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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.app.AlertDialog;
  29 import android.app.Dialog;
  30 import android.app.ProgressDialog;
  31 import android.content.BroadcastReceiver;
  32 import android.content.ComponentName;
  33 import android.content.ContentResolver;
  34 import android.content.Context;
  35 import android.content.DialogInterface;
  36 import android.content.Intent;
  37 import android.content.IntentFilter;
  38 import android.content.ServiceConnection;
  39 import android.content.SharedPreferences;
  40 import android.content.SyncRequest;
  41 import android.content.res.Resources.NotFoundException;
  42 import android.database.Cursor;
  43 import android.net.Uri;
  44 import android.os.Bundle;
  45 import android.os.IBinder;
  46 import android.preference.PreferenceManager;
  47 import android.provider.MediaStore;
  48 import android.support.v4.app.Fragment;
  49 import android.support.v4.app.FragmentManager;
  50 import android.support.v4.app.FragmentTransaction;
  51 import android.util.Log;
  52 import android.view.View;
  53 import android.view.ViewGroup;
  54 import android.widget.ArrayAdapter;
  55 import android.widget.TextView;
  56 import android.widget.Toast;
  57
  58 import com.actionbarsherlock.app.ActionBar;
  59 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  60 import com.actionbarsherlock.view.Menu;
  61 import com.actionbarsherlock.view.MenuInflater;
  62 import com.actionbarsherlock.view.MenuItem;
  63 import com.actionbarsherlock.view.Window;
  64 import com.owncloud.android.MainApp;
  65 import com.owncloud.android.R;
  66 import com.owncloud.android.datamodel.OCFile;
  67 import com.owncloud.android.files.services.FileDownloader;
  68 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  69 import com.owncloud.android.files.services.FileUploader;
  70 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  71 import com.owncloud.android.lib.common.OwnCloudAccount;
  72 import com.owncloud.android.lib.common.OwnCloudClient;
  73 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  74 import com.owncloud.android.lib.common.OwnCloudCredentials;
  75 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  76 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  77 import com.owncloud.android.lib.common.operations.RemoteOperation;
  78 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  80 import com.owncloud.android.operations.CreateFolderOperation;
  81 import com.owncloud.android.operations.CreateShareOperation;
  82 import com.owncloud.android.operations.RemoveFileOperation;
  83 import com.owncloud.android.operations.RenameFileOperation;
  84 import com.owncloud.android.operations.SynchronizeFileOperation;
  85 import com.owncloud.android.operations.SynchronizeFolderOperation;
  86 import com.owncloud.android.operations.UnshareLinkOperation;
  87 import com.owncloud.android.services.observer.FileObserverService;
  88 import com.owncloud.android.syncadapter.FileSyncAdapter;
  89 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  90 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  91 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  92 import com.owncloud.android.ui.fragment.FileDetailFragment;
  93 import com.owncloud.android.ui.fragment.FileFragment;
  94 import com.owncloud.android.ui.fragment.OCFileListFragment;
  95 import com.owncloud.android.ui.preview.PreviewImageActivity;
  96 import com.owncloud.android.ui.preview.PreviewImageFragment;
  97 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  98 import com.owncloud.android.ui.preview.PreviewVideoActivity;
  99 import com.owncloud.android.utils.DisplayUtils;
 100 import com.owncloud.android.utils.ErrorMessageAdapter;
 101 import com.owncloud.android.utils.Log_OC;
 102
 103
 104 /**
 105  * Displays, what files the user has available in his ownCloud.
 106  *
 107  * @author Bartek Przybylski
 108  * @author David A. Velasco
 109  */
 110
 111 public class FileDisplayActivity extends HookActivity implements
 112 FileFragment.ContainerActivity, OnNavigationListener, OnSslUntrustedCertListener {
 113
 114     private ArrayAdapter<String> mDirectories;
 115
 116     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 117     private UploadFinishReceiver mUploadFinishReceiver;
 118     private DownloadFinishReceiver mDownloadFinishReceiver;
 119     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 120
 121     private boolean mDualPane;
 122     private View mLeftFragmentContainer;
 123     private View mRightFragmentContainer;
 124
 125     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 126     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 127     private static final String KEY_WAITING_TO_SEND = "WAITING_TO_SEND";
 128
 129     public static final int DIALOG_SHORT_WAIT = 0;
 130     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 131     private static final int DIALOG_CERT_NOT_SAVED = 2;
 132
 133     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 134
 135     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 136     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 137
 138     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 139
 140     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 141     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 142
 143     private OCFile mWaitingToPreview;
 144
 145     private boolean mSyncInProgress = false;
 146
 147     private String DIALOG_UNTRUSTED_CERT;
 148
 149     private OCFile mWaitingToSend;
 150
 151     @Override
 152     protected void onCreate(Bundle savedInstanceState) {
 153         Log_OC.d(TAG, "onCreate() start");
 154         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 155
 156         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 157
 158         // PIN CODE request ;  best location is to decide, let's try this first
 159         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 160             requestPinCode();
 161         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 162             requestPinCode();
 163         }
 164
 165         /// grant that FileObserverService is watching favourite files
 166         if (savedInstanceState == null) {
 167             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 168             startService(initObserversIntent);
 169         }
 170
 171         /// Load of saved instance state
 172         if(savedInstanceState != null) {
 173             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 174             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 175             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 176
 177         } else {
 178             mWaitingToPreview = null;
 179             mSyncInProgress = false;
 180             mWaitingToSend = null;
 181         }
 182
 183         /// USER INTERFACE
 184
 185         // Inflate and set the layout view
 186         setContentView(R.layout.files);
 187         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 188         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 189         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 190         if (savedInstanceState == null) {
 191             createMinFragments();
 192         }
 193
 194         // Action bar setup
 195         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 196         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 197         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 198
 199         setBackgroundText();
 200
 201         Log_OC.d(TAG, "onCreate() end");
 202     }
 203
 204     @Override
 205     protected void onStart() {
 206         super.onStart();
 207         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 208     }
 209
 210     @Override
 211     protected void onDestroy() {
 212         super.onDestroy();
 213     }
 214
 215     /**
 216      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 217      */
 218     @Override
 219     protected void onAccountSet(boolean stateWasRecovered) {
 220         super.onAccountSet(stateWasRecovered);
 221         if (getAccount() != null) {
 222             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 223             OCFile file = getFile();
 224             // get parent from path
 225             String parentPath = "";
 226             if (file != null) {
 227                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 228                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 229                     // get parent from path
 230                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 231                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 232                         file = null; // not able to know the directory where the file is uploading
 233                 } else {
 234                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 235                 }
 236             }
 237             if (file == null) {
 238                 // fall back to root folder
 239                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 240             }
 241             setFile(file);
 242             setNavigationListWithFolder(file);
 243
 244             if (!stateWasRecovered) {
 245                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 246                 initFragmentsWithFile();
 247                 if (file.isFolder()) {
 248                     startSyncFolderOperation(file);
 249                 }
 250
 251             } else {
 252                 updateFragmentsVisibility(!file.isFolder());
 253                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 254             }
 255         }
 256     }
 257
 258
 259     private void setNavigationListWithFolder(OCFile file) {
 260         mDirectories.clear();
 261         OCFile fileIt = file;
 262         String parentPath;
 263         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 264             if (fileIt.isFolder()) {
 265                 mDirectories.add(fileIt.getFileName());
 266             }
 267             // get parent from path
 268             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 269             fileIt = getStorageManager().getFileByPath(parentPath);
 270         }
 271         mDirectories.add(OCFile.PATH_SEPARATOR);
 272     }
 273
 274
 275     private void createMinFragments() {
 276         OCFileListFragment listOfFiles = new OCFileListFragment();
 277         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 278         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 279         transaction.commit();
 280     }
 281
 282     private void initFragmentsWithFile() {
 283         if (getAccount() != null && getFile() != null) {
 284             /// First fragment
 285             OCFileListFragment listOfFiles = getListOfFilesFragment();
 286             if (listOfFiles != null) {
 287                 listOfFiles.listDirectory(getCurrentDir());
 288             } else {
 289                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 290             }
 291
 292             /// Second fragment
 293             OCFile file = getFile();
 294             Fragment secondFragment = chooseInitialSecondFragment(file);
 295             if (secondFragment != null) {
 296                 setSecondFragment(secondFragment);
 297                 updateFragmentsVisibility(true);
 298                 updateNavigationElementsInActionBar(file);
 299
 300             } else {
 301                 cleanSecondFragment();
 302             }
 303
 304         } else {
 305             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 306             if (getAccount() == null) {
 307                 Log.wtf(TAG, "\t account is NULL");
 308             }
 309             if (getFile() == null) {
 310                 Log.wtf(TAG, "\t file is NULL");
 311             }
 312         }
 313     }
 314
 315     private Fragment chooseInitialSecondFragment(OCFile file) {
 316         Fragment secondFragment = null;
 317         if (file != null && !file.isFolder()) {
 318             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 319                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 320                     ) {
 321                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 322                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 323                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 324
 325             } else {
 326                 secondFragment = new FileDetailFragment(file, getAccount());
 327             }
 328         }
 329         return secondFragment;
 330     }
 331
 332
 333     /**
 334      * Replaces the second fragment managed by the activity with the received as
 335      * a parameter.
 336      *
 337      * Assumes never will be more than two fragments managed at the same time.
 338      *
 339      * @param fragment      New second Fragment to set.
 340      */
 341     private void setSecondFragment(Fragment fragment) {
 342         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 343         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 344         transaction.commit();
 345     }
 346
 347
 348     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 349         if (mDualPane) {
 350             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 351                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 352             }
 353             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 354                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 355             }
 356
 357         } else if (existsSecondFragment) {
 358             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 359                 mLeftFragmentContainer.setVisibility(View.GONE);
 360             }
 361             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 362                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 363             }
 364
 365         } else {
 366             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 367                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 368             }
 369             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 370                 mRightFragmentContainer.setVisibility(View.GONE);
 371             }
 372         }
 373     }
 374
 375
 376     private OCFileListFragment getListOfFilesFragment() {
 377         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 378         if (listOfFiles != null) {
 379             return (OCFileListFragment)listOfFiles;
 380         }
 381         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 382         return null;
 383     }
 384
 385     public FileFragment getSecondFragment() {
 386         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 387         if (second != null) {
 388             return (FileFragment)second;
 389         }
 390         return null;
 391     }
 392
 393     protected void cleanSecondFragment() {
 394         Fragment second = getSecondFragment();
 395         if (second != null) {
 396             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 397             tr.remove(second);
 398             tr.commit();
 399         }
 400         updateFragmentsVisibility(false);
 401         updateNavigationElementsInActionBar(null);
 402     }
 403
 404     protected void refreshListOfFilesFragment() {
 405         OCFileListFragment fileListFragment = getListOfFilesFragment();
 406         if (fileListFragment != null) {
 407             fileListFragment.listDirectory();
 408         }
 409     }
 410
 411     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 412         FileFragment secondFragment = getSecondFragment();
 413         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 414         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 415             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 416             OCFile fileInFragment = detailsFragment.getFile();
 417             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 418                 // the user browsed to other file ; forget the automatic preview
 419                 mWaitingToPreview = null;
 420
 421             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 422                 // grant that the right panel updates the progress bar
 423                 detailsFragment.listenForTransferProgress();
 424                 detailsFragment.updateFileDetails(true, false);
 425
 426             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 427                 //  update the right panel
 428                 boolean detailsFragmentChanged = false;
 429                 if (waitedPreview) {
 430                     if (success) {
 431                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 432                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 433                             startMediaPreview(mWaitingToPreview, 0, true);
 434                             detailsFragmentChanged = true;
 435                         } else {
 436                             getFileOperationsHelper().openFile(mWaitingToPreview);
 437                         }
 438                     }
 439                     mWaitingToPreview = null;
 440                 }
 441                 if (!detailsFragmentChanged) {
 442                     detailsFragment.updateFileDetails(false, (success));
 443                 }
 444             }
 445         }
 446     }
 447
 448     @Override
 449     public boolean onCreateOptionsMenu(Menu menu) {
 450         MenuInflater inflater = getSherlock().getMenuInflater();
 451         inflater.inflate(R.menu.main_menu, menu);
 452         return true;
 453     }
 454
 455     @Override
 456     public boolean onOptionsItemSelected(MenuItem item) {
 457         boolean retval = true;
 458         switch (item.getItemId()) {
 459         case R.id.action_create_dir: {
 460             CreateFolderDialogFragment dialog =
 461                     CreateFolderDialogFragment.newInstance(getCurrentDir());
 462             dialog.show(getSupportFragmentManager(), "createdirdialog");
 463             break;
 464         }
 465         case R.id.action_sync_account: {
 466             startSynchronization();
 467             break;
 468         }
 469         case R.id.action_upload: {
 470             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 471             break;
 472         }
 473         case R.id.action_settings: {
 474             Intent settingsIntent = new Intent(this, Preferences.class);
 475             startActivity(settingsIntent);
 476             break;
 477         }
 478         case android.R.id.home: {
 479             FileFragment second = getSecondFragment();
 480             OCFile currentDir = getCurrentDir();
 481             if((currentDir != null && currentDir.getParentId() != 0) ||
 482                     (second != null && second.getFile() != null)) {
 483                 onBackPressed();
 484
 485             }
 486             break;
 487         }
 488         default:
 489             retval = super.onOptionsItemSelected(item);
 490         }
 491         return retval;
 492     }
 493
 494     private void startSynchronization() {
 495         Log_OC.e(TAG, "Got to start sync");
 496         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 497             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 498             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 499             Bundle bundle = new Bundle();
 500             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 501             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 502             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 503             ContentResolver.requestSync(
 504                     getAccount(),
 505                     MainApp.getAuthority(), bundle);
 506         } else {
 507             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 508             SyncRequest.Builder builder = new SyncRequest.Builder();
 509             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 510             builder.setExpedited(true);
 511             builder.setManual(true);
 512             builder.syncOnce();
 513             SyncRequest request = builder.build();
 514             ContentResolver.requestSync(request);
 515         }
 516     }
 517
 518
 519     @Override
 520     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 521         if (itemPosition != 0) {
 522             String targetPath = "";
 523             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 524                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 525             }
 526             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 527             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 528             if (targetFolder != null) {
 529                 browseTo(targetFolder);
 530             }
 531
 532             // the next operation triggers a new call to this method, but it's necessary to
 533             // ensure that the name exposed in the action bar is the current directory when the
 534             // user selected it in the navigation list
 535             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 536                 getSupportActionBar().setSelectedNavigationItem(0);
 537         }
 538         return true;
 539     }
 540
 541     /**
 542      * Called, when the user selected something for uploading
 543      */
 544     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 545         super.onActivityResult(requestCode, resultCode, data);
 546
 547         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 548             requestSimpleUpload(data, resultCode);
 549
 550         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 551             requestMultipleUpload(data, resultCode);
 552
 553         }
 554     }
 555
 556     private void requestMultipleUpload(Intent data, int resultCode) {
 557         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 558         if (filePaths != null) {
 559             String[] remotePaths = new String[filePaths.length];
 560             String remotePathBase = "";
 561             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 562                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 563             }
 564             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 565                 remotePathBase += OCFile.PATH_SEPARATOR;
 566             for (int j = 0; j< remotePaths.length; j++) {
 567                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 568             }
 569
 570             Intent i = new Intent(this, FileUploader.class);
 571             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 572             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 573             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 574             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 575             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 576                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 577             startService(i);
 578
 579         } else {
 580             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 581             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 582             t.show();
 583             return;
 584         }
 585     }
 586
 587
 588     private void requestSimpleUpload(Intent data, int resultCode) {
 589         String filepath = null;
 590         try {
 591             Uri selectedImageUri = data.getData();
 592
 593             String filemanagerstring = selectedImageUri.getPath();
 594             String selectedImagePath = getPath(selectedImageUri);
 595
 596             if (selectedImagePath != null)
 597                 filepath = selectedImagePath;
 598             else
 599                 filepath = filemanagerstring;
 600
 601         } catch (Exception e) {
 602             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 603             e.printStackTrace();
 604
 605         } finally {
 606             if (filepath == null) {
 607                 Log_OC.e(TAG, "Couldnt resolve path to file");
 608                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 609                 t.show();
 610                 return;
 611             }
 612         }
 613
 614         Intent i = new Intent(this, FileUploader.class);
 615         i.putExtra(FileUploader.KEY_ACCOUNT,
 616                 getAccount());
 617         String remotepath = new String();
 618         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 619             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 620         }
 621         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 622             remotepath += OCFile.PATH_SEPARATOR;
 623         remotepath += new File(filepath).getName();
 624
 625         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 626         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 627         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 628         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 629             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 630         startService(i);
 631     }
 632
 633     @Override
 634     public void onBackPressed() {
 635         OCFileListFragment listOfFiles = getListOfFilesFragment();
 636         if (mDualPane || getSecondFragment() == null) {
 637             if (listOfFiles != null) {  // should never be null, indeed
 638                 if (mDirectories.getCount() <= 1) {
 639                     finish();
 640                     return;
 641                 }
 642                 int levelsUp = listOfFiles.onBrowseUp();
 643                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 644                     popDirname();
 645                 }
 646             }
 647         }
 648         if (listOfFiles != null) {  // should never be null, indeed
 649             setFile(listOfFiles.getCurrentFile());
 650         }
 651         cleanSecondFragment();
 652
 653     }
 654
 655     @Override
 656     protected void onSaveInstanceState(Bundle outState) {
 657         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 658         Log_OC.e(TAG, "onSaveInstanceState() start");
 659         super.onSaveInstanceState(outState);
 660         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 661         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 662         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 663         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND, mWaitingToSend);
 664
 665         Log_OC.d(TAG, "onSaveInstanceState() end");
 666     }
 667
 668
 669
 670     @Override
 671     protected void onResume() {
 672         super.onResume();
 673         Log_OC.e(TAG, "onResume() start");
 674
 675         // refresh list of files
 676         refreshListOfFilesFragment();
 677
 678         // Listen for sync messages
 679         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 680         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 681         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 682         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 683         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 684         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 685         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 686         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 687
 688         // Listen for upload messages
 689         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 690         mUploadFinishReceiver = new UploadFinishReceiver();
 691         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 692
 693         // Listen for download messages
 694         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 695         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 696         mDownloadFinishReceiver = new DownloadFinishReceiver();
 697         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 698
 699         Log_OC.d(TAG, "onResume() end");
 700     }
 701
 702
 703     @Override
 704     protected void onPause() {
 705         Log_OC.e(TAG, "onPause() start");
 706         if (mSyncBroadcastReceiver != null) {
 707             unregisterReceiver(mSyncBroadcastReceiver);
 708             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 709             mSyncBroadcastReceiver = null;
 710         }
 711         if (mUploadFinishReceiver != null) {
 712             unregisterReceiver(mUploadFinishReceiver);
 713             mUploadFinishReceiver = null;
 714         }
 715         if (mDownloadFinishReceiver != null) {
 716             unregisterReceiver(mDownloadFinishReceiver);
 717             mDownloadFinishReceiver = null;
 718         }
 719
 720
 721         Log_OC.d(TAG, "onPause() end");
 722         super.onPause();
 723     }
 724
 725
 726     @Override
 727     protected Dialog onCreateDialog(int id) {
 728         Dialog dialog = null;
 729         AlertDialog.Builder builder;
 730         switch (id) {
 731         case DIALOG_SHORT_WAIT: {
 732             ProgressDialog working_dialog = new ProgressDialog(this);
 733             working_dialog.setMessage(getResources().getString(
 734                     R.string.wait_a_moment));
 735             working_dialog.setIndeterminate(true);
 736             working_dialog.setCancelable(false);
 737             dialog = working_dialog;
 738             break;
 739         }
 740         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 741
 742
 743             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 744                     getString(R.string.actionbar_upload_from_apps) };
 745
 746             builder = new AlertDialog.Builder(this);
 747             builder.setTitle(R.string.actionbar_upload);
 748             builder.setItems(allTheItems, new DialogInterface.OnClickListener() {
 749                 public void onClick(DialogInterface dialog, int item) {
 750                     if (item == 0) {
 751                         // if (!mDualPane) {
 752                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 753                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 754                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 755                             // } else {
 756                             // TODO create and handle new fragment
 757                             // LocalFileListFragment
 758                             // }
 759                     } else if (item == 1) {
 760                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 761                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 762                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 763                                 ACTION_SELECT_CONTENT_FROM_APPS);
 764                     }
 765                 }
 766             });
 767             dialog = builder.create();
 768             break;
 769         }
 770         case DIALOG_CERT_NOT_SAVED: {
 771             builder = new AlertDialog.Builder(this);
 772             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 773             builder.setCancelable(false);
 774             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 775                 @Override
 776                 public void onClick(DialogInterface dialog, int which) {
 777                     dialog.dismiss();
 778                 };
 779             });
 780             dialog = builder.create();
 781             break;
 782         }
 783         default:
 784             dialog = null;
 785         }
 786
 787         return dialog;
 788     }
 789
 790
 791     /**
 792      * Translates a content URI of an image to a physical path
 793      * on the disk
 794      * @param uri The URI to resolve
 795      * @return The path to the image or null if it could not be found
 796      */
 797     public String getPath(Uri uri) {
 798         String[] projection = { MediaStore.Images.Media.DATA };
 799         Cursor cursor = managedQuery(uri, projection, null, null, null);
 800         if (cursor != null) {
 801             int column_index = cursor
 802                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 803             cursor.moveToFirst();
 804             return cursor.getString(column_index);
 805         }
 806         return null;
 807     }
 808
 809     /**
 810      * Pushes a directory to the drop down list
 811      * @param directory to push
 812      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 813      */
 814     public void pushDirname(OCFile directory) {
 815         if(!directory.isFolder()){
 816             throw new IllegalArgumentException("Only directories may be pushed!");
 817         }
 818         mDirectories.insert(directory.getFileName(), 0);
 819         setFile(directory);
 820     }
 821
 822     /**
 823      * Pops a directory name from the drop down list
 824      * @return True, unless the stack is empty
 825      */
 826     public boolean popDirname() {
 827         mDirectories.remove(mDirectories.getItem(0));
 828         return !mDirectories.isEmpty();
 829     }
 830
 831     // Custom array adapter to override text colors
 832     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 833
 834         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 835             super(ctx, view);
 836         }
 837
 838         public View getView(int position, View convertView, ViewGroup parent) {
 839             View v = super.getView(position, convertView, parent);
 840
 841             ((TextView) v).setTextColor(getResources().getColorStateList(
 842                     android.R.color.white));
 843
 844             fixRoot((TextView) v );
 845             return v;
 846         }
 847
 848         public View getDropDownView(int position, View convertView,
 849                 ViewGroup parent) {
 850             View v = super.getDropDownView(position, convertView, parent);
 851
 852             ((TextView) v).setTextColor(getResources().getColorStateList(
 853                     android.R.color.white));
 854
 855             fixRoot((TextView) v );
 856             return v;
 857         }
 858
 859         private void fixRoot(TextView v) {
 860             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 861                 v.setText(R.string.default_display_name_for_root_folder);
 862             }
 863         }
 864
 865     }
 866
 867     private class SyncBroadcastReceiver extends BroadcastReceiver {
 868
 869         /**
 870          * {@link BroadcastReceiver} to enable syncing feedback in UI
 871          */
 872         @Override
 873         public void onReceive(Context context, Intent intent) {
 874             try {
 875                 String event = intent.getAction();
 876                 Log_OC.d(TAG, "Received broadcast " + event);
 877                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 878                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 879                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 880                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 881
 882                 if (sameAccount) {
 883
 884                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 885                         mSyncInProgress = true;
 886
 887                     } else {
 888                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 889                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 890
 891                         if (currentDir == null) {
 892                             // current folder was removed from the server
 893                             Toast.makeText( FileDisplayActivity.this,
 894                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 895                                             Toast.LENGTH_LONG)
 896                                 .show();
 897                             browseToRoot();
 898
 899                         } else {
 900                             if (currentFile == null && !getFile().isFolder()) {
 901                                 // currently selected file was removed in the server, and now we know it
 902                                 cleanSecondFragment();
 903                                 currentFile = currentDir;
 904                             }
 905
 906                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 907                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 908                                 if (fileListFragment != null) {
 909                                     fileListFragment.listDirectory(currentDir);
 910                                 }
 911                             }
 912                             setFile(currentFile);
 913                         }
 914
 915                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 916
 917                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 918                                     equals(event) &&
 919                                 /// TODO refactor and make common
 920                                 synchResult != null && !synchResult.isSuccess() &&
 921                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 922                                     synchResult.isIdPRedirection()                  ||
 923                                     (synchResult.isException() && synchResult.getException()
 924                                             instanceof AuthenticatorException))) {
 925
 926                             OwnCloudClient client = null;
 927                             try {
 928                                 OwnCloudAccount ocAccount =
 929                                         new OwnCloudAccount(getAccount(), context);
 930                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 931                                         removeClientFor(ocAccount));
 932                                 // TODO get rid of these exceptions
 933                             } catch (AccountNotFoundException e) {
 934                                 e.printStackTrace();
 935                             } catch (AuthenticatorException e) {
 936                                 e.printStackTrace();
 937                             } catch (OperationCanceledException e) {
 938                                 e.printStackTrace();
 939                             } catch (IOException e) {
 940                                 e.printStackTrace();
 941                             }
 942
 943                             if (client != null) {
 944                                 OwnCloudCredentials cred = client.getCredentials();
 945                                 if (cred != null) {
 946                                     AccountManager am = AccountManager.get(context);
 947                                     if (cred.authTokenExpires()) {
 948                                         am.invalidateAuthToken(
 949                                                 getAccount().type,
 950                                                 cred.getAuthToken()
 951                                         );
 952                                     } else {
 953                                         am.clearPassword(getAccount());
 954                                     }
 955                                 }
 956                             }
 957
 958                             requestCredentialsUpdate();
 959
 960                         }
 961                     }
 962                     removeStickyBroadcast(intent);
 963                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 964                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 965
 966                     setBackgroundText();
 967
 968                 }
 969
 970                 if (synchResult != null) {
 971                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 972                         mLastSslUntrustedServerResult = synchResult;
 973                     }
 974                 }
 975             } catch (RuntimeException e) {
 976                 // avoid app crashes after changing the serial id of RemoteOperationResult
 977                 // in owncloud library with broadcast notifications pending to process
 978                 removeStickyBroadcast(intent);
 979             }
 980         }
 981     }
 982
 983     /**
 984      * Show a text message on screen view for notifying user if content is
 985      * loading or folder is empty
 986      */
 987     private void setBackgroundText() {
 988         OCFileListFragment ocFileListFragment = getListOfFilesFragment();
 989         if (ocFileListFragment != null) {
 990             int message = R.string.file_list_loading;
 991             if (!mSyncInProgress) {
 992                 // In case file list is empty
 993                 message = R.string.file_list_empty;
 994             }
 995             ocFileListFragment.setMessageForEmptyList(getString(message));
 996         } else {
 997             Log.e(TAG, "OCFileListFragment is null");
 998         }
 999     }
1000
1001     /**
1002      * Once the file upload has finished -> update view
1003      */
1004     private class UploadFinishReceiver extends BroadcastReceiver {
1005         /**
1006          * Once the file upload has finished -> update view
1007          *  @author David A. Velasco
1008          * {@link BroadcastReceiver} to enable upload feedback in UI
1009          */
1010         @Override
1011         public void onReceive(Context context, Intent intent) {
1012             try {
1013                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1014                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1015                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1016                 OCFile currentDir = getCurrentDir();
1017                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1018                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1019
1020                 if (sameAccount && isDescendant) {
1021                     refreshListOfFilesFragment();
1022                 }
1023
1024                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1025                 boolean renamedInUpload = getFile().getRemotePath().
1026                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1027                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1028                         renamedInUpload;
1029                 FileFragment details = getSecondFragment();
1030                 boolean detailFragmentIsShown = (details != null &&
1031                         details instanceof FileDetailFragment);
1032
1033                 if (sameAccount && sameFile && detailFragmentIsShown) {
1034                     if (uploadWasFine) {
1035                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1036                     }
1037                     if (renamedInUpload) {
1038                         String newName = (new File(uploadedRemotePath)).getName();
1039                         Toast msg = Toast.makeText(
1040                                 context,
1041                                 String.format(
1042                                         getString(R.string.filedetails_renamed_in_upload_msg),
1043                                         newName),
1044                                 Toast.LENGTH_LONG);
1045                         msg.show();
1046                     }
1047                     if (uploadWasFine || getFile().fileExists()) {
1048                         ((FileDetailFragment)details).updateFileDetails(false, true);
1049                     } else {
1050                         cleanSecondFragment();
1051                     }
1052
1053                     // Force the preview if the file is an image
1054                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1055                         startImagePreview(getFile());
1056                     } // TODO what about other kind of previews?
1057                 }
1058
1059             } finally {
1060                 if (intent != null) {
1061                     removeStickyBroadcast(intent);
1062                 }
1063             }
1064
1065         }
1066
1067     }
1068
1069
1070     /**
1071      * Class waiting for broadcast events from the {@link FielDownloader} service.
1072      *
1073      * Updates the UI when a download is started or finished, provided that it is relevant for the
1074      * current folder.
1075      */
1076     private class DownloadFinishReceiver extends BroadcastReceiver {
1077         @Override
1078         public void onReceive(Context context, Intent intent) {
1079             try {
1080                 boolean sameAccount = isSameAccount(context, intent);
1081                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1082                 boolean isDescendant = isDescendant(downloadedRemotePath);
1083
1084                 if (sameAccount && isDescendant) {
1085                     refreshListOfFilesFragment();
1086                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1087                 }
1088
1089                 if (mWaitingToSend != null) {
1090                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1091                     if (mWaitingToSend.isDown()) {
1092                         sendDownloadedFile();
1093                     }
1094                 }
1095
1096             } finally {
1097                 if (intent != null) {
1098                     removeStickyBroadcast(intent);
1099                 }
1100             }
1101         }
1102
1103         private boolean isDescendant(String downloadedRemotePath) {
1104             OCFile currentDir = getCurrentDir();
1105             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1106         }
1107
1108         private boolean isSameAccount(Context context, Intent intent) {
1109             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1110             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1111         }
1112     }
1113
1114
1115     public void browseToRoot() {
1116         OCFileListFragment listOfFiles = getListOfFilesFragment();
1117         if (listOfFiles != null) {  // should never be null, indeed
1118             while (mDirectories.getCount() > 1) {
1119                 popDirname();
1120             }
1121             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1122             listOfFiles.listDirectory(root);
1123             setFile(listOfFiles.getCurrentFile());
1124             startSyncFolderOperation(root);
1125         }
1126         cleanSecondFragment();
1127     }
1128
1129
1130     public void browseTo(OCFile folder) {
1131         if (folder == null || !folder.isFolder()) {
1132             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1133         }
1134         OCFileListFragment listOfFiles = getListOfFilesFragment();
1135         if (listOfFiles != null) {
1136             setNavigationListWithFolder(folder);
1137             listOfFiles.listDirectory(folder);
1138             setFile(listOfFiles.getCurrentFile());
1139             startSyncFolderOperation(folder);
1140         } else {
1141             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1142         }
1143         cleanSecondFragment();
1144     }
1145
1146
1147     /**
1148      * {@inheritDoc}
1149      *
1150      * Updates action bar and second fragment, if in dual pane mode.
1151      */
1152     @Override
1153     public void onBrowsedDownTo(OCFile directory) {
1154         pushDirname(directory);
1155         cleanSecondFragment();
1156
1157         // Sync Folder
1158         startSyncFolderOperation(directory);
1159
1160     }
1161
1162     /**
1163      * Shows the information of the {@link OCFile} received as a
1164      * parameter in the second fragment.
1165      *
1166      * @param file          {@link OCFile} whose details will be shown
1167      */
1168     @Override
1169     public void showDetails(OCFile file) {
1170         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1171         setSecondFragment(detailFragment);
1172         updateFragmentsVisibility(true);
1173         updateNavigationElementsInActionBar(file);
1174         setFile(file);
1175     }
1176
1177
1178     /**
1179      * TODO
1180      */
1181     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1182         ActionBar actionBar = getSupportActionBar();
1183         if (chosenFile == null || mDualPane) {
1184             // only list of files - set for browsing through folders
1185             OCFile currentDir = getCurrentDir();
1186             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1187             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1188             actionBar.setDisplayShowTitleEnabled(!noRoot);
1189             if (!noRoot) {
1190                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1191             }
1192             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1193             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1194
1195         } else {
1196             actionBar.setDisplayHomeAsUpEnabled(true);
1197             actionBar.setDisplayShowTitleEnabled(true);
1198             actionBar.setTitle(chosenFile.getFileName());
1199             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1200         }
1201     }
1202
1203
1204     @Override
1205     protected ServiceConnection newTransferenceServiceConnection() {
1206         return new ListServiceConnection();
1207     }
1208
1209     /** Defines callbacks for service binding, passed to bindService() */
1210     private class ListServiceConnection implements ServiceConnection {
1211
1212         @Override
1213         public void onServiceConnected(ComponentName component, IBinder service) {
1214             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1215                 Log_OC.d(TAG, "Download service connected");
1216                 mDownloaderBinder = (FileDownloaderBinder) service;
1217                 if (mWaitingToPreview != null)
1218                     if (getStorageManager() != null) {
1219                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1220                         if (!mWaitingToPreview.isDown()) {
1221                             requestForDownload();
1222                         }
1223                 }
1224
1225             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1226                 Log_OC.d(TAG, "Upload service connected");
1227                 mUploaderBinder = (FileUploaderBinder) service;
1228             } else {
1229                 return;
1230             }
1231             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1232             OCFileListFragment listOfFiles = getListOfFilesFragment();
1233             if (listOfFiles != null) {
1234                 listOfFiles.listDirectory();
1235             }
1236             FileFragment secondFragment = getSecondFragment();
1237             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1238                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1239                 detailFragment.listenForTransferProgress();
1240                 detailFragment.updateFileDetails(false, false);
1241             }
1242         }
1243
1244         @Override
1245         public void onServiceDisconnected(ComponentName component) {
1246             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1247                 Log_OC.d(TAG, "Download service disconnected");
1248                 mDownloaderBinder = null;
1249             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1250                 Log_OC.d(TAG, "Upload service disconnected");
1251                 mUploaderBinder = null;
1252             }
1253         }
1254     };
1255
1256
1257
1258     /**
1259      * Launch an intent to request the PIN code to the user before letting him use the app
1260      */
1261     private void requestPinCode() {
1262         boolean pinStart = false;
1263         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1264         pinStart = appPrefs.getBoolean("set_pincode", false);
1265         if (pinStart) {
1266             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1267             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1268             startActivity(i);
1269         }
1270     }
1271
1272
1273     @Override
1274     public void onSavedCertificate() {
1275         startSyncFolderOperation(getCurrentDir());
1276     }
1277
1278
1279     @Override
1280     public void onFailedSavingCertificate() {
1281         showDialog(DIALOG_CERT_NOT_SAVED);
1282     }
1283
1284     @Override
1285     public void onCancelCertificate() {
1286         // nothing to do
1287     }
1288
1289     /**
1290      * Updates the view associated to the activity after the finish of some operation over files
1291      * in the current account.
1292      *
1293      * @param operation     Removal operation performed.
1294      * @param result        Result of the removal.
1295      */
1296     @Override
1297     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1298         super.onRemoteOperationFinish(operation, result);
1299
1300         if (operation instanceof RemoveFileOperation) {
1301             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1302
1303         } else if (operation instanceof RenameFileOperation) {
1304             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1305
1306         } else if (operation instanceof SynchronizeFileOperation) {
1307             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1308
1309         } else if (operation instanceof CreateFolderOperation) {
1310             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1311
1312         } else if (operation instanceof CreateShareOperation) {
1313             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1314
1315         } else if (operation instanceof UnshareLinkOperation) {
1316             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1317
1318         }
1319
1320     }
1321
1322
1323     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1324         if (result.isSuccess()) {
1325             refreshShowDetails();
1326             refreshListOfFilesFragment();
1327         }
1328     }
1329
1330
1331     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1332         if (result.isSuccess()) {
1333             refreshShowDetails();
1334             refreshListOfFilesFragment();
1335
1336         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1337             cleanSecondFragment();
1338             refreshListOfFilesFragment();
1339         }
1340     }
1341
1342     private void refreshShowDetails() {
1343         FileFragment details = getSecondFragment();
1344         if (details != null) {
1345             OCFile file = details.getFile();
1346             if (file != null) {
1347                 file = getStorageManager().getFileByPath(file.getRemotePath());
1348                 if (details instanceof PreviewMediaFragment) {
1349                     // Refresh  OCFile of the fragment
1350                     ((PreviewMediaFragment) details).updateFile(file);
1351                 } else {
1352                     showDetails(file);
1353                 }
1354             }
1355             invalidateOptionsMenu();
1356         }
1357     }
1358
1359     /**
1360      * Updates the view associated to the activity after the finish of an operation trying to remove a
1361      * file.
1362      *
1363      * @param operation     Removal operation performed.
1364      * @param result        Result of the removal.
1365      */
1366     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1367         dismissLoadingDialog();
1368
1369         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1370                 Toast.LENGTH_LONG);
1371         msg.show();
1372
1373         if (result.isSuccess()) {
1374             OCFile removedFile = operation.getFile();
1375             FileFragment second = getSecondFragment();
1376             if (second != null && removedFile.equals(second.getFile())) {
1377                 if (second instanceof PreviewMediaFragment) {
1378                     ((PreviewMediaFragment)second).stopPreview(true);
1379                 }
1380                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1381                 cleanSecondFragment();
1382             }
1383             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1384                 refreshListOfFilesFragment();
1385             }
1386             invalidateOptionsMenu();
1387         } else {
1388             if (result.isSslRecoverableException()) {
1389                 mLastSslUntrustedServerResult = result;
1390                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1391             }
1392         }
1393     }
1394
1395
1396     /**
1397      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1398      *
1399      * @param operation     Creation operation performed.
1400      * @param result        Result of the creation.
1401      */
1402     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1403         if (result.isSuccess()) {
1404             dismissLoadingDialog();
1405             refreshListOfFilesFragment();
1406         } else {
1407             dismissLoadingDialog();
1408             try {
1409                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1410                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1411                         Toast.LENGTH_LONG);
1412                 msg.show();
1413
1414             } catch (NotFoundException e) {
1415                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
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             FileFragment details = getSecondFragment();
1433             if (details != null) {
1434                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1435                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1436                     showDetails(renamedFile);
1437
1438                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1439                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1440                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1441                         int position = ((PreviewMediaFragment)details).getPosition();
1442                         startMediaPreview(renamedFile, position, true);
1443                     } else {
1444                         getFileOperationsHelper().openFile(renamedFile);
1445                     }
1446                 }
1447             }
1448
1449             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1450                 refreshListOfFilesFragment();
1451             }
1452
1453         } else {
1454             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1455                     Toast.LENGTH_LONG);
1456             msg.show();
1457
1458             if (result.isSslRecoverableException()) {
1459                 mLastSslUntrustedServerResult = result;
1460                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1461             }
1462         }
1463     }
1464
1465     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1466         dismissLoadingDialog();
1467         OCFile syncedFile = operation.getLocalFile();
1468         if (!result.isSuccess()) {
1469             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1470                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1471                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1472                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1473                 startActivity(i);
1474
1475             }
1476
1477         } else {
1478             if (operation.transferWasRequested()) {
1479                 onTransferStateChanged(syncedFile, true, true);
1480
1481             } else {
1482                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1483                         Toast.LENGTH_LONG);
1484                 msg.show();
1485             }
1486         }
1487     }
1488
1489
1490     /**
1491      * {@inheritDoc}
1492      */
1493     @Override
1494     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1495         refreshListOfFilesFragment();
1496         FileFragment details = getSecondFragment();
1497         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1498             if (downloading || uploading) {
1499                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1500             } else {
1501                 if (!file.fileExists()) {
1502                     cleanSecondFragment();
1503                 } else {
1504                     ((FileDetailFragment)details).updateFileDetails(false, true);
1505                 }
1506             }
1507         }
1508
1509     }
1510
1511
1512     private void requestForDownload() {
1513         Account account = getAccount();
1514         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1515             Intent i = new Intent(this, FileDownloader.class);
1516             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1517             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1518             startService(i);
1519         }
1520     }
1521
1522
1523     private OCFile getCurrentDir() {
1524         OCFile file = getFile();
1525         if (file != null) {
1526             if (file.isFolder()) {
1527                 return file;
1528             } else if (getStorageManager() != null) {
1529                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1530                 return getStorageManager().getFileByPath(parentPath);
1531             }
1532         }
1533         return null;
1534     }
1535
1536     public void startSyncFolderOperation(OCFile folder) {
1537         long currentSyncTime = System.currentTimeMillis();
1538
1539         mSyncInProgress = true;
1540
1541         // perform folder synchronization
1542         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1543                                                                         currentSyncTime,
1544                                                                         false,
1545                                                                         getFileOperationsHelper().isSharedSupported(),
1546                                                                         getStorageManager(),
1547                                                                         getAccount(),
1548                                                                         getApplicationContext()
1549                                                                       );
1550         synchFolderOp.execute(getAccount(), this, null, null);
1551
1552         setSupportProgressBarIndeterminateVisibility(true);
1553
1554         setBackgroundText();
1555     }
1556
1557     /**
1558      * Show untrusted cert dialog
1559      */
1560     public void showUntrustedCertDialog(RemoteOperationResult result) {
1561         // Show a dialog with the certificate info
1562         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1563         FragmentManager fm = getSupportFragmentManager();
1564         FragmentTransaction ft = fm.beginTransaction();
1565         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1566     }
1567
1568     private void requestForDownload(OCFile file) {
1569         Account account = getAccount();
1570         if (!mDownloaderBinder.isDownloading(account, file)) {
1571             Intent i = new Intent(this, FileDownloader.class);
1572             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1573             i.putExtra(FileDownloader.EXTRA_FILE, file);
1574             startService(i);
1575         }
1576     }
1577
1578     private void sendDownloadedFile(){
1579         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1580         mWaitingToSend = null;
1581     }
1582
1583
1584     /**
1585      * Requests the download of the received {@link OCFile} , updates the UI
1586      * to monitor the download progress and prepares the activity to send the file
1587      * when the download finishes.
1588      *
1589      * @param file          {@link OCFile} to download and preview.
1590      */
1591     public void startDownloadForSending(OCFile file) {
1592         mWaitingToSend = file;
1593         requestForDownload(mWaitingToSend);
1594         boolean hasSecondFragment = (getSecondFragment()!= null);
1595         updateFragmentsVisibility(hasSecondFragment);
1596     }
1597
1598     /**
1599      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1600      *
1601      * @param file                      Image {@link OCFile} to show.
1602      */
1603     public void startImagePreview(OCFile file) {
1604         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1605         showDetailsIntent.putExtra(EXTRA_FILE, file);
1606         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1607         startActivity(showDetailsIntent);
1608
1609     }
1610
1611     /**
1612      * Stars the preview of an already down media {@link OCFile}.
1613      *
1614      * @param file                      Media {@link OCFile} to preview.
1615      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1616      * @param autoplay                  When 'true', the playback will start without user interactions.
1617      */
1618     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1619         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1620         setSecondFragment(mediaFragment);
1621         updateFragmentsVisibility(true);
1622         updateNavigationElementsInActionBar(file);
1623         setFile(file);
1624     }
1625
1626     /**
1627      * Requests the download of the received {@link OCFile} , updates the UI
1628      * to monitor the download progress and prepares the activity to preview
1629      * or open the file when the download finishes.
1630      *
1631      * @param file          {@link OCFile} to download and preview.
1632      */
1633     public void startDownloadForPreview(OCFile file) {
1634         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1635         setSecondFragment(detailFragment);
1636         mWaitingToPreview = file;
1637         requestForDownload();
1638         updateFragmentsVisibility(true);
1639         updateNavigationElementsInActionBar(file);
1640         setFile(file);
1641     }
1642
1643
1644     public void cancelTransference(OCFile file) {
1645         getFileOperationsHelper().cancelTransference(file);
1646         if (mWaitingToPreview != null &&
1647                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1648             mWaitingToPreview = null;
1649         }
1650         if (mWaitingToSend != null &&
1651                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1652             mWaitingToSend = null;
1653         }
1654         onTransferStateChanged(file, false, false);
1655     }
1656
1657 }