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