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