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