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