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