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         ActionBar actionBar = getSupportActionBar();
 152         actionBar.setIcon(DisplayUtils.getSeasonalIconId());
 153
 154     }
 155
 156     @Override
 157     protected void setAccount(Account account, boolean savedAccount) {
 158         if (somethingToUpload()) {
 159             mAccountManager = (AccountManager) getSystemService(Context.ACCOUNT_SERVICE);
 160             Account[] accounts = mAccountManager.getAccountsByType(MainApp.getAccountType());
 161             if (accounts.length == 0) {
 162                 Log_OC.i(TAG, "No ownCloud account is available");
 163                 showDialog(DIALOG_NO_ACCOUNT);
 164             } else if (accounts.length > 1 && !mAccountSelected && !mAccountSelectionShowing) {
 165                 Log_OC.i(TAG, "More than one ownCloud is available");
 166                 showDialog(DIALOG_MULTIPLE_ACCOUNT);
 167                 mAccountSelectionShowing = true;
 168             } else {
 169                 if (!savedAccount) {
 170                     setAccount(accounts[0]);
 171                 }
 172             }
 173
 174         } else {
 175             showDialog(DIALOG_NO_STREAM);
 176         }
 177
 178         super.setAccount(account, savedAccount);
 179     }
 180
 181     @Override
 182     protected void onAccountSet(boolean stateWasRecovered) {
 183         super.onAccountSet(mAccountWasRestored);
 184         initTargetFolder();
 185         populateDirectoryList();
 186     }
 187
 188     @Override
 189     protected void onSaveInstanceState(Bundle outState) {
 190          Log_OC.d(TAG, "onSaveInstanceState() start");
 191         super.onSaveInstanceState(outState);
 192         outState.putSerializable(KEY_PARENTS, mParents);
 193         //outState.putParcelable(KEY_ACCOUNT, mAccount);
 194         outState.putParcelable(KEY_FILE, mFile);
 195         outState.putBoolean(KEY_ACCOUNT_SELECTED, mAccountSelected);
 196         outState.putBoolean(KEY_ACCOUNT_SELECTION_SHOWING, mAccountSelectionShowing);
 197         outState.putInt(KEY_NUM_CACHE_FILE, mNumCacheFile);
 198         outState.putStringArrayList(KEY_REMOTE_CACHE_DATA, mRemoteCacheData);
 199         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, getAccount());
 200
 201         Log_OC.d(TAG, "onSaveInstanceState() end");
 202     }
 203
 204     @Override
 205     protected Dialog onCreateDialog(final int id) {
 206         final AlertDialog.Builder builder = new Builder(this);
 207         switch (id) {
 208         case DIALOG_WAITING:
 209             ProgressDialog pDialog = new ProgressDialog(this);
 210             pDialog.setIndeterminate(false);
 211             pDialog.setCancelable(false);
 212             pDialog.setMessage(getResources().getString(R.string.uploader_info_uploading));
 213             return pDialog;
 214         case DIALOG_NO_ACCOUNT:
 215             builder.setIcon(android.R.drawable.ic_dialog_alert);
 216             builder.setTitle(R.string.uploader_wrn_no_account_title);
 217             builder.setMessage(String.format(
 218                     getString(R.string.uploader_wrn_no_account_text), getString(R.string.app_name)));
 219             builder.setCancelable(false);
 220             builder.setPositiveButton(R.string.uploader_wrn_no_account_setup_btn_text, new OnClickListener() {
 221                 @Override
 222                 public void onClick(DialogInterface dialog, int which) {
 223                     if (android.os.Build.VERSION.SDK_INT >
 224                             android.os.Build.VERSION_CODES.ECLAIR_MR1) {
 225                         // using string value since in API7 this
 226                         // constatn is not defined
 227                         // in API7 < this constatant is defined in
 228                         // Settings.ADD_ACCOUNT_SETTINGS
 229                         // and Settings.EXTRA_AUTHORITIES
 230                         Intent intent = new Intent(android.provider.Settings.ACTION_ADD_ACCOUNT);
 231                         intent.putExtra("authorities", new String[] { MainApp.getAuthTokenType() });
 232                         startActivityForResult(intent, REQUEST_CODE_SETUP_ACCOUNT);
 233                     } else {
 234                         // since in API7 there is no direct call for
 235                         // account setup, so we need to
 236                         // show our own AccountSetupAcricity, get
 237                         // desired results and setup
 238                         // everything for ourself
 239                         Intent intent = new Intent(getBaseContext(), AccountAuthenticator.class);
 240                         startActivityForResult(intent, REQUEST_CODE_SETUP_ACCOUNT);
 241                     }
 242                 }
 243             });
 244             builder.setNegativeButton(R.string.uploader_wrn_no_account_quit_btn_text, new OnClickListener() {
 245                 @Override
 246                 public void onClick(DialogInterface dialog, int which) {
 247                     finish();
 248                 }
 249             });
 250             return builder.create();
 251         case DIALOG_MULTIPLE_ACCOUNT:
 252             CharSequence ac[] = new CharSequence[
 253                     mAccountManager.getAccountsByType(MainApp.getAccountType()).length];
 254             for (int i = 0; i < ac.length; ++i) {
 255                 ac[i] = DisplayUtils.convertIdn(
 256                         mAccountManager.getAccountsByType(MainApp.getAccountType())[i].name, false);
 257             }
 258             builder.setTitle(R.string.common_choose_account);
 259             builder.setItems(ac, new OnClickListener() {
 260                 @Override
 261                 public void onClick(DialogInterface dialog, int which) {
 262                     setAccount(mAccountManager.getAccountsByType(MainApp.getAccountType())[which]);
 263                     onAccountSet(mAccountWasRestored);
 264                     dialog.dismiss();
 265                     mAccountSelected = true;
 266                     mAccountSelectionShowing = false;
 267                 }
 268             });
 269             builder.setCancelable(true);
 270             builder.setOnCancelListener(new OnCancelListener() {
 271                 @Override
 272                 public void onCancel(DialogInterface dialog) {
 273                     mAccountSelectionShowing = false;
 274                     dialog.cancel();
 275                     finish();
 276                 }
 277             });
 278             return builder.create();
 279         case DIALOG_NO_STREAM:
 280             builder.setIcon(android.R.drawable.ic_dialog_alert);
 281             builder.setTitle(R.string.uploader_wrn_no_content_title);
 282             builder.setMessage(R.string.uploader_wrn_no_content_text);
 283             builder.setCancelable(false);
 284             builder.setNegativeButton(R.string.common_cancel, new OnClickListener() {
 285                 @Override
 286                 public void onClick(DialogInterface dialog, int which) {
 287                     finish();
 288                 }
 289             });
 290             return builder.create();
 291         default:
 292             throw new IllegalArgumentException("Unknown dialog id: " + id);
 293         }
 294     }
 295
 296     class a implements OnClickListener {
 297         String mPath;
 298         EditText mDirname;
 299
 300         public a(String path, EditText dirname) {
 301             mPath = path;
 302             mDirname = dirname;
 303         }
 304
 305         @Override
 306         public void onClick(DialogInterface dialog, int which) {
 307             Uploader.this.mUploadPath = mPath + mDirname.getText().toString();
 308             Uploader.this.mCreateDir = true;
 309             uploadFiles();
 310         }
 311     }
 312
 313     @Override
 314     public void onBackPressed() {
 315
 316         if (mParents.size() <= 1) {
 317             super.onBackPressed();
 318             return;
 319         } else {
 320             mParents.pop();
 321             populateDirectoryList();
 322         }
 323     }
 324
 325     @Override
 326     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
 327         // click on folder in the list
 328         Log_OC.d(TAG, "on item click");
 329         // TODO Enable when "On Device" is recovered ?
 330         Vector<OCFile> tmpfiles = getStorageManager().getFolderContent(mFile /*, false*/);
 331         if (tmpfiles.size() <= 0) return;
 332         // filter on dirtype
 333         Vector<OCFile> files = new Vector<OCFile>();
 334         for (OCFile f : tmpfiles)
 335             if (f.isFolder())
 336                 files.add(f);
 337         if (files.size() < position) {
 338             throw new IndexOutOfBoundsException("Incorrect item selected");
 339         }
 340         mParents.push(files.get(position).getFileName());
 341         populateDirectoryList();
 342     }
 343
 344     @Override
 345     public void onClick(View v) {
 346         // click on button
 347         switch (v.getId()) {
 348         case R.id.uploader_choose_folder:
 349             mUploadPath = "";   // first element in mParents is root dir, represented by "";
 350                                 // init mUploadPath with "/" results in a "//" prefix
 351             for (String p : mParents)
 352                 mUploadPath += p + OCFile.PATH_SEPARATOR;
 353             Log_OC.d(TAG, "Uploading file to dir " + mUploadPath);
 354
 355             uploadFiles();
 356
 357             break;
 358
 359         case R.id.uploader_new_folder:
 360             CreateFolderDialogFragment dialog = CreateFolderDialogFragment.newInstance(mFile);
 361             dialog.show(getSupportFragmentManager(), "createdirdialog");
 362             break;
 363
 364
 365         default:
 366             throw new IllegalArgumentException("Wrong element clicked");
 367         }
 368     }
 369
 370     @Override
 371     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 372         super.onActivityResult(requestCode, resultCode, data);
 373         Log_OC.i(TAG, "result received. req: " + requestCode + " res: " + resultCode);
 374         if (requestCode == REQUEST_CODE_SETUP_ACCOUNT) {
 375             dismissDialog(DIALOG_NO_ACCOUNT);
 376             if (resultCode == RESULT_CANCELED) {
 377                 finish();
 378             }
 379             Account[] accounts = mAccountManager.getAccountsByType(MainApp.getAuthTokenType());
 380             if (accounts.length == 0) {
 381                 showDialog(DIALOG_NO_ACCOUNT);
 382             } else {
 383                 // there is no need for checking for is there more then one
 384                 // account at this point
 385                 // since account setup can set only one account at time
 386                 setAccount(accounts[0]);
 387                 populateDirectoryList();
 388             }
 389         }
 390     }
 391
 392     private void populateDirectoryList() {
 393         setContentView(R.layout.uploader_layout);
 394
 395         ListView mListView = (ListView) findViewById(android.R.id.list);
 396
 397         String current_dir = mParents.peek();
 398         if(current_dir.equals("")){
 399             getSupportActionBar().setTitle(getString(R.string.default_display_name_for_root_folder));
 400         }
 401         else{
 402             getSupportActionBar().setTitle(current_dir);
 403         }
 404         boolean notRoot = (mParents.size() > 1);
 405         ActionBar actionBar = getSupportActionBar();
 406         actionBar.setDisplayHomeAsUpEnabled(notRoot);
 407         actionBar.setHomeButtonEnabled(notRoot);
 408
 409         String full_path = generatePath(mParents);
 410
 411         Log_OC.d(TAG, "Populating view with content of : " + full_path);
 412
 413         mFile = getStorageManager().getFileByPath(full_path);
 414         if (mFile != null) {
 415             // TODO Enable when "On Device" is recovered ?
 416             Vector<OCFile> files = getStorageManager().getFolderContent(mFile/*, false*/);
 417             List<HashMap<String, Object>> data = new LinkedList<HashMap<String,Object>>();
 418             for (OCFile f : files) {
 419                 HashMap<String, Object> h = new HashMap<String, Object>();
 420                 if (f.isFolder()) {
 421                     h.put("dirname", f.getFileName());
 422                     data.add(h);
 423                 }
 424             }
 425             SimpleAdapter sa = new SimpleAdapter(this,
 426                                                 data,
 427                                                 R.layout.uploader_list_item_layout,
 428                                                 new String[] {"dirname"},
 429                                                 new int[] {R.id.filename});
 430
 431             mListView.setAdapter(sa);
 432             Button btnChooseFolder = (Button) findViewById(R.id.uploader_choose_folder);
 433             btnChooseFolder.setOnClickListener(this);
 434
 435             Button btnNewFolder = (Button) findViewById(R.id.uploader_new_folder);
 436             btnNewFolder.setOnClickListener(this);
 437
 438             mListView.setOnItemClickListener(this);
 439         }
 440     }
 441
 442     private String generatePath(Stack<String> dirs) {
 443         String full_path = "";
 444
 445         for (String a : dirs)
 446             full_path += a + "/";
 447         return full_path;
 448     }
 449
 450     private void prepareStreamsToUpload() {
 451         if (getIntent().getAction().equals(Intent.ACTION_SEND)) {
 452             mStreamsToUpload = new ArrayList<Parcelable>();
 453             mStreamsToUpload.add(getIntent().getParcelableExtra(Intent.EXTRA_STREAM));
 454         } else if (getIntent().getAction().equals(Intent.ACTION_SEND_MULTIPLE)) {
 455             mStreamsToUpload = getIntent().getParcelableArrayListExtra(Intent.EXTRA_STREAM);
 456         }
 457     }
 458
 459     private boolean somethingToUpload() {
 460         return (mStreamsToUpload != null && mStreamsToUpload.get(0) != null);
 461     }
 462
 463     public void uploadFiles() {
 464         try {
 465
 466             // ArrayList for files with path in external storage
 467             ArrayList<String> local = new ArrayList<String>();
 468             ArrayList<String> remote = new ArrayList<String>();
 469
 470             // this checks the mimeType
 471             for (Parcelable mStream : mStreamsToUpload) {
 472
 473                 Uri uri = (Uri) mStream;
 474                 String data = null;
 475                 String filePath = "";
 476
 477                 if (uri != null) {
 478                     if (uri.getScheme().equals("content")) {
 479                         String mimeType = getContentResolver().getType(uri);
 480
 481                         if (mimeType.contains("image")) {
 482                             String[] CONTENT_PROJECTION = { Images.Media.DATA,
 483                                     Images.Media.DISPLAY_NAME, Images.Media.MIME_TYPE,
 484                                     Images.Media.SIZE };
 485                             Cursor c = getContentResolver().query(uri, CONTENT_PROJECTION, null,
 486                                     null, null);
 487                             c.moveToFirst();
 488                             int index = c.getColumnIndex(Images.Media.DATA);
 489                             data = c.getString(index);
 490                             filePath = mUploadPath +
 491                                     c.getString(c.getColumnIndex(Images.Media.DISPLAY_NAME));
 492
 493                         } else if (mimeType.contains("video")) {
 494                             String[] CONTENT_PROJECTION = { Video.Media.DATA,
 495                                    Video.Media.DISPLAY_NAME, Video.Media.MIME_TYPE,
 496                                    Video.Media.SIZE, Video.Media.DATE_MODIFIED };
 497                             Cursor c = getContentResolver().query(uri, CONTENT_PROJECTION, null,
 498                                    null, null);
 499                             c.moveToFirst();
 500                             int index = c.getColumnIndex(Video.Media.DATA);
 501                             data = c.getString(index);
 502                             filePath = mUploadPath +
 503                                    c.getString(c.getColumnIndex(Video.Media.DISPLAY_NAME));
 504
 505                         } else if (mimeType.contains("audio")) {
 506                             String[] CONTENT_PROJECTION = { Audio.Media.DATA,
 507                                    Audio.Media.DISPLAY_NAME, Audio.Media.MIME_TYPE,
 508                                    Audio.Media.SIZE };
 509                             Cursor c = getContentResolver().query(uri, CONTENT_PROJECTION, null,
 510                                    null, null);
 511                             c.moveToFirst();
 512                             int index = c.getColumnIndex(Audio.Media.DATA);
 513                             data = c.getString(index);
 514                             filePath = mUploadPath +
 515                                    c.getString(c.getColumnIndex(Audio.Media.DISPLAY_NAME));
 516
 517                         } else  {
 518                             Cursor cursor = getContentResolver().query(uri,
 519                                    new String[]{MediaStore.MediaColumns.DISPLAY_NAME},
 520                                    null, null, null);
 521                             cursor.moveToFirst();
 522                             int nameIndex = cursor.getColumnIndex(cursor.getColumnNames()[0]);
 523                             if (nameIndex >= 0) {
 524                                filePath = mUploadPath + cursor.getString(nameIndex);
 525                             }
 526                         }
 527
 528                     } else if (uri.getScheme().equals("file")) {
 529                         filePath = Uri.decode(uri.toString()).replace(uri.getScheme() +
 530                                 "://", "");
 531                         if (filePath.contains("mnt")) {
 532                            String splitedFilePath[] = filePath.split("/mnt");
 533                            filePath = splitedFilePath[1];
 534                         }
 535                         final File file = new File(filePath);
 536                         data = file.getAbsolutePath();
 537                         filePath = mUploadPath + file.getName();
 538                     }
 539                     else {
 540                         throw new SecurityException();
 541                     }
 542                     if (data == null) {
 543                         mRemoteCacheData.add(filePath);
 544                         CopyTmpFileAsyncTask copyTask = new CopyTmpFileAsyncTask(this);
 545                         Object[] params = { uri, filePath, mRemoteCacheData.size()-1,
 546                                 getAccount().name, getContentResolver()};
 547                         mNumCacheFile++;
 548                         showWaitingCopyDialog();
 549                         copyTask.execute(params);
 550                     } else {
 551                         remote.add(filePath);
 552                         local.add(data);
 553                     }
 554                 }
 555                 else {
 556                     throw new SecurityException();
 557                 }
 558
 559                 Intent intent = new Intent(getApplicationContext(), FileUploader.class);
 560                 intent.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_MULTIPLE_FILES);
 561                 intent.putExtra(FileUploader.KEY_LOCAL_FILE, local.toArray(new String[local.size()]));
 562                 intent.putExtra(FileUploader.KEY_REMOTE_FILE,
 563                         remote.toArray(new String[remote.size()]));
 564                 intent.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 565                 startService(intent);
 566
 567                 //Save the path to shared preferences
 568                 SharedPreferences.Editor appPrefs = PreferenceManager
 569                         .getDefaultSharedPreferences(getApplicationContext()).edit();
 570                 appPrefs.putString("last_upload_path", mUploadPath);
 571                 appPrefs.apply();
 572
 573                 finish();
 574             }
 575
 576         } catch (SecurityException e) {
 577             String message = String.format(getString(R.string.uploader_error_forbidden_content),
 578                     getString(R.string.app_name));
 579             Toast.makeText(this, message, Toast.LENGTH_LONG).show();
 580         }
 581     }
 582
 583     @Override
 584     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 585         super.onRemoteOperationFinish(operation, result);
 586
 587
 588         if (operation instanceof CreateFolderOperation) {
 589             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
 590         }
 591
 592     }
 593
 594     /**
 595      * Updates the view associated to the activity after the finish of an operation
 596      * trying create a new folder
 597      *
 598      * @param operation     Creation operation performed.
 599      * @param result        Result of the creation.
 600      */
 601     private void onCreateFolderOperationFinish(CreateFolderOperation operation,
 602                                                RemoteOperationResult result) {
 603         if (result.isSuccess()) {
 604             dismissLoadingDialog();
 605             populateDirectoryList();
 606         } else {
 607             dismissLoadingDialog();
 608             try {
 609                 Toast msg = Toast.makeText(this,
 610                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 611                         Toast.LENGTH_LONG);
 612                 msg.show();
 613
 614             } catch (NotFoundException e) {
 615                 Log_OC.e(TAG, "Error while trying to show fail message " , e);
 616             }
 617         }
 618     }
 619
 620
 621     /**
 622      *  Loads the target folder initialize shown to the user.
 623      *
 624      *  The target account has to be chosen before this method is called.
 625      */
 626     private void initTargetFolder() {
 627         if (getStorageManager() == null) {
 628             throw new IllegalStateException("Do not call this method before " +
 629                     "initializing mStorageManager");
 630         }
 631
 632         SharedPreferences appPreferences = PreferenceManager
 633                 .getDefaultSharedPreferences(getApplicationContext());
 634
 635         String last_path = appPreferences.getString("last_upload_path", "");
 636         // "/" equals root-directory
 637         if(last_path.equals("/")) {
 638             mParents.add("");
 639         } else{
 640             String[] dir_names = last_path.split("/");
 641             mParents.clear();
 642             for (String dir : dir_names)
 643                 mParents.add(dir);
 644         }
 645         //Make sure that path still exists, if it doesn't pop the stack and try the previous path
 646         while(!getStorageManager().fileExists(generatePath(mParents)) && mParents.size() > 1){
 647             mParents.pop();
 648         }
 649     }
 650
 651
 652     @Override
 653     public boolean onOptionsItemSelected(MenuItem item) {
 654         boolean retval = true;
 655         switch (item.getItemId()) {
 656             case android.R.id.home:
 657                 if((mParents.size() > 1)) {
 658                     onBackPressed();
 659                 }
 660                 break;
 661
 662             default:
 663                 retval = super.onOptionsItemSelected(item);
 664         }
 665         return retval;
 666     }
 667
 668
 669     /**
 670      * Process the result of CopyTmpFileAsyncTask
 671      * @param result
 672      * @param index
 673      */
 674     @Override
 675     public void onTmpFileCopied(String result, int index) {
 676         if (mNumCacheFile -- == 0) {
 677             dismissWaitingCopyDialog();
 678         }
 679         if (result != null) {
 680             Intent intent = new Intent(getApplicationContext(), FileUploader.class);
 681             intent.putExtra(FileUploader.KEY_UPLOAD_TYPE, FileUploader.UPLOAD_SINGLE_FILE);
 682             intent.putExtra(FileUploader.KEY_LOCAL_FILE, result);
 683             intent.putExtra(FileUploader.KEY_REMOTE_FILE, mRemoteCacheData.get(index));
 684             intent.putExtra(FileUploader.KEY_ACCOUNT, getAccount());
 685             startService(intent);
 686
 687         } else {
 688             String message = String.format(getString(R.string.uploader_error_forbidden_content),
 689                     getString(R.string.app_name));
 690             Toast.makeText(this, message, Toast.LENGTH_LONG).show();
 691             Log_OC.d(TAG, message);
 692         }
 693
 694     }
 695 /**
 696      * Show waiting for copy dialog
 697      */
 698     public void showWaitingCopyDialog() {
 699         // Construct dialog
 700         LoadingDialog loading = new LoadingDialog(
 701                 getResources().getString(R.string.wait_for_tmp_copy_from_private_storage));
 702         FragmentManager fm = getSupportFragmentManager();
 703         FragmentTransaction ft = fm.beginTransaction();
 704         loading.show(ft, DIALOG_WAIT_COPY_FILE);
 705
 706     }
 707
 708
 709     /**
 710      * Dismiss waiting for copy dialog
 711      */
 712     public void dismissWaitingCopyDialog(){
 713         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_COPY_FILE);
 714         if (frag != null) {
 715             LoadingDialog loading = (LoadingDialog) frag;
 716             loading.dismiss();
 717         }
 718     }
 719 }