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