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     protected boolean mAccountWasSet;
 102
 103     /** Flag to signal when the value of mAccount was restored from a saved state */
 104     protected 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     protected 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     protected void setAccount(Account account) {
 345         mAccount = account;
 346     }
 347
 348     /**
 349      * @return Value of mFromNotification: True if the Activity is launched by a notification
 350      */
 351     public boolean fromNotification() {
 352         return mFromNotification;
 353     }
 354
 355     /**
 356      * @return  'True' when the Activity is finishing to enforce the setup of a new account.
 357      */
 358     protected boolean isRedirectingToSetupAccount() {
 359         return mRedirectingToSetupAccount;
 360     }
 361
 362     public boolean isTryShareAgain(){
 363         return mTryShareAgain;
 364     }
 365
 366     public void setTryShareAgain(boolean tryShareAgain) {
 367        mTryShareAgain = tryShareAgain;
 368     }
 369
 370     public OperationsServiceBinder getOperationsServiceBinder() {
 371         return mOperationsServiceBinder;
 372     }
 373
 374     protected ServiceConnection newTransferenceServiceConnection() {
 375         return null;
 376     }
 377
 378     /**
 379      * Helper class handling a callback from the {@link AccountManager} after the creation of
 380      * a new ownCloud {@link Account} finished, successfully or not.
 381      *
 382      * At this moment, only called after the creation of the first account.
 383      */
 384     public class AccountCreationCallback implements AccountManagerCallback<Bundle> {
 385
 386         @Override
 387         public void run(AccountManagerFuture<Bundle> future) {
 388             FileActivity.this.mRedirectingToSetupAccount = false;
 389             boolean accountWasSet = false;
 390             if (future != null) {
 391                 try {
 392                     Bundle result;
 393                     result = future.getResult();
 394                     String name = result.getString(AccountManager.KEY_ACCOUNT_NAME);
 395                     String type = result.getString(AccountManager.KEY_ACCOUNT_TYPE);
 396                     if (AccountUtils.setCurrentOwnCloudAccount(getApplicationContext(), name)) {
 397                         setAccount(new Account(name, type), false);
 398                         accountWasSet = true;
 399                     }
 400                 } catch (OperationCanceledException e) {
 401                     Log_OC.d(TAG, "Account creation canceled");
 402
 403                 } catch (Exception e) {
 404                     Log_OC.e(TAG, "Account creation finished in exception: ", e);
 405                 }
 406
 407             } else {
 408                 Log_OC.e(TAG, "Account creation callback with null bundle");
 409             }
 410             if (!accountWasSet) {
 411                 moveTaskToBack(true);
 412             }
 413         }
 414
 415     }
 416
 417
 418     /**
 419      *  Called when the ownCloud {@link Account} associated to the Activity was just updated.
 420      *
 421      *  Child classes must grant that state depending on the {@link Account} is updated.
 422      */
 423     protected void onAccountSet(boolean stateWasRecovered) {
 424         if (getAccount() != null) {
 425             mStorageManager = new FileDataStorageManager(getAccount(), getContentResolver());
 426
 427         } else {
 428             Log_OC.wtf(TAG, "onAccountChanged was called with NULL account associated!");
 429         }
 430     }
 431
 432
 433     public FileDataStorageManager getStorageManager() {
 434         return mStorageManager;
 435     }
 436
 437
 438     public OnRemoteOperationListener getRemoteOperationListener() {
 439         return this;
 440     }
 441
 442
 443     public Handler getHandler() {
 444         return mHandler;
 445     }
 446
 447     public FileOperationsHelper getFileOperationsHelper() {
 448         return mFileOperationsHelper;
 449     }
 450
 451     /**
 452      *
 453      * @param operation     Removal operation performed.
 454      * @param result        Result of the removal.
 455      */
 456     @Override
 457     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 458         Log_OC.d(TAG, "Received result of operation in FileActivity - common behaviour for all the FileActivities ");
 459
 460         mFileOperationsHelper.setOpIdWaitingFor(Long.MAX_VALUE);
 461
 462         if (!result.isSuccess() && (
 463                 result.getCode() == ResultCode.UNAUTHORIZED ||
 464                 result.isIdPRedirection() ||
 465                 (result.isException() && result.getException() instanceof AuthenticatorException)
 466                 )) {
 467
 468             requestCredentialsUpdate();
 469
 470             if (result.getCode() == ResultCode.UNAUTHORIZED) {
 471                 dismissLoadingDialog();
 472                 Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result,
 473                                 operation, getResources()),
 474                         Toast.LENGTH_LONG);
 475                 t.show();
 476             }
 477             mTryShareAgain = false;
 478
 479         } else if (operation instanceof CreateShareOperation) {
 480             onCreateShareOperationFinish((CreateShareOperation) operation, result);
 481
 482         } else if (operation instanceof UnshareLinkOperation) {
 483             onUnshareLinkOperationFinish((UnshareLinkOperation)operation, result);
 484
 485         } else if (operation instanceof SynchronizeFolderOperation) {
 486             onSynchronizeFolderOperationFinish((SynchronizeFolderOperation)operation, result);
 487
 488         }
 489     }
 490
 491     protected void requestCredentialsUpdate() {
 492         Intent updateAccountCredentials = new Intent(this, AuthenticatorActivity.class);
 493         updateAccountCredentials.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, getAccount());
 494         updateAccountCredentials.putExtra(
 495                 AuthenticatorActivity.EXTRA_ACTION,
 496                 AuthenticatorActivity.ACTION_UPDATE_EXPIRED_TOKEN);
 497         updateAccountCredentials.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
 498         startActivity(updateAccountCredentials);
 499     }
 500
 501
 502     private void onCreateShareOperationFinish(CreateShareOperation operation,
 503                                               RemoteOperationResult result) {
 504         dismissLoadingDialog();
 505         if (result.isSuccess()) {
 506             mTryShareAgain = false;
 507             updateFileFromDB();
 508
 509             Intent sendIntent = operation.getSendIntent();
 510             startActivity(sendIntent);
 511         } else {
 512             // Detect Failure (403) --> needs Password
 513             if (result.getCode() == ResultCode.SHARE_FORBIDDEN) {
 514                 if (!isTryShareAgain()) {
 515                     SharePasswordDialogFragment dialog =
 516                             SharePasswordDialogFragment.newInstance(new OCFile(operation.getPath()),
 517                                     operation.getSendIntent());
 518                     dialog.show(getSupportFragmentManager(), DIALOG_SHARE_PASSWORD);
 519                 } else {
 520                     Toast t = Toast.makeText(this,
 521                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 522                         Toast.LENGTH_LONG);
 523                     t.show();
 524                     mTryShareAgain = false;
 525                 }
 526             } else {
 527                 Toast t = Toast.makeText(this,
 528                         ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 529                         Toast.LENGTH_LONG);
 530                 t.show();
 531             }
 532         }
 533     }
 534
 535
 536     private void onUnshareLinkOperationFinish(UnshareLinkOperation operation, RemoteOperationResult result) {
 537         dismissLoadingDialog();
 538
 539         if (result.isSuccess()){
 540             updateFileFromDB();
 541
 542         } else {
 543             Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 544                     Toast.LENGTH_LONG);
 545             t.show();
 546         }
 547     }
 548
 549     private void onSynchronizeFolderOperationFinish(SynchronizeFolderOperation operation, RemoteOperationResult result) {
 550         if (!result.isSuccess() && result.getCode() != ResultCode.CANCELLED){
 551             Toast t = Toast.makeText(this, ErrorMessageAdapter.getErrorCauseMessage(result, operation, getResources()),
 552                     Toast.LENGTH_LONG);
 553             t.show();
 554         }
 555     }
 556
 557     protected void updateFileFromDB(){
 558         OCFile file = getFile();
 559         if (file != null) {
 560             file = getStorageManager().getFileByPath(file.getRemotePath());
 561             setFile(file);
 562         }
 563     }
 564
 565     /**
 566      * Show loading dialog
 567      */
 568     public void showLoadingDialog() {
 569         // Construct dialog
 570         LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
 571         FragmentManager fm = getSupportFragmentManager();
 572         FragmentTransaction ft = fm.beginTransaction();
 573         loading.show(ft, DIALOG_WAIT_TAG);
 574
 575     }
 576
 577
 578     /**
 579      * Dismiss loading dialog
 580      */
 581     public void dismissLoadingDialog(){
 582         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
 583         if (frag != null) {
 584             LoadingDialog loading = (LoadingDialog) frag;
 585             loading.dismiss();
 586         }
 587     }
 588
 589
 590     private void doOnResumeAndBound() {
 591         mOperationsServiceBinder.addOperationListener(FileActivity.this, mHandler);
 592         long waitingForOpId = mFileOperationsHelper.getOpIdWaitingFor();
 593         if (waitingForOpId <= Integer.MAX_VALUE) {
 594             boolean wait = mOperationsServiceBinder.dispatchResultIfFinished((int)waitingForOpId, this);
 595             if (!wait ) {
 596                 dismissLoadingDialog();
 597             }
 598         }
 599     }
 600
 601
 602     /**
 603      * Implements callback methods for service binding. Passed as a parameter to {
 604      */
 605     private class OperationsServiceConnection implements ServiceConnection {
 606
 607         @Override
 608         public void onServiceConnected(ComponentName component, IBinder service) {
 609             if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
 610                 Log_OC.d(TAG, "Operations service connected");
 611                 mOperationsServiceBinder = (OperationsServiceBinder) service;
 612                 /*if (!mOperationsServiceBinder.isPerformingBlockingOperation()) {
 613                     dismissLoadingDialog();
 614                 }*/
 615                 doOnResumeAndBound();
 616
 617             } else {
 618                 return;
 619             }
 620         }
 621
 622
 623         @Override
 624         public void onServiceDisconnected(ComponentName component) {
 625             if (component.equals(new ComponentName(FileActivity.this, OperationsService.class))) {
 626                 Log_OC.d(TAG, "Operations service disconnected");
 627                 mOperationsServiceBinder = null;
 628                 // TODO whatever could be waiting for the service is unbound
 629             }
 630         }
 631     }
 632
 633
 634     @Override
 635     public FileDownloaderBinder getFileDownloaderBinder() {
 636         return mDownloaderBinder;
 637     }
 638
 639
 640     @Override
 641     public FileUploaderBinder getFileUploaderBinder() {
 642         return mUploaderBinder;
 643     }
 644
 645
 646 }