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