361             case R.id.fdKeepInSync: {
 362                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 363                 mFile.setKeepInSync(cb.isChecked());
 364                 mStorageManager.saveFile(mFile);
 365
 366                 /// register the OCFile instance in the observer service to monitor local updates;
 367                 /// if necessary, the file is download
 368                 Intent intent = new Intent(getActivity().getApplicationContext(),
 369                                            FileObserverService.class);
 370                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 371                            (cb.isChecked()?
 372                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 373                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 374                 intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 375                 intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 376                 Log.e(TAG, "starting observer service");
 377                 getActivity().startService(intent);
 378
 379                 if (mFile.keepInSync()) {
 380                     onClick(getView().findViewById(R.id.fdDownloadBtn));    // force an immediate synchronization
 381                 }
 382                 break;
 383             }
 384             case R.id.fdRenameBtn: {
 385                 EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), mFile.getFileName(), this);
 386                 dialog.show(getFragmentManager(), "nameeditdialog");
 387                 break;
 388             }
 389             case R.id.fdRemoveBtn: {
 390                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 391                         R.string.confirmation_remove_alert,
 392                         new String[]{mFile.getFileName()},
 393                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 394                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 395                         R.string.common_cancel);
 396                 confDialog.setOnConfirmationListener(this);
 397                 confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 398                 break;
 399             }
 400             case R.id.fdOpenBtn: {
 401                 openFile();
 402                 break;
 403             }
 404             default:
 405                 Log.e(TAG, "Incorrect view clicked!");
 406         }
 407
 408         /* else if (v.getId() == R.id.fdShareBtn) {
 409             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 410             t.start();
 411         }*/
 412     }
 413
 414
 415     private void startVideoActivity() {
 416         Intent i = new Intent(getActivity(), VideoActivity.class);
 417         i.putExtra(VideoActivity.EXTRA_FILE, mFile);
 418         i.putExtra(VideoActivity.EXTRA_ACCOUNT, mAccount);
 419         startActivity(i);
 420     }
 421
 422
 423     private void bindMediaService() {
 424         Log.d(TAG, "Binding to MediaService...");
 425         if (mMediaServiceConnection == null) {
 426             mMediaServiceConnection = new MediaServiceConnection();
 427         }
 428         getActivity().bindService(  new Intent(getActivity(),
 429                                     MediaService.class),
 430                                     mMediaServiceConnection,
 431                                     Context.BIND_AUTO_CREATE);
 432             // follow the flow in MediaServiceConnection#onServiceConnected(...)
 433     }
 434
 435     /** Defines callbacks for service binding, passed to bindService() */
 436     private class MediaServiceConnection implements ServiceConnection {
 437
 438         @Override
 439         public void onServiceConnected(ComponentName component, IBinder service) {
 440             if (component.equals(new ComponentName(getActivity(), MediaService.class))) {
 441                 Log.d(TAG, "Media service connected");
 442                 mMediaServiceBinder = (MediaServiceBinder) service;
 443                 if (mMediaServiceBinder != null) {
 444                     if (mMediaController == null) {
 445                         mMediaController = new MediaController(getSherlockActivity());
 446                     }
 447                     prepareMediaController();
 448
 449                     Log.d(TAG, "Successfully bound to MediaService, MediaController ready");
 450
 451                 } else {
 452                     Log.e(TAG, "Unexpected response from MediaService while binding");
 453                 }
 454             }
 455         }
 456
 457         private void prepareMediaController() {
 458             mMediaServiceBinder.registerMediaController(mMediaController);
 459             mMediaController.setMediaPlayer(mMediaServiceBinder);
 460             mMediaController.setAnchorView(getView());
 461             mMediaController.setEnabled(mMediaServiceBinder.isInPlaybackState());
 462         }
 463
 464         @Override
 465         public void onServiceDisconnected(ComponentName component) {
 466             if (component.equals(new ComponentName(getActivity(), MediaService.class))) {
 467                 Log.e(TAG, "Media service suddenly disconnected");
 468                 if (mMediaController != null) {
 469                     mMediaController.hide();
 470                     mMediaController.setMediaPlayer(null);
 471                     mMediaController = null;
 472                 }
 473                 mMediaServiceBinder = null;
 474                 mMediaServiceConnection = null;
 475             }
 476         }
 477     }
 478
 479
 480     /**
 481      * Opens mFile.
 482      */
 483     private void openFile() {
 484
 485         String storagePath = mFile.getStoragePath();
 486         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 487         try {
 488             Intent i = new Intent(Intent.ACTION_VIEW);
 489             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 490             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 491             startActivity(i);
 492
 493         } catch (Throwable t) {
 494             Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 495             boolean toastIt = true;
 496             String mimeType = "";
 497             try {
 498                 Intent i = new Intent(Intent.ACTION_VIEW);
 499                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 500                 if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 501                     if (mimeType != null) {
 502                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 503                     } else {
 504                         // desperate try
 505                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 506                     }
 507                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 508                     startActivity(i);
 509                     toastIt = false;
 510                 }
 511
 512             } catch (IndexOutOfBoundsException e) {
 513                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 514
 515             } catch (ActivityNotFoundException e) {
 516                 Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 517
 518             } catch (Throwable th) {
 519                 Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 520
 521             } finally {
 522                 if (toastIt) {
 523                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 524                 }
 525             }
 526
 527         }
 528     }
 529
 530
 531     @Override
 532     public void onConfirmation(String callerTag) {
 533         if (callerTag.equals(FTAG_CONFIRMATION)) {
 534             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 535                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 536                                                                 true,
 537                                                                 mStorageManager);
 538                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 539                 mLastRemoteOperation.execute(wc, this, mHandler);
 540
 541                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 542                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 543             }
 544         }
 545     }
 546
 547     @Override
 548     public void onNeutral(String callerTag) {
 549         File f = null;
 550         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 551             f.delete();
 552             mFile.setStoragePath(null);
 553             mStorageManager.saveFile(mFile);
 554             updateFileDetails(mFile, mAccount);
 555         }
 556     }
 557
 558     @Override
 559     public void onCancel(String callerTag) {
 560         Log.d(TAG, "REMOVAL CANCELED");
 561     }
 562
 563
 564     /**
 565      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 566      *
 567      * @return  True when the fragment was created with the empty layout.
 568      */
 569     public boolean isEmpty() {
 570         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 571     }
 572
 573
 574     /**
 575      * {@inheritDoc}
 576      */
 577     public OCFile getFile(){
 578         return mFile;
 579     }
 580
 581     /**
 582      * Use this method to signal this Activity that it shall update its view.
 583      *
 584      * @param file : An {@link OCFile}
 585      */
 586     public void updateFileDetails(OCFile file, Account ocAccount) {
 587         mFile = file;
 588         if (ocAccount != null && (
 589                 mStorageManager == null ||
 590                 (mAccount != null && !mAccount.equals(ocAccount))
 591            )) {
 592             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 593         }
 594         mAccount = ocAccount;
 595         updateFileDetails(false);
 596     }
 597
 598
 599     /**
 600      * Updates the view with all relevant details about that file.
 601      *
 602      * TODO Remove parameter when the transferring state of files is kept in database.
 603      *
 604      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 605      *
 606      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 607      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 608      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 609      *
 610      */
 611     public void updateFileDetails(boolean transferring) {
 612
 613         if (readyToShow()) {
 614
 615             // set file details
 616             setFilename(mFile.getFileName());
 617             setFiletype(mFile.getMimetype());
 618             setFilesize(mFile.getFileLength());
 619             if(ocVersionSupportsTimeCreated()){
 620                 setTimeCreated(mFile.getCreationTimestamp());
 621             }
 622
 623             setTimeModified(mFile.getModificationTimestamp());
 624
 625             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 626             cb.setChecked(mFile.keepInSync());
 627
 628             // configure UI for depending upon local state of the file
 629             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 630             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 631             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 632             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 633                 setButtonsForTransferring();
 634
 635             } else if (mFile.isDown()) {
 636
 637                 setButtonsForDown();
 638
 639             } else {
 640                 // TODO load default preview image; when the local file is removed, the preview remains there
 641                 setButtonsForRemote();
 642             }
 643         }
 644         getView().invalidate();
 645     }
 646
 647
 648     /**
 649      * Checks if the fragment is ready to show details of a OCFile
 650      *
 651      * @return  'True' when the fragment is ready to show details of a file
 652      */
 653     private boolean readyToShow() {
 654         return (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 655     }
 656
 657
 658
 659     /**
 660      * Updates the filename in view
 661      * @param filename to set
 662      */
 663     private void setFilename(String filename) {
 664         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 665         if (tv != null)
 666             tv.setText(filename);
 667     }
 668
 669     /**
 670      * Updates the MIME type in view
 671      * @param mimetype to set
 672      */
 673     private void setFiletype(String mimetype) {
 674         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 675         if (tv != null) {
 676             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 677             tv.setText(printableMimetype);
 678         }
 679         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 680         if (iv != null) {
 681             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 682         }
 683     }
 684
 685     /**
 686      * Updates the file size in view
 687      * @param filesize in bytes to set
 688      */
 689     private void setFilesize(long filesize) {
 690         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 691         if (tv != null)
 692             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 693     }
 694
 695     /**
 696      * Updates the time that the file was created in view
 697      * @param milliseconds Unix time to set
 698      */
 699     private void setTimeCreated(long milliseconds){
 700         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 701         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 702         if(tv != null){
 703             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 704             tv.setVisibility(View.VISIBLE);
 705             tvLabel.setVisibility(View.VISIBLE);
 706         }
 707     }
 708
 709     /**
 710      * Updates the time that the file was last modified
 711      * @param milliseconds Unix time to set
 712      */
 713     private void setTimeModified(long milliseconds){
 714         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 715         if(tv != null){
 716             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 717         }
 718     }
 719
 720     /**
 721      * Enables or disables buttons for a file being downloaded
 722      */
 723     private void setButtonsForTransferring() {
 724         if (!isEmpty()) {
 725             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 726             downloadButton.setText(R.string.common_cancel);
 727             //downloadButton.setEnabled(false);
 728
 729             // let's protect the user from himself ;)
 730             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 731             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 732             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 733             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 734         }
 735     }
 736
 737     /**
 738      * Enables or disables buttons for a file locally available
 739      */
 740     private void setButtonsForDown() {
 741         if (!isEmpty()) {
 742             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 743             downloadButton.setText(R.string.filedetails_sync_file);
 744
 745             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 746             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 747             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 748             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 749         }
 750     }
 751
 752     /**
 753      * Enables or disables buttons for a file not locally available
 754      */
 755     private void setButtonsForRemote() {
 756         if (!isEmpty()) {
 757             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 758             downloadButton.setText(R.string.filedetails_download);
 759
 760             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 761             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 762             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 763             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 764         }
 765     }
 766
 767
 768     /**
 769      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 770      * the time that the file was created. There is a chance that this will
 771      * be fixed in future versions. Use this method to check if this version of
 772      * ownCloud has this fix.
 773      * @return True, if ownCloud the ownCloud version is supporting creation time
 774      */
 775     private boolean ocVersionSupportsTimeCreated(){
 776         /*if(mAccount != null){
 777             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 778             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 779                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 780             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 781                 return true;
 782             }
 783         }*/
 784         return false;
 785     }
 786
 787
 788     /**
 789      * Once the file download has finished -> update view
 790      * @author Bartek Przybylski
 791      */
 792     private class DownloadFinishReceiver extends BroadcastReceiver {
 793         @Override
 794         public void onReceive(Context context, Intent intent) {
 795             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 796
 797             if (!isEmpty() && accountName.equals(mAccount.name)) {
 798                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 799                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 800                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 801                     if (downloadWasFine) {
 802                         mFile = mStorageManager.getFileByPath(downloadedRemotePath);
 803                     }
 804                     updateFileDetails(false);    // it updates the buttons; must be called although !downloadWasFine
 805                 }
 806             }
 807         }
 808     }
 809
 810
 811     /**
 812      * Once the file upload has finished -> update view
 813      *
 814      * Being notified about the finish of an upload is necessary for the next sequence:
 815      *   1. Upload a big file.
 816      *   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
 817      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 818      *   3. Click the file in the list to see its details.
 819      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 820      */
 821     private class UploadFinishReceiver extends BroadcastReceiver {
 822         @Override
 823         public void onReceive(Context context, Intent intent) {
 824             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 825
 826             if (!isEmpty() && accountName.equals(mAccount.name)) {
 827                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 828                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 829                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 830                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 831                     renamedInUpload) {
 832                     if (uploadWasFine) {
 833                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 834                     }
 835                     if (renamedInUpload) {
 836                         String newName = (new File(uploadRemotePath)).getName();
 837                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 838                         msg.show();
 839                     }
 840                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 841                     updateFileDetails(false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 842                 }
 843             }
 844         }
 845     }
 846
 847
 848     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 849     @SuppressWarnings("unused")
 850     private class ShareRunnable implements Runnable {
 851         private String mPath;
 852
 853         public ShareRunnable(String path) {
 854             mPath = path;
 855         }
 856
 857         public void run() {
 858             AccountManager am = AccountManager.get(getActivity());
 859             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 860             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 861             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 862
 863             Log.d("share", "sharing for version " + ocv.toString());
 864
 865             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 866                 String APPS_PATH = "/apps/files_sharing/";
 867                 String SHARE_PATH = "ajax/share.php";
 868
 869                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 870
 871                 final String WEBDAV_SCRIPT = "webdav.php";
 872                 final String WEBDAV_FILES_LOCATION = "/files/";
 873
 874                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 875                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 876                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 877
 878                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 879                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 880
 881                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 882
 883                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 884                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 885                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 886                 Log.d("share", mPath+"");
 887                 formparams.add(new BasicNameValuePair("sources",mPath));
 888                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 889                 formparams.add(new BasicNameValuePair("permissions", "0"));
 890                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 891
 892                 int status;
 893                 try {
 894                     PropFindMethod find = new PropFindMethod(url+"/");
 895                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 896                     Log.d("sharer", ""+ url+"/");
 897
 898                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 899                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 900                     }
 901
 902                     int status2 = wc.executeMethod(find);
 903
 904                     Log.d("sharer", "propstatus "+status2);
 905
 906                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 907                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 908
 909                     status2 = wc.executeMethod(get);
 910
 911                     Log.d("sharer", "getstatus "+status2);
 912                     Log.d("sharer", "" + get.getResponseBodyAsString());
 913
 914                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 915                         Log.d("sharer", a.getName() + ":"+a.getValue());
 916                     }
 917
 918                     status = wc.executeMethod(post);
 919                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 920                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 921                     }
 922                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 923                         Log.d("sharer", a.getName() + ":"+a.getValue());
 924                     }
 925                     String resp = post.getResponseBodyAsString();
 926                     Log.d("share", ""+post.getURI().toString());
 927                     Log.d("share", "returned status " + status);
 928                     Log.d("share", " " +resp);
 929
 930                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 931                         return;
 932                      }
 933
 934                     JSONObject jsonObject = new JSONObject (resp);
 935                     String jsonStatus = jsonObject.getString("status");
 936                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 937
 938                     String token = jsonObject.getString("data");
 939                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 940                     Log.d("Actions:shareFile ok", "url: " + uri);
 941
 942                 } catch (Exception e) {
 943                     e.printStackTrace();
 944                 }
 945
 946             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 947
 948             }
 949         }
 950     }
 951
 952     public void onDismiss(EditNameDialog dialog) {
 953         if (dialog.getResult()) {
 954             String newFilename = dialog.getNewFilename();
 955             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 956             mLastRemoteOperation = new RenameFileOperation( mFile,
 957                                                             mAccount,
 958                                                             newFilename,
 959                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 960             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 961             mLastRemoteOperation.execute(wc, this, mHandler);
 962             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 963             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 964         }
 965     }
 966
 967
 968     /**
 969      * {@inheritDoc}
 970      */
 971     @Override
 972     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 973         if (operation.equals(mLastRemoteOperation)) {
 974             if (operation instanceof RemoveFileOperation) {
 975                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 976
 977             } else if (operation instanceof RenameFileOperation) {
 978                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 979
 980             } else if (operation instanceof SynchronizeFileOperation) {
 981                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 982             }
 983         }
 984     }
 985
 986
 987     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 988         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 989         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 990
 991         if (result.isSuccess()) {
 992             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 993             msg.show();
 994             if (inDisplayActivity) {
 995                 // double pane
 996                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 997                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 998                 transaction.commit();
 999                 mContainerActivity.onFileStateChanged();
1000             } else {
1001                 getActivity().finish();
1002             }
1003
1004         } else {
1005             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
1006             msg.show();
1007             if (result.isSslRecoverableException()) {
1008                 // TODO show the SSL warning dialog
1009             }
1010         }
1011     }
1012
1013     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1014         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1015         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1016
1017         if (result.isSuccess()) {
1018             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1019             mContainerActivity.onFileStateChanged();
1020
1021         } else {
1022             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1023                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1024                 msg.show();
1025                 // TODO throw again the new rename dialog
1026             } else {
1027                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1028                 msg.show();
1029                 if (result.isSslRecoverableException()) {
1030                     // TODO show the SSL warning dialog
1031                 }
1032             }
1033         }
1034     }
1035
1036     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1037         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1038         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1039
1040         if (!result.isSuccess()) {
1041             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1042                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1043                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1044                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1045                 startActivity(i);
1046
1047             } else {
1048                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1049                 msg.show();
1050             }
1051
1052             if (mFile.isDown()) {
1053                 setButtonsForDown();
1054
1055             } else {
1056                 setButtonsForRemote();
1057             }
1058
1059         } else {
1060             if (operation.transferWasRequested()) {
1061                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1062                                                             // checking the service to see if the file is downloading results in FALSE
1063             } else {
1064                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1065                 msg.show();
1066                 if (mFile.isDown()) {
1067                     setButtonsForDown();
1068
1069                 } else {
1070                     setButtonsForRemote();
1071                 }
1072             }
1073         }
1074     }
1075
1076
1077 }