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 as published by
   7  *   the Free Software Foundation, either version 3 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.ui.activity;
  21
  22 import java.io.File;
  23
  24 import android.accounts.Account;
  25 import android.app.AlertDialog;
  26 import android.app.ProgressDialog;
  27 import android.app.AlertDialog.Builder;
  28 import android.app.Dialog;
  29 import android.content.BroadcastReceiver;
  30 import android.content.ComponentName;
  31 import android.content.ContentResolver;
  32 import android.content.Context;
  33 import android.content.DialogInterface;
  34 import android.content.DialogInterface.OnClickListener;
  35 import android.content.Intent;
  36 import android.content.IntentFilter;
  37 import android.content.ServiceConnection;
  38 import android.content.SharedPreferences;
  39 import android.content.SharedPreferences.Editor;
  40 import android.content.pm.PackageInfo;
  41 import android.content.pm.PackageManager.NameNotFoundException;
  42 import android.content.res.Resources.NotFoundException;
  43 import android.database.Cursor;
  44 import android.graphics.Bitmap;
  45 import android.graphics.drawable.BitmapDrawable;
  46 import android.net.Uri;
  47 import android.os.Bundle;
  48 import android.os.Handler;
  49 import android.os.IBinder;
  50 import android.preference.PreferenceManager;
  51 import android.provider.MediaStore;
  52 import android.support.v4.app.Fragment;
  53 import android.support.v4.app.FragmentTransaction;
  54 import android.util.Log;
  55 import android.view.View;
  56 import android.view.ViewGroup;
  57 import android.widget.ArrayAdapter;
  58 import android.widget.EditText;
  59 import android.widget.TextView;
  60 import android.widget.Toast;
  61
  62 import com.actionbarsherlock.app.ActionBar;
  63 import com.actionbarsherlock.app.ActionBar.OnNavigationListener;
  64 import com.actionbarsherlock.app.SherlockFragmentActivity;
  65 import com.actionbarsherlock.view.Menu;
  66 import com.actionbarsherlock.view.MenuInflater;
  67 import com.actionbarsherlock.view.MenuItem;
  68 import com.actionbarsherlock.view.Window;
  69 import com.owncloud.android.AccountUtils;
  70 import com.owncloud.android.authenticator.AccountAuthenticator;
  71 import com.owncloud.android.datamodel.DataStorageManager;
  72 import com.owncloud.android.datamodel.FileDataStorageManager;
  73 import com.owncloud.android.datamodel.OCFile;
  74 import com.owncloud.android.files.services.FileDownloader;
  75 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  76 import com.owncloud.android.files.services.FileObserverService;
  77 import com.owncloud.android.files.services.FileUploader;
  78 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  79 import com.owncloud.android.network.OwnCloudClientUtils;
  80 import com.owncloud.android.operations.OnRemoteOperationListener;
  81 import com.owncloud.android.operations.RemoteOperation;
  82 import com.owncloud.android.operations.RemoteOperationResult;
  83 import com.owncloud.android.operations.RemoveFileOperation;
  84 import com.owncloud.android.operations.RenameFileOperation;
  85 import com.owncloud.android.operations.SynchronizeFileOperation;
  86 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  87 import com.owncloud.android.syncadapter.FileSyncService;
  88 import com.owncloud.android.ui.dialog.ChangelogDialog;
  89 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  90 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  91 import com.owncloud.android.ui.fragment.FileDetailFragment;
  92 import com.owncloud.android.ui.fragment.FileFragment;
  93 import com.owncloud.android.ui.fragment.OCFileListFragment;
  94 import com.owncloud.android.ui.preview.PreviewImageActivity;
  95 import com.owncloud.android.ui.preview.PreviewImageFragment;
  96 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  97
  98 import com.owncloud.android.R;
  99 import eu.alefzero.webdav.WebdavClient;
 100
 101 /**
 102  * Displays, what files the user has available in his ownCloud.
 103  *
 104  * @author Bartek Przybylski
 105  * @author David A. Velasco
 106  */
 107
 108 public class FileDisplayActivity extends SherlockFragmentActivity implements
 109     OCFileListFragment.ContainerActivity, FileFragment.ContainerActivity, OnNavigationListener, OnSslValidatorListener, OnRemoteOperationListener {
 110
 111     private ArrayAdapter<String> mDirectories;
 112     private OCFile mCurrentDir = null;
 113     private OCFile mCurrentFile = null;
 114
 115     private DataStorageManager mStorageManager;
 116     private SyncBroadcastReceiver mSyncBroadcastReceiver;
 117     private UploadFinishReceiver mUploadFinishReceiver;
 118     private DownloadFinishReceiver mDownloadFinishReceiver;
 119     private FileDownloaderBinder mDownloaderBinder = null;
 120     private FileUploaderBinder mUploaderBinder = null;
 121     private ServiceConnection mDownloadConnection = null, mUploadConnection = null;
 122     private RemoteOperationResult mLastSslUntrustedServerResult = null;
 123
 124     private OCFileListFragment mFileList;
 125
 126     private boolean mDualPane;
 127
 128     private static final int DIALOG_SETUP_ACCOUNT = 0;
 129     private static final int DIALOG_CREATE_DIR = 1;
 130     private static final int DIALOG_ABOUT_APP = 2;
 131     public static final int DIALOG_SHORT_WAIT = 3;
 132     private static final int DIALOG_CHOOSE_UPLOAD_SOURCE = 4;
 133     private static final int DIALOG_SSL_VALIDATOR = 5;
 134     private static final int DIALOG_CERT_NOT_SAVED = 6;
 135     private static final String DIALOG_CHANGELOG_TAG = "DIALOG_CHANGELOG";
 136
 137
 138     private static final int ACTION_SELECT_CONTENT_FROM_APPS = 1;
 139     private static final int ACTION_SELECT_MULTIPLE_FILES = 2;
 140
 141     private static final String TAG = "FileDisplayActivity";
 142
 143     private static int[] mMenuIdentifiersToPatch = {R.id.action_about_app};
 144
 145     private OCFile mWaitingToPreview;
 146     private Handler mHandler;
 147
 148
 149     @Override
 150     public void onCreate(Bundle savedInstanceState) {
 151         Log.d(getClass().toString(), "onCreate() start");
 152         super.onCreate(savedInstanceState);
 153
 154         /// Load of parameters from received intent
 155         mCurrentDir = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE); // no check necessary, mCurrenDir == null if the parameter is not in the intent
 156         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 157         if (account != null)
 158             AccountUtils.setCurrentOwnCloudAccount(this, account.name);
 159
 160         /// Load of saved instance state: keep this always before initDataFromCurrentAccount()
 161         if(savedInstanceState != null) {
 162             // TODO - test if savedInstanceState should take precedence over file in the intent ALWAYS (now), NEVER, or SOME TIMES
 163             mCurrentDir = savedInstanceState.getParcelable(FileDetailFragment.EXTRA_FILE);
 164             mWaitingToPreview = (OCFile) savedInstanceState.getParcelable(FileDetailActivity.KEY_WAITING_TO_PREVIEW);
 165
 166         } else {
 167             mWaitingToPreview = null;
 168         }
 169
 170         if (!AccountUtils.accountsAreSetup(this)) {
 171             /// no account available: FORCE ACCOUNT CREATION
 172             mStorageManager = null;
 173             createFirstAccount();
 174
 175         } else {    /// at least an account is available
 176
 177             initDataFromCurrentAccount();   // it checks mCurrentDir and mCurrentFile with the current account
 178
 179         }
 180
 181         mUploadConnection = new ListServiceConnection();
 182         mDownloadConnection = new ListServiceConnection();
 183         bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 184         bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 185
 186         // PIN CODE request ;  best location is to decide, let's try this first
 187         if (getIntent().getAction() != null && getIntent().getAction().equals(Intent.ACTION_MAIN) && savedInstanceState == null) {
 188             requestPinCode();
 189         }
 190
 191         // file observer
 192         Intent observer_intent = new Intent(this, FileObserverService.class);
 193         observer_intent.putExtra(FileObserverService.KEY_FILE_CMD, FileObserverService.CMD_INIT_OBSERVED_LIST);
 194         startService(observer_intent);
 195
 196
 197         /// USER INTERFACE
 198         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 199
 200         // Drop-down navigation
 201         mDirectories = new CustomArrayAdapter<String>(this, R.layout.sherlock_spinner_dropdown_item);
 202         OCFile currFile = mCurrentDir;
 203         while(currFile != null && currFile.getFileName() != OCFile.PATH_SEPARATOR) {
 204             mDirectories.add(currFile.getFileName());
 205             currFile = mStorageManager.getFileById(currFile.getParentId());
 206         }
 207         mDirectories.add(OCFile.PATH_SEPARATOR);
 208
 209         // Inflate and set the layout view
 210         setContentView(R.layout.files);
 211         mFileList = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 212         mDualPane = (findViewById(R.id.file_details_container) != null);
 213         if (mDualPane) {
 214             initFileDetailsInDualPane();
 215         } else {
 216             // quick patchES to fix problem in turn from landscape to portrait, when a file is selected in the right pane
 217             // TODO serious refactorization in activities and fragments providing file browsing and handling
 218             if (mCurrentFile != null) {
 219                 onFileClick(mCurrentFile);
 220                 mCurrentFile = null;
 221             }
 222             Fragment rightPanel = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 223             if (rightPanel != null) {
 224                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 225                 transaction.remove(rightPanel);
 226                 transaction.commit();
 227             }
 228         }
 229
 230         // Action bar setup
 231         ActionBar actionBar = getSupportActionBar();
 232         actionBar.setHomeButtonEnabled(true);   // mandatory since Android ICS, according to the official documentation
 233         actionBar.setDisplayHomeAsUpEnabled(mCurrentDir != null && mCurrentDir.getParentId() != 0);
 234         actionBar.setDisplayShowTitleEnabled(false);
 235         actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
 236         actionBar.setListNavigationCallbacks(mDirectories, this);
 237         setSupportProgressBarIndeterminateVisibility(false);        // always AFTER setContentView(...) ; to workaround bug in its implementation
 238
 239
 240         // show changelog, if needed
 241         showChangeLog();
 242
 243         Log.d(getClass().toString(), "onCreate() end");
 244     }
 245
 246
 247     /**
 248      * Shows a dialog with the change log of the current version after each app update
 249      *
 250      *  TODO make it permanent; by now, only to advice the workaround app for 4.1.x
 251      */
 252     private void showChangeLog() {
 253         if (android.os.Build.VERSION.SDK_INT == android.os.Build.VERSION_CODES.JELLY_BEAN) {
 254             final String KEY_VERSION = "version";
 255             SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
 256             int currentVersionNumber = 0;
 257             int savedVersionNumber = sharedPref.getInt(KEY_VERSION, 0);
 258             try {
 259                 PackageInfo pi          = getPackageManager().getPackageInfo(getPackageName(), 0);
 260                 currentVersionNumber    = pi.versionCode;
 261             } catch (Exception e) {}
 262
 263             if (currentVersionNumber > savedVersionNumber) {
 264                 ChangelogDialog.newInstance(true).show(getSupportFragmentManager(), DIALOG_CHANGELOG_TAG);
 265                 Editor editor   = sharedPref.edit();
 266                 editor.putInt(KEY_VERSION, currentVersionNumber);
 267                 editor.commit();
 268             }
 269         }
 270     }
 271
 272
 273     /**
 274      * Launches the account creation activity. To use when no ownCloud account is available
 275      */
 276     private void createFirstAccount() {
 277         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 278         intent.putExtra(android.provider.Settings.EXTRA_AUTHORITIES, new String[] { AccountAuthenticator.AUTH_TOKEN_TYPE });
 279         startActivity(intent);  // the new activity won't be created until this.onStart() and this.onResume() are finished;
 280     }
 281
 282
 283     /**
 284      *  Load of state dependent of the existence of an ownCloud account
 285      */
 286     private void initDataFromCurrentAccount() {
 287         /// Storage manager initialization - access to local database
 288         mStorageManager = new FileDataStorageManager(
 289                 AccountUtils.getCurrentOwnCloudAccount(this),
 290                 getContentResolver());
 291
 292         /// Check if mCurrentDir is a directory
 293         if(mCurrentDir != null && !mCurrentDir.isDirectory()) {
 294             mCurrentFile = mCurrentDir;
 295             mCurrentDir = mStorageManager.getFileById(mCurrentDir.getParentId());
 296         }
 297
 298         /// Check if mCurrentDir and mCurrentFile are in the current account, and update them
 299         if (mCurrentDir != null) {
 300             mCurrentDir = mStorageManager.getFileByPath(mCurrentDir.getRemotePath());   // mCurrentDir == null if it is not in the current account
 301         }
 302         if (mCurrentFile != null) {
 303             if (mCurrentFile.fileExists()) {
 304                 mCurrentFile = mStorageManager.getFileByPath(mCurrentFile.getRemotePath());   // mCurrentFile == null if it is not in the current account
 305             }   // else : keep mCurrentFile with the received value; this is currently the case of an upload in progress, when the user presses the status notification in a landscape tablet
 306         }
 307
 308         /// Default to root if mCurrentDir was not found
 309         if (mCurrentDir == null) {
 310             mCurrentDir = mStorageManager.getFileByPath("/"); // will be NULL if the database was never synchronized
 311         }
 312     }
 313
 314
 315     private void initFileDetailsInDualPane() {
 316         if (mDualPane && getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG) == null) {
 317             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 318             if (mCurrentFile != null) {
 319                 if (PreviewMediaFragment.canBePreviewed(mCurrentFile)) {
 320                     if (mCurrentFile.isDown()) {
 321                         transaction.replace(R.id.file_details_container, new PreviewMediaFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 322                     } else {
 323                         transaction.replace(R.id.file_details_container, new FileDetailFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 324                         mWaitingToPreview = mCurrentFile;
 325                     }
 326                 } else {
 327                     transaction.replace(R.id.file_details_container, new FileDetailFragment(mCurrentFile, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
 328                 }
 329                 mCurrentFile = null;
 330
 331             } else {
 332                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
 333             }
 334             transaction.commit();
 335         }
 336     }
 337
 338
 339     @Override
 340     public void onDestroy() {
 341         super.onDestroy();
 342         if (mDownloadConnection != null)
 343             unbindService(mDownloadConnection);
 344         if (mUploadConnection != null)
 345             unbindService(mUploadConnection);
 346     }
 347
 348
 349     @Override
 350     public boolean onCreateOptionsMenu(Menu menu) {
 351         MenuInflater inflater = getSherlock().getMenuInflater();
 352             inflater.inflate(R.menu.main_menu, menu);
 353
 354             patchHiddenAccents(menu);
 355
 356             return true;
 357     }
 358
 359     /**
 360      * Workaround for this: <a href="http://code.google.com/p/android/issues/detail?id=3974">http://code.google.com/p/android/issues/detail?id=3974</a>
 361      *
 362      * @param menu      Menu to patch
 363      */
 364     private void patchHiddenAccents(Menu menu) {
 365         for (int i = 0; i < mMenuIdentifiersToPatch.length ; i++) {
 366             MenuItem aboutItem = menu.findItem(mMenuIdentifiersToPatch[i]);
 367             if (aboutItem != null && aboutItem.getIcon() instanceof BitmapDrawable) {
 368                 // Clip off the bottom three (density independent) pixels of transparent padding
 369                 Bitmap original = ((BitmapDrawable) aboutItem.getIcon()).getBitmap();
 370                 float scale = getResources().getDisplayMetrics().density;
 371                 int clippedHeight = (int) (original.getHeight() - (3 * scale));
 372                 Bitmap scaled = Bitmap.createBitmap(original, 0, 0, original.getWidth(), clippedHeight);
 373                 aboutItem.setIcon(new BitmapDrawable(getResources(), scaled));
 374             }
 375         }
 376     }
 377
 378
 379     @Override
 380     public boolean onOptionsItemSelected(MenuItem item) {
 381         boolean retval = true;
 382         switch (item.getItemId()) {
 383             case R.id.action_create_dir: {
 384                 showDialog(DIALOG_CREATE_DIR);
 385                 break;
 386             }
 387             case R.id.action_sync_account: {
 388                 startSynchronization();
 389                 break;
 390             }
 391             case R.id.action_upload: {
 392                 showDialog(DIALOG_CHOOSE_UPLOAD_SOURCE);
 393                 break;
 394             }
 395             case R.id.action_settings: {
 396                 Intent settingsIntent = new Intent(this, Preferences.class);
 397                 startActivity(settingsIntent);
 398                 break;
 399             }
 400             case R.id.action_about_app: {
 401                 showDialog(DIALOG_ABOUT_APP);
 402                 break;
 403             }
 404             case android.R.id.home: {
 405                 if(mCurrentDir != null && mCurrentDir.getParentId() != 0){
 406                     onBackPressed();
 407                 }
 408                 break;
 409             }
 410             default:
 411                 retval = super.onOptionsItemSelected(item);
 412         }
 413         return retval;
 414     }
 415
 416     private void startSynchronization() {
 417         ContentResolver.cancelSync(null, AccountAuthenticator.AUTH_TOKEN_TYPE);   // cancel the current synchronizations of any ownCloud account
 418         Bundle bundle = new Bundle();
 419         bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 420         ContentResolver.requestSync(
 421                 AccountUtils.getCurrentOwnCloudAccount(this),
 422                 AccountAuthenticator.AUTH_TOKEN_TYPE, bundle);
 423     }
 424
 425
 426     @Override
 427     public boolean onNavigationItemSelected(int itemPosition, long itemId) {
 428         int i = itemPosition;
 429         while (i-- != 0) {
 430             onBackPressed();
 431         }
 432         // the next operation triggers a new call to this method, but it's necessary to
 433         // ensure that the name exposed in the action bar is the current directory when the
 434         // user selected it in the navigation list
 435         if (itemPosition != 0)
 436             getSupportActionBar().setSelectedNavigationItem(0);
 437         return true;
 438     }
 439
 440     /**
 441      * Called, when the user selected something for uploading
 442      */
 443     public void onActivityResult(int requestCode, int resultCode, Intent data) {
 444
 445         if (requestCode == ACTION_SELECT_CONTENT_FROM_APPS && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 446             requestSimpleUpload(data, resultCode);
 447
 448         } else if (requestCode == ACTION_SELECT_MULTIPLE_FILES && (resultCode == RESULT_OK || resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)) {
 449             requestMultipleUpload(data, resultCode);
 450
 451         }
 452     }
 453
 454     private void requestMultipleUpload(Intent data, int resultCode) {
 455         String[] filePaths = data.getStringArrayExtra(UploadFilesActivity.EXTRA_CHOSEN_FILES);
 456         if (filePaths != null) {
 457             String[] remotePaths = new String[filePaths.length];
 458             String remotePathBase = "";
 459             for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 460                 remotePathBase += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 461             }
 462             if (!remotePathBase.endsWith(OCFile.PATH_SEPARATOR))
 463                 remotePathBase += OCFile.PATH_SEPARATOR;
 464             for (int j = 0; j< remotePaths.length; j++) {
 465                 remotePaths[j] = remotePathBase + (new File(filePaths[j])).getName();
 466             }
 467
 468             Intent i = new Intent(this, FileUploader.class);
 469             i.putExtra(FileUploader.KEY_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
 470             i.putExtra(FileUploader.KEY_LOCAL_FILE, filePaths);
 471             i.putExtra(FileUploader.KEY_REMOTE_FILE, remotePaths);
 472             i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 473             if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 474                 i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 475             startService(i);
 476
 477         } else {
 478             Log.d("FileDisplay", "User clicked on 'Update' with no selection");
 479             Toast t = Toast.makeText(this, getString(R.string.filedisplay_no_file_selected), Toast.LENGTH_LONG);
 480             t.show();
 481             return;
 482         }
 483     }
 484
 485
 486     private void requestSimpleUpload(Intent data, int resultCode) {
 487         String filepath = null;
 488         try {
 489             Uri selectedImageUri = data.getData();
 490
 491             String filemanagerstring = selectedImageUri.getPath();
 492             String selectedImagePath = getPath(selectedImageUri);
 493
 494             if (selectedImagePath != null)
 495                 filepath = selectedImagePath;
 496             else
 497                 filepath = filemanagerstring;
 498
 499         } catch (Exception e) {
 500             Log.e("FileDisplay", "Unexpected exception when trying to read the result of Intent.ACTION_GET_CONTENT", e);
 501             e.printStackTrace();
 502
 503         } finally {
 504             if (filepath == null) {
 505                 Log.e("FileDisplay", "Couldnt resolve path to file");
 506                 Toast t = Toast.makeText(this, getString(R.string.filedisplay_unexpected_bad_get_content), Toast.LENGTH_LONG);
 507                 t.show();
 508                 return;
 509             }
 510         }
 511
 512         Intent i = new Intent(this, FileUploader.class);
 513         i.putExtra(FileUploader.KEY_ACCOUNT,
 514                 AccountUtils.getCurrentOwnCloudAccount(this));
 515         String remotepath = new String();
 516         for (int j = mDirectories.getCount() - 2; j >= 0; --j) {
 517             remotepath += OCFile.PATH_SEPARATOR + mDirectories.getItem(j);
 518         }
 519         if (!remotepath.endsWith(OCFile.PATH_SEPARATOR))
 520             remotepath += OCFile.PATH_SEPARATOR;
 521         remotepath += new File(filepath).getName();
 522
 523         i.putExtra(FileUploader.KEY_LOCAL_FILE, filepath);
 524         i.putExtra(FileUploader.KEY_REMOTE_FILE, remotepath);
 525         i.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 526         if (resultCode == UploadFilesActivity.RESULT_OK_AND_MOVE)
 527             i.putExtra(FileUploader.KEY_LOCAL_BEHAVIOUR, FileUploader.LOCAL_BEHAVIOUR_MOVE);
 528         startService(i);
 529     }
 530
 531
 532     @Override
 533     public void onBackPressed() {
 534         if (mDirectories.getCount() <= 1) {
 535             finish();
 536             return;
 537         }
 538         popDirname();
 539         mFileList.onNavigateUp();
 540         mCurrentDir = mFileList.getCurrentFile();
 541
 542         if (mDualPane) {
 543             // Resets the FileDetailsFragment on Tablets so that it always displays
 544             Fragment fileFragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 545             if (fileFragment != null && (fileFragment instanceof PreviewMediaFragment || !((FileDetailFragment) fileFragment).isEmpty())) {
 546                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 547                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
 548                 transaction.commit();
 549             }
 550         }
 551
 552         if(mCurrentDir.getParentId() == 0){
 553             ActionBar actionBar = getSupportActionBar();
 554             actionBar.setDisplayHomeAsUpEnabled(false);
 555         }
 556     }
 557
 558     @Override
 559     protected void onSaveInstanceState(Bundle outState) {
 560         // responsibility of restore is preferred in onCreate() before than in onRestoreInstanceState when there are Fragments involved
 561         Log.d(getClass().toString(), "onSaveInstanceState() start");
 562         super.onSaveInstanceState(outState);
 563         outState.putParcelable(FileDetailFragment.EXTRA_FILE, mCurrentDir);
 564         if (mDualPane) {
 565             FileFragment fragment = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 566             if (fragment != null) {
 567                 OCFile file = fragment.getFile();
 568                 if (file != null) {
 569                     outState.putParcelable(FileDetailFragment.EXTRA_FILE, file);
 570                 }
 571             }
 572         }
 573         outState.putParcelable(FileDetailActivity.KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 574         Log.d(getClass().toString(), "onSaveInstanceState() end");
 575     }
 576
 577     @Override
 578     public void onResume() {
 579         Log.d(getClass().toString(), "onResume() start");
 580         super.onResume();
 581
 582         if (AccountUtils.accountsAreSetup(this)) {
 583
 584             if (mStorageManager == null) {
 585                 // this is necessary for handling the come back to FileDisplayActivity when the first ownCloud account is created
 586                 initDataFromCurrentAccount();
 587                 if (mDualPane) {
 588                     initFileDetailsInDualPane();
 589                 }
 590             }
 591
 592             // Listen for sync messages
 593             IntentFilter syncIntentFilter = new IntentFilter(FileSyncService.SYNC_MESSAGE);
 594             mSyncBroadcastReceiver = new SyncBroadcastReceiver();
 595             registerReceiver(mSyncBroadcastReceiver, syncIntentFilter);
 596
 597             // Listen for upload messages
 598             IntentFilter uploadIntentFilter = new IntentFilter(FileUploader.UPLOAD_FINISH_MESSAGE);
 599             mUploadFinishReceiver = new UploadFinishReceiver();
 600             registerReceiver(mUploadFinishReceiver, uploadIntentFilter);
 601
 602             // Listen for download messages
 603             IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_ADDED_MESSAGE);
 604             downloadIntentFilter.addAction(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 605             mDownloadFinishReceiver = new DownloadFinishReceiver();
 606             registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 607
 608             // List current directory
 609             mFileList.listDirectory(mCurrentDir);   // TODO we should find the way to avoid the need of this (maybe it's not necessary yet; to check)
 610
 611         } else {
 612
 613             mStorageManager = null;     // an invalid object will be there if all the ownCloud accounts are removed
 614             showDialog(DIALOG_SETUP_ACCOUNT);
 615
 616         }
 617         Log.d(getClass().toString(), "onResume() end");
 618     }
 619
 620
 621     @Override
 622     public void onPause() {
 623         Log.d(getClass().toString(), "onPause() start");
 624         super.onPause();
 625         if (mSyncBroadcastReceiver != null) {
 626             unregisterReceiver(mSyncBroadcastReceiver);
 627             mSyncBroadcastReceiver = null;
 628         }
 629         if (mUploadFinishReceiver != null) {
 630             unregisterReceiver(mUploadFinishReceiver);
 631             mUploadFinishReceiver = null;
 632         }
 633         if (mDownloadFinishReceiver != null) {
 634             unregisterReceiver(mDownloadFinishReceiver);
 635             mDownloadFinishReceiver = null;
 636         }
 637         if (!AccountUtils.accountsAreSetup(this)) {
 638             dismissDialog(DIALOG_SETUP_ACCOUNT);
 639         }
 640
 641         Log.d(getClass().toString(), "onPause() end");
 642     }
 643
 644
 645     @Override
 646     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 647         if (id == DIALOG_SSL_VALIDATOR && mLastSslUntrustedServerResult != null) {
 648             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 649         }
 650     }
 651
 652
 653     @Override
 654     protected Dialog onCreateDialog(int id) {
 655         Dialog dialog = null;
 656         AlertDialog.Builder builder;
 657         switch (id) {
 658         case DIALOG_SETUP_ACCOUNT: {
 659             builder = new AlertDialog.Builder(this);
 660             builder.setTitle(R.string.main_tit_accsetup);
 661             builder.setMessage(R.string.main_wrn_accsetup);
 662             builder.setCancelable(false);
 663             builder.setPositiveButton(android.R.string.ok, new OnClickListener() {
 664                 public void onClick(DialogInterface dialog, int which) {
 665                     createFirstAccount();
 666                     dialog.dismiss();
 667                 }
 668             });
 669             String message = String.format(getString(R.string.common_exit), getString(R.string.app_name));
 670             builder.setNegativeButton(message, new OnClickListener() {
 671                 public void onClick(DialogInterface dialog, int which) {
 672                     dialog.dismiss();
 673                     finish();
 674                 }
 675             });
 676             //builder.setNegativeButton(android.R.string.cancel, this);
 677             dialog = builder.create();
 678             break;
 679         }
 680         case DIALOG_ABOUT_APP: {
 681             builder = new AlertDialog.Builder(this);
 682             builder.setTitle(getString(R.string.about_title));
 683             PackageInfo pkg;
 684             try {
 685                 pkg = getPackageManager().getPackageInfo(getPackageName(), 0);
 686                 builder.setMessage(String.format(getString(R.string.about_message), getString(R.string.app_name), pkg.versionName));
 687                 builder.setIcon(android.R.drawable.ic_menu_info_details);
 688                 dialog = builder.create();
 689             } catch (NameNotFoundException e) {
 690                 builder = null;
 691                 dialog = null;
 692                 Log.e(TAG, "Error while showing about dialog", e);
 693             }
 694             break;
 695         }
 696         case DIALOG_CREATE_DIR: {
 697             builder = new Builder(this);
 698             final EditText dirNameInput = new EditText(getBaseContext());
 699             builder.setView(dirNameInput);
 700             builder.setTitle(R.string.uploader_info_dirname);
 701             int typed_color = getResources().getColor(R.color.setup_text_typed);
 702             dirNameInput.setTextColor(typed_color);
 703             builder.setPositiveButton(android.R.string.ok,
 704                     new OnClickListener() {
 705                         public void onClick(DialogInterface dialog, int which) {
 706                             String directoryName = dirNameInput.getText().toString();
 707                             if (directoryName.trim().length() == 0) {
 708                                 dialog.cancel();
 709                                 return;
 710                             }
 711
 712                             // Figure out the path where the dir needs to be created
 713                             String path;
 714                             if (mCurrentDir == null) {
 715                                 // this is just a patch; we should ensure that mCurrentDir never is null
 716                                 if (!mStorageManager.fileExists(OCFile.PATH_SEPARATOR)) {
 717                                     OCFile file = new OCFile(OCFile.PATH_SEPARATOR);
 718                                     mStorageManager.saveFile(file);
 719                                 }
 720                                 mCurrentDir = mStorageManager.getFileByPath(OCFile.PATH_SEPARATOR);
 721                             }
 722                             path = FileDisplayActivity.this.mCurrentDir.getRemotePath();
 723
 724                             // Create directory
 725                             path += directoryName + OCFile.PATH_SEPARATOR;
 726                             Thread thread = new Thread(new DirectoryCreator(path,  AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this), new Handler()));
 727                             thread.start();
 728
 729                             dialog.dismiss();
 730
 731                             showDialog(DIALOG_SHORT_WAIT);
 732                         }
 733                     });
 734             builder.setNegativeButton(R.string.common_cancel,
 735                     new OnClickListener() {
 736                         public void onClick(DialogInterface dialog, int which) {
 737                             dialog.cancel();
 738                         }
 739                     });
 740             dialog = builder.create();
 741             break;
 742         }
 743         case DIALOG_SHORT_WAIT: {
 744             ProgressDialog working_dialog = new ProgressDialog(this);
 745             working_dialog.setMessage(getResources().getString(
 746                     R.string.wait_a_moment));
 747             working_dialog.setIndeterminate(true);
 748             working_dialog.setCancelable(false);
 749             dialog = working_dialog;
 750             break;
 751         }
 752         case DIALOG_CHOOSE_UPLOAD_SOURCE: {
 753             final String[] items = {    getString(R.string.actionbar_upload_files),
 754                                         getString(R.string.actionbar_upload_from_apps),
 755                                         getString(R.string.actionbar_failed_instant_upload) };
 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,
 764                                 AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this));
 765                         startActivityForResult(action, ACTION_SELECT_MULTIPLE_FILES);
 766                         // } else {
 767                         // TODO create and handle new fragment
 768                         // LocalFileListFragment
 769                         // }
 770                     } else if (item == 1) {
 771                         Intent action = new Intent(Intent.ACTION_GET_CONTENT);
 772                         action = action.setType("*/*").addCategory(Intent.CATEGORY_OPENABLE);
 773                         startActivityForResult(Intent.createChooser(action, getString(R.string.upload_chooser_title)),
 774                                 ACTION_SELECT_CONTENT_FROM_APPS);
 775                     } else if (item == 2) {
 776                         Account account = AccountUtils.getCurrentOwnCloudAccount(FileDisplayActivity.this);
 777                         Intent action = new Intent(FileDisplayActivity.this, InstantUploadActivity.class);
 778                         action.putExtra(FileUploader.KEY_ACCOUNT, account);
 779                         startActivity(action);
 780                     }
 781                 }
 782             });
 783             dialog = builder.create();
 784             break;
 785         }
 786         case DIALOG_SSL_VALIDATOR: {
 787             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 788             break;
 789         }
 790         case DIALOG_CERT_NOT_SAVED: {
 791             builder = new AlertDialog.Builder(this);
 792             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 793             builder.setCancelable(false);
 794             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 795                     @Override
 796                     public void onClick(DialogInterface dialog, int which) {
 797                         dialog.dismiss();
 798                     };
 799                 });
 800             dialog = builder.create();
 801             break;
 802         }
 803         default:
 804             dialog = null;
 805         }
 806
 807         return dialog;
 808     }
 809
 810
 811     /**
 812      * Translates a content URI of an image to a physical path
 813      * on the disk
 814      * @param uri The URI to resolve
 815      * @return The path to the image or null if it could not be found
 816      */
 817     public String getPath(Uri uri) {
 818         String[] projection = { MediaStore.Images.Media.DATA };
 819         Cursor cursor = managedQuery(uri, projection, null, null, null);
 820         if (cursor != null) {
 821             int column_index = cursor
 822                     .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
 823             cursor.moveToFirst();
 824             return cursor.getString(column_index);
 825         }
 826         return null;
 827     }
 828
 829     /**
 830      * Pushes a directory to the drop down list
 831      * @param directory to push
 832      * @throws IllegalArgumentException If the {@link OCFile#isDirectory()} returns false.
 833      */
 834     public void pushDirname(OCFile directory) {
 835         if(!directory.isDirectory()){
 836             throw new IllegalArgumentException("Only directories may be pushed!");
 837         }
 838         mDirectories.insert(directory.getFileName(), 0);
 839         mCurrentDir = directory;
 840     }
 841
 842     /**
 843      * Pops a directory name from the drop down list
 844      * @return True, unless the stack is empty
 845      */
 846     public boolean popDirname() {
 847         mDirectories.remove(mDirectories.getItem(0));
 848         return !mDirectories.isEmpty();
 849     }
 850
 851     private class DirectoryCreator implements Runnable {
 852         private String mTargetPath;
 853         private Account mAccount;
 854         private Handler mHandler;
 855
 856         public DirectoryCreator(String targetPath, Account account, Handler handler) {
 857             mTargetPath = targetPath;
 858             mAccount = account;
 859             mHandler = handler;
 860         }
 861
 862         @Override
 863         public void run() {
 864             WebdavClient wdc = OwnCloudClientUtils.createOwnCloudClient(mAccount, getApplicationContext());
 865             boolean created = wdc.createDirectory(mTargetPath);
 866             if (created) {
 867                 mHandler.post(new Runnable() {
 868                     @Override
 869                     public void run() {
 870                         dismissDialog(DIALOG_SHORT_WAIT);
 871
 872                         // Save new directory in local database
 873                         OCFile newDir = new OCFile(mTargetPath);
 874                         newDir.setMimetype("DIR");
 875                         newDir.setParentId(mCurrentDir.getFileId());
 876                         mStorageManager.saveFile(newDir);
 877
 878                         // Display the new folder right away
 879                         mFileList.listDirectory();
 880                     }
 881                 });
 882
 883             } else {
 884                 mHandler.post(new Runnable() {
 885                     @Override
 886                     public void run() {
 887                         dismissDialog(DIALOG_SHORT_WAIT);
 888                         try {
 889                             Toast msg = Toast.makeText(FileDisplayActivity.this, R.string.create_dir_fail_msg, Toast.LENGTH_LONG);
 890                             msg.show();
 891
 892                         } catch (NotFoundException e) {
 893                             Log.e(TAG, "Error while trying to show fail message " , e);
 894                         }
 895                     }
 896                 });
 897             }
 898         }
 899
 900     }
 901
 902     // Custom array adapter to override text colors
 903     private class CustomArrayAdapter<T> extends ArrayAdapter<T> {
 904
 905         public CustomArrayAdapter(FileDisplayActivity ctx, int view) {
 906             super(ctx, view);
 907         }
 908
 909         public View getView(int position, View convertView, ViewGroup parent) {
 910             View v = super.getView(position, convertView, parent);
 911
 912             ((TextView) v).setTextColor(getResources().getColorStateList(
 913                     android.R.color.white));
 914             return v;
 915         }
 916
 917         public View getDropDownView(int position, View convertView,
 918                 ViewGroup parent) {
 919             View v = super.getDropDownView(position, convertView, parent);
 920
 921             ((TextView) v).setTextColor(getResources().getColorStateList(
 922                     android.R.color.white));
 923
 924             return v;
 925         }
 926
 927     }
 928
 929     private class SyncBroadcastReceiver extends BroadcastReceiver {
 930
 931         /**
 932          * {@link BroadcastReceiver} to enable syncing feedback in UI
 933          */
 934         @Override
 935         public void onReceive(Context context, Intent intent) {
 936             boolean inProgress = intent.getBooleanExtra(
 937                     FileSyncService.IN_PROGRESS, false);
 938             String accountName = intent
 939                     .getStringExtra(FileSyncService.ACCOUNT_NAME);
 940
 941             Log.d("FileDisplay", "sync of account " + accountName
 942                     + " is in_progress: " + inProgress);
 943
 944             if (accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name)) {
 945
 946                 String synchFolderRemotePath = intent.getStringExtra(FileSyncService.SYNC_FOLDER_REMOTE_PATH);
 947
 948                 boolean fillBlankRoot = false;
 949                 if (mCurrentDir == null) {
 950                     mCurrentDir = mStorageManager.getFileByPath("/");
 951                     fillBlankRoot = (mCurrentDir != null);
 952                 }
 953
 954                 if ((synchFolderRemotePath != null && mCurrentDir != null && (mCurrentDir.getRemotePath().equals(synchFolderRemotePath)))
 955                         || fillBlankRoot ) {
 956                     if (!fillBlankRoot)
 957                         mCurrentDir = getStorageManager().getFileByPath(synchFolderRemotePath);
 958                     OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager()
 959                             .findFragmentById(R.id.fileList);
 960                     if (fileListFragment != null) {
 961                         fileListFragment.listDirectory(mCurrentDir);
 962                     }
 963                 }
 964
 965                 setSupportProgressBarIndeterminateVisibility(inProgress);
 966                 removeStickyBroadcast(intent);
 967
 968             }
 969
 970             RemoteOperationResult synchResult = (RemoteOperationResult)intent.getSerializableExtra(FileSyncService.SYNC_RESULT);
 971             if (synchResult != null) {
 972                 if (synchResult.getCode().equals(RemoteOperationResult.ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED)) {
 973                     mLastSslUntrustedServerResult = synchResult;
 974                     showDialog(DIALOG_SSL_VALIDATOR);
 975                 }
 976             }
 977         }
 978     }
 979
 980
 981     private class UploadFinishReceiver extends BroadcastReceiver {
 982         /**
 983          * Once the file upload has finished -> update view
 984          *  @author David A. Velasco
 985          * {@link BroadcastReceiver} to enable upload feedback in UI
 986          */
 987         @Override
 988         public void onReceive(Context context, Intent intent) {
 989             String uploadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 990             String accountName = intent.getStringExtra(FileUploader.ACCOUNT_NAME);
 991             boolean sameAccount = accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name);
 992             boolean isDescendant = (mCurrentDir != null) && (uploadedRemotePath != null) && (uploadedRemotePath.startsWith(mCurrentDir.getRemotePath()));
 993             if (sameAccount && isDescendant) {
 994                 OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
 995                 if (fileListFragment != null) {
 996                     fileListFragment.listDirectory();
 997                 }
 998             }
 999         }
1000
1001     }
1002
1003
1004     /**
1005      * Class waiting for broadcast events from the {@link FielDownloader} service.
1006      *
1007      * Updates the UI when a download is started or finished, provided that it is relevant for the
1008      * current folder.
1009      */
1010     private class DownloadFinishReceiver extends BroadcastReceiver {
1011         @Override
1012         public void onReceive(Context context, Intent intent) {
1013             boolean sameAccount = isSameAccount(context, intent);
1014             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
1015             boolean isDescendant = isDescendant(downloadedRemotePath);
1016
1017             if (sameAccount && isDescendant) {
1018                 updateLeftPanel();
1019                 if (mDualPane) {
1020                     updateRightPanel(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
1021                 }
1022             }
1023
1024             removeStickyBroadcast(intent);
1025         }
1026
1027         private boolean isDescendant(String downloadedRemotePath) {
1028             return (mCurrentDir != null && downloadedRemotePath != null && downloadedRemotePath.startsWith(mCurrentDir.getRemotePath()));
1029         }
1030
1031         private boolean isSameAccount(Context context, Intent intent) {
1032             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
1033             return (accountName != null && accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name));
1034         }
1035     }
1036
1037
1038     protected void updateLeftPanel() {
1039         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
1040         if (fileListFragment != null) {
1041             fileListFragment.listDirectory();
1042         }
1043     }
1044
1045     protected void updateRightPanel(String downloadEvent, String downloadedRemotePath, boolean success) {
1046         Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1047         boolean waitedPreview = (mWaitingToPreview != null && mWaitingToPreview.getRemotePath().equals(downloadedRemotePath));
1048         if (fragment != null && fragment instanceof FileDetailFragment) {
1049             FileDetailFragment detailsFragment = (FileDetailFragment) fragment;
1050             OCFile fileInFragment = detailsFragment.getFile();
1051             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
1052                 // the user browsed to other file ; forget the automatic preview
1053                 mWaitingToPreview = null;
1054
1055             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_ADDED_MESSAGE)) {
1056                 // grant that the right panel updates the progress bar
1057                 detailsFragment.listenForTransferProgress();
1058                 detailsFragment.updateFileDetails(true, false);
1059
1060             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_FINISH_MESSAGE)) {
1061                 //  update the right panel
1062                 if (success && waitedPreview) {
1063                     mWaitingToPreview = mStorageManager.getFileById(mWaitingToPreview.getFileId());   // update the file from database, for the local storage path
1064                     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1065                     transaction.replace(R.id.file_details_container, new PreviewMediaFragment(mWaitingToPreview, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1066                     transaction.commit();
1067                     mWaitingToPreview = null;
1068
1069                 } else {
1070                     detailsFragment.updateFileDetails(false, (success));
1071                 }
1072             }
1073         }
1074     }
1075
1076
1077     /**
1078      * {@inheritDoc}
1079      */
1080     @Override
1081     public DataStorageManager getStorageManager() {
1082         return mStorageManager;
1083     }
1084
1085
1086     /**
1087      * {@inheritDoc}
1088      */
1089     @Override
1090     public void onDirectoryClick(OCFile directory) {
1091         pushDirname(directory);
1092         ActionBar actionBar = getSupportActionBar();
1093         actionBar.setDisplayHomeAsUpEnabled(true);
1094
1095         if (mDualPane) {
1096             // Resets the FileDetailsFragment on Tablets so that it always displays
1097             Fragment fileFragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1098             if (fileFragment != null && (fileFragment instanceof PreviewMediaFragment || !((FileDetailFragment) fileFragment).isEmpty())) {
1099                 FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1100                 transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null), FileDetailFragment.FTAG); // empty FileDetailFragment
1101                 transaction.commit();
1102             }
1103         }
1104     }
1105
1106
1107     /**
1108      * {@inheritDoc}
1109      */
1110     @Override
1111     public void onFileClick(OCFile file) {
1112         if (file != null && PreviewImageFragment.canBePreviewed(file)) {
1113             // preview image - it handles the download, if needed
1114             startPreviewImage(file);
1115
1116         } else if (file != null && PreviewMediaFragment.canBePreviewed(file)) {
1117             if (file.isDown()) {
1118                 // general preview
1119                 startMediaPreview(file);
1120
1121             } else {
1122                 // automatic download, preview on finish
1123                 startDownloadForPreview(file);
1124
1125             }
1126         } else {
1127             // details view
1128             startDetails(file);
1129         }
1130     }
1131
1132     private void startPreviewImage(OCFile file) {
1133         Intent showDetailsIntent = new Intent(this, PreviewImageActivity.class);
1134         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1135         showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1136         startActivity(showDetailsIntent);
1137     }
1138
1139     private void startMediaPreview(OCFile file) {
1140         if (mDualPane) {
1141             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1142             transaction.replace(R.id.file_details_container, new PreviewMediaFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1143             transaction.commit();
1144
1145         } else {
1146             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
1147             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1148             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1149             startActivity(showDetailsIntent);
1150         }
1151     }
1152
1153     private void startDownloadForPreview(OCFile file) {
1154         if (mDualPane) {
1155             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1156             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1157             transaction.commit();
1158             mWaitingToPreview = file;
1159             requestForDownload();
1160
1161         } else {
1162             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
1163             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1164             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1165             startActivity(showDetailsIntent);
1166         }
1167     }
1168
1169
1170     private void startDetails(OCFile file) {
1171         if (mDualPane && !file.isImage()) {
1172             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1173             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1174             transaction.commit();
1175         } else {
1176             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
1177             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1178             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1179             startActivity(showDetailsIntent);
1180         }
1181     }
1182
1183
1184     /**
1185      * {@inheritDoc}
1186      */
1187     @Override
1188     public OCFile getInitialDirectory() {
1189         return mCurrentDir;
1190     }
1191
1192
1193     /**
1194      * {@inheritDoc}
1195      */
1196     @Override
1197     public void onFileStateChanged() {
1198         OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
1199         if (fileListFragment != null) {
1200             fileListFragment.listDirectory();
1201         }
1202     }
1203
1204
1205     /**
1206      * {@inheritDoc}
1207      */
1208     @Override
1209     public FileDownloaderBinder getFileDownloaderBinder() {
1210         return mDownloaderBinder;
1211     }
1212
1213
1214     /**
1215      * {@inheritDoc}
1216      */
1217     @Override
1218     public FileUploaderBinder getFileUploaderBinder() {
1219         return mUploaderBinder;
1220     }
1221
1222
1223     /** Defines callbacks for service binding, passed to bindService() */
1224     private class ListServiceConnection implements ServiceConnection {
1225
1226         @Override
1227         public void onServiceConnected(ComponentName component, IBinder service) {
1228             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1229                 Log.d(TAG, "Download service connected");
1230                 mDownloaderBinder = (FileDownloaderBinder) service;
1231                 if (mWaitingToPreview != null) {
1232                     requestForDownload();
1233                 }
1234
1235             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1236                 Log.d(TAG, "Upload service connected");
1237                 mUploaderBinder = (FileUploaderBinder) service;
1238             } else {
1239                 return;
1240             }
1241             // a new chance to get the mDownloadBinder through getFileDownloadBinder() - THIS IS A MESS
1242             if (mFileList != null)
1243                 mFileList.listDirectory();
1244             if (mDualPane) {
1245                 Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1246                 if (fragment != null && fragment instanceof FileDetailFragment) {
1247                     FileDetailFragment detailFragment = (FileDetailFragment)fragment;
1248                     detailFragment.listenForTransferProgress();
1249                     detailFragment.updateFileDetails(false, false);
1250                 }
1251             }
1252         }
1253
1254         @Override
1255         public void onServiceDisconnected(ComponentName component) {
1256             if (component.equals(new ComponentName(FileDisplayActivity.this, FileDownloader.class))) {
1257                 Log.d(TAG, "Download service disconnected");
1258                 mDownloaderBinder = null;
1259             } else if (component.equals(new ComponentName(FileDisplayActivity.this, FileUploader.class))) {
1260                 Log.d(TAG, "Upload service disconnected");
1261                 mUploaderBinder = null;
1262             }
1263         }
1264     };
1265
1266
1267
1268     /**
1269      * Launch an intent to request the PIN code to the user before letting him use the app
1270      */
1271     private void requestPinCode() {
1272         boolean pinStart = false;
1273         SharedPreferences appPrefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
1274         pinStart = appPrefs.getBoolean("set_pincode", false);
1275         if (pinStart) {
1276             Intent i = new Intent(getApplicationContext(), PinCodeActivity.class);
1277             i.putExtra(PinCodeActivity.EXTRA_ACTIVITY, "FileDisplayActivity");
1278             startActivity(i);
1279         }
1280     }
1281
1282
1283     @Override
1284     public void onSavedCertificate() {
1285         startSynchronization();
1286     }
1287
1288
1289     @Override
1290     public void onFailedSavingCertificate() {
1291         showDialog(DIALOG_CERT_NOT_SAVED);
1292     }
1293
1294
1295     /**
1296      * Updates the view associated to the activity after the finish of some operation over files
1297      * in the current account.
1298      *
1299      * @param operation     Removal operation performed.
1300      * @param result        Result of the removal.
1301      */
1302     @Override
1303     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1304         if (operation instanceof RemoveFileOperation) {
1305             onRemoveFileOperationFinish((RemoveFileOperation)operation, result);
1306
1307         } else if (operation instanceof RenameFileOperation) {
1308             onRenameFileOperationFinish((RenameFileOperation)operation, result);
1309
1310         } else if (operation instanceof SynchronizeFileOperation) {
1311             onSynchronizeFileOperationFinish((SynchronizeFileOperation)operation, result);
1312         }
1313     }
1314
1315
1316     /**
1317      * Updates the view associated to the activity after the finish of an operation trying to remove a
1318      * file.
1319      *
1320      * @param operation     Removal operation performed.
1321      * @param result        Result of the removal.
1322      */
1323     private void onRemoveFileOperationFinish(RemoveFileOperation operation, RemoteOperationResult result) {
1324         dismissDialog(DIALOG_SHORT_WAIT);
1325         if (result.isSuccess()) {
1326             Toast msg = Toast.makeText(this, R.string.remove_success_msg, Toast.LENGTH_LONG);
1327             msg.show();
1328             OCFile removedFile = operation.getFile();
1329             if (mDualPane) {
1330                 FileFragment details = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1331                 if (details != null && removedFile.equals(details.getFile())) {
1332                     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1333                     transaction.replace(R.id.file_details_container, new FileDetailFragment(null, null)); // empty FileDetailFragment
1334                     transaction.commit();
1335                 }
1336             }
1337             if (mStorageManager.getFileById(removedFile.getParentId()).equals(mCurrentDir)) {
1338                 mFileList.listDirectory();
1339             }
1340
1341         } else {
1342             Toast msg = Toast.makeText(this, R.string.remove_fail_msg, Toast.LENGTH_LONG);
1343             msg.show();
1344             if (result.isSslRecoverableException()) {
1345                 mLastSslUntrustedServerResult = result;
1346                 showDialog(DIALOG_SSL_VALIDATOR);
1347             }
1348         }
1349     }
1350
1351     /**
1352      * Updates the view associated to the activity after the finish of an operation trying to rename a
1353      * file.
1354      *
1355      * @param operation     Renaming operation performed.
1356      * @param result        Result of the renaming.
1357      */
1358     private void onRenameFileOperationFinish(RenameFileOperation operation, RemoteOperationResult result) {
1359         dismissDialog(DIALOG_SHORT_WAIT);
1360         OCFile renamedFile = operation.getFile();
1361         if (result.isSuccess()) {
1362             if (mDualPane) {
1363                 FileFragment details = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1364                 if (details != null && details instanceof FileDetailFragment && renamedFile.equals(details.getFile()) ) {
1365                     ((FileDetailFragment) details).updateFileDetails(renamedFile, AccountUtils.getCurrentOwnCloudAccount(this));
1366                 }
1367             }
1368             if (mStorageManager.getFileById(renamedFile.getParentId()).equals(mCurrentDir)) {
1369                 mFileList.listDirectory();
1370             }
1371
1372         } else {
1373             if (result.getCode().equals(ResultCode.INVALID_LOCAL_FILE_NAME)) {
1374                 Toast msg = Toast.makeText(this, R.string.rename_local_fail_msg, Toast.LENGTH_LONG);
1375                 msg.show();
1376                 // TODO throw again the new rename dialog
1377             } else {
1378                 Toast msg = Toast.makeText(this, R.string.rename_server_fail_msg, Toast.LENGTH_LONG);
1379                 msg.show();
1380                 if (result.isSslRecoverableException()) {
1381                     mLastSslUntrustedServerResult = result;
1382                     showDialog(DIALOG_SSL_VALIDATOR);
1383                 }
1384             }
1385         }
1386     }
1387
1388
1389     private void onSynchronizeFileOperationFinish(SynchronizeFileOperation operation, RemoteOperationResult result) {
1390         dismissDialog(DIALOG_SHORT_WAIT);
1391         OCFile syncedFile = operation.getLocalFile();
1392         if (!result.isSuccess()) {
1393             if (result.getCode() == ResultCode.SYNC_CONFLICT) {
1394                 Intent i = new Intent(this, ConflictsResolveActivity.class);
1395                 i.putExtra(ConflictsResolveActivity.EXTRA_FILE, syncedFile);
1396                 i.putExtra(ConflictsResolveActivity.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1397                 startActivity(i);
1398
1399             } else {
1400                 Toast msg = Toast.makeText(this, R.string.sync_file_fail_msg, Toast.LENGTH_LONG);
1401                 msg.show();
1402             }
1403
1404         } else {
1405             if (operation.transferWasRequested()) {
1406                 mFileList.listDirectory();
1407                 onTransferStateChanged(syncedFile, true, true);
1408
1409             } else {
1410                 Toast msg = Toast.makeText(this, R.string.sync_file_nothing_to_do_msg, Toast.LENGTH_LONG);
1411                 msg.show();
1412             }
1413         }
1414     }
1415
1416
1417     /**
1418      * {@inheritDoc}
1419      */
1420     @Override
1421     public void onTransferStateChanged(OCFile file, boolean downloading, boolean uploading) {
1422         /*OCFileListFragment fileListFragment = (OCFileListFragment) getSupportFragmentManager().findFragmentById(R.id.fileList);
1423         if (fileListFragment != null) {
1424             fileListFragment.listDirectory();
1425         }*/
1426         if (mDualPane) {
1427             FileFragment details = (FileFragment) getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
1428             if (details != null && details instanceof FileDetailFragment && file.equals(details.getFile()) ) {
1429                 if (downloading || uploading) {
1430                     ((FileDetailFragment)details).updateFileDetails(file, AccountUtils.getCurrentOwnCloudAccount(this));
1431                 } else {
1432                     ((FileDetailFragment)details).updateFileDetails(false, true);
1433                 }
1434             }
1435         }
1436     }
1437
1438
1439     @Override
1440     public void showFragmentWithDetails(OCFile file) {
1441         if (mDualPane) {
1442             FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
1443             transaction.replace(R.id.file_details_container, new FileDetailFragment(file, AccountUtils.getCurrentOwnCloudAccount(this)), FileDetailFragment.FTAG);
1444             transaction.commit();
1445
1446         } else {
1447             Intent showDetailsIntent = new Intent(this, FileDetailActivity.class);
1448             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_FILE, file);
1449             showDetailsIntent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, AccountUtils.getCurrentOwnCloudAccount(this));
1450             showDetailsIntent.putExtra(FileDetailActivity.EXTRA_MODE, FileDetailActivity.MODE_DETAILS);
1451             startActivity(showDetailsIntent);
1452         }
1453     }
1454
1455
1456     private void requestForDownload() {
1457         Account account = AccountUtils.getCurrentOwnCloudAccount(this);
1458         if (!mDownloaderBinder.isDownloading(account, mWaitingToPreview)) {
1459             Intent i = new Intent(this, FileDownloader.class);
1460             i.putExtra(FileDownloader.EXTRA_ACCOUNT, account);
1461             i.putExtra(FileDownloader.EXTRA_FILE, mWaitingToPreview);
1462             startService(i);
1463         }
1464     }
1465
1466
1467 }
1468