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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   Copyright (C) 2012  Bartek Przybylski
   6  *   Copyright (C) 2015 ownCloud Inc.
   7  *
   8  *   This program is free software: you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License version 2,
  10  *   as published by the Free Software Foundation.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 package com.owncloud.android.ui.activity;
  23
  24 import java.io.File;
  25 import java.util.ArrayList;
  26 import java.util.HashMap;
  27 import java.util.LinkedList;
  28 import java.util.List;
  29 import java.util.Stack;
  30 import java.util.Vector;
  31
  32
  33 import android.accounts.Account;
  34 import android.accounts.AccountManager;
  35 import android.app.AlertDialog;
  36 import android.app.AlertDialog.Builder;
  37 import android.app.Dialog;
  38 import android.app.ProgressDialog;
  39 import android.content.Context;
  40 import android.content.DialogInterface;
  41 import android.content.DialogInterface.OnCancelListener;
  42 import android.content.DialogInterface.OnClickListener;
  43 import android.content.Intent;
  44 import android.content.SharedPreferences;
  45 import android.content.res.Resources.NotFoundException;
  46 import android.database.Cursor;
  47 import android.net.Uri;
  48 import android.os.Bundle;
  49 import android.os.Parcelable;
  50 import android.preference.PreferenceManager;
  51 import android.provider.MediaStore;
  52 import android.provider.MediaStore.Audio;
  53 import android.provider.MediaStore.Images;
  54 import android.provider.MediaStore.Video;
  55 import android.support.v4.app.Fragment;
  56 import android.support.v4.app.FragmentManager;
  57 import android.support.v4.app.FragmentTransaction;
  58 import android.view.View;
  59 import android.widget.AdapterView;
  60 import android.widget.AdapterView.OnItemClickListener;
  61 import android.widget.Button;
  62 import android.widget.EditText;
  63 import android.widget.ListView;
  64 import android.widget.SimpleAdapter;
  65 import android.widget.Toast;
  66
  67 import com.actionbarsherlock.app.ActionBar;
  68 import com.actionbarsherlock.view.MenuItem;
  69 import com.owncloud.android.MainApp;
  70 import com.owncloud.android.R;
  71 import com.owncloud.android.authentication.AccountAuthenticator;
  72 import com.owncloud.android.datamodel.OCFile;
  73 import com.owncloud.android.files.services.FileUploader;
  74 import com.owncloud.android.lib.common.operations.RemoteOperation;
  75 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  76 import com.owncloud.android.lib.common.utils.Log_OC;
  77 import com.owncloud.android.operations.CreateFolderOperation;
  78 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  79 import com.owncloud.android.ui.dialog.LoadingDialog;
  80 import com.owncloud.android.utils.CopyTmpFileAsyncTask;
  81 import com.owncloud.android.utils.DisplayUtils;
  82 import com.owncloud.android.utils.ErrorMessageAdapter;
  83
  84
  85 /**
  86  * This can be used to upload things to an ownCloud instance.
  87  */
  88 public class Uploader extends FileActivity
  89         implements OnItemClickListener, android.view.View.OnClickListener,
  90         CopyTmpFileAsyncTask.OnCopyTmpFileTaskListener {
  91
  92     private static final String TAG = Uploader.class.getSimpleName();
  93
  94     private AccountManager mAccountManager;
  95     private Stack<String> mParents;
  96     private ArrayList<Parcelable> mStreamsToUpload;
  97     private boolean mCreateDir;
  98     private String mUploadPath;
  99     private OCFile mFile;
 100     private boolean mAccountSelected;
 101     private boolean mAccountSelectionShowing;
 102
 103     private ArrayList<String> mRemoteCacheData;
 104     private int mNumCacheFile;
 105
 106     private final static int DIALOG_NO_ACCOUNT = 0;
 107     private final static int DIALOG_WAITING = 1;
 108     private final static int DIALOG_NO_STREAM = 2;
 109     private final static int DIALOG_MULTIPLE_ACCOUNT = 3;
 110
 111     private final static int REQUEST_CODE_SETUP_ACCOUNT = 0;
 112
 113     private final static String KEY_PARENTS = "PARENTS";
 114     private final static String KEY_FILE = "FILE";
 115     private final static String KEY_ACCOUNT_SELECTED = "ACCOUNT_SELECTED";
 116     private final static String KEY_ACCOUNT_SELECTION_SHOWING = "ACCOUNT_SELECTION_SHOWING";
 117     private final static String KEY_NUM_CACHE_FILE = "NUM_CACHE_FILE";
 118     private final static String KEY_REMOTE_CACHE_DATA = "REMOTE_CACHE_DATA";
 119
 120     private static final String DIALOG_WAIT_COPY_FILE = "DIALOG_WAIT_COPY_FILE";
 121
 122     @Override
 123     protected void onCreate(Bundle savedInstanceState) {
 124         prepareStreamsToUpload();
 125
 126         if (savedInstanceState == null) {
 127             mParents = new Stack<String>();
 128             mAccountSelected = false;
 129             mAccountSelectionShowing = false;
 130             mNumCacheFile = 0;
 131
 132             // ArrayList for files with path in private storage
 133             mRemoteCacheData = new ArrayList<String>();
 134         } else {
 135             mParents = (Stack<String>) savedInstanceState.getSerializable(KEY_PARENTS);
 136             mFile = savedInstanceState.getParcelable(KEY_FILE);
 137             mAccountSelected = savedInstanceState.getBoolean(KEY_ACCOUNT_SELECTED);
 138             mAccountSelectionShowing = savedInstanceState.getBoolean(KEY_ACCOUNT_SELECTION_SHOWING);
 139             mNumCacheFile = savedInstanceState.getInt(KEY_NUM_CACHE_FILE);
 140             mRemoteCacheData = savedInstanceState.getStringArrayList(KEY_REMOTE_CACHE_DATA);
 141         }
 142
 143         super.onCreate(savedInstanceState);
 144
 145         if (mAccountSelected) {
 146             setAccount((Account) savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT));
 147         }
 148
 149
 150         ActionBar actionBar = getSupportActionBar();
 151         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
 152
 153     }
 154
 155     @Override
 156     protected void setAccount(Account account, boolean savedAccount) {
 157         if (somethingToUpload()) {
 158             mAccountManager = (AccountManager) getSystemService(Context.ACCOUNT_SERVICE);
 159             Account[] accounts = mAccountManager.getAccountsByType(MainApp.getAccountType());
 160             if (accounts.length == 0) {
 161                 Log_OC.i(TAG, "No ownCloud account is available");
 162                 showDialog(DIALOG_NO_ACCOUNT);
 163             } else if (accounts.length > 1 && !mAccountSelected && !mAccountSelectionShowing) {
 164                 Log_OC.i(TAG, "More than one ownCloud is available");
 165                 showDialog(DIALOG_MULTIPLE_ACCOUNT);
 166                 mAccountSelectionShowing = true;
 167             } else {
 168                 if (!savedAccount) {
 169                     setAccount(accounts[0]);
 170                 }
 171             }
 172
 173         } else {
 174             showDialog(DIALOG_NO_STREAM);
 175         }
 176
 177         super.setAccount(account, savedAccount);
 178     }
 179
 180     @Override
 181     protected void onAccountSet(boolean stateWasRecovered) {
 182         super.onAccountSet(mAccountWasRestored);
 183         initTargetFolder();
 184         populateDirectoryList();
 185     }
 186
 187     @Override
 188     protected void onSaveInstanceState(Bundle outState) {
 189          Log_OC.d(TAG, "onSaveInstanceState() start");
 190         super.onSaveInstanceState(outState);
 191         outState.putSerializable(KEY_PARENTS, mParents);
 192         //outState.putParcelable(KEY_ACCOUNT, mAccount);
 193         outState.putParcelable(KEY_FILE, mFile);
 194         outState.putBoolean(KEY_ACCOUNT_SELECTED, mAccountSelected);
 195         outState.putBoolean(KEY_ACCOUNT_SELECTION_SHOWING, mAccountSelectionShowing);
 196         outState.putInt(KEY_NUM_CACHE_FILE, mNumCacheFile);
 197         outState.putStringArrayList(KEY_REMOTE_CACHE_DATA, mRemoteCacheData);
 198         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, getAccount());
 199
 200         Log_OC.d(TAG, "onSaveInstanceState() end");
 201     }
 202
 203     @Override
 204     protected Dialog onCreateDialog(final int id) {
 205         final AlertDialog.Builder builder = new Builder(this);
 206         switch (id) {
 207         case DIALOG_WAITING:
 208             ProgressDialog pDialog = new ProgressDialog(this);
 209             pDialog.setIndeterminate(false);
 210             pDialog.setCancelable(false);
 211             pDialog.setMessage(getResources().getString(R.string.uploader_info_uploading));
 212             return pDialog;
 213         case DIALOG_NO_ACCOUNT:
 214             builder.setIcon(android.R.drawable.ic_dialog_alert);
 215             builder.setTitle(R.string.uploader_wrn_no_account_title);
 216             builder.setMessage(String.format(
 217                     getString(R.string.uploader_wrn_no_account_text), getString(R.string.app_name)));
 218             builder.setCancelable(false);
 219             builder.setPositiveButton(R.string.uploader_wrn_no_account_setup_btn_text, new OnClickListener() {
 220                 @Override
 221                 public void onClick(DialogInterface dialog, int which) {
 222                     if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.ECLAIR_MR1) {
 223                         // using string value since in API7 this
 224                         // constatn is not defined
 225                         // in API7 < this constatant is defined in
 226                         // Settings.ADD_ACCOUNT_SETTINGS
 227                         // and Settings.EXTRA_AUTHORITIES
 228                         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 229                         intent.putExtra("authorities", new String[] { MainApp.getAuthTokenType() });
 230                         startActivityForResult(intent, REQUEST_CODE_SETUP_ACCOUNT);
 231                     } else {
 232                         // since in API7 there is no direct call for
 233                         // account setup, so we need to
 234                         // show our own AccountSetupAcricity, get
 235                         // desired results and setup
 236                         // everything for ourself
 237                         Intent intent = new Intent(getBaseContext(), AccountAuthenticator.class);
 238                         startActivityForResult(intent, REQUEST_CODE_SETUP_ACCOUNT);
 239                     }
 240                 }
 241             });
 242             builder.setNegativeButton(R.string.uploader_wrn_no_account_quit_btn_text, new OnClickListener() {
 243                 @Override
 244                 public void onClick(DialogInterface dialog, int which) {
 245                     finish();
 246                 }
 247             });
 248             return builder.create();
 249         case DIALOG_MULTIPLE_ACCOUNT:
 250             CharSequence ac[] = new CharSequence[
 251                     mAccountManager.getAccountsByType(MainApp.getAccountType()).length];
 252             for (int i = 0; i < ac.length; ++i) {
 253                 ac[i] = DisplayUtils.convertIdn(
 254                         mAccountManager.getAccountsByType(MainApp.getAccountType())[i].name, false);
 255             }
 256             builder.setTitle(R.string.common_choose_account);
 257             builder.setItems(ac, new OnClickListener() {
 258                 @Override
 259                 public void onClick(DialogInterface dialog, int which) {
 260                     setAccount(mAccountManager.getAccountsByType(MainApp.getAccountType())[which]);
 261                     onAccountSet(mAccountWasRestored);
 262                     dialog.dismiss();
 263                     mAccountSelected = true;
 264                     mAccountSelectionShowing = false;
 265                 }
 266             });
 267             builder.setCancelable(true);
 268             builder.setOnCancelListener(new OnCancelListener() {
 269                 @Override
 270                 public void onCancel(DialogInterface dialog) {
 271                     mAccountSelectionShowing = false;
 272                     dialog.cancel();
 273                     finish();
 274                 }
 275             });
 276             return builder.create();
 277         case DIALOG_NO_STREAM:
 278             builder.setIcon(android.R.drawable.ic_dialog_alert);
 279             builder.setTitle(R.string.uploader_wrn_no_content_title);
 280             builder.setMessage(R.string.uploader_wrn_no_content_text);
 281             builder.setCancelable(false);
 282             builder.setNegativeButton(R.string.common_cancel, new OnClickListener() {
 283                 @Override
 284                 public void onClick(DialogInterface dialog, int which) {
 285                     finish();
 286                 }
 287             });
 288             return builder.create();
 289         default:
 290             throw new IllegalArgumentException("Unknown dialog id: " + id);
 291         }
 292     }
 293
 294     class a implements OnClickListener {
 295         String mPath;
 296         EditText mDirname;
 297
 298         public a(String path, EditText dirname) {
 299             mPath = path;
 300             mDirname = dirname;
 301         }
 302
 303         @Override
 304         public void onClick(DialogInterface dialog, int which) {
 305             Uploader.this.mUploadPath = mPath + mDirname.getText().toString();
 306             Uploader.this.mCreateDir = true;
 307             uploadFiles();
 308         }
 309     }
 310
 311     @Override
 312     public void onBackPressed() {
 313
 314         if (mParents.size() <= 1) {
 315             super.onBackPressed();
 316             return;
 317         } else {
 318             mParents.pop();
 319             populateDirectoryList();
 320         }
 321     }
 322
 323     @Override
 324     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 325         // click on folder in the list
 326         Log_OC.d(TAG, "on item click");
 327         Vector<OCFile> tmpfiles = getStorageManager().getFolderContent(mFile);
 328         if (tmpfiles.size() <= 0) return;
 329         // filter on dirtype
 330         Vector<OCFile> files = new Vector<OCFile>();
 331         for (OCFile f : tmpfiles)
 332             if (f.isFolder())
 333                 files.add(f);
 334         if (files.size() < position) {
 335             throw new IndexOutOfBoundsException("Incorrect item selected");
 336         }
 337         mParents.push(files.get(position).getFileName());
 338         populateDirectoryList();
 339     }
 340
 341     @Override
 342     public void onClick(View v) {
 343         // click on button
 344         switch (v.getId()) {
 345         case R.id.uploader_choose_folder:
 346             mUploadPath = "";   // first element in mParents is root dir, represented by "";
 347                                 // init mUploadPath with "/" results in a "//" prefix
 348             for (String p : mParents)
 349                 mUploadPath += p + OCFile.PATH_SEPARATOR;
 350             Log_OC.d(TAG, "Uploading file to dir " + mUploadPath);
 351
 352             uploadFiles();
 353
 354             break;
 355
 356         case R.id.uploader_new_folder:
 357             CreateFolderDialogFragment dialog = CreateFolderDialogFragment.newInstance(mFile);
 358             dialog.show(getSupportFragmentManager(), "createdirdialog");
 359             break;
 360
 361
 362         default:
 363             throw new IllegalArgumentException("Wrong element clicked");
 364         }
 365     }
 366
 367     @Override
 368     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 369         super.onActivityResult(requestCode, resultCode, data);
 370         Log_OC.i(TAG, "result received. req: " + requestCode + " res: " + resultCode);
 371         if (requestCode == REQUEST_CODE_SETUP_ACCOUNT) {
 372             dismissDialog(DIALOG_NO_ACCOUNT);
 373             if (resultCode == RESULT_CANCELED) {
 374                 finish();
 375             }
 376             Account[] accounts = mAccountManager.getAccountsByType(MainApp.getAuthTokenType());
 377             if (accounts.length == 0) {
 378                 showDialog(DIALOG_NO_ACCOUNT);
 379             } else {
 380                 // there is no need for checking for is there more then one
 381                 // account at this point
 382                 // since account setup can set only one account at time
 383                 setAccount(accounts[0]);
 384                 populateDirectoryList();
 385             }
 386         }
 387     }
 388
 389     private void populateDirectoryList() {
 390         setContentView(R.layout.uploader_layout);
 391
 392         ListView mListView = (ListView) findViewById(android.R.id.list);
 393
 394         String current_dir = mParents.peek();
 395         if(current_dir.equals("")){
 396             getSupportActionBar().setTitle(getString(R.string.default_display_name_for_root_folder));
 397         }
 398         else{
 399             getSupportActionBar().setTitle(current_dir);
 400         }
 401         boolean notRoot = (mParents.size() > 1);
 402         ActionBar actionBar = getSupportActionBar();
 403         actionBar.setDisplayHomeAsUpEnabled(notRoot);
 404         actionBar.setHomeButtonEnabled(notRoot);
 405
 406         String full_path = generatePath(mParents);
 407
 408         Log_OC.d(TAG, "Populating view with content of : " + full_path);
 409
 410         mFile = getStorageManager().getFileByPath(full_path);
 411         if (mFile != null) {
 412             Vector<OCFile> files = getStorageManager().getFolderContent(mFile);
 413             List<HashMap<String, Object>> data = new LinkedList<HashMap<String,Object>>();
 414             for (OCFile f : files) {
 415                 HashMap<String, Object> h = new HashMap<String, Object>();
 416                 if (f.isFolder()) {
 417                     h.put("dirname", f.getFileName());
 418                     data.add(h);
 419                 }
 420             }
 421             SimpleAdapter sa = new SimpleAdapter(this,
 422                                                 data,
 423                                                 R.layout.uploader_list_item_layout,
 424                                                 new String[] {"dirname"},
 425                                                 new int[] {R.id.textView1});
 426
 427             mListView.setAdapter(sa);
 428             Button btnChooseFolder = (Button) findViewById(R.id.uploader_choose_folder);
 429             btnChooseFolder.setOnClickListener(this);
 430
 431             Button btnNewFolder = (Button) findViewById(R.id.uploader_new_folder);
 432             btnNewFolder.setOnClickListener(this);
 433
 434             mListView.setOnItemClickListener(this);
 435         }
 436     }
 437
 438     private String generatePath(Stack<String> dirs) {
 439         String full_path = "";
 440
 441         for (String a : dirs)
 442             full_path += a + "/";
 443         return full_path;
 444     }
 445
 446     private void prepareStreamsToUpload() {
 447         if (getIntent().getAction().equals(Intent.ACTION_SEND)) {
 448             mStreamsToUpload = new ArrayList<Parcelable>();
 449             mStreamsToUpload.add(getIntent().getParcelableExtra(Intent.EXTRA_STREAM));
 450         } else if (getIntent().getAction().equals(Intent.ACTION_SEND_MULTIPLE)) {
 451             mStreamsToUpload = getIntent().getParcelableArrayListExtra(Intent.EXTRA_STREAM);
 452         }
 453     }
 454
 455     private boolean somethingToUpload() {
 456         return (mStreamsToUpload != null && mStreamsToUpload.get(0) != null);
 457     }
 458
 459     public void uploadFiles() {
 460         try {
 461
 462             // ArrayList for files with path in external storage
 463             ArrayList<String> local = new ArrayList<String>();
 464             ArrayList<String> remote = new ArrayList<String>();
 465
 466             // this checks the mimeType
 467             for (Parcelable mStream : mStreamsToUpload) {
 468
 469                 Uri uri = (Uri) mStream;
 470                 String data = null;
 471                 String filePath = "";
 472
 473                 if (uri != null) {
 474                     if (uri.getScheme().equals("content")) {
 475                         String mimeType = getContentResolver().getType(uri);
 476
 477                         if (mimeType.contains("image")) {
 478                             String[] CONTENT_PROJECTION = { Images.Media.DATA,
 479                                     Images.Media.DISPLAY_NAME, Images.Media.MIME_TYPE,
 480                                     Images.Media.SIZE };
 481                             Cursor c = getContentResolver().query(uri, CONTENT_PROJECTION, null,
 482                                     null, null);
 483                             c.moveToFirst();
 484                             int index = c.getColumnIndex(Images.Media.DATA);
 485                             data = c.getString(index);
 486                             filePath = mUploadPath +
 487                                     c.getString(c.getColumnIndex(Images.Media.DISPLAY_NAME));
 488
 489                         } else if (mimeType.contains("video")) {
 490                             String[] CONTENT_PROJECTION = { Video.Media.DATA,
 491                                    Video.Media.DISPLAY_NAME, Video.Media.MIME_TYPE,
 492                                    Video.Media.SIZE, Video.Media.DATE_MODIFIED };
 493                             Cursor c = getContentResolver().query(uri, CONTENT_PROJECTION, null,
 494                                    null, null);
 495                             c.moveToFirst();
 496                             int index = c.getColumnIndex(Video.Media.DATA);
 497                             data = c.getString(index);
 498                             filePath = mUploadPath +
 499                                    c.getString(c.getColumnIndex(Video.Media.DISPLAY_NAME));
 500
 501                         } else if (mimeType.contains("audio")) {
 502                             String[] CONTENT_PROJECTION = { Audio.Media.DATA,
 503                                    Audio.Media.DISPLAY_NAME, Audio.Media.MIME_TYPE,
 504                                    Audio.Media.SIZE };
 505                             Cursor c = getContentResolver().query(uri, CONTENT_PROJECTION, null,
 506                                    null, null);
 507                             c.moveToFirst();
 508                             int index = c.getColumnIndex(Audio.Media.DATA);
 509                             data = c.getString(index);
 510                             filePath = mUploadPath +
 511                                    c.getString(c.getColumnIndex(Audio.Media.DISPLAY_NAME));
 512
 513                         } else  {
 514                             Cursor cursor = getContentResolver().query(uri,
 515                                    new String[]{MediaStore.MediaColumns.DISPLAY_NAME},
 516                                    null, null, null);
 517                             cursor.moveToFirst();
 518                             int nameIndex = cursor.getColumnIndex(cursor.getColumnNames()[0]);
 519                             if (nameIndex >= 0) {
 520                                filePath = mUploadPath + cursor.getString(nameIndex);
 521                             }
 522                         }
 523
 524                     } else if (uri.getScheme().equals("file")) {
 525                         filePath = Uri.decode(uri.toString()).replace(uri.getScheme() +
 526                                 "://", "");
 527                         if (filePath.contains("mnt")) {
 528                            String splitedFilePath[] = filePath.split("/mnt");
 529                            filePath = splitedFilePath[1];
 530                         }
 531                         final File file = new File(filePath);
 532                         data = file.getAbsolutePath();
 533                         filePath = mUploadPath + file.getName();
 534                     }
 535                     else {
 536                         throw new SecurityException();
 537                     }
 538                     if (data == null) {
 539                         mRemoteCacheData.add(filePath);
 540                         CopyTmpFileAsyncTask copyTask = new CopyTmpFileAsyncTask(this);
 541                         Object[] params = { uri, filePath, mRemoteCacheData.size()-1 };
 542                         mNumCacheFile++;
 543                         showWaitingCopyDialog();
 544                         copyTask.execute(params);
 545                     } else {
 546                         remote.add(filePath);
 547                         local.add(data);
 548                     }
 549                 }
 550                 else {
 551                     throw new SecurityException();
 552                 }
 553
 554                 Intent intent = new Intent(getApplicationContext(), FileUploader.class);
 555                 intent.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 556                 intent.putExtra(FileUploader.KEY_LOCAL_FILE, local.toArray(new String[local.size()]));
 557                 intent.putExtra(FileUploader.KEY_REMOTE_FILE,
 558                         remote.toArray(new String[remote.size()]));
 559                 intent.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 560                 startService(intent);
 561
 562                 //Save the path to shared preferences
 563                 SharedPreferences.Editor appPrefs = PreferenceManager
 564                         .getDefaultSharedPreferences(getApplicationContext()).edit();
 565                 appPrefs.putString("last_upload_path", mUploadPath);
 566                 appPrefs.apply();
 567
 568                 finish();
 569             }
 570
 571         } catch (SecurityException e) {
 572             String message = String.format(getString(R.string.uploader_error_forbidden_content),
 573                     getString(R.string.app_name));
 574             Toast.makeText(this, message, Toast.LENGTH_LONG).show();
 575         }
 576     }
 577
 578     @Override
 579     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 580         super.onRemoteOperationFinish(operation, result);
 581
 582
 583         if (operation instanceof CreateFolderOperation) {
 584             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
 585         }
 586
 587     }
 588
 589     /**
 590      * Updates the view associated to the activity after the finish of an operation
 591      * trying create a new folder
 592      *
 593      * @param operation     Creation operation performed.
 594      * @param result        Result of the creation.
 595      */
 596     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
 597                                                RemoteOperationResult result) {
 598         if (result.isSuccess()) {
 599             dismissLoadingDialog();
 600             populateDirectoryList();
 601         } else {
 602             dismissLoadingDialog();
 603             try {
 604                 Toast msg = Toast.makeText(this,
 605                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 606                         Toast.LENGTH_LONG);
 607                 msg.show();
 608
 609             } catch (NotFoundException e) {
 610                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
 611             }
 612         }
 613     }
 614
 615
 616     /**
 617      *  Loads the target folder initialize shown to the user.
 618      *
 619      *  The target account has to be chosen before this method is called.
 620      */
 621     private void initTargetFolder() {
 622         if (getStorageManager() == null) {
 623             throw new IllegalStateException("Do not call this method before " +
 624                     "initializing mStorageManager");
 625         }
 626
 627         SharedPreferences appPreferences = PreferenceManager
 628                 .getDefaultSharedPreferences(getApplicationContext());
 629
 630         String last_path = appPreferences.getString("last_upload_path", "");
 631         // "/" equals root-directory
 632         if(last_path.equals("/")) {
 633             mParents.add("");
 634         } else{
 635             String[] dir_names = last_path.split("/");
 636             for (String dir : dir_names)
 637                 mParents.add(dir);
 638         }
 639         //Make sure that path still exists, if it doesn't pop the stack and try the previous path
 640         while(!getStorageManager().fileExists(generatePath(mParents)) && mParents.size() > 1){
 641             mParents.pop();
 642         }
 643     }
 644
 645
 646     @Override
 647     public boolean onOptionsItemSelected(MenuItem item) {
 648         boolean retval = true;
 649         switch (item.getItemId()) {
 650             case android.R.id.home:
 651                 if((mParents.size() > 1)) {
 652                     onBackPressed();
 653                 }
 654                 break;
 655
 656             default:
 657                 retval = super.onOptionsItemSelected(item);
 658         }
 659         return retval;
 660     }
 661
 662
 663     /**
 664      * Process the result of CopyTmpFileAsyncTask
 665      * @param result
 666      * @param index
 667      */
 668     @Override
 669     public void OnCopyTmpFileTaskListener(String result, int index) {
 670         if (mNumCacheFile -- == 0) {
 671             dismissWaitingCopyDialog();
 672         }
 673         if (result != null) {
 674             Intent intent = new Intent(getApplicationContext(), FileUploader.class);
 675             intent.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 676             intent.putExtra(FileUploader.KEY_LOCAL_FILE, result);
 677             intent.putExtra(FileUploader.KEY_REMOTE_FILE, mRemoteCacheData.get(index));
 678             intent.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 679             startService(intent);
 680
 681         } else {
 682             String message = String.format(getString(R.string.uploader_error_forbidden_content),
 683                     getString(R.string.app_name));
 684             Toast.makeText(this, message, Toast.LENGTH_LONG).show();
 685             Log_OC.d(TAG, message);
 686         }
 687
 688     }
 689 /**
 690      * Show waiting for copy dialog
 691      */
 692     public void showWaitingCopyDialog() {
 693         // Construct dialog
 694         LoadingDialog loading = new LoadingDialog(
 695                 getResources().getString(R.string.wait_for_tmp_copy_from_private_storage));
 696         FragmentManager fm = getSupportFragmentManager();
 697         FragmentTransaction ft = fm.beginTransaction();
 698         loading.show(ft, DIALOG_WAIT_COPY_FILE);
 699
 700     }
 701
 702
 703     /**
 704      * Dismiss waiting for copy dialog
 705      */
 706     public void dismissWaitingCopyDialog(){
 707         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_COPY_FILE);
 708         if (frag != null) {
 709             LoadingDialog loading = (LoadingDialog) frag;
 710             loading.dismiss();
 711         }
 712     }
 713 }