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.io.IOException;
  22 import java.util.ArrayList;
  23 import java.util.List;
  24
  25 import org.apache.commons.httpclient.HttpException;
  26 import org.apache.commons.httpclient.methods.GetMethod;
  27 import org.apache.commons.httpclient.methods.PostMethod;
  28 import org.apache.commons.httpclient.methods.StringRequestEntity;
  29 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  30 import org.apache.http.HttpStatus;
  31 import org.apache.http.NameValuePair;
  32 import org.apache.http.client.utils.URLEncodedUtils;
  33 import org.apache.http.message.BasicNameValuePair;
  34 import org.apache.http.protocol.HTTP;
  35 import org.apache.jackrabbit.webdav.client.methods.DavMethodBase;
  36 import org.apache.jackrabbit.webdav.client.methods.DeleteMethod;
  37 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  38 import org.json.JSONObject;
  39
  40 import android.accounts.Account;
  41 import android.accounts.AccountManager;
  42 import android.annotation.SuppressLint;
  43 import android.app.Activity;
  44 import android.content.ActivityNotFoundException;
  45 import android.content.BroadcastReceiver;
  46 import android.content.Context;
  47 import android.content.Intent;
  48 import android.content.IntentFilter;
  49 import android.content.res.Resources.NotFoundException;
  50 import android.graphics.Bitmap;
  51 import android.graphics.BitmapFactory;
  52 import android.graphics.BitmapFactory.Options;
  53 import android.graphics.Point;
  54 import android.net.Uri;
  55 import android.os.AsyncTask;
  56 import android.os.Bundle;
  57 import android.os.Handler;
  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.View;
  63 import android.view.View.OnClickListener;
  64 import android.view.ViewGroup;
  65 import android.view.WindowManager.LayoutParams;
  66 import android.webkit.MimeTypeMap;
  67 import android.widget.Button;
  68 import android.widget.CheckBox;
  69 import android.widget.ImageView;
  70 import android.widget.TextView;
  71 import android.widget.Toast;
  72
  73 import com.actionbarsherlock.app.SherlockDialogFragment;
  74 import com.actionbarsherlock.app.SherlockFragment;
  75 import com.owncloud.android.AccountUtils;
  76 import com.owncloud.android.DisplayUtils;
  77 import com.owncloud.android.authenticator.AccountAuthenticator;
  78 import com.owncloud.android.datamodel.FileDataStorageManager;
  79 import com.owncloud.android.datamodel.OCFile;
  80 import com.owncloud.android.files.services.FileDownloader;
  81 import com.owncloud.android.files.services.FileObserverService;
  82 import com.owncloud.android.files.services.FileUploader;
  83 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  84 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  85 import com.owncloud.android.network.OwnCloudClientUtils;
  86 import com.owncloud.android.ui.activity.FileDetailActivity;
  87 import com.owncloud.android.ui.activity.FileDisplayActivity;
  88 import com.owncloud.android.ui.activity.TransferServiceGetter;
  89 import com.owncloud.android.utils.OwnCloudVersion;
  90
  91 import com.owncloud.android.R;
  92 import eu.alefzero.webdav.WebdavClient;
  93 import eu.alefzero.webdav.WebdavUtils;
  94
  95 /**
  96  * This Fragment is used to display the details about a file.
  97  *
  98  * @author Bartek Przybylski
  99  *
 100  */
 101 public class FileDetailFragment extends SherlockFragment implements
 102         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener {
 103
 104     public static final String EXTRA_FILE = "FILE";
 105     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 106
 107     private FileDetailFragment.ContainerActivity mContainerActivity;
 108
 109     private int mLayout;
 110     private View mView;
 111     private OCFile mFile;
 112     private Account mAccount;
 113     private ImageView mPreview;
 114
 115     private DownloadFinishReceiver mDownloadFinishReceiver;
 116     private UploadFinishReceiver mUploadFinishReceiver;
 117
 118     private static final String TAG = "FileDetailFragment";
 119     public static final String FTAG = "FileDetails";
 120     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 121
 122
 123     /**
 124      * Creates an empty details fragment.
 125      *
 126      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 127      */
 128     public FileDetailFragment() {
 129         mFile = null;
 130         mAccount = null;
 131         mLayout = R.layout.file_details_empty;
 132     }
 133
 134
 135     /**
 136      * Creates a details fragment.
 137      *
 138      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 139      *
 140      * @param fileToDetail      An {@link OCFile} to show in the fragment
 141      * @param ocAccount         An ownCloud account; needed to start downloads
 142      */
 143     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 144         mFile = fileToDetail;
 145         mAccount = ocAccount;
 146         mLayout = R.layout.file_details_empty;
 147
 148         if(fileToDetail != null && ocAccount != null) {
 149             mLayout = R.layout.file_details_fragment;
 150         }
 151     }
 152
 153
 154     @Override
 155     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 156             Bundle savedInstanceState) {
 157         super.onCreateView(inflater, container, savedInstanceState);
 158
 159         if (savedInstanceState != null) {
 160             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 161             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 162         }
 163
 164         View view = null;
 165         view = inflater.inflate(mLayout, container, false);
 166         mView = view;
 167
 168         if (mLayout == R.layout.file_details_fragment) {
 169             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 170             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 171             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 172             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 173             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 174             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 175             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 176         }
 177
 178         updateFileDetails();
 179         return view;
 180     }
 181
 182
 183     /**
 184      * {@inheritDoc}
 185      */
 186     @Override
 187     public void onAttach(Activity activity) {
 188         super.onAttach(activity);
 189         try {
 190             mContainerActivity = (ContainerActivity) activity;
 191         } catch (ClassCastException e) {
 192             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getCanonicalName());
 193         }
 194     }
 195
 196
 197     @Override
 198     public void onSaveInstanceState(Bundle outState) {
 199         Log.i(getClass().toString(), "onSaveInstanceState() start");
 200         super.onSaveInstanceState(outState);
 201         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 202         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 203         Log.i(getClass().toString(), "onSaveInstanceState() end");
 204     }
 205
 206
 207     @Override
 208     public void onResume() {
 209         super.onResume();
 210
 211         mDownloadFinishReceiver = new DownloadFinishReceiver();
 212         IntentFilter filter = new IntentFilter(
 213                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 214         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 215
 216         mUploadFinishReceiver = new UploadFinishReceiver();
 217         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 218         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 219
 220         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 221     }
 222
 223     @Override
 224     public void onPause() {
 225         super.onPause();
 226
 227         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 228         mDownloadFinishReceiver = null;
 229
 230         getActivity().unregisterReceiver(mUploadFinishReceiver);
 231         mUploadFinishReceiver = null;
 232
 233         if (mPreview != null) {
 234             mPreview = null;
 235         }
 236     }
 237
 238     @Override
 239     public View getView() {
 240         return super.getView() == null ? mView : super.getView();
 241     }
 242
 243
 244
 245     @Override
 246     public void onClick(View v) {
 247         switch (v.getId()) {
 248             case R.id.fdDownloadBtn: {
 249                 //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath())) {
 250                 FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 251                 FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 252                 if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 253                     downloaderBinder.cancel(mAccount, mFile);
 254                     if (mFile.isDown()) {
 255                         setButtonsForDown();
 256                     } else {
 257                         setButtonsForRemote();
 258                     }
 259
 260                 } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 261                     uploaderBinder.cancel(mAccount, mFile);
 262                     if (!mFile.fileExists()) {
 263                         // TODO make something better
 264                         if (getActivity() instanceof FileDisplayActivity) {
 265                             // double pane
 266                             FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 267                             transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 268                             transaction.commit();
 269                             mContainerActivity.onFileStateChanged();
 270                         } else {
 271                             getActivity().finish();
 272                         }
 273
 274                     } else if (mFile.isDown()) {
 275                         setButtonsForDown();
 276                     } else {
 277                         setButtonsForRemote();
 278                     }
 279
 280                 } else {
 281                     Intent i = new Intent(getActivity(), FileDownloader.class);
 282                     i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 283                     i.putExtra(FileDownloader.EXTRA_FILE, mFile);
 284                     /*i.putExtra(FileDownloader.EXTRA_REMOTE_PATH, mFile.getRemotePath());
 285                     i.putExtra(FileDownloader.EXTRA_FILE_PATH, mFile.getRemotePath());
 286                     i.putExtra(FileDownloader.EXTRA_FILE_SIZE, mFile.getFileLength());*/
 287
 288                     // update ui
 289                     setButtonsForTransferring();
 290
 291                     getActivity().startService(i);
 292                     mContainerActivity.onFileStateChanged();    // this is not working; it is performed before the fileDownloadService registers it as 'in progress'
 293                 }
 294                 break;
 295             }
 296             case R.id.fdKeepInSync: {
 297                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 298                 mFile.setKeepInSync(cb.isChecked());
 299                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 300                 fdsm.saveFile(mFile);
 301                 if (mFile.keepInSync()) {
 302                     onClick(getView().findViewById(R.id.fdDownloadBtn));
 303                 } else {
 304                     mContainerActivity.onFileStateChanged();    // put inside 'else' to not call it twice (here, and in the virtual click on fdDownloadBtn)
 305                 }
 306
 307                 Intent intent = new Intent(getActivity().getApplicationContext(),
 308                                            FileObserverService.class);
 309                 intent.putExtra(FileObserverService.KEY_FILE_CMD,
 310                            (cb.isChecked()?
 311                                    FileObserverService.CMD_ADD_OBSERVED_FILE:
 312                                    FileObserverService.CMD_DEL_OBSERVED_FILE));
 313                 intent.putExtra(FileObserverService.KEY_CMD_ARG, mFile.getStoragePath());
 314                 Log.e(TAG, "starting observer service");
 315                 getActivity().startService(intent);
 316
 317                 break;
 318             }
 319             case R.id.fdRenameBtn: {
 320                 EditNameFragment dialog = EditNameFragment.newInstance(mFile.getFileName());
 321                 dialog.show(getFragmentManager(), "nameeditdialog");
 322                 dialog.setOnDismissListener(this);
 323                 break;
 324             }
 325             case R.id.fdRemoveBtn: {
 326                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 327                         R.string.confirmation_remove_alert,
 328                         new String[]{mFile.getFileName()},
 329                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 330                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 331                         R.string.common_cancel);
 332                 confDialog.setOnConfirmationListener(this);
 333                 confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 334                 break;
 335             }
 336             case R.id.fdOpenBtn: {
 337                 String storagePath = mFile.getStoragePath();
 338                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 339                 try {
 340                     Intent i = new Intent(Intent.ACTION_VIEW);
 341                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 342                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 343                     startActivity(i);
 344
 345                 } catch (Throwable t) {
 346                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 347                     boolean toastIt = true;
 348                     String mimeType = "";
 349                     try {
 350                         Intent i = new Intent(Intent.ACTION_VIEW);
 351                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 352                         if (mimeType != null && !mimeType.equals(mFile.getMimetype())) {
 353                             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 354                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 355                             startActivity(i);
 356                             toastIt = false;
 357                         }
 358
 359                     } catch (IndexOutOfBoundsException e) {
 360                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 361
 362                     } catch (ActivityNotFoundException e) {
 363                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 364
 365                     } catch (Throwable th) {
 366                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 367
 368                     } finally {
 369                         if (toastIt) {
 370                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 371                         }
 372                     }
 373
 374                 }
 375                 break;
 376             }
 377             default:
 378                 Log.e(TAG, "Incorrect view clicked!");
 379         }
 380
 381         /* else if (v.getId() == R.id.fdShareBtn) {
 382             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 383             t.start();
 384         }*/
 385     }
 386
 387
 388     @Override
 389     public void onConfirmation(String callerTag) {
 390         if (callerTag.equals(FTAG_CONFIRMATION)) {
 391             FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 392             if (fdsm.getFileById(mFile.getFileId()) != null) {
 393                 new Thread(new RemoveRunnable(mFile, mAccount, new Handler())).start();
 394                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 395                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 396             }
 397         }
 398     }
 399
 400     @Override
 401     public void onNeutral(String callerTag) {
 402         FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 403         File f = null;
 404         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 405             f.delete();
 406             mFile.setStoragePath(null);
 407             fdsm.saveFile(mFile);
 408             updateFileDetails(mFile, mAccount);
 409         }
 410     }
 411
 412     @Override
 413     public void onCancel(String callerTag) {
 414         Log.d(TAG, "REMOVAL CANCELED");
 415     }
 416
 417
 418     /**
 419      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 420      *
 421      * @return  True when the fragment was created with the empty layout.
 422      */
 423     public boolean isEmpty() {
 424         return mLayout == R.layout.file_details_empty;
 425     }
 426
 427
 428     /**
 429      * Can be used to get the file that is currently being displayed.
 430      * @return The file on the screen.
 431      */
 432     public OCFile getDisplayedFile(){
 433         return mFile;
 434     }
 435
 436     /**
 437      * Use this method to signal this Activity that it shall update its view.
 438      *
 439      * @param file : An {@link OCFile}
 440      */
 441     public void updateFileDetails(OCFile file, Account ocAccount) {
 442         mFile = file;
 443         mAccount = ocAccount;
 444         updateFileDetails();
 445     }
 446
 447
 448     /**
 449      * Updates the view with all relevant details about that file.
 450      */
 451     public void updateFileDetails() {
 452
 453         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 454
 455             // set file details
 456             setFilename(mFile.getFileName());
 457             setFiletype(DisplayUtils.convertMIMEtoPrettyPrint(mFile
 458                     .getMimetype()));
 459             setFilesize(mFile.getFileLength());
 460             if(ocVersionSupportsTimeCreated()){
 461                 setTimeCreated(mFile.getCreationTimestamp());
 462             }
 463
 464             setTimeModified(mFile.getModificationTimestamp());
 465
 466             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 467             cb.setChecked(mFile.keepInSync());
 468
 469             // configure UI for depending upon local state of the file
 470             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 471             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 472             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 473             if ((downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 474                 setButtonsForTransferring();
 475
 476             } else if (mFile.isDown()) {
 477                 // Update preview
 478                 if (mFile.getMimetype().startsWith("image/")) {
 479                     BitmapLoader bl = new BitmapLoader();
 480                     bl.execute(new String[]{mFile.getStoragePath()});
 481                 }
 482
 483                 setButtonsForDown();
 484
 485             } else {
 486                 setButtonsForRemote();
 487             }
 488         }
 489     }
 490
 491
 492     /**
 493      * Updates the filename in view
 494      * @param filename to set
 495      */
 496     private void setFilename(String filename) {
 497         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 498         if (tv != null)
 499             tv.setText(filename);
 500     }
 501
 502     /**
 503      * Updates the MIME type in view
 504      * @param mimetype to set
 505      */
 506     private void setFiletype(String mimetype) {
 507         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 508         if (tv != null)
 509             tv.setText(mimetype);
 510     }
 511
 512     /**
 513      * Updates the file size in view
 514      * @param filesize in bytes to set
 515      */
 516     private void setFilesize(long filesize) {
 517         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 518         if (tv != null)
 519             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 520     }
 521
 522     /**
 523      * Updates the time that the file was created in view
 524      * @param milliseconds Unix time to set
 525      */
 526     private void setTimeCreated(long milliseconds){
 527         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 528         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 529         if(tv != null){
 530             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 531             tv.setVisibility(View.VISIBLE);
 532             tvLabel.setVisibility(View.VISIBLE);
 533         }
 534     }
 535
 536     /**
 537      * Updates the time that the file was last modified
 538      * @param milliseconds Unix time to set
 539      */
 540     private void setTimeModified(long milliseconds){
 541         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 542         if(tv != null){
 543             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 544         }
 545     }
 546
 547     /**
 548      * Enables or disables buttons for a file being downloaded
 549      */
 550     private void setButtonsForTransferring() {
 551         if (!isEmpty()) {
 552             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 553             downloadButton.setText(R.string.common_cancel);
 554             //downloadButton.setEnabled(false);
 555
 556             // let's protect the user from himself ;)
 557             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 558             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 559             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 560             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 561         }
 562     }
 563
 564     /**
 565      * Enables or disables buttons for a file locally available
 566      */
 567     private void setButtonsForDown() {
 568         if (!isEmpty()) {
 569             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 570             downloadButton.setText(R.string.filedetails_redownload);
 571             //downloadButton.setEnabled(true);
 572
 573             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 574             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 575             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 576             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 577         }
 578     }
 579
 580     /**
 581      * Enables or disables buttons for a file not locally available
 582      */
 583     private void setButtonsForRemote() {
 584         if (!isEmpty()) {
 585             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 586             downloadButton.setText(R.string.filedetails_download);
 587
 588             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 589             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 590             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 591             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 592         }
 593     }
 594
 595
 596     /**
 597      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 598      * the time that the file was created. There is a chance that this will
 599      * be fixed in future versions. Use this method to check if this version of
 600      * ownCloud has this fix.
 601      * @return True, if ownCloud the ownCloud version is supporting creation time
 602      */
 603     private boolean ocVersionSupportsTimeCreated(){
 604         /*if(mAccount != null){
 605             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 606             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 607                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 608             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 609                 return true;
 610             }
 611         }*/
 612         return false;
 613     }
 614
 615
 616     /**
 617      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 618      *
 619      * @author David A. Velasco
 620      */
 621     public interface ContainerActivity extends TransferServiceGetter {
 622
 623         /**
 624          * Callback method invoked when the detail fragment wants to notice its container
 625          * activity about a relevant state the file shown by the fragment.
 626          *
 627          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 628          *
 629          * Currently called when:
 630          *  - a download is started;
 631          *  - a rename is completed;
 632          *  - a deletion is completed;
 633          *  - the 'inSync' flag is changed;
 634          */
 635         public void onFileStateChanged();
 636
 637     }
 638
 639
 640     /**
 641      * Once the file download has finished -> update view
 642      * @author Bartek Przybylski
 643      */
 644     private class DownloadFinishReceiver extends BroadcastReceiver {
 645         @Override
 646         public void onReceive(Context context, Intent intent) {
 647             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 648
 649             if (!isEmpty() && accountName.equals(mAccount.name)) {
 650                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 651                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 652                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 653                     if (downloadWasFine) {
 654                         mFile.setStoragePath(intent.getStringExtra(FileDownloader.EXTRA_FILE_PATH));    // updates the local object without accessing the database again
 655                     }
 656                     updateFileDetails();    // it updates the buttons; must be called although !downloadWasFine
 657                 }
 658             }
 659         }
 660     }
 661
 662
 663     /**
 664      * Once the file upload has finished -> update view
 665      *
 666      * Being notified about the finish of an upload is necessary for the next sequence:
 667      *   1. Upload a big file.
 668      *   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
 669      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 670      *   3. Click the file in the list to see its details.
 671      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 672      */
 673     private class UploadFinishReceiver extends BroadcastReceiver {
 674         @Override
 675         public void onReceive(Context context, Intent intent) {
 676             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 677
 678             if (!isEmpty() && accountName.equals(mAccount.name)) {
 679                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 680                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 681                 if (mFile.getRemotePath().equals(uploadRemotePath)) {
 682                     if (uploadWasFine) {
 683                         FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 684                         mFile = fdsm.getFileByPath(mFile.getRemotePath());
 685                     }
 686                     updateFileDetails();    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 687                 }
 688             }
 689         }
 690     }
 691
 692
 693     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 694     @SuppressWarnings("unused")
 695     private class ShareRunnable implements Runnable {
 696         private String mPath;
 697
 698         public ShareRunnable(String path) {
 699             mPath = path;
 700         }
 701
 702         public void run() {
 703             AccountManager am = AccountManager.get(getActivity());
 704             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 705             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 706             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 707
 708             Log.d("share", "sharing for version " + ocv.toString());
 709
 710             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 711                 String APPS_PATH = "/apps/files_sharing/";
 712                 String SHARE_PATH = "ajax/share.php";
 713
 714                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 715
 716                 final String WEBDAV_SCRIPT = "webdav.php";
 717                 final String WEBDAV_FILES_LOCATION = "/files/";
 718
 719                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 720                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 721                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 722
 723                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 724                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 725
 726                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 727
 728                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 729                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 730                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 731                 Log.d("share", mPath+"");
 732                 formparams.add(new BasicNameValuePair("sources",mPath));
 733                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 734                 formparams.add(new BasicNameValuePair("permissions", "0"));
 735                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 736
 737                 int status;
 738                 try {
 739                     PropFindMethod find = new PropFindMethod(url+"/");
 740                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 741                     Log.d("sharer", ""+ url+"/");
 742
 743                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 744                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 745                     }
 746
 747                     int status2 = wc.executeMethod(find);
 748
 749                     Log.d("sharer", "propstatus "+status2);
 750
 751                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 752                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 753
 754                     status2 = wc.executeMethod(get);
 755
 756                     Log.d("sharer", "getstatus "+status2);
 757                     Log.d("sharer", "" + get.getResponseBodyAsString());
 758
 759                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 760                         Log.d("sharer", a.getName() + ":"+a.getValue());
 761                     }
 762
 763                     status = wc.executeMethod(post);
 764                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 765                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 766                     }
 767                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 768                         Log.d("sharer", a.getName() + ":"+a.getValue());
 769                     }
 770                     String resp = post.getResponseBodyAsString();
 771                     Log.d("share", ""+post.getURI().toString());
 772                     Log.d("share", "returned status " + status);
 773                     Log.d("share", " " +resp);
 774
 775                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 776                         return;
 777                      }
 778
 779                     JSONObject jsonObject = new JSONObject (resp);
 780                     String jsonStatus = jsonObject.getString("status");
 781                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 782
 783                     String token = jsonObject.getString("data");
 784                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 785                     Log.d("Actions:shareFile ok", "url: " + uri);
 786
 787                 } catch (Exception e) {
 788                     e.printStackTrace();
 789                 }
 790
 791             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 792
 793             }
 794         }
 795     }
 796
 797     public void onDismiss(EditNameFragment dialog) {
 798         if (dialog instanceof EditNameFragment) {
 799             if (((EditNameFragment)dialog).getResult()) {
 800                 String newFilename = ((EditNameFragment)dialog).getNewFilename();
 801                 Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 802                 if (!newFilename.equals(mFile.getFileName())) {
 803                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 804                     if (fdsm.getFileById(mFile.getFileId()) != null) {
 805                         OCFile newFile = new OCFile(fdsm.getFileById(mFile.getParentId()).getRemotePath() + newFilename);
 806                         newFile.setCreationTimestamp(mFile.getCreationTimestamp());
 807                         newFile.setFileId(mFile.getFileId());
 808                         newFile.setFileLength(mFile.getFileLength());
 809                         newFile.setKeepInSync(mFile.keepInSync());
 810                         newFile.setLastSyncDate(mFile.getLastSyncDate());
 811                         newFile.setMimetype(mFile.getMimetype());
 812                         newFile.setModificationTimestamp(mFile.getModificationTimestamp());
 813                         newFile.setParentId(mFile.getParentId());
 814                         boolean localRenameFails = false;
 815                         if (mFile.isDown()) {
 816                             File f = new File(mFile.getStoragePath());
 817                             Log.e(TAG, f.getAbsolutePath());
 818                             localRenameFails = !(f.renameTo(new File(f.getParent() + File.separator + newFilename)));
 819                             Log.e(TAG, f.getParent() + File.separator + newFilename);
 820                             newFile.setStoragePath(f.getParent() + File.separator + newFilename);
 821                         }
 822
 823                         if (localRenameFails) {
 824                             Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 825                             msg.show();
 826
 827                         } else {
 828                             new Thread(new RenameRunnable(mFile, newFile, mAccount, new Handler())).start();
 829                             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 830                             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 831                         }
 832
 833                     }
 834                 }
 835             }
 836         } else {
 837             Log.e(TAG, "Unknown dialog instance passed to onDismissDalog: " + dialog.getClass().getCanonicalName());
 838         }
 839
 840     }
 841
 842     private class RenameRunnable implements Runnable {
 843
 844         Account mAccount;
 845         OCFile mOld, mNew;
 846         Handler mHandler;
 847
 848         public RenameRunnable(OCFile oldFile, OCFile newFile, Account account, Handler handler) {
 849             mOld = oldFile;
 850             mNew = newFile;
 851             mAccount = account;
 852             mHandler = handler;
 853         }
 854
 855         public void run() {
 856             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 857             AccountManager am = AccountManager.get(getSherlockActivity());
 858             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 859             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 860             String webdav_path = AccountUtils.getWebdavPath(ocv);
 861             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()));
 862
 863             Log.e("ASD", Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 864             LocalMoveMethod move = new LocalMoveMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()),
 865                                              Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 866
 867             boolean success = false;
 868             try {
 869                 int status = wc.executeMethod(move);
 870                 success = move.succeeded();
 871                 move.getResponseBodyAsString(); // exhaust response, although not interesting
 872                 Log.d(TAG, "Move returned status: " + status);
 873
 874             } catch (HttpException e) {
 875                 Log.e(TAG, "HTTP Exception renaming file " + mOld.getRemotePath() + " to " + mNew.getRemotePath(), e);
 876
 877             } catch (IOException e) {
 878                 Log.e(TAG, "I/O Exception renaming file " + mOld.getRemotePath() + " to " + mNew.getRemotePath(), e);
 879
 880             } catch (Exception e) {
 881                 Log.e(TAG, "Unexpected exception renaming file " + mOld.getRemotePath() + " to " + mNew.getRemotePath(), e);
 882
 883             } finally {
 884                move.releaseConnection();
 885             }
 886
 887             if (success) {
 888                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 889                 fdsm.removeFile(mOld, false);
 890                 fdsm.saveFile(mNew);
 891                 mFile = mNew;
 892                 mHandler.post(new Runnable() {
 893                     @Override
 894                     public void run() {
 895                         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 896                         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 897                         updateFileDetails(mFile, mAccount);
 898                         mContainerActivity.onFileStateChanged();
 899                     }
 900                 });
 901
 902             } else {
 903                 mHandler.post(new Runnable() {
 904                     @Override
 905                     public void run() {
 906                         // undo the local rename
 907                         if (mNew.isDown()) {
 908                             File f = new File(mNew.getStoragePath());
 909                             if (!f.renameTo(new File(mOld.getStoragePath()))) {
 910                                 // the local rename undoing failed; last chance: save the new local storage path in the old file
 911                                 mFile.setStoragePath(mNew.getStoragePath());
 912                                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 913                                 fdsm.saveFile(mFile);
 914                             }
 915                         }
 916                         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 917                         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 918                         try {
 919                             Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 920                             msg.show();
 921
 922                         } catch (NotFoundException e) {
 923                             e.printStackTrace();
 924                         }
 925                     }
 926                 });
 927             }
 928         }
 929         private class LocalMoveMethod extends DavMethodBase {
 930
 931             public LocalMoveMethod(String uri, String dest) {
 932                 super(uri);
 933                 addRequestHeader(new org.apache.commons.httpclient.Header("Destination", dest));
 934             }
 935
 936             @Override
 937             public String getName() {
 938                 return "MOVE";
 939             }
 940
 941             @Override
 942             protected boolean isSuccess(int status) {
 943                 return status == 201 || status == 204;
 944             }
 945
 946         }
 947     }
 948
 949     private static class EditNameFragment extends SherlockDialogFragment implements OnClickListener {
 950
 951         private String mNewFilename;
 952         private boolean mResult;
 953         private FileDetailFragment mListener;
 954
 955         static public EditNameFragment newInstance(String filename) {
 956             EditNameFragment f = new EditNameFragment();
 957             Bundle args = new Bundle();
 958             args.putString("filename", filename);
 959             f.setArguments(args);
 960             return f;
 961         }
 962
 963         @Override
 964         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 965             View v = inflater.inflate(R.layout.edit_box_dialog, container, false);
 966
 967             String currentName = getArguments().getString("filename");
 968             if (currentName == null)
 969                 currentName = "";
 970
 971             ((Button)v.findViewById(R.id.cancel)).setOnClickListener(this);
 972             ((Button)v.findViewById(R.id.ok)).setOnClickListener(this);
 973             ((TextView)v.findViewById(R.id.user_input)).setText(currentName);
 974             ((TextView)v.findViewById(R.id.user_input)).requestFocus();
 975             getDialog().getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
 976
 977             mResult = false;
 978             return v;
 979         }
 980
 981         @Override
 982         public void onClick(View view) {
 983             switch (view.getId()) {
 984                 case R.id.ok: {
 985                     mNewFilename = ((TextView)getView().findViewById(R.id.user_input)).getText().toString();
 986                     mResult = true;
 987                 }
 988                 case R.id.cancel: { // fallthought
 989                     dismiss();
 990                     mListener.onDismiss(this);
 991                 }
 992             }
 993         }
 994
 995         void setOnDismissListener(FileDetailFragment listener) {
 996             mListener = listener;
 997         }
 998
 999         public String getNewFilename() {
1000             return mNewFilename;
1001         }
1002
1003         // true if user click ok
1004         public boolean getResult() {
1005             return mResult;
1006         }
1007
1008     }
1009
1010     private class RemoveRunnable implements Runnable {
1011
1012         Account mAccount;
1013         OCFile mFileToRemove;
1014         Handler mHandler;
1015
1016         public RemoveRunnable(OCFile fileToRemove, Account account, Handler handler) {
1017             mFileToRemove = fileToRemove;
1018             mAccount = account;
1019             mHandler = handler;
1020         }
1021
1022         public void run() {
1023             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
1024             AccountManager am = AccountManager.get(getSherlockActivity());
1025             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
1026             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
1027             String webdav_path = AccountUtils.getWebdavPath(ocv);
1028             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
1029
1030             DeleteMethod delete = new DeleteMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
1031
1032             boolean success = false;
1033             int status = -1;
1034             try {
1035                 status = wc.executeMethod(delete);
1036                 success = (delete.succeeded());
1037                 delete.getResponseBodyAsString();   // exhaust the response, although not interesting
1038                 Log.d(TAG, "Delete: returned status " + status);
1039
1040             } catch (HttpException e) {
1041                 Log.e(TAG, "HTTP Exception removing file " + mFileToRemove.getRemotePath(), e);
1042
1043             } catch (IOException e) {
1044                 Log.e(TAG, "I/O Exception removing file " + mFileToRemove.getRemotePath(), e);
1045
1046             } catch (Exception e) {
1047                 Log.e(TAG, "Unexpected exception removing file " + mFileToRemove.getRemotePath(), e);
1048
1049             } finally {
1050                 delete.releaseConnection();
1051             }
1052
1053             if (success) {
1054                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
1055                 fdsm.removeFile(mFileToRemove, true);
1056                 mHandler.post(new Runnable() {
1057                     @Override
1058                     public void run() {
1059                         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1060                         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1061                         try {
1062                             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
1063                             msg.show();
1064                             if (inDisplayActivity) {
1065                                 // double pane
1066                                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
1067                                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
1068                                 transaction.commit();
1069                                 mContainerActivity.onFileStateChanged();
1070
1071                             } else {
1072                                 getActivity().finish();
1073                             }
1074
1075                         } catch (NotFoundException e) {
1076                             e.printStackTrace();
1077                         }
1078                     }
1079                 });
1080
1081             } else {
1082                 mHandler.post(new Runnable() {
1083                     @Override
1084                     public void run() {
1085                         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1086                         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1087                         try {
1088                             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
1089                             msg.show();
1090
1091                         } catch (NotFoundException e) {
1092                             e.printStackTrace();
1093                         }
1094                     }
1095                 });
1096             }
1097         }
1098
1099     }
1100
1101     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
1102         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
1103                 @Override
1104         protected Bitmap doInBackground(String... params) {
1105             Bitmap result = null;
1106             if (params.length != 1) return result;
1107             String storagePath = params[0];
1108             try {
1109
1110                 BitmapFactory.Options options = new Options();
1111                 options.inScaled = true;
1112                 options.inPurgeable = true;
1113                 options.inJustDecodeBounds = true;
1114                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
1115                     options.inPreferQualityOverSpeed = false;
1116                 }
1117                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
1118                     options.inMutable = false;
1119                 }
1120
1121                 result = BitmapFactory.decodeFile(storagePath, options);
1122                 options.inJustDecodeBounds = false;
1123
1124                 int width = options.outWidth;
1125                 int height = options.outHeight;
1126                 int scale = 1;
1127                 if (width >= 2048 || height >= 2048) {
1128                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
1129                     options.inSampleSize = scale;
1130                 }
1131                 Display display = getActivity().getWindowManager().getDefaultDisplay();
1132                 Point size = new Point();
1133                 int screenwidth;
1134                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
1135                     display.getSize(size);
1136                     screenwidth = size.x;
1137                 } else {
1138                     screenwidth = display.getWidth();
1139                 }
1140
1141                 Log.e("ASD", "W " + width + " SW " + screenwidth);
1142
1143                 if (width > screenwidth) {
1144                     scale = (int) Math.ceil((float)width / screenwidth);
1145                     options.inSampleSize = scale;
1146                 }
1147
1148                 result = BitmapFactory.decodeFile(storagePath, options);
1149
1150                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
1151
1152             } catch (OutOfMemoryError e) {
1153                 result = null;
1154                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
1155
1156             } catch (NoSuchFieldError e) {
1157                 result = null;
1158                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
1159
1160             } catch (Throwable t) {
1161                 result = null;
1162                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
1163             }
1164             return result;
1165         }
1166         @Override
1167         protected void onPostExecute(Bitmap result) {
1168             if (result != null && mPreview != null) {
1169                 mPreview.setImageBitmap(result);
1170             }
1171         }
1172
1173     }
1174
1175
1176 }