src/com/owncloud/android/services/OperationsService.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2014 ownCloud Inc.
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.services;
  19
  20 import java.io.IOException;
  21 import java.util.Iterator;
  22 import java.util.concurrent.ConcurrentHashMap;
  23 import java.util.concurrent.ConcurrentLinkedQueue;
  24 import java.util.concurrent.ConcurrentMap;
  25
  26 import com.owncloud.android.MainApp;
  27 import com.owncloud.android.R;
  28 import com.owncloud.android.datamodel.FileDataStorageManager;
  29 import com.owncloud.android.lib.common.OwnCloudClient;
  30 import com.owncloud.android.lib.common.OwnCloudCredentials;
  31 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  32 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  33 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  34 import com.owncloud.android.lib.common.operations.RemoteOperation;
  35 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  36 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  37 import com.owncloud.android.lib.resources.shares.ShareType;
  38 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  39 import com.owncloud.android.operations.common.SyncOperation;
  40 import com.owncloud.android.operations.CreateFolderOperation;
  41 import com.owncloud.android.operations.CreateShareOperation;
  42 import com.owncloud.android.operations.GetServerInfoOperation;
  43 import com.owncloud.android.operations.OAuth2GetAccessToken;
  44 import com.owncloud.android.operations.RemoveFileOperation;
  45 import com.owncloud.android.operations.RenameFileOperation;
  46 import com.owncloud.android.operations.SynchronizeFileOperation;
  47 import com.owncloud.android.operations.UnshareLinkOperation;
  48 import com.owncloud.android.utils.Log_OC;
  49
  50 import android.accounts.Account;
  51 import android.accounts.AccountsException;
  52 import android.accounts.AuthenticatorException;
  53 import android.accounts.OperationCanceledException;
  54 import android.app.Service;
  55 import android.content.Intent;
  56 import android.net.Uri;
  57 import android.os.Binder;
  58 import android.os.Handler;
  59 import android.os.HandlerThread;
  60 import android.os.IBinder;
  61 import android.os.Looper;
  62 import android.os.Message;
  63 import android.os.Process;
  64 import android.util.Pair;
  65
  66 public class OperationsService extends Service {
  67
  68     private static final String TAG = OperationsService.class.getSimpleName();
  69
  70     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  71     public static final String EXTRA_SERVER_URL = "SERVER_URL";
  72     public static final String EXTRA_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
  73     public static final String EXTRA_OAUTH2_QUERY_PARAMETERS = "OAUTH2_QUERY_PARAMETERS";
  74     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  75     public static final String EXTRA_SEND_INTENT = "SEND_INTENT";
  76     public static final String EXTRA_NEWNAME = "NEWNAME";
  77     public static final String EXTRA_REMOVE_ONLY_LOCAL = "REMOVE_LOCAL_COPY";
  78     public static final String EXTRA_CREATE_FULL_PATH = "CREATE_FULL_PATH";
  79     public static final String EXTRA_SYNC_FILE_CONTENTS = "SYNC_FILE_CONTENTS";
  80     public static final String EXTRA_RESULT = "RESULT";
  81
  82     // TODO review if ALL OF THEM are necessary
  83     public static final String EXTRA_SUCCESS_IF_ABSENT = "SUCCESS_IF_ABSENT";
  84     public static final String EXTRA_USERNAME = "USERNAME";
  85     public static final String EXTRA_PASSWORD = "PASSWORD";
  86     public static final String EXTRA_AUTH_TOKEN = "AUTH_TOKEN";
  87     public static final String EXTRA_FOLLOW_REDIRECTS = "FOLLOW_REDIRECTS";
  88     public static final String EXTRA_COOKIE = "COOKIE";
  89
  90     public static final String ACTION_CREATE_SHARE = "CREATE_SHARE";
  91     public static final String ACTION_UNSHARE = "UNSHARE";
  92     public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
  93     public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
  94     public static final String ACTION_EXISTENCE_CHECK = "EXISTENCE_CHECK";
  95     public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
  96     public static final String ACTION_RENAME = "RENAME";
  97     public static final String ACTION_REMOVE = "REMOVE";
  98     public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
  99     public static final String ACTION_SYNC_FILE = "SYNC_FILE";
 100
 101     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() + ".OPERATION_ADDED";
 102     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() + ".OPERATION_FINISHED";
 103
 104     private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 105             new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 106
 107     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 108         mUndispatchedFinishedOperations =
 109             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 110
 111     private static class Target {
 112         public Uri mServerUrl = null;
 113         public Account mAccount = null;
 114         public String mUsername = null;
 115         public String mPassword = null;
 116         public String mAuthToken = null;
 117         public boolean mFollowRedirects = true;
 118         public String mCookie = null;
 119
 120         public Target(Account account, Uri serverUrl, String username, String password, String authToken,
 121                 boolean followRedirects, String cookie) {
 122             mAccount = account;
 123             mServerUrl = serverUrl;
 124             mUsername = username;
 125             mPassword = password;
 126             mAuthToken = authToken;
 127             mFollowRedirects = followRedirects;
 128             mCookie = cookie;
 129         }
 130     }
 131
 132     private Looper mServiceLooper;
 133     private ServiceHandler mServiceHandler;
 134     private OperationsServiceBinder mBinder;
 135     private OwnCloudClient mOwnCloudClient = null;
 136     private Target mLastTarget = null;
 137     private FileDataStorageManager mStorageManager;
 138     private RemoteOperation mCurrentOperation = null;
 139
 140
 141     /**
 142      * Service initialization
 143      */
 144     @Override
 145     public void onCreate() {
 146         super.onCreate();
 147         HandlerThread thread = new HandlerThread("Operations service thread", Process.THREAD_PRIORITY_BACKGROUND);
 148         thread.start();
 149         mServiceLooper = thread.getLooper();
 150         mServiceHandler = new ServiceHandler(mServiceLooper, this);
 151         mBinder = new OperationsServiceBinder();
 152     }
 153
 154
 155     /**
 156      * Entry point to add a new operation to the queue of operations.
 157      *
 158      * New operations are added calling to startService(), resulting in a call to this method.
 159      * This ensures the service will keep on working although the caller activity goes away.
 160      *
 161      * IMPORTANT: the only operations performed here right now is {@link GetSharedFilesOperation}. The class
 162      * is taking advantage of it due to time constraints.
 163      */
 164     @Override
 165     public int onStartCommand(Intent intent, int flags, int startId) {
 166         //Log_OC.wtf(TAG, "onStartCommand init" );
 167         Message msg = mServiceHandler.obtainMessage();
 168         msg.arg1 = startId;
 169         mServiceHandler.sendMessage(msg);
 170         //Log_OC.wtf(TAG, "onStartCommand end" );
 171         return START_NOT_STICKY;
 172     }
 173
 174     @Override
 175     public void onDestroy() {
 176         //Log_OC.wtf(TAG, "onDestroy init" );
 177         // Saving cookies
 178         try {
 179             ((MainApp)getApplicationContext()).getOwnCloudClientManager().
 180                 saveAllClients(this, MainApp.getAccountType());
 181
 182             // TODO - get rid of these exceptions
 183         } catch (AccountNotFoundException e) {
 184             e.printStackTrace();
 185         } catch (AuthenticatorException e) {
 186             e.printStackTrace();
 187         } catch (OperationCanceledException e) {
 188             e.printStackTrace();
 189         } catch (IOException e) {
 190             e.printStackTrace();
 191         }
 192
 193         //Log_OC.wtf(TAG, "Clear mUndispatchedFinisiedOperations" );
 194         mUndispatchedFinishedOperations.clear();
 195
 196         //Log_OC.wtf(TAG, "onDestroy end" );
 197         super.onDestroy();
 198     }
 199
 200
 201     /**
 202      * Provides a binder object that clients can use to perform actions on the queue of operations,
 203      * except the addition of new operations.
 204      */
 205     @Override
 206     public IBinder onBind(Intent intent) {
 207         //Log_OC.wtf(TAG, "onBind" );
 208         return mBinder;
 209     }
 210
 211
 212     /**
 213      * Called when ALL the bound clients were unbound.
 214      */
 215     @Override
 216     public boolean onUnbind(Intent intent) {
 217         ((OperationsServiceBinder)mBinder).clearListeners();
 218         return false;   // not accepting rebinding (default behaviour)
 219     }
 220
 221
 222     /**
 223      *  Binder to let client components to perform actions on the queue of operations.
 224      *
 225      *  It provides by itself the available operations.
 226      */
 227     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 228
 229         /**
 230          * Map of listeners that will be reported about the end of operations from a {@link OperationsServiceBinder} instance
 231          */
 232         private ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 233                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 234
 235         /**
 236          * Cancels an operation
 237          *
 238          * TODO
 239          */
 240         public void cancel() {
 241             // TODO
 242         }
 243
 244
 245         public void clearListeners() {
 246
 247             mBoundListeners.clear();
 248         }
 249
 250
 251         /**
 252          * Adds a listener interested in being reported about the end of operations.
 253          *
 254          * @param listener          Object to notify about the end of operations.
 255          * @param callbackHandler   {@link Handler} to access the listener without breaking Android threading protection.
 256          */
 257         public void addOperationListener (OnRemoteOperationListener listener, Handler callbackHandler) {
 258             synchronized (mBoundListeners) {
 259                 mBoundListeners.put(listener, callbackHandler);
 260             }
 261         }
 262
 263
 264         /**
 265          * Removes a listener from the list of objects interested in the being reported about the end of operations.
 266          *
 267          * @param listener      Object to notify about progress of transfer.
 268          */
 269         public void removeOperationListener (OnRemoteOperationListener listener) {
 270             synchronized (mBoundListeners) {
 271                 mBoundListeners.remove(listener);
 272             }
 273         }
 274
 275
 276         /**
 277          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 278          *
 279          * @return  'True' when an operation that enforces the user to wait for completion is in process.
 280          */
 281         public boolean isPerformingBlockingOperation() {
 282             return (!mPendingOperations.isEmpty());
 283         }
 284
 285
 286         /**
 287          * Creates and adds to the queue a new operation, as described by operationIntent
 288          *
 289          * @param operationIntent       Intent describing a new operation to queue and execute.
 290          * @return                      Identifier of the operation created, or null if failed.
 291          */
 292         public long newOperation(Intent operationIntent) {
 293             RemoteOperation operation = null;
 294             Target target = null;
 295             try {
 296                 if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 297                         !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 298                     Log_OC.e(TAG, "Not enough information provided in intent");
 299
 300                 } else {
 301                     Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 302                     String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 303                     String username = operationIntent.getStringExtra(EXTRA_USERNAME);
 304                     String password = operationIntent.getStringExtra(EXTRA_PASSWORD);
 305                     String authToken = operationIntent.getStringExtra(EXTRA_AUTH_TOKEN);
 306                     boolean followRedirects = operationIntent.getBooleanExtra(EXTRA_FOLLOW_REDIRECTS, true);
 307                     String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 308                     target = new Target(
 309                             account,
 310                             (serverUrl == null) ? null : Uri.parse(serverUrl),
 311                             username,
 312                             password,
 313                             authToken,
 314                             followRedirects,
 315                             cookie
 316                     );
 317
 318                     String action = operationIntent.getAction();
 319                     if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 320                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 321                         Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 322                         if (remotePath.length() > 0) {
 323                             operation = new CreateShareOperation(remotePath, ShareType.PUBLIC_LINK,
 324                                     "", false, "", 1, sendIntent);
 325                         }
 326
 327                     } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 328                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 329                         if (remotePath.length() > 0) {
 330                             operation = new UnshareLinkOperation(
 331                                     remotePath,
 332                                     OperationsService.this);
 333                         }
 334
 335                     } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 336                         // check OC server and get basic information from it
 337                         String authTokenType =
 338                                 operationIntent.getStringExtra(EXTRA_AUTH_TOKEN_TYPE);
 339                         operation = new GetServerInfoOperation(
 340                                 serverUrl, authTokenType, OperationsService.this);
 341
 342                     } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 343                         /// GET ACCESS TOKEN to the OAuth server
 344                         String oauth2QueryParameters =
 345                                 operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 346                         operation = new OAuth2GetAccessToken(
 347                                 getString(R.string.oauth2_client_id),
 348                                 getString(R.string.oauth2_redirect_uri),
 349                                 getString(R.string.oauth2_grant_type),
 350                                 oauth2QueryParameters);
 351
 352                     } else if (action.equals(ACTION_EXISTENCE_CHECK)) {
 353                         // Existence Check
 354                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 355                         boolean successIfAbsent = operationIntent.getBooleanExtra(EXTRA_SUCCESS_IF_ABSENT, true);
 356                         operation = new ExistenceCheckRemoteOperation(remotePath, OperationsService.this, successIfAbsent);
 357
 358                     } else if (action.equals(ACTION_GET_USER_NAME)) {
 359                         // Get User Name
 360                         operation = new GetRemoteUserNameOperation();
 361
 362                     } else if (action.equals(ACTION_RENAME)) {
 363                         // Rename file or folder
 364                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 365                         String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 366                         operation = new RenameFileOperation(remotePath, account, newName);
 367
 368                     } else if (action.equals(ACTION_REMOVE)) {
 369                         // Remove file or folder
 370                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 371                         boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL, false);
 372                         operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 373
 374                     } else if (action.equals(ACTION_CREATE_FOLDER)) {
 375                         // Create Folder
 376                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 377                         boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH, true);
 378                         operation = new CreateFolderOperation(remotePath, createFullPath);
 379
 380                     } else if (action.equals(ACTION_SYNC_FILE)) {
 381                         // Sync file
 382                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 383                         boolean syncFileContents = operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 384                         operation = new SynchronizeFileOperation(remotePath, account, syncFileContents, getApplicationContext());
 385                     }
 386
 387                 }
 388
 389             } catch (IllegalArgumentException e) {
 390                 Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 391                 operation = null;
 392             }
 393
 394             if (operation != null) {
 395                 mPendingOperations.add(new Pair<Target , RemoteOperation>(target, operation));
 396                 startService(new Intent(OperationsService.this, OperationsService.class));
 397                 //Log_OC.wtf(TAG, "New operation added, opId: " + operation.hashCode());
 398                 // better id than hash? ; should be good enough by the time being
 399                 return operation.hashCode();
 400
 401             } else {
 402                 //Log_OC.wtf(TAG, "New operation failed, returned Long.MAX_VALUE");
 403                 return Long.MAX_VALUE;
 404             }
 405         }
 406
 407         public boolean dispatchResultIfFinished(int operationId, OnRemoteOperationListener listener) {
 408             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 409                     mUndispatchedFinishedOperations.remove(operationId);
 410             if (undispatched != null) {
 411                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 412                 return true;
 413                 //Log_OC.wtf(TAG, "Sending callback later");
 414             } else {
 415                 if (!mPendingOperations.isEmpty()) {
 416                     return true;
 417                 } else {
 418                     return false;
 419                 }
 420                 //Log_OC.wtf(TAG, "Not finished yet");
 421             }
 422         }
 423
 424     }
 425
 426
 427     /**
 428      * Operations worker. Performs the pending operations in the order they were requested.
 429      *
 430      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 431      */
 432     private static class ServiceHandler extends Handler {
 433         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 434         OperationsService mService;
 435         public ServiceHandler(Looper looper, OperationsService service) {
 436             super(looper);
 437             if (service == null) {
 438                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 439             }
 440             mService = service;
 441         }
 442
 443         @Override
 444         public void handleMessage(Message msg) {
 445             mService.nextOperation();
 446             mService.stopSelf(msg.arg1);
 447         }
 448     }
 449
 450
 451     /**
 452      * Performs the next operation in the queue
 453      */
 454     private void nextOperation() {
 455
 456         //Log_OC.wtf(TAG, "nextOperation init" );
 457
 458         Pair<Target, RemoteOperation> next = null;
 459         synchronized(mPendingOperations) {
 460             next = mPendingOperations.peek();
 461         }
 462
 463         if (next != null) {
 464
 465             mCurrentOperation = next.second;
 466             RemoteOperationResult result = null;
 467             try {
 468                 /// prepare client object to send the request to the ownCloud server
 469                 if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 470                     mLastTarget = next.first;
 471                     if (mLastTarget.mAccount != null) {
 472                         mOwnCloudClient = ((MainApp)getApplicationContext()).
 473                                 getOwnCloudClientManager().getClientFor(
 474                                         mLastTarget.mAccount,
 475                                         this);
 476                         mStorageManager =
 477                                 new FileDataStorageManager(
 478                                         mLastTarget.mAccount,
 479                                         getContentResolver());
 480                     } else {
 481                         OwnCloudCredentials credentials = null;
 482                         if (mLastTarget.mUsername != null) {
 483                             credentials = OwnCloudCredentialsFactory.newBasicCredentials(
 484                                     mLastTarget.mUsername,
 485                                     mLastTarget.mPassword);  // basic
 486
 487                         } else if (mLastTarget.mAuthToken != null) {
 488                             credentials = OwnCloudCredentialsFactory.newBearerCredentials(
 489                                     mLastTarget.mAuthToken);  // bearer token
 490
 491                         } else if (mLastTarget.mCookie != null) {
 492                             credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 493                                     mLastTarget.mCookie); // SAML SSO
 494                         }
 495
 496                         mOwnCloudClient = ((MainApp)getApplicationContext()).
 497                                 getOwnCloudClientManager().getClientFor(
 498                                         mLastTarget.mServerUrl,
 499                                         credentials,    // still can be null, and that is right
 500                                         this);
 501                         mOwnCloudClient.setFollowRedirects(mLastTarget.mFollowRedirects);
 502                         mStorageManager = null;
 503                     }
 504                 }
 505
 506                 /// perform the operation
 507                 if (mCurrentOperation instanceof SyncOperation) {
 508                     result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
 509                 } else {
 510                     result = mCurrentOperation.execute(mOwnCloudClient);
 511                 }
 512
 513             } catch (AccountsException e) {
 514                 if (mLastTarget.mAccount == null) {
 515                     Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 516                 } else {
 517                     Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 518                 }
 519                 result = new RemoteOperationResult(e);
 520
 521             } catch (IOException e) {
 522                 if (mLastTarget.mAccount == null) {
 523                     Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 524                 } else {
 525                     Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 526                 }
 527                 result = new RemoteOperationResult(e);
 528             } catch (Exception e) {
 529                 if (mLastTarget.mAccount == null) {
 530                     Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 531                 } else {
 532                     Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 533                 }
 534                 result = new RemoteOperationResult(e);
 535
 536             } finally {
 537                 synchronized(mPendingOperations) {
 538                     mPendingOperations.poll();
 539                 }
 540             }
 541
 542             //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 543             dispatchResultToOperationListeners(mLastTarget, mCurrentOperation, result);
 544         }
 545     }
 546
 547
 548     /**
 549      * Sends a broadcast when a new operation is added to the queue.
 550      *
 551      * Local broadcasts are only delivered to activities in the same process, but can't be done sticky :\
 552      *
 553      * @param target            Account or URL pointing to an OC server.
 554      * @param operation         Added operation.
 555      */
 556     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 557         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 558         if (target.mAccount != null) {
 559             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 560         } else {
 561             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 562         }
 563         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 564         //lbm.sendBroadcast(intent);
 565         sendStickyBroadcast(intent);
 566     }
 567
 568
 569     // TODO - maybe add a notification for real start of operations
 570
 571     /**
 572      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities can update their view
 573      *
 574      * Local broadcasts are only delivered to activities in the same process.
 575      *
 576      * @param target            Account or URL pointing to an OC server.
 577      * @param operation         Finished operation.
 578      * @param result            Result of the operation.
 579      */
 580     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation, RemoteOperationResult result) {
 581         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 582         intent.putExtra(EXTRA_RESULT, result);
 583         if (target.mAccount != null) {
 584             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 585         } else {
 586             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 587         }
 588         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 589         //lbm.sendBroadcast(intent);
 590         sendStickyBroadcast(intent);
 591     }
 592
 593
 594     /**
 595      * Notifies the currently subscribed listeners about the end of an operation.
 596      *
 597      * @param target            Account or URL pointing to an OC server.
 598      * @param operation         Finished operation.
 599      * @param result            Result of the operation.
 600      */
 601     private void dispatchResultToOperationListeners(
 602             Target target, final RemoteOperation operation, final RemoteOperationResult result) {
 603         int count = 0;
 604         Iterator<OnRemoteOperationListener> listeners = mBinder.mBoundListeners.keySet().iterator();
 605         while (listeners.hasNext()) {
 606             final OnRemoteOperationListener listener = listeners.next();
 607             final Handler handler = mBinder.mBoundListeners.get(listener);
 608             if (handler != null) {
 609                 handler.post(new Runnable() {
 610                     @Override
 611                     public void run() {
 612                         listener.onRemoteOperationFinish(operation, result);
 613                     }
 614                 });
 615                 count += 1;
 616             }
 617         }
 618         if (count == 0) {
 619             //mOperationResults.put(operation.hashCode(), result);
 620             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 621                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 622             mUndispatchedFinishedOperations.put(operation.hashCode(), undispatched);
 623         }
 624         Log_OC.d(TAG, "Called " + count + " listeners");
 625     }
 626
 627
 628 }