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 HookActivity 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             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 555                 getSupportActionBar().setSelectedNavigationItem(0);
 556         }
 557         return true;
 558     }
 559
 560     /**
 561      * Called, when the user selected something for uploading
 562      */
 563     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 564         super.onActivityResult(requestCode, resultCode, data);
 565
 566         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 567             requestSimpleUpload(data, resultCode);
 568
 569         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 570             requestMultipleUpload(data, resultCode);
 571
 572         }
 573     }
 574
 575     private void requestMultipleUpload(Intent data, int resultCode) {
 576         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 577         if (filePaths != null) {
 578             String[] remotePaths = new String[filePaths.length];
 579             String remotePathBase = "";
 580             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 581                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 582             }
 583             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 584                 remotePathBase += OCFile.PATH_SEPARATOR;
 585             for (int j = 0; j< remotePaths.length; j++) {
 586                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 587             }
 588
 589             Intent i = new Intent(this, FileUploader.class);
 590             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 591             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 592             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 593             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 594             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 595                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 596             startService(i);
 597
 598         } else {
 599             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 600             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 601             t.show();
 602             return;
 603         }
 604     }
 605
 606
 607     private void requestSimpleUpload(Intent data, int resultCode) {
 608         String filepath = null;
 609         try {
 610             Uri selectedImageUri = data.getData();
 611
 612             String filemanagerstring = selectedImageUri.getPath();
 613             String selectedImagePath = getPath(selectedImageUri);
 614
 615             if (selectedImagePath != null)
 616                 filepath = selectedImagePath;
 617             else
 618                 filepath = filemanagerstring;
 619
 620         } catch (Exception e) {
 621             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 622             e.printStackTrace();
 623
 624         } finally {
 625             if (filepath == null) {
 626                 Log_OC.e(TAG, "Couldnt resolve path to file");
 627                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 628                 t.show();
 629                 return;
 630             }
 631         }
 632
 633         Intent i = new Intent(this, FileUploader.class);
 634         i.putExtra(FileUploader.KEY_ACCOUNT,
 635                 getAccount());
 636         String remotepath = new String();
 637         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 638             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 639         }
 640         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 641             remotepath += OCFile.PATH_SEPARATOR;
 642         remotepath += new File(filepath).getName();
 643
 644         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 645         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 646         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 647         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 648             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 649         startService(i);
 650     }
 651
 652     @Override
 653     public void onBackPressed() {
 654         OCFileListFragment listOfFiles = getListOfFilesFragment();
 655         if (mDualPane || getSecondFragment() == null) {
 656             if (listOfFiles != null) {  // should never be null, indeed
 657                 if (mDirectories.getCount() <= 1) {
 658                     finish();
 659                     return;
 660                 }
 661                 int levelsUp = listOfFiles.onBrowseUp();
 662                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 663                     popDirname();
 664                 }
 665             }
 666         }
 667         if (listOfFiles != null) {  // should never be null, indeed
 668             setFile(listOfFiles.getCurrentFile());
 669         }
 670         cleanSecondFragment();
 671
 672     }
 673
 674     @Override
 675     protected void onSaveInstanceState(Bundle outState) {
 676         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 677         Log_OC.e(TAG, "onSaveInstanceState() start");
 678         super.onSaveInstanceState(outState);
 679         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 680         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 681         outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 682
 683         Log_OC.d(TAG, "onSaveInstanceState() end");
 684     }
 685
 686
 687
 688     @Override
 689     protected void onResume() {
 690         super.onResume();
 691         Log_OC.e(TAG, "onResume() start");
 692
 693         // Listen for sync messages
 694         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 695         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 696         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FOLDER_SIZE_SYNCED);
 697         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FOLDER_CONTENTS_SYNCED);
 698         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED);
 699         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 700         //registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 701         LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 702
 703         // Listen for upload messages
 704         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 705         mUploadFinishReceiver = new UploadFinishReceiver();
 706         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 707
 708         // Listen for download messages
 709         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 710         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 711         mDownloadFinishReceiver = new DownloadFinishReceiver();
 712         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 713
 714         // Listen for messages from the OperationsService
 715         IntentFilter operationsIntentFilter = new IntentFilter(OperationsService.ACTION_OPERATION_ADDED);
 716         operationsIntentFilter.addAction(OperationsService.ACTION_OPERATION_FINISHED);
 717         mOperationsServiceReceiver = new OperationsServiceReceiver();
 718         LocalBroadcastManager.getInstance(this).registerReceiver(mOperationsServiceReceiver, operationsIntentFilter);
 719
 720         Log_OC.d(TAG, "onResume() end");
 721     }
 722
 723
 724     @Override
 725     protected void onPause() {
 726         super.onPause();
 727         Log_OC.e(TAG, "onPause() start");
 728         if (mSyncBroadcastReceiver != null) {
 729             //unregisterReceiver(mSyncBroadcastReceiver);
 730             LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 731             mSyncBroadcastReceiver = null;
 732         }
 733         if (mUploadFinishReceiver != null) {
 734             unregisterReceiver(mUploadFinishReceiver);
 735             mUploadFinishReceiver = null;
 736         }
 737         if (mDownloadFinishReceiver != null) {
 738             unregisterReceiver(mDownloadFinishReceiver);
 739             mDownloadFinishReceiver = null;
 740         }
 741         if (mOperationsServiceReceiver != null) {
 742             LocalBroadcastManager.getInstance(this).unregisterReceiver(mOperationsServiceReceiver);
 743             mOperationsServiceReceiver = null;
 744         }
 745         Log_OC.d(TAG, "onPause() end");
 746     }
 747
 748
 749     @Override
 750     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 751         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 752             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 753         }
 754     }
 755
 756
 757     @Override
 758     protected Dialog onCreateDialog(int id) {
 759         Dialog dialog = null;
 760         AlertDialog.Builder builder;
 761         switch (id) {
 762         case DIALOG_SHORT_WAIT: {
 763             ProgressDialog working_dialog = new ProgressDialog(this);
 764             working_dialog.setMessage(getResources().getString(
 765                     R.string.wait_a_moment));
 766             working_dialog.setIndeterminate(true);
 767             working_dialog.setCancelable(false);
 768             dialog = working_dialog;
 769             break;
 770         }
 771         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 772
 773             String[] items = null;
 774
 775             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 776                     getString(R.string.actionbar_upload_from_apps),
 777                     getString(R.string.actionbar_failed_instant_upload) };
 778
 779             String[] commonItems = { getString(R.string.actionbar_upload_files),
 780                     getString(R.string.actionbar_upload_from_apps) };
 781
 782             if (InstantUploadActivity.IS_ENABLED)
 783                 items = allTheItems;
 784             else
 785                 items = commonItems;
 786
 787             builder = new AlertDialog.Builder(this);
 788             builder.setTitle(R.string.actionbar_upload);
 789             builder.setItems(items, new DialogInterface.OnClickListener() {
 790                 public void onClick(DialogInterface dialog, int item) {
 791                     if (item == 0) {
 792                         // if (!mDualPane) {
 793                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 794                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 795                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 796                             // } else {
 797                             // TODO create and handle new fragment
 798                             // LocalFileListFragment
 799                             // }
 800                     } else if (item == 1) {
 801                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 802                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 803                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 804                                 ACTION_SELECT_CONTENT_FROM_APPS);
 805                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 806                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 807                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 808                         startActivity(action);
 809                     }
 810                 }
 811             });
 812             dialog = builder.create();
 813             break;
 814         }
 815         case DIALOG_SSL_VALIDATOR: {
 816             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 817             break;
 818         }
 819         case DIALOG_CERT_NOT_SAVED: {
 820             builder = new AlertDialog.Builder(this);
 821             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 822             builder.setCancelable(false);
 823             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 824                 @Override
 825                 public void onClick(DialogInterface dialog, int which) {
 826                     dialog.dismiss();
 827                 };
 828             });
 829             dialog = builder.create();
 830             break;
 831         }
 832         default:
 833             dialog = null;
 834         }
 835
 836         return dialog;
 837     }
 838
 839
 840     /**
 841      * Show loading dialog
 842      */
 843     public void showLoadingDialog() {
 844         // Construct dialog
 845         LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
 846         FragmentManager fm = getSupportFragmentManager();
 847         FragmentTransaction ft = fm.beginTransaction();
 848         loading.show(ft, DIALOG_WAIT_TAG);
 849
 850     }
 851
 852     /**
 853      * Dismiss loading dialog
 854      */
 855     public void dismissLoadingDialog(){
 856         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 857       if (frag != null) {
 858           LoadingDialog loading = (LoadingDialog) frag;
 859             loading.dismiss();
 860         }
 861     }
 862
 863
 864     /**
 865      * Translates a content URI of an image to a physical path
 866      * on the disk
 867      * @param uri The URI to resolve
 868      * @return The path to the image or null if it could not be found
 869      */
 870     public String getPath(Uri uri) {
 871         String[] projection = { MediaStore.Images.Media.DATA };
 872         Cursor cursor = managedQuery(uri, projection, null, null, null);
 873         if (cursor != null) {
 874             int column_index = cursor
 875                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 876             cursor.moveToFirst();
 877             return cursor.getString(column_index);
 878         }
 879         return null;
 880     }
 881
 882     /**
 883      * Pushes a directory to the drop down list
 884      * @param directory to push
 885      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 886      */
 887     public void pushDirname(OCFile directory) {
 888         if(!directory.isFolder()){
 889             throw new IllegalArgumentException("Only directories may be pushed!");
 890         }
 891         mDirectories.insert(directory.getFileName(), 0);
 892         setFile(directory);
 893     }
 894
 895     /**
 896      * Pops a directory name from the drop down list
 897      * @return True, unless the stack is empty
 898      */
 899     public boolean popDirname() {
 900         mDirectories.remove(mDirectories.getItem(0));
 901         return !mDirectories.isEmpty();
 902     }
 903
 904     // Custom array adapter to override text colors
 905     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 906
 907         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 908             super(ctx, view);
 909         }
 910
 911         public View getView(int position, View convertView, ViewGroup parent) {
 912             View v = super.getView(position, convertView, parent);
 913
 914             ((TextView) v).setTextColor(getResources().getColorStateList(
 915                     android.R.color.white));
 916
 917             fixRoot((TextView) v );
 918             return v;
 919         }
 920
 921         public View getDropDownView(int position, View convertView,
 922                 ViewGroup parent) {
 923             View v = super.getDropDownView(position, convertView, parent);
 924
 925             ((TextView) v).setTextColor(getResources().getColorStateList(
 926                     android.R.color.white));
 927
 928             fixRoot((TextView) v );
 929             return v;
 930         }
 931
 932         private void fixRoot(TextView v) {
 933             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 934                 v.setText(R.string.default_display_name_for_root_folder);
 935             }
 936         }
 937
 938     }
 939
 940     private class SyncBroadcastReceiver extends BroadcastReceiver {
 941
 942         /**
 943          * {@link BroadcastReceiver} to enable syncing feedback in UI
 944          */
 945         @Override
 946         public void onReceive(Context context, Intent intent) {
 947             String event = intent.getAction();
 948             String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 949             String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 950             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 951             boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && mStorageManager != null);
 952
 953             if (sameAccount) {
 954
 955                 if (!FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 956
 957                     OCFile currentFile = (getFile() == null) ? null : mStorageManager.getFileByPath(getFile().getRemotePath());
 958                     OCFile currentDir = (getCurrentDir() == null) ? null : mStorageManager.getFileByPath(getCurrentDir().getRemotePath());
 959
 960                     if (currentDir == null) {
 961                         // current folder was removed from the server
 962                         Toast.makeText( FileDisplayActivity.this,
 963                                         String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 964                                         Toast.LENGTH_LONG)
 965                             .show();
 966                         browseToRoot();
 967
 968                     } else {
 969                         if (currentFile == null && !getFile().isFolder()) {
 970                             // currently selected file was removed in the server, and now we know it
 971                             cleanSecondFragment();
 972                             currentFile = currentDir;
 973                         }
 974
 975                         if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 976                             OCFileListFragment fileListFragment = getListOfFilesFragment();
 977                             if (fileListFragment != null) {
 978                                 fileListFragment.listDirectory(currentDir);
 979                             }
 980                         }
 981                         setFile(currentFile);
 982                     }
 983
 984                     mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) &&
 985                                         !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED.equals(event) &&
 986                                         (synchResult == null || synchResult.isSuccess())) ;
 987
 988                     if (synchResult != null &&
 989                         synchResult.isSuccess() &&
 990                             (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED.equals(event) ||
 991                                 FileSyncAdapter.EVENT_FOLDER_CONTENTS_SYNCED.equals(event)
 992                             )
 993                         ) {
 994                         startGetShares();
 995                     }
 996
 997                 }
 998                 //removeStickyBroadcast(intent);
 999                 setSupportProgressBarIndeterminateVisibility(mSyncInProgress || mRefreshSharesInProgress);
1000             }
1001
1002             if (synchResult != null) {
1003                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
1004                     mLastSslUntrustedServerResult = synchResult;
1005                     showDialog(DIALOG_SSL_VALIDATOR);
1006                 }
1007             }
1008         }
1009     }
1010
1011
1012     private class UploadFinishReceiver extends BroadcastReceiver {
1013         /**
1014          * Once the file upload has finished -> update view
1015          *  @author David A. Velasco
1016          * {@link BroadcastReceiver} to enable upload feedback in UI
1017          */
1018         @Override
1019         public void onReceive(Context context, Intent intent) {
1020             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1021             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1022             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1023             OCFile currentDir = getCurrentDir();
1024             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) && (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1025             if (sameAccount && isDescendant) {
1026                 refeshListOfFilesFragment();
1027             }
1028         }
1029
1030     }
1031
1032
1033     /**
1034      * Class waiting for broadcast events from the {@link FielDownloader} service.
1035      *
1036      * Updates the UI when a download is started or finished, provided that it is relevant for the
1037      * current folder.
1038      */
1039     private class DownloadFinishReceiver extends BroadcastReceiver {
1040         @Override
1041         public void onReceive(Context context, Intent intent) {
1042             boolean sameAccount = isSameAccount(context, intent);
1043             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1044             boolean isDescendant = isDescendant(downloadedRemotePath);
1045
1046             if (sameAccount && isDescendant) {
1047                 refeshListOfFilesFragment();
1048                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1049             }
1050
1051             removeStickyBroadcast(intent);
1052         }
1053
1054         private boolean isDescendant(String downloadedRemotePath) {
1055             OCFile currentDir = getCurrentDir();
1056             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1057         }
1058
1059         private boolean isSameAccount(Context context, Intent intent) {
1060             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1061             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1062         }
1063     }
1064
1065
1066     /**
1067      * Class waiting for broadcast events from the {@link OperationsService}.
1068      *
1069      * Updates the list of files when a get for shares is finished; at this moment the refresh of shares is the only
1070      * operation performed in {@link OperationsService}.
1071      *
1072      * In the future will handle the progress or finalization of all the operations performed in {@link OperationsService},
1073      * probably all the operations associated to the app model.
1074      */
1075     private class OperationsServiceReceiver extends BroadcastReceiver {
1076
1077         @Override
1078         public void onReceive(Context context, Intent intent) {
1079             if (OperationsService.ACTION_OPERATION_ADDED.equals(intent.getAction())) {
1080
1081             } else if (OperationsService.ACTION_OPERATION_FINISHED.equals(intent.getAction())) {
1082                 mRefreshSharesInProgress = false;
1083
1084                 Account account = intent.getParcelableExtra(OperationsService.EXTRA_ACCOUNT);
1085                 RemoteOperationResult getSharesResult = (RemoteOperationResult)intent.getSerializableExtra(OperationsService.EXTRA_RESULT);
1086                 if (getAccount() != null && account.name.equals(getAccount().name)
1087                         && mStorageManager != null
1088                         ) {
1089                     refeshListOfFilesFragment();
1090                 }
1091                 if ((getSharesResult != null) &&
1092                         RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED.equals(getSharesResult.getCode())) {
1093                     mLastSslUntrustedServerResult = getSharesResult;
1094                     showDialog(DIALOG_SSL_VALIDATOR);
1095                 }
1096
1097                 setSupportProgressBarIndeterminateVisibility(mRefreshSharesInProgress || mSyncInProgress);
1098             }
1099
1100         }
1101
1102     }
1103
1104
1105     /**
1106      * {@inheritDoc}
1107      */
1108     @Override
1109     public FileDataStorageManager getStorageManager() {
1110         return mStorageManager;
1111     }
1112
1113
1114     public void browseToRoot() {
1115         OCFileListFragment listOfFiles = getListOfFilesFragment();
1116         if (listOfFiles != null) {  // should never be null, indeed
1117             while (mDirectories.getCount() > 1) {
1118                 popDirname();
1119             }
1120             OCFile root = mStorageManager.getFileByPath(OCFile.ROOT_PATH);
1121             listOfFiles.listDirectory(root);
1122             setFile(listOfFiles.getCurrentFile());
1123             startSyncFolderOperation(root);
1124         }
1125         cleanSecondFragment();
1126     }
1127
1128
1129     public void browseTo(OCFile folder) {
1130         if (folder == null || !folder.isFolder()) {
1131             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1132         }
1133         OCFileListFragment listOfFiles = getListOfFilesFragment();
1134         if (listOfFiles != null) {
1135             setNavigationListWithFolder(folder);
1136             listOfFiles.listDirectory(folder);
1137             setFile(listOfFiles.getCurrentFile());
1138             startSyncFolderOperation(folder);
1139         } else {
1140             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1141         }
1142         cleanSecondFragment();
1143     }
1144
1145
1146     /**
1147      * {@inheritDoc}
1148      *
1149      * Updates action bar and second fragment, if in dual pane mode.
1150      */
1151     @Override
1152     public void onBrowsedDownTo(OCFile directory) {
1153         pushDirname(directory);
1154         cleanSecondFragment();
1155
1156         // Sync Folder
1157         startSyncFolderOperation(directory);
1158
1159     }
1160
1161     /**
1162      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1163      *
1164      * @param file                      Image {@link OCFile} to show.
1165      */
1166     @Override
1167     public void startImagePreview(OCFile file) {
1168         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1169         showDetailsIntent.putExtra(EXTRA_FILE, file);
1170         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1171         startActivity(showDetailsIntent);
1172     }
1173
1174     /**
1175      * Stars the preview of an already down media {@link OCFile}.
1176      *
1177      * @param file                      Media {@link OCFile} to preview.
1178      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1179      * @param autoplay                  When 'true', the playback will start without user interactions.
1180      */
1181     @Override
1182     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1183         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1184         setSecondFragment(mediaFragment);
1185         updateFragmentsVisibility(true);
1186         updateNavigationElementsInActionBar(file);
1187         setFile(file);
1188     }
1189
1190     /**
1191      * Requests the download of the received {@link OCFile} , updates the UI
1192      * to monitor the download progress and prepares the activity to preview
1193      * or open the file when the download finishes.
1194      *
1195      * @param file          {@link OCFile} to download and preview.
1196      */
1197     @Override
1198     public void startDownloadForPreview(OCFile file) {
1199         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1200         setSecondFragment(detailFragment);
1201         mWaitingToPreview = file;
1202         requestForDownload();
1203         updateFragmentsVisibility(true);
1204         updateNavigationElementsInActionBar(file);
1205         setFile(file);
1206     }
1207
1208
1209     /**
1210      * Shows the information of the {@link OCFile} received as a
1211      * parameter in the second fragment.
1212      *
1213      * @param file          {@link OCFile} whose details will be shown
1214      */
1215     @Override
1216     public void showDetails(OCFile file) {
1217         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1218         setSecondFragment(detailFragment);
1219         updateFragmentsVisibility(true);
1220         updateNavigationElementsInActionBar(file);
1221         setFile(file);
1222     }
1223
1224
1225     /**
1226      * TODO
1227      */
1228     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1229         ActionBar actionBar = getSupportActionBar();
1230         if (chosenFile == null || mDualPane) {
1231             // only list of files - set for browsing through folders
1232             OCFile currentDir = getCurrentDir();
1233             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1234             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1235             actionBar.setDisplayShowTitleEnabled(!noRoot);
1236             if (!noRoot) {
1237                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1238             }
1239             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1240             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1241
1242         } else {
1243             actionBar.setDisplayHomeAsUpEnabled(true);
1244             actionBar.setDisplayShowTitleEnabled(true);
1245             actionBar.setTitle(chosenFile.getFileName());
1246             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1247         }
1248     }
1249
1250
1251     /**
1252      * {@inheritDoc}
1253      */
1254     @Override
1255     public void onFileStateChanged() {
1256         refeshListOfFilesFragment();
1257         updateNavigationElementsInActionBar(getSecondFragment().getFile());
1258     }
1259
1260
1261     /**
1262      * {@inheritDoc}
1263      */
1264     @Override
1265     public FileDownloaderBinder getFileDownloaderBinder() {
1266         return mDownloaderBinder;
1267     }
1268
1269
1270     /**
1271      * {@inheritDoc}
1272      */
1273     @Override
1274     public FileUploaderBinder getFileUploaderBinder() {
1275         return mUploaderBinder;
1276     }
1277
1278
1279     /** Defines callbacks for service binding, passed to bindService() */
1280     private class ListServiceConnection implements ServiceConnection {
1281
1282         @Override
1283         public void onServiceConnected(ComponentName component, IBinder service) {
1284             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1285                 Log_OC.d(TAG, "Download service connected");
1286                 mDownloaderBinder = (FileDownloaderBinder) service;
1287                 if (mWaitingToPreview != null) {
1288                     requestForDownload();
1289                 }
1290
1291             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1292                 Log_OC.d(TAG, "Upload service connected");
1293                 mUploaderBinder = (FileUploaderBinder) service;
1294             } else {
1295                 return;
1296             }
1297             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1298             OCFileListFragment listOfFiles = getListOfFilesFragment();
1299             if (listOfFiles != null) {
1300                 listOfFiles.listDirectory();
1301             }
1302             FileFragment secondFragment = getSecondFragment();
1303             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1304                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1305                 detailFragment.listenForTransferProgress();
1306                 detailFragment.updateFileDetails(false, false);
1307             }
1308         }
1309
1310         @Override
1311         public void onServiceDisconnected(ComponentName component) {
1312             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1313                 Log_OC.d(TAG, "Download service disconnected");
1314                 mDownloaderBinder = null;
1315             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1316                 Log_OC.d(TAG, "Upload service disconnected");
1317                 mUploaderBinder = null;
1318             }
1319         }
1320     };
1321
1322
1323
1324     /**
1325      * Launch an intent to request the PIN code to the user before letting him use the app
1326      */
1327     private void requestPinCode() {
1328         boolean pinStart = false;
1329         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1330         pinStart = appPrefs.getBoolean("set_pincode", false);
1331         if (pinStart) {
1332             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1333             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1334             startActivity(i);
1335         }
1336     }
1337
1338
1339     @Override
1340     public void onSavedCertificate() {
1341         startSyncFolderOperation(getCurrentDir());
1342     }
1343
1344
1345     @Override
1346     public void onFailedSavingCertificate() {
1347         showDialog(DIALOG_CERT_NOT_SAVED);
1348     }
1349
1350
1351     /**
1352      * Updates the view associated to the activity after the finish of some operation over files
1353      * in the current account.
1354      *
1355      * @param operation     Removal operation performed.
1356      * @param result        Result of the removal.
1357      */
1358     @Override
1359     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1360         if (operation instanceof RemoveFileOperation) {
1361             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1362
1363         } else if (operation instanceof RenameFileOperation) {
1364             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1365
1366         } else if (operation instanceof SynchronizeFileOperation) {
1367             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1368
1369         } else if (operation instanceof CreateFolderOperation) {
1370             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1371         }
1372     }
1373
1374
1375     /**
1376      * Updates the view associated to the activity after the finish of an operation trying to remove a
1377      * file.
1378      *
1379      * @param operation     Removal operation performed.
1380      * @param result        Result of the removal.
1381      */
1382     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1383         dismissLoadingDialog();
1384         if (result.isSuccess()) {
1385             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1386             msg.show();
1387             OCFile removedFile = operation.getFile();
1388             getSecondFragment();
1389             FileFragment second = getSecondFragment();
1390             if (second != null && removedFile.equals(second.getFile())) {
1391                 cleanSecondFragment();
1392             }
1393             if (mStorageManager.getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1394                 refeshListOfFilesFragment();
1395             }
1396
1397         } else {
1398             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1399             msg.show();
1400             if (result.isSslRecoverableException()) {
1401                 mLastSslUntrustedServerResult = result;
1402                 showDialog(DIALOG_SSL_VALIDATOR);
1403             }
1404         }
1405     }
1406
1407     /**
1408      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1409      *
1410      * @param operation     Creation operation performed.
1411      * @param result        Result of the creation.
1412      */
1413     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1414         if (result.isSuccess()) {
1415             dismissLoadingDialog();
1416             refeshListOfFilesFragment();
1417
1418         } else {
1419             dismissLoadingDialog();
1420             if (result.getCode() == ResultCode.INVALID_CHARACTER_IN_NAME) {
1421                 Toast.makeText(FileDisplayActivity.this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG).show();
1422             } else {
1423             try {
1424                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
1425                 msg.show();
1426
1427             } catch (NotFoundException e) {
1428                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1429             }
1430             }
1431         }
1432     }
1433
1434
1435     /**
1436      * Updates the view associated to the activity after the finish of an operation trying to rename a
1437      * file.
1438      *
1439      * @param operation     Renaming operation performed.
1440      * @param result        Result of the renaming.
1441      */
1442     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1443         dismissLoadingDialog();
1444         OCFile renamedFile = operation.getFile();
1445         if (result.isSuccess()) {
1446             if (mDualPane) {
1447                 FileFragment details = getSecondFragment();
1448                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1449                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1450                 }
1451             }
1452             if (mStorageManager.getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1453                 refeshListOfFilesFragment();
1454             }
1455
1456         } else {
1457             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1458                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1459                 msg.show();
1460                 // TODO throw again the new rename dialog
1461             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
1462                 Toast msg = Toast.makeText(this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
1463                 msg.show();
1464             } else {
1465                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1466                 msg.show();
1467                 if (result.isSslRecoverableException()) {
1468                     mLastSslUntrustedServerResult = result;
1469                     showDialog(DIALOG_SSL_VALIDATOR);
1470                 }
1471             }
1472         }
1473     }
1474
1475
1476     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1477         dismissLoadingDialog();
1478         OCFile syncedFile = operation.getLocalFile();
1479         if (!result.isSuccess()) {
1480             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1481                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1482                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1483                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1484                 startActivity(i);
1485
1486             }
1487
1488         } else {
1489             if (operation.transferWasRequested()) {
1490                 refeshListOfFilesFragment();
1491                 onTransferStateChanged(syncedFile, true, true);
1492
1493             } else {
1494                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1495                 msg.show();
1496             }
1497         }
1498     }
1499
1500
1501     /**
1502      * {@inheritDoc}
1503      */
1504     @Override
1505     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1506         if (mDualPane) {
1507             FileFragment details = getSecondFragment();
1508             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1509                 if (downloading || uploading) {
1510                     ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1511                 } else {
1512                     ((FileDetailFragment)details).updateFileDetails(false, true);
1513                 }
1514             }
1515         }
1516     }
1517
1518
1519     public void onDismiss(EditNameDialog dialog) {
1520         if (dialog.getResult()) {
1521             String newDirectoryName = dialog.getNewFilename().trim();
1522             Log_OC.d(TAG, "'create directory' dialog dismissed with new name " + newDirectoryName);
1523             if (newDirectoryName.length() > 0) {
1524                 String path = getCurrentDir().getRemotePath();
1525
1526                 // Create directory
1527                 path += newDirectoryName + OCFile.PATH_SEPARATOR;
1528                 RemoteOperation operation = new CreateFolderOperation(path, false, mStorageManager);
1529                 operation.execute(  getAccount(),
1530                         FileDisplayActivity.this,
1531                         FileDisplayActivity.this,
1532                         mHandler,
1533                         FileDisplayActivity.this);
1534
1535                 showLoadingDialog();
1536             }
1537         }
1538     }
1539
1540
1541     private void requestForDownload() {
1542         Account account = getAccount();
1543         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1544             Intent i = new Intent(this, FileDownloader.class);
1545             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1546             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1547             startService(i);
1548         }
1549     }
1550
1551
1552     private OCFile getCurrentDir() {
1553         OCFile file = getFile();
1554         if (file != null) {
1555             if (file.isFolder()) {
1556                 return file;
1557             } else if (mStorageManager != null) {
1558                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1559                 return mStorageManager.getFileByPath(parentPath);
1560             }
1561         }
1562         return null;
1563     }
1564
1565     public void startSyncFolderOperation(OCFile folder) {
1566         long currentSyncTime = System.currentTimeMillis();
1567
1568         mSyncInProgress = true;
1569
1570         // perform folder synchronization
1571         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1572                                                                         currentSyncTime,
1573                                                                         false,
1574                                                                         getStorageManager(),
1575                                                                         getAccount(),
1576                                                                         getApplicationContext()
1577                                                                       );
1578         synchFolderOp.execute(getAccount(), this, null, null, this);
1579
1580         setSupportProgressBarIndeterminateVisibility(true);
1581     }
1582
1583
1584     private void startGetShares() {
1585         // Get shared files/folders
1586         Intent intent = new Intent(this, OperationsService.class);
1587         intent.putExtra(OperationsService.EXTRA_ACCOUNT, getAccount());
1588         startService(intent);
1589
1590         mRefreshSharesInProgress = true;
1591     }
1592
1593 }