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.support.v4.content.LocalBroadcastManager;
  52 import android.util.Log;
  53 import android.view.View;
  54 import android.view.ViewGroup;
  55 import android.widget.ArrayAdapter;
  56 import android.widget.TextView;
  57 import android.widget.Toast;
  58
  59 import com.actionbarsherlock.app.ActionBar;
  60 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  61 import com.actionbarsherlock.view.Menu;
  62 import com.actionbarsherlock.view.MenuInflater;
  63 import com.actionbarsherlock.view.MenuItem;
  64 import com.actionbarsherlock.view.Window;
  65 import com.owncloud.android.MainApp;
  66 import com.owncloud.android.R;
  67 import com.owncloud.android.datamodel.OCFile;
  68 import com.owncloud.android.files.services.FileDownloader;
  69 import com.owncloud.android.files.services.FileUploader;
  70 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  71 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  72 import com.owncloud.android.operations.CreateFolderOperation;
  73
  74 import com.owncloud.android.lib.common.OwnCloudAccount;
  75 import com.owncloud.android.lib.common.OwnCloudClient;
  76 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  77 import com.owncloud.android.lib.common.OwnCloudCredentials;
  78 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  79 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  80 import com.owncloud.android.lib.common.operations.RemoteOperation;
  81 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  82 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  83 import com.owncloud.android.operations.CreateShareOperation;
  84 import com.owncloud.android.operations.RemoveFileOperation;
  85 import com.owncloud.android.operations.RenameFileOperation;
  86 import com.owncloud.android.operations.SynchronizeFileOperation;
  87 import com.owncloud.android.operations.SynchronizeFolderOperation;
  88 import com.owncloud.android.operations.UnshareLinkOperation;
  89 import com.owncloud.android.services.observer.FileObserverService;
  90 import com.owncloud.android.syncadapter.FileSyncAdapter;
  91 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  92 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  94 import com.owncloud.android.ui.fragment.FileDetailFragment;
  95 import com.owncloud.android.ui.fragment.FileFragment;
  96 import com.owncloud.android.ui.fragment.OCFileListFragment;
  97 import com.owncloud.android.ui.preview.PreviewImageActivity;
  98 import com.owncloud.android.ui.preview.PreviewImageFragment;
  99 import com.owncloud.android.ui.preview.PreviewMediaFragment;
 100 import com.owncloud.android.ui.preview.PreviewVideoActivity;
 101 import com.owncloud.android.utils.DisplayUtils;
 102 import com.owncloud.android.utils.ErrorMessageAdapter;
 103 import com.owncloud.android.utils.Log_OC;
 104
 105
 106 /**
 107  * Displays, what files the user has available in his ownCloud.
 108  *
 109  * @author Bartek Przybylski
 110  * @author David A. Velasco
 111  */
 112
 113 public class FileDisplayActivity extends HookActivity implements
 114 FileFragment.ContainerActivity, OnNavigationListener, OnSslUntrustedCertListener {
 115
 116     private ArrayAdapter<String> mDirectories;
 117
 118     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 119     private UploadFinishReceiver mUploadFinishReceiver;
 120     private DownloadFinishReceiver mDownloadFinishReceiver;
 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_WAITING_TO_SEND = "WAITING_TO_SEND";
 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_CERT_NOT_SAVED = 2;
 134
 135     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 136
 137     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 138     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 139
 140     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 141
 142     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 143     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 144
 145     private OCFile mWaitingToPreview;
 146
 147     private boolean mSyncInProgress = false;
 148
 149     private String DIALOG_UNTRUSTED_CERT;
 150
 151     private OCFile mWaitingToSend;
 152
 153     @Override
 154     protected void onCreate(Bundle savedInstanceState) {
 155         Log_OC.d(TAG, "onCreate() start");
 156         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 157
 158         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 159
 160         // PIN CODE request ;  best location is to decide, let's try this first
 161         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 162             requestPinCode();
 163         } else if (getIntent().getAction() == null && savedInstanceState == null) {
 164             requestPinCode();
 165         }
 166
 167         /// grant that FileObserverService is watching favourite files
 168         if (savedInstanceState == null) {
 169             Intent initObserversIntent = FileObserverService.makeInitIntent(this);
 170             startService(initObserversIntent);
 171         }
 172
 173         /// Load of saved instance state
 174         if(savedInstanceState != null) {
 175             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 176             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 177             mWaitingToSend = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_SEND);
 178
 179         } else {
 180             mWaitingToPreview = null;
 181             mSyncInProgress = false;
 182             mWaitingToSend = null;
 183         }
 184
 185         /// USER INTERFACE
 186
 187         // Inflate and set the layout view
 188         setContentView(R.layout.files);
 189         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 190         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 191         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 192         if (savedInstanceState == null) {
 193             createMinFragments();
 194         }
 195
 196         // Action bar setup
 197         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 198         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 199         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 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             String[] items = null;
 743
 744             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 745                     getString(R.string.actionbar_upload_from_apps),
 746                     getString(R.string.actionbar_failed_instant_upload) };
 747
 748             String[] commonItems = { getString(R.string.actionbar_upload_files),
 749                     getString(R.string.actionbar_upload_from_apps) };
 750
 751             if (InstantUploadActivity.IS_ENABLED)
 752                 items = allTheItems;
 753             else
 754                 items = commonItems;
 755
 756             builder = new AlertDialog.Builder(this);
 757             builder.setTitle(R.string.actionbar_upload);
 758             builder.setItems(items, new DialogInterface.OnClickListener() {
 759                 public void onClick(DialogInterface dialog, int item) {
 760                     if (item == 0) {
 761                         // if (!mDualPane) {
 762                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 763                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 764                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 765                             // } else {
 766                             // TODO create and handle new fragment
 767                             // LocalFileListFragment
 768                             // }
 769                     } else if (item == 1) {
 770                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 771                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 772                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 773                                 ACTION_SELECT_CONTENT_FROM_APPS);
 774                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 775                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 776                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 777                         startActivity(action);
 778                     }
 779                 }
 780             });
 781             dialog = builder.create();
 782             break;
 783         }
 784         case DIALOG_CERT_NOT_SAVED: {
 785             builder = new AlertDialog.Builder(this);
 786             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 787             builder.setCancelable(false);
 788             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 789                 @Override
 790                 public void onClick(DialogInterface dialog, int which) {
 791                     dialog.dismiss();
 792                 };
 793             });
 794             dialog = builder.create();
 795             break;
 796         }
 797         default:
 798             dialog = null;
 799         }
 800
 801         return dialog;
 802     }
 803
 804
 805     /**
 806      * Translates a content URI of an image to a physical path
 807      * on the disk
 808      * @param uri The URI to resolve
 809      * @return The path to the image or null if it could not be found
 810      */
 811     public String getPath(Uri uri) {
 812         String[] projection = { MediaStore.Images.Media.DATA };
 813         Cursor cursor = managedQuery(uri, projection, null, null, null);
 814         if (cursor != null) {
 815             int column_index = cursor
 816                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 817             cursor.moveToFirst();
 818             return cursor.getString(column_index);
 819         }
 820         return null;
 821     }
 822
 823     /**
 824      * Pushes a directory to the drop down list
 825      * @param directory to push
 826      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 827      */
 828     public void pushDirname(OCFile directory) {
 829         if(!directory.isFolder()){
 830             throw new IllegalArgumentException("Only directories may be pushed!");
 831         }
 832         mDirectories.insert(directory.getFileName(), 0);
 833         setFile(directory);
 834     }
 835
 836     /**
 837      * Pops a directory name from the drop down list
 838      * @return True, unless the stack is empty
 839      */
 840     public boolean popDirname() {
 841         mDirectories.remove(mDirectories.getItem(0));
 842         return !mDirectories.isEmpty();
 843     }
 844
 845     // Custom array adapter to override text colors
 846     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 847
 848         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 849             super(ctx, view);
 850         }
 851
 852         public View getView(int position, View convertView, ViewGroup parent) {
 853             View v = super.getView(position, convertView, parent);
 854
 855             ((TextView) v).setTextColor(getResources().getColorStateList(
 856                     android.R.color.white));
 857
 858             fixRoot((TextView) v );
 859             return v;
 860         }
 861
 862         public View getDropDownView(int position, View convertView,
 863                 ViewGroup parent) {
 864             View v = super.getDropDownView(position, convertView, parent);
 865
 866             ((TextView) v).setTextColor(getResources().getColorStateList(
 867                     android.R.color.white));
 868
 869             fixRoot((TextView) v );
 870             return v;
 871         }
 872
 873         private void fixRoot(TextView v) {
 874             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 875                 v.setText(R.string.default_display_name_for_root_folder);
 876             }
 877         }
 878
 879     }
 880
 881     private class SyncBroadcastReceiver extends BroadcastReceiver {
 882
 883         /**
 884          * {@link BroadcastReceiver} to enable syncing feedback in UI
 885          */
 886         @Override
 887         public void onReceive(Context context, Intent intent) {
 888             try {
 889                 String event = intent.getAction();
 890                 Log_OC.d(TAG, "Received broadcast " + event);
 891                 String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 892                 String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 893                 RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 894                 boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 895
 896                 if (sameAccount) {
 897
 898                     if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 899                         mSyncInProgress = true;
 900
 901                     } else {
 902                         OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 903                         OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 904
 905                         if (currentDir == null) {
 906                             // current folder was removed from the server
 907                             Toast.makeText( FileDisplayActivity.this,
 908                                             String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 909                                             Toast.LENGTH_LONG)
 910                                 .show();
 911                             browseToRoot();
 912
 913                         } else {
 914                             if (currentFile == null && !getFile().isFolder()) {
 915                                 // currently selected file was removed in the server, and now we know it
 916                                 cleanSecondFragment();
 917                                 currentFile = currentDir;
 918                             }
 919
 920                             if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 921                                 OCFileListFragment fileListFragment = getListOfFilesFragment();
 922                                 if (fileListFragment != null) {
 923                                     fileListFragment.listDirectory(currentDir);
 924                                 }
 925                             }
 926                             setFile(currentFile);
 927                         }
 928
 929                         mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 930
 931                         if (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED.
 932                                     equals(event) &&
 933                                 /// TODO refactor and make common
 934                                 synchResult != null && !synchResult.isSuccess() &&
 935                                 (synchResult.getCode() == ResultCode.UNAUTHORIZED   ||
 936                                     synchResult.isIdPRedirection()                  ||
 937                                     (synchResult.isException() && synchResult.getException()
 938                                             instanceof AuthenticatorException))) {
 939
 940                             OwnCloudClient client = null;
 941                             try {
 942                                 OwnCloudAccount ocAccount =
 943                                         new OwnCloudAccount(getAccount(), context);
 944                                 client = (OwnCloudClientManagerFactory.getDefaultSingleton().
 945                                         removeClientFor(ocAccount));
 946                                 // TODO get rid of these exceptions
 947                             } catch (AccountNotFoundException e) {
 948                                 e.printStackTrace();
 949                             } catch (AuthenticatorException e) {
 950                                 e.printStackTrace();
 951                             } catch (OperationCanceledException e) {
 952                                 e.printStackTrace();
 953                             } catch (IOException e) {
 954                                 e.printStackTrace();
 955                             }
 956
 957                             if (client != null) {
 958                                 OwnCloudCredentials cred = client.getCredentials();
 959                                 if (cred != null) {
 960                                     AccountManager am = AccountManager.get(context);
 961                                     if (cred.authTokenExpires()) {
 962                                         am.invalidateAuthToken(
 963                                                 getAccount().type,
 964                                                 cred.getAuthToken()
 965                                         );
 966                                     } else {
 967                                         am.clearPassword(getAccount());
 968                                     }
 969                                 }
 970                             }
 971
 972                             requestCredentialsUpdate();
 973
 974                         }
 975                     }
 976                     removeStickyBroadcast(intent);
 977                     Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 978                     setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 979
 980                 }
 981
 982                 if (synchResult != null) {
 983                     if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 984                         mLastSslUntrustedServerResult = synchResult;
 985                     }
 986                 }
 987             } catch (RuntimeException e) {
 988                 // avoid app crashes after changing the serial id of RemoteOperationResult
 989                 // in owncloud library with broadcast notifications pending to process
 990                 removeStickyBroadcast(intent);
 991             }
 992         }
 993     }
 994
 995
 996     /**
 997      * Once the file upload has finished -> update view
 998      */
 999     private class UploadFinishReceiver extends BroadcastReceiver {
1000         /**
1001          * Once the file upload has finished -> update view
1002          *  @author David A. Velasco
1003          * {@link BroadcastReceiver} to enable upload feedback in UI
1004          */
1005         @Override
1006         public void onReceive(Context context, Intent intent) {
1007             try {
1008                 String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1009                 String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
1010                 boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
1011                 OCFile currentDir = getCurrentDir();
1012                 boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) &&
1013                         (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1014
1015                 if (sameAccount && isDescendant) {
1016                     refreshListOfFilesFragment();
1017                 }
1018
1019                 boolean uploadWasFine = intent.getBooleanExtra(FileUploader.EXTRA_UPLOAD_RESULT, false);
1020                 boolean renamedInUpload = getFile().getRemotePath().
1021                         equals(intent.getStringExtra(FileUploader.EXTRA_OLD_REMOTE_PATH));
1022                 boolean sameFile = getFile().getRemotePath().equals(uploadedRemotePath) ||
1023                         renamedInUpload;
1024                 FileFragment details = getSecondFragment();
1025                 boolean detailFragmentIsShown = (details != null &&
1026                         details instanceof FileDetailFragment);
1027
1028                 if (sameAccount && sameFile && detailFragmentIsShown) {
1029                     if (uploadWasFine) {
1030                         setFile(getStorageManager().getFileByPath(uploadedRemotePath));
1031                     }
1032                     if (renamedInUpload) {
1033                         String newName = (new File(uploadedRemotePath)).getName();
1034                         Toast msg = Toast.makeText(
1035                                 context,
1036                                 String.format(
1037                                         getString(R.string.filedetails_renamed_in_upload_msg),
1038                                         newName),
1039                                 Toast.LENGTH_LONG);
1040                         msg.show();
1041                     }
1042                     if (uploadWasFine || getFile().fileExists()) {
1043                         ((FileDetailFragment)details).updateFileDetails(false, true);
1044                     } else {
1045                         cleanSecondFragment();
1046                     }
1047
1048                     // Force the preview if the file is an image
1049                     if (uploadWasFine && PreviewImageFragment.canBePreviewed(getFile())) {
1050                         startImagePreview(getFile());
1051                     } // TODO what about other kind of previews?
1052                 }
1053
1054             } finally {
1055                 if (intent != null) {
1056                     removeStickyBroadcast(intent);
1057                 }
1058             }
1059
1060         }
1061
1062     }
1063
1064
1065     /**
1066      * Class waiting for broadcast events from the {@link FielDownloader} service.
1067      *
1068      * Updates the UI when a download is started or finished, provided that it is relevant for the
1069      * current folder.
1070      */
1071     private class DownloadFinishReceiver extends BroadcastReceiver {
1072         @Override
1073         public void onReceive(Context context, Intent intent) {
1074             try {
1075                 boolean sameAccount = isSameAccount(context, intent);
1076                 String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1077                 boolean isDescendant = isDescendant(downloadedRemotePath);
1078
1079                 if (sameAccount && isDescendant) {
1080                     refreshListOfFilesFragment();
1081                     refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1082                 }
1083
1084                 if (mWaitingToSend != null) {
1085                     mWaitingToSend = getStorageManager().getFileByPath(mWaitingToSend.getRemotePath()); // Update the file to send
1086                     if (mWaitingToSend.isDown()) {
1087                         sendDownloadedFile();
1088                     }
1089                 }
1090
1091             } finally {
1092                 if (intent != null) {
1093                     removeStickyBroadcast(intent);
1094                 }
1095             }
1096         }
1097
1098         private boolean isDescendant(String downloadedRemotePath) {
1099             OCFile currentDir = getCurrentDir();
1100             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1101         }
1102
1103         private boolean isSameAccount(Context context, Intent intent) {
1104             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1105             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1106         }
1107     }
1108
1109
1110     public void browseToRoot() {
1111         OCFileListFragment listOfFiles = getListOfFilesFragment();
1112         if (listOfFiles != null) {  // should never be null, indeed
1113             while (mDirectories.getCount() > 1) {
1114                 popDirname();
1115             }
1116             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1117             listOfFiles.listDirectory(root);
1118             setFile(listOfFiles.getCurrentFile());
1119             startSyncFolderOperation(root);
1120         }
1121         cleanSecondFragment();
1122     }
1123
1124
1125     public void browseTo(OCFile folder) {
1126         if (folder == null || !folder.isFolder()) {
1127             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1128         }
1129         OCFileListFragment listOfFiles = getListOfFilesFragment();
1130         if (listOfFiles != null) {
1131             setNavigationListWithFolder(folder);
1132             listOfFiles.listDirectory(folder);
1133             setFile(listOfFiles.getCurrentFile());
1134             startSyncFolderOperation(folder);
1135         } else {
1136             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1137         }
1138         cleanSecondFragment();
1139     }
1140
1141
1142     /**
1143      * {@inheritDoc}
1144      *
1145      * Updates action bar and second fragment, if in dual pane mode.
1146      */
1147     @Override
1148     public void onBrowsedDownTo(OCFile directory) {
1149         pushDirname(directory);
1150         cleanSecondFragment();
1151
1152         // Sync Folder
1153         startSyncFolderOperation(directory);
1154
1155     }
1156
1157     /**
1158      * Shows the information of the {@link OCFile} received as a
1159      * parameter in the second fragment.
1160      *
1161      * @param file          {@link OCFile} whose details will be shown
1162      */
1163     @Override
1164     public void showDetails(OCFile file) {
1165         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1166         setSecondFragment(detailFragment);
1167         updateFragmentsVisibility(true);
1168         updateNavigationElementsInActionBar(file);
1169         setFile(file);
1170     }
1171
1172
1173     /**
1174      * TODO
1175      */
1176     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1177         ActionBar actionBar = getSupportActionBar();
1178         if (chosenFile == null || mDualPane) {
1179             // only list of files - set for browsing through folders
1180             OCFile currentDir = getCurrentDir();
1181             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1182             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1183             actionBar.setDisplayShowTitleEnabled(!noRoot);
1184             if (!noRoot) {
1185                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1186             }
1187             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1188             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1189
1190         } else {
1191             actionBar.setDisplayHomeAsUpEnabled(true);
1192             actionBar.setDisplayShowTitleEnabled(true);
1193             actionBar.setTitle(chosenFile.getFileName());
1194             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1195         }
1196     }
1197
1198
1199     @Override
1200     protected ServiceConnection newTransferenceServiceConnection() {
1201         return new ListServiceConnection();
1202     }
1203
1204     /** Defines callbacks for service binding, passed to bindService() */
1205     private class ListServiceConnection implements ServiceConnection {
1206
1207         @Override
1208         public void onServiceConnected(ComponentName component, IBinder service) {
1209             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1210                 Log_OC.d(TAG, "Download service connected");
1211                 mDownloaderBinder = (FileDownloaderBinder) service;
1212                 if (mWaitingToPreview != null)
1213                     if (getStorageManager() != null) {
1214                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId()); // update the file
1215                         if (!mWaitingToPreview.isDown()) {
1216                             requestForDownload();
1217                         }
1218                 }
1219
1220             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1221                 Log_OC.d(TAG, "Upload service connected");
1222                 mUploaderBinder = (FileUploaderBinder) service;
1223             } else {
1224                 return;
1225             }
1226             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1227             OCFileListFragment listOfFiles = getListOfFilesFragment();
1228             if (listOfFiles != null) {
1229                 listOfFiles.listDirectory();
1230             }
1231             FileFragment secondFragment = getSecondFragment();
1232             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1233                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1234                 detailFragment.listenForTransferProgress();
1235                 detailFragment.updateFileDetails(false, false);
1236             }
1237         }
1238
1239         @Override
1240         public void onServiceDisconnected(ComponentName component) {
1241             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1242                 Log_OC.d(TAG, "Download service disconnected");
1243                 mDownloaderBinder = null;
1244             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1245                 Log_OC.d(TAG, "Upload service disconnected");
1246                 mUploaderBinder = null;
1247             }
1248         }
1249     };
1250
1251
1252
1253     /**
1254      * Launch an intent to request the PIN code to the user before letting him use the app
1255      */
1256     private void requestPinCode() {
1257         boolean pinStart = false;
1258         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1259         pinStart = appPrefs.getBoolean("set_pincode", false);
1260         if (pinStart) {
1261             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1262             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1263             startActivity(i);
1264         }
1265     }
1266
1267
1268     @Override
1269     public void onSavedCertificate() {
1270         startSyncFolderOperation(getCurrentDir());
1271     }
1272
1273
1274     @Override
1275     public void onFailedSavingCertificate() {
1276         showDialog(DIALOG_CERT_NOT_SAVED);
1277     }
1278
1279     @Override
1280     public void onCancelCertificate() {
1281         // nothing to do
1282     }
1283
1284     /**
1285      * Updates the view associated to the activity after the finish of some operation over files
1286      * in the current account.
1287      *
1288      * @param operation     Removal operation performed.
1289      * @param result        Result of the removal.
1290      */
1291     @Override
1292     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1293         super.onRemoteOperationFinish(operation, result);
1294
1295         if (operation instanceof RemoveFileOperation) {
1296             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1297
1298         } else if (operation instanceof RenameFileOperation) {
1299             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1300
1301         } else if (operation instanceof SynchronizeFileOperation) {
1302             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1303
1304         } else if (operation instanceof CreateFolderOperation) {
1305             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1306
1307         } else if (operation instanceof CreateShareOperation) {
1308             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1309
1310         } else if (operation instanceof UnshareLinkOperation) {
1311             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1312
1313         }
1314
1315     }
1316
1317
1318     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1319         if (result.isSuccess()) {
1320             refreshShowDetails();
1321             refreshListOfFilesFragment();
1322         }
1323     }
1324
1325
1326     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1327         if (result.isSuccess()) {
1328             refreshShowDetails();
1329             refreshListOfFilesFragment();
1330
1331         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1332             cleanSecondFragment();
1333             refreshListOfFilesFragment();
1334         }
1335     }
1336
1337     private void refreshShowDetails() {
1338         FileFragment details = getSecondFragment();
1339         if (details != null) {
1340             OCFile file = details.getFile();
1341             if (file != null) {
1342                 file = getStorageManager().getFileByPath(file.getRemotePath());
1343                 if (details instanceof PreviewMediaFragment) {
1344                     // Refresh  OCFile of the fragment
1345                     ((PreviewMediaFragment) details).updateFile(file);
1346                 } else {
1347                     showDetails(file);
1348                 }
1349             }
1350             invalidateOptionsMenu();
1351         }
1352     }
1353
1354     /**
1355      * Updates the view associated to the activity after the finish of an operation trying to remove a
1356      * file.
1357      *
1358      * @param operation     Removal operation performed.
1359      * @param result        Result of the removal.
1360      */
1361     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1362         dismissLoadingDialog();
1363
1364         Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1365                 Toast.LENGTH_LONG);
1366         msg.show();
1367
1368         if (result.isSuccess()) {
1369             OCFile removedFile = operation.getFile();
1370             FileFragment second = getSecondFragment();
1371             if (second != null && removedFile.equals(second.getFile())) {
1372                 if (second instanceof PreviewMediaFragment) {
1373                     ((PreviewMediaFragment)second).stopPreview(true);
1374                 }
1375                 setFile(getStorageManager().getFileById(removedFile.getParentId()));
1376                 cleanSecondFragment();
1377             }
1378             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1379                 refreshListOfFilesFragment();
1380             }
1381             invalidateOptionsMenu();
1382         } else {
1383             if (result.isSslRecoverableException()) {
1384                 mLastSslUntrustedServerResult = result;
1385                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1386             }
1387         }
1388     }
1389
1390
1391     /**
1392      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1393      *
1394      * @param operation     Creation operation performed.
1395      * @param result        Result of the creation.
1396      */
1397     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1398         if (result.isSuccess()) {
1399             dismissLoadingDialog();
1400             refreshListOfFilesFragment();
1401         } else {
1402             dismissLoadingDialog();
1403             try {
1404                 Toast msg = Toast.makeText(FileDisplayActivity.this,
1405                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1406                         Toast.LENGTH_LONG);
1407                 msg.show();
1408
1409             } catch (NotFoundException e) {
1410                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1411             }
1412         }
1413     }
1414
1415
1416     /**
1417      * Updates the view associated to the activity after the finish of an operation trying to rename a
1418      * file.
1419      *
1420      * @param operation     Renaming operation performed.
1421      * @param result        Result of the renaming.
1422      */
1423     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1424         dismissLoadingDialog();
1425         OCFile renamedFile = operation.getFile();
1426         if (result.isSuccess()) {
1427             FileFragment details = getSecondFragment();
1428             if (details != null) {
1429                 if (details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1430                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1431                     showDetails(renamedFile);
1432
1433                 } else if (details instanceof PreviewMediaFragment && renamedFile.equals(details.getFile())) {
1434                     ((PreviewMediaFragment) details).updateFile(renamedFile);
1435                     if (PreviewMediaFragment.canBePreviewed(renamedFile)) {
1436                         int position = ((PreviewMediaFragment)details).getPosition();
1437                         startMediaPreview(renamedFile, position, true);
1438                     } else {
1439                         getFileOperationsHelper().openFile(renamedFile);
1440                     }
1441                 }
1442             }
1443
1444             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1445                 refreshListOfFilesFragment();
1446             }
1447
1448         } else {
1449             Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1450                     Toast.LENGTH_LONG);
1451             msg.show();
1452
1453             if (result.isSslRecoverableException()) {
1454                 mLastSslUntrustedServerResult = result;
1455                 showUntrustedCertDialog(mLastSslUntrustedServerResult);
1456             }
1457         }
1458     }
1459
1460     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1461         dismissLoadingDialog();
1462         OCFile syncedFile = operation.getLocalFile();
1463         if (!result.isSuccess()) {
1464             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1465                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1466                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1467                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1468                 startActivity(i);
1469
1470             }
1471
1472         } else {
1473             if (operation.transferWasRequested()) {
1474                 onTransferStateChanged(syncedFile, true, true);
1475
1476             } else {
1477                 Toast msg = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
1478                         Toast.LENGTH_LONG);
1479                 msg.show();
1480             }
1481         }
1482     }
1483
1484
1485     /**
1486      * {@inheritDoc}
1487      */
1488     @Override
1489     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1490         refreshListOfFilesFragment();
1491         FileFragment details = getSecondFragment();
1492         if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1493             if (downloading || uploading) {
1494                 ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1495             } else {
1496                 if (!file.fileExists()) {
1497                     cleanSecondFragment();
1498                 } else {
1499                     ((FileDetailFragment)details).updateFileDetails(false, true);
1500                 }
1501             }
1502         }
1503
1504     }
1505
1506
1507     private void requestForDownload() {
1508         Account account = getAccount();
1509         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1510             Intent i = new Intent(this, FileDownloader.class);
1511             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1512             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1513             startService(i);
1514         }
1515     }
1516
1517
1518     private OCFile getCurrentDir() {
1519         OCFile file = getFile();
1520         if (file != null) {
1521             if (file.isFolder()) {
1522                 return file;
1523             } else if (getStorageManager() != null) {
1524                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1525                 return getStorageManager().getFileByPath(parentPath);
1526             }
1527         }
1528         return null;
1529     }
1530
1531     public void startSyncFolderOperation(OCFile folder) {
1532         long currentSyncTime = System.currentTimeMillis();
1533
1534         mSyncInProgress = true;
1535
1536         // perform folder synchronization
1537         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1538                                                                         currentSyncTime,
1539                                                                         false,
1540                                                                         getFileOperationsHelper().isSharedSupported(),
1541                                                                         getStorageManager(),
1542                                                                         getAccount(),
1543                                                                         getApplicationContext()
1544                                                                       );
1545         synchFolderOp.execute(getAccount(), this, null, null);
1546
1547         setSupportProgressBarIndeterminateVisibility(true);
1548     }
1549
1550     /**
1551      * Show untrusted cert dialog
1552      */
1553     public void showUntrustedCertDialog(RemoteOperationResult result) {
1554         // Show a dialog with the certificate info
1555         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1556         FragmentManager fm = getSupportFragmentManager();
1557         FragmentTransaction ft = fm.beginTransaction();
1558         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1559     }
1560
1561     private void requestForDownload(OCFile file) {
1562         Account account = getAccount();
1563         if (!mDownloaderBinder.isDownloading(account, file)) {
1564             Intent i = new Intent(this, FileDownloader.class);
1565             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1566             i.putExtra(FileDownloader.EXTRA_FILE, file);
1567             startService(i);
1568         }
1569     }
1570
1571     private void sendDownloadedFile(){
1572         getFileOperationsHelper().sendDownloadedFile(mWaitingToSend);
1573         mWaitingToSend = null;
1574     }
1575
1576
1577     /**
1578      * Requests the download of the received {@link OCFile} , updates the UI
1579      * to monitor the download progress and prepares the activity to send the file
1580      * when the download finishes.
1581      *
1582      * @param file          {@link OCFile} to download and preview.
1583      */
1584     public void startDownloadForSending(OCFile file) {
1585         mWaitingToSend = file;
1586         requestForDownload(mWaitingToSend);
1587         boolean hasSecondFragment = (getSecondFragment()!= null);
1588         updateFragmentsVisibility(hasSecondFragment);
1589     }
1590
1591     /**
1592      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1593      *
1594      * @param file                      Image {@link OCFile} to show.
1595      */
1596     public void startImagePreview(OCFile file) {
1597         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1598         showDetailsIntent.putExtra(EXTRA_FILE, file);
1599         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1600         startActivity(showDetailsIntent);
1601
1602     }
1603
1604     /**
1605      * Stars the preview of an already down media {@link OCFile}.
1606      *
1607      * @param file                      Media {@link OCFile} to preview.
1608      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1609      * @param autoplay                  When 'true', the playback will start without user interactions.
1610      */
1611     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1612         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1613         setSecondFragment(mediaFragment);
1614         updateFragmentsVisibility(true);
1615         updateNavigationElementsInActionBar(file);
1616         setFile(file);
1617     }
1618
1619     /**
1620      * Requests the download of the received {@link OCFile} , updates the UI
1621      * to monitor the download progress and prepares the activity to preview
1622      * or open the file when the download finishes.
1623      *
1624      * @param file          {@link OCFile} to download and preview.
1625      */
1626     public void startDownloadForPreview(OCFile file) {
1627         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1628         setSecondFragment(detailFragment);
1629         mWaitingToPreview = file;
1630         requestForDownload();
1631         updateFragmentsVisibility(true);
1632         updateNavigationElementsInActionBar(file);
1633         setFile(file);
1634     }
1635
1636
1637     public void cancelTransference(OCFile file) {
1638         getFileOperationsHelper().cancelTransference(file);
1639         if (mWaitingToPreview != null &&
1640                 mWaitingToPreview.getRemotePath().equals(file.getRemotePath())) {
1641             mWaitingToPreview = null;
1642         }
1643         if (mWaitingToSend != null &&
1644                 mWaitingToSend.getRemotePath().equals(file.getRemotePath())) {
1645             mWaitingToSend = null;
1646         }
1647         onTransferStateChanged(file, false, false);
1648     }
1649
1650 }