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