src/eu/alefzero/owncloud/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 eu.alefzero.owncloud.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.JSONException;
  39 import org.json.JSONObject;
  40
  41 import android.accounts.Account;
  42 import android.accounts.AccountManager;
  43 import android.annotation.SuppressLint;
  44 import android.app.Activity;
  45 import android.content.ActivityNotFoundException;
  46 import android.content.BroadcastReceiver;
  47 import android.content.Context;
  48 import android.content.Intent;
  49 import android.content.IntentFilter;
  50 import android.content.res.Resources.NotFoundException;
  51 import android.graphics.Bitmap;
  52 import android.graphics.BitmapFactory;
  53 import android.graphics.BitmapFactory.Options;
  54 import android.graphics.Point;
  55 import android.net.Uri;
  56 import android.os.AsyncTask;
  57 import android.os.Bundle;
  58 import android.os.Handler;
  59 import android.support.v4.app.FragmentTransaction;
  60 import android.util.Log;
  61 import android.view.Display;
  62 import android.view.LayoutInflater;
  63 import android.view.View;
  64 import android.view.View.OnClickListener;
  65 import android.view.ViewGroup;
  66 import android.view.WindowManager.LayoutParams;
  67 import android.webkit.MimeTypeMap;
  68 import android.widget.Button;
  69 import android.widget.CheckBox;
  70 import android.widget.ImageView;
  71 import android.widget.TextView;
  72 import android.widget.Toast;
  73
  74 import com.actionbarsherlock.app.SherlockDialogFragment;
  75 import com.actionbarsherlock.app.SherlockFragment;
  76
  77 import eu.alefzero.owncloud.AccountUtils;
  78 import eu.alefzero.owncloud.DisplayUtils;
  79 import eu.alefzero.owncloud.R;
  80 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  81 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  82 import eu.alefzero.owncloud.datamodel.OCFile;
  83 import eu.alefzero.owncloud.files.services.FileDownloader;
  84 import eu.alefzero.owncloud.files.services.FileUploader;
  85 import eu.alefzero.owncloud.ui.activity.FileDetailActivity;
  86 import eu.alefzero.owncloud.ui.activity.FileDisplayActivity;
  87 import eu.alefzero.owncloud.utils.OwnCloudVersion;
  88 import eu.alefzero.webdav.WebdavClient;
  89 import eu.alefzero.webdav.WebdavUtils;
  90
  91 /**
  92  * This Fragment is used to display the details about a file.
  93  *
  94  * @author Bartek Przybylski
  95  *
  96  */
  97 public class FileDetailFragment extends SherlockFragment implements
  98         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener {
  99
 100     public static final String EXTRA_FILE = "FILE";
 101     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 102
 103     private FileDetailFragment.ContainerActivity mContainerActivity;
 104
 105     private int mLayout;
 106     private View mView;
 107     private OCFile mFile;
 108     private Account mAccount;
 109     private ImageView mPreview;
 110
 111     private DownloadFinishReceiver mDownloadFinishReceiver;
 112     private UploadFinishReceiver mUploadFinishReceiver;
 113
 114     private static final String TAG = "FileDetailFragment";
 115     public static final String FTAG = "FileDetails";
 116     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 117
 118
 119     /**
 120      * Creates an empty details fragment.
 121      *
 122      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 123      */
 124     public FileDetailFragment() {
 125         mFile = null;
 126         mAccount = null;
 127         mLayout = R.layout.file_details_empty;
 128     }
 129
 130
 131     /**
 132      * Creates a details fragment.
 133      *
 134      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 135      *
 136      * @param fileToDetail      An {@link OCFile} to show in the fragment
 137      * @param ocAccount         An ownCloud account; needed to start downloads
 138      */
 139     public FileDetailFragment(OCFile fileToDetail, Account ocAccount){
 140         mFile = fileToDetail;
 141         mAccount = ocAccount;
 142         mLayout = R.layout.file_details_empty;
 143
 144         if(fileToDetail != null && ocAccount != null) {
 145             mLayout = R.layout.file_details_fragment;
 146         }
 147     }
 148
 149
 150     /**
 151      * {@inheritDoc}
 152      */
 153     @Override
 154     public void onAttach(Activity activity) {
 155         super.onAttach(activity);
 156         try {
 157             mContainerActivity = (ContainerActivity) activity;
 158         } catch (ClassCastException e) {
 159             throw new ClassCastException(activity.toString() + " must implement FileListFragment.ContainerActivity");
 160         }
 161     }
 162
 163
 164     @Override
 165     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 166             Bundle savedInstanceState) {
 167         super.onCreateView(inflater, container, savedInstanceState);
 168
 169         if (savedInstanceState != null) {
 170             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 171             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 172         }
 173
 174         View view = null;
 175         view = inflater.inflate(mLayout, container, false);
 176         mView = view;
 177
 178         if (mLayout == R.layout.file_details_fragment) {
 179             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 180             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 181             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 182             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 183             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 184             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 185             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 186         }
 187
 188         updateFileDetails();
 189         return view;
 190     }
 191
 192
 193     @Override
 194     public void onSaveInstanceState(Bundle outState) {
 195         Log.i(getClass().toString(), "onSaveInstanceState() start");
 196         super.onSaveInstanceState(outState);
 197         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 198         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 199         Log.i(getClass().toString(), "onSaveInstanceState() end");
 200     }
 201
 202
 203     @Override
 204     public void onResume() {
 205         super.onResume();
 206
 207         mDownloadFinishReceiver = new DownloadFinishReceiver();
 208         IntentFilter filter = new IntentFilter(
 209                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 210         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 211
 212         mUploadFinishReceiver = new UploadFinishReceiver();
 213         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 214         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 215
 216         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 217     }
 218
 219     @Override
 220     public void onPause() {
 221         super.onPause();
 222
 223         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 224         mDownloadFinishReceiver = null;
 225
 226         getActivity().unregisterReceiver(mUploadFinishReceiver);
 227         mUploadFinishReceiver = null;
 228
 229         if (mPreview != null) {
 230             mPreview = null;
 231         }
 232     }
 233
 234     @Override
 235     public View getView() {
 236         return super.getView() == null ? mView : super.getView();
 237     }
 238
 239
 240
 241     @Override
 242     public void onClick(View v) {
 243         switch (v.getId()) {
 244             case R.id.fdDownloadBtn: {
 245                 Intent i = new Intent(getActivity(), FileDownloader.class);
 246                 i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 247                 i.putExtra(FileDownloader.EXTRA_REMOTE_PATH, mFile.getRemotePath());
 248                 i.putExtra(FileDownloader.EXTRA_FILE_PATH, mFile.getRemotePath());
 249                 i.putExtra(FileDownloader.EXTRA_FILE_SIZE, mFile.getFileLength());
 250
 251                 // update ui
 252                 setButtonsForTransferring();
 253
 254                 getActivity().startService(i);
 255                 mContainerActivity.onFileStateChanged();    // this is not working; it is performed before the fileDownloadService registers it as 'in progress'
 256                 break;
 257             }
 258             case R.id.fdKeepInSync: {
 259                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 260                 mFile.setKeepInSync(cb.isChecked());
 261                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 262                 fdsm.saveFile(mFile);
 263                 if (mFile.keepInSync()) {
 264                     onClick(getView().findViewById(R.id.fdDownloadBtn));
 265                 } else {
 266                     mContainerActivity.onFileStateChanged();    // put inside 'else' to not call it twice (here, and in the virtual click on fdDownloadBtn)
 267                 }
 268                 break;
 269             }
 270             case R.id.fdRenameBtn: {
 271                 EditNameFragment dialog = EditNameFragment.newInstance(mFile.getFileName());
 272                 dialog.show(getFragmentManager(), "nameeditdialog");
 273                 dialog.setOnDismissListener(this);
 274                 break;
 275             }
 276             case R.id.fdRemoveBtn: {
 277                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 278                         R.string.confirmation_remove_alert,
 279                         new String[]{mFile.getFileName()},
 280                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 281                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 282                         R.string.common_cancel);
 283                 confDialog.setOnConfirmationListener(this);
 284                 confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 285                 break;
 286             }
 287             case R.id.fdOpenBtn: {
 288                 String storagePath = mFile.getStoragePath();
 289                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 290                 try {
 291                     Intent i = new Intent(Intent.ACTION_VIEW);
 292                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 293                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 294                     startActivity(i);
 295
 296                 } catch (Throwable t) {
 297                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 298                     boolean toastIt = true;
 299                     String mimeType = "";
 300                     try {
 301                         Intent i = new Intent(Intent.ACTION_VIEW);
 302                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 303                         if (mimeType != null && !mimeType.equals(mFile.getMimetype())) {
 304                             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 305                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 306                             startActivity(i);
 307                             toastIt = false;
 308                         }
 309
 310                     } catch (IndexOutOfBoundsException e) {
 311                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 312
 313                     } catch (ActivityNotFoundException e) {
 314                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 315
 316                     } catch (Throwable th) {
 317                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 318
 319                     } finally {
 320                         if (toastIt) {
 321                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 322                         }
 323                     }
 324
 325                 }
 326                 break;
 327             }
 328             default:
 329                 Log.e(TAG, "Incorrect view clicked!");
 330         }
 331
 332         /* else if (v.getId() == R.id.fdShareBtn) {
 333             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 334             t.start();
 335         }*/
 336     }
 337
 338
 339     @Override
 340     public void onConfirmation(String callerTag) {
 341         if (callerTag.equals(FTAG_CONFIRMATION)) {
 342             FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 343             if (fdsm.getFileById(mFile.getFileId()) != null) {
 344                 new Thread(new RemoveRunnable(mFile, mAccount, new Handler())).start();
 345                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 346                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 347             }
 348         }
 349     }
 350
 351     @Override
 352     public void onNeutral(String callerTag) {
 353         FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 354         File f = null;
 355         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 356             f.delete();
 357             mFile.setStoragePath(null);
 358             fdsm.saveFile(mFile);
 359             updateFileDetails(mFile, mAccount);
 360         }
 361     }
 362
 363     @Override
 364     public void onCancel(String callerTag) {
 365         Log.d(TAG, "REMOVAL CANCELED");
 366     }
 367
 368
 369     /**
 370      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 371      *
 372      * @return  True when the fragment was created with the empty layout.
 373      */
 374     public boolean isEmpty() {
 375         return mLayout == R.layout.file_details_empty;
 376     }
 377
 378
 379     /**
 380      * Can be used to get the file that is currently being displayed.
 381      * @return The file on the screen.
 382      */
 383     public OCFile getDisplayedFile(){
 384         return mFile;
 385     }
 386
 387     /**
 388      * Use this method to signal this Activity that it shall update its view.
 389      *
 390      * @param file : An {@link OCFile}
 391      */
 392     public void updateFileDetails(OCFile file, Account ocAccount) {
 393         mFile = file;
 394         mAccount = ocAccount;
 395         updateFileDetails();
 396     }
 397
 398
 399     /**
 400      * Updates the view with all relevant details about that file.
 401      */
 402     public void updateFileDetails() {
 403
 404         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 405
 406             // set file details
 407             setFilename(mFile.getFileName());
 408             setFiletype(DisplayUtils.convertMIMEtoPrettyPrint(mFile
 409                     .getMimetype()));
 410             setFilesize(mFile.getFileLength());
 411             if(ocVersionSupportsTimeCreated()){
 412                 setTimeCreated(mFile.getCreationTimestamp());
 413             }
 414
 415             setTimeModified(mFile.getModificationTimestamp());
 416
 417             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 418             cb.setChecked(mFile.keepInSync());
 419
 420             // configure UI for depending upon local state of the file
 421             if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 422                 setButtonsForTransferring();
 423
 424             } else if (mFile.isDown()) {
 425                 // Update preview
 426                 if (mFile.getMimetype().startsWith("image/")) {
 427                     BitmapLoader bl = new BitmapLoader();
 428                     bl.execute(new String[]{mFile.getStoragePath()});
 429                 }
 430
 431                 setButtonsForDown();
 432
 433             } else {
 434                 setButtonsForRemote();
 435             }
 436         }
 437     }
 438
 439
 440     /**
 441      * Updates the filename in view
 442      * @param filename to set
 443      */
 444     private void setFilename(String filename) {
 445         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 446         if (tv != null)
 447             tv.setText(filename);
 448     }
 449
 450     /**
 451      * Updates the MIME type in view
 452      * @param mimetype to set
 453      */
 454     private void setFiletype(String mimetype) {
 455         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 456         if (tv != null)
 457             tv.setText(mimetype);
 458     }
 459
 460     /**
 461      * Updates the file size in view
 462      * @param filesize in bytes to set
 463      */
 464     private void setFilesize(long filesize) {
 465         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 466         if (tv != null)
 467             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 468     }
 469
 470     /**
 471      * Updates the time that the file was created in view
 472      * @param milliseconds Unix time to set
 473      */
 474     private void setTimeCreated(long milliseconds){
 475         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 476         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 477         if(tv != null){
 478             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 479             tv.setVisibility(View.VISIBLE);
 480             tvLabel.setVisibility(View.VISIBLE);
 481         }
 482     }
 483
 484     /**
 485      * Updates the time that the file was last modified
 486      * @param milliseconds Unix time to set
 487      */
 488     private void setTimeModified(long milliseconds){
 489         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 490         if(tv != null){
 491             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 492         }
 493     }
 494
 495     /**
 496      * Enables or disables buttons for a file being downloaded
 497      */
 498     private void setButtonsForTransferring() {
 499         if (!isEmpty()) {
 500             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 501             //downloadButton.setText(R.string.filedetails_download_in_progress);    // ugly
 502             downloadButton.setEnabled(false);   // TODO replace it with a 'cancel download' button
 503
 504             // let's protect the user from himself ;)
 505             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 506             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 507             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 508         }
 509     }
 510
 511     /**
 512      * Enables or disables buttons for a file locally available
 513      */
 514     private void setButtonsForDown() {
 515         if (!isEmpty()) {
 516             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 517             //downloadButton.setText(R.string.filedetails_redownload);      // ugly
 518             downloadButton.setEnabled(true);
 519
 520             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 521             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 522             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 523         }
 524     }
 525
 526     /**
 527      * Enables or disables buttons for a file not locally available
 528      */
 529     private void setButtonsForRemote() {
 530         if (!isEmpty()) {
 531             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 532             //downloadButton.setText(R.string.filedetails_download);    // unnecessary
 533             downloadButton.setEnabled(true);
 534
 535             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 536             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 537             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 538         }
 539     }
 540
 541
 542     /**
 543      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 544      * the time that the file was created. There is a chance that this will
 545      * be fixed in future versions. Use this method to check if this version of
 546      * ownCloud has this fix.
 547      * @return True, if ownCloud the ownCloud version is supporting creation time
 548      */
 549     private boolean ocVersionSupportsTimeCreated(){
 550         /*if(mAccount != null){
 551             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 552             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 553                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 554             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 555                 return true;
 556             }
 557         }*/
 558         return false;
 559     }
 560
 561
 562     /**
 563      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 564      *
 565      * @author David A. Velasco
 566      */
 567     public interface ContainerActivity {
 568
 569         /**
 570          * Callback method invoked when the detail fragment wants to notice its container
 571          * activity about a relevant state the file shown by the fragment.
 572          *
 573          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 574          *
 575          * Currently called when:
 576          *  - a download is started;
 577          *  - a rename is completed;
 578          *  - a deletion is completed;
 579          *  - the 'inSync' flag is changed;
 580          */
 581         public void onFileStateChanged();
 582
 583     }
 584
 585
 586     /**
 587      * Once the file download has finished -> update view
 588      * @author Bartek Przybylski
 589      */
 590     private class DownloadFinishReceiver extends BroadcastReceiver {
 591         @Override
 592         public void onReceive(Context context, Intent intent) {
 593             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 594
 595             if (!isEmpty() && accountName.equals(mAccount.name)) {
 596                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 597                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 598                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 599                     if (downloadWasFine) {
 600                         mFile.setStoragePath(intent.getStringExtra(FileDownloader.EXTRA_FILE_PATH));    // updates the local object without accessing the database again
 601                     }
 602                     updateFileDetails();    // it updates the buttons; must be called although !downloadWasFine
 603                 }
 604             }
 605         }
 606     }
 607
 608
 609     /**
 610      * Once the file upload has finished -> update view
 611      *
 612      * Being notified about the finish of an upload is necessary for the next sequence:
 613      *   1. Upload a big file.
 614      *   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
 615      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 616      *   3. Click the file in the list to see its details.
 617      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 618      */
 619     private class UploadFinishReceiver extends BroadcastReceiver {
 620         @Override
 621         public void onReceive(Context context, Intent intent) {
 622             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 623
 624             if (!isEmpty() && accountName.equals(mAccount.name)) {
 625                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 626                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 627                 if (mFile.getRemotePath().equals(uploadRemotePath)) {
 628                     if (uploadWasFine) {
 629                         FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 630                         mFile = fdsm.getFileByPath(mFile.getRemotePath());
 631                     }
 632                     updateFileDetails();    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 633                 }
 634             }
 635         }
 636     }
 637
 638
 639     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 640     private class ShareRunnable implements Runnable {
 641         private String mPath;
 642
 643         public ShareRunnable(String path) {
 644             mPath = path;
 645         }
 646
 647         public void run() {
 648             AccountManager am = AccountManager.get(getActivity());
 649             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 650             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 651             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 652
 653             Log.d("share", "sharing for version " + ocv.toString());
 654
 655             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 656                 String APPS_PATH = "/apps/files_sharing/";
 657                 String SHARE_PATH = "ajax/share.php";
 658
 659                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 660
 661                 final String WEBDAV_SCRIPT = "webdav.php";
 662                 final String WEBDAV_FILES_LOCATION = "/files/";
 663
 664                 WebdavClient wc = new WebdavClient();
 665                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 666                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 667
 668                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 669                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 670
 671                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 672
 673                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 674                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 675                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 676                 Log.d("share", mPath+"");
 677                 formparams.add(new BasicNameValuePair("sources",mPath));
 678                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 679                 formparams.add(new BasicNameValuePair("permissions", "0"));
 680                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 681
 682                 int status;
 683                 try {
 684                     PropFindMethod find = new PropFindMethod(url+"/");
 685                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 686                     Log.d("sharer", ""+ url+"/");
 687                     wc.setCredentials(account.name.substring(0, account.name.lastIndexOf('@')), am.getPassword(account));
 688
 689                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 690                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 691                     }
 692
 693                     int status2 = wc.executeMethod(find);
 694
 695                     Log.d("sharer", "propstatus "+status2);
 696
 697                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 698                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 699
 700                     status2 = wc.executeMethod(get);
 701
 702                     Log.d("sharer", "getstatus "+status2);
 703                     Log.d("sharer", "" + get.getResponseBodyAsString());
 704
 705                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 706                         Log.d("sharer", a.getName() + ":"+a.getValue());
 707                     }
 708
 709                     status = wc.executeMethod(post);
 710                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 711                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 712                     }
 713                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 714                         Log.d("sharer", a.getName() + ":"+a.getValue());
 715                     }
 716                     String resp = post.getResponseBodyAsString();
 717                     Log.d("share", ""+post.getURI().toString());
 718                     Log.d("share", "returned status " + status);
 719                     Log.d("share", " " +resp);
 720
 721                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 722                         return;
 723                      }
 724
 725                     JSONObject jsonObject = new JSONObject (resp);
 726                     String jsonStatus = jsonObject.getString("status");
 727                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 728
 729                     String token = jsonObject.getString("data");
 730                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 731                     Log.d("Actions:shareFile ok", "url: " + uri);
 732
 733                 } catch (HttpException e) {
 734                     // TODO Auto-generated catch block
 735                     e.printStackTrace();
 736                 } catch (IOException e) {
 737                     // TODO Auto-generated catch block
 738                     e.printStackTrace();
 739                 } catch (JSONException e) {
 740                     // TODO Auto-generated catch block
 741                     e.printStackTrace();
 742                 } catch (Exception e) {
 743                     // TODO Auto-generated catch block
 744                     e.printStackTrace();
 745                 }
 746
 747             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 748
 749             }
 750         }
 751     }
 752
 753     public void onDismiss(EditNameFragment dialog) {
 754         if (dialog instanceof EditNameFragment) {
 755             if (((EditNameFragment)dialog).getResult()) {
 756                 String newFilename = ((EditNameFragment)dialog).getNewFilename();
 757                 Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 758                 if (!newFilename.equals(mFile.getFileName())) {
 759                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 760                     if (fdsm.getFileById(mFile.getFileId()) != null) {
 761                         OCFile newFile = new OCFile(fdsm.getFileById(mFile.getParentId()).getRemotePath() + newFilename);
 762                         newFile.setCreationTimestamp(mFile.getCreationTimestamp());
 763                         newFile.setFileId(mFile.getFileId());
 764                         newFile.setFileLength(mFile.getFileLength());
 765                         newFile.setKeepInSync(mFile.keepInSync());
 766                         newFile.setLastSyncDate(mFile.getLastSyncDate());
 767                         newFile.setMimetype(mFile.getMimetype());
 768                         newFile.setModificationTimestamp(mFile.getModificationTimestamp());
 769                         newFile.setParentId(mFile.getParentId());
 770                         boolean localRenameFails = false;
 771                         if (mFile.isDown()) {
 772                             File f = new File(mFile.getStoragePath());
 773                             Log.e(TAG, f.getAbsolutePath());
 774                             localRenameFails = !(f.renameTo(new File(f.getParent() + File.separator + newFilename)));
 775                             Log.e(TAG, f.getParent() + File.separator + newFilename);
 776                             newFile.setStoragePath(f.getParent() + File.separator + newFilename);
 777                         }
 778
 779                         if (localRenameFails) {
 780                             Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
 781                             msg.show();
 782
 783                         } else {
 784                             new Thread(new RenameRunnable(mFile, newFile, mAccount, new Handler())).start();
 785                             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 786                             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 787                         }
 788
 789                     }
 790                 }
 791             }
 792         } else {
 793             Log.e(TAG, "Unknown dialog instance passed to onDismissDalog: " + dialog.getClass().getCanonicalName());
 794         }
 795
 796     }
 797
 798     private class RenameRunnable implements Runnable {
 799
 800         Account mAccount;
 801         OCFile mOld, mNew;
 802         Handler mHandler;
 803
 804         public RenameRunnable(OCFile oldFile, OCFile newFile, Account account, Handler handler) {
 805             mOld = oldFile;
 806             mNew = newFile;
 807             mAccount = account;
 808             mHandler = handler;
 809         }
 810
 811         public void run() {
 812             WebdavClient wc = new WebdavClient(mAccount, getSherlockActivity().getApplicationContext());
 813             wc.allowSelfsignedCertificates();
 814             AccountManager am = AccountManager.get(getSherlockActivity());
 815             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 816             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 817             String webdav_path = AccountUtils.getWebdavPath(ocv);
 818             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()));
 819
 820             Log.e("ASD", Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 821             LocalMoveMethod move = new LocalMoveMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()),
 822                                              Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 823
 824             boolean success = false;
 825             try {
 826                 int status = wc.executeMethod(move);
 827                 success = move.succeeded();
 828                 Log.d(TAG, "Move returned status: " + status);
 829
 830             } catch (HttpException e) {
 831                 Log.e(TAG, "HTTP Exception renaming file " + mOld.getRemotePath() + " to " + mNew.getRemotePath(), e);
 832
 833             } catch (IOException e) {
 834                 Log.e(TAG, "I/O Exception renaming file " + mOld.getRemotePath() + " to " + mNew.getRemotePath(), e);
 835
 836             } catch (Exception e) {
 837                 Log.e(TAG, "Unexpected exception renaming file " + mOld.getRemotePath() + " to " + mNew.getRemotePath(), e);
 838             }
 839
 840             if (success) {
 841                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 842                 fdsm.removeFile(mOld);
 843                 fdsm.saveFile(mNew);
 844                 mFile = mNew;
 845                 mHandler.post(new Runnable() {
 846                     @Override
 847                     public void run() {
 848                         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 849                         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 850                         updateFileDetails(mFile, mAccount);
 851                         mContainerActivity.onFileStateChanged();
 852                     }
 853                 });
 854
 855             } else {
 856                 mHandler.post(new Runnable() {
 857                     @Override
 858                     public void run() {
 859                         // undo the local rename
 860                         if (mNew.isDown()) {
 861                             File f = new File(mNew.getStoragePath());
 862                             if (!f.renameTo(new File(mOld.getStoragePath()))) {
 863                                 // the local rename undoing failed; last chance: save the new local storage path in the old file
 864                                 mFile.setStoragePath(mNew.getStoragePath());
 865                                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 866                                 fdsm.saveFile(mFile);
 867                             }
 868                         }
 869                         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 870                         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 871                         try {
 872                             Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
 873                             msg.show();
 874
 875                         } catch (NotFoundException e) {
 876                             e.printStackTrace();
 877                         }
 878                     }
 879                 });
 880             }
 881         }
 882         private class LocalMoveMethod extends DavMethodBase {
 883
 884             public LocalMoveMethod(String uri, String dest) {
 885                 super(uri);
 886                 addRequestHeader(new org.apache.commons.httpclient.Header("Destination", dest));
 887             }
 888
 889             @Override
 890             public String getName() {
 891                 return "MOVE";
 892             }
 893
 894             @Override
 895             protected boolean isSuccess(int status) {
 896                 return status == 201 || status == 204;
 897             }
 898
 899         }
 900     }
 901
 902     private static class EditNameFragment extends SherlockDialogFragment implements OnClickListener {
 903
 904         private String mNewFilename;
 905         private boolean mResult;
 906         private FileDetailFragment mListener;
 907
 908         static public EditNameFragment newInstance(String filename) {
 909             EditNameFragment f = new EditNameFragment();
 910             Bundle args = new Bundle();
 911             args.putString("filename", filename);
 912             f.setArguments(args);
 913             return f;
 914         }
 915
 916         @Override
 917         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 918             View v = inflater.inflate(R.layout.edit_box_dialog, container, false);
 919
 920             String currentName = getArguments().getString("filename");
 921             if (currentName == null)
 922                 currentName = "";
 923
 924             ((Button)v.findViewById(R.id.cancel)).setOnClickListener(this);
 925             ((Button)v.findViewById(R.id.ok)).setOnClickListener(this);
 926             ((TextView)v.findViewById(R.id.user_input)).setText(currentName);
 927             ((TextView)v.findViewById(R.id.user_input)).requestFocus();
 928             getDialog().getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
 929
 930             mResult = false;
 931             return v;
 932         }
 933
 934         @Override
 935         public void onClick(View view) {
 936             switch (view.getId()) {
 937                 case R.id.ok: {
 938                     mNewFilename = ((TextView)getView().findViewById(R.id.user_input)).getText().toString();
 939                     mResult = true;
 940                 }
 941                 case R.id.cancel: { // fallthought
 942                     dismiss();
 943                     mListener.onDismiss(this);
 944                 }
 945             }
 946         }
 947
 948         void setOnDismissListener(FileDetailFragment listener) {
 949             mListener = listener;
 950         }
 951
 952         public String getNewFilename() {
 953             return mNewFilename;
 954         }
 955
 956         // true if user click ok
 957         public boolean getResult() {
 958             return mResult;
 959         }
 960
 961     }
 962
 963     private class RemoveRunnable implements Runnable {
 964
 965         Account mAccount;
 966         OCFile mFileToRemove;
 967         Handler mHandler;
 968
 969         public RemoveRunnable(OCFile fileToRemove, Account account, Handler handler) {
 970             mFileToRemove = fileToRemove;
 971             mAccount = account;
 972             mHandler = handler;
 973         }
 974
 975         public void run() {
 976             WebdavClient wc = new WebdavClient(mAccount, getSherlockActivity().getApplicationContext());
 977             wc.allowSelfsignedCertificates();
 978             AccountManager am = AccountManager.get(getSherlockActivity());
 979             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 980             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 981             String webdav_path = AccountUtils.getWebdavPath(ocv);
 982             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
 983
 984             DeleteMethod delete = new DeleteMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
 985
 986             boolean success = false;
 987             int status = -1;
 988             try {
 989                 status = wc.executeMethod(delete);
 990                 success = (delete.succeeded());
 991                 Log.d(TAG, "Delete: returned status " + status);
 992
 993             } catch (HttpException e) {
 994                 Log.e(TAG, "HTTP Exception removing file " + mFileToRemove.getRemotePath(), e);
 995
 996             } catch (IOException e) {
 997                 Log.e(TAG, "I/O Exception removing file " + mFileToRemove.getRemotePath(), e);
 998
 999             } catch (Exception e) {
1000                 Log.e(TAG, "Unexpected exception removing file " + mFileToRemove.getRemotePath(), e);
1001             }
1002
1003             if (success) {
1004                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
1005                 fdsm.removeFile(mFileToRemove);
1006                 mHandler.post(new Runnable() {
1007                     @Override
1008                     public void run() {
1009                         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1010                         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1011                         try {
1012                             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
1013                             msg.show();
1014                             if (inDisplayActivity) {
1015                                 // double pane
1016                                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
1017                                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
1018                                 transaction.commit();
1019                                 mContainerActivity.onFileStateChanged();
1020
1021                             } else {
1022                                 getActivity().finish();
1023                             }
1024
1025                         } catch (NotFoundException e) {
1026                             e.printStackTrace();
1027                         }
1028                     }
1029                 });
1030
1031             } else {
1032                 mHandler.post(new Runnable() {
1033                     @Override
1034                     public void run() {
1035                         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1036                         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1037                         try {
1038                             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
1039                             msg.show();
1040
1041                         } catch (NotFoundException e) {
1042                             e.printStackTrace();
1043                         }
1044                     }
1045                 });
1046             }
1047         }
1048
1049     }
1050
1051     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
1052         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
1053                 @Override
1054         protected Bitmap doInBackground(String... params) {
1055             Bitmap result = null;
1056             if (params.length != 1) return result;
1057             String storagePath = params[0];
1058             try {
1059
1060                 BitmapFactory.Options options = new Options();
1061                 options.inScaled = true;
1062                 options.inPurgeable = true;
1063                 options.inJustDecodeBounds = true;
1064                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
1065                     options.inPreferQualityOverSpeed = false;
1066                 }
1067                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
1068                     options.inMutable = false;
1069                 }
1070
1071                 result = BitmapFactory.decodeFile(storagePath, options);
1072                 options.inJustDecodeBounds = false;
1073
1074                 int width = options.outWidth;
1075                 int height = options.outHeight;
1076                 int scale = 1;
1077                 if (width >= 2048 || height >= 2048) {
1078                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
1079                     options.inSampleSize = scale;
1080                 }
1081                 Display display = getActivity().getWindowManager().getDefaultDisplay();
1082                 Point size = new Point();
1083                 int screenwidth;
1084                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
1085                     display.getSize(size);
1086                     screenwidth = size.x;
1087                 } else {
1088                     screenwidth = display.getWidth();
1089                 }
1090
1091                 Log.e("ASD", "W " + width + " SW " + screenwidth);
1092
1093                 if (width > screenwidth) {
1094                     scale = (int) Math.ceil((float)width / screenwidth);
1095                     options.inSampleSize = scale;
1096                 }
1097
1098                 result = BitmapFactory.decodeFile(storagePath, options);
1099
1100                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
1101
1102             } catch (OutOfMemoryError e) {
1103                 result = null;
1104                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
1105
1106             } catch (NoSuchFieldError e) {
1107                 result = null;
1108                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
1109
1110             } catch (Throwable t) {
1111                 result = null;
1112                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
1113             }
1114             return result;
1115         }
1116         @Override
1117         protected void onPostExecute(Bitmap result) {
1118             if (result != null && mPreview != null) {
1119                 mPreview.setImageBitmap(result);
1120             }
1121         }
1122
1123     }
1124
1125
1126 }