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