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.FileDisplayActivity;
  86 import eu.alefzero.owncloud.utils.OwnCloudVersion;
  87 import eu.alefzero.webdav.WebdavClient;
  88 import eu.alefzero.webdav.WebdavUtils;
  89
  90 /**
  91  * This Fragment is used to display the details about a file.
  92  *
  93  * @author Bartek Przybylski
  94  *
  95  */
  96 public class FileDetailFragment extends SherlockFragment implements
  97         OnClickListener, ConfirmationDialogFragment.ConfirmationDialogFragmentListener {
  98
  99     public static final String EXTRA_FILE = "FILE";
 100     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 101
 102     private FileDetailFragment.ContainerActivity mContainerActivity;
 103
 104     private int mLayout;
 105     private View mView;
 106     private OCFile mFile;
 107     private Account mAccount;
 108     private ImageView mPreview;
 109
 110     private DownloadFinishReceiver mDownloadFinishReceiver;
 111     private UploadFinishReceiver mUploadFinishReceiver;
 112
 113     private static final String TAG = "FileDetailFragment";
 114     public static final String FTAG = "FileDetails";
 115     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 116
 117
 118     /**
 119      * Creates an empty details fragment.
 120      *
 121      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 122      */
 123     public FileDetailFragment() {
 124         mFile = null;
 125         mAccount = null;
 126         mLayout = R.layout.file_details_empty;
 127     }
 128
 129
 130     /**
 131      * Creates a details fragment.
 132      *
 133      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 134      *
 135      * @param fileToDetail      An {@link OCFile} to show in the fragment
 136      * @param ocAccount         An ownCloud account; needed to start downloads
 137      */
 138     public FileDetailFragment(OCFile fileToDetail, Account ocAccount){
 139         mFile = fileToDetail;
 140         mAccount = ocAccount;
 141         mLayout = R.layout.file_details_empty;
 142
 143         if(fileToDetail != null && ocAccount != null) {
 144             mLayout = R.layout.file_details_fragment;
 145         }
 146     }
 147
 148
 149     /**
 150      * {@inheritDoc}
 151      */
 152     @Override
 153     public void onAttach(Activity activity) {
 154         super.onAttach(activity);
 155         try {
 156             mContainerActivity = (ContainerActivity) activity;
 157         } catch (ClassCastException e) {
 158             throw new ClassCastException(activity.toString() + " must implement FileListFragment.ContainerActivity");
 159         }
 160     }
 161
 162
 163     @Override
 164     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 165             Bundle savedInstanceState) {
 166         super.onCreateView(inflater, container, savedInstanceState);
 167
 168         if (savedInstanceState != null) {
 169             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 170             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 171         }
 172
 173         View view = null;
 174         view = inflater.inflate(mLayout, container, false);
 175         mView = view;
 176
 177         if (mLayout == R.layout.file_details_fragment) {
 178             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 179             mView.findViewById(R.id.fdRenameBtn).setOnClickListener(this);
 180             mView.findViewById(R.id.fdDownloadBtn).setOnClickListener(this);
 181             mView.findViewById(R.id.fdOpenBtn).setOnClickListener(this);
 182             mView.findViewById(R.id.fdRemoveBtn).setOnClickListener(this);
 183             //mView.findViewById(R.id.fdShareBtn).setOnClickListener(this);
 184             mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 185         }
 186
 187         updateFileDetails();
 188         return view;
 189     }
 190
 191
 192     @Override
 193     public void onSaveInstanceState(Bundle outState) {
 194         Log.i(getClass().toString(), "onSaveInstanceState() start");
 195         super.onSaveInstanceState(outState);
 196         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 197         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 198         Log.i(getClass().toString(), "onSaveInstanceState() end");
 199     }
 200
 201
 202     @Override
 203     public void onResume() {
 204         super.onResume();
 205
 206         mDownloadFinishReceiver = new DownloadFinishReceiver();
 207         IntentFilter filter = new IntentFilter(
 208                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 209         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 210
 211         mUploadFinishReceiver = new UploadFinishReceiver();
 212         filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 213         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 214
 215         mPreview = (ImageView)mView.findViewById(R.id.fdPreview);
 216     }
 217
 218     @Override
 219     public void onPause() {
 220         super.onPause();
 221
 222         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 223         mDownloadFinishReceiver = null;
 224
 225         getActivity().unregisterReceiver(mUploadFinishReceiver);
 226         mUploadFinishReceiver = null;
 227
 228         if (mPreview != null) {
 229             mPreview = null;
 230         }
 231     }
 232
 233     @Override
 234     public View getView() {
 235         return super.getView() == null ? mView : super.getView();
 236     }
 237
 238
 239
 240     @Override
 241     public void onClick(View v) {
 242         switch (v.getId()) {
 243             case R.id.fdDownloadBtn: {
 244                 Intent i = new Intent(getActivity(), FileDownloader.class);
 245                 i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 246                 i.putExtra(FileDownloader.EXTRA_REMOTE_PATH, mFile.getRemotePath());
 247                 i.putExtra(FileDownloader.EXTRA_FILE_PATH, mFile.getRemotePath());
 248                 i.putExtra(FileDownloader.EXTRA_FILE_SIZE, mFile.getFileLength());
 249
 250                 // update ui
 251                 setButtonsForTransferring();
 252
 253                 getActivity().startService(i);
 254                 mContainerActivity.onFileStateChanged();    // this is not working; it is performed before the fileDownloadService registers it as 'in progress'
 255                 break;
 256             }
 257             case R.id.fdKeepInSync: {
 258                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 259                 mFile.setKeepInSync(cb.isChecked());
 260                 FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 261                 fdsm.saveFile(mFile);
 262                 if (mFile.keepInSync()) {
 263                     onClick(getView().findViewById(R.id.fdDownloadBtn));
 264                 } else {
 265                     mContainerActivity.onFileStateChanged();    // put inside 'else' to not call it twice (here, and in the virtual click on fdDownloadBtn)
 266                 }
 267                 break;
 268             }
 269             case R.id.fdRenameBtn: {
 270                 EditNameFragment dialog = EditNameFragment.newInstance(mFile.getFileName());
 271                 dialog.show(getFragmentManager(), "nameeditdialog");
 272                 dialog.setOnDismissListener(this);
 273                 break;
 274             }
 275             case R.id.fdRemoveBtn: {
 276                 ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 277                         R.string.confirmation_remove_alert,
 278                         new String[]{mFile.getFileName()},
 279                         mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 280                         mFile.isDown() ? R.string.confirmation_remove_local : -1,
 281                         R.string.common_cancel);
 282                 confDialog.setOnConfirmationListener(this);
 283                 confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 284                 break;
 285             }
 286             case R.id.fdOpenBtn: {
 287                 String storagePath = mFile.getStoragePath();
 288                 String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 289                 try {
 290                     Intent i = new Intent(Intent.ACTION_VIEW);
 291                     i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 292                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 293                     startActivity(i);
 294
 295                 } catch (Throwable t) {
 296                     Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 297                     boolean toastIt = true;
 298                     String mimeType = "";
 299                     try {
 300                         Intent i = new Intent(Intent.ACTION_VIEW);
 301                         mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 302                         if (mimeType != null && !mimeType.equals(mFile.getMimetype())) {
 303                             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 304                             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 305                             startActivity(i);
 306                             toastIt = false;
 307                         }
 308
 309                     } catch (IndexOutOfBoundsException e) {
 310                         Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 311
 312                     } catch (ActivityNotFoundException e) {
 313                         Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 314
 315                     } catch (Throwable th) {
 316                         Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 317
 318                     } finally {
 319                         if (toastIt) {
 320                             Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 321                         }
 322                     }
 323
 324                 }
 325                 break;
 326             }
 327             default:
 328                 Log.e(TAG, "Incorrect view clicked!");
 329         }
 330
 331         /* else if (v.getId() == R.id.fdShareBtn) {
 332             Thread t = new Thread(new ShareRunnable(mFile.getRemotePath()));
 333             t.start();
 334         }*/
 335     }
 336
 337
 338     @Override
 339     public void onConfirmation(String callerTag) {
 340         if (callerTag.equals(FTAG_CONFIRMATION)) {
 341             Log.e("ASD","onConfirmation");
 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             }
 346         }
 347     }
 348
 349     @Override
 350     public void onNeutral(String callerTag) {
 351         FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 352         File f = null;
 353         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 354             f.delete();
 355             mFile.setStoragePath(null);
 356             fdsm.saveFile(mFile);
 357             updateFileDetails(mFile, mAccount);
 358         }
 359     }
 360
 361     @Override
 362     public void onCancel(String callerTag) {
 363         Log.d(TAG, "REMOVAL CANCELED");
 364     }
 365
 366
 367     /**
 368      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 369      *
 370      * @return  True when the fragment was created with the empty layout.
 371      */
 372     public boolean isEmpty() {
 373         return mLayout == R.layout.file_details_empty;
 374     }
 375
 376
 377     /**
 378      * Can be used to get the file that is currently being displayed.
 379      * @return The file on the screen.
 380      */
 381     public OCFile getDisplayedFile(){
 382         return mFile;
 383     }
 384
 385     /**
 386      * Use this method to signal this Activity that it shall update its view.
 387      *
 388      * @param file : An {@link OCFile}
 389      */
 390     public void updateFileDetails(OCFile file, Account ocAccount) {
 391         mFile = file;
 392         mAccount = ocAccount;
 393         updateFileDetails();
 394     }
 395
 396
 397     /**
 398      * Updates the view with all relevant details about that file.
 399      */
 400     public void updateFileDetails() {
 401
 402         if (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment) {
 403
 404             // set file details
 405             setFilename(mFile.getFileName());
 406             setFiletype(DisplayUtils.convertMIMEtoPrettyPrint(mFile
 407                     .getMimetype()));
 408             setFilesize(mFile.getFileLength());
 409             if(ocVersionSupportsTimeCreated()){
 410                 setTimeCreated(mFile.getCreationTimestamp());
 411             }
 412
 413             setTimeModified(mFile.getModificationTimestamp());
 414
 415             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 416             cb.setChecked(mFile.keepInSync());
 417
 418             // configure UI for depending upon local state of the file
 419             if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 420                 setButtonsForTransferring();
 421
 422             } else if (mFile.isDown()) {
 423                 // Update preview
 424                 if (mFile.getMimetype().startsWith("image/")) {
 425                     BitmapLoader bl = new BitmapLoader();
 426                     bl.execute(new String[]{mFile.getStoragePath()});
 427                 }
 428
 429                 setButtonsForDown();
 430
 431             } else {
 432                 setButtonsForRemote();
 433             }
 434         }
 435     }
 436
 437
 438     /**
 439      * Updates the filename in view
 440      * @param filename to set
 441      */
 442     private void setFilename(String filename) {
 443         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 444         if (tv != null)
 445             tv.setText(filename);
 446     }
 447
 448     /**
 449      * Updates the MIME type in view
 450      * @param mimetype to set
 451      */
 452     private void setFiletype(String mimetype) {
 453         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 454         if (tv != null)
 455             tv.setText(mimetype);
 456     }
 457
 458     /**
 459      * Updates the file size in view
 460      * @param filesize in bytes to set
 461      */
 462     private void setFilesize(long filesize) {
 463         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 464         if (tv != null)
 465             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 466     }
 467
 468     /**
 469      * Updates the time that the file was created in view
 470      * @param milliseconds Unix time to set
 471      */
 472     private void setTimeCreated(long milliseconds){
 473         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 474         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 475         if(tv != null){
 476             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 477             tv.setVisibility(View.VISIBLE);
 478             tvLabel.setVisibility(View.VISIBLE);
 479         }
 480     }
 481
 482     /**
 483      * Updates the time that the file was last modified
 484      * @param milliseconds Unix time to set
 485      */
 486     private void setTimeModified(long milliseconds){
 487         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 488         if(tv != null){
 489             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 490         }
 491     }
 492
 493     /**
 494      * Enables or disables buttons for a file being downloaded
 495      */
 496     private void setButtonsForTransferring() {
 497         if (!isEmpty()) {
 498             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 499             //downloadButton.setText(R.string.filedetails_download_in_progress);    // ugly
 500             downloadButton.setEnabled(false);   // TODO replace it with a 'cancel download' button
 501
 502             // let's protect the user from himself ;)
 503             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 504             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(false);
 505             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(false);
 506         }
 507     }
 508
 509     /**
 510      * Enables or disables buttons for a file locally available
 511      */
 512     private void setButtonsForDown() {
 513         if (!isEmpty()) {
 514             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 515             //downloadButton.setText(R.string.filedetails_redownload);      // ugly
 516             downloadButton.setEnabled(true);
 517
 518             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(true);
 519             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 520             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 521         }
 522     }
 523
 524     /**
 525      * Enables or disables buttons for a file not locally available
 526      */
 527     private void setButtonsForRemote() {
 528         if (!isEmpty()) {
 529             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 530             //downloadButton.setText(R.string.filedetails_download);    // unnecessary
 531             downloadButton.setEnabled(true);
 532
 533             ((Button) getView().findViewById(R.id.fdOpenBtn)).setEnabled(false);
 534             ((Button) getView().findViewById(R.id.fdRenameBtn)).setEnabled(true);
 535             ((Button) getView().findViewById(R.id.fdRemoveBtn)).setEnabled(true);
 536         }
 537     }
 538
 539
 540     /**
 541      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 542      * the time that the file was created. There is a chance that this will
 543      * be fixed in future versions. Use this method to check if this version of
 544      * ownCloud has this fix.
 545      * @return True, if ownCloud the ownCloud version is supporting creation time
 546      */
 547     private boolean ocVersionSupportsTimeCreated(){
 548         /*if(mAccount != null){
 549             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 550             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 551                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 552             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 553                 return true;
 554             }
 555         }*/
 556         return false;
 557     }
 558
 559
 560     /**
 561      * Interface to implement by any Activity that includes some instance of FileDetailFragment
 562      *
 563      * @author David A. Velasco
 564      */
 565     public interface ContainerActivity {
 566
 567         /**
 568          * Callback method invoked when the detail fragment wants to notice its container
 569          * activity about a relevant state the file shown by the fragment.
 570          *
 571          * Added to notify to FileDisplayActivity about the need of refresh the files list.
 572          *
 573          * Currently called when:
 574          *  - a download is started;
 575          *  - a rename is completed;
 576          *  - a deletion is completed;
 577          *  - the 'inSync' flag is changed;
 578          */
 579         public void onFileStateChanged();
 580
 581     }
 582
 583
 584     /**
 585      * Once the file download has finished -> update view
 586      * @author Bartek Przybylski
 587      */
 588     private class DownloadFinishReceiver extends BroadcastReceiver {
 589         @Override
 590         public void onReceive(Context context, Intent intent) {
 591             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 592
 593             if (!isEmpty() && accountName.equals(mAccount.name)) {
 594                 boolean downloadWasFine = intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false);
 595                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 596                 if (mFile.getRemotePath().equals(downloadedRemotePath)) {
 597                     if (downloadWasFine) {
 598                         mFile.setStoragePath(intent.getStringExtra(FileDownloader.EXTRA_FILE_PATH));    // updates the local object without accessing the database again
 599                     }
 600                     updateFileDetails();    // it updates the buttons; must be called although !downloadWasFine
 601                 }
 602             }
 603         }
 604     }
 605
 606
 607     /**
 608      * Once the file upload has finished -> update view
 609      *
 610      * Being notified about the finish of an upload is necessary for the next sequence:
 611      *   1. Upload a big file.
 612      *   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
 613      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 614      *   3. Click the file in the list to see its details.
 615      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 616      */
 617     private class UploadFinishReceiver extends BroadcastReceiver {
 618         @Override
 619         public void onReceive(Context context, Intent intent) {
 620             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 621
 622             if (!isEmpty() && accountName.equals(mAccount.name)) {
 623                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 624                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 625                 if (mFile.getRemotePath().equals(uploadRemotePath)) {
 626                     if (uploadWasFine) {
 627                         FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 628                         mFile = fdsm.getFileByPath(mFile.getRemotePath());
 629                     }
 630                     updateFileDetails();    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 631                 }
 632             }
 633         }
 634     }
 635
 636
 637     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 638     private class ShareRunnable implements Runnable {
 639         private String mPath;
 640
 641         public ShareRunnable(String path) {
 642             mPath = path;
 643         }
 644
 645         public void run() {
 646             AccountManager am = AccountManager.get(getActivity());
 647             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 648             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 649             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 650
 651             Log.d("share", "sharing for version " + ocv.toString());
 652
 653             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 654                 String APPS_PATH = "/apps/files_sharing/";
 655                 String SHARE_PATH = "ajax/share.php";
 656
 657                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 658
 659                 final String WEBDAV_SCRIPT = "webdav.php";
 660                 final String WEBDAV_FILES_LOCATION = "/files/";
 661
 662                 WebdavClient wc = new WebdavClient();
 663                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 664                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 665
 666                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 667                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 668
 669                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 670
 671                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 672                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 673                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 674                 Log.d("share", mPath+"");
 675                 formparams.add(new BasicNameValuePair("sources",mPath));
 676                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 677                 formparams.add(new BasicNameValuePair("permissions", "0"));
 678                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 679
 680                 int status;
 681                 try {
 682                     PropFindMethod find = new PropFindMethod(url+"/");
 683                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 684                     Log.d("sharer", ""+ url+"/");
 685                     wc.setCredentials(account.name.substring(0, account.name.lastIndexOf('@')), am.getPassword(account));
 686
 687                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 688                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 689                     }
 690
 691                     int status2 = wc.executeMethod(find);
 692
 693                     Log.d("sharer", "propstatus "+status2);
 694
 695                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 696                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 697
 698                     status2 = wc.executeMethod(get);
 699
 700                     Log.d("sharer", "getstatus "+status2);
 701                     Log.d("sharer", "" + get.getResponseBodyAsString());
 702
 703                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 704                         Log.d("sharer", a.getName() + ":"+a.getValue());
 705                     }
 706
 707                     status = wc.executeMethod(post);
 708                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 709                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 710                     }
 711                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 712                         Log.d("sharer", a.getName() + ":"+a.getValue());
 713                     }
 714                     String resp = post.getResponseBodyAsString();
 715                     Log.d("share", ""+post.getURI().toString());
 716                     Log.d("share", "returned status " + status);
 717                     Log.d("share", " " +resp);
 718
 719                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 720                         return;
 721                      }
 722
 723                     JSONObject jsonObject = new JSONObject (resp);
 724                     String jsonStatus = jsonObject.getString("status");
 725                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 726
 727                     String token = jsonObject.getString("data");
 728                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 729                     Log.d("Actions:shareFile ok", "url: " + uri);
 730
 731                 } catch (HttpException e) {
 732                     // TODO Auto-generated catch block
 733                     e.printStackTrace();
 734                 } catch (IOException e) {
 735                     // TODO Auto-generated catch block
 736                     e.printStackTrace();
 737                 } catch (JSONException e) {
 738                     // TODO Auto-generated catch block
 739                     e.printStackTrace();
 740                 } catch (Exception e) {
 741                     // TODO Auto-generated catch block
 742                     e.printStackTrace();
 743                 }
 744
 745             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 746
 747             }
 748         }
 749     }
 750
 751     public void onDismiss(EditNameFragment dialog) {
 752         if (dialog instanceof EditNameFragment) {
 753             if (((EditNameFragment)dialog).getResult()) {
 754                 String newFilename = ((EditNameFragment)dialog).getNewFilename();
 755                 Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 756                 if (!newFilename.equals(mFile.getFileName())) {
 757                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 758                     if (fdsm.getFileById(mFile.getFileId()) != null) {
 759                         OCFile newFile = new OCFile(fdsm.getFileById(mFile.getParentId()).getRemotePath() + newFilename);
 760                         newFile.setCreationTimestamp(mFile.getCreationTimestamp());
 761                         newFile.setFileId(mFile.getFileId());
 762                         newFile.setFileLength(mFile.getFileLength());
 763                         newFile.setKeepInSync(mFile.keepInSync());
 764                         newFile.setLastSyncDate(mFile.getLastSyncDate());
 765                         newFile.setMimetype(mFile.getMimetype());
 766                         newFile.setModificationTimestamp(mFile.getModificationTimestamp());
 767                         newFile.setParentId(mFile.getParentId());
 768                         if (mFile.isDown()) {
 769                             File f = new File(mFile.getStoragePath());
 770                             Log.e(TAG, f.getAbsolutePath());
 771                             f.renameTo(new File(f.getParent() + File.separator + newFilename)); // TODO check if fails
 772                             Log.e(TAG, f.getParent() + File.separator + newFilename);
 773                             newFile.setStoragePath(f.getParent() + File.separator + newFilename);
 774                         }
 775
 776                         new Thread(new RenameRunnable(mFile, newFile, mAccount, new Handler())).start();
 777
 778                     }
 779                 }
 780             }
 781         } else {
 782             Log.e(TAG, "Unknown dialog instance passed to onDismissDalog: " + dialog.getClass().getCanonicalName());
 783         }
 784
 785     }
 786
 787     private class RenameRunnable implements Runnable {
 788
 789         Account mAccount;
 790         OCFile mOld, mNew;
 791         Handler mHandler;
 792
 793         public RenameRunnable(OCFile oldFile, OCFile newFile, Account account, Handler handler) {
 794             mOld = oldFile;
 795             mNew = newFile;
 796             mAccount = account;
 797             mHandler = handler;
 798         }
 799
 800         public void run() {
 801             WebdavClient wc = new WebdavClient(mAccount, getSherlockActivity().getApplicationContext());
 802             wc.allowSelfsignedCertificates();
 803             AccountManager am = AccountManager.get(getSherlockActivity());
 804             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 805             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 806             String webdav_path = AccountUtils.getWebdavPath(ocv);
 807             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()));
 808
 809             Log.e("ASD", Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 810             LocalMoveMethod move = new LocalMoveMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mOld.getRemotePath()),
 811                                              Uri.parse(baseUrl).getPath() == null ? "" : Uri.parse(baseUrl).getPath() + webdav_path + WebdavUtils.encodePath(mNew.getRemotePath()));
 812
 813             try {
 814                 int status = wc.executeMethod(move);
 815                 if (move.succeeded()) {
 816                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 817                     fdsm.removeFile(mOld);
 818                     fdsm.saveFile(mNew);
 819                     mFile = mNew;
 820                     mHandler.post(new Runnable() {
 821                         @Override
 822                         public void run() {
 823                             updateFileDetails(mFile, mAccount);
 824                             mContainerActivity.onFileStateChanged();
 825                         }
 826                     });
 827                 }
 828                 Log.e("ASD", ""+move.getQueryString());
 829                 Log.d("move", "returned status " + status);
 830             } catch (HttpException e) {
 831                 // TODO Auto-generated catch block
 832                 e.printStackTrace();
 833             } catch (IOException e) {
 834                 // TODO Auto-generated catch block
 835                 e.printStackTrace();
 836             }
 837         }
 838         private class LocalMoveMethod extends DavMethodBase {
 839
 840             public LocalMoveMethod(String uri, String dest) {
 841                 super(uri);
 842                 addRequestHeader(new org.apache.commons.httpclient.Header("Destination", dest));
 843             }
 844
 845             @Override
 846             public String getName() {
 847                 return "MOVE";
 848             }
 849
 850             @Override
 851             protected boolean isSuccess(int status) {
 852                 return status == 201 || status == 204;
 853             }
 854
 855         }
 856     }
 857
 858     private static class EditNameFragment extends SherlockDialogFragment implements OnClickListener {
 859
 860         private String mNewFilename;
 861         private boolean mResult;
 862         private FileDetailFragment mListener;
 863
 864         static public EditNameFragment newInstance(String filename) {
 865             EditNameFragment f = new EditNameFragment();
 866             Bundle args = new Bundle();
 867             args.putString("filename", filename);
 868             f.setArguments(args);
 869             return f;
 870         }
 871
 872         @Override
 873         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 874             View v = inflater.inflate(R.layout.edit_box_dialog, container, false);
 875
 876             String currentName = getArguments().getString("filename");
 877             if (currentName == null)
 878                 currentName = "";
 879
 880             ((Button)v.findViewById(R.id.cancel)).setOnClickListener(this);
 881             ((Button)v.findViewById(R.id.ok)).setOnClickListener(this);
 882             ((TextView)v.findViewById(R.id.user_input)).setText(currentName);
 883             ((TextView)v.findViewById(R.id.user_input)).requestFocus();
 884             getDialog().getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
 885
 886             mResult = false;
 887             return v;
 888         }
 889
 890         @Override
 891         public void onClick(View view) {
 892             switch (view.getId()) {
 893                 case R.id.ok: {
 894                     mNewFilename = ((TextView)getView().findViewById(R.id.user_input)).getText().toString();
 895                     mResult = true;
 896                 }
 897                 case R.id.cancel: { // fallthought
 898                     dismiss();
 899                     mListener.onDismiss(this);
 900                 }
 901             }
 902         }
 903
 904         void setOnDismissListener(FileDetailFragment listener) {
 905             mListener = listener;
 906         }
 907
 908         public String getNewFilename() {
 909             return mNewFilename;
 910         }
 911
 912         // true if user click ok
 913         public boolean getResult() {
 914             return mResult;
 915         }
 916
 917     }
 918
 919     private class RemoveRunnable implements Runnable {
 920
 921         /** Arbitrary timeout for deletion */
 922         public final static int DELETION_TIMEOUT = 5000;
 923
 924         Account mAccount;
 925         OCFile mFileToRemove;
 926         Handler mHandler;
 927
 928         public RemoveRunnable(OCFile fileToRemove, Account account, Handler handler) {
 929             mFileToRemove = fileToRemove;
 930             mAccount = account;
 931             mHandler = handler;
 932         }
 933
 934         public void run() {
 935             WebdavClient wc = new WebdavClient(mAccount, getSherlockActivity().getApplicationContext());
 936             wc.allowSelfsignedCertificates();
 937             AccountManager am = AccountManager.get(getSherlockActivity());
 938             String baseUrl = am.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 939             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 940             String webdav_path = AccountUtils.getWebdavPath(ocv);
 941             Log.d("ASD", ""+baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
 942
 943             DeleteMethod delete = new DeleteMethod(baseUrl + webdav_path + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
 944
 945             boolean success = false;
 946             try {
 947                 int status = wc.executeMethod(delete, DELETION_TIMEOUT);
 948                 if (delete.succeeded()) {
 949                     FileDataStorageManager fdsm = new FileDataStorageManager(mAccount, getActivity().getContentResolver());
 950                     fdsm.removeFile(mFileToRemove);
 951                     mHandler.post(new Runnable() {
 952                         @Override
 953                         public void run() {
 954                             try {
 955                                 Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 956                                 msg.show();
 957                                 if (getActivity() instanceof FileDisplayActivity) {
 958                                     // double pane
 959                                     FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 960                                     transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 961                                     transaction.commit();
 962                                     mContainerActivity.onFileStateChanged();
 963
 964                                 } else {
 965                                     getActivity().finish();
 966                                 }
 967
 968                             } catch (NotFoundException e) {
 969                                 e.printStackTrace();
 970                             }
 971                         }
 972                     });
 973                     success = true;
 974                 }
 975                 Log.e("ASD", ""+ delete.getQueryString());
 976                 Log.d("delete", "returned status " + status);
 977
 978             } catch (HttpException e) {
 979                 e.printStackTrace();
 980
 981             } catch (IOException e) {
 982                 e.printStackTrace();
 983
 984             } finally {
 985                 if (!success) {
 986                     mHandler.post(new Runnable() {
 987                         @Override
 988                         public void run() {
 989                             try {
 990                                 Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 991                                 msg.show();
 992
 993                             } catch (NotFoundException e) {
 994                                 e.printStackTrace();
 995                             }
 996                         }
 997                     });
 998                 }
 999             }
1000         }
1001
1002     }
1003
1004     class BitmapLoader extends AsyncTask<String, Void, Bitmap> {
1005         @SuppressLint({ "NewApi", "NewApi", "NewApi" }) // to avoid Lint errors since Android SDK r20
1006                 @Override
1007         protected Bitmap doInBackground(String... params) {
1008             Bitmap result = null;
1009             if (params.length != 1) return result;
1010             String storagePath = params[0];
1011             try {
1012
1013                 BitmapFactory.Options options = new Options();
1014                 options.inScaled = true;
1015                 options.inPurgeable = true;
1016                 options.inJustDecodeBounds = true;
1017                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
1018                     options.inPreferQualityOverSpeed = false;
1019                 }
1020                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
1021                     options.inMutable = false;
1022                 }
1023
1024                 result = BitmapFactory.decodeFile(storagePath, options);
1025                 options.inJustDecodeBounds = false;
1026
1027                 int width = options.outWidth;
1028                 int height = options.outHeight;
1029                 int scale = 1;
1030                 if (width >= 2048 || height >= 2048) {
1031                     scale = (int) Math.ceil((Math.ceil(Math.max(height, width) / 2048.)));
1032                     options.inSampleSize = scale;
1033                 }
1034                 Display display = getActivity().getWindowManager().getDefaultDisplay();
1035                 Point size = new Point();
1036                 int screenwidth;
1037                 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
1038                     display.getSize(size);
1039                     screenwidth = size.x;
1040                 } else {
1041                     screenwidth = display.getWidth();
1042                 }
1043
1044                 Log.e("ASD", "W " + width + " SW " + screenwidth);
1045
1046                 if (width > screenwidth) {
1047                     scale = (int) Math.ceil((float)width / screenwidth);
1048                     options.inSampleSize = scale;
1049                 }
1050
1051                 result = BitmapFactory.decodeFile(storagePath, options);
1052
1053                 Log.e("ASD", "W " + options.outWidth + " SW " + options.outHeight);
1054
1055             } catch (OutOfMemoryError e) {
1056                 result = null;
1057                 Log.e(TAG, "Out of memory occured for file with size " + storagePath);
1058
1059             } catch (NoSuchFieldError e) {
1060                 result = null;
1061                 Log.e(TAG, "Error from access to unexisting field despite protection " + storagePath);
1062
1063             } catch (Throwable t) {
1064                 result = null;
1065                 Log.e(TAG, "Unexpected error while creating image preview " + storagePath, t);
1066             }
1067             return result;
1068         }
1069         @Override
1070         protected void onPostExecute(Bitmap result) {
1071             if (result != null && mPreview != null) {
1072                 mPreview.setImageBitmap(result);
1073             }
1074         }
1075
1076     }
1077
1078
1079 }