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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.ui.activity;
  20
  21 import java.io.File;
  22
  23 import android.accounts.Account;
  24 import android.app.AlertDialog;
  25 import android.app.Dialog;
  26 import android.app.ProgressDialog;
  27 import android.content.BroadcastReceiver;
  28 import android.content.ComponentName;
  29 import android.content.ContentResolver;
  30 import android.content.Context;
  31 import android.content.DialogInterface;
  32 import android.content.Intent;
  33 import android.content.IntentFilter;
  34 import android.content.ServiceConnection;
  35 import android.content.SharedPreferences;
  36 import android.content.SyncRequest;
  37 import android.content.res.Resources.NotFoundException;
  38 import android.database.Cursor;
  39 import android.net.Uri;
  40 import android.os.Bundle;
  41 import android.os.IBinder;
  42 import android.preference.PreferenceManager;
  43 import android.provider.MediaStore;
  44 import android.support.v4.app.Fragment;
  45 import android.support.v4.app.FragmentTransaction;
  46 //import android.support.v4.content.LocalBroadcastManager;
  47 import android.util.Log;
  48 import android.view.View;
  49 import android.view.ViewGroup;
  50 import android.widget.ArrayAdapter;
  51 import android.widget.TextView;
  52 import android.widget.Toast;
  53
  54 import com.actionbarsherlock.app.ActionBar;
  55 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  56 import com.actionbarsherlock.view.Menu;
  57 import com.actionbarsherlock.view.MenuInflater;
  58 import com.actionbarsherlock.view.MenuItem;
  59 import com.actionbarsherlock.view.Window;
  60 import com.owncloud.android.MainApp;
  61 import com.owncloud.android.R;
  62 import com.owncloud.android.datamodel.OCFile;
  63 import com.owncloud.android.files.services.FileDownloader;
  64 import com.owncloud.android.files.services.FileObserverService;
  65 import com.owncloud.android.files.services.FileUploader;
  66 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  67 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  68 import com.owncloud.android.operations.CreateFolderOperation;
  69
  70 import com.owncloud.android.lib.operations.common.RemoteOperation;
  71 import com.owncloud.android.lib.operations.common.RemoteOperationResult;
  72 import com.owncloud.android.lib.operations.common.RemoteOperationResult.ResultCode;
  73 import com.owncloud.android.operations.CreateShareOperation;
  74 import com.owncloud.android.operations.RemoveFileOperation;
  75 import com.owncloud.android.operations.RenameFileOperation;
  76 import com.owncloud.android.operations.SynchronizeFileOperation;
  77 import com.owncloud.android.operations.SynchronizeFolderOperation;
  78 import com.owncloud.android.operations.UnshareLinkOperation;
  79 import com.owncloud.android.services.OperationsService;
  80 import com.owncloud.android.syncadapter.FileSyncAdapter;
  81 import com.owncloud.android.ui.dialog.EditNameDialog;
  82 import com.owncloud.android.ui.dialog.EditNameDialog.EditNameDialogListener;
  83 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  84 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  85 import com.owncloud.android.ui.fragment.FileDetailFragment;
  86 import com.owncloud.android.ui.fragment.FileFragment;
  87 import com.owncloud.android.ui.fragment.OCFileListFragment;
  88 import com.owncloud.android.ui.preview.PreviewImageActivity;
  89 import com.owncloud.android.ui.preview.PreviewImageFragment;
  90 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  91 import com.owncloud.android.ui.preview.PreviewVideoActivity;
  92 import com.owncloud.android.utils.DisplayUtils;
  93 import com.owncloud.android.utils.Log_OC;
  94
  95
  96 /**
  97  * Displays, what files the user has available in his ownCloud.
  98  *
  99  * @author Bartek Przybylski
 100  * @author David A. Velasco
 101  */
 102
 103 public class FileDisplayActivity extends HookActivity implements
 104 OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener, EditNameDialogListener {
 105
 106     private ArrayAdapter<String> mDirectories;
 107
 108     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 109     private UploadFinishReceiver mUploadFinishReceiver;
 110     private DownloadFinishReceiver mDownloadFinishReceiver;
 111     //private OperationsServiceReceiver mOperationsServiceReceiver;
 112     private FileDownloaderBinder mDownloaderBinder = null;
 113     private FileUploaderBinder mUploaderBinder = null;
 114     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 115     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 116
 117     private boolean mDualPane;
 118     private View mLeftFragmentContainer;
 119     private View mRightFragmentContainer;
 120
 121     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
 122     private static final String KEY_SYNC_IN_PROGRESS = "SYNC_IN_PROGRESS";
 123     private static final String KEY_REFRESH_SHARES_IN_PROGRESS = "SHARES_IN_PROGRESS";
 124
 125     public static final int DIALOG_SHORT_WAIT = 0;
 126     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 1;
 127     private static final int DIALOG_SSL_VALIDATOR = 2;
 128     private static final int DIALOG_CERT_NOT_SAVED = 3;
 129
 130     public static final String ACTION_DETAILS = "com.owncloud.android.ui.activity.action.DETAILS";
 131
 132     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 133     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 134
 135     private static final String TAG = FileDisplayActivity.class.getSimpleName();
 136
 137     private static final String TAG_LIST_OF_FILES = "LIST_OF_FILES";
 138     private static final String TAG_SECOND_FRAGMENT = "SECOND_FRAGMENT";
 139
 140     private OCFile mWaitingToPreview;
 141
 142     private boolean mSyncInProgress = false;
 143     //private boolean mRefreshSharesInProgress = false;
 144
 145     @Override
 146     protected void onCreate(Bundle savedInstanceState) {
 147         Log_OC.d(TAG, "onCreate() start");
 148         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 149
 150         super.onCreate(savedInstanceState); // this calls onAccountChanged() when ownCloud Account is valid
 151
 152         /// bindings to transference services
 153         mUploadConnection = new ListServiceConnection();
 154         mDownloadConnection = new ListServiceConnection();
 155         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 156         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 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         /// file observer
 166         Intent observer_intent = new Intent(this, FileObserverService.class);
 167         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 168         startService(observer_intent);
 169
 170         /// Load of saved instance state
 171         if(savedInstanceState != null) {
 172             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW);
 173             mSyncInProgress = savedInstanceState.getBoolean(KEY_SYNC_IN_PROGRESS);
 174             //mRefreshSharesInProgress = savedInstanceState.getBoolean(KEY_REFRESH_SHARES_IN_PROGRESS);
 175
 176         } else {
 177             mWaitingToPreview = null;
 178             mSyncInProgress = false;
 179             //mRefreshSharesInProgress = false;
 180         }
 181
 182         /// USER INTERFACE
 183
 184         // Inflate and set the layout view
 185         setContentView(R.layout.files);
 186         mDualPane = getResources().getBoolean(R.bool.large_land_layout);
 187         mLeftFragmentContainer = findViewById(R.id.left_fragment_container);
 188         mRightFragmentContainer = findViewById(R.id.right_fragment_container);
 189         if (savedInstanceState == null) {
 190             createMinFragments();
 191         } else {
 192             Log_OC.d(TAG, "Init the secondFragment again");
 193             if (mDualPane) {
 194                 initFragmentsWithFile();
 195             }
 196         }
 197
 198         // Action bar setup
 199         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 200         getSupportActionBar().setHomeButtonEnabled(true);       // mandatory since Android ICS, according to the official documentation
 201         setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);    // always AFTER setContentView(...) ; to work around bug in its implementation
 202
 203         Log_OC.d(TAG, "onCreate() end");
 204     }
 205
 206     @Override
 207     protected void onStart() {
 208         super.onStart();
 209         getSupportActionBar().setIcon(DisplayUtils.getSeasonalIconId());
 210         refeshListOfFilesFragment();
 211     }
 212
 213     @Override
 214     protected void onDestroy() {
 215         super.onDestroy();
 216         if (mDownloadConnection != null)
 217             unbindService(mDownloadConnection);
 218         if (mUploadConnection != null)
 219             unbindService(mUploadConnection);
 220     }
 221
 222
 223     /**
 224      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 225      */
 226     @Override
 227     protected void onAccountSet(boolean stateWasRecovered) {
 228         super.onAccountSet(stateWasRecovered);
 229         if (getAccount() != null) {
 230             /// Check whether the 'main' OCFile handled by the Activity is contained in the current Account
 231             OCFile file = getFile();
 232             // get parent from path
 233             String parentPath = "";
 234             if (file != null) {
 235                 if (file.isDown() && file.getLastSyncDateForProperties() == 0) {
 236                     // upload in progress - right now, files are not inserted in the local cache until the upload is successful
 237                     // get parent from path
 238                     parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
 239                     if (getStorageManager().getFileByPath(parentPath) ==  null)
 240                         file = null; // not able to know the directory where the file is uploading
 241                 } else {
 242                     file = getStorageManager().getFileByPath(file.getRemotePath());   // currentDir = null if not in the current Account
 243                 }
 244             }
 245             if (file == null) {
 246                 // fall back to root folder
 247                 file = getStorageManager().getFileByPath(OCFile.ROOT_PATH);  // never returns null
 248             }
 249             setFile(file);
 250             setNavigationListWithFolder(file);
 251
 252             if (!stateWasRecovered) {
 253                 Log_OC.e(TAG, "Initializing Fragments in onAccountChanged..");
 254                 initFragmentsWithFile();
 255                 if (file.isFolder()) {
 256                     startSyncFolderOperation(file);
 257                 }
 258
 259             } else {
 260                 updateFragmentsVisibility(!file.isFolder());
 261                 updateNavigationElementsInActionBar(file.isFolder() ? null : file);
 262             }
 263         }
 264     }
 265
 266
 267     private void setNavigationListWithFolder(OCFile file) {
 268         mDirectories.clear();
 269         OCFile fileIt = file;
 270         String parentPath;
 271         while(fileIt != null && fileIt.getFileName() != OCFile.ROOT_PATH) {
 272             if (fileIt.isFolder()) {
 273                 mDirectories.add(fileIt.getFileName());
 274             }
 275             // get parent from path
 276             parentPath = fileIt.getRemotePath().substring(0, fileIt.getRemotePath().lastIndexOf(fileIt.getFileName()));
 277             fileIt = getStorageManager().getFileByPath(parentPath);
 278         }
 279         mDirectories.add(OCFile.PATH_SEPARATOR);
 280     }
 281
 282
 283     private void createMinFragments() {
 284         OCFileListFragment listOfFiles = new OCFileListFragment();
 285         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 286         transaction.add(R.id.left_fragment_container, listOfFiles, TAG_LIST_OF_FILES);
 287         transaction.commit();
 288     }
 289
 290     private void initFragmentsWithFile() {
 291         if (getAccount() != null && getFile() != null) {
 292             /// First fragment
 293             OCFileListFragment listOfFiles = getListOfFilesFragment();
 294             if (listOfFiles != null) {
 295                 listOfFiles.listDirectory(getCurrentDir());
 296             } else {
 297                 Log.e(TAG, "Still have a chance to lose the initializacion of list fragment >(");
 298             }
 299
 300             /// Second fragment
 301             OCFile file = getFile();
 302             Fragment secondFragment = chooseInitialSecondFragment(file);
 303             if (secondFragment != null) {
 304                 setSecondFragment(secondFragment);
 305                 updateFragmentsVisibility(true);
 306                 updateNavigationElementsInActionBar(file);
 307
 308             } else {
 309                 cleanSecondFragment();
 310             }
 311
 312         } else {
 313             Log.wtf(TAG, "initFragments() called with invalid NULLs!");
 314             if (getAccount() == null) {
 315                 Log.wtf(TAG, "\t account is NULL");
 316             }
 317             if (getFile() == null) {
 318                 Log.wtf(TAG, "\t file is NULL");
 319             }
 320         }
 321     }
 322
 323     private Fragment chooseInitialSecondFragment(OCFile file) {
 324         Fragment secondFragment = null;
 325         if (file != null && !file.isFolder()) {
 326             if (file.isDown() && PreviewMediaFragment.canBePreviewed(file)
 327                     && file.getLastSyncDateForProperties() > 0  // temporal fix
 328                     ) {
 329                 int startPlaybackPosition = getIntent().getIntExtra(PreviewVideoActivity.EXTRA_START_POSITION, 0);
 330                 boolean autoplay = getIntent().getBooleanExtra(PreviewVideoActivity.EXTRA_AUTOPLAY, true);
 331                 secondFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
 332
 333             } else {
 334                 secondFragment = new FileDetailFragment(file, getAccount());
 335             }
 336         }
 337         return secondFragment;
 338     }
 339
 340
 341     /**
 342      * Replaces the second fragment managed by the activity with the received as
 343      * a parameter.
 344      *
 345      * Assumes never will be more than two fragments managed at the same time.
 346      *
 347      * @param fragment      New second Fragment to set.
 348      */
 349     private void setSecondFragment(Fragment fragment) {
 350         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 351         transaction.replace(R.id.right_fragment_container, fragment, TAG_SECOND_FRAGMENT);
 352         transaction.commit();
 353     }
 354
 355
 356     private void updateFragmentsVisibility(boolean existsSecondFragment) {
 357         if (mDualPane) {
 358             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 359                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 360             }
 361             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 362                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 363             }
 364
 365         } else if (existsSecondFragment) {
 366             if (mLeftFragmentContainer.getVisibility() != View.GONE) {
 367                 mLeftFragmentContainer.setVisibility(View.GONE);
 368             }
 369             if (mRightFragmentContainer.getVisibility() != View.VISIBLE) {
 370                 mRightFragmentContainer.setVisibility(View.VISIBLE);
 371             }
 372
 373         } else {
 374             if (mLeftFragmentContainer.getVisibility() != View.VISIBLE) {
 375                 mLeftFragmentContainer.setVisibility(View.VISIBLE);
 376             }
 377             if (mRightFragmentContainer.getVisibility() != View.GONE) {
 378                 mRightFragmentContainer.setVisibility(View.GONE);
 379             }
 380         }
 381     }
 382
 383
 384     private OCFileListFragment getListOfFilesFragment() {
 385         Fragment listOfFiles = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_LIST_OF_FILES);
 386         if (listOfFiles != null) {
 387             return (OCFileListFragment)listOfFiles;
 388         }
 389         Log_OC.wtf(TAG, "Access to unexisting list of files fragment!!");
 390         return null;
 391     }
 392
 393     protected FileFragment getSecondFragment() {
 394         Fragment second = getSupportFragmentManager().findFragmentByTag(FileDisplayActivity.TAG_SECOND_FRAGMENT);
 395         if (second != null) {
 396             return (FileFragment)second;
 397         }
 398         return null;
 399     }
 400
 401     public void cleanSecondFragment() {
 402         Fragment second = getSecondFragment();
 403         if (second != null) {
 404             FragmentTransaction tr = getSupportFragmentManager().beginTransaction();
 405             tr.remove(second);
 406             tr.commit();
 407         }
 408         updateFragmentsVisibility(false);
 409         updateNavigationElementsInActionBar(null);
 410     }
 411
 412     protected void refeshListOfFilesFragment() {
 413         OCFileListFragment fileListFragment = getListOfFilesFragment();
 414         if (fileListFragment != null) {
 415             fileListFragment.listDirectory();
 416         }
 417     }
 418
 419     protected void refreshSecondFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 420         FileFragment secondFragment = getSecondFragment();
 421         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
 422         if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
 423             FileDetailFragment detailsFragment = (FileDetailFragment) secondFragment;
 424             OCFile fileInFragment = detailsFragment.getFile();
 425             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 426                 // the user browsed to other file ; forget the automatic preview
 427                 mWaitingToPreview = null;
 428
 429             } else if (downloadEvent.equals(FileDownloader.getDownloadAddedMessage())) {
 430                 // grant that the right panel updates the progress bar
 431                 detailsFragment.listenForTransferProgress();
 432                 detailsFragment.updateFileDetails(true, false);
 433
 434             } else if (downloadEvent.equals(FileDownloader.getDownloadFinishMessage())) {
 435                 //  update the right panel
 436                 boolean detailsFragmentChanged = false;
 437                 if (waitedPreview) {
 438                     if (success) {
 439                         mWaitingToPreview = getStorageManager().getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
 440                         if (PreviewMediaFragment.canBePreviewed(mWaitingToPreview)) {
 441                             startMediaPreview(mWaitingToPreview, 0, true);
 442                             detailsFragmentChanged = true;
 443                         } else {
 444                             getFileOperationsHelper().openFile(mWaitingToPreview, this);
 445                         }
 446                     }
 447                     mWaitingToPreview = null;
 448                 }
 449                 if (!detailsFragmentChanged) {
 450                     detailsFragment.updateFileDetails(false, (success));
 451                 }
 452             }
 453         }
 454     }
 455
 456     @Override
 457     public boolean onCreateOptionsMenu(Menu menu) {
 458         MenuInflater inflater = getSherlock().getMenuInflater();
 459         inflater.inflate(R.menu.main_menu, menu);
 460         return true;
 461     }
 462
 463     @Override
 464     public boolean onOptionsItemSelected(MenuItem item) {
 465         boolean retval = true;
 466         switch (item.getItemId()) {
 467         case R.id.action_create_dir: {
 468             EditNameDialog dialog = EditNameDialog.newInstance(getString(R.string.uploader_info_dirname), "", -1, -1, this);
 469             dialog.show(getSupportFragmentManager(), "createdirdialog");
 470             break;
 471         }
 472         case R.id.action_sync_account: {
 473             startSynchronization();
 474             break;
 475         }
 476         case R.id.action_upload: {
 477             showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 478             break;
 479         }
 480         case R.id.action_settings: {
 481             Intent settingsIntent = new Intent(this, Preferences.class);
 482             startActivity(settingsIntent);
 483             break;
 484         }
 485         case android.R.id.home: {
 486             FileFragment second = getSecondFragment();
 487             OCFile currentDir = getCurrentDir();
 488             if((currentDir != null && currentDir.getParentId() != 0) ||
 489                     (second != null && second.getFile() != null)) {
 490                 onBackPressed();
 491
 492             }
 493             break;
 494         }
 495         default:
 496             retval = super.onOptionsItemSelected(item);
 497         }
 498         return retval;
 499     }
 500
 501     private void startSynchronization() {
 502         Log_OC.e(TAG, "Got to start sync");
 503         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.KITKAT) {
 504             Log_OC.e(TAG, "Canceling all syncs for " + MainApp.getAuthority());
 505             ContentResolver.cancelSync(null, MainApp.getAuthority());   // cancel the current synchronizations of any ownCloud account
 506             Bundle bundle = new Bundle();
 507             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 508             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
 509             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority());
 510             ContentResolver.requestSync(
 511                     getAccount(),
 512                     MainApp.getAuthority(), bundle);
 513         } else {
 514             Log_OC.e(TAG, "Requesting sync for " + getAccount().name + " at " + MainApp.getAuthority() + " with new API");
 515             SyncRequest.Builder builder = new SyncRequest.Builder();
 516             builder.setSyncAdapter(getAccount(), MainApp.getAuthority());
 517             builder.setExpedited(true);
 518             builder.setManual(true);
 519             builder.syncOnce();
 520             SyncRequest request = builder.build();
 521             ContentResolver.requestSync(request);
 522         }
 523     }
 524
 525
 526     @Override
 527     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 528         if (itemPosition != 0) {
 529             String targetPath = "";
 530             for (int i=itemPosition; i < mDirectories.getCount() - 1; i++) {
 531                 targetPath = mDirectories.getItem(i) + OCFile.PATH_SEPARATOR + targetPath;
 532             }
 533             targetPath = OCFile.PATH_SEPARATOR + targetPath;
 534             OCFile targetFolder = getStorageManager().getFileByPath(targetPath);
 535             if (targetFolder != null) {
 536                 browseTo(targetFolder);
 537             }
 538
 539             // the next operation triggers a new call to this method, but it's necessary to
 540             // ensure that the name exposed in the action bar is the current directory when the
 541             // user selected it in the navigation list
 542             if (getSupportActionBar().getNavigationMode() == ActionBar.NAVIGATION_MODE_LIST  && itemPosition != 0)
 543                 getSupportActionBar().setSelectedNavigationItem(0);
 544         }
 545         return true;
 546     }
 547
 548     /**
 549      * Called, when the user selected something for uploading
 550      */
 551     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 552         super.onActivityResult(requestCode, resultCode, data);
 553
 554         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 555             requestSimpleUpload(data, resultCode);
 556
 557         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 558             requestMultipleUpload(data, resultCode);
 559
 560         }
 561     }
 562
 563     private void requestMultipleUpload(Intent data, int resultCode) {
 564         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 565         if (filePaths != null) {
 566             String[] remotePaths = new String[filePaths.length];
 567             String remotePathBase = "";
 568             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 569                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 570             }
 571             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 572                 remotePathBase += OCFile.PATH_SEPARATOR;
 573             for (int j = 0; j< remotePaths.length; j++) {
 574                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 575             }
 576
 577             Intent i = new Intent(this, FileUploader.class);
 578             i.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 579             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 580             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 581             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 582             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 583                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 584             startService(i);
 585
 586         } else {
 587             Log_OC.d(TAG, "User clicked on 'Update' with no selection");
 588             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 589             t.show();
 590             return;
 591         }
 592     }
 593
 594
 595     private void requestSimpleUpload(Intent data, int resultCode) {
 596         String filepath = null;
 597         try {
 598             Uri selectedImageUri = data.getData();
 599
 600             String filemanagerstring = selectedImageUri.getPath();
 601             String selectedImagePath = getPath(selectedImageUri);
 602
 603             if (selectedImagePath != null)
 604                 filepath = selectedImagePath;
 605             else
 606                 filepath = filemanagerstring;
 607
 608         } catch (Exception e) {
 609             Log_OC.e(TAG, "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 610             e.printStackTrace();
 611
 612         } finally {
 613             if (filepath == null) {
 614                 Log_OC.e(TAG, "Couldnt resolve path to file");
 615                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 616                 t.show();
 617                 return;
 618             }
 619         }
 620
 621         Intent i = new Intent(this, FileUploader.class);
 622         i.putExtra(FileUploader.KEY_ACCOUNT,
 623                 getAccount());
 624         String remotepath = new String();
 625         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 626             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 627         }
 628         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 629             remotepath += OCFile.PATH_SEPARATOR;
 630         remotepath += new File(filepath).getName();
 631
 632         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 633         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 634         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 635         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 636             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 637         startService(i);
 638     }
 639
 640     @Override
 641     public void onBackPressed() {
 642         OCFileListFragment listOfFiles = getListOfFilesFragment();
 643         if (mDualPane || getSecondFragment() == null) {
 644             if (listOfFiles != null) {  // should never be null, indeed
 645                 if (mDirectories.getCount() <= 1) {
 646                     finish();
 647                     return;
 648                 }
 649                 int levelsUp = listOfFiles.onBrowseUp();
 650                 for (int i=0; i < levelsUp && mDirectories.getCount() > 1 ; i++) {
 651                     popDirname();
 652                 }
 653             }
 654         }
 655         if (listOfFiles != null) {  // should never be null, indeed
 656             setFile(listOfFiles.getCurrentFile());
 657         }
 658         cleanSecondFragment();
 659
 660     }
 661
 662     @Override
 663     protected void onSaveInstanceState(Bundle outState) {
 664         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 665         Log_OC.e(TAG, "onSaveInstanceState() start");
 666         super.onSaveInstanceState(outState);
 667         outState.putParcelable(FileDisplayActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 668         outState.putBoolean(FileDisplayActivity.KEY_SYNC_IN_PROGRESS, mSyncInProgress);
 669         //outState.putBoolean(FileDisplayActivity.KEY_REFRESH_SHARES_IN_PROGRESS, mRefreshSharesInProgress);
 670
 671         Log_OC.d(TAG, "onSaveInstanceState() end");
 672     }
 673
 674
 675
 676     @Override
 677     protected void onResume() {
 678         super.onResume();
 679         Log_OC.e(TAG, "onResume() start");
 680
 681         // Listen for sync messages
 682         IntentFilter syncIntentFilter = new IntentFilter(FileSyncAdapter.EVENT_FULL_SYNC_START);
 683         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_END);
 684         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_SIZE_SYNCED);
 685         syncIntentFilter.addAction(FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED);
 686         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_CONTENTS_SYNCED);
 687         syncIntentFilter.addAction(SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED);
 688         mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 689         registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 690         //LocalBroadcastManager.getInstance(this).registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 691
 692         // Listen for upload messages
 693         IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.getUploadFinishMessage());
 694         mUploadFinishReceiver = new UploadFinishReceiver();
 695         registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 696
 697         // Listen for download messages
 698         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.getDownloadAddedMessage());
 699         downloadIntentFilter.addAction(FileDownloader.getDownloadFinishMessage());
 700         mDownloadFinishReceiver = new DownloadFinishReceiver();
 701         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 702
 703         // Listen for messages from the OperationsService
 704         /*
 705         IntentFilter operationsIntentFilter = new IntentFilter(OperationsService.ACTION_OPERATION_ADDED);
 706         operationsIntentFilter.addAction(OperationsService.ACTION_OPERATION_FINISHED);
 707         mOperationsServiceReceiver = new OperationsServiceReceiver();
 708         LocalBroadcastManager.getInstance(this).registerReceiver(mOperationsServiceReceiver, operationsIntentFilter);
 709         */
 710
 711         Log_OC.d(TAG, "onResume() end");
 712     }
 713
 714
 715     @Override
 716     protected void onPause() {
 717         super.onPause();
 718         Log_OC.e(TAG, "onPause() start");
 719         if (mSyncBroadcastReceiver != null) {
 720             unregisterReceiver(mSyncBroadcastReceiver);
 721             //LocalBroadcastManager.getInstance(this).unregisterReceiver(mSyncBroadcastReceiver);
 722             mSyncBroadcastReceiver = null;
 723         }
 724         if (mUploadFinishReceiver != null) {
 725             unregisterReceiver(mUploadFinishReceiver);
 726             mUploadFinishReceiver = null;
 727         }
 728         if (mDownloadFinishReceiver != null) {
 729             unregisterReceiver(mDownloadFinishReceiver);
 730             mDownloadFinishReceiver = null;
 731         }
 732         /*
 733         if (mOperationsServiceReceiver != null) {
 734             LocalBroadcastManager.getInstance(this).unregisterReceiver(mOperationsServiceReceiver);
 735             mOperationsServiceReceiver = null;
 736         }
 737         */
 738         Log_OC.d(TAG, "onPause() end");
 739     }
 740
 741
 742     @Override
 743     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 744         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 745             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 746         }
 747     }
 748
 749
 750     @Override
 751     protected Dialog onCreateDialog(int id) {
 752         Dialog dialog = null;
 753         AlertDialog.Builder builder;
 754         switch (id) {
 755         case DIALOG_SHORT_WAIT: {
 756             ProgressDialog working_dialog = new ProgressDialog(this);
 757             working_dialog.setMessage(getResources().getString(
 758                     R.string.wait_a_moment));
 759             working_dialog.setIndeterminate(true);
 760             working_dialog.setCancelable(false);
 761             dialog = working_dialog;
 762             break;
 763         }
 764         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 765
 766             String[] items = null;
 767
 768             String[] allTheItems = { getString(R.string.actionbar_upload_files),
 769                     getString(R.string.actionbar_upload_from_apps),
 770                     getString(R.string.actionbar_failed_instant_upload) };
 771
 772             String[] commonItems = { getString(R.string.actionbar_upload_files),
 773                     getString(R.string.actionbar_upload_from_apps) };
 774
 775             if (InstantUploadActivity.IS_ENABLED)
 776                 items = allTheItems;
 777             else
 778                 items = commonItems;
 779
 780             builder = new AlertDialog.Builder(this);
 781             builder.setTitle(R.string.actionbar_upload);
 782             builder.setItems(items, new DialogInterface.OnClickListener() {
 783                 public void onClick(DialogInterface dialog, int item) {
 784                     if (item == 0) {
 785                         // if (!mDualPane) {
 786                             Intent action = new Intent(FileDisplayActivity.this, UploadFilesActivity.class);
 787                             action.putExtra(UploadFilesActivity.EXTRA_ACCOUNT, FileDisplayActivity.this.getAccount());
 788                             startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 789                             // } else {
 790                             // TODO create and handle new fragment
 791                             // LocalFileListFragment
 792                             // }
 793                     } else if (item == 1) {
 794                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 795                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 796                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 797                                 ACTION_SELECT_CONTENT_FROM_APPS);
 798                     } else if (item == 2 && InstantUploadActivity.IS_ENABLED) {
 799                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 800                         action.putExtra(FileUploader.KEY_ACCOUNT, FileDisplayActivity.this.getAccount());
 801                         startActivity(action);
 802                     }
 803                 }
 804             });
 805             dialog = builder.create();
 806             break;
 807         }
 808         case DIALOG_SSL_VALIDATOR: {
 809             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 810             break;
 811         }
 812         case DIALOG_CERT_NOT_SAVED: {
 813             builder = new AlertDialog.Builder(this);
 814             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 815             builder.setCancelable(false);
 816             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 817                 @Override
 818                 public void onClick(DialogInterface dialog, int which) {
 819                     dialog.dismiss();
 820                 };
 821             });
 822             dialog = builder.create();
 823             break;
 824         }
 825         default:
 826             dialog = null;
 827         }
 828
 829         return dialog;
 830     }
 831
 832
 833     /**
 834      * Translates a content URI of an image to a physical path
 835      * on the disk
 836      * @param uri The URI to resolve
 837      * @return The path to the image or null if it could not be found
 838      */
 839     public String getPath(Uri uri) {
 840         String[] projection = { MediaStore.Images.Media.DATA };
 841         Cursor cursor = managedQuery(uri, projection, null, null, null);
 842         if (cursor != null) {
 843             int column_index = cursor
 844                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 845             cursor.moveToFirst();
 846             return cursor.getString(column_index);
 847         }
 848         return null;
 849     }
 850
 851     /**
 852      * Pushes a directory to the drop down list
 853      * @param directory to push
 854      * @throws IllegalArgumentException If the {@link OCFile#isFolder()} returns false.
 855      */
 856     public void pushDirname(OCFile directory) {
 857         if(!directory.isFolder()){
 858             throw new IllegalArgumentException("Only directories may be pushed!");
 859         }
 860         mDirectories.insert(directory.getFileName(), 0);
 861         setFile(directory);
 862     }
 863
 864     /**
 865      * Pops a directory name from the drop down list
 866      * @return True, unless the stack is empty
 867      */
 868     public boolean popDirname() {
 869         mDirectories.remove(mDirectories.getItem(0));
 870         return !mDirectories.isEmpty();
 871     }
 872
 873     // Custom array adapter to override text colors
 874     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 875
 876         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 877             super(ctx, view);
 878         }
 879
 880         public View getView(int position, View convertView, ViewGroup parent) {
 881             View v = super.getView(position, convertView, parent);
 882
 883             ((TextView) v).setTextColor(getResources().getColorStateList(
 884                     android.R.color.white));
 885
 886             fixRoot((TextView) v );
 887             return v;
 888         }
 889
 890         public View getDropDownView(int position, View convertView,
 891                 ViewGroup parent) {
 892             View v = super.getDropDownView(position, convertView, parent);
 893
 894             ((TextView) v).setTextColor(getResources().getColorStateList(
 895                     android.R.color.white));
 896
 897             fixRoot((TextView) v );
 898             return v;
 899         }
 900
 901         private void fixRoot(TextView v) {
 902             if (v.getText().equals(OCFile.PATH_SEPARATOR)) {
 903                 v.setText(R.string.default_display_name_for_root_folder);
 904             }
 905         }
 906
 907     }
 908
 909     private class SyncBroadcastReceiver extends BroadcastReceiver {
 910
 911         /**
 912          * {@link BroadcastReceiver} to enable syncing feedback in UI
 913          */
 914         @Override
 915         public void onReceive(Context context, Intent intent) {
 916             String event = intent.getAction();
 917             Log_OC.d(TAG, "Received broadcast " + event);
 918             String accountName = intent.getStringExtra(FileSyncAdapter.EXTRA_ACCOUNT_NAME);
 919             String synchFolderRemotePath = intent.getStringExtra(FileSyncAdapter.EXTRA_FOLDER_PATH);
 920             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncAdapter.EXTRA_RESULT);
 921             boolean sameAccount = (getAccount() != null && accountName.equals(getAccount().name) && getStorageManager() != null);
 922
 923             if (sameAccount) {
 924
 925                 if (FileSyncAdapter.EVENT_FULL_SYNC_START.equals(event)) {
 926                     mSyncInProgress = true;
 927
 928                 } else {
 929                     OCFile currentFile = (getFile() == null) ? null : getStorageManager().getFileByPath(getFile().getRemotePath());
 930                     OCFile currentDir = (getCurrentDir() == null) ? null : getStorageManager().getFileByPath(getCurrentDir().getRemotePath());
 931
 932                     if (currentDir == null) {
 933                         // current folder was removed from the server
 934                         Toast.makeText( FileDisplayActivity.this,
 935                                         String.format(getString(R.string.sync_current_folder_was_removed), mDirectories.getItem(0)),
 936                                         Toast.LENGTH_LONG)
 937                             .show();
 938                         browseToRoot();
 939
 940                     } else {
 941                         if (currentFile == null && !getFile().isFolder()) {
 942                             // currently selected file was removed in the server, and now we know it
 943                             cleanSecondFragment();
 944                             currentFile = currentDir;
 945                         }
 946
 947                         if (synchFolderRemotePath != null && currentDir.getRemotePath().equals(synchFolderRemotePath)) {
 948                             OCFileListFragment fileListFragment = getListOfFilesFragment();
 949                             if (fileListFragment != null) {
 950                                 fileListFragment.listDirectory(currentDir);
 951                             }
 952                         }
 953                         setFile(currentFile);
 954                     }
 955
 956                     mSyncInProgress = (!FileSyncAdapter.EVENT_FULL_SYNC_END.equals(event) && !SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SHARES_SYNCED.equals(event));
 957
 958                     /*
 959                     if (synchResult != null &&
 960                         synchResult.isSuccess() &&
 961                             (SynchronizeFolderOperation.EVENT_SINGLE_FOLDER_SYNCED.equals(event) ||
 962                                 FileSyncAdapter.EVENT_FULL_SYNC_FOLDER_CONTENTS_SYNCED.equals(event)
 963                             ) &&
 964                             !mRefreshSharesInProgress &&
 965                             getFileOperationsHelper().isSharedSupported(FileDisplayActivity.this)
 966                         ) {
 967                         startGetShares();
 968                     }
 969                     */
 970
 971                 }
 972                 removeStickyBroadcast(intent);
 973                 Log_OC.d(TAG, "Setting progress visibility to " + mSyncInProgress);
 974                 setSupportProgressBarIndeterminateVisibility(mSyncInProgress /*|| mRefreshSharesInProgress*/);
 975             }
 976
 977             if (synchResult != null) {
 978                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 979                     mLastSslUntrustedServerResult = synchResult;
 980                     showDialog(DIALOG_SSL_VALIDATOR);
 981                 }
 982             }
 983         }
 984     }
 985
 986
 987     private class UploadFinishReceiver extends BroadcastReceiver {
 988         /**
 989          * Once the file upload has finished -> update view
 990          *  @author David A. Velasco
 991          * {@link BroadcastReceiver} to enable upload feedback in UI
 992          */
 993         @Override
 994         public void onReceive(Context context, Intent intent) {
 995             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 996             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 997             boolean sameAccount = getAccount() != null && accountName.equals(getAccount().name);
 998             OCFile currentDir = getCurrentDir();
 999             boolean isDescendant = (currentDir != null) && (uploadedRemotePath != null) && (uploadedRemotePath.startsWith(currentDir.getRemotePath()));
1000             if (sameAccount && isDescendant) {
1001                 refeshListOfFilesFragment();
1002             }
1003         }
1004
1005     }
1006
1007
1008     /**
1009      * Class waiting for broadcast events from the {@link FielDownloader} service.
1010      *
1011      * Updates the UI when a download is started or finished, provided that it is relevant for the
1012      * current folder.
1013      */
1014     private class DownloadFinishReceiver extends BroadcastReceiver {
1015         @Override
1016         public void onReceive(Context context, Intent intent) {
1017             boolean sameAccount = isSameAccount(context, intent);
1018             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1019             boolean isDescendant = isDescendant(downloadedRemotePath);
1020
1021             if (sameAccount && isDescendant) {
1022                 refeshListOfFilesFragment();
1023                 refreshSecondFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1024             }
1025
1026             removeStickyBroadcast(intent);
1027         }
1028
1029         private boolean isDescendant(String downloadedRemotePath) {
1030             OCFile currentDir = getCurrentDir();
1031             return (currentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(currentDir.getRemotePath()));
1032         }
1033
1034         private boolean isSameAccount(Context context, Intent intent) {
1035             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1036             return (accountName != null && getAccount() != null && accountName.equals(getAccount().name));
1037         }
1038     }
1039
1040
1041     /**
1042      * Class waiting for broadcast events from the {@link OperationsService}.
1043      *
1044      * Updates the list of files when a get for shares is finished; at this moment the refresh of shares is the only
1045      * operation performed in {@link OperationsService}.
1046      *
1047      * In the future will handle the progress or finalization of all the operations performed in {@link OperationsService},
1048      * probably all the operations associated to the app model.
1049      */
1050     private class OperationsServiceReceiver extends BroadcastReceiver {
1051
1052         @Override
1053         public void onReceive(Context context, Intent intent) {
1054             if (OperationsService.ACTION_OPERATION_ADDED.equals(intent.getAction())) {
1055
1056             } else if (OperationsService.ACTION_OPERATION_FINISHED.equals(intent.getAction())) {
1057                 //mRefreshSharesInProgress = false;
1058
1059                 Account account = intent.getParcelableExtra(OperationsService.EXTRA_ACCOUNT);
1060                 RemoteOperationResult getSharesResult = (RemoteOperationResult)intent.getSerializableExtra(OperationsService.EXTRA_RESULT);
1061                 if (getAccount() != null && account.name.equals(getAccount().name)
1062                         && getStorageManager() != null
1063                         ) {
1064                     refeshListOfFilesFragment();
1065                 }
1066                 if ((getSharesResult != null) &&
1067                         RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED.equals(getSharesResult.getCode())) {
1068                     mLastSslUntrustedServerResult = getSharesResult;
1069                     showDialog(DIALOG_SSL_VALIDATOR);
1070                 }
1071
1072                 //setSupportProgressBarIndeterminateVisibility(mRefreshSharesInProgress || mSyncInProgress);
1073             }
1074
1075         }
1076
1077     }
1078
1079     public void browseToRoot() {
1080         OCFileListFragment listOfFiles = getListOfFilesFragment();
1081         if (listOfFiles != null) {  // should never be null, indeed
1082             while (mDirectories.getCount() > 1) {
1083                 popDirname();
1084             }
1085             OCFile root = getStorageManager().getFileByPath(OCFile.ROOT_PATH);
1086             listOfFiles.listDirectory(root);
1087             setFile(listOfFiles.getCurrentFile());
1088             startSyncFolderOperation(root);
1089         }
1090         cleanSecondFragment();
1091     }
1092
1093
1094     public void browseTo(OCFile folder) {
1095         if (folder == null || !folder.isFolder()) {
1096             throw new IllegalArgumentException("Trying to browse to invalid folder " + folder);
1097         }
1098         OCFileListFragment listOfFiles = getListOfFilesFragment();
1099         if (listOfFiles != null) {
1100             setNavigationListWithFolder(folder);
1101             listOfFiles.listDirectory(folder);
1102             setFile(listOfFiles.getCurrentFile());
1103             startSyncFolderOperation(folder);
1104         } else {
1105             Log_OC.e(TAG, "Unexpected null when accessing list fragment");
1106         }
1107         cleanSecondFragment();
1108     }
1109
1110
1111     /**
1112      * {@inheritDoc}
1113      *
1114      * Updates action bar and second fragment, if in dual pane mode.
1115      */
1116     @Override
1117     public void onBrowsedDownTo(OCFile directory) {
1118         pushDirname(directory);
1119         cleanSecondFragment();
1120
1121         // Sync Folder
1122         startSyncFolderOperation(directory);
1123
1124     }
1125
1126     /**
1127      * Opens the image gallery showing the image {@link OCFile} received as parameter.
1128      *
1129      * @param file                      Image {@link OCFile} to show.
1130      */
1131     @Override
1132     public void startImagePreview(OCFile file) {
1133         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1134         showDetailsIntent.putExtra(EXTRA_FILE, file);
1135         showDetailsIntent.putExtra(EXTRA_ACCOUNT, getAccount());
1136         startActivity(showDetailsIntent);
1137     }
1138
1139     /**
1140      * Stars the preview of an already down media {@link OCFile}.
1141      *
1142      * @param file                      Media {@link OCFile} to preview.
1143      * @param startPlaybackPosition     Media position where the playback will be started, in milliseconds.
1144      * @param autoplay                  When 'true', the playback will start without user interactions.
1145      */
1146     @Override
1147     public void startMediaPreview(OCFile file, int startPlaybackPosition, boolean autoplay) {
1148         Fragment mediaFragment = new PreviewMediaFragment(file, getAccount(), startPlaybackPosition, autoplay);
1149         setSecondFragment(mediaFragment);
1150         updateFragmentsVisibility(true);
1151         updateNavigationElementsInActionBar(file);
1152         setFile(file);
1153     }
1154
1155     /**
1156      * Requests the download of the received {@link OCFile} , updates the UI
1157      * to monitor the download progress and prepares the activity to preview
1158      * or open the file when the download finishes.
1159      *
1160      * @param file          {@link OCFile} to download and preview.
1161      */
1162     @Override
1163     public void startDownloadForPreview(OCFile file) {
1164         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1165         setSecondFragment(detailFragment);
1166         mWaitingToPreview = file;
1167         requestForDownload();
1168         updateFragmentsVisibility(true);
1169         updateNavigationElementsInActionBar(file);
1170         setFile(file);
1171     }
1172
1173
1174     /**
1175      * Shows the information of the {@link OCFile} received as a
1176      * parameter in the second fragment.
1177      *
1178      * @param file          {@link OCFile} whose details will be shown
1179      */
1180     @Override
1181     public void showDetails(OCFile file) {
1182         Fragment detailFragment = new FileDetailFragment(file, getAccount());
1183         setSecondFragment(detailFragment);
1184         updateFragmentsVisibility(true);
1185         updateNavigationElementsInActionBar(file);
1186         setFile(file);
1187     }
1188
1189
1190     /**
1191      * TODO
1192      */
1193     private void updateNavigationElementsInActionBar(OCFile chosenFile) {
1194         ActionBar actionBar = getSupportActionBar();
1195         if (chosenFile == null || mDualPane) {
1196             // only list of files - set for browsing through folders
1197             OCFile currentDir = getCurrentDir();
1198             boolean noRoot = (currentDir != null && currentDir.getParentId() != 0);
1199             actionBar.setDisplayHomeAsUpEnabled(noRoot);
1200             actionBar.setDisplayShowTitleEnabled(!noRoot);
1201             if (!noRoot) {
1202                 actionBar.setTitle(getString(R.string.default_display_name_for_root_folder));
1203             }
1204             actionBar.setNavigationMode(!noRoot ? ActionBar.NAVIGATION_MODE_STANDARD : ActionBar.NAVIGATION_MODE_LIST);
1205             actionBar.setListNavigationCallbacks(mDirectories, this);   // assuming mDirectories is updated
1206
1207         } else {
1208             actionBar.setDisplayHomeAsUpEnabled(true);
1209             actionBar.setDisplayShowTitleEnabled(true);
1210             actionBar.setTitle(chosenFile.getFileName());
1211             actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
1212         }
1213     }
1214
1215
1216     /**
1217      * {@inheritDoc}
1218      */
1219     @Override
1220     public void onFileStateChanged() {
1221         refeshListOfFilesFragment();
1222         updateNavigationElementsInActionBar(getSecondFragment().getFile());
1223     }
1224
1225
1226     /**
1227      * {@inheritDoc}
1228      */
1229     @Override
1230     public FileDownloaderBinder getFileDownloaderBinder() {
1231         return mDownloaderBinder;
1232     }
1233
1234
1235     /**
1236      * {@inheritDoc}
1237      */
1238     @Override
1239     public FileUploaderBinder getFileUploaderBinder() {
1240         return mUploaderBinder;
1241     }
1242
1243
1244     /** Defines callbacks for service binding, passed to bindService() */
1245     private class ListServiceConnection implements ServiceConnection {
1246
1247         @Override
1248         public void onServiceConnected(ComponentName component, IBinder service) {
1249             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1250                 Log_OC.d(TAG, "Download service connected");
1251                 mDownloaderBinder = (FileDownloaderBinder) service;
1252                 if (mWaitingToPreview != null) {
1253                     requestForDownload();
1254                 }
1255
1256             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1257                 Log_OC.d(TAG, "Upload service connected");
1258                 mUploaderBinder = (FileUploaderBinder) service;
1259             } else {
1260                 return;
1261             }
1262             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1263             OCFileListFragment listOfFiles = getListOfFilesFragment();
1264             if (listOfFiles != null) {
1265                 listOfFiles.listDirectory();
1266             }
1267             FileFragment secondFragment = getSecondFragment();
1268             if (secondFragment != null && secondFragment instanceof FileDetailFragment) {
1269                 FileDetailFragment detailFragment = (FileDetailFragment)secondFragment;
1270                 detailFragment.listenForTransferProgress();
1271                 detailFragment.updateFileDetails(false, false);
1272             }
1273         }
1274
1275         @Override
1276         public void onServiceDisconnected(ComponentName component) {
1277             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1278                 Log_OC.d(TAG, "Download service disconnected");
1279                 mDownloaderBinder = null;
1280             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1281                 Log_OC.d(TAG, "Upload service disconnected");
1282                 mUploaderBinder = null;
1283             }
1284         }
1285     };
1286
1287
1288
1289     /**
1290      * Launch an intent to request the PIN code to the user before letting him use the app
1291      */
1292     private void requestPinCode() {
1293         boolean pinStart = false;
1294         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1295         pinStart = appPrefs.getBoolean("set_pincode", false);
1296         if (pinStart) {
1297             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1298             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1299             startActivity(i);
1300         }
1301     }
1302
1303
1304     @Override
1305     public void onSavedCertificate() {
1306         startSyncFolderOperation(getCurrentDir());
1307     }
1308
1309
1310     @Override
1311     public void onFailedSavingCertificate() {
1312         showDialog(DIALOG_CERT_NOT_SAVED);
1313     }
1314
1315
1316     /**
1317      * Updates the view associated to the activity after the finish of some operation over files
1318      * in the current account.
1319      *
1320      * @param operation     Removal operation performed.
1321      * @param result        Result of the removal.
1322      */
1323     @Override
1324     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1325         super.onRemoteOperationFinish(operation, result);
1326
1327         if (operation instanceof RemoveFileOperation) {
1328             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1329
1330         } else if (operation instanceof RenameFileOperation) {
1331             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1332
1333         } else if (operation instanceof SynchronizeFileOperation) {
1334             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1335
1336         } else if (operation instanceof CreateFolderOperation) {
1337             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
1338
1339         } else if (operation instanceof CreateShareOperation) {
1340             onCreateShareOperationFinish((CreateShareOperation) operation, result);
1341
1342         } else if (operation instanceof UnshareLinkOperation) {
1343             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
1344
1345         }
1346
1347     }
1348
1349
1350     private void onCreateShareOperationFinish(CreateShareOperation operation, RemoteOperationResult result) {
1351         if (result.isSuccess()) {
1352             refreshShowDetails();
1353             refeshListOfFilesFragment();
1354         }
1355     }
1356
1357
1358     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
1359         if (result.isSuccess()) {
1360             refreshShowDetails();
1361             refeshListOfFilesFragment();
1362         } else if (result.getCode() == ResultCode.SHARE_NOT_FOUND) {
1363             cleanSecondFragment();
1364             refeshListOfFilesFragment();
1365         }
1366     }
1367
1368     private void refreshShowDetails() {
1369         FileFragment details = getSecondFragment();
1370         if (details != null) {
1371             OCFile file = details.getFile();
1372             if (file != null) {
1373                 file = getStorageManager().getFileByPath(file.getRemotePath());
1374                 if (details instanceof PreviewMediaFragment) {
1375                     // Refresh  OCFile of the fragment
1376                     ((PreviewMediaFragment) details).updateFile(file);
1377                 } else {
1378                     showDetails(file);
1379                 }
1380             }
1381             invalidateOptionsMenu();
1382         }
1383     }
1384
1385     /**
1386      * Updates the view associated to the activity after the finish of an operation trying to remove a
1387      * file.
1388      *
1389      * @param operation     Removal operation performed.
1390      * @param result        Result of the removal.
1391      */
1392     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1393         dismissLoadingDialog();
1394         if (result.isSuccess()) {
1395             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1396             msg.show();
1397             OCFile removedFile = operation.getFile();
1398             getSecondFragment();
1399             FileFragment second = getSecondFragment();
1400             if (second != null && removedFile.equals(second.getFile())) {
1401                 cleanSecondFragment();
1402             }
1403             if (getStorageManager().getFileById(removedFile.getParentId()).equals(getCurrentDir())) {
1404                 refeshListOfFilesFragment();
1405             }
1406
1407         } else {
1408             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1409             msg.show();
1410             if (result.isSslRecoverableException()) {
1411                 mLastSslUntrustedServerResult = result;
1412                 showDialog(DIALOG_SSL_VALIDATOR);
1413             }
1414         }
1415     }
1416
1417     /**
1418      * Updates the view associated to the activity after the finish of an operation trying create a new folder
1419      *
1420      * @param operation     Creation operation performed.
1421      * @param result        Result of the creation.
1422      */
1423     private void onCreateFolderOperationFinish(CreateFolderOperation operation, RemoteOperationResult result) {
1424         if (result.isSuccess()) {
1425             dismissLoadingDialog();
1426             refeshListOfFilesFragment();
1427
1428         } else {
1429             dismissLoadingDialog();
1430             if (result.getCode() == ResultCode.INVALID_CHARACTER_IN_NAME) {
1431                 Toast.makeText(FileDisplayActivity.this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG).show();
1432             } else {
1433             try {
1434                 Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
1435                 msg.show();
1436
1437             } catch (NotFoundException e) {
1438                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
1439             }
1440             }
1441         }
1442     }
1443
1444
1445     /**
1446      * Updates the view associated to the activity after the finish of an operation trying to rename a
1447      * file.
1448      *
1449      * @param operation     Renaming operation performed.
1450      * @param result        Result of the renaming.
1451      */
1452     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1453         dismissLoadingDialog();
1454         OCFile renamedFile = operation.getFile();
1455         if (result.isSuccess()) {
1456             if (mDualPane) {
1457                 FileFragment details = getSecondFragment();
1458                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1459                     ((FileDetailFragment) details).updateFileDetails(renamedFile, getAccount());
1460                 }
1461             }
1462             if (getStorageManager().getFileById(renamedFile.getParentId()).equals(getCurrentDir())) {
1463                 refeshListOfFilesFragment();
1464             }
1465
1466         } else {
1467             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1468                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1469                 msg.show();
1470                 // TODO throw again the new rename dialog
1471             } if (result.getCode().equals(ResultCode.INVALID_CHARACTER_IN_NAME)) {
1472                 Toast msg = Toast.makeText(this, R.string.filename_forbidden_characters, Toast.LENGTH_LONG);
1473                 msg.show();
1474             } else {
1475                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1476                 msg.show();
1477                 if (result.isSslRecoverableException()) {
1478                     mLastSslUntrustedServerResult = result;
1479                     showDialog(DIALOG_SSL_VALIDATOR);
1480                 }
1481             }
1482         }
1483     }
1484
1485
1486     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1487         dismissLoadingDialog();
1488         OCFile syncedFile = operation.getLocalFile();
1489         if (!result.isSuccess()) {
1490             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1491                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1492                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1493                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, getAccount());
1494                 startActivity(i);
1495
1496             }
1497
1498         } else {
1499             if (operation.transferWasRequested()) {
1500                 refeshListOfFilesFragment();
1501                 onTransferStateChanged(syncedFile, true, true);
1502
1503             } else {
1504                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1505                 msg.show();
1506             }
1507         }
1508     }
1509
1510
1511     /**
1512      * {@inheritDoc}
1513      */
1514     @Override
1515     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1516         if (mDualPane) {
1517             FileFragment details = getSecondFragment();
1518             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1519                 if (downloading || uploading) {
1520                     ((FileDetailFragment)details).updateFileDetails(file, getAccount());
1521                 } else {
1522                     ((FileDetailFragment)details).updateFileDetails(false, true);
1523                 }
1524             }
1525         }
1526     }
1527
1528
1529     public void onDismiss(EditNameDialog dialog) {
1530         if (dialog.getResult()) {
1531             String newDirectoryName = dialog.getNewFilename().trim();
1532             Log_OC.d(TAG, "'create directory' dialog dismissed with new name " + newDirectoryName);
1533             if (newDirectoryName.length() > 0) {
1534                 String path = getCurrentDir().getRemotePath();
1535
1536                 // Create directory
1537                 path += newDirectoryName + OCFile.PATH_SEPARATOR;
1538                 RemoteOperation operation = new CreateFolderOperation(path, false, getStorageManager());
1539                 operation.execute(  getAccount(),
1540                         FileDisplayActivity.this,
1541                         FileDisplayActivity.this,
1542                         getHandler(),
1543                         FileDisplayActivity.this);
1544
1545                 showLoadingDialog();
1546             }
1547         }
1548     }
1549
1550
1551     private void requestForDownload() {
1552         Account account = getAccount();
1553         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1554             Intent i = new Intent(this, FileDownloader.class);
1555             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1556             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1557             startService(i);
1558         }
1559     }
1560
1561
1562     private OCFile getCurrentDir() {
1563         OCFile file = getFile();
1564         if (file != null) {
1565             if (file.isFolder()) {
1566                 return file;
1567             } else if (getStorageManager() != null) {
1568                 String parentPath = file.getRemotePath().substring(0, file.getRemotePath().lastIndexOf(file.getFileName()));
1569                 return getStorageManager().getFileByPath(parentPath);
1570             }
1571         }
1572         return null;
1573     }
1574
1575     public void startSyncFolderOperation(OCFile folder) {
1576         long currentSyncTime = System.currentTimeMillis();
1577
1578         mSyncInProgress = true;
1579
1580         // perform folder synchronization
1581         RemoteOperation synchFolderOp = new SynchronizeFolderOperation( folder,
1582                                                                         currentSyncTime,
1583                                                                         false,
1584                                                                         getFileOperationsHelper().isSharedSupported(this),
1585                                                                         getStorageManager(),
1586                                                                         getAccount(),
1587                                                                         getApplicationContext()
1588                                                                       );
1589         synchFolderOp.execute(getAccount(), this, null, null, this);
1590
1591         setSupportProgressBarIndeterminateVisibility(true);
1592     }
1593
1594     /*
1595     private void startGetShares() {
1596         // Get shared files/folders
1597         Intent intent = new Intent(this, OperationsService.class);
1598         intent.putExtra(OperationsService.EXTRA_ACCOUNT, getAccount());
1599         startService(intent);
1600
1601         mRefreshSharesInProgress = true;
1602     }
1603     */
1604
1605 }