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