src/com/owncloud/android/ui/activity/FileDisplayActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 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
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.app.ProgressDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.Context;
  35 import android.content.DialogInterface;
  36 import android.content.Intent;
  37 import android.content.IntentFilter;
  38 import android.content.ServiceConnection;
  39 import android.content.SharedPreferences;
  40 import android.content.SyncRequest;
  41 import android.content.res.Resources.NotFoundException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.Bundle;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.MediaStore;
  48 import android.support.v4.app.Fragment;
  49 import android.support.v4.app.FragmentManager;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.util.Log;
  52 import android.view.View;
  53 import android.view.ViewGroup;
  54 import android.widget.ArrayAdapter;
  55 import android.widget.TextView;
  56 import android.widget.Toast;
  57
  58 import com.actionbarsherlock.app.ActionBar;
  59 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  60 import com.actionbarsherlock.view.Menu;
  61 import com.actionbarsherlock.view.MenuInflater;
  62 import com.actionbarsherlock.view.MenuItem;
  63 import com.actionbarsherlock.view.Window;
  64 import com.owncloud.android.BuildConfig;
  65 import com.owncloud.android.MainApp;
  66 import com.owncloud.android.R;
  67 import com.owncloud.android.datamodel.OCFile;
  68 import com.owncloud.android.files.services.FileDownloader;
  69 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  70 import com.owncloud.android.files.services.FileUploader;
  71 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  72 import com.owncloud.android.lib.common.OwnCloudAccount;
  73 import com.owncloud.android.lib.common.OwnCloudClient;
  74 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  75 import com.owncloud.android.lib.common.OwnCloudCredentials;
  76 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  77 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  78 import com.owncloud.android.lib.common.operations.RemoteOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  81 import com.owncloud.android.operations.CreateFolderOperation;
  82 import com.owncloud.android.operations.CreateShareOperation;
  83 import com.owncloud.android.operations.RemoveFileOperation;
  84 import com.owncloud.android.operations.RenameFileOperation;
  85 import com.owncloud.android.operations.SynchronizeFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFolderOperation;
  87 import com.owncloud.android.operations.UnshareLinkOperation;
  88 import com.owncloud.android.services.observer.FileObserverService;
  89 import com.owncloud.android.syncadapter.FileSyncAdapter;
  90 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  91 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  92 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  93 import com.owncloud.android.ui.fragment.FileDetailFragment;
  94 import com.owncloud.android.ui.fragment.FileFragment;
  95 import com.owncloud.android.ui.fragment.OCFileListFragment;
  96 import com.owncloud.android.ui.preview.PreviewImageActivity;
  97 import com.owncloud.android.ui.preview.PreviewImageFragment;
  98 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  99 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 100 import com.owncloud.android.utils.DisplayUtils;
 101 import com.owncloud.android.utils.ErrorMessageAdapter;
 102 import com.owncloud.android.utils.Log_OC;
 103
 104
 105 /**
 106  * Displays, what files the user has available in his ownCloud.
 107  *
 108  * @author Bartek Przybylski
 109  * @author David A. Velasco
 110  */
 111
 112 public class FileDisplayActivity extends HookActivity implements
 113 FileFragment.ContainerActivity, OnNavigationListener, OnSslUntrustedCertListener {
 114
 115     private ArrayAdapter<String> mDirectories;
 116
 117     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 118     private UploadFinishReceiver mUploadFinishReceiver;
 119     private DownloadFinishReceiver mDownloadFinishReceiver;
 120     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 121
 122     private boolean mDualPane;
 123     private View mLeftFragmentContainer;
 124     private View mRightFragmentContainer;
 125
 126     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 127     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 128     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 129
 130     public static final int DIALOG_SHORT_WAIT = 0;
 131     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 132     private static final int DIALOG_CERT_NOT_SAVED = 2;
 133
 134     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 135
 136     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 137     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 138
 139     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 140
 141     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 142     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 143
 144     private OCFile mWaitingToPreview;
 145
 146     private boolean mSyncInProgress = false;
 147
 148     private String DIALOG_UNTRUSTED_CERT;
 149
 150     private OCFile mWaitingToSend;
 151
 152     @Override
 153     protected void onCreate(Bundle savedInstanceState) {
 154         Log_OC.d(TAG, "onCreate() start");
 155         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 156
 157         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 158
 159         // PIN CODE request ;  best location is to decide, let's try this first
 160         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 161             requestPinCode();
 162         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 163             requestPinCode();
 164         }
 165
 166         /// grant that FileObserverService is watching favourite files
 167         if (savedInstanceState == null) {
 168             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 169             startService(initObserversIntent);
 170         }
 171
 172         /// Load of saved instance state
 173         if(savedInstanceState != null) {
 174             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 175             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 176             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 177
 178         } else {
 179             mWaitingToPreview = null;
 180             mSyncInProgress = false;
 181             mWaitingToSend = null;
 182         }
 183
 184         /// USER INTERFACE
 185
 186         // Inflate and set the layout view
 187         setContentView(R.layout.files);
 188         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 189         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 190         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 191         if (savedInstanceState == null) {
 192             createMinFragments();
 193         }
 194
 195         // Action bar setup
 196         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 197         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 198         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 199
 200         setBackgroundText();
 201
 202         Log_OC.d(TAG, "onCreate() end");
 203     }
 204
 205     @Override
 206     protected void onStart() {
 207         super.onStart();
 208         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 209     }
 210
 211     @Override
 212     protected void onDestroy() {
 213         Log_OC.d(TAG, "onDestroy() FileDisplyActivty");
 214 //        Log_OC.stopLogging();
 215         super.onDestroy();
 216     }
 217
 218     /**
 219      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 220      */
 221     @Override
 222     protected void onAccountSet(boolean stateWasRecovered) {
 223         super.onAccountSet(stateWasRecovered);
 224         if (getAccount() != null) {
 225             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 226             OCFile file = getFile();
 227             // get parent from path
 228             String parentPath = "";
 229             if (file != null) {
 230                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 231                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 232                     // get parent from path
 233                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 234                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 235                         file = null; // not able to know the directory where the file is uploading
 236                 } else {
 237                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 238                 }
 239             }
 240             if (file == null) {
 241                 // fall back to root folder
 242                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 243             }
 244             setFile(file);
 245             setNavigationListWithFolder(file);
 246
 247             if (!stateWasRecovered) {
 248                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 249                 initFragmentsWithFile();
 250                 if (file.isFolder()) {
 251                     startSyncFolderOperation(file);
 252                 }
 253
 254             } else {
 255                 updateFragmentsVisibility(!file.isFolder());
 256                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 257             }
 258         }
 259     }
 260
 261
 262     private void setNavigationListWithFolder(OCFile file) {
 263         mDirectories.clear();
 264         OCFile fileIt = file;
 265         String parentPath;
 266         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 267             if (fileIt.isFolder()) {
 268                 mDirectories.add(fileIt.getFileName());
 269             }
 270             // get parent from path
 271             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 272             fileIt = getStorageManager().getFileByPath(parentPath);
 273         }
 274         mDirectories.add(OCFile.PATH_SEPARATOR);
 275     }
 276
 277
 278     private void createMinFragments() {
 279         OCFileListFragment listOfFiles = new OCFileListFragment();
 280         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 281         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 282         transaction.commit();
 283     }
 284
 285     private void initFragmentsWithFile() {
 286         if (getAccount() != null && getFile() != null) {
 287             /// First fragment
 288             OCFileListFragment listOfFiles = getListOfFilesFragment();
 289             if (listOfFiles != null) {
 290                 listOfFiles.listDirectory(getCurrentDir());
 291             } else {
 292                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 293             }
 294
 295             /// Second fragment
 296             OCFile file = getFile();
 297             Fragment secondFragment = chooseInitialSecondFragment(file);
 298             if (secondFragment != null) {
 299                 setSecondFragment(secondFragment);
 300                 updateFragmentsVisibility(true);
 301                 updateNavigationElementsInActionBar(file);
 302
 303             } else {
 304                 cleanSecondFragment();
 305             }
 306
 307         } else {
 308             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 309             if (getAccount() == null) {
 310                 Log.wtf(TAG, "\t account is NULL");
 311             }
 312             if (getFile() == null) {
 313                 Log.wtf(TAG, "\t file is NULL");
 314             }
 315         }
 316     }
 317
 318     private Fragment chooseInitialSecondFragment(OCFile file) {
 319         Fragment secondFragment = null;
 320         if (file != null && !file.isFolder()) {
 321             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 322                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 323                     ) {
 324                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 325                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 326                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 327
 328             } else {
 329                 secondFragment = new FileDetailFragment(file, getAccount());
 330             }
 331         }
 332         return secondFragment;
 333     }
 334
 335
 336     /**
 337      * Replaces the second fragment managed by the activity with the received as
 338      * a parameter.
 339      *
 340      * Assumes never will be more than two fragments managed at the same time.
 341      *
 342      * @param fragment      New second Fragment to set.
 343      */
 344     private void setSecondFragment(Fragment fragment) {
 345         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 346         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 347         transaction.commit();
 348     }
 349
 350
 351     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 352         if (mDualPane) {
 353             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 354                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 355             }
 356             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 357                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 358             }
 359
 360         } else if (existsSecondFragment) {
 361             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 362                 mLeftFragmentContainer.setVisibility(View.GONE);
 363             }
 364             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 365                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 366             }
 367
 368         } else {
 369             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 370                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 371             }
 372             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 373                 mRightFragmentContainer.setVisibility(View.GONE);
 374             }
 375         }
 376     }
 377
 378
 379     private OCFileListFragment getListOfFilesFragment() {
 380         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 381         if (listOfFiles != null) {
 382             return (OCFileListFragment)listOfFiles;
 383         }
 384         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 385         return null;
 386     }
 387
 388     public FileFragment getSecondFragment() {
 389         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 390         if (second != null) {
 391             return (FileFragment)second;
 392         }
 393         return null;
 394     }
 395
 396     protected void cleanSecondFragment() {
 397         Fragment second = getSecondFragment();
 398         if (second != null) {
 399             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 400             tr.remove(second);
 401             tr.commit();
 402         }
 403         updateFragmentsVisibility(false);
 404         updateNavigationElementsInActionBar(null);
 405     }
 406
 407     protected void refreshListOfFilesFragment() {
 408         OCFileListFragment fileListFragment = getListOfFilesFragment();
 409         if (fileListFragment != null) {
 410             fileListFragment.listDirectory();
 411         }
 412     }
 413
 414     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 415         FileFragment secondFragment = getSecondFragment();
 416         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 417         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 418             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 419             OCFile fileInFragment = detailsFragment.getFile();
 420             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 421                 // the user browsed to other file ; forget the automatic preview
 422                 mWaitingToPreview = null;
 423
 424             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 425                 // grant that the right panel updates the progress bar
 426                 detailsFragment.listenForTransferProgress();
 427                 detailsFragment.updateFileDetails(true, false);
 428
 429             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 430                 //  update the right panel
 431                 boolean detailsFragmentChanged = false;
 432                 if (waitedPreview) {
 433                     if (success) {
 434                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 435                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 436                             startMediaPreview(mWaitingToPreview, 0, true);
 437                             detailsFragmentChanged = true;
 438                         } else {
 439                             getFileOperationsHelper().openFile(mWaitingToPreview);
 440                         }
 441                     }
 442                     mWaitingToPreview = null;
 443                 }
 444                 if (!detailsFragmentChanged) {
 445                     detailsFragment.updateFileDetails(false, (success));
 446                 }
 447             }
 448         }
 449     }
 450
 451     @Override
 452     public boolean onPrepareOptionsMenu(Menu menu) {
 453         if (BuildConfig.DEBUG) {
 454             menu.findItem(R.id.action_logger).setVisible(true);
 455         } else {
 456             menu.findItem(R.id.action_logger).setVisible(false);
 457         }
 458         return super.onPrepareOptionsMenu(menu);
 459     }
 460
 461     @Override
 462     public boolean onCreateOptionsMenu(Menu menu) {
 463         MenuInflater inflater = getSherlock().getMenuInflater();
 464         inflater.inflate(R.menu.main_menu, menu);
 465         return true;
 466     }
 467
 468     @Override
 469     public boolean onOptionsItemSelected(MenuItem item) {
 470         boolean retval = true;
 471         switch (item.getItemId()) {
 472         case R.id.action_create_dir: {
 473             CreateFolderDialogFragment dialog =
 474                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 475             dialog.show(getSupportFragmentManager(), "createdirdialog");
 476             break;
 477         }
 478         case R.id.action_sync_account: {
 479             startSynchronization();
 480             break;
 481         }
 482         case R.id.action_upload: {
 483             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 484             break;
 485         }
 486         case R.id.action_settings: {
 487             Intent settingsIntent = new Intent(this, Preferences.class);
 488             startActivity(settingsIntent);
 489             break;
 490         }
 491         case R.id.action_logger: {
 492             Intent loggerIntent = new Intent(getApplicationContext(),LogHistoryActivity.class);
 493             startActivity(loggerIntent);
 494             break;
 495         }
 496         case android.R.id.home: {
 497             FileFragment second = getSecondFragment();
 498             OCFile currentDir = getCurrentDir();
 499             if((currentDir != null && currentDir.getParentId() != 0) ||
 500                     (second != null && second.getFile() != null)) {
 501                 onBackPressed();
 502
 503             }
 504             break;
 505         }
 506         default:
 507             retval = super.onOptionsItemSelected(item);
 508         }
 509         return retval;
 510     }
 511
 512     private void startSynchronization() {
 513         Log_OC.e(TAG, "Got to start sync");
 514         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 515             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 516             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 517             Bundle bundle = new Bundle();
 518             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 519             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 520             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 521             ContentResolver.requestSync(
 522                     getAccount(),
 523                     MainApp.getAuthority(), bundle);
 524         } else {
 525             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 526             SyncRequest.Builder builder = new SyncRequest.Builder();
 527             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 528             builder.setExpedited(true);
 529             builder.setManual(true);
 530             builder.syncOnce();
 531             SyncRequest request = builder.build();
 532             ContentResolver.requestSync(request);
 533         }
 534     }
 535
 536
 537     @Override
 538     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 539         if (itemPosition != 0) {
 540             String targetPath = "";
 541             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 542                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 543             }
 544             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 545             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 546             if (targetFolder != null) {
 547                 browseTo(targetFolder);
 548             }
 549
 550             // the next operation triggers a new call to this method, but it's necessary to
 551             // ensure that the name exposed in the action bar is the current directory when the
 552             // user selected it in the navigation list
 553             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 554                 getSupportActionBar().setSelectedNavigationItem(0);
 555         }
 556         return true;
 557     }
 558
 559     /**
 560      * Called, when the user selected something for uploading
 561      */
 562     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 563         super.onActivityResult(requestCode, resultCode, data);
 564
 565         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 566             requestSimpleUpload(data, resultCode);
 567
 568         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 569             requestMultipleUpload(data, resultCode);
 570
 571         }
 572     }
 573
 574     private void requestMultipleUpload(Intent data, int resultCode) {
 575         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 576         if (filePaths != null) {
 577             String[] remotePaths = new String[filePaths.length];
 578             String remotePathBase = "";
 579             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 580                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 581             }
 582             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 583                 remotePathBase += OCFile.PATH_SEPARATOR;
 584             for (int j = 0; j< remotePaths.length; j++) {
 585                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 586             }
 587
 588             Intent i = new Intent(this, FileUploader.class);
 589             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 590             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 591             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 592             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 593             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 594                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 595             startService(i);
 596
 597         } else {
 598             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 599             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 600             t.show();
 601             return;
 602         }
 603     }
 604
 605
 606     private void requestSimpleUpload(Intent data, int resultCode) {
 607         String filepath = null;
 608         try {
 609             Uri selectedImageUri = data.getData();
 610
 611             String filemanagerstring = selectedImageUri.getPath();
 612             String selectedImagePath = getPath(selectedImageUri);
 613
 614             if (selectedImagePath != null)
 615                 filepath = selectedImagePath;
 616             else
 617                 filepath = filemanagerstring;
 618
 619         } catch (Exception e) {
 620             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 621             e.printStackTrace();
 622
 623         } finally {
 624             if (filepath == null) {
 625                 Log_OC.e(TAG, "Couldnt resolve path to file");
 626                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 627                 t.show();
 628                 return;
 629             }
 630         }
 631
 632         Intent i = new Intent(this, FileUploader.class);
 633         i.putExtra(FileUploader.KEY_ACCOUNT,
 634                 getAccount());
 635         String remotepath = new String();
 636         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 637             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 638         }
 639         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 640             remotepath += OCFile.PATH_SEPARATOR;
 641         remotepath += new File(filepath).getName();
 642
 643         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 644         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 645         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 646         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 647             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 648         startService(i);
 649     }
 650
 651     @Override
 652     public void onBackPressed() {
 653         OCFileListFragment listOfFiles = getListOfFilesFragment();
 654         if (mDualPane || getSecondFragment() == null) {
 655             if (listOfFiles != null) {  // should never be null, indeed
 656                 if (mDirectories.getCount() <= 1) {
 657                     finish();
 658                     return;
 659                 }
 660                 int levelsUp = listOfFiles.onBrowseUp();
 661                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 662                     popDirname();
 663                 }
 664             }
 665         }
 666         if (listOfFiles != null) {  // should never be null, indeed
 667             setFile(listOfFiles.getCurrentFile());
 668         }
 669         cleanSecondFragment();
 670
 671     }
 672
 673     @Override
 674     protected void onSaveInstanceState(Bundle outState) {
 675         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 676         Log_OC.e(TAG, "onSaveInstanceState() start");
 677         super.onSaveInstanceState(outState);
 678         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 679         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 680         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 681         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 682
 683         Log_OC.d(TAG, "onSaveInstanceState() end");
 684     }
 685
 686
 687
 688     @Override
 689     protected void onResume() {
 690         super.onResume();
 691         Log_OC.e(TAG, "onResume() start");
 692
 693         // refresh list of files
 694         refreshListOfFilesFragment();
 695
 696         // Listen for sync messages
 697         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 698         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 699         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 700         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 701         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 702         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 703         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 704         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 705
 706         // Listen for upload messages
 707         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 708         mUploadFinishReceiver = new UploadFinishReceiver();
 709         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 710
 711         // Listen for download messages
 712         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 713         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 714         mDownloadFinishReceiver = new DownloadFinishReceiver();
 715         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 716
 717         Log_OC.d(TAG, "onResume() end");
 718     }
 719
 720
 721     @Override
 722     protected void onPause() {
 723         Log_OC.e(TAG, "onPause() start");
 724         if (mSyncBroadcastReceiver != null) {
 725             unregisterReceiver(mSyncBroadcastReceiver);
 726             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 727             mSyncBroadcastReceiver = null;
 728         }
 729         if (mUploadFinishReceiver != null) {
 730             unregisterReceiver(mUploadFinishReceiver);
 731             mUploadFinishReceiver = null;
 732         }
 733         if (mDownloadFinishReceiver != null) {
 734             unregisterReceiver(mDownloadFinishReceiver);
 735             mDownloadFinishReceiver = null;
 736         }
 737
 738
 739         Log_OC.d(TAG, "onPause() end");
 740         super.onPause();
 741     }
 742
 743
 744     @Override
 745     protected Dialog onCreateDialog(int id) {
 746         Dialog dialog = null;
 747         AlertDialog.Builder builder;
 748         switch (id) {
 749         case DIALOG_SHORT_WAIT: {
 750             ProgressDialog working_dialog = new ProgressDialog(this);
 751             working_dialog.setMessage(getResources().getString(
 752                     R.string.wait_a_moment));
 753             working_dialog.setIndeterminate(true);
 754             working_dialog.setCancelable(false);
 755             dialog = working_dialog;
 756             break;
 757         }
 758         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 759
 760
 761             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 762                     getString(R.string.actionbar_upload_from_apps) };
 763
 764             builder = new AlertDialog.Builder(this);
 765             builder.setTitle(R.string.actionbar_upload);
 766             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 767                 public void onClick(DialogInterface dialog, int item) {
 768                     if (item == 0) {
 769                         // if (!mDualPane) {
 770                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 771                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 772                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 773                             // } else {
 774                             // TODO create and handle new fragment
 775                             // LocalFileListFragment
 776                             // }
 777                     } else if (item == 1) {
 778                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 779                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 780                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 781                                 ACTION_SELECT_CONTENT_FROM_APPS);
 782                     }
 783                 }
 784             });
 785             dialog = builder.create();
 786             break;
 787         }
 788         case DIALOG_CERT_NOT_SAVED: {
 789             builder = new AlertDialog.Builder(this);
 790             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 791             builder.setCancelable(false);
 792             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 793                 @Override
 794                 public void onClick(DialogInterface dialog, int which) {
 795                     dialog.dismiss();
 796                 };
 797             });
 798             dialog = builder.create();
 799             break;
 800         }
 801         default:
 802             dialog = null;
 803         }
 804
 805         return dialog;
 806     }
 807
 808
 809     /**
 810      * Translates a content URI of an image to a physical path
 811      * on the disk
 812      * @param uri The URI to resolve
 813      * @return The path to the image or null if it could not be found
 814      */
 815     public String getPath(Uri uri) {
 816         String[] projection = { MediaStore.Images.Media.DATA };
 817         Cursor cursor = managedQuery(uri, projection, null, null, null);
 818         if (cursor != null) {
 819             int column_index = cursor
 820                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 821             cursor.moveToFirst();
 822             return cursor.getString(column_index);
 823         }
 824         return null;
 825     }
 826
 827     /**
 828      * Pushes a directory to the drop down list
 829      * @param directory to push
 830      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 831      */
 832     public void pushDirname(OCFile directory) {
 833         if(!directory.isFolder()){
 834             throw new IllegalArgumentException("Only directories may be pushed!");
 835         }
 836         mDirectories.insert(directory.getFileName(), 0);
 837         setFile(directory);
 838     }
 839
 840     /**
 841      * Pops a directory name from the drop down list
 842      * @return True, unless the stack is empty
 843      */
 844     public boolean popDirname() {
 845         mDirectories.remove(mDirectories.getItem(0));
 846         return !mDirectories.isEmpty();
 847     }
 848
 849     // Custom array adapter to override text colors
 850     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 851
 852         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 853             super(ctx, view);
 854         }
 855
 856         public View getView(int position, View convertView, ViewGroup parent) {
 857             View v = super.getView(position, convertView, parent);
 858
 859             ((TextView) v).setTextColor(getResources().getColorStateList(
 860                     android.R.color.white));
 861
 862             fixRoot((TextView) v );
 863             return v;
 864         }
 865
 866         public View getDropDownView(int position, View convertView,
 867                 ViewGroup parent) {
 868             View v = super.getDropDownView(position, convertView, parent);
 869
 870             ((TextView) v).setTextColor(getResources().getColorStateList(
 871                     android.R.color.white));
 872
 873             fixRoot((TextView) v );
 874             return v;
 875         }
 876
 877         private void fixRoot(TextView v) {
 878             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 879                 v.setText(R.string.default_display_name_for_root_folder);
 880             }
 881         }
 882
 883     }
 884
 885     private class SyncBroadcastReceiver extends BroadcastReceiver {
 886
 887         /**
 888          * {@link BroadcastReceiver} to enable syncing feedback in UI
 889          */
 890         @Override
 891         public void onReceive(Context context, Intent intent) {
 892             try {
 893                 String event = intent.getAction();
 894                 Log_OC.d(TAG, "Received broadcast " + event);
 895                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 896                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 897                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 898                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 899
 900                 if (sameAccount) {
 901
 902                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 903                         mSyncInProgress = true;
 904
 905                     } else {
 906                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 907                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 908
 909                         if (currentDir == null) {
 910                             // current folder was removed from the server
 911                             Toast.makeText( FileDisplayActivity.this,
 912                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 913                                             Toast.LENGTH_LONG)
 914                                 .show();
 915                             browseToRoot();
 916
 917                         } else {
 918                             if (currentFile == null && !getFile().isFolder()) {
 919                                 // currently selected file was removed in the server, and now we know it
 920                                 cleanSecondFragment();
 921                                 currentFile = currentDir;
 922                             }
 923
 924                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 925                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 926                                 if (fileListFragment != null) {
 927                                     fileListFragment.listDirectory(currentDir);
 928                                 }
 929                             }
 930                             setFile(currentFile);
 931                         }
 932
 933                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 934
 935                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 936                                     equals(event) &&
 937                                 /// TODO refactor and make common
 938                                 synchResult != null && !synchResult.isSuccess() &&
 939                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 940                                     synchResult.isIdPRedirection()                  ||
 941                                     (synchResult.isException() && synchResult.getException()
 942                                             instanceof AuthenticatorException))) {
 943
 944                             OwnCloudClient client = null;
 945                             try {
 946                                 OwnCloudAccount ocAccount =
 947                                         new OwnCloudAccount(getAccount(), context);
 948                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 949                                         removeClientFor(ocAccount));
 950                                 // TODO get rid of these exceptions
 951                             } catch (AccountNotFoundException e) {
 952                                 e.printStackTrace();
 953                             } catch (AuthenticatorException e) {
 954                                 e.printStackTrace();
 955                             } catch (OperationCanceledException e) {
 956                                 e.printStackTrace();
 957                             } catch (IOException e) {
 958                                 e.printStackTrace();
 959                             }
 960
 961                             if (client != null) {
 962                                 OwnCloudCredentials cred = client.getCredentials();
 963                                 if (cred != null) {
 964                                     AccountManager am = AccountManager.get(context);
 965                                     if (cred.authTokenExpires()) {
 966                                         am.invalidateAuthToken(
 967                                                 getAccount().type,
 968                                                 cred.getAuthToken()
 969                                         );
 970                                     } else {
 971                                         am.clearPassword(getAccount());
 972                                     }
 973                                 }
 974                             }
 975
 976                             requestCredentialsUpdate();
 977
 978                         }
 979                     }
 980                     removeStickyBroadcast(intent);
 981                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 982                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 983
 984                     setBackgroundText();
 985
 986                 }
 987
 988                 if (synchResult != null) {
 989                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 990                         mLastSslUntrustedServerResult = synchResult;
 991                     }
 992                 }
 993             } catch (RuntimeException e) {
 994                 // avoid app crashes after changing the serial id of RemoteOperationResult
 995                 // in owncloud library with broadcast notifications pending to process
 996                 removeStickyBroadcast(intent);
 997             }
 998         }
 999     }
1000
1001     /**
1002      * Show a text message on screen view for notifying user if content is
1003      * loading or folder is empty
1004      */
1005     private void setBackgroundText() {
1006         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
1007         if (ocFileListFragment != null) {
1008             int message = R.string.file_list_loading;
1009             if (!mSyncInProgress) {
1010                 // In case file list is empty
1011                 message = R.string.file_list_empty;
1012             }
1013             ocFileListFragment.setMessageForEmptyList(getString(message));
1014         } else {
1015             Log.e(TAG, "OCFileListFragment is null");
1016         }
1017     }
1018
1019     /**
1020      * Once the file upload has finished -> update view
1021      */
1022     private class UploadFinishReceiver extends BroadcastReceiver {
1023         /**
1024          * Once the file upload has finished -> update view
1025          *  @author David A. Velasco
1026          * {@link BroadcastReceiver} to enable upload feedback in UI
1027          */
1028         @Override
1029         public void onReceive(Context context, Intent intent) {
1030             try {
1031                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1032                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1033                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1034                 OCFile currentDir = getCurrentDir();
1035                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1036                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1037
1038                 if (sameAccount && isDescendant) {
1039                     refreshListOfFilesFragment();
1040                 }
1041
1042                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1043                 boolean renamedInUpload = getFile().getRemotePath().
1044                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1045                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1046                         renamedInUpload;
1047                 FileFragment details = getSecondFragment();
1048                 boolean detailFragmentIsShown = (details != null &&
1049                         details instanceof FileDetailFragment);
1050
1051                 if (sameAccount && sameFile && detailFragmentIsShown) {
1052                     if (uploadWasFine) {
1053                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1054                     }
1055                     if (renamedInUpload) {
1056                         String newName = (new File(uploadedRemotePath)).getName();
1057                         Toast msg = Toast.makeText(
1058                                 context,
1059                                 String.format(
1060                                         getString(R.string.filedetails_renamed_in_upload_msg),
1061                                         newName),
1062                                 Toast.LENGTH_LONG);
1063                         msg.show();
1064                     }
1065                     if (uploadWasFine || getFile().fileExists()) {
1066                         ((FileDetailFragment)details).updateFileDetails(false, true);
1067                     } else {
1068                         cleanSecondFragment();
1069                     }
1070
1071                     // Force the preview if the file is an image
1072                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1073                         startImagePreview(getFile());
1074                     } // TODO what about other kind of previews?
1075                 }
1076
1077             } finally {
1078                 if (intent != null) {
1079                     removeStickyBroadcast(intent);
1080                 }
1081             }
1082
1083         }
1084
1085     }
1086
1087
1088     /**
1089      * Class waiting for broadcast events from the {@link FielDownloader} service.
1090      *
1091      * Updates the UI when a download is started or finished, provided that it is relevant for the
1092      * current folder.
1093      */
1094     private class DownloadFinishReceiver extends BroadcastReceiver {
1095         @Override
1096         public void onReceive(Context context, Intent intent) {
1097             try {
1098                 boolean sameAccount = isSameAccount(context, intent);
1099                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1100                 boolean isDescendant = isDescendant(downloadedRemotePath);
1101
1102                 if (sameAccount && isDescendant) {
1103                     refreshListOfFilesFragment();
1104                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1105                 }
1106
1107                 if (mWaitingToSend != null) {
1108                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1109                     if (mWaitingToSend.isDown()) {
1110                         sendDownloadedFile();
1111                     }
1112                 }
1113
1114             } finally {
1115                 if (intent != null) {
1116                     removeStickyBroadcast(intent);
1117                 }
1118             }
1119         }
1120
1121         private boolean isDescendant(String downloadedRemotePath) {
1122             OCFile currentDir = getCurrentDir();
1123             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1124         }
1125
1126         private boolean isSameAccount(Context context, Intent intent) {
1127             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1128             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1129         }
1130     }
1131
1132
1133     public void browseToRoot() {
1134         OCFileListFragment listOfFiles = getListOfFilesFragment();
1135         if (listOfFiles != null) {  // should never be null, indeed
1136             while (mDirectories.getCount() > 1) {
1137                 popDirname();
1138             }
1139             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1140             listOfFiles.listDirectory(root);
1141             setFile(listOfFiles.getCurrentFile());
1142             startSyncFolderOperation(root);
1143         }
1144         cleanSecondFragment();
1145     }
1146
1147
1148     public void browseTo(OCFile folder) {
1149         if (folder == null || !folder.isFolder()) {
1150             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1151         }
1152         OCFileListFragment listOfFiles = getListOfFilesFragment();
1153         if (listOfFiles != null) {
1154             setNavigationListWithFolder(folder);
1155             listOfFiles.listDirectory(folder);
1156             setFile(listOfFiles.getCurrentFile());
1157             startSyncFolderOperation(folder);
1158         } else {
1159             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1160         }
1161         cleanSecondFragment();
1162     }
1163
1164
1165     /**
1166      * {@inheritDoc}
1167      *
1168      * Updates action bar and second fragment, if in dual pane mode.
1169      */
1170     @Override
1171     public void onBrowsedDownTo(OCFile directory) {
1172         pushDirname(directory);
1173         cleanSecondFragment();
1174
1175         // Sync Folder
1176         startSyncFolderOperation(directory);
1177
1178     }
1179
1180     /**
1181      * Shows the information of the {@link OCFile} received as a
1182      * parameter in the second fragment.
1183      *
1184      * @param file          {@link OCFile} whose details will be shown
1185      */
1186     @Override
1187     public void showDetails(OCFile file) {
1188         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1189         setSecondFragment(detailFragment);
1190         updateFragmentsVisibility(true);
1191         updateNavigationElementsInActionBar(file);
1192         setFile(file);
1193     }
1194
1195
1196     /**
1197      * TODO
1198      */
1199     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1200         ActionBar actionBar = getSupportActionBar();
1201         if (chosenFile == null || mDualPane) {
1202             // only list of files - set for browsing through folders
1203             OCFile currentDir = getCurrentDir();
1204             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1205             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1206             actionBar.setDisplayShowTitleEnabled(!noRoot);
1207             if (!noRoot) {
1208                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1209             }
1210             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1211             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1212
1213         } else {
1214             actionBar.setDisplayHomeAsUpEnabled(true);
1215             actionBar.setDisplayShowTitleEnabled(true);
1216             actionBar.setTitle(chosenFile.getFileName());
1217             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1218         }
1219     }
1220
1221
1222     @Override
1223     protected ServiceConnection newTransferenceServiceConnection() {
1224         return new ListServiceConnection();
1225     }
1226
1227     /** Defines callbacks for service binding, passed to bindService() */
1228     private class ListServiceConnection implements ServiceConnection {
1229
1230         @Override
1231         public void onServiceConnected(ComponentName component, IBinder service) {
1232             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1233                 Log_OC.d(TAG, "Download service connected");
1234                 mDownloaderBinder = (FileDownloaderBinder) service;
1235                 if (mWaitingToPreview != null)
1236                     if (getStorageManager() != null) {
1237                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1238                         if (!mWaitingToPreview.isDown()) {
1239                             requestForDownload();
1240                         }
1241                 }
1242
1243             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1244                 Log_OC.d(TAG, "Upload service connected");
1245                 mUploaderBinder = (FileUploaderBinder) service;
1246             } else {
1247                 return;
1248             }
1249             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1250             OCFileListFragment listOfFiles = getListOfFilesFragment();
1251             if (listOfFiles != null) {
1252                 listOfFiles.listDirectory();
1253             }
1254             FileFragment secondFragment = getSecondFragment();
1255             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1256                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1257                 detailFragment.listenForTransferProgress();
1258                 detailFragment.updateFileDetails(false, false);
1259             }
1260         }
1261
1262         @Override
1263         public void onServiceDisconnected(ComponentName component) {
1264             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1265                 Log_OC.d(TAG, "Download service disconnected");
1266                 mDownloaderBinder = null;
1267             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1268                 Log_OC.d(TAG, "Upload service disconnected");
1269                 mUploaderBinder = null;
1270             }
1271         }
1272     };
1273
1274
1275
1276     /**
1277      * Launch an intent to request the PIN code to the user before letting him use the app
1278      */
1279     private void requestPinCode() {
1280         boolean pinStart = false;
1281         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1282         pinStart = appPrefs.getBoolean("set_pincode", false);
1283         if (pinStart) {
1284             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1285             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1286             startActivity(i);
1287         }
1288     }
1289
1290
1291     @Override
1292     public void onSavedCertificate() {
1293         startSyncFolderOperation(getCurrentDir());
1294     }
1295
1296
1297     @Override
1298     public void onFailedSavingCertificate() {
1299         showDialog(DIALOG_CERT_NOT_SAVED);
1300     }
1301
1302     @Override
1303     public void onCancelCertificate() {
1304         // nothing to do
1305     }
1306
1307     /**
1308      * Updates the view associated to the activity after the finish of some operation over files
1309      * in the current account.
1310      *
1311      * @param operation     Removal operation performed.
1312      * @param result        Result of the removal.
1313      */
1314     @Override
1315     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1316         super.onRemoteOperationFinish(operation, result);
1317
1318         if (operation instanceof RemoveFileOperation) {
1319             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1320
1321         } else if (operation instanceof RenameFileOperation) {
1322             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1323
1324         } else if (operation instanceof SynchronizeFileOperation) {
1325             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1326
1327         } else if (operation instanceof CreateFolderOperation) {
1328             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1329
1330         } else if (operation instanceof CreateShareOperation) {
1331             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1332
1333         } else if (operation instanceof UnshareLinkOperation) {
1334             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1335
1336         }
1337
1338     }
1339
1340
1341     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1342         if (result.isSuccess()) {
1343             refreshShowDetails();
1344             refreshListOfFilesFragment();
1345         }
1346     }
1347
1348
1349     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1350         if (result.isSuccess()) {
1351             refreshShowDetails();
1352             refreshListOfFilesFragment();
1353
1354         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1355             cleanSecondFragment();
1356             refreshListOfFilesFragment();
1357         }
1358     }
1359
1360     private void refreshShowDetails() {
1361         FileFragment details = getSecondFragment();
1362         if (details != null) {
1363             OCFile file = details.getFile();
1364             if (file != null) {
1365                 file = getStorageManager().getFileByPath(file.getRemotePath());
1366                 if (details instanceof PreviewMediaFragment) {
1367                     // Refresh  OCFile of the fragment
1368                     ((PreviewMediaFragment) details).updateFile(file);
1369                 } else {
1370                     showDetails(file);
1371                 }
1372             }
1373             invalidateOptionsMenu();
1374         }
1375     }
1376
1377     /**
1378      * Updates the view associated to the activity after the finish of an operation trying to remove a
1379      * file.
1380      *
1381      * @param operation     Removal operation performed.
1382      * @param result        Result of the removal.
1383      */
1384     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1385         dismissLoadingDialog();
1386
1387         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1388                 Toast.LENGTH_LONG);
1389         msg.show();
1390
1391         if (result.isSuccess()) {
1392             OCFile removedFile = operation.getFile();
1393             FileFragment second = getSecondFragment();
1394             if (second != null && removedFile.equals(second.getFile())) {
1395                 if (second instanceof PreviewMediaFragment) {
1396                     ((PreviewMediaFragment)second).stopPreview(true);
1397                 }
1398                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1399                 cleanSecondFragment();
1400             }
1401             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1402                 refreshListOfFilesFragment();
1403             }
1404             invalidateOptionsMenu();
1405         } else {
1406             if (result.isSslRecoverableException()) {
1407                 mLastSslUntrustedServerResult = result;
1408                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1409             }
1410         }
1411     }
1412
1413
1414     /**
1415      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1416      *
1417      * @param operation     Creation operation performed.
1418      * @param result        Result of the creation.
1419      */
1420     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1421         if (result.isSuccess()) {
1422             dismissLoadingDialog();
1423             refreshListOfFilesFragment();
1424         } else {
1425             dismissLoadingDialog();
1426             try {
1427                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1428                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1429                         Toast.LENGTH_LONG);
1430                 msg.show();
1431
1432             } catch (NotFoundException e) {
1433                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1434             }
1435         }
1436     }
1437
1438
1439     /**
1440      * Updates the view associated to the activity after the finish of an operation trying to rename a
1441      * file.
1442      *
1443      * @param operation     Renaming operation performed.
1444      * @param result        Result of the renaming.
1445      */
1446     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1447         dismissLoadingDialog();
1448         OCFile renamedFile = operation.getFile();
1449         if (result.isSuccess()) {
1450             FileFragment details = getSecondFragment();
1451             if (details != null) {
1452                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1453                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1454                     showDetails(renamedFile);
1455
1456                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1457                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1458                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1459                         int position = ((PreviewMediaFragment)details).getPosition();
1460                         startMediaPreview(renamedFile, position, true);
1461                     } else {
1462                         getFileOperationsHelper().openFile(renamedFile);
1463                     }
1464                 }
1465             }
1466
1467             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1468                 refreshListOfFilesFragment();
1469             }
1470
1471         } else {
1472             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1473                     Toast.LENGTH_LONG);
1474             msg.show();
1475
1476             if (result.isSslRecoverableException()) {
1477                 mLastSslUntrustedServerResult = result;
1478                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1479             }
1480         }
1481     }
1482
1483     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1484         dismissLoadingDialog();
1485         OCFile syncedFile = operation.getLocalFile();
1486         if (!result.isSuccess()) {
1487             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1488                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1489                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1490                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1491                 startActivity(i);
1492
1493             }
1494
1495         } else {
1496             if (operation.transferWasRequested()) {
1497                 onTransferStateChanged(syncedFile, true, true);
1498
1499             } else {
1500                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1501                         Toast.LENGTH_LONG);
1502                 msg.show();
1503             }
1504         }
1505     }
1506
1507
1508     /**
1509      * {@inheritDoc}
1510      */
1511     @Override
1512     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1513         refreshListOfFilesFragment();
1514         FileFragment details = getSecondFragment();
1515         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1516             if (downloading || uploading) {
1517                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1518             } else {
1519                 if (!file.fileExists()) {
1520                     cleanSecondFragment();
1521                 } else {
1522                     ((FileDetailFragment)details).updateFileDetails(false, true);
1523                 }
1524             }
1525         }
1526
1527     }
1528
1529
1530     private void requestForDownload() {
1531         Account account = getAccount();
1532         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1533             Intent i = new Intent(this, FileDownloader.class);
1534             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1535             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1536             startService(i);
1537         }
1538     }
1539
1540
1541     private OCFile getCurrentDir() {
1542         OCFile file = getFile();
1543         if (file != null) {
1544             if (file.isFolder()) {
1545                 return file;
1546             } else if (getStorageManager() != null) {
1547                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1548                 return getStorageManager().getFileByPath(parentPath);
1549             }
1550         }
1551         return null;
1552     }
1553
1554     public void startSyncFolderOperation(OCFile folder) {
1555         long currentSyncTime = System.currentTimeMillis();
1556
1557         mSyncInProgress = true;
1558
1559         // perform folder synchronization
1560         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1561                                                                         currentSyncTime,
1562                                                                         false,
1563                                                                         getFileOperationsHelper().isSharedSupported(),
1564                                                                         getStorageManager(),
1565                                                                         getAccount(),
1566                                                                         getApplicationContext()
1567                                                                       );
1568         synchFolderOp.execute(getAccount(), this, null, null);
1569
1570         setSupportProgressBarIndeterminateVisibility(true);
1571
1572         setBackgroundText();
1573     }
1574
1575     /**
1576      * Show untrusted cert dialog
1577      */
1578     public void showUntrustedCertDialog(RemoteOperationResult result) {
1579         // Show a dialog with the certificate info
1580         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1581         FragmentManager fm = getSupportFragmentManager();
1582         FragmentTransaction ft = fm.beginTransaction();
1583         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1584     }
1585
1586     private void requestForDownload(OCFile file) {
1587         Account account = getAccount();
1588         if (!mDownloaderBinder.isDownloading(account, file)) {
1589             Intent i = new Intent(this, FileDownloader.class);
1590             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1591             i.putExtra(FileDownloader.EXTRA_FILE, file);
1592             startService(i);
1593         }
1594     }
1595
1596     private void sendDownloadedFile(){
1597         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1598         mWaitingToSend = null;
1599     }
1600
1601
1602     /**
1603      * Requests the download of the received {@link OCFile} , updates the UI
1604      * to monitor the download progress and prepares the activity to send the file
1605      * when the download finishes.
1606      *
1607      * @param file          {@link OCFile} to download and preview.
1608      */
1609     public void startDownloadForSending(OCFile file) {
1610         mWaitingToSend = file;
1611         requestForDownload(mWaitingToSend);
1612         boolean hasSecondFragment = (getSecondFragment()!= null);
1613         updateFragmentsVisibility(hasSecondFragment);
1614     }
1615
1616     /**
1617      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1618      *
1619      * @param file                      Image {@link OCFile} to show.
1620      */
1621     public void startImagePreview(OCFile file) {
1622         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1623         showDetailsIntent.putExtra(EXTRA_FILE, file);
1624         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1625         startActivity(showDetailsIntent);
1626
1627     }
1628
1629     /**
1630      * Stars the preview of an already down media {@link OCFile}.
1631      *
1632      * @param file                      Media {@link OCFile} to preview.
1633      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1634      * @param autoplay                  When 'true', the playback will start without user interactions.
1635      */
1636     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1637         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1638         setSecondFragment(mediaFragment);
1639         updateFragmentsVisibility(true);
1640         updateNavigationElementsInActionBar(file);
1641         setFile(file);
1642     }
1643
1644     /**
1645      * Requests the download of the received {@link OCFile} , updates the UI
1646      * to monitor the download progress and prepares the activity to preview
1647      * or open the file when the download finishes.
1648      *
1649      * @param file          {@link OCFile} to download and preview.
1650      */
1651     public void startDownloadForPreview(OCFile file) {
1652         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1653         setSecondFragment(detailFragment);
1654         mWaitingToPreview = file;
1655         requestForDownload();
1656         updateFragmentsVisibility(true);
1657         updateNavigationElementsInActionBar(file);
1658         setFile(file);
1659     }
1660
1661
1662     public void cancelTransference(OCFile file) {
1663         getFileOperationsHelper().cancelTransference(file);
1664         if (mWaitingToPreview != null &&
1665                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1666             mWaitingToPreview = null;
1667         }
1668         if (mWaitingToSend != null &&
1669                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1670             mWaitingToSend = null;
1671         }
1672         onTransferStateChanged(file, false, false);
1673     }
1674
1675 }