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