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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author David A. Velasco
   5  *   Copyright (C) 2011  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 android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.accounts.AccountManagerCallback;
  27 import android.accounts.AccountManagerFuture;
  28 import android.accounts.AuthenticatorException;
  29 import android.accounts.OperationCanceledException;
  30 import android.content.ComponentName;
  31 import android.content.Context;
  32 import android.content.Intent;
  33 import android.content.ServiceConnection;
  34 import android.os.Bundle;
  35 import android.os.Handler;
  36 import android.os.IBinder;
  37 import android.support.v4.app.Fragment;
  38 import android.support.v4.app.FragmentManager;
  39 import android.support.v4.app.FragmentTransaction;
  40 import android.widget.Toast;
  41
  42 import com.actionbarsherlock.app.SherlockFragmentActivity;
  43 import com.owncloud.android.MainApp;
  44 import com.owncloud.android.R;
  45 import com.owncloud.android.authentication.AccountUtils;
  46 import com.owncloud.android.authentication.AuthenticatorActivity;
  47 import com.owncloud.android.datamodel.FileDataStorageManager;
  48 import com.owncloud.android.datamodel.OCFile;
  49 import com.owncloud.android.files.FileOperationsHelper;
  50 import com.owncloud.android.files.services.FileDownloader;
  51 import com.owncloud.android.files.services.FileUploader;
  52 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  53 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  54 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  55 import com.owncloud.android.lib.common.operations.RemoteOperation;
  56 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  57 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  58 import com.owncloud.android.lib.common.utils.Log_OC;
  59 import com.owncloud.android.operations.CreateShareOperation;
  60 import com.owncloud.android.operations.SynchronizeFolderOperation;
  61 import com.owncloud.android.operations.UnshareLinkOperation;
  62 import com.owncloud.android.services.OperationsService;
  63 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  64 import com.owncloud.android.ui.dialog.CreateFolderDialogFragment;
  65 import com.owncloud.android.ui.dialog.LoadingDialog;
  66 import com.owncloud.android.ui.dialog.SharePasswordDialogFragment;
  67 import com.owncloud.android.utils.ErrorMessageAdapter;
  68
  69
  70 /**
  71  * Activity with common behaviour for activities handling {@link OCFile}s in ownCloud {@link Account}s .
  72  */
  73 public class FileActivity extends SherlockFragmentActivity
  74         implements OnRemoteOperationListener, ComponentsGetter {
  75
  76     public static final String EXTRA_FILE = "com.owncloud.android.ui.activity.FILE";
  77     public static final String EXTRA_ACCOUNT = "com.owncloud.android.ui.activity.ACCOUNT";
  78     public static final String EXTRA_WAITING_TO_PREVIEW = "com.owncloud.android.ui.activity.WAITING_TO_PREVIEW";
  79     public static final String EXTRA_FROM_NOTIFICATION = "com.owncloud.android.ui.activity.FROM_NOTIFICATION";
  80
  81     public static final String TAG = FileActivity.class.getSimpleName();
  82
  83     private static final String DIALOG_WAIT_TAG = "DIALOG_WAIT";
  84     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
  85     private static final String DIALOG_SHARE_PASSWORD = "DIALOG_SHARE_PASSWORD";
  86     private static final String KEY_TRY_SHARE_AGAIN = "TRY_SHARE_AGAIN";
  87
  88     protected static final long DELAY_TO_REQUEST_OPERATION_ON_ACTIVITY_RESULTS = 200;
  89
  90
  91     /** OwnCloud {@link Account} where the main {@link OCFile} handled by the activity is located. */
  92     private Account mAccount;
  93
  94     /** Main {@link OCFile} handled by the activity.*/
  95     private OCFile mFile;
  96
  97     /** Flag to signal that the activity will is finishing to enforce the creation of an ownCloud {@link Account} */
  98     private boolean mRedirectingToSetupAccount = false;
  99
 100     /** Flag to signal when the value of mAccount was set */
 101     private boolean mAccountWasSet;
 102
 103     /** Flag to signal when the value of mAccount was restored from a saved state */
 104     private boolean mAccountWasRestored;
 105
 106     /** Flag to signal if the activity is launched by a notification */
 107     private boolean mFromNotification;
 108
 109     /** Messages handler associated to the main thread and the life cycle of the activity */
 110     private Handler mHandler;
 111
 112     /** Access point to the cached database for the current ownCloud {@link Account} */
 113     private FileDataStorageManager mStorageManager = null;
 114
 115     private FileOperationsHelper mFileOperationsHelper;
 116
 117     private ServiceConnection mOperationsServiceConnection = null;
 118
 119     private OperationsServiceBinder mOperationsServiceBinder = null;
 120
 121     protected FileDownloaderBinder mDownloaderBinder = null;
 122     protected FileUploaderBinder mUploaderBinder = null;
 123     private ServiceConnection mDownloadServiceConnection, mUploadServiceConnection = null;
 124
 125     private boolean mTryShareAgain = false;
 126
 127
 128     /**
 129      * Loads the ownCloud {@link Account} and main {@link OCFile} to be handled by the instance of
 130      * the {@link FileActivity}.
 131      *
 132      * Grants that a valid ownCloud {@link Account} is associated to the instance, or that the user
 133      * is requested to create a new one.
 134      */
 135     @Override
 136     protected void onCreate(Bundle savedInstanceState) {
 137         super.onCreate(savedInstanceState);
 138         mHandler = new Handler();
 139         mFileOperationsHelper = new FileOperationsHelper(this);
 140         Account account;
 141         if(savedInstanceState != null) {
 142             account = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
 143             mFile = savedInstanceState.getParcelable(FileActivity.EXTRA_FILE);
 144             mFromNotification = savedInstanceState.getBoolean(FileActivity.EXTRA_FROM_NOTIFICATION);
 145             mFileOperationsHelper.setOpIdWaitingFor(
 146                     savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID, Long.MAX_VALUE)
 147                     );
 148             mTryShareAgain = savedInstanceState.getBoolean(KEY_TRY_SHARE_AGAIN);
 149         } else {
 150             account = getIntent().getParcelableExtra(FileActivity.EXTRA_ACCOUNT);
 151             mFile = getIntent().getParcelableExtra(FileActivity.EXTRA_FILE);
 152             mFromNotification = getIntent().getBooleanExtra(FileActivity.EXTRA_FROM_NOTIFICATION, false);
 153         }
 154
 155         setAccount(account, savedInstanceState != null);
 156
 157         mOperationsServiceConnection = new OperationsServiceConnection();
 158         bindService(new Intent(this, OperationsService.class), mOperationsServiceConnection, Context.BIND_AUTO_CREATE);
 159
 160         mDownloadServiceConnection = newTransferenceServiceConnection();
 161         if (mDownloadServiceConnection != null) {
 162             bindService(new Intent(this, FileDownloader.class), mDownloadServiceConnection, Context.BIND_AUTO_CREATE);
 163         }
 164         mUploadServiceConnection = newTransferenceServiceConnection();
 165         if (mUploadServiceConnection != null) {
 166             bindService(new Intent(this, FileUploader.class), mUploadServiceConnection, Context.BIND_AUTO_CREATE);
 167         }
 168
 169     }
 170
 171
 172     /**
 173      *  Since ownCloud {@link Account}s can be managed from the system setting menu,
 174      *  the existence of the {@link Account} associated to the instance must be checked
 175      *  every time it is restarted.
 176      */
 177     @Override
 178     protected void onRestart() {
 179         super.onRestart();
 180         boolean validAccount = (mAccount != null && AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), mAccount.name));
 181         if (!validAccount) {
 182             swapToDefaultAccount();
 183         }
 184     }
 185
 186
 187     @Override
 188     protected void onStart() {
 189         super.onStart();
 190
 191         if (mAccountWasSet) {
 192             onAccountSet(mAccountWasRestored);
 193         }
 194     }
 195
 196     @Override
 197     protected void onResume() {
 198         super.onResume();
 199
 200         if (mOperationsServiceBinder != null) {
 201             doOnResumeAndBound();
 202         }
 203
 204     }
 205
 206     @Override
 207     protected void onPause()  {
 208
 209         if (mOperationsServiceBinder != null) {
 210             mOperationsServiceBinder.removeOperationListener(this);
 211         }
 212
 213         super.onPause();
 214     }
 215
 216
 217     @Override
 218     protected void onDestroy() {
 219         if (mOperationsServiceConnection != null) {
 220             unbindService(mOperationsServiceConnection);
 221             mOperationsServiceBinder = null;
 222         }
 223         if (mDownloadServiceConnection != null) {
 224             unbindService(mDownloadServiceConnection);
 225             mDownloadServiceConnection = null;
 226         }
 227         if (mUploadServiceConnection != null) {
 228             unbindService(mUploadServiceConnection);
 229             mUploadServiceConnection = null;
 230         }
 231
 232         super.onDestroy();
 233     }
 234
 235
 236     /**
 237      *  Sets and validates the ownCloud {@link Account} associated to the Activity.
 238      *
 239      *  If not valid, tries to swap it for other valid and existing ownCloud {@link Account}.
 240      *
 241      *  POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}.
 242      *
 243      *  @param account          New {@link Account} to set.
 244      *  @param savedAccount     When 'true', account was retrieved from a saved instance state.
 245      */
 246     private void setAccount(Account account, boolean savedAccount) {
 247         Account oldAccount = mAccount;
 248         boolean validAccount = (account != null && AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), account.name));
 249         if (validAccount) {
 250             mAccount = account;
 251             mAccountWasSet = true;
 252             mAccountWasRestored = (savedAccount || mAccount.equals(oldAccount));
 253
 254         } else {
 255             swapToDefaultAccount();
 256         }
 257     }
 258
 259
 260     /**
 261      *  Tries to swap the current ownCloud {@link Account} for other valid and existing.
 262      *
 263      *  If no valid ownCloud {@link Account} exists, the the user is requested
 264      *  to create a new ownCloud {@link Account}.
 265      *
 266      *  POSTCONDITION: updates {@link #mAccountWasSet} and {@link #mAccountWasRestored}.
 267      */
 268     private void swapToDefaultAccount() {
 269         // default to the most recently used account
 270         Account newAccount  = AccountUtils.getCurrentOwnCloudAccount(getApplicationContext());
 271         if (newAccount == null) {
 272             /// no account available: force account creation
 273             createFirstAccount();
 274             mRedirectingToSetupAccount = true;
 275             mAccountWasSet = false;
 276             mAccountWasRestored = false;
 277
 278         } else {
 279             mAccountWasSet = true;
 280             mAccountWasRestored = (newAccount.equals(mAccount));
 281             mAccount = newAccount;
 282         }
 283     }
 284
 285
 286     /**
 287      * Launches the account creation activity. To use when no ownCloud account is available
 288      */
 289     private void createFirstAccount() {
 290         AccountManager am = AccountManager.get(getApplicationContext());
 291         am.addAccount(MainApp.getAccountType(),
 292                         null,
 293                         null,
 294                         null,
 295                         this,
 296                         new AccountCreationCallback(),
 297                         null);
 298     }
 299
 300
 301     /**
 302      * {@inheritDoc}
 303      */
 304     @Override
 305     protected void onSaveInstanceState(Bundle outState) {
 306         super.onSaveInstanceState(outState);
 307         outState.putParcelable(FileActivity.EXTRA_FILE, mFile);
 308         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
 309         outState.putBoolean(FileActivity.EXTRA_FROM_NOTIFICATION, mFromNotification);
 310         outState.putLong(KEY_WAITING_FOR_OP_ID, mFileOperationsHelper.getOpIdWaitingFor());
 311         outState.putBoolean(KEY_TRY_SHARE_AGAIN, mTryShareAgain);
 312     }
 313
 314
 315     /**
 316      * Getter for the main {@link OCFile} handled by the activity.
 317      *
 318      * @return  Main {@link OCFile} handled by the activity.
 319      */
 320     public OCFile getFile() {
 321         return mFile;
 322     }
 323
 324
 325     /**
 326      * Setter for the main {@link OCFile} handled by the activity.
 327      *
 328      * @param file  Main {@link OCFile} to be handled by the activity.
 329      */
 330     public void setFile(OCFile file) {
 331         mFile = file;
 332     }
 333
 334
 335     /**
 336      * Getter for the ownCloud {@link Account} where the main {@link OCFile} handled by the activity is located.
 337      *
 338      * @return  OwnCloud {@link Account} where the main {@link OCFile} handled by the activity is located.
 339      */
 340     public Account getAccount() {
 341         return mAccount;
 342     }
 343
 344     /**
 345      * @return Value of mFromNotification: True if the Activity is launched by a notification
 346      */
 347     public boolean fromNotification() {
 348         return mFromNotification;
 349     }
 350
 351     /**
 352      * @return  'True' when the Activity is finishing to enforce the setup of a new account.
 353      */
 354     protected boolean isRedirectingToSetupAccount() {
 355         return mRedirectingToSetupAccount;
 356     }
 357
 358     public boolean isTryShareAgain(){
 359         return mTryShareAgain;
 360     }
 361
 362     public void setTryShareAgain(boolean tryShareAgain) {
 363        mTryShareAgain = tryShareAgain;
 364     }
 365
 366     public OperationsServiceBinder getOperationsServiceBinder() {
 367         return mOperationsServiceBinder;
 368     }
 369
 370     protected ServiceConnection newTransferenceServiceConnection() {
 371         return null;
 372     }
 373
 374     /**
 375      * Helper class handling a callback from the {@link AccountManager} after the creation of
 376      * a new ownCloud {@link Account} finished, successfully or not.
 377      *
 378      * At this moment, only called after the creation of the first account.
 379      */
 380     public class AccountCreationCallback implements AccountManagerCallback<Bundle> {
 381
 382         @Override
 383         public void run(AccountManagerFuture<Bundle> future) {
 384             FileActivity.this.mRedirectingToSetupAccount = false;
 385             boolean accountWasSet = false;
 386             if (future != null) {
 387                 try {
 388                     Bundle result;
 389                     result = future.getResult();
 390                     String name = result.getString(AccountManager.KEY_ACCOUNT_NAME);
 391                     String type = result.getString(AccountManager.KEY_ACCOUNT_TYPE);
 392                     if (AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), name)) {
 393                         setAccount(new Account(name, type), false);
 394                         accountWasSet = true;
 395                     }
 396                 } catch (OperationCanceledException e) {
 397                     Log_OC.d(TAG, "Account creation canceled");
 398
 399                 } catch (Exception e) {
 400                     Log_OC.e(TAG, "Account creation finished in exception: ", e);
 401                 }
 402
 403             } else {
 404                 Log_OC.e(TAG, "Account creation callback with null bundle");
 405             }
 406             if (!accountWasSet) {
 407                 moveTaskToBack(true);
 408             }
 409         }
 410
 411     }
 412
 413
 414     /**
 415      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 416      *
 417      *  Child classes must grant that state depending on the {@link Account} is updated.
 418      */
 419     protected void onAccountSet(boolean stateWasRecovered) {
 420         if (getAccount() != null) {
 421             mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
 422
 423         } else {
 424             Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
 425         }
 426     }
 427
 428
 429     public FileDataStorageManager getStorageManager() {
 430         return mStorageManager;
 431     }
 432
 433
 434     public OnRemoteOperationListener getRemoteOperationListener() {
 435         return this;
 436     }
 437
 438
 439     public Handler getHandler() {
 440         return mHandler;
 441     }
 442
 443     public FileOperationsHelper getFileOperationsHelper() {
 444         return mFileOperationsHelper;
 445     }
 446
 447     /**
 448      *
 449      * @param operation     Removal operation performed.
 450      * @param result        Result of the removal.
 451      */
 452     @Override
 453     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 454         Log_OC.d(TAG, "Received result of operation in FileActivity - common behaviour for all the FileActivities ");
 455
 456         mFileOperationsHelper.setOpIdWaitingFor(Long.MAX_VALUE);
 457
 458         if (!result.isSuccess() && (
 459                 result.getCode() == ResultCode.UNAUTHORIZED ||
 460                 result.isIdPRedirection() ||
 461                 (result.isException() && result.getException() instanceof AuthenticatorException)
 462                 )) {
 463
 464             requestCredentialsUpdate();
 465
 466             if (result.getCode() == ResultCode.UNAUTHORIZED) {
 467                 dismissLoadingDialog();
 468                 Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result,
 469                                 operation, getResources()),
 470                         Toast.LENGTH_LONG);
 471                 t.show();
 472             }
 473
 474         } else if (operation instanceof CreateShareOperation) {
 475             onCreateShareOperationFinish((CreateShareOperation) operation, result);
 476
 477         } else if (operation instanceof UnshareLinkOperation) {
 478             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
 479
 480         } else if (operation instanceof SynchronizeFolderOperation) {
 481             onSynchronizeFolderOperationFinish((SynchronizeFolderOperation)operation, result);
 482
 483         }
 484     }
 485
 486     protected void requestCredentialsUpdate() {
 487         Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
 488         updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, getAccount());
 489         updateAccountCredentials.putExtra(
 490                 AuthenticatorActivity.EXTRA_ACTION,
 491                 AuthenticatorActivity.ACTION_UPDATE_EXPIRED_TOKEN);
 492         updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
 493         startActivity(updateAccountCredentials);
 494     }
 495
 496
 497     private void onCreateShareOperationFinish(CreateShareOperation operation,
 498                                               RemoteOperationResult result) {
 499         dismissLoadingDialog();
 500         if (result.isSuccess()) {
 501             mTryShareAgain = false;
 502             updateFileFromDB();
 503
 504             Intent sendIntent = operation.getSendIntent();
 505             startActivity(sendIntent);
 506         } else {
 507             // Detect Failure (403) --> needs Password
 508             if (result.getCode() == ResultCode.SHARE_FORBIDDEN) {
 509                 if (!isTryShareAgain()) {
 510                     SharePasswordDialogFragment dialog =
 511                             SharePasswordDialogFragment.newInstance(new OCFile(operation.getPath()),
 512                                     operation.getSendIntent());
 513                     dialog.show(getSupportFragmentManager(), DIALOG_SHARE_PASSWORD);
 514                 } else {
 515                     Toast t = Toast.makeText(this,
 516                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 517                         Toast.LENGTH_LONG);
 518                     t.show();
 519                     mTryShareAgain = false;
 520                 }
 521             } else {
 522                 Toast t = Toast.makeText(this,
 523                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 524                         Toast.LENGTH_LONG);
 525                 t.show();
 526             }
 527         }
 528     }
 529
 530
 531     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
 532         dismissLoadingDialog();
 533
 534         if (result.isSuccess()){
 535             updateFileFromDB();
 536
 537         } else {
 538             Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 539                     Toast.LENGTH_LONG);
 540             t.show();
 541         }
 542     }
 543
 544     private void onSynchronizeFolderOperationFinish(SynchronizeFolderOperation operation, RemoteOperationResult result) {
 545         if (!result.isSuccess() && result.getCode() != ResultCode.CANCELLED){
 546             Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 547                     Toast.LENGTH_LONG);
 548             t.show();
 549         }
 550     }
 551
 552     protected void updateFileFromDB(){
 553         OCFile file = getFile();
 554         if (file != null) {
 555             file = getStorageManager().getFileByPath(file.getRemotePath());
 556             setFile(file);
 557         }
 558     }
 559
 560     /**
 561      * Show loading dialog
 562      */
 563     public void showLoadingDialog() {
 564         // Construct dialog
 565         LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
 566         FragmentManager fm = getSupportFragmentManager();
 567         FragmentTransaction ft = fm.beginTransaction();
 568         loading.show(ft, DIALOG_WAIT_TAG);
 569
 570     }
 571
 572
 573     /**
 574      * Dismiss loading dialog
 575      */
 576     public void dismissLoadingDialog(){
 577         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 578         if (frag != null) {
 579             LoadingDialog loading = (LoadingDialog) frag;
 580             loading.dismiss();
 581         }
 582     }
 583
 584
 585     private void doOnResumeAndBound() {
 586         mOperationsServiceBinder.addOperationListener(FileActivity.this, mHandler);
 587         long waitingForOpId = mFileOperationsHelper.getOpIdWaitingFor();
 588         if (waitingForOpId <= Integer.MAX_VALUE) {
 589             boolean wait = mOperationsServiceBinder.dispatchResultIfFinished((int)waitingForOpId, this);
 590             if (!wait ) {
 591                 dismissLoadingDialog();
 592             }
 593         }
 594     }
 595
 596
 597     /**
 598      * Implements callback methods for service binding. Passed as a parameter to {
 599      */
 600     private class OperationsServiceConnection implements ServiceConnection {
 601
 602         @Override
 603         public void onServiceConnected(ComponentName component, IBinder service) {
 604             if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
 605                 Log_OC.d(TAG, "Operations service connected");
 606                 mOperationsServiceBinder = (OperationsServiceBinder) service;
 607                 /*if (!mOperationsServiceBinder.isPerformingBlockingOperation()) {
 608                     dismissLoadingDialog();
 609                 }*/
 610                 doOnResumeAndBound();
 611
 612             } else {
 613                 return;
 614             }
 615         }
 616
 617
 618         @Override
 619         public void onServiceDisconnected(ComponentName component) {
 620             if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
 621                 Log_OC.d(TAG, "Operations service disconnected");
 622                 mOperationsServiceBinder = null;
 623                 // TODO whatever could be waiting for the service is unbound
 624             }
 625         }
 626     }
 627
 628
 629     @Override
 630     public FileDownloaderBinder getFileDownloaderBinder() {
 631         return mDownloaderBinder;
 632     }
 633
 634
 635     @Override
 636     public FileUploaderBinder getFileUploaderBinder() {
 637         return mUploaderBinder;
 638     }
 639
 640
 641 }