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.RemoteOperationResult.ResultCode;
  77
  78 import com.owncloud.android.operations.RemoveFileOperation;
  79 import com.owncloud.android.operations.RenameFileOperation;
  80 import com.owncloud.android.operations.SynchronizeFileOperation;
  81 import com.owncloud.android.operations.SynchronizeFolderOperation;
  82 import com.owncloud.android.operations.UnshareLinkOperation;
  83 import com.owncloud.android.services.OperationsService;
  84 import com.owncloud.android.syncadapter.FileSyncAdapter;
  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 || mRefreshSharesInProgress);    // 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(FileSyncAdapter.EVENT_FULL_SYNC_START);
 695         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 696         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FOLDER_SIZE_SYNCED);
 697         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FOLDER_CONTENTS_SYNCED);
 698         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED);
 699         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 700         //registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 701         LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 702
 703         // Listen for upload messages
 704         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 705         mUploadFinishReceiver = new UploadFinishReceiver();
 706         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 707
 708         // Listen for download messages
 709         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 710         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 711         mDownloadFinishReceiver = new DownloadFinishReceiver();
 712         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 713
 714         // Listen for messages from the OperationsService
 715         IntentFilter operationsIntentFilter = new IntentFilter(OperationsService.ACTION_OPERATION_ADDED);
 716         operationsIntentFilter.addAction(OperationsService.ACTION_OPERATION_FINISHED);
 717         mOperationsServiceReceiver = new OperationsServiceReceiver();
 718         LocalBroadcastManager.getInstance(this).registerReceiver(mOperationsServiceReceiver, operationsIntentFilter);
 719
 720         Log_OC.d(TAG, "onResume() end");
 721     }
 722
 723
 724     @Override
 725     protected void onPause() {
 726         super.onPause();
 727         Log_OC.e(TAG, "onPause() start");
 728         if (mSyncBroadcastReceiver != null) {
 729             //unregisterReceiver(mSyncBroadcastReceiver);
 730             LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 731             mSyncBroadcastReceiver = null;
 732         }
 733         if (mUploadFinishReceiver != null) {
 734             unregisterReceiver(mUploadFinishReceiver);
 735             mUploadFinishReceiver = null;
 736         }
 737         if (mDownloadFinishReceiver != null) {
 738             unregisterReceiver(mDownloadFinishReceiver);
 739             mDownloadFinishReceiver = null;
 740         }
 741         if (mOperationsServiceReceiver != null) {
 742             LocalBroadcastManager.getInstance(this).unregisterReceiver(mOperationsServiceReceiver);
 743             mOperationsServiceReceiver = null;
 744         }
 745         Log_OC.d(TAG, "onPause() end");
 746     }
 747
 748
 749     @Override
 750     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 751         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 752             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 753         }
 754     }
 755
 756
 757     @Override
 758     protected Dialog onCreateDialog(int id) {
 759         Dialog dialog = null;
 760         AlertDialog.Builder builder;
 761         switch (id) {
 762         case DIALOG_SHORT_WAIT: {
 763             ProgressDialog working_dialog = new ProgressDialog(this);
 764             working_dialog.setMessage(getResources().getString(
 765                     R.string.wait_a_moment));
 766             working_dialog.setIndeterminate(true);
 767             working_dialog.setCancelable(false);
 768             dialog = working_dialog;
 769             break;
 770         }
 771         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 772
 773             String[] items = null;
 774
 775             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 776                     getString(R.string.actionbar_upload_from_apps),
 777                     getString(R.string.actionbar_failed_instant_upload) };
 778
 779             String[] commonItems = { getString(R.string.actionbar_upload_files),
 780                     getString(R.string.actionbar_upload_from_apps) };
 781
 782             if (InstantUploadActivity.IS_ENABLED)
 783                 items = allTheItems;
 784             else
 785                 items = commonItems;
 786
 787             builder = new AlertDialog.Builder(this);
 788             builder.setTitle(R.string.actionbar_upload);
 789             builder.setItems(items, new DialogInterface.OnClickListener() {
 790                 public void onClick(DialogInterface dialog, int item) {
 791                     if (item == 0) {
 792                         // if (!mDualPane) {
 793                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 794                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 795                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 796                             // } else {
 797                             // TODO create and handle new fragment
 798                             // LocalFileListFragment
 799                             // }
 800                     } else if (item == 1) {
 801                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 802                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 803                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 804                                 ACTION_SELECT_CONTENT_FROM_APPS);
 805                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 806                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 807                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 808                         startActivity(action);
 809                     }
 810                 }
 811             });
 812             dialog = builder.create();
 813             break;
 814         }
 815         case DIALOG_SSL_VALIDATOR: {
 816             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 817             break;
 818         }
 819         case DIALOG_CERT_NOT_SAVED: {
 820             builder = new AlertDialog.Builder(this);
 821             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 822             builder.setCancelable(false);
 823             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 824                 @Override
 825                 public void onClick(DialogInterface dialog, int which) {
 826                     dialog.dismiss();
 827                 };
 828             });
 829             dialog = builder.create();
 830             break;
 831         }
 832         default:
 833             dialog = null;
 834         }
 835
 836         return dialog;
 837     }
 838
 839
 840     /**
 841      * Show loading dialog
 842      */
 843     public void showLoadingDialog() {
 844         // Construct dialog
 845         LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
 846         FragmentManager fm = getSupportFragmentManager();
 847         FragmentTransaction ft = fm.beginTransaction();
 848         loading.show(ft, DIALOG_WAIT_TAG);
 849
 850     }
 851
 852     /**
 853      * Dismiss loading dialog
 854      */
 855     public void dismissLoadingDialog(){
 856         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 857       if (frag != null) {
 858           LoadingDialog loading = (LoadingDialog) frag;
 859             loading.dismiss();
 860         }
 861     }
 862
 863
 864     /**
 865      * Translates a content URI of an image to a physical path
 866      * on the disk
 867      * @param uri The URI to resolve
 868      * @return The path to the image or null if it could not be found
 869      */
 870     public String getPath(Uri uri) {
 871         String[] projection = { MediaStore.Images.Media.DATA };
 872         Cursor cursor = managedQuery(uri, projection, null, null, null);
 873         if (cursor != null) {
 874             int column_index = cursor
 875                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 876             cursor.moveToFirst();
 877             return cursor.getString(column_index);
 878         }
 879         return null;
 880     }
 881
 882     /**
 883      * Pushes a directory to the drop down list
 884      * @param directory to push
 885      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 886      */
 887     public void pushDirname(OCFile directory) {
 888         if(!directory.isFolder()){
 889             throw new IllegalArgumentException("Only directories may be pushed!");
 890         }
 891         mDirectories.insert(directory.getFileName(), 0);
 892         setFile(directory);
 893     }
 894
 895     /**
 896      * Pops a directory name from the drop down list
 897      * @return True, unless the stack is empty
 898      */
 899     public boolean popDirname() {
 900         mDirectories.remove(mDirectories.getItem(0));
 901         return !mDirectories.isEmpty();
 902     }
 903
 904     // Custom array adapter to override text colors
 905     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 906
 907         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 908             super(ctx, view);
 909         }
 910
 911         public View getView(int position, View convertView, ViewGroup parent) {
 912             View v = super.getView(position, convertView, parent);
 913
 914             ((TextView) v).setTextColor(getResources().getColorStateList(
 915                     android.R.color.white));
 916             return v;
 917         }
 918
 919         public View getDropDownView(int position, View convertView,
 920                 ViewGroup parent) {
 921             View v = super.getDropDownView(position, convertView, parent);
 922
 923             ((TextView) v).setTextColor(getResources().getColorStateList(
 924                     android.R.color.white));
 925
 926             return v;
 927         }
 928
 929     }
 930
 931     private class SyncBroadcastReceiver extends BroadcastReceiver {
 932
 933         /**
 934          * {@link BroadcastReceiver} to enable syncing feedback in UI
 935          */
 936         @Override
 937         public void onReceive(Context context, Intent intent) {
 938             String event = intent.getAction();
 939             String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 940             String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 941             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 942             boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && mStorageManager != null);
 943
 944             if (sameAccount) {
 945
 946                 if (!FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 947
 948                     OCFile currentFile = (getFile() == null) ? null : mStorageManager.getFileByPath(getFile().getRemotePath());
 949                     OCFile currentDir = (getCurrentDir() == null) ? null : mStorageManager.getFileByPath(getCurrentDir().getRemotePath());
 950
 951                     if (currentDir == null) {
 952                         // current folder was removed from the server
 953                         Toast.makeText( FileDisplayActivity.this,
 954                                         String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 955                                         Toast.LENGTH_LONG)
 956                             .show();
 957                         browseToRoot();
 958
 959                     } else {
 960                         if (currentFile == null && !getFile().isFolder()) {
 961                             // currently selected file was removed in the server, and now we know it
 962                             cleanSecondFragment();
 963                             currentFile = currentDir;
 964                         }
 965
 966                         if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 967                             OCFileListFragment fileListFragment = getListOfFilesFragment();
 968                             if (fileListFragment != null) {
 969                                 fileListFragment.listDirectory(currentDir);
 970                             }
 971                         }
 972                         setFile(currentFile);
 973                     }
 974
 975                     mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED.equals(event));
 976
 977                     if (synchResult != null &&
 978                         synchResult.isSuccess() &&
 979                             (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED.equals(event) ||
 980                                 FileSyncAdapter.EVENT_FOLDER_CONTENTS_SYNCED.equals(event)
 981                             )
 982                         ) {
 983                         startGetShares();
 984                     }
 985
 986                 }
 987                 //removeStickyBroadcast(intent);
 988                 setSupportProgressBarIndeterminateVisibility(mSyncInProgress || mRefreshSharesInProgress);
 989             }
 990
 991             if (synchResult != null) {
 992                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 993                     mLastSslUntrustedServerResult = synchResult;
 994                     showDialog(DIALOG_SSL_VALIDATOR);
 995                 }
 996             }
 997         }
 998     }
 999
1000
1001     private class UploadFinishReceiver extends BroadcastReceiver {
1002         /**
1003          * Once the file upload has finished -> update view
1004          *  @author David A. Velasco
1005          * {@link BroadcastReceiver} to enable upload feedback in UI
1006          */
1007         @Override
1008         public void onReceive(Context context, Intent intent) {
1009             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1010             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1011             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1012             OCFile currentDir = getCurrentDir();
1013             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) && (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1014             if (sameAccount && isDescendant) {
1015                 refeshListOfFilesFragment();
1016             }
1017         }
1018
1019     }
1020
1021
1022     /**
1023      * Class waiting for broadcast events from the {@link FielDownloader} service.
1024      *
1025      * Updates the UI when a download is started or finished, provided that it is relevant for the
1026      * current folder.
1027      */
1028     private class DownloadFinishReceiver extends BroadcastReceiver {
1029         @Override
1030         public void onReceive(Context context, Intent intent) {
1031             boolean sameAccount = isSameAccount(context, intent);
1032             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1033             boolean isDescendant = isDescendant(downloadedRemotePath);
1034
1035             if (sameAccount && isDescendant) {
1036                 refeshListOfFilesFragment();
1037                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1038             }
1039
1040             removeStickyBroadcast(intent);
1041         }
1042
1043         private boolean isDescendant(String downloadedRemotePath) {
1044             OCFile currentDir = getCurrentDir();
1045             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1046         }
1047
1048         private boolean isSameAccount(Context context, Intent intent) {
1049             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1050             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1051         }
1052     }
1053
1054
1055     /**
1056      * Class waiting for broadcast events from the {@link OperationsService}.
1057      *
1058      * Updates the list of files when a get for shares is finished; at this moment the refresh of shares is the only
1059      * operation performed in {@link OperationsService}.
1060      *
1061      * In the future will handle the progress or finalization of all the operations performed in {@link OperationsService},
1062      * probably all the operations associated to the app model.
1063      */
1064     private class OperationsServiceReceiver extends BroadcastReceiver {
1065
1066         @Override
1067         public void onReceive(Context context, Intent intent) {
1068             if (OperationsService.ACTION_OPERATION_ADDED.equals(intent.getAction())) {
1069
1070             } else if (OperationsService.ACTION_OPERATION_FINISHED.equals(intent.getAction())) {
1071                 mRefreshSharesInProgress = false;
1072
1073                 Account account = intent.getParcelableExtra(OperationsService.EXTRA_ACCOUNT);
1074                 RemoteOperationResult getSharesResult = (RemoteOperationResult)intent.getSerializableExtra(OperationsService.EXTRA_RESULT);
1075                 if (getAccount() != null && account.name.equals(getAccount().name)
1076                         && mStorageManager != null
1077                         ) {
1078                     refeshListOfFilesFragment();
1079                 }
1080                 if ((getSharesResult != null) &&
1081                         RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED.equals(getSharesResult.getCode())) {
1082                     mLastSslUntrustedServerResult = getSharesResult;
1083                     showDialog(DIALOG_SSL_VALIDATOR);
1084                 }
1085
1086                 setSupportProgressBarIndeterminateVisibility(mRefreshSharesInProgress || mSyncInProgress);
1087             }
1088
1089         }
1090
1091     }
1092
1093
1094     /**
1095      * {@inheritDoc}
1096      */
1097     @Override
1098     public FileDataStorageManager getStorageManager() {
1099         return mStorageManager;
1100     }
1101
1102
1103     public void browseToRoot() {
1104         OCFileListFragment listOfFiles = getListOfFilesFragment();
1105         if (listOfFiles != null) {  // should never be null, indeed
1106             while (mDirectories.getCount() > 1) {
1107                 popDirname();
1108             }
1109             OCFile root = mStorageManager.getFileByPath(OCFile.ROOT_PATH);
1110             listOfFiles.listDirectory(root);
1111             setFile(listOfFiles.getCurrentFile());
1112             startSyncFolderOperation(root);
1113         }
1114         cleanSecondFragment();
1115     }
1116
1117
1118     public void browseTo(OCFile folder) {
1119         if (folder == null || !folder.isFolder()) {
1120             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1121         }
1122         OCFileListFragment listOfFiles = getListOfFilesFragment();
1123         if (listOfFiles != null) {
1124             setNavigationListWithFolder(folder);
1125             listOfFiles.listDirectory(folder);
1126             setFile(listOfFiles.getCurrentFile());
1127             startSyncFolderOperation(folder);
1128         } else {
1129             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1130         }
1131         cleanSecondFragment();
1132     }
1133
1134
1135     /**
1136      * {@inheritDoc}
1137      *
1138      * Updates action bar and second fragment, if in dual pane mode.
1139      */
1140     @Override
1141     public void onBrowsedDownTo(OCFile directory) {
1142         pushDirname(directory);
1143         cleanSecondFragment();
1144
1145         // Sync Folder
1146         startSyncFolderOperation(directory);
1147
1148     }
1149
1150     /**
1151      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1152      *
1153      * @param file                      Image {@link OCFile} to show.
1154      */
1155     @Override
1156     public void startImagePreview(OCFile file) {
1157         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1158         showDetailsIntent.putExtra(EXTRA_FILE, file);
1159         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1160         startActivity(showDetailsIntent);
1161     }
1162
1163     /**
1164      * Stars the preview of an already down media {@link OCFile}.
1165      *
1166      * @param file                      Media {@link OCFile} to preview.
1167      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1168      * @param autoplay                  When 'true', the playback will start without user interactions.
1169      */
1170     @Override
1171     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1172         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1173         setSecondFragment(mediaFragment);
1174         updateFragmentsVisibility(true);
1175         updateNavigationElementsInActionBar(file);
1176         setFile(file);
1177     }
1178
1179     /**
1180      * Requests the download of the received {@link OCFile} , updates the UI
1181      * to monitor the download progress and prepares the activity to preview
1182      * or open the file when the download finishes.
1183      *
1184      * @param file          {@link OCFile} to download and preview.
1185      */
1186     @Override
1187     public void startDownloadForPreview(OCFile file) {
1188         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1189         setSecondFragment(detailFragment);
1190         mWaitingToPreview = file;
1191         requestForDownload();
1192         updateFragmentsVisibility(true);
1193         updateNavigationElementsInActionBar(file);
1194         setFile(file);
1195     }
1196
1197
1198     /**
1199      * Shows the information of the {@link OCFile} received as a
1200      * parameter in the second fragment.
1201      *
1202      * @param file          {@link OCFile} whose details will be shown
1203      */
1204     @Override
1205     public void showDetails(OCFile file) {
1206         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1207         setSecondFragment(detailFragment);
1208         updateFragmentsVisibility(true);
1209         updateNavigationElementsInActionBar(file);
1210         setFile(file);
1211     }
1212
1213
1214     /**
1215      * TODO
1216      */
1217     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1218         ActionBar actionBar = getSupportActionBar();
1219         if (chosenFile == null || mDualPane) {
1220             // only list of files - set for browsing through folders
1221             OCFile currentDir = getCurrentDir();
1222             actionBar.setDisplayHomeAsUpEnabled(currentDir != null && currentDir.getParentId() != 0);
1223             actionBar.setDisplayShowTitleEnabled(false);
1224             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
1225             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1226
1227         } else {
1228             actionBar.setDisplayHomeAsUpEnabled(true);
1229             actionBar.setDisplayShowTitleEnabled(true);
1230             actionBar.setTitle(chosenFile.getFileName());
1231             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1232         }
1233     }
1234
1235
1236     /**
1237      * {@inheritDoc}
1238      */
1239     @Override
1240     public void onFileStateChanged() {
1241         refeshListOfFilesFragment();
1242         updateNavigationElementsInActionBar(getSecondFragment().getFile());
1243     }
1244
1245
1246     /**
1247      * {@inheritDoc}
1248      */
1249     @Override
1250     public FileDownloaderBinder getFileDownloaderBinder() {
1251         return mDownloaderBinder;
1252     }
1253
1254
1255     /**
1256      * {@inheritDoc}
1257      */
1258     @Override
1259     public FileUploaderBinder getFileUploaderBinder() {
1260         return mUploaderBinder;
1261     }
1262
1263
1264     /** Defines callbacks for service binding, passed to bindService() */
1265     private class ListServiceConnection implements ServiceConnection {
1266
1267         @Override
1268         public void onServiceConnected(ComponentName component, IBinder service) {
1269             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1270                 Log_OC.d(TAG, "Download service connected");
1271                 mDownloaderBinder = (FileDownloaderBinder) service;
1272                 if (mWaitingToPreview != null) {
1273                     requestForDownload();
1274                 }
1275
1276             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1277                 Log_OC.d(TAG, "Upload service connected");
1278                 mUploaderBinder = (FileUploaderBinder) service;
1279             } else {
1280                 return;
1281             }
1282             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1283             OCFileListFragment listOfFiles = getListOfFilesFragment();
1284             if (listOfFiles != null) {
1285                 listOfFiles.listDirectory();
1286             }
1287             FileFragment secondFragment = getSecondFragment();
1288             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1289                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1290                 detailFragment.listenForTransferProgress();
1291                 detailFragment.updateFileDetails(false, false);
1292             }
1293         }
1294
1295         @Override
1296         public void onServiceDisconnected(ComponentName component) {
1297             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1298                 Log_OC.d(TAG, "Download service disconnected");
1299                 mDownloaderBinder = null;
1300             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1301                 Log_OC.d(TAG, "Upload service disconnected");
1302                 mUploaderBinder = null;
1303             }
1304         }
1305     };
1306
1307
1308
1309     /**
1310      * Launch an intent to request the PIN code to the user before letting him use the app
1311      */
1312     private void requestPinCode() {
1313         boolean pinStart = false;
1314         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1315         pinStart = appPrefs.getBoolean("set_pincode", false);
1316         if (pinStart) {
1317             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1318             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1319             startActivity(i);
1320         }
1321     }
1322
1323
1324     @Override
1325     public void onSavedCertificate() {
1326         startSyncFolderOperation(getCurrentDir());
1327     }
1328
1329
1330     @Override
1331     public void onFailedSavingCertificate() {
1332         showDialog(DIALOG_CERT_NOT_SAVED);
1333     }
1334
1335
1336     /**
1337      * Updates the view associated to the activity after the finish of some operation over files
1338      * in the current account.
1339      *
1340      * @param operation     Removal operation performed.
1341      * @param result        Result of the removal.
1342      */
1343     @Override
1344     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1345         if (operation instanceof RemoveFileOperation) {
1346             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1347
1348         } else if (operation instanceof RenameFileOperation) {
1349             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1350
1351         } else if (operation instanceof SynchronizeFileOperation) {
1352             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1353
1354         } else if (operation instanceof CreateFolderOperation) {
1355             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1356
1357         } else if (operation instanceof UnshareLinkOperation) {
1358             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1359         }
1360     }
1361
1362
1363     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1364         if (result.getCode() == ResultCode.FILE_NOT_FOUND) {
1365             // Show a Message
1366             Toast t = Toast.makeText(this, getString(R.string.share_link_file_no_exist), Toast.LENGTH_LONG);
1367             t.show();
1368         }
1369
1370         refeshListOfFilesFragment();
1371
1372     }
1373
1374     /**
1375      * Updates the view associated to the activity after the finish of an operation trying to remove a
1376      * file.
1377      *
1378      * @param operation     Removal operation performed.
1379      * @param result        Result of the removal.
1380      */
1381     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1382         dismissLoadingDialog();
1383         if (result.isSuccess()) {
1384             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1385             msg.show();
1386             OCFile removedFile = operation.getFile();
1387             getSecondFragment();
1388             FileFragment second = getSecondFragment();
1389             if (second != null && removedFile.equals(second.getFile())) {
1390                 cleanSecondFragment();
1391             }
1392             if (mStorageManager.getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1393                 refeshListOfFilesFragment();
1394             }
1395
1396         } else {
1397             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1398             msg.show();
1399             if (result.isSslRecoverableException()) {
1400                 mLastSslUntrustedServerResult = result;
1401                 showDialog(DIALOG_SSL_VALIDATOR);
1402             }
1403         }
1404     }
1405
1406     /**
1407      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1408      *
1409      * @param operation     Creation operation performed.
1410      * @param result        Result of the creation.
1411      */
1412     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1413         if (result.isSuccess()) {
1414             dismissLoadingDialog();
1415             refeshListOfFilesFragment();
1416
1417         } else {
1418             dismissLoadingDialog();
1419             if (result.getCode() == ResultCode.INVALID_CHARACTER_IN_NAME) {
1420                 Toast.makeText(FileDisplayActivity.this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG).show();
1421             } else {
1422             try {
1423                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
1424                 msg.show();
1425
1426             } catch (NotFoundException e) {
1427                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1428             }
1429             }
1430         }
1431     }
1432
1433
1434     /**
1435      * Updates the view associated to the activity after the finish of an operation trying to rename a
1436      * file.
1437      *
1438      * @param operation     Renaming operation performed.
1439      * @param result        Result of the renaming.
1440      */
1441     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1442         dismissLoadingDialog();
1443         OCFile renamedFile = operation.getFile();
1444         if (result.isSuccess()) {
1445             if (mDualPane) {
1446                 FileFragment details = getSecondFragment();
1447                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1448                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1449                 }
1450             }
1451             if (mStorageManager.getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1452                 refeshListOfFilesFragment();
1453             }
1454
1455         } else {
1456             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1457                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1458                 msg.show();
1459                 // TODO throw again the new rename dialog
1460             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
1461                 Toast msg = Toast.makeText(this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
1462                 msg.show();
1463             } else {
1464                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1465                 msg.show();
1466                 if (result.isSslRecoverableException()) {
1467                     mLastSslUntrustedServerResult = result;
1468                     showDialog(DIALOG_SSL_VALIDATOR);
1469                 }
1470             }
1471         }
1472     }
1473
1474
1475     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1476         dismissLoadingDialog();
1477         OCFile syncedFile = operation.getLocalFile();
1478         if (!result.isSuccess()) {
1479             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1480                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1481                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1482                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1483                 startActivity(i);
1484
1485             }
1486
1487         } else {
1488             if (operation.transferWasRequested()) {
1489                 refeshListOfFilesFragment();
1490                 onTransferStateChanged(syncedFile, true, true);
1491
1492             } else {
1493                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1494                 msg.show();
1495             }
1496         }
1497     }
1498
1499
1500     /**
1501      * {@inheritDoc}
1502      */
1503     @Override
1504     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1505         if (mDualPane) {
1506             FileFragment details = getSecondFragment();
1507             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1508                 if (downloading || uploading) {
1509                     ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1510                 } else {
1511                     ((FileDetailFragment)details).updateFileDetails(false, true);
1512                 }
1513             }
1514         }
1515     }
1516
1517
1518     public void onDismiss(EditNameDialog dialog) {
1519         if (dialog.getResult()) {
1520             String newDirectoryName = dialog.getNewFilename().trim();
1521             Log_OC.d(TAG, "'create directory' dialog dismissed with new name " + newDirectoryName);
1522             if (newDirectoryName.length() > 0) {
1523                 String path = getCurrentDir().getRemotePath();
1524
1525                 // Create directory
1526                 path += newDirectoryName + OCFile.PATH_SEPARATOR;
1527                 RemoteOperation operation = new CreateFolderOperation(path, false, mStorageManager);
1528                 operation.execute(  getAccount(),
1529                         FileDisplayActivity.this,
1530                         FileDisplayActivity.this,
1531                         mHandler,
1532                         FileDisplayActivity.this);
1533
1534                 showLoadingDialog();
1535             }
1536         }
1537     }
1538
1539
1540     private void requestForDownload() {
1541         Account account = getAccount();
1542         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1543             Intent i = new Intent(this, FileDownloader.class);
1544             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1545             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1546             startService(i);
1547         }
1548     }
1549
1550
1551     private OCFile getCurrentDir() {
1552         OCFile file = getFile();
1553         if (file != null) {
1554             if (file.isFolder()) {
1555                 return file;
1556             } else if (mStorageManager != null) {
1557                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1558                 return mStorageManager.getFileByPath(parentPath);
1559             }
1560         }
1561         return null;
1562     }
1563
1564     public void startSyncFolderOperation(OCFile folder) {
1565         long currentSyncTime = System.currentTimeMillis();
1566
1567         mSyncInProgress = true;
1568
1569         // perform folder synchronization
1570         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1571                                                                         currentSyncTime,
1572                                                                         false,
1573                                                                         getStorageManager(),
1574                                                                         getAccount(),
1575                                                                         getApplicationContext()
1576                                                                       );
1577         synchFolderOp.execute(getAccount(), this, null, null, this);
1578
1579         setSupportProgressBarIndeterminateVisibility(true);
1580     }
1581
1582
1583     private void startGetShares() {
1584         // Get shared files/folders
1585         Intent intent = new Intent(this, OperationsService.class);
1586         intent.putExtra(OperationsService.EXTRA_ACCOUNT, getAccount());
1587         startService(intent);
1588
1589         mRefreshSharesInProgress = true;
1590     }
1591
1592
1593     public void unshareFileWithLink(OCFile file) {
1594
1595         if (isSharedSupported()) {
1596             // Unshare the file
1597             UnshareLinkOperation unshare = new UnshareLinkOperation(file);
1598             unshare.execute(getStorageManager(), this, this, mHandler, this);
1599
1600         } else {
1601             // Show a Message
1602             Toast t = Toast.makeText(this, getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
1603             t.show();
1604
1605         }
1606     }
1607
1608 }