src/com/owncloud/android/ui/fragment/FileDetailFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   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.lang.ref.WeakReference;
  22 import java.util.ArrayList;
  23 import java.util.List;
  24
  25 import org.apache.commons.httpclient.methods.GetMethod;
  26 import org.apache.commons.httpclient.methods.PostMethod;
  27 import org.apache.commons.httpclient.methods.StringRequestEntity;
  28 import org.apache.commons.httpclient.params.HttpConnectionManagerParams;
  29 import org.apache.http.HttpStatus;
  30 import org.apache.http.NameValuePair;
  31 import org.apache.http.client.utils.URLEncodedUtils;
  32 import org.apache.http.message.BasicNameValuePair;
  33 import org.apache.http.protocol.HTTP;
  34 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  35 import org.json.JSONObject;
  36
  37 import android.accounts.Account;
  38 import android.accounts.AccountManager;
  39 import android.app.Activity;
  40 import android.content.ActivityNotFoundException;
  41 import android.content.BroadcastReceiver;
  42 import android.content.Context;
  43 import android.content.Intent;
  44 import android.content.IntentFilter;
  45 import android.net.Uri;
  46 import android.os.Bundle;
  47 import android.os.Handler;
  48 import android.support.v4.app.FragmentTransaction;
  49 import android.util.Log;
  50 import android.view.LayoutInflater;
  51 import android.view.View;
  52 import android.view.View.OnClickListener;
  53 import android.view.ViewGroup;
  54 import android.webkit.MimeTypeMap;
  55 import android.widget.CheckBox;
  56 import android.widget.ImageView;
  57 import android.widget.ProgressBar;
  58 import android.widget.TextView;
  59 import android.widget.Toast;
  60
  61 import com.actionbarsherlock.app.SherlockFragment;
  62 import com.actionbarsherlock.view.Menu;
  63 import com.actionbarsherlock.view.MenuInflater;
  64 import com.actionbarsherlock.view.MenuItem;
  65 import com.owncloud.android.AccountUtils;
  66 import com.owncloud.android.DisplayUtils;
  67 import com.owncloud.android.Log_OC;
  68 import com.owncloud.android.authenticator.AccountAuthenticator;
  69 import com.owncloud.android.datamodel.FileDataStorageManager;
  70 import com.owncloud.android.datamodel.OCFile;
  71 import com.owncloud.android.files.services.FileObserverService;
  72 import com.owncloud.android.files.services.FileUploader;
  73 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  74 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  75 import com.owncloud.android.network.OwnCloudClientUtils;
  76 import com.owncloud.android.operations.OnRemoteOperationListener;
  77 import com.owncloud.android.operations.RemoteOperation;
  78 import com.owncloud.android.operations.RemoteOperationResult;
  79 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  80 import com.owncloud.android.operations.RemoveFileOperation;
  81 import com.owncloud.android.operations.RenameFileOperation;
  82 import com.owncloud.android.operations.SynchronizeFileOperation;
  83 import com.owncloud.android.ui.activity.ConflictsResolveActivity;
  84 import com.owncloud.android.ui.activity.FileDetailActivity;
  85 import com.owncloud.android.ui.activity.FileDisplayActivity;
  86 import com.owncloud.android.ui.dialog.EditNameDialog;
  87 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  88 import com.owncloud.android.utils.OwnCloudVersion;
  89
  90 import com.owncloud.android.R;
  91
  92 import eu.alefzero.webdav.OnDatatransferProgressListener;
  93 import eu.alefzero.webdav.WebdavClient;
  94 import eu.alefzero.webdav.WebdavUtils;
  95
  96
  97 /**
  98  * This Fragment is used to display the details about a file.
  99  *
 100  * @author Bartek Przybylski
 101  * @author David A. Velasco
 102  */
 103 public class FileDetailFragment extends SherlockFragment implements
 104         OnClickListener,
 105         ConfirmationDialogFragment.ConfirmationDialogFragmentListener, OnRemoteOperationListener, EditNameDialogListener,
 106         FileFragment {
 107
 108     public static final String EXTRA_FILE = "FILE";
 109     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 110
 111     private FileFragment.ContainerActivity mContainerActivity;
 112
 113     private int mLayout;
 114     private View mView;
 115     private OCFile mFile;
 116     private Account mAccount;
 117     private FileDataStorageManager mStorageManager;
 118
 119     private UploadFinishReceiver mUploadFinishReceiver;
 120     public ProgressListener mProgressListener;
 121
 122     private Handler mHandler;
 123     private RemoteOperation mLastRemoteOperation;
 124
 125     private static final String TAG = FileDetailFragment.class.getSimpleName();
 126     public static final String FTAG = "FileDetails";
 127     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
 128
 129
 130     /**
 131      * Creates an empty details fragment.
 132      *
 133      * It's necessary to keep a public constructor without parameters; the system uses it when tries to reinstantiate a fragment automatically.
 134      */
 135     public FileDetailFragment() {
 136         mFile = null;
 137         mAccount = null;
 138         mStorageManager = null;
 139         mLayout = R.layout.file_details_empty;
 140         mProgressListener = null;
 141     }
 142
 143
 144     /**
 145      * Creates a details fragment.
 146      *
 147      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
 148      *
 149      * @param fileToDetail      An {@link OCFile} to show in the fragment
 150      * @param ocAccount         An ownCloud account; needed to start downloads
 151      */
 152     public FileDetailFragment(OCFile fileToDetail, Account ocAccount) {
 153         mFile = fileToDetail;
 154         mAccount = ocAccount;
 155         mStorageManager = null; // we need a context to init this; the container activity is not available yet at this moment
 156         mLayout = R.layout.file_details_empty;
 157         mProgressListener = null;
 158     }
 159
 160
 161     @Override
 162     public void onCreate(Bundle savedInstanceState) {
 163         super.onCreate(savedInstanceState);
 164         mHandler = new Handler();
 165         setHasOptionsMenu(true);
 166     }
 167
 168
 169     @Override
 170     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 171             Bundle savedInstanceState) {
 172         super.onCreateView(inflater, container, savedInstanceState);
 173
 174         if (savedInstanceState != null) {
 175             mFile = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 176             mAccount = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_ACCOUNT);
 177         }
 178
 179         if(mFile != null && mAccount != null) {
 180             mLayout = R.layout.file_details_fragment;
 181         }
 182
 183         View view = null;
 184         view = inflater.inflate(mLayout, container, false);
 185         mView = view;
 186
 187         if (mLayout == R.layout.file_details_fragment) {
 188             mView.findViewById(R.id.fdKeepInSync).setOnClickListener(this);
 189             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 190             mProgressListener = new ProgressListener(progressBar);
 191             mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
 192         }
 193
 194         updateFileDetails(false, false);
 195         return view;
 196     }
 197
 198     /**
 199      * {@inheritDoc}
 200      */
 201     @Override
 202     public void onAttach(Activity activity) {
 203         super.onAttach(activity);
 204         try {
 205             mContainerActivity = (ContainerActivity) activity;
 206
 207         } catch (ClassCastException e) {
 208             throw new ClassCastException(activity.toString() + " must implement " + FileDetailFragment.ContainerActivity.class.getSimpleName());
 209         }
 210     }
 211
 212
 213     /**
 214      * {@inheritDoc}
 215      */
 216     @Override
 217     public void onActivityCreated(Bundle savedInstanceState) {
 218         super.onActivityCreated(savedInstanceState);
 219         if (mAccount != null) {
 220             mStorageManager = new FileDataStorageManager(mAccount, getActivity().getApplicationContext().getContentResolver());
 221         }
 222     }
 223
 224
 225     @Override
 226     public void onSaveInstanceState(Bundle outState) {
 227         super.onSaveInstanceState(outState);
 228         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mFile);
 229         outState.putParcelable(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 230     }
 231
 232     @Override
 233     public void onStart() {
 234         super.onStart();
 235         listenForTransferProgress();
 236     }
 237
 238     @Override
 239     public void onResume() {
 240         super.onResume();
 241         mUploadFinishReceiver = new UploadFinishReceiver();
 242         IntentFilter filter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 243         getActivity().registerReceiver(mUploadFinishReceiver, filter);
 244
 245     }
 246
 247
 248     @Override
 249     public void onPause() {
 250         super.onPause();
 251         if (mUploadFinishReceiver != null) {
 252             getActivity().unregisterReceiver(mUploadFinishReceiver);
 253             mUploadFinishReceiver = null;
 254         }
 255     }
 256
 257
 258     @Override
 259     public void onStop() {
 260         super.onStop();
 261         leaveTransferProgress();
 262     }
 263
 264
 265     @Override
 266     public View getView() {
 267         return super.getView() == null ? mView : super.getView();
 268     }
 269
 270
 271     /**
 272      * {@inheritDoc}
 273      */
 274     @Override
 275     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 276         super.onCreateOptionsMenu(menu, inflater);
 277         inflater.inflate(R.menu.file_actions_menu, menu);
 278         MenuItem item = menu.findItem(R.id.action_see_details);
 279         if (item != null) {
 280             item.setVisible(false);
 281             item.setEnabled(false);
 282         }
 283     }
 284
 285
 286     /**
 287      * {@inheritDoc}
 288      */
 289     @Override
 290     public void onPrepareOptionsMenu (Menu menu) {
 291         super.onPrepareOptionsMenu(menu);
 292
 293         List<Integer> toHide = new ArrayList<Integer>();
 294         List<Integer> toShow = new ArrayList<Integer>();
 295
 296         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 297         boolean downloading = downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile);
 298         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 299         boolean uploading = uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile);
 300
 301         if (downloading || uploading) {
 302             toHide.add(R.id.action_download_file);
 303             toHide.add(R.id.action_rename_file);
 304             toHide.add(R.id.action_remove_file);
 305             toHide.add(R.id.action_open_file_with);
 306             if (!downloading) {
 307                 toHide.add(R.id.action_cancel_download);
 308                 toShow.add(R.id.action_cancel_upload);
 309             } else {
 310                 toHide.add(R.id.action_cancel_upload);
 311                 toShow.add(R.id.action_cancel_download);
 312             }
 313
 314         } else if (mFile != null && mFile.isDown()) {
 315             toHide.add(R.id.action_download_file);
 316             toHide.add(R.id.action_cancel_download);
 317             toHide.add(R.id.action_cancel_upload);
 318
 319             toShow.add(R.id.action_rename_file);
 320             toShow.add(R.id.action_remove_file);
 321             toShow.add(R.id.action_open_file_with);
 322             toShow.add(R.id.action_sync_file);
 323
 324         } else {
 325             toHide.add(R.id.action_open_file_with);
 326             toHide.add(R.id.action_cancel_download);
 327             toHide.add(R.id.action_cancel_upload);
 328             toHide.add(R.id.action_sync_file);
 329
 330             toShow.add(R.id.action_rename_file);
 331             toShow.add(R.id.action_remove_file);
 332             toShow.add(R.id.action_download_file);
 333         }
 334
 335         MenuItem item = null;
 336         for (int i : toHide) {
 337             item = menu.findItem(i);
 338             if (item != null) {
 339                 item.setVisible(false);
 340                 item.setEnabled(false);
 341             }
 342         }
 343         for (int i : toShow) {
 344             item = menu.findItem(i);
 345             if (item != null) {
 346                 item.setVisible(true);
 347                 item.setEnabled(true);
 348             }
 349         }
 350     }
 351
 352
 353     /**
 354      * {@inheritDoc}
 355      */
 356     @Override
 357     public boolean onOptionsItemSelected(MenuItem item) {
 358         switch (item.getItemId()) {
 359             case R.id.action_open_file_with: {
 360                 openFile();
 361                 return true;
 362             }
 363             case R.id.action_remove_file: {
 364                 removeFile();
 365                 return true;
 366             }
 367             case R.id.action_rename_file: {
 368                 renameFile();
 369                 return true;
 370             }
 371             case R.id.action_download_file:
 372             case R.id.action_cancel_download:
 373             case R.id.action_cancel_upload:
 374             case R.id.action_sync_file: {
 375                 synchronizeFile();
 376                 return true;
 377             }
 378             default:
 379                 return false;
 380         }
 381     }
 382
 383
 384     @Override
 385     public void onClick(View v) {
 386         switch (v.getId()) {
 387             case R.id.fdKeepInSync: {
 388                 toggleKeepInSync();
 389                 break;
 390             }
 391             case R.id.fdCancelBtn: {
 392                 synchronizeFile();
 393                 break;
 394             }
 395             default:
 396                 Log_OC.e(TAG, "Incorrect view clicked!");
 397         }
 398     }
 399
 400
 401     private void toggleKeepInSync() {
 402         CheckBox cb = (CheckBox) getView().findViewById(R.id.fdKeepInSync);
 403         mFile.setKeepInSync(cb.isChecked());
 404         mStorageManager.saveFile(mFile);
 405
 406         /// register the OCFile instance in the observer service to monitor local updates;
 407         /// if necessary, the file is download
 408         Intent intent = new Intent(getActivity().getApplicationContext(),
 409                                    FileObserverService.class);
 410         intent.putExtra(FileObserverService.KEY_FILE_CMD,
 411                    (cb.isChecked()?
 412                            FileObserverService.CMD_ADD_OBSERVED_FILE:
 413                            FileObserverService.CMD_DEL_OBSERVED_FILE));
 414         intent.putExtra(FileObserverService.KEY_CMD_ARG_FILE, mFile);
 415         intent.putExtra(FileObserverService.KEY_CMD_ARG_ACCOUNT, mAccount);
 416         getActivity().startService(intent);
 417
 418         if (mFile.keepInSync()) {
 419             synchronizeFile();   // force an immediate synchronization
 420         }
 421     }
 422
 423
 424     private void removeFile() {
 425         ConfirmationDialogFragment confDialog = ConfirmationDialogFragment.newInstance(
 426                 R.string.confirmation_remove_alert,
 427                 new String[]{mFile.getFileName()},
 428                 mFile.isDown() ? R.string.confirmation_remove_remote_and_local : R.string.confirmation_remove_remote,
 429                 mFile.isDown() ? R.string.confirmation_remove_local : -1,
 430                 R.string.common_cancel);
 431         confDialog.setOnConfirmationListener(this);
 432         confDialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 433     }
 434
 435
 436     private void renameFile() {
 437         String fileName = mFile.getFileName();
 438         int extensionStart = mFile.isDirectory() ? -1 : fileName.lastIndexOf(".");
 439         int selectionEnd = (extensionStart >= 0) ? extensionStart : fileName.length();
 440         EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.rename_dialog_title), fileName, 0, selectionEnd, this);
 441         dialog.show(getFragmentManager(), "nameeditdialog");
 442     }
 443
 444     private void synchronizeFile() {
 445         FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 446         FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 447         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 448             downloaderBinder.cancel(mAccount, mFile);
 449             if (mFile.isDown()) {
 450                 setButtonsForDown();
 451             } else {
 452                 setButtonsForRemote();
 453             }
 454
 455         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 456             uploaderBinder.cancel(mAccount, mFile);
 457             if (!mFile.fileExists()) {
 458                 // TODO make something better
 459                 if (getActivity() instanceof FileDisplayActivity) {
 460                     // double pane
 461                     FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 462                     transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FTAG); // empty FileDetailFragment
 463                     transaction.commit();
 464                     mContainerActivity.onFileStateChanged();
 465                 } else {
 466                     getActivity().finish();
 467                 }
 468
 469             } else if (mFile.isDown()) {
 470                 setButtonsForDown();
 471             } else {
 472                 setButtonsForRemote();
 473             }
 474
 475         } else {
 476             mLastRemoteOperation = new SynchronizeFileOperation(mFile, null, mStorageManager, mAccount, true, false, getActivity());
 477             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 478             mLastRemoteOperation.execute(wc, this, mHandler);
 479
 480             // update ui
 481             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 482             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 483
 484         }
 485     }
 486
 487
 488     /**
 489      * Opens mFile.
 490      */
 491     private void openFile() {
 492
 493         String storagePath = mFile.getStoragePath();
 494         String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 495         try {
 496             Intent i = new Intent(Intent.ACTION_VIEW);
 497             i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mFile.getMimetype());
 498             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 499             startActivity(i);
 500
 501         } catch (Throwable t) {
 502             Log.e(TAG, "Fail when trying to open with the mimeType provided from the ownCloud server: " + mFile.getMimetype());
 503             boolean toastIt = true;
 504             String mimeType = "";
 505             try {
 506                 Intent i = new Intent(Intent.ACTION_VIEW);
 507                 mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
 508                 if (mimeType == null || !mimeType.equals(mFile.getMimetype())) {
 509                     if (mimeType != null) {
 510                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), mimeType);
 511                     } else {
 512                         // desperate try
 513                         i.setDataAndType(Uri.parse("file://"+ encodedStoragePath), "*/*");
 514                     }
 515                     i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 516                     startActivity(i);
 517                     toastIt = false;
 518                 }
 519
 520             } catch (IndexOutOfBoundsException e) {
 521                 Log.e(TAG, "Trying to find out MIME type of a file without extension: " + storagePath);
 522
 523             } catch (ActivityNotFoundException e) {
 524                 Log.e(TAG, "No activity found to handle: " + storagePath + " with MIME type " + mimeType + " obtained from extension");
 525
 526             } catch (Throwable th) {
 527                 Log.e(TAG, "Unexpected problem when opening: " + storagePath, th);
 528
 529             } finally {
 530                 if (toastIt) {
 531                     Toast.makeText(getActivity(), "There is no application to handle file " + mFile.getFileName(), Toast.LENGTH_SHORT).show();
 532                 }
 533             }
 534
 535         }
 536     }
 537
 538
 539     @Override
 540     public void onConfirmation(String callerTag) {
 541         if (callerTag.equals(FTAG_CONFIRMATION)) {
 542             if (mStorageManager.getFileById(mFile.getFileId()) != null) {
 543                 mLastRemoteOperation = new RemoveFileOperation( mFile,
 544                                                                 true,
 545                                                                 mStorageManager);
 546                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 547                 mLastRemoteOperation.execute(wc, this, mHandler);
 548
 549                 boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 550                 getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 551             }
 552         }
 553     }
 554
 555     @Override
 556     public void onNeutral(String callerTag) {
 557         File f = null;
 558         if (mFile.isDown() && (f = new File(mFile.getStoragePath())).exists()) {
 559             f.delete();
 560             mFile.setStoragePath(null);
 561             mStorageManager.saveFile(mFile);
 562             updateFileDetails(mFile, mAccount);
 563         }
 564     }
 565
 566     @Override
 567     public void onCancel(String callerTag) {
 568         Log.d(TAG, "REMOVAL CANCELED");
 569     }
 570
 571
 572     /**
 573      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 574      *
 575      * @return  True when the fragment was created with the empty layout.
 576      */
 577     public boolean isEmpty() {
 578         return (mLayout == R.layout.file_details_empty || mFile == null || mAccount == null);
 579     }
 580
 581
 582     /**
 583      * {@inheritDoc}
 584      */
 585     public OCFile getFile(){
 586         return mFile;
 587     }
 588
 589     /**
 590      * Use this method to signal this Activity that it shall update its view.
 591      *
 592      * @param file : An {@link OCFile}
 593      */
 594     public void updateFileDetails(OCFile file, Account ocAccount) {
 595         mFile = file;
 596         if (ocAccount != null && (
 597                 mStorageManager == null ||
 598                 (mAccount != null && !mAccount.equals(ocAccount))
 599            )) {
 600             mStorageManager = new FileDataStorageManager(ocAccount, getActivity().getApplicationContext().getContentResolver());
 601         }
 602         mAccount = ocAccount;
 603         updateFileDetails(false, false);
 604     }
 605
 606     /**
 607      * Updates the view with all relevant details about that file.
 608      *
 609      * TODO Remove parameter when the transferring state of files is kept in database.
 610      *
 611      * TODO REFACTORING! this method called 5 times before every time the fragment is shown!
 612      *
 613      * @param transferring      Flag signaling if the file should be considered as downloading or uploading,
 614      *                          although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 615      *                          {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 616      *
 617      * @param refresh           If 'true', try to refresh the hold file from the database
 618      */
 619     public void updateFileDetails(boolean transferring, boolean refresh) {
 620
 621         if (readyToShow()) {
 622
 623             if (refresh && mStorageManager != null) {
 624                 mFile = mStorageManager.getFileByPath(mFile.getRemotePath());
 625             }
 626
 627             // set file details
 628             setFilename(mFile.getFileName());
 629             setFiletype(mFile.getMimetype());
 630             setFilesize(mFile.getFileLength());
 631             if(ocVersionSupportsTimeCreated()){
 632                 setTimeCreated(mFile.getCreationTimestamp());
 633             }
 634
 635             setTimeModified(mFile.getModificationTimestamp());
 636
 637             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdKeepInSync);
 638             cb.setChecked(mFile.keepInSync());
 639
 640             // configure UI for depending upon local state of the file
 641             //if (FileDownloader.isDownloading(mAccount, mFile.getRemotePath()) || FileUploader.isUploading(mAccount, mFile.getRemotePath())) {
 642             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 643             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 644             if (transferring || (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) || (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile))) {
 645                 setButtonsForTransferring();
 646
 647             } else if (mFile.isDown()) {
 648
 649                 setButtonsForDown();
 650
 651             } else {
 652                 // TODO load default preview image; when the local file is removed, the preview remains there
 653                 setButtonsForRemote();
 654             }
 655         }
 656         getView().invalidate();
 657     }
 658
 659
 660     /**
 661      * Checks if the fragment is ready to show details of a OCFile
 662      *
 663      * @return  'True' when the fragment is ready to show details of a file
 664      */
 665     private boolean readyToShow() {
 666         return (mFile != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 667     }
 668
 669
 670     /**
 671      * Updates the filename in view
 672      * @param filename to set
 673      */
 674     private void setFilename(String filename) {
 675         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 676         if (tv != null)
 677             tv.setText(filename);
 678     }
 679
 680     /**
 681      * Updates the MIME type in view
 682      * @param mimetype to set
 683      */
 684     private void setFiletype(String mimetype) {
 685         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 686         if (tv != null) {
 687             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);;
 688             tv.setText(printableMimetype);
 689         }
 690         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 691         if (iv != null) {
 692             iv.setImageResource(DisplayUtils.getResourceId(mimetype));
 693         }
 694     }
 695
 696     /**
 697      * Updates the file size in view
 698      * @param filesize in bytes to set
 699      */
 700     private void setFilesize(long filesize) {
 701         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 702         if (tv != null)
 703             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 704     }
 705
 706     /**
 707      * Updates the time that the file was created in view
 708      * @param milliseconds Unix time to set
 709      */
 710     private void setTimeCreated(long milliseconds){
 711         TextView tv = (TextView) getView().findViewById(R.id.fdCreated);
 712         TextView tvLabel = (TextView) getView().findViewById(R.id.fdCreatedLabel);
 713         if(tv != null){
 714             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 715             tv.setVisibility(View.VISIBLE);
 716             tvLabel.setVisibility(View.VISIBLE);
 717         }
 718     }
 719
 720     /**
 721      * Updates the time that the file was last modified
 722      * @param milliseconds Unix time to set
 723      */
 724     private void setTimeModified(long milliseconds){
 725         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 726         if(tv != null){
 727             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 728         }
 729     }
 730
 731     /**
 732      * Enables or disables buttons for a file being downloaded
 733      */
 734     private void setButtonsForTransferring() {
 735         if (!isEmpty()) {
 736             // let's protect the user from himself ;)
 737             getView().findViewById(R.id.fdKeepInSync).setEnabled(false);
 738
 739             // show the progress bar for the transfer
 740             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 741             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 742             progressText.setVisibility(View.VISIBLE);
 743             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 744             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 745             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
 746                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 747             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, mFile)) {
 748                 progressText.setText(R.string.uploader_upload_in_progress_ticker);
 749             }
 750         }
 751     }
 752
 753     /**
 754      * Enables or disables buttons for a file locally available
 755      */
 756     private void setButtonsForDown() {
 757         if (!isEmpty()) {
 758             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 759
 760             // hides the progress bar
 761             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 762             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 763             progressText.setVisibility(View.GONE);
 764         }
 765     }
 766
 767     /**
 768      * Enables or disables buttons for a file not locally available
 769      */
 770     private void setButtonsForRemote() {
 771         if (!isEmpty()) {
 772             getView().findViewById(R.id.fdKeepInSync).setEnabled(true);
 773
 774             // hides the progress bar
 775             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 776             TextView progressText = (TextView)getView().findViewById(R.id.fdProgressText);
 777             progressText.setVisibility(View.GONE);
 778         }
 779     }
 780
 781
 782     /**
 783      * In ownCloud 3.X.X and 4.X.X there is a bug that SabreDAV does not return
 784      * the time that the file was created. There is a chance that this will
 785      * be fixed in future versions. Use this method to check if this version of
 786      * ownCloud has this fix.
 787      * @return True, if ownCloud the ownCloud version is supporting creation time
 788      */
 789     private boolean ocVersionSupportsTimeCreated(){
 790         /*if(mAccount != null){
 791             AccountManager accManager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
 792             OwnCloudVersion ocVersion = new OwnCloudVersion(accManager
 793                     .getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION));
 794             if(ocVersion.compareTo(new OwnCloudVersion(0x030000)) < 0) {
 795                 return true;
 796             }
 797         }*/
 798         return false;
 799     }
 800
 801
 802     /**
 803      * Once the file upload has finished -> update view
 804      *
 805      * Being notified about the finish of an upload is necessary for the next sequence:
 806      *   1. Upload a big file.
 807      *   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
 808      *      of its containing folder; the the server includes it in the PROPFIND requests although it's not fully upload.
 809      *   3. Click the file in the list to see its details.
 810      *   4. Wait for the upload finishes; at this moment, the details view must be refreshed to enable the action buttons.
 811      */
 812     private class UploadFinishReceiver extends BroadcastReceiver {
 813         @Override
 814         public void onReceive(Context context, Intent intent) {
 815             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 816
 817             if (!isEmpty() && accountName.equals(mAccount.name)) {
 818                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
 819                 String uploadRemotePath = intent.getStringExtra(FileUploader.EXTRA_REMOTE_PATH);
 820                 boolean renamedInUpload = mFile.getRemotePath().equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
 821                 if (mFile.getRemotePath().equals(uploadRemotePath) ||
 822                     renamedInUpload) {
 823                     if (uploadWasFine) {
 824                         mFile = mStorageManager.getFileByPath(uploadRemotePath);
 825                     }
 826                     if (renamedInUpload) {
 827                         String newName = (new File(uploadRemotePath)).getName();
 828                         Toast msg = Toast.makeText(getActivity().getApplicationContext(), String.format(getString(R.string.filedetails_renamed_in_upload_msg), newName), Toast.LENGTH_LONG);
 829                         msg.show();
 830                     }
 831                     getSherlockActivity().removeStickyBroadcast(intent);    // not the best place to do this; a small refactorization of BroadcastReceivers should be done
 832                     updateFileDetails(false, false);    // it updates the buttons; must be called although !uploadWasFine; interrupted uploads still leave an incomplete file in the server
 833                 }
 834             }
 835         }
 836     }
 837
 838
 839     // this is a temporary class for sharing purposes, it need to be replaced in transfer service
 840     @SuppressWarnings("unused")
 841     private class ShareRunnable implements Runnable {
 842         private String mPath;
 843
 844         public ShareRunnable(String path) {
 845             mPath = path;
 846         }
 847
 848         public void run() {
 849             AccountManager am = AccountManager.get(getActivity());
 850             Account account = AccountUtils.getCurrentOwnCloudAccount(getActivity());
 851             OwnCloudVersion ocv = new OwnCloudVersion(am.getUserData(account, AccountAuthenticator.KEY_OC_VERSION));
 852             String url = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + AccountUtils.getWebdavPath(ocv);
 853
 854             Log.d("share", "sharing for version " + ocv.toString());
 855
 856             if (ocv.compareTo(new OwnCloudVersion(0x040000)) >= 0) {
 857                 String APPS_PATH = "/apps/files_sharing/";
 858                 String SHARE_PATH = "ajax/share.php";
 859
 860                 String SHARED_PATH = "/apps/files_sharing/get.php?token=";
 861
 862                 final String WEBDAV_SCRIPT = "webdav.php";
 863                 final String WEBDAV_FILES_LOCATION = "/files/";
 864
 865                 WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(account, getActivity().getApplicationContext());
 866                 HttpConnectionManagerParams params = new HttpConnectionManagerParams();
 867                 params.setMaxConnectionsPerHost(wc.getHostConfiguration(), 5);
 868
 869                 //wc.getParams().setParameter("http.protocol.single-cookie-header", true);
 870                 //wc.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
 871
 872                 PostMethod post = new PostMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + APPS_PATH + SHARE_PATH);
 873
 874                 post.addRequestHeader("Content-type","application/x-www-form-urlencoded; charset=UTF-8" );
 875                 post.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 876                 List<NameValuePair> formparams = new ArrayList<NameValuePair>();
 877                 Log.d("share", mPath+"");
 878                 formparams.add(new BasicNameValuePair("sources",mPath));
 879                 formparams.add(new BasicNameValuePair("uid_shared_with", "public"));
 880                 formparams.add(new BasicNameValuePair("permissions", "0"));
 881                 post.setRequestEntity(new StringRequestEntity(URLEncodedUtils.format(formparams, HTTP.UTF_8)));
 882
 883                 int status;
 884                 try {
 885                     PropFindMethod find = new PropFindMethod(url+"/");
 886                     find.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 887                     Log.d("sharer", ""+ url+"/");
 888
 889                     for (org.apache.commons.httpclient.Header a : find.getRequestHeaders()) {
 890                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 891                     }
 892
 893                     int status2 = wc.executeMethod(find);
 894
 895                     Log.d("sharer", "propstatus "+status2);
 896
 897                     GetMethod get = new GetMethod(am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + "/");
 898                     get.addRequestHeader("Referer", am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL));
 899
 900                     status2 = wc.executeMethod(get);
 901
 902                     Log.d("sharer", "getstatus "+status2);
 903                     Log.d("sharer", "" + get.getResponseBodyAsString());
 904
 905                     for (org.apache.commons.httpclient.Header a : get.getResponseHeaders()) {
 906                         Log.d("sharer", a.getName() + ":"+a.getValue());
 907                     }
 908
 909                     status = wc.executeMethod(post);
 910                     for (org.apache.commons.httpclient.Header a : post.getRequestHeaders()) {
 911                         Log.d("sharer-h", a.getName() + ":"+a.getValue());
 912                     }
 913                     for (org.apache.commons.httpclient.Header a : post.getResponseHeaders()) {
 914                         Log.d("sharer", a.getName() + ":"+a.getValue());
 915                     }
 916                     String resp = post.getResponseBodyAsString();
 917                     Log.d("share", ""+post.getURI().toString());
 918                     Log.d("share", "returned status " + status);
 919                     Log.d("share", " " +resp);
 920
 921                     if(status != HttpStatus.SC_OK ||resp == null || resp.equals("") || resp.startsWith("false")) {
 922                         return;
 923                      }
 924
 925                     JSONObject jsonObject = new JSONObject (resp);
 926                     String jsonStatus = jsonObject.getString("status");
 927                     if(!jsonStatus.equals("success")) throw new Exception("Error while sharing file status != success");
 928
 929                     String token = jsonObject.getString("data");
 930                     String uri = am.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL) + SHARED_PATH + token;
 931                     Log.d("Actions:shareFile ok", "url: " + uri);
 932
 933                 } catch (Exception e) {
 934                     e.printStackTrace();
 935                 }
 936
 937             } else if (ocv.compareTo(new OwnCloudVersion(0x030000)) >= 0) {
 938
 939             }
 940         }
 941     }
 942
 943     public void onDismiss(EditNameDialog dialog) {
 944         if (dialog.getResult()) {
 945             String newFilename = dialog.getNewFilename();
 946             Log.d(TAG, "name edit dialog dismissed with new name " + newFilename);
 947             mLastRemoteOperation = new RenameFileOperation( mFile,
 948                                                             mAccount,
 949                                                             newFilename,
 950                                                             new FileDataStorageManager(mAccount, getActivity().getContentResolver()));
 951             WebdavClient wc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getSherlockActivity().getApplicationContext());
 952             mLastRemoteOperation.execute(wc, this, mHandler);
 953             boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 954             getActivity().showDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 955         }
 956     }
 957
 958
 959     /**
 960      * {@inheritDoc}
 961      */
 962     @Override
 963     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 964         if (operation.equals(mLastRemoteOperation)) {
 965             if (operation instanceof RemoveFileOperation) {
 966                 onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
 967
 968             } else if (operation instanceof RenameFileOperation) {
 969                 onRenameFileOperationFinish((RenameFileOperation)operation, result);
 970
 971             } else if (operation instanceof SynchronizeFileOperation) {
 972                 onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
 973             }
 974         }
 975     }
 976
 977
 978     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
 979         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
 980         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
 981
 982         if (result.isSuccess()) {
 983             Toast msg = Toast.makeText(getActivity().getApplicationContext(), R.string.remove_success_msg, Toast.LENGTH_LONG);
 984             msg.show();
 985             if (inDisplayActivity) {
 986                 // double pane
 987                 FragmentTransaction transaction = getActivity().getSupportFragmentManager().beginTransaction();
 988                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
 989                 transaction.commit();
 990                 mContainerActivity.onFileStateChanged();
 991             } else {
 992                 getActivity().finish();
 993             }
 994
 995         } else {
 996             Toast msg = Toast.makeText(getActivity(), R.string.remove_fail_msg, Toast.LENGTH_LONG);
 997             msg.show();
 998             if (result.isSslRecoverableException()) {
 999                 // TODO show the SSL warning dialog
1000             }
1001         }
1002     }
1003
1004     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1005         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1006         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1007
1008         if (result.isSuccess()) {
1009             updateFileDetails(((RenameFileOperation)operation).getFile(), mAccount);
1010             mContainerActivity.onFileStateChanged();
1011
1012         } else {
1013             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1014                 Toast msg = Toast.makeText(getActivity(), R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1015                 msg.show();
1016                 // TODO throw again the new rename dialog
1017             } else {
1018                 Toast msg = Toast.makeText(getActivity(), R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1019                 msg.show();
1020                 if (result.isSslRecoverableException()) {
1021                     // TODO show the SSL warning dialog
1022                 }
1023             }
1024         }
1025     }
1026
1027     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1028         boolean inDisplayActivity = getActivity() instanceof FileDisplayActivity;
1029         getActivity().dismissDialog((inDisplayActivity)? FileDisplayActivity.DIALOG_SHORT_WAIT : FileDetailActivity.DIALOG_SHORT_WAIT);
1030
1031         if (!result.isSuccess()) {
1032             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1033                 Intent i = new Intent(getActivity(), ConflictsResolveActivity.class);
1034                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, mFile);
1035                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, mAccount);
1036                 startActivity(i);
1037
1038             } else {
1039                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1040                 msg.show();
1041             }
1042
1043             if (mFile.isDown()) {
1044                 setButtonsForDown();
1045
1046             } else {
1047                 setButtonsForRemote();
1048             }
1049
1050         } else {
1051             if (operation.transferWasRequested()) {
1052                 setButtonsForTransferring();
1053                 mContainerActivity.onFileStateChanged();    // this is not working; FileDownloader won't do NOTHING at all until this method finishes, so
1054                                                             // checking the service to see if the file is downloading results in FALSE
1055             } else {
1056                 Toast msg = Toast.makeText(getActivity(), R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1057                 msg.show();
1058                 if (mFile.isDown()) {
1059                     setButtonsForDown();
1060
1061                 } else {
1062                     setButtonsForRemote();
1063                 }
1064             }
1065         }
1066     }
1067
1068
1069     public void listenForTransferProgress() {
1070         if (mProgressListener != null) {
1071             if (mContainerActivity.getFileDownloaderBinder() != null) {
1072                 mContainerActivity.getFileDownloaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1073             }
1074             if (mContainerActivity.getFileUploaderBinder() != null) {
1075                 mContainerActivity.getFileUploaderBinder().addDatatransferProgressListener(mProgressListener, mAccount, mFile);
1076             }
1077         }
1078     }
1079
1080
1081     public void leaveTransferProgress() {
1082         if (mProgressListener != null) {
1083             if (mContainerActivity.getFileDownloaderBinder() != null) {
1084                 mContainerActivity.getFileDownloaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1085             }
1086             if (mContainerActivity.getFileUploaderBinder() != null) {
1087                 mContainerActivity.getFileUploaderBinder().removeDatatransferProgressListener(mProgressListener, mAccount, mFile);
1088             }
1089         }
1090     }
1091
1092
1093
1094     /**
1095      * Helper class responsible for updating the progress bar shown for file uploading or downloading
1096      *
1097      * @author David A. Velasco
1098      */
1099     private class ProgressListener implements OnDatatransferProgressListener {
1100         int mLastPercent = 0;
1101         WeakReference<ProgressBar> mProgressBar = null;
1102
1103         ProgressListener(ProgressBar progressBar) {
1104             mProgressBar = new WeakReference<ProgressBar>(progressBar);
1105         }
1106
1107         @Override
1108         public void onTransferProgress(long progressRate) {
1109             // old method, nothing here
1110         };
1111
1112         @Override
1113         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
1114             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
1115             if (percent != mLastPercent) {
1116                 ProgressBar pb = mProgressBar.get();
1117                 if (pb != null) {
1118                     pb.setProgress(percent);
1119                     pb.postInvalidate();
1120                 }
1121             }
1122             mLastPercent = percent;
1123         }
1124
1125     };
1126
1127 }