src/com/owncloud/android/ui/activity/FileDisplayActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22
  23 import android.accounts.Account;
  24 import android.app.AlertDialog;
  25 import android.app.Dialog;
  26 import android.app.ProgressDialog;
  27 import android.content.BroadcastReceiver;
  28 import android.content.ComponentName;
  29 import android.content.ContentResolver;
  30 import android.content.Context;
  31 import android.content.DialogInterface;
  32 import android.content.Intent;
  33 import android.content.IntentFilter;
  34 import android.content.ServiceConnection;
  35 import android.content.SharedPreferences;
  36 import android.content.SyncRequest;
  37 import android.content.res.Resources.NotFoundException;
  38 import android.database.Cursor;
  39 import android.net.Uri;
  40 import android.os.Bundle;
  41 import android.os.Handler;
  42 import android.os.IBinder;
  43 import android.preference.PreferenceManager;
  44 import android.provider.MediaStore;
  45 import android.support.v4.app.Fragment;
  46 import android.support.v4.app.FragmentManager;
  47 import android.support.v4.app.FragmentTransaction;
  48 import android.support.v4.content.LocalBroadcastManager;
  49 import android.util.Log;
  50 import android.view.View;
  51 import android.view.ViewGroup;
  52 import android.widget.ArrayAdapter;
  53 import android.widget.TextView;
  54 import android.widget.Toast;
  55
  56 import com.actionbarsherlock.app.ActionBar;
  57 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  58 import com.actionbarsherlock.view.Menu;
  59 import com.actionbarsherlock.view.MenuInflater;
  60 import com.actionbarsherlock.view.MenuItem;
  61 import com.actionbarsherlock.view.Window;
  62 import com.owncloud.android.MainApp;
  63 import com.owncloud.android.R;
  64 import com.owncloud.android.datamodel.FileDataStorageManager;
  65 import com.owncloud.android.datamodel.OCFile;
  66 import com.owncloud.android.files.services.FileDownloader;
  67 import com.owncloud.android.files.services.FileObserverService;
  68 import com.owncloud.android.files.services.FileUploader;
  69 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  70 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  71 import com.owncloud.android.operations.CreateFolderOperation;
  72
  73 import com.owncloud.android.lib.operations.common.OnRemoteOperationListener;
  74 import com.owncloud.android.lib.operations.common.RemoteOperation;
  75 import com.owncloud.android.lib.operations.common.RemoteOperationResult;
  76 import com.owncloud.android.lib.operations.common.RemoteOperationResult.ResultCode;
  77
  78 import com.owncloud.android.operations.RemoveFileOperation;
  79 import com.owncloud.android.operations.RenameFileOperation;
  80 import com.owncloud.android.operations.SynchronizeFileOperation;
  81 import com.owncloud.android.operations.SynchronizeFolderOperation;
  82 import com.owncloud.android.services.OperationsService;
  83 import com.owncloud.android.syncadapter.FileSyncAdapter;
  84 import com.owncloud.android.ui.dialog.EditNameDialog;
  85 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  86 import com.owncloud.android.ui.dialog.LoadingDialog;
  87 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  88 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  89 import com.owncloud.android.ui.fragment.FileDetailFragment;
  90 import com.owncloud.android.ui.fragment.FileFragment;
  91 import com.owncloud.android.ui.fragment.OCFileListFragment;
  92 import com.owncloud.android.ui.preview.PreviewImageActivity;
  93 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  94 import com.owncloud.android.ui.preview.PreviewVideoActivity;
  95 import com.owncloud.android.utils.DisplayUtils;
  96 import com.owncloud.android.utils.Log_OC;
  97
  98
  99 /**
 100  * Displays, what files the user has available in his ownCloud.
 101  *
 102  * @author Bartek Przybylski
 103  * @author David A. Velasco
 104  */
 105
 106 public class FileDisplayActivity extends FileActivity implements
 107 OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener, OnRemoteOperationListener, EditNameDialogListener {
 108
 109     private ArrayAdapter<String> mDirectories;
 110
 111     /** Access point to the cached database for the current ownCloud {@link Account} */
 112     private FileDataStorageManager mStorageManager = null;
 113
 114     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 115     private UploadFinishReceiver mUploadFinishReceiver;
 116     private DownloadFinishReceiver mDownloadFinishReceiver;
 117     private OperationsServiceReceiver mOperationsServiceReceiver;
 118     private FileDownloaderBinder mDownloaderBinder = null;
 119     private FileUploaderBinder mUploaderBinder = null;
 120     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 121     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 122
 123     private boolean mDualPane;
 124     private View mLeftFragmentContainer;
 125     private View mRightFragmentContainer;
 126
 127     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 128     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 129     private static final String KEY_REFRESH_SHARES_IN_PROGRESS = "SHARES_IN_PROGRESS";
 130
 131     public static final int DIALOG_SHORT_WAIT = 0;
 132     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 133     private static final int DIALOG_SSL_VALIDATOR = 2;
 134     private static final int DIALOG_CERT_NOT_SAVED = 3;
 135
 136     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
 137
 138     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 139
 140     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 141     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 142
 143     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 144
 145     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 146     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 147
 148     private OCFile mWaitingToPreview;
 149     private Handler mHandler;
 150
 151     private boolean mSyncInProgress = false;
 152     private boolean mRefreshSharesInProgress = false;
 153
 154     @Override
 155     protected void onCreate(Bundle savedInstanceState) {
 156         Log_OC.d(TAG, "onCreate() start");
 157         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 158
 159         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 160
 161         mHandler = new Handler();
 162
 163         /// bindings to transference services
 164         mUploadConnection = new ListServiceConnection();
 165         mDownloadConnection = new ListServiceConnection();
 166         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 167         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 168
 169         // PIN CODE request ;  best location is to decide, let's try this first
 170         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 171             requestPinCode();
 172         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 173             requestPinCode();
 174         }
 175
 176         /// file observer
 177         Intent observer_intent = new Intent(this, FileObserverService.class);
 178         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 179         startService(observer_intent);
 180
 181         /// Load of saved instance state
 182         if(savedInstanceState != null) {
 183             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 184             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 185             mRefreshSharesInProgress = savedInstanceState.getBoolean(KEY_REFRESH_SHARES_IN_PROGRESS);
 186
 187         } else {
 188             mWaitingToPreview = null;
 189             mSyncInProgress = false;
 190             mRefreshSharesInProgress = false;
 191         }
 192
 193         /// USER INTERFACE
 194
 195         // Inflate and set the layout view
 196         setContentView(R.layout.files);
 197         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 198         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 199         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 200         if (savedInstanceState == null) {
 201             createMinFragments();
 202         }
 203
 204         // Action bar setup
 205         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 206         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 207         setSupportProgressBarIndeterminateVisibility(mSyncInProgress || mRefreshSharesInProgress);    // always AFTER setContentView(...) ; to work around bug in its implementation
 208
 209         Log_OC.d(TAG, "onCreate() end");
 210     }
 211
 212     @Override
 213     protected void onStart() {
 214         super.onStart();
 215         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 216     }
 217
 218     @Override
 219     protected void onDestroy() {
 220         super.onDestroy();
 221         if (mDownloadConnection != null)
 222             unbindService(mDownloadConnection);
 223         if (mUploadConnection != null)
 224             unbindService(mUploadConnection);
 225     }
 226
 227
 228     /**
 229      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 230      */
 231     @Override
 232     protected void onAccountSet(boolean stateWasRecovered) {
 233         if (getAccount() != null) {
 234             mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
 235
 236             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 237             OCFile file = getFile();
 238             // get parent from path
 239             String parentPath = "";
 240             if (file != null) {
 241                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 242                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 243                     // get parent from path
 244                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 245                     if (mStorageManager.getFileByPath(parentPath) ==  null)
 246                         file = null; // not able to know the directory where the file is uploading
 247                 } else {
 248                     file = mStorageManager.getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 249                 }
 250             }
 251             if (file == null) {
 252                 // fall back to root folder
 253                 file = mStorageManager.getFileByPath(OCFile.ROOT_PATH);  // never returns null
 254             }
 255             setFile(file);
 256             setNavigationListWithFolder(file);
 257
 258             if (!stateWasRecovered) {
 259                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 260                 initFragmentsWithFile();
 261                 if (file.isFolder()) {
 262                     startSyncFolderOperation(file);
 263                 }
 264
 265             } else {
 266                 updateFragmentsVisibility(!file.isFolder());
 267                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 268             }
 269
 270
 271         } else {
 272             Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
 273         }
 274     }
 275
 276
 277     private void setNavigationListWithFolder(OCFile file) {
 278         mDirectories.clear();
 279         OCFile fileIt = file;
 280         String parentPath;
 281         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 282             if (fileIt.isFolder()) {
 283                 mDirectories.add(fileIt.getFileName());
 284             }
 285             //fileIt = mStorageManager.getFileById(fileIt.getParentId());
 286             // get parent from path
 287             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 288             fileIt = mStorageManager.getFileByPath(parentPath);
 289         }
 290         mDirectories.add(OCFile.PATH_SEPARATOR);
 291     }
 292
 293
 294     private void createMinFragments() {
 295         OCFileListFragment listOfFiles = new OCFileListFragment();
 296         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 297         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 298         transaction.commit();
 299     }
 300
 301     private void initFragmentsWithFile() {
 302         if (getAccount() != null && getFile() != null) {
 303             /// First fragment
 304             OCFileListFragment listOfFiles = getListOfFilesFragment();
 305             if (listOfFiles != null) {
 306                 listOfFiles.listDirectory(getCurrentDir());
 307             } else {
 308                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 309             }
 310
 311             /// Second fragment
 312             OCFile file = getFile();
 313             Fragment secondFragment = chooseInitialSecondFragment(file);
 314             if (secondFragment != null) {
 315                 setSecondFragment(secondFragment);
 316                 updateFragmentsVisibility(true);
 317                 updateNavigationElementsInActionBar(file);
 318
 319             } else {
 320                 cleanSecondFragment();
 321             }
 322
 323         } else {
 324             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 325             if (getAccount() == null) {
 326                 Log.wtf(TAG, "\t account is NULL");
 327             }
 328             if (getFile() == null) {
 329                 Log.wtf(TAG, "\t file is NULL");
 330             }
 331         }
 332     }
 333
 334     private Fragment chooseInitialSecondFragment(OCFile file) {
 335         Fragment secondFragment = null;
 336         if (file != null && !file.isFolder()) {
 337             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 338                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 339                     ) {
 340                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 341                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 342                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 343
 344             } else {
 345                 secondFragment = new FileDetailFragment(file, getAccount());
 346             }
 347         }
 348         return secondFragment;
 349     }
 350
 351
 352     /**
 353      * Replaces the second fragment managed by the activity with the received as
 354      * a parameter.
 355      *
 356      * Assumes never will be more than two fragments managed at the same time.
 357      *
 358      * @param fragment      New second Fragment to set.
 359      */
 360     private void setSecondFragment(Fragment fragment) {
 361         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 362         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 363         transaction.commit();
 364     }
 365
 366
 367     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 368         if (mDualPane) {
 369             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 370                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 371             }
 372             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 373                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 374             }
 375
 376         } else if (existsSecondFragment) {
 377             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 378                 mLeftFragmentContainer.setVisibility(View.GONE);
 379             }
 380             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 381                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 382             }
 383
 384         } else {
 385             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 386                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 387             }
 388             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 389                 mRightFragmentContainer.setVisibility(View.GONE);
 390             }
 391         }
 392     }
 393
 394
 395     private OCFileListFragment getListOfFilesFragment() {
 396         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 397         if (listOfFiles != null) {
 398             return (OCFileListFragment)listOfFiles;
 399         }
 400         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 401         return null;
 402     }
 403
 404     protected FileFragment getSecondFragment() {
 405         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 406         if (second != null) {
 407             return (FileFragment)second;
 408         }
 409         return null;
 410     }
 411
 412     public void cleanSecondFragment() {
 413         Fragment second = getSecondFragment();
 414         if (second != null) {
 415             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 416             tr.remove(second);
 417             tr.commit();
 418         }
 419         updateFragmentsVisibility(false);
 420         updateNavigationElementsInActionBar(null);
 421     }
 422
 423     protected void refeshListOfFilesFragment() {
 424         OCFileListFragment fileListFragment = getListOfFilesFragment();
 425         if (fileListFragment != null) {
 426             fileListFragment.listDirectory();
 427         }
 428     }
 429
 430     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 431         FileFragment secondFragment = getSecondFragment();
 432         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 433         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 434             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 435             OCFile fileInFragment = detailsFragment.getFile();
 436             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 437                 // the user browsed to other file ; forget the automatic preview
 438                 mWaitingToPreview = null;
 439
 440             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 441                 // grant that the right panel updates the progress bar
 442                 detailsFragment.listenForTransferProgress();
 443                 detailsFragment.updateFileDetails(true, false);
 444
 445             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 446                 //  update the right panel
 447                 boolean detailsFragmentChanged = false;
 448                 if (waitedPreview) {
 449                     if (success) {
 450                         mWaitingToPreview = mStorageManager.getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 451                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 452                             startMediaPreview(mWaitingToPreview, 0, true);
 453                             detailsFragmentChanged = true;
 454                         } else {
 455                             openFile(mWaitingToPreview);
 456                         }
 457                     }
 458                     mWaitingToPreview = null;
 459                 }
 460                 if (!detailsFragmentChanged) {
 461                     detailsFragment.updateFileDetails(false, (success));
 462                 }
 463             }
 464         }
 465     }
 466
 467
 468     @Override
 469     public boolean onCreateOptionsMenu(Menu menu) {
 470         MenuInflater inflater = getSherlock().getMenuInflater();
 471         inflater.inflate(R.menu.main_menu, menu);
 472         return true;
 473     }
 474
 475     @Override
 476     public boolean onOptionsItemSelected(MenuItem item) {
 477         boolean retval = true;
 478         switch (item.getItemId()) {
 479         case R.id.action_create_dir: {
 480             EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.uploader_info_dirname), "", -1, -1, this);
 481             dialog.show(getSupportFragmentManager(), "createdirdialog");
 482             break;
 483         }
 484         case R.id.action_sync_account: {
 485             startSynchronization();
 486             break;
 487         }
 488         case R.id.action_upload: {
 489             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 490             break;
 491         }
 492         case R.id.action_settings: {
 493             Intent settingsIntent = new Intent(this, Preferences.class);
 494             startActivity(settingsIntent);
 495             break;
 496         }
 497         case android.R.id.home: {
 498             FileFragment second = getSecondFragment();
 499             OCFile currentDir = getCurrentDir();
 500             if((currentDir != null && currentDir.getParentId() != 0) ||
 501                     (second != null && second.getFile() != null)) {
 502                 onBackPressed();
 503
 504             }
 505             break;
 506         }
 507         default:
 508             retval = super.onOptionsItemSelected(item);
 509         }
 510         return retval;
 511     }
 512
 513     private void startSynchronization() {
 514         Log_OC.e(TAG, "Got to start sync");
 515         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 516             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 517             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 518             Bundle bundle = new Bundle();
 519             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 520             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 521             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 522             ContentResolver.requestSync(
 523                     getAccount(),
 524                     MainApp.getAuthority(), bundle);
 525         } else {
 526             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 527             SyncRequest.Builder builder = new SyncRequest.Builder();
 528             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 529             builder.setExpedited(true);
 530             builder.setManual(true);
 531             builder.syncOnce();
 532             SyncRequest request = builder.build();
 533             ContentResolver.requestSync(request);
 534         }
 535     }
 536
 537
 538     @Override
 539     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 540         if (itemPosition != 0) {
 541             String targetPath = "";
 542             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 543                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 544             }
 545             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 546             OCFile targetFolder = mStorageManager.getFileByPath(targetPath);
 547             if (targetFolder != null) {
 548                 browseTo(targetFolder);
 549             }
 550
 551             // the next operation triggers a new call to this method, but it's necessary to
 552             // ensure that the name exposed in the action bar is the current directory when the
 553             // user selected it in the navigation list
 554             getSupportActionBar().setSelectedNavigationItem(0);
 555         }
 556         return true;
 557     }
 558
 559     /**
 560      * Called, when the user selected something for uploading
 561      */
 562     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 563         super.onActivityResult(requestCode, resultCode, data);
 564
 565         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 566             requestSimpleUpload(data, resultCode);
 567
 568         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 569             requestMultipleUpload(data, resultCode);
 570
 571         }
 572     }
 573
 574     private void requestMultipleUpload(Intent data, int resultCode) {
 575         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 576         if (filePaths != null) {
 577             String[] remotePaths = new String[filePaths.length];
 578             String remotePathBase = "";
 579             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 580                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 581             }
 582             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 583                 remotePathBase += OCFile.PATH_SEPARATOR;
 584             for (int j = 0; j< remotePaths.length; j++) {
 585                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 586             }
 587
 588             Intent i = new Intent(this, FileUploader.class);
 589             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 590             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 591             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 592             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 593             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 594                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 595             startService(i);
 596
 597         } else {
 598             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 599             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 600             t.show();
 601             return;
 602         }
 603     }
 604
 605
 606     private void requestSimpleUpload(Intent data, int resultCode) {
 607         String filepath = null;
 608         try {
 609             Uri selectedImageUri = data.getData();
 610
 611             String filemanagerstring = selectedImageUri.getPath();
 612             String selectedImagePath = getPath(selectedImageUri);
 613
 614             if (selectedImagePath != null)
 615                 filepath = selectedImagePath;
 616             else
 617                 filepath = filemanagerstring;
 618
 619         } catch (Exception e) {
 620             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 621             e.printStackTrace();
 622
 623         } finally {
 624             if (filepath == null) {
 625                 Log_OC.e(TAG, "Couldnt resolve path to file");
 626                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 627                 t.show();
 628                 return;
 629             }
 630         }
 631
 632         Intent i = new Intent(this, FileUploader.class);
 633         i.putExtra(FileUploader.KEY_ACCOUNT,
 634                 getAccount());
 635         String remotepath = new String();
 636         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 637             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 638         }
 639         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 640             remotepath += OCFile.PATH_SEPARATOR;
 641         remotepath += new File(filepath).getName();
 642
 643         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 644         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 645         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 646         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 647             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 648         startService(i);
 649     }
 650
 651     @Override
 652     public void onBackPressed() {
 653         OCFileListFragment listOfFiles = getListOfFilesFragment();
 654         if (mDualPane || getSecondFragment() == null) {
 655             if (listOfFiles != null) {  // should never be null, indeed
 656                 if (mDirectories.getCount() <= 1) {
 657                     finish();
 658                     return;
 659                 }
 660                 int levelsUp = listOfFiles.onBrowseUp();
 661                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 662                     popDirname();
 663                 }
 664             }
 665         }
 666         if (listOfFiles != null) {  // should never be null, indeed
 667             setFile(listOfFiles.getCurrentFile());
 668         }
 669         cleanSecondFragment();
 670
 671     }
 672
 673     @Override
 674     protected void onSaveInstanceState(Bundle outState) {
 675         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 676         Log_OC.e(TAG, "onSaveInstanceState() start");
 677         super.onSaveInstanceState(outState);
 678         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 679         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 680         outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 681
 682         Log_OC.d(TAG, "onSaveInstanceState() end");
 683     }
 684
 685
 686
 687     @Override
 688     protected void onResume() {
 689         super.onResume();
 690         Log_OC.e(TAG, "onResume() start");
 691
 692         // Listen for sync messages
 693         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 694         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 695         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FOLDER_SIZE_SYNCED);
 696         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FOLDER_CONTENTS_SYNCED);
 697         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED);
 698         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 699         //registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 700         LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 701
 702         // Listen for upload messages
 703         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 704         mUploadFinishReceiver = new UploadFinishReceiver();
 705         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 706
 707         // Listen for download messages
 708         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 709         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 710         mDownloadFinishReceiver = new DownloadFinishReceiver();
 711         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 712
 713         // Listen for messages from the OperationsService
 714         IntentFilter operationsIntentFilter = new IntentFilter(OperationsService.ACTION_OPERATION_ADDED);
 715         operationsIntentFilter.addAction(OperationsService.ACTION_OPERATION_FINISHED);
 716         mOperationsServiceReceiver = new OperationsServiceReceiver();
 717         LocalBroadcastManager.getInstance(this).registerReceiver(mOperationsServiceReceiver, operationsIntentFilter);
 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         if (mOperationsServiceReceiver != null) {
 741             LocalBroadcastManager.getInstance(this).unregisterReceiver(mOperationsServiceReceiver);
 742             mOperationsServiceReceiver = null;
 743         }
 744         Log_OC.d(TAG, "onPause() end");
 745     }
 746
 747
 748     @Override
 749     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 750         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 751             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 752         }
 753     }
 754
 755
 756     @Override
 757     protected Dialog onCreateDialog(int id) {
 758         Dialog dialog = null;
 759         AlertDialog.Builder builder;
 760         switch (id) {
 761         case DIALOG_SHORT_WAIT: {
 762             ProgressDialog working_dialog = new ProgressDialog(this);
 763             working_dialog.setMessage(getResources().getString(
 764                     R.string.wait_a_moment));
 765             working_dialog.setIndeterminate(true);
 766             working_dialog.setCancelable(false);
 767             dialog = working_dialog;
 768             break;
 769         }
 770         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 771
 772             String[] items = null;
 773
 774             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 775                     getString(R.string.actionbar_upload_from_apps),
 776                     getString(R.string.actionbar_failed_instant_upload) };
 777
 778             String[] commonItems = { getString(R.string.actionbar_upload_files),
 779                     getString(R.string.actionbar_upload_from_apps) };
 780
 781             if (InstantUploadActivity.IS_ENABLED)
 782                 items = allTheItems;
 783             else
 784                 items = commonItems;
 785
 786             builder = new AlertDialog.Builder(this);
 787             builder.setTitle(R.string.actionbar_upload);
 788             builder.setItems(items, new DialogInterface.OnClickListener() {
 789                 public void onClick(DialogInterface dialog, int item) {
 790                     if (item == 0) {
 791                         // if (!mDualPane) {
 792                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 793                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 794                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 795                             // } else {
 796                             // TODO create and handle new fragment
 797                             // LocalFileListFragment
 798                             // }
 799                     } else if (item == 1) {
 800                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 801                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 802                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 803                                 ACTION_SELECT_CONTENT_FROM_APPS);
 804                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 805                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 806                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 807                         startActivity(action);
 808                     }
 809                 }
 810             });
 811             dialog = builder.create();
 812             break;
 813         }
 814         case DIALOG_SSL_VALIDATOR: {
 815             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 816             break;
 817         }
 818         case DIALOG_CERT_NOT_SAVED: {
 819             builder = new AlertDialog.Builder(this);
 820             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 821             builder.setCancelable(false);
 822             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 823                 @Override
 824                 public void onClick(DialogInterface dialog, int which) {
 825                     dialog.dismiss();
 826                 };
 827             });
 828             dialog = builder.create();
 829             break;
 830         }
 831         default:
 832             dialog = null;
 833         }
 834
 835         return dialog;
 836     }
 837
 838
 839     /**
 840      * Show loading dialog
 841      */
 842     public void showLoadingDialog() {
 843         // Construct dialog
 844         LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
 845         FragmentManager fm = getSupportFragmentManager();
 846         FragmentTransaction ft = fm.beginTransaction();
 847         loading.show(ft, DIALOG_WAIT_TAG);
 848
 849     }
 850
 851     /**
 852      * Dismiss loading dialog
 853      */
 854     public void dismissLoadingDialog(){
 855         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 856       if (frag != null) {
 857           LoadingDialog loading = (LoadingDialog) frag;
 858             loading.dismiss();
 859         }
 860     }
 861
 862
 863     /**
 864      * Translates a content URI of an image to a physical path
 865      * on the disk
 866      * @param uri The URI to resolve
 867      * @return The path to the image or null if it could not be found
 868      */
 869     public String getPath(Uri uri) {
 870         String[] projection = { MediaStore.Images.Media.DATA };
 871         Cursor cursor = managedQuery(uri, projection, null, null, null);
 872         if (cursor != null) {
 873             int column_index = cursor
 874                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 875             cursor.moveToFirst();
 876             return cursor.getString(column_index);
 877         }
 878         return null;
 879     }
 880
 881     /**
 882      * Pushes a directory to the drop down list
 883      * @param directory to push
 884      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 885      */
 886     public void pushDirname(OCFile directory) {
 887         if(!directory.isFolder()){
 888             throw new IllegalArgumentException("Only directories may be pushed!");
 889         }
 890         mDirectories.insert(directory.getFileName(), 0);
 891         setFile(directory);
 892     }
 893
 894     /**
 895      * Pops a directory name from the drop down list
 896      * @return True, unless the stack is empty
 897      */
 898     public boolean popDirname() {
 899         mDirectories.remove(mDirectories.getItem(0));
 900         return !mDirectories.isEmpty();
 901     }
 902
 903     // Custom array adapter to override text colors
 904     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 905
 906         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 907             super(ctx, view);
 908         }
 909
 910         public View getView(int position, View convertView, ViewGroup parent) {
 911             View v = super.getView(position, convertView, parent);
 912
 913             ((TextView) v).setTextColor(getResources().getColorStateList(
 914                     android.R.color.white));
 915             return v;
 916         }
 917
 918         public View getDropDownView(int position, View convertView,
 919                 ViewGroup parent) {
 920             View v = super.getDropDownView(position, convertView, parent);
 921
 922             ((TextView) v).setTextColor(getResources().getColorStateList(
 923                     android.R.color.white));
 924
 925             return v;
 926         }
 927
 928     }
 929
 930     private class SyncBroadcastReceiver extends BroadcastReceiver {
 931
 932         /**
 933          * {@link BroadcastReceiver} to enable syncing feedback in UI
 934          */
 935         @Override
 936         public void onReceive(Context context, Intent intent) {
 937             String event = intent.getAction();
 938             String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 939             String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 940             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 941             boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && mStorageManager != null);
 942
 943             if (sameAccount) {
 944
 945                 if (!FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 946
 947                     OCFile currentFile = (getFile() == null) ? null : mStorageManager.getFileByPath(getFile().getRemotePath());
 948                     OCFile currentDir = (getCurrentDir() == null) ? null : mStorageManager.getFileByPath(getCurrentDir().getRemotePath());
 949
 950                     if (currentDir == null) {
 951                         // current folder was removed from the server
 952                         Toast.makeText( FileDisplayActivity.this,
 953                                         String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 954                                         Toast.LENGTH_LONG)
 955                             .show();
 956                         browseToRoot();
 957
 958                     } else {
 959                         if (currentFile == null && !getFile().isFolder()) {
 960                             // currently selected file was removed in the server, and now we know it
 961                             cleanSecondFragment();
 962                             currentFile = currentDir;
 963                         }
 964
 965                         if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 966                             OCFileListFragment fileListFragment = getListOfFilesFragment();
 967                             if (fileListFragment != null) {
 968                                 fileListFragment.listDirectory(currentDir);
 969                             }
 970                         }
 971                         setFile(currentFile);
 972                     }
 973
 974                     mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 975                                         !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED.equals(event) &&
 976                                         (synchResult == null || synchResult.isSuccess())) ;
 977
 978                     if (synchResult != null &&
 979                         synchResult.isSuccess() &&
 980                             (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED.equals(event) ||
 981                                 FileSyncAdapter.EVENT_FOLDER_CONTENTS_SYNCED.equals(event)
 982                             )
 983                         ) {
 984                         startGetShares();
 985                     }
 986
 987                 }
 988                 //removeStickyBroadcast(intent);
 989                 setSupportProgressBarIndeterminateVisibility(mSyncInProgress || mRefreshSharesInProgress);
 990             }
 991
 992             if (synchResult != null) {
 993                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 994                     mLastSslUntrustedServerResult = synchResult;
 995                     showDialog(DIALOG_SSL_VALIDATOR);
 996                 }
 997             }
 998         }
 999     }
1000
1001
1002     private class UploadFinishReceiver extends BroadcastReceiver {
1003         /**
1004          * Once the file upload has finished -> update view
1005          *  @author David A. Velasco
1006          * {@link BroadcastReceiver} to enable upload feedback in UI
1007          */
1008         @Override
1009         public void onReceive(Context context, Intent intent) {
1010             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1011             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1012             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1013             OCFile currentDir = getCurrentDir();
1014             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) && (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1015             if (sameAccount && isDescendant) {
1016                 refeshListOfFilesFragment();
1017             }
1018         }
1019
1020     }
1021
1022
1023     /**
1024      * Class waiting for broadcast events from the {@link FielDownloader} service.
1025      *
1026      * Updates the UI when a download is started or finished, provided that it is relevant for the
1027      * current folder.
1028      */
1029     private class DownloadFinishReceiver extends BroadcastReceiver {
1030         @Override
1031         public void onReceive(Context context, Intent intent) {
1032             boolean sameAccount = isSameAccount(context, intent);
1033             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1034             boolean isDescendant = isDescendant(downloadedRemotePath);
1035
1036             if (sameAccount && isDescendant) {
1037                 refeshListOfFilesFragment();
1038                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1039             }
1040
1041             removeStickyBroadcast(intent);
1042         }
1043
1044         private boolean isDescendant(String downloadedRemotePath) {
1045             OCFile currentDir = getCurrentDir();
1046             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1047         }
1048
1049         private boolean isSameAccount(Context context, Intent intent) {
1050             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1051             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1052         }
1053     }
1054
1055
1056     /**
1057      * Class waiting for broadcast events from the {@link OperationsService}.
1058      *
1059      * Updates the list of files when a get for shares is finished; at this moment the refresh of shares is the only
1060      * operation performed in {@link OperationsService}.
1061      *
1062      * In the future will handle the progress or finalization of all the operations performed in {@link OperationsService},
1063      * probably all the operations associated to the app model.
1064      */
1065     private class OperationsServiceReceiver extends BroadcastReceiver {
1066
1067         @Override
1068         public void onReceive(Context context, Intent intent) {
1069             if (OperationsService.ACTION_OPERATION_ADDED.equals(intent.getAction())) {
1070
1071             } else if (OperationsService.ACTION_OPERATION_FINISHED.equals(intent.getAction())) {
1072                 mRefreshSharesInProgress = false;
1073
1074                 Account account = intent.getParcelableExtra(OperationsService.EXTRA_ACCOUNT);
1075                 RemoteOperationResult getSharesResult = (RemoteOperationResult)intent.getSerializableExtra(OperationsService.EXTRA_RESULT);
1076                 if (getAccount() != null && account.name.equals(getAccount().name)
1077                         && mStorageManager != null
1078                         ) {
1079                     refeshListOfFilesFragment();
1080                 }
1081                 if ((getSharesResult != null) &&
1082                         RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED.equals(getSharesResult.getCode())) {
1083                     mLastSslUntrustedServerResult = getSharesResult;
1084                     showDialog(DIALOG_SSL_VALIDATOR);
1085                 }
1086
1087                 setSupportProgressBarIndeterminateVisibility(mRefreshSharesInProgress || mSyncInProgress);
1088             }
1089
1090         }
1091
1092     }
1093
1094
1095     /**
1096      * {@inheritDoc}
1097      */
1098     @Override
1099     public FileDataStorageManager getStorageManager() {
1100         return mStorageManager;
1101     }
1102
1103
1104     public void browseToRoot() {
1105         OCFileListFragment listOfFiles = getListOfFilesFragment();
1106         if (listOfFiles != null) {  // should never be null, indeed
1107             while (mDirectories.getCount() > 1) {
1108                 popDirname();
1109             }
1110             OCFile root = mStorageManager.getFileByPath(OCFile.ROOT_PATH);
1111             listOfFiles.listDirectory(root);
1112             setFile(listOfFiles.getCurrentFile());
1113             startSyncFolderOperation(root);
1114         }
1115         cleanSecondFragment();
1116     }
1117
1118
1119     public void browseTo(OCFile folder) {
1120         if (folder == null || !folder.isFolder()) {
1121             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1122         }
1123         OCFileListFragment listOfFiles = getListOfFilesFragment();
1124         if (listOfFiles != null) {
1125             setNavigationListWithFolder(folder);
1126             listOfFiles.listDirectory(folder);
1127             setFile(listOfFiles.getCurrentFile());
1128             startSyncFolderOperation(folder);
1129         } else {
1130             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1131         }
1132         cleanSecondFragment();
1133     }
1134
1135
1136     /**
1137      * {@inheritDoc}
1138      *
1139      * Updates action bar and second fragment, if in dual pane mode.
1140      */
1141     @Override
1142     public void onBrowsedDownTo(OCFile directory) {
1143         pushDirname(directory);
1144         cleanSecondFragment();
1145
1146         // Sync Folder
1147         startSyncFolderOperation(directory);
1148
1149     }
1150
1151     /**
1152      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1153      *
1154      * @param file                      Image {@link OCFile} to show.
1155      */
1156     @Override
1157     public void startImagePreview(OCFile file) {
1158         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1159         showDetailsIntent.putExtra(EXTRA_FILE, file);
1160         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1161         startActivity(showDetailsIntent);
1162     }
1163
1164     /**
1165      * Stars the preview of an already down media {@link OCFile}.
1166      *
1167      * @param file                      Media {@link OCFile} to preview.
1168      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1169      * @param autoplay                  When 'true', the playback will start without user interactions.
1170      */
1171     @Override
1172     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1173         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1174         setSecondFragment(mediaFragment);
1175         updateFragmentsVisibility(true);
1176         updateNavigationElementsInActionBar(file);
1177         setFile(file);
1178     }
1179
1180     /**
1181      * Requests the download of the received {@link OCFile} , updates the UI
1182      * to monitor the download progress and prepares the activity to preview
1183      * or open the file when the download finishes.
1184      *
1185      * @param file          {@link OCFile} to download and preview.
1186      */
1187     @Override
1188     public void startDownloadForPreview(OCFile file) {
1189         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1190         setSecondFragment(detailFragment);
1191         mWaitingToPreview = file;
1192         requestForDownload();
1193         updateFragmentsVisibility(true);
1194         updateNavigationElementsInActionBar(file);
1195         setFile(file);
1196     }
1197
1198
1199     /**
1200      * Shows the information of the {@link OCFile} received as a
1201      * parameter in the second fragment.
1202      *
1203      * @param file          {@link OCFile} whose details will be shown
1204      */
1205     @Override
1206     public void showDetails(OCFile file) {
1207         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1208         setSecondFragment(detailFragment);
1209         updateFragmentsVisibility(true);
1210         updateNavigationElementsInActionBar(file);
1211         setFile(file);
1212     }
1213
1214
1215     /**
1216      * TODO
1217      */
1218     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1219         ActionBar actionBar = getSupportActionBar();
1220         if (chosenFile == null || mDualPane) {
1221             // only list of files - set for browsing through folders
1222             OCFile currentDir = getCurrentDir();
1223             actionBar.setDisplayHomeAsUpEnabled(currentDir != null && currentDir.getParentId() != 0);
1224             actionBar.setDisplayShowTitleEnabled(false);
1225             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
1226             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1227
1228         } else {
1229             actionBar.setDisplayHomeAsUpEnabled(true);
1230             actionBar.setDisplayShowTitleEnabled(true);
1231             actionBar.setTitle(chosenFile.getFileName());
1232             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1233         }
1234     }
1235
1236
1237     /**
1238      * {@inheritDoc}
1239      */
1240     @Override
1241     public void onFileStateChanged() {
1242         refeshListOfFilesFragment();
1243         updateNavigationElementsInActionBar(getSecondFragment().getFile());
1244     }
1245
1246
1247     /**
1248      * {@inheritDoc}
1249      */
1250     @Override
1251     public FileDownloaderBinder getFileDownloaderBinder() {
1252         return mDownloaderBinder;
1253     }
1254
1255
1256     /**
1257      * {@inheritDoc}
1258      */
1259     @Override
1260     public FileUploaderBinder getFileUploaderBinder() {
1261         return mUploaderBinder;
1262     }
1263
1264
1265     /** Defines callbacks for service binding, passed to bindService() */
1266     private class ListServiceConnection implements ServiceConnection {
1267
1268         @Override
1269         public void onServiceConnected(ComponentName component, IBinder service) {
1270             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1271                 Log_OC.d(TAG, "Download service connected");
1272                 mDownloaderBinder = (FileDownloaderBinder) service;
1273                 if (mWaitingToPreview != null) {
1274                     requestForDownload();
1275                 }
1276
1277             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1278                 Log_OC.d(TAG, "Upload service connected");
1279                 mUploaderBinder = (FileUploaderBinder) service;
1280             } else {
1281                 return;
1282             }
1283             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1284             OCFileListFragment listOfFiles = getListOfFilesFragment();
1285             if (listOfFiles != null) {
1286                 listOfFiles.listDirectory();
1287             }
1288             FileFragment secondFragment = getSecondFragment();
1289             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1290                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1291                 detailFragment.listenForTransferProgress();
1292                 detailFragment.updateFileDetails(false, false);
1293             }
1294         }
1295
1296         @Override
1297         public void onServiceDisconnected(ComponentName component) {
1298             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1299                 Log_OC.d(TAG, "Download service disconnected");
1300                 mDownloaderBinder = null;
1301             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1302                 Log_OC.d(TAG, "Upload service disconnected");
1303                 mUploaderBinder = null;
1304             }
1305         }
1306     };
1307
1308
1309
1310     /**
1311      * Launch an intent to request the PIN code to the user before letting him use the app
1312      */
1313     private void requestPinCode() {
1314         boolean pinStart = false;
1315         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1316         pinStart = appPrefs.getBoolean("set_pincode", false);
1317         if (pinStart) {
1318             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1319             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1320             startActivity(i);
1321         }
1322     }
1323
1324
1325     @Override
1326     public void onSavedCertificate() {
1327         startSyncFolderOperation(getCurrentDir());
1328     }
1329
1330
1331     @Override
1332     public void onFailedSavingCertificate() {
1333         showDialog(DIALOG_CERT_NOT_SAVED);
1334     }
1335
1336
1337     /**
1338      * Updates the view associated to the activity after the finish of some operation over files
1339      * in the current account.
1340      *
1341      * @param operation     Removal operation performed.
1342      * @param result        Result of the removal.
1343      */
1344     @Override
1345     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1346         if (operation instanceof RemoveFileOperation) {
1347             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1348
1349         } else if (operation instanceof RenameFileOperation) {
1350             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1351
1352         } else if (operation instanceof SynchronizeFileOperation) {
1353             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1354
1355         } else if (operation instanceof CreateFolderOperation) {
1356             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1357         }
1358     }
1359
1360
1361     /**
1362      * Updates the view associated to the activity after the finish of an operation trying to remove a
1363      * file.
1364      *
1365      * @param operation     Removal operation performed.
1366      * @param result        Result of the removal.
1367      */
1368     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1369         dismissLoadingDialog();
1370         if (result.isSuccess()) {
1371             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1372             msg.show();
1373             OCFile removedFile = operation.getFile();
1374             getSecondFragment();
1375             FileFragment second = getSecondFragment();
1376             if (second != null && removedFile.equals(second.getFile())) {
1377                 cleanSecondFragment();
1378             }
1379             if (mStorageManager.getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1380                 refeshListOfFilesFragment();
1381             }
1382
1383         } else {
1384             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1385             msg.show();
1386             if (result.isSslRecoverableException()) {
1387                 mLastSslUntrustedServerResult = result;
1388                 showDialog(DIALOG_SSL_VALIDATOR);
1389             }
1390         }
1391     }
1392
1393     /**
1394      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1395      *
1396      * @param operation     Creation operation performed.
1397      * @param result        Result of the creation.
1398      */
1399     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1400         if (result.isSuccess()) {
1401             dismissLoadingDialog();
1402             refeshListOfFilesFragment();
1403
1404         } else {
1405             dismissLoadingDialog();
1406             if (result.getCode() == ResultCode.INVALID_CHARACTER_IN_NAME) {
1407                 Toast.makeText(FileDisplayActivity.this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG).show();
1408             } else {
1409             try {
1410                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
1411                 msg.show();
1412
1413             } catch (NotFoundException e) {
1414                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1415             }
1416             }
1417         }
1418     }
1419
1420
1421     /**
1422      * Updates the view associated to the activity after the finish of an operation trying to rename a
1423      * file.
1424      *
1425      * @param operation     Renaming operation performed.
1426      * @param result        Result of the renaming.
1427      */
1428     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1429         dismissLoadingDialog();
1430         OCFile renamedFile = operation.getFile();
1431         if (result.isSuccess()) {
1432             if (mDualPane) {
1433                 FileFragment details = getSecondFragment();
1434                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1435                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1436                 }
1437             }
1438             if (mStorageManager.getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1439                 refeshListOfFilesFragment();
1440             }
1441
1442         } else {
1443             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1444                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1445                 msg.show();
1446                 // TODO throw again the new rename dialog
1447             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
1448                 Toast msg = Toast.makeText(this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
1449                 msg.show();
1450             } else {
1451                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1452                 msg.show();
1453                 if (result.isSslRecoverableException()) {
1454                     mLastSslUntrustedServerResult = result;
1455                     showDialog(DIALOG_SSL_VALIDATOR);
1456                 }
1457             }
1458         }
1459     }
1460
1461
1462     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1463         dismissLoadingDialog();
1464         OCFile syncedFile = operation.getLocalFile();
1465         if (!result.isSuccess()) {
1466             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1467                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1468                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1469                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1470                 startActivity(i);
1471
1472             }
1473
1474         } else {
1475             if (operation.transferWasRequested()) {
1476                 refeshListOfFilesFragment();
1477                 onTransferStateChanged(syncedFile, true, true);
1478
1479             } else {
1480                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1481                 msg.show();
1482             }
1483         }
1484     }
1485
1486
1487     /**
1488      * {@inheritDoc}
1489      */
1490     @Override
1491     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1492         if (mDualPane) {
1493             FileFragment details = getSecondFragment();
1494             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1495                 if (downloading || uploading) {
1496                     ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1497                 } else {
1498                     ((FileDetailFragment)details).updateFileDetails(false, true);
1499                 }
1500             }
1501         }
1502     }
1503
1504
1505     public void onDismiss(EditNameDialog dialog) {
1506         if (dialog.getResult()) {
1507             String newDirectoryName = dialog.getNewFilename().trim();
1508             Log_OC.d(TAG, "'create directory' dialog dismissed with new name " + newDirectoryName);
1509             if (newDirectoryName.length() > 0) {
1510                 String path = getCurrentDir().getRemotePath();
1511
1512                 // Create directory
1513                 path += newDirectoryName + OCFile.PATH_SEPARATOR;
1514                 RemoteOperation operation = new CreateFolderOperation(path, false, mStorageManager);
1515                 operation.execute(  getAccount(),
1516                         FileDisplayActivity.this,
1517                         FileDisplayActivity.this,
1518                         mHandler,
1519                         FileDisplayActivity.this);
1520
1521                 showLoadingDialog();
1522             }
1523         }
1524     }
1525
1526
1527     private void requestForDownload() {
1528         Account account = getAccount();
1529         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1530             Intent i = new Intent(this, FileDownloader.class);
1531             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1532             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1533             startService(i);
1534         }
1535     }
1536
1537
1538     private OCFile getCurrentDir() {
1539         OCFile file = getFile();
1540         if (file != null) {
1541             if (file.isFolder()) {
1542                 return file;
1543             } else if (mStorageManager != null) {
1544                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1545                 return mStorageManager.getFileByPath(parentPath);
1546             }
1547         }
1548         return null;
1549     }
1550
1551     public void startSyncFolderOperation(OCFile folder) {
1552         long currentSyncTime = System.currentTimeMillis();
1553
1554         mSyncInProgress = true;
1555
1556         // perform folder synchronization
1557         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1558                                                                         currentSyncTime,
1559                                                                         false,
1560                                                                         getStorageManager(),
1561                                                                         getAccount(),
1562                                                                         getApplicationContext()
1563                                                                       );
1564         synchFolderOp.execute(getAccount(), this, null, null, this);
1565
1566         setSupportProgressBarIndeterminateVisibility(true);
1567     }
1568
1569
1570     private void startGetShares() {
1571         // Get shared files/folders
1572         Intent intent = new Intent(this, OperationsService.class);
1573         intent.putExtra(OperationsService.EXTRA_ACCOUNT, getAccount());
1574         startService(intent);
1575
1576         mRefreshSharesInProgress = true;
1577     }
1578
1579 }