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.MoveFileOperation;
  46 import com.owncloud.android.operations.OAuth2GetAccessToken;
  47 import com.owncloud.android.operations.RemoveFileOperation;
  48 import com.owncloud.android.operations.RenameFileOperation;
  49 import com.owncloud.android.operations.SynchronizeFileOperation;
  50 import com.owncloud.android.operations.UnshareLinkOperation;
  51 import com.owncloud.android.utils.Log_OC;
  52
  53 import android.accounts.Account;
  54 import android.accounts.AccountsException;
  55 import android.accounts.AuthenticatorException;
  56 import android.accounts.OperationCanceledException;
  57 import android.app.Service;
  58 import android.content.Intent;
  59 import android.net.Uri;
  60 import android.os.Binder;
  61 import android.os.Handler;
  62 import android.os.HandlerThread;
  63 import android.os.IBinder;
  64 import android.os.Looper;
  65 import android.os.Message;
  66 import android.os.Process;
  67 import android.util.Pair;
  68
  69 public class OperationsService extends Service {
  70
  71     private static final String TAG = OperationsService.class.getSimpleName();
  72
  73     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  74     public static final String EXTRA_SERVER_URL = "SERVER_URL";
  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     public static final String EXTRA_NEW_PARENT_PATH = "NEW_PARENT_PATH";
  84
  85     // TODO review if ALL OF THEM are necessary
  86     public static final String EXTRA_SUCCESS_IF_ABSENT = "SUCCESS_IF_ABSENT";
  87     public static final String EXTRA_USERNAME = "USERNAME";
  88     public static final String EXTRA_PASSWORD = "PASSWORD";
  89     public static final String EXTRA_AUTH_TOKEN = "AUTH_TOKEN";
  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     public static final String ACTION_MOVE_FILE = "MOVE_FILE";
 103
 104     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() + ".OPERATION_ADDED";
 105     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() + ".OPERATION_FINISHED";
 106
 107     private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 108             new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 109
 110     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 111         mUndispatchedFinishedOperations =
 112             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 113
 114     private static class Target {
 115         public Uri mServerUrl = null;
 116         public Account mAccount = null;
 117         public String mUsername = null;
 118         public String mPassword = null;
 119         public String mAuthToken = null;
 120         public String mCookie = null;
 121
 122         public Target(Account account, Uri serverUrl, String username, String password, String authToken,
 123                 String cookie) {
 124             mAccount = account;
 125             mServerUrl = serverUrl;
 126             mUsername = username;
 127             mPassword = password;
 128             mAuthToken = authToken;
 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             OwnCloudClientManagerFactory.getDefaultSingleton().
 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                     String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 308                     target = new Target(
 309                             account,
 310                             (serverUrl == null) ? null : Uri.parse(serverUrl),
 311                             username,
 312                             password,
 313                             authToken,
 314                             cookie
 315                     );
 316
 317                     String action = operationIntent.getAction();
 318                     if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 319                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 320                         Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 321                         if (remotePath.length() > 0) {
 322                             operation = new CreateShareOperation(remotePath, ShareType.PUBLIC_LINK,
 323                                     "", false, "", 1, sendIntent);
 324                         }
 325
 326                     } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 327                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 328                         if (remotePath.length() > 0) {
 329                             operation = new UnshareLinkOperation(
 330                                     remotePath,
 331                                     OperationsService.this);
 332                         }
 333
 334                     } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 335                         // check OC server and get basic information from it
 336                         operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
 337
 338                     } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 339                         /// GET ACCESS TOKEN to the OAuth server
 340                         String oauth2QueryParameters =
 341                                 operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 342                         operation = new OAuth2GetAccessToken(
 343                                 getString(R.string.oauth2_client_id),
 344                                 getString(R.string.oauth2_redirect_uri),
 345                                 getString(R.string.oauth2_grant_type),
 346                                 oauth2QueryParameters);
 347
 348                     } else if (action.equals(ACTION_EXISTENCE_CHECK)) {
 349                         // Existence Check
 350                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 351                         boolean successIfAbsent = operationIntent.getBooleanExtra(EXTRA_SUCCESS_IF_ABSENT, false);
 352                         operation = new ExistenceCheckRemoteOperation(remotePath, OperationsService.this, successIfAbsent);
 353
 354                     } else if (action.equals(ACTION_GET_USER_NAME)) {
 355                         // Get User Name
 356                         operation = new GetRemoteUserNameOperation();
 357
 358                     } else if (action.equals(ACTION_RENAME)) {
 359                         // Rename file or folder
 360                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 361                         String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 362                         operation = new RenameFileOperation(remotePath, account, newName);
 363
 364                     } else if (action.equals(ACTION_REMOVE)) {
 365                         // Remove file or folder
 366                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 367                         boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL, false);
 368                         operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 369
 370                     } else if (action.equals(ACTION_CREATE_FOLDER)) {
 371                         // Create Folder
 372                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 373                         boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH, true);
 374                         operation = new CreateFolderOperation(remotePath, createFullPath);
 375
 376                     } else if (action.equals(ACTION_SYNC_FILE)) {
 377                         // Sync file
 378                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 379                         boolean syncFileContents = operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 380                         operation = new SynchronizeFileOperation(remotePath, account, syncFileContents, getApplicationContext());
 381                     } else if (action.equals(ACTION_MOVE_FILE)) {
 382                         // Move file/folder
 383                         String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 384                         String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 385                         operation = new MoveFileOperation(remotePath,newParentPath,account);
 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 = OwnCloudClientManagerFactory.getDefaultSingleton().
 475                                 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                                 mLastTarget.mUsername.length() > 0) {
 484                             credentials = OwnCloudCredentialsFactory.newBasicCredentials(
 485                                     mLastTarget.mUsername,
 486                                     mLastTarget.mPassword);  // basic
 487
 488                         } else if (mLastTarget.mAuthToken != null &&
 489                                 mLastTarget.mAuthToken.length() > 0) {
 490                             credentials = OwnCloudCredentialsFactory.newBearerCredentials(
 491                                     mLastTarget.mAuthToken);  // bearer token
 492
 493                         } else if (mLastTarget.mCookie != null &&
 494                                 mLastTarget.mCookie.length() > 0) {
 495                             credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 496                                     mLastTarget.mCookie); // SAML SSO
 497                         }
 498                         OwnCloudAccount ocAccount = new OwnCloudAccount(
 499                                 mLastTarget.mServerUrl, credentials);
 500                         mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 501                                 getClientFor(ocAccount, this);
 502                         mStorageManager = null;
 503                     }
 504                 }
 505
 506                 /// perform the operation
 507                 if (mCurrentOperation instanceof SyncOperation) {
 508                     result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
 509                 } else {
 510                     result = mCurrentOperation.execute(mOwnCloudClient);
 511                 }
 512
 513             } catch (AccountsException e) {
 514                 if (mLastTarget.mAccount == null) {
 515                     Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 516                 } else {
 517                     Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 518                 }
 519                 result = new RemoteOperationResult(e);
 520
 521             } catch (IOException e) {
 522                 if (mLastTarget.mAccount == null) {
 523                     Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 524                 } else {
 525                     Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 526                 }
 527                 result = new RemoteOperationResult(e);
 528             } catch (Exception e) {
 529                 if (mLastTarget.mAccount == null) {
 530                     Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 531                 } else {
 532                     Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 533                 }
 534                 result = new RemoteOperationResult(e);
 535
 536             } finally {
 537                 synchronized(mPendingOperations) {
 538                     mPendingOperations.poll();
 539                 }
 540             }
 541
 542             //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 543             dispatchResultToOperationListeners(mLastTarget, mCurrentOperation, result);
 544         }
 545     }
 546
 547
 548     /**
 549      * Sends a broadcast when a new operation is added to the queue.
 550      *
 551      * Local broadcasts are only delivered to activities in the same process, but can't be done sticky :\
 552      *
 553      * @param target            Account or URL pointing to an OC server.
 554      * @param operation         Added operation.
 555      */
 556     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 557         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 558         if (target.mAccount != null) {
 559             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 560         } else {
 561             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 562         }
 563         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 564         //lbm.sendBroadcast(intent);
 565         sendStickyBroadcast(intent);
 566     }
 567
 568
 569     // TODO - maybe add a notification for real start of operations
 570
 571     /**
 572      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities can update their view
 573      *
 574      * Local broadcasts are only delivered to activities in the same process.
 575      *
 576      * @param target            Account or URL pointing to an OC server.
 577      * @param operation         Finished operation.
 578      * @param result            Result of the operation.
 579      */
 580     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation, RemoteOperationResult result) {
 581         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 582         intent.putExtra(EXTRA_RESULT, result);
 583         if (target.mAccount != null) {
 584             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 585         } else {
 586             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 587         }
 588         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 589         //lbm.sendBroadcast(intent);
 590         sendStickyBroadcast(intent);
 591     }
 592
 593
 594     /**
 595      * Notifies the currently subscribed listeners about the end of an operation.
 596      *
 597      * @param target            Account or URL pointing to an OC server.
 598      * @param operation         Finished operation.
 599      * @param result            Result of the operation.
 600      */
 601     private void dispatchResultToOperationListeners(
 602             Target target, final RemoteOperation operation, final RemoteOperationResult result) {
 603         int count = 0;
 604         Iterator<OnRemoteOperationListener> listeners = mBinder.mBoundListeners.keySet().iterator();
 605         while (listeners.hasNext()) {
 606             final OnRemoteOperationListener listener = listeners.next();
 607             final Handler handler = mBinder.mBoundListeners.get(listener);
 608             if (handler != null) {
 609                 handler.post(new Runnable() {
 610                     @Override
 611                     public void run() {
 612                         listener.onRemoteOperationFinish(operation, result);
 613                     }
 614                 });
 615                 count += 1;
 616             }
 617         }
 618         if (count == 0) {
 619             //mOperationResults.put(operation.hashCode(), result);
 620             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 621                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 622             mUndispatchedFinishedOperations.put(operation.hashCode(), undispatched);
 623         }
 624         Log_OC.d(TAG, "Called " + count + " listeners");
 625     }
 626
 627
 628 }