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