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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author masensio
   6  *   Copyright (C) 2012  Bartek Przybylski
   7  *   Copyright (C) 2015 ownCloud Inc.
   8  *
   9  *   This program is free software: you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License version 2,
  11  *   as published by the Free Software Foundation.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22
  23 package com.owncloud.android.ui.activity;
  24
  25 import java.io.File;
  26 import java.util.ArrayList;
  27 import java.util.HashMap;
  28 import java.util.LinkedList;
  29 import java.util.List;
  30 import java.util.Stack;
  31 import java.util.Vector;
  32
  33
  34 import android.accounts.Account;
  35 import android.accounts.AccountManager;
  36 import android.app.AlertDialog;
  37 import android.app.AlertDialog.Builder;
  38 import android.app.Dialog;
  39 import android.app.ProgressDialog;
  40 import android.content.Context;
  41 import android.content.DialogInterface;
  42 import android.content.DialogInterface.OnCancelListener;
  43 import android.content.DialogInterface.OnClickListener;
  44 import android.content.Intent;
  45 import android.content.SharedPreferences;
  46 import android.content.res.Resources.NotFoundException;
  47 import android.database.Cursor;
  48 import android.net.Uri;
  49 import android.os.Bundle;
  50 import android.os.Parcelable;
  51 import android.preference.PreferenceManager;
  52 import android.provider.MediaStore;
  53 import android.provider.MediaStore.Audio;
  54 import android.provider.MediaStore.Images;
  55 import android.provider.MediaStore.Video;
  56 import android.support.v4.app.Fragment;
  57 import android.support.v4.app.FragmentManager;
  58 import android.support.v4.app.FragmentTransaction;
  59 import android.support.v7.app.ActionBar;
  60 import android.view.MenuItem;
  61 import android.view.View;
  62 import android.widget.AdapterView;
  63 import android.widget.AdapterView.OnItemClickListener;
  64 import android.widget.Button;
  65 import android.widget.EditText;
  66 import android.widget.ListView;
  67 import android.widget.SimpleAdapter;
  68 import android.widget.Toast;
  69
  70 import com.owncloud.android.MainApp;
  71 import com.owncloud.android.R;
  72 import com.owncloud.android.authentication.AccountAuthenticator;
  73 import com.owncloud.android.datamodel.OCFile;
  74 import com.owncloud.android.files.services.FileUploader;
  75 import com.owncloud.android.lib.common.utils.Log_OC;
  76 import com.owncloud.android.lib.common.operations.RemoteOperation;
  77 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  78 import com.owncloud.android.operations.CreateFolderOperation;
  79 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  80 import com.owncloud.android.ui.dialog.LoadingDialog;
  81 import com.owncloud.android.utils.CopyTmpFileAsyncTask;
  82 import com.owncloud.android.utils.DisplayUtils;
  83 import com.owncloud.android.utils.ErrorMessageAdapter;
  84
  85
  86 /**
  87  * This can be used to upload things to an ownCloud instance.
  88  */
  89 public class Uploader extends FileActivity
  90         implements OnItemClickListener, android.view.View.OnClickListener,
  91         CopyTmpFileAsyncTask.OnCopyTmpFileTaskListener {
  92
  93     private static final String TAG = Uploader.class.getSimpleName();
  94
  95     private AccountManager mAccountManager;
  96     private Stack<String> mParents;
  97     private ArrayList<Parcelable> mStreamsToUpload;
  98     private boolean mCreateDir;
  99     private String mUploadPath;
 100     private OCFile mFile;
 101     private boolean mAccountSelected;
 102     private boolean mAccountSelectionShowing;
 103
 104     private ArrayList<String> mRemoteCacheData;
 105     private int mNumCacheFile;
 106
 107     private final static int DIALOG_NO_ACCOUNT = 0;
 108     private final static int DIALOG_WAITING = 1;
 109     private final static int DIALOG_NO_STREAM = 2;
 110     private final static int DIALOG_MULTIPLE_ACCOUNT = 3;
 111
 112     private final static int REQUEST_CODE_SETUP_ACCOUNT = 0;
 113
 114     private final static String KEY_PARENTS = "PARENTS";
 115     private final static String KEY_FILE = "FILE";
 116     private final static String KEY_ACCOUNT_SELECTED = "ACCOUNT_SELECTED";
 117     private final static String KEY_ACCOUNT_SELECTION_SHOWING = "ACCOUNT_SELECTION_SHOWING";
 118     private final static String KEY_NUM_CACHE_FILE = "NUM_CACHE_FILE";
 119     private final static String KEY_REMOTE_CACHE_DATA = "REMOTE_CACHE_DATA";
 120
 121     private static final String DIALOG_WAIT_COPY_FILE = "DIALOG_WAIT_COPY_FILE";
 122
 123     @Override
 124     protected void onCreate(Bundle savedInstanceState) {
 125         prepareStreamsToUpload();
 126
 127         if (savedInstanceState == null) {
 128             mParents = new Stack<String>();
 129             mAccountSelected = false;
 130             mAccountSelectionShowing = false;
 131             mNumCacheFile = 0;
 132
 133             // ArrayList for files with path in private storage
 134             mRemoteCacheData = new ArrayList<String>();
 135         } else {
 136             mParents = (Stack<String>) savedInstanceState.getSerializable(KEY_PARENTS);
 137             mFile = savedInstanceState.getParcelable(KEY_FILE);
 138             mAccountSelected = savedInstanceState.getBoolean(KEY_ACCOUNT_SELECTED);
 139             mAccountSelectionShowing = savedInstanceState.getBoolean(KEY_ACCOUNT_SELECTION_SHOWING);
 140             mNumCacheFile = savedInstanceState.getInt(KEY_NUM_CACHE_FILE);
 141             mRemoteCacheData = savedInstanceState.getStringArrayList(KEY_REMOTE_CACHE_DATA);
 142         }
 143
 144         super.onCreate(savedInstanceState);
 145
 146         if (mAccountSelected) {
 147             setAccount((Account) savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT));
 148         }
 149     }
 150
 151     @Override
 152     protected void setAccount(Account account, boolean savedAccount) {
 153         if (somethingToUpload()) {
 154             mAccountManager = (AccountManager) getSystemService(Context.ACCOUNT_SERVICE);
 155             Account[] accounts = mAccountManager.getAccountsByType(MainApp.getAccountType());
 156             if (accounts.length == 0) {
 157                 Log_OC.i(TAG, "No ownCloud account is available");
 158                 showDialog(DIALOG_NO_ACCOUNT);
 159             } else if (accounts.length > 1 && !mAccountSelected && !mAccountSelectionShowing) {
 160                 Log_OC.i(TAG, "More than one ownCloud is available");
 161                 showDialog(DIALOG_MULTIPLE_ACCOUNT);
 162                 mAccountSelectionShowing = true;
 163             } else {
 164                 if (!savedAccount) {
 165                     setAccount(accounts[0]);
 166                 }
 167             }
 168
 169         } else {
 170             showDialog(DIALOG_NO_STREAM);
 171         }
 172
 173         super.setAccount(account, savedAccount);
 174     }
 175
 176     @Override
 177     protected void onAccountSet(boolean stateWasRecovered) {
 178         super.onAccountSet(mAccountWasRestored);
 179         initTargetFolder();
 180         populateDirectoryList();
 181     }
 182
 183     @Override
 184     protected void onSaveInstanceState(Bundle outState) {
 185          Log_OC.d(TAG, "onSaveInstanceState() start");
 186         super.onSaveInstanceState(outState);
 187         outState.putSerializable(KEY_PARENTS, mParents);
 188         //outState.putParcelable(KEY_ACCOUNT, mAccount);
 189         outState.putParcelable(KEY_FILE, mFile);
 190         outState.putBoolean(KEY_ACCOUNT_SELECTED, mAccountSelected);
 191         outState.putBoolean(KEY_ACCOUNT_SELECTION_SHOWING, mAccountSelectionShowing);
 192         outState.putInt(KEY_NUM_CACHE_FILE, mNumCacheFile);
 193         outState.putStringArrayList(KEY_REMOTE_CACHE_DATA, mRemoteCacheData);
 194         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, getAccount());
 195
 196         Log_OC.d(TAG, "onSaveInstanceState() end");
 197     }
 198
 199     @Override
 200     protected Dialog onCreateDialog(final int id) {
 201         final AlertDialog.Builder builder = new Builder(this);
 202         switch (id) {
 203         case DIALOG_WAITING:
 204             ProgressDialog pDialog = new ProgressDialog(this);
 205             pDialog.setIndeterminate(false);
 206             pDialog.setCancelable(false);
 207             pDialog.setMessage(getResources().getString(R.string.uploader_info_uploading));
 208             return pDialog;
 209         case DIALOG_NO_ACCOUNT:
 210             builder.setIcon(android.R.drawable.ic_dialog_alert);
 211             builder.setTitle(R.string.uploader_wrn_no_account_title);
 212             builder.setMessage(String.format(
 213                     getString(R.string.uploader_wrn_no_account_text), getString(R.string.app_name)));
 214             builder.setCancelable(false);
 215             builder.setPositiveButton(R.string.uploader_wrn_no_account_setup_btn_text, new OnClickListener() {
 216                 @Override
 217                 public void onClick(DialogInterface dialog, int which) {
 218                     if (android.os.Build.VERSION.SDK_INT >
 219                             android.os.Build.VERSION_CODES.ECLAIR_MR1) {
 220                         // using string value since in API7 this
 221                         // constatn is not defined
 222                         // in API7 < this constatant is defined in
 223                         // Settings.ADD_ACCOUNT_SETTINGS
 224                         // and Settings.EXTRA_AUTHORITIES
 225                         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 226                         intent.putExtra("authorities", new String[] { MainApp.getAuthTokenType() });
 227                         startActivityForResult(intent, REQUEST_CODE_SETUP_ACCOUNT);
 228                     } else {
 229                         // since in API7 there is no direct call for
 230                         // account setup, so we need to
 231                         // show our own AccountSetupAcricity, get
 232                         // desired results and setup
 233                         // everything for ourself
 234                         Intent intent = new Intent(getBaseContext(), AccountAuthenticator.class);
 235                         startActivityForResult(intent, REQUEST_CODE_SETUP_ACCOUNT);
 236                     }
 237                 }
 238             });
 239             builder.setNegativeButton(R.string.uploader_wrn_no_account_quit_btn_text, new OnClickListener() {
 240                 @Override
 241                 public void onClick(DialogInterface dialog, int which) {
 242                     finish();
 243                 }
 244             });
 245             return builder.create();
 246         case DIALOG_MULTIPLE_ACCOUNT:
 247             CharSequence ac[] = new CharSequence[
 248                     mAccountManager.getAccountsByType(MainApp.getAccountType()).length];
 249             for (int i = 0; i < ac.length; ++i) {
 250                 ac[i] = DisplayUtils.convertIdn(
 251                         mAccountManager.getAccountsByType(MainApp.getAccountType())[i].name, false);
 252             }
 253             builder.setTitle(R.string.common_choose_account);
 254             builder.setItems(ac, new OnClickListener() {
 255                 @Override
 256                 public void onClick(DialogInterface dialog, int which) {
 257                     setAccount(mAccountManager.getAccountsByType(MainApp.getAccountType())[which]);
 258                     onAccountSet(mAccountWasRestored);
 259                     dialog.dismiss();
 260                     mAccountSelected = true;
 261                     mAccountSelectionShowing = false;
 262                 }
 263             });
 264             builder.setCancelable(true);
 265             builder.setOnCancelListener(new OnCancelListener() {
 266                 @Override
 267                 public void onCancel(DialogInterface dialog) {
 268                     mAccountSelectionShowing = false;
 269                     dialog.cancel();
 270                     finish();
 271                 }
 272             });
 273             return builder.create();
 274         case DIALOG_NO_STREAM:
 275             builder.setIcon(android.R.drawable.ic_dialog_alert);
 276             builder.setTitle(R.string.uploader_wrn_no_content_title);
 277             builder.setMessage(R.string.uploader_wrn_no_content_text);
 278             builder.setCancelable(false);
 279             builder.setNegativeButton(R.string.common_cancel, new OnClickListener() {
 280                 @Override
 281                 public void onClick(DialogInterface dialog, int which) {
 282                     finish();
 283                 }
 284             });
 285             return builder.create();
 286         default:
 287             throw new IllegalArgumentException("Unknown dialog id: " + id);
 288         }
 289     }
 290
 291     class a implements OnClickListener {
 292         String mPath;
 293         EditText mDirname;
 294
 295         public a(String path, EditText dirname) {
 296             mPath = path;
 297             mDirname = dirname;
 298         }
 299
 300         @Override
 301         public void onClick(DialogInterface dialog, int which) {
 302             Uploader.this.mUploadPath = mPath + mDirname.getText().toString();
 303             Uploader.this.mCreateDir = true;
 304             uploadFiles();
 305         }
 306     }
 307
 308     @Override
 309     public void onBackPressed() {
 310
 311         if (mParents.size() <= 1) {
 312             super.onBackPressed();
 313             return;
 314         } else {
 315             mParents.pop();
 316             populateDirectoryList();
 317         }
 318     }
 319
 320     @Override
 321     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 322         // click on folder in the list
 323         Log_OC.d(TAG, "on item click");
 324         // TODO Enable when "On Device" is recovered ?
 325         Vector<OCFile> tmpfiles = getStorageManager().getFolderContent(mFile /*, false*/);
 326         if (tmpfiles.size() <= 0) return;
 327         // filter on dirtype
 328         Vector<OCFile> files = new Vector<OCFile>();
 329         for (OCFile f : tmpfiles)
 330             if (f.isFolder())
 331                 files.add(f);
 332         if (files.size() < position) {
 333             throw new IndexOutOfBoundsException("Incorrect item selected");
 334         }
 335         mParents.push(files.get(position).getFileName());
 336         populateDirectoryList();
 337     }
 338
 339     @Override
 340     public void onClick(View v) {
 341         // click on button
 342         switch (v.getId()) {
 343         case R.id.uploader_choose_folder:
 344             mUploadPath = "";   // first element in mParents is root dir, represented by "";
 345                                 // init mUploadPath with "/" results in a "//" prefix
 346             for (String p : mParents)
 347                 mUploadPath += p + OCFile.PATH_SEPARATOR;
 348             Log_OC.d(TAG, "Uploading file to dir " + mUploadPath);
 349
 350             uploadFiles();
 351
 352             break;
 353
 354         case R.id.uploader_new_folder:
 355             CreateFolderDialogFragment dialog = CreateFolderDialogFragment.newInstance(mFile);
 356             dialog.show(getSupportFragmentManager(), "createdirdialog");
 357             break;
 358
 359
 360         default:
 361             throw new IllegalArgumentException("Wrong element clicked");
 362         }
 363     }
 364
 365     @Override
 366     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 367         super.onActivityResult(requestCode, resultCode, data);
 368         Log_OC.i(TAG, "result received. req: " + requestCode + " res: " + resultCode);
 369         if (requestCode == REQUEST_CODE_SETUP_ACCOUNT) {
 370             dismissDialog(DIALOG_NO_ACCOUNT);
 371             if (resultCode == RESULT_CANCELED) {
 372                 finish();
 373             }
 374             Account[] accounts = mAccountManager.getAccountsByType(MainApp.getAuthTokenType());
 375             if (accounts.length == 0) {
 376                 showDialog(DIALOG_NO_ACCOUNT);
 377             } else {
 378                 // there is no need for checking for is there more then one
 379                 // account at this point
 380                 // since account setup can set only one account at time
 381                 setAccount(accounts[0]);
 382                 populateDirectoryList();
 383             }
 384         }
 385     }
 386
 387     private void populateDirectoryList() {
 388         setContentView(R.layout.uploader_layout);
 389
 390         ListView mListView = (ListView) findViewById(android.R.id.list);
 391
 392         String current_dir = mParents.peek();
 393         if(current_dir.equals("")){
 394             getSupportActionBar().setTitle(getString(R.string.default_display_name_for_root_folder));
 395         }
 396         else{
 397             getSupportActionBar().setTitle(current_dir);
 398         }
 399         boolean notRoot = (mParents.size() > 1);
 400         ActionBar actionBar = getSupportActionBar();
 401         actionBar.setDisplayHomeAsUpEnabled(notRoot);
 402         actionBar.setHomeButtonEnabled(notRoot);
 403
 404         String full_path = generatePath(mParents);
 405
 406         Log_OC.d(TAG, "Populating view with content of : " + full_path);
 407
 408         mFile = getStorageManager().getFileByPath(full_path);
 409         if (mFile != null) {
 410             // TODO Enable when "On Device" is recovered ?
 411             Vector<OCFile> files = getStorageManager().getFolderContent(mFile/*, false*/);
 412             List<HashMap<String, Object>> data = new LinkedList<HashMap<String,Object>>();
 413             for (OCFile f : files) {
 414                 HashMap<String, Object> h = new HashMap<String, Object>();
 415                 if (f.isFolder()) {
 416                     h.put("dirname", f.getFileName());
 417                     data.add(h);
 418                 }
 419             }
 420             SimpleAdapter sa = new SimpleAdapter(this,
 421                                                 data,
 422                                                 R.layout.uploader_list_item_layout,
 423                                                 new String[] {"dirname"},
 424                                                 new int[] {R.id.filename});
 425
 426             mListView.setAdapter(sa);
 427             Button btnChooseFolder = (Button) findViewById(R.id.uploader_choose_folder);
 428             btnChooseFolder.setOnClickListener(this);
 429
 430             Button btnNewFolder = (Button) findViewById(R.id.uploader_new_folder);
 431             btnNewFolder.setOnClickListener(this);
 432
 433             mListView.setOnItemClickListener(this);
 434         }
 435     }
 436
 437     private String generatePath(Stack<String> dirs) {
 438         String full_path = "";
 439
 440         for (String a : dirs)
 441             full_path += a + "/";
 442         return full_path;
 443     }
 444
 445     private void prepareStreamsToUpload() {
 446         if (getIntent().getAction().equals(Intent.ACTION_SEND)) {
 447             mStreamsToUpload = new ArrayList<Parcelable>();
 448             mStreamsToUpload.add(getIntent().getParcelableExtra(Intent.EXTRA_STREAM));
 449         } else if (getIntent().getAction().equals(Intent.ACTION_SEND_MULTIPLE)) {
 450             mStreamsToUpload = getIntent().getParcelableArrayListExtra(Intent.EXTRA_STREAM);
 451         }
 452     }
 453
 454     private boolean somethingToUpload() {
 455         return (mStreamsToUpload != null && mStreamsToUpload.get(0) != null);
 456     }
 457
 458     public void uploadFiles() {
 459         try {
 460
 461             // ArrayList for files with path in external storage
 462             ArrayList<String> local = new ArrayList<String>();
 463             ArrayList<String> remote = new ArrayList<String>();
 464
 465             // this checks the mimeType
 466             for (Parcelable mStream : mStreamsToUpload) {
 467
 468                 Uri uri = (Uri) mStream;
 469                 String data = null;
 470                 String filePath = "";
 471
 472                 if (uri != null) {
 473                     if (uri.getScheme().equals("content")) {
 474                         String mimeType = getContentResolver().getType(uri);
 475
 476                         if (mimeType.contains("image")) {
 477                             String[] CONTENT_PROJECTION = { Images.Media.DATA,
 478                                     Images.Media.DISPLAY_NAME, Images.Media.MIME_TYPE,
 479                                     Images.Media.SIZE };
 480                             Cursor c = getContentResolver().query(uri, CONTENT_PROJECTION, null,
 481                                     null, null);
 482                             c.moveToFirst();
 483                             int index = c.getColumnIndex(Images.Media.DATA);
 484                             data = c.getString(index);
 485                             filePath = mUploadPath +
 486                                     c.getString(c.getColumnIndex(Images.Media.DISPLAY_NAME));
 487
 488                         } else if (mimeType.contains("video")) {
 489                             String[] CONTENT_PROJECTION = { Video.Media.DATA,
 490                                    Video.Media.DISPLAY_NAME, Video.Media.MIME_TYPE,
 491                                    Video.Media.SIZE, Video.Media.DATE_MODIFIED };
 492                             Cursor c = getContentResolver().query(uri, CONTENT_PROJECTION, null,
 493                                    null, null);
 494                             c.moveToFirst();
 495                             int index = c.getColumnIndex(Video.Media.DATA);
 496                             data = c.getString(index);
 497                             filePath = mUploadPath +
 498                                    c.getString(c.getColumnIndex(Video.Media.DISPLAY_NAME));
 499
 500                         } else if (mimeType.contains("audio")) {
 501                             String[] CONTENT_PROJECTION = { Audio.Media.DATA,
 502                                    Audio.Media.DISPLAY_NAME, Audio.Media.MIME_TYPE,
 503                                    Audio.Media.SIZE };
 504                             Cursor c = getContentResolver().query(uri, CONTENT_PROJECTION, null,
 505                                    null, null);
 506                             c.moveToFirst();
 507                             int index = c.getColumnIndex(Audio.Media.DATA);
 508                             data = c.getString(index);
 509                             filePath = mUploadPath +
 510                                    c.getString(c.getColumnIndex(Audio.Media.DISPLAY_NAME));
 511
 512                         } else  {
 513                             Cursor cursor = getContentResolver().query(uri,
 514                                    new String[]{MediaStore.MediaColumns.DISPLAY_NAME},
 515                                    null, null, null);
 516                             cursor.moveToFirst();
 517                             int nameIndex = cursor.getColumnIndex(cursor.getColumnNames()[0]);
 518                             if (nameIndex >= 0) {
 519                                filePath = mUploadPath + cursor.getString(nameIndex);
 520                             }
 521                         }
 522
 523                     } else if (uri.getScheme().equals("file")) {
 524                         filePath = Uri.decode(uri.toString()).replace(uri.getScheme() +
 525                                 "://", "");
 526                         if (filePath.contains("mnt")) {
 527                            String splitedFilePath[] = filePath.split("/mnt");
 528                            filePath = splitedFilePath[1];
 529                         }
 530                         final File file = new File(filePath);
 531                         data = file.getAbsolutePath();
 532                         filePath = mUploadPath + file.getName();
 533                     }
 534                     else {
 535                         throw new SecurityException();
 536                     }
 537                     if (data == null) {
 538                         mRemoteCacheData.add(filePath);
 539                         CopyTmpFileAsyncTask copyTask = new CopyTmpFileAsyncTask(this);
 540                         Object[] params = { uri, filePath, mRemoteCacheData.size()-1,
 541                                 getAccount().name, getContentResolver()};
 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             mParents.clear();
 637             for (String dir : dir_names)
 638                 mParents.add(dir);
 639         }
 640         //Make sure that path still exists, if it doesn't pop the stack and try the previous path
 641         while(!getStorageManager().fileExists(generatePath(mParents)) && mParents.size() > 1){
 642             mParents.pop();
 643         }
 644     }
 645
 646
 647     @Override
 648     public boolean onOptionsItemSelected(MenuItem item) {
 649         boolean retval = true;
 650         switch (item.getItemId()) {
 651             case android.R.id.home:
 652                 if((mParents.size() > 1)) {
 653                     onBackPressed();
 654                 }
 655                 break;
 656
 657             default:
 658                 retval = super.onOptionsItemSelected(item);
 659         }
 660         return retval;
 661     }
 662
 663
 664     /**
 665      * Process the result of CopyTmpFileAsyncTask
 666      * @param result
 667      * @param index
 668      */
 669     @Override
 670     public void onTmpFileCopied(String result, int index) {
 671         if (mNumCacheFile -- == 0) {
 672             dismissWaitingCopyDialog();
 673         }
 674         if (result != null) {
 675             Intent intent = new Intent(getApplicationContext(), FileUploader.class);
 676             intent.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 677             intent.putExtra(FileUploader.KEY_LOCAL_FILE, result);
 678             intent.putExtra(FileUploader.KEY_REMOTE_FILE, mRemoteCacheData.get(index));
 679             intent.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 680             startService(intent);
 681
 682         } else {
 683             String message = String.format(getString(R.string.uploader_error_forbidden_content),
 684                     getString(R.string.app_name));
 685             Toast.makeText(this, message, Toast.LENGTH_LONG).show();
 686             Log_OC.d(TAG, message);
 687         }
 688
 689     }
 690 /**
 691      * Show waiting for copy dialog
 692      */
 693     public void showWaitingCopyDialog() {
 694         // Construct dialog
 695         LoadingDialog loading = new LoadingDialog(
 696                 getResources().getString(R.string.wait_for_tmp_copy_from_private_storage));
 697         FragmentManager fm = getSupportFragmentManager();
 698         FragmentTransaction ft = fm.beginTransaction();
 699         loading.show(ft, DIALOG_WAIT_COPY_FILE);
 700
 701     }
 702
 703
 704     /**
 705      * Dismiss waiting for copy dialog
 706      */
 707     public void dismissWaitingCopyDialog(){
 708         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_COPY_FILE);
 709         if (frag != null) {
 710             LoadingDialog loading = (LoadingDialog) frag;
 711             loading.dismiss();
 712         }
 713     }
 714 }