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.common.utils.Log_OC;
  39 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  40 import com.owncloud.android.lib.resources.shares.ShareType;
  41 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  42 import com.owncloud.android.operations.common.SyncOperation;
  43 import com.owncloud.android.operations.CreateFolderOperation;
  44 import com.owncloud.android.operations.CreateShareOperation;
  45 import com.owncloud.android.operations.GetServerInfoOperation;
  46 import com.owncloud.android.operations.MoveFileOperation;
  47 import com.owncloud.android.operations.OAuth2GetAccessToken;
  48 import com.owncloud.android.operations.RemoveFileOperation;
  49 import com.owncloud.android.operations.RenameFileOperation;
  50 import com.owncloud.android.operations.SynchronizeFileOperation;
  51 import com.owncloud.android.operations.UnshareLinkOperation;
  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_SYNC_FOLDER = "SYNC_FOLDER";  // for the moment, just to download
 103     public static final String ACTION_MOVE_FILE = "MOVE_FILE";
 104
 105     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() + ".OPERATION_ADDED";
 106     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() + ".OPERATION_FINISHED";
 107
 108
 109     private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 110             new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 111
 112     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 113         mUndispatchedFinishedOperations =
 114             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 115
 116     private static class Target {
 117         public Uri mServerUrl = null;
 118         public Account mAccount = null;
 119         public String mUsername = null;
 120         public String mPassword = null;
 121         public String mAuthToken = null;
 122         public String mCookie = null;
 123
 124         public Target(Account account, Uri serverUrl, String username, String password, String authToken,
 125                 String cookie) {
 126             mAccount = account;
 127             mServerUrl = serverUrl;
 128             mUsername = username;
 129             mPassword = password;
 130             mAuthToken = authToken;
 131             mCookie = cookie;
 132         }
 133     }
 134
 135     private Looper mServiceLooper;
 136     private ServiceHandler mServiceHandler;
 137     private OperationsServiceBinder mBinder;
 138     private OwnCloudClient mOwnCloudClient = null;
 139     private Target mLastTarget = null;
 140     private FileDataStorageManager mStorageManager;
 141     private RemoteOperation mCurrentOperation = null;
 142
 143
 144     /**
 145      * Service initialization
 146      */
 147     @Override
 148     public void onCreate() {
 149         super.onCreate();
 150         HandlerThread thread = new HandlerThread("Operations service thread", Process.THREAD_PRIORITY_BACKGROUND);
 151         thread.start();
 152         mServiceLooper = thread.getLooper();
 153         mServiceHandler = new ServiceHandler(mServiceLooper, this);
 154         mBinder = new OperationsServiceBinder();
 155     }
 156
 157
 158     /**
 159      * Entry point to add a new operation to the queue of operations.
 160      *
 161      * New operations are added calling to startService(), resulting in a call to this method.
 162      * This ensures the service will keep on working although the caller activity goes away.
 163      */
 164     @Override
 165     public int onStartCommand(Intent intent, int flags, int startId) {
 166         if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
 167             // WIP: for the moment, only SYNC_FOLDER is expected here; the rest of the operations are requested through
 168             // the Binder
 169             Pair<Target, RemoteOperation> itemToQueue = newOperation(intent);
 170             if (itemToQueue != null) {
 171                 mPendingOperations.add(itemToQueue);
 172             }
 173         }
 174
 175         Message msg = mServiceHandler.obtainMessage();
 176         msg.arg1 = startId;
 177         mServiceHandler.sendMessage(msg);
 178         return START_NOT_STICKY;
 179     }
 180
 181     @Override
 182     public void onDestroy() {
 183         //Log_OC.wtf(TAG, "onDestroy init" );
 184         // Saving cookies
 185         try {
 186             OwnCloudClientManagerFactory.getDefaultSingleton().
 187                 saveAllClients(this, MainApp.getAccountType());
 188
 189             // TODO - get rid of these exceptions
 190         } catch (AccountNotFoundException e) {
 191             e.printStackTrace();
 192         } catch (AuthenticatorException e) {
 193             e.printStackTrace();
 194         } catch (OperationCanceledException e) {
 195             e.printStackTrace();
 196         } catch (IOException e) {
 197             e.printStackTrace();
 198         }
 199
 200         //Log_OC.wtf(TAG, "Clear mUndispatchedFinisiedOperations" );
 201         mUndispatchedFinishedOperations.clear();
 202
 203         //Log_OC.wtf(TAG, "onDestroy end" );
 204         super.onDestroy();
 205     }
 206
 207
 208     /**
 209      * Provides a binder object that clients can use to perform actions on the queue of operations,
 210      * except the addition of new operations.
 211      */
 212     @Override
 213     public IBinder onBind(Intent intent) {
 214         //Log_OC.wtf(TAG, "onBind" );
 215         return mBinder;
 216     }
 217
 218
 219     /**
 220      * Called when ALL the bound clients were unbound.
 221      */
 222     @Override
 223     public boolean onUnbind(Intent intent) {
 224         ((OperationsServiceBinder)mBinder).clearListeners();
 225         return false;   // not accepting rebinding (default behaviour)
 226     }
 227
 228
 229     /**
 230      *  Binder to let client components to perform actions on the queue of operations.
 231      *
 232      *  It provides by itself the available operations.
 233      */
 234     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 235
 236         /**
 237          * Map of listeners that will be reported about the end of operations from a {@link OperationsServiceBinder} instance
 238          */
 239         private ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 240                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 241
 242         /**
 243          * Cancels an operation
 244          *
 245          * TODO
 246          */
 247         public void cancel() {
 248             // TODO
 249         }
 250
 251
 252         public void clearListeners() {
 253
 254             mBoundListeners.clear();
 255         }
 256
 257
 258         /**
 259          * Adds a listener interested in being reported about the end of operations.
 260          *
 261          * @param listener          Object to notify about the end of operations.
 262          * @param callbackHandler   {@link Handler} to access the listener without breaking Android threading protection.
 263          */
 264         public void addOperationListener (OnRemoteOperationListener listener, Handler callbackHandler) {
 265             synchronized (mBoundListeners) {
 266                 mBoundListeners.put(listener, callbackHandler);
 267             }
 268         }
 269
 270
 271         /**
 272          * Removes a listener from the list of objects interested in the being reported about the end of operations.
 273          *
 274          * @param listener      Object to notify about progress of transfer.
 275          */
 276         public void removeOperationListener (OnRemoteOperationListener listener) {
 277             synchronized (mBoundListeners) {
 278                 mBoundListeners.remove(listener);
 279             }
 280         }
 281
 282
 283         /**
 284          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 285          *
 286          * @return  'True' when an operation that enforces the user to wait for completion is in process.
 287          */
 288         public boolean isPerformingBlockingOperation() {
 289             return (!mPendingOperations.isEmpty());
 290         }
 291
 292
 293         /**
 294          * Creates and adds to the queue a new operation, as described by operationIntent.
 295          *
 296          * Calls startService to make the operation is processed by the ServiceHandler.
 297          *
 298          * @param operationIntent       Intent describing a new operation to queue and execute.
 299          * @return                      Identifier of the operation created, or null if failed.
 300          */
 301         public long queueNewOperation(Intent operationIntent) {
 302             Pair<Target, RemoteOperation> itemToQueue = newOperation(operationIntent);
 303             if (itemToQueue != null) {
 304                 mPendingOperations.add(itemToQueue);
 305                 startService(new Intent(OperationsService.this, OperationsService.class));
 306                 return itemToQueue.second.hashCode();
 307
 308             } else {
 309                 return Long.MAX_VALUE;
 310             }
 311         }
 312
 313
 314         public boolean dispatchResultIfFinished(int operationId, OnRemoteOperationListener listener) {
 315             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 316                     mUndispatchedFinishedOperations.remove(operationId);
 317             if (undispatched != null) {
 318                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 319                 return true;
 320                 //Log_OC.wtf(TAG, "Sending callback later");
 321             } else {
 322                 if (!mPendingOperations.isEmpty()) {
 323                     return true;
 324                 } else {
 325                     return false;
 326                 }
 327                 //Log_OC.wtf(TAG, "Not finished yet");
 328             }
 329         }
 330
 331     }
 332
 333
 334     /**
 335      * Operations worker. Performs the pending operations in the order they were requested.
 336      *
 337      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 338      */
 339     private static class ServiceHandler extends Handler {
 340         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 341         OperationsService mService;
 342         public ServiceHandler(Looper looper, OperationsService service) {
 343             super(looper);
 344             if (service == null) {
 345                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 346             }
 347             mService = service;
 348         }
 349
 350         @Override
 351         public void handleMessage(Message msg) {
 352             mService.nextOperation();
 353             mService.stopSelf(msg.arg1);
 354         }
 355     }
 356
 357
 358     /**
 359      * Creates a new operation, as described by operationIntent.
 360      *
 361      * @param operationIntent       Intent describing a new operation to queue and execute.
 362      * @return                      Pair with the new operation object and the information about its target server.
 363      */
 364     private Pair<Target , RemoteOperation> newOperation(Intent operationIntent) {
 365         RemoteOperation operation = null;
 366         Target target = null;
 367         try {
 368             if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 369                     !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 370                 Log_OC.e(TAG, "Not enough information provided in intent");
 371
 372             } else {
 373                 Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 374                 String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 375                 String username = operationIntent.getStringExtra(EXTRA_USERNAME);
 376                 String password = operationIntent.getStringExtra(EXTRA_PASSWORD);
 377                 String authToken = operationIntent.getStringExtra(EXTRA_AUTH_TOKEN);
 378                 String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 379                 target = new Target(
 380                         account,
 381                         (serverUrl == null) ? null : Uri.parse(serverUrl),
 382                         username,
 383                         password,
 384                         authToken,
 385                         cookie
 386                 );
 387
 388                 String action = operationIntent.getAction();
 389                 if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 390                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 391                     Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 392                     if (remotePath.length() > 0) {
 393                         operation = new CreateShareOperation(remotePath, ShareType.PUBLIC_LINK,
 394                                 "", false, "", 1, sendIntent);
 395                     }
 396
 397                 } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 398                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 399                     if (remotePath.length() > 0) {
 400                         operation = new UnshareLinkOperation(
 401                                 remotePath,
 402                                 OperationsService.this);
 403                     }
 404
 405                 } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 406                     // check OC server and get basic information from it
 407                     operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
 408
 409                 } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 410                     /// GET ACCESS TOKEN to the OAuth server
 411                     String oauth2QueryParameters =
 412                             operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 413                     operation = new OAuth2GetAccessToken(
 414                             getString(R.string.oauth2_client_id),
 415                             getString(R.string.oauth2_redirect_uri),
 416                             getString(R.string.oauth2_grant_type),
 417                             oauth2QueryParameters);
 418
 419                 } else if (action.equals(ACTION_EXISTENCE_CHECK)) {
 420                     // Existence Check
 421                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 422                     boolean successIfAbsent = operationIntent.getBooleanExtra(EXTRA_SUCCESS_IF_ABSENT, false);
 423                     operation = new ExistenceCheckRemoteOperation(remotePath, OperationsService.this, successIfAbsent);
 424
 425                 } else if (action.equals(ACTION_GET_USER_NAME)) {
 426                     // Get User Name
 427                     operation = new GetRemoteUserNameOperation();
 428
 429                 } else if (action.equals(ACTION_RENAME)) {
 430                     // Rename file or folder
 431                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 432                     String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 433                     operation = new RenameFileOperation(remotePath, newName);
 434
 435                 } else if (action.equals(ACTION_REMOVE)) {
 436                     // Remove file or folder
 437                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 438                     boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL, false);
 439                     operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 440
 441                 } else if (action.equals(ACTION_CREATE_FOLDER)) {
 442                     // Create Folder
 443                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 444                     boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH, true);
 445                     operation = new CreateFolderOperation(remotePath, createFullPath);
 446
 447                 } else if (action.equals(ACTION_SYNC_FILE)) {
 448                     // Sync file
 449                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 450                     boolean syncFileContents = operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 451                     operation = new SynchronizeFileOperation(
 452                             remotePath, account, syncFileContents, getApplicationContext()
 453                     );
 454
 455                 } else if (action.equals(ACTION_SYNC_FOLDER)) {
 456                     // Sync file
 457                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 458                     boolean syncFileContents = operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 459                     /* TODO - merge code for new SynchronizeFolderOperation
 460                     operation = new SynchronizeFolderOperation(
 461
 462                     );
 463                     */
 464
 465                 } else if (action.equals(ACTION_MOVE_FILE)) {
 466                     // Move file/folder
 467                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 468                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 469                     operation = new MoveFileOperation(remotePath,newParentPath,account);
 470                 }
 471
 472             }
 473
 474         } catch (IllegalArgumentException e) {
 475             Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 476             operation = null;
 477         }
 478
 479         if (operation != null) {
 480             return new Pair<Target , RemoteOperation>(target, operation);
 481         } else {
 482             return null;
 483         }
 484     }
 485
 486
 487     /**
 488      * Performs the next operation in the queue
 489      */
 490     private void nextOperation() {
 491
 492         //Log_OC.wtf(TAG, "nextOperation init" );
 493
 494         Pair<Target, RemoteOperation> next = null;
 495         synchronized(mPendingOperations) {
 496             next = mPendingOperations.peek();
 497         }
 498
 499         if (next != null) {
 500
 501             mCurrentOperation = next.second;
 502             RemoteOperationResult result = null;
 503             try {
 504                 /// prepare client object to send the request to the ownCloud server
 505                 if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 506                     mLastTarget = next.first;
 507                     if (mLastTarget.mAccount != null) {
 508                         OwnCloudAccount ocAccount = new OwnCloudAccount(mLastTarget.mAccount, this);
 509                         mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 510                                 getClientFor(ocAccount, this);
 511                         mStorageManager =
 512                                 new FileDataStorageManager(
 513                                         mLastTarget.mAccount,
 514                                         getContentResolver());
 515                     } else {
 516                         OwnCloudCredentials credentials = null;
 517                         if (mLastTarget.mUsername != null &&
 518                                 mLastTarget.mUsername.length() > 0) {
 519                             credentials = OwnCloudCredentialsFactory.newBasicCredentials(
 520                                     mLastTarget.mUsername,
 521                                     mLastTarget.mPassword);  // basic
 522
 523                         } else if (mLastTarget.mAuthToken != null &&
 524                                 mLastTarget.mAuthToken.length() > 0) {
 525                             credentials = OwnCloudCredentialsFactory.newBearerCredentials(
 526                                     mLastTarget.mAuthToken);  // bearer token
 527
 528                         } else if (mLastTarget.mCookie != null &&
 529                                 mLastTarget.mCookie.length() > 0) {
 530                             credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 531                                     mLastTarget.mCookie); // SAML SSO
 532                         }
 533                         OwnCloudAccount ocAccount = new OwnCloudAccount(
 534                                 mLastTarget.mServerUrl, credentials);
 535                         mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 536                                 getClientFor(ocAccount, this);
 537                         mStorageManager = null;
 538                     }
 539                 }
 540
 541                 /// perform the operation
 542                 if (mCurrentOperation instanceof SyncOperation) {
 543                     result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
 544                 } else {
 545                     result = mCurrentOperation.execute(mOwnCloudClient);
 546                 }
 547
 548             } catch (AccountsException e) {
 549                 if (mLastTarget.mAccount == null) {
 550                     Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 551                 } else {
 552                     Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 553                 }
 554                 result = new RemoteOperationResult(e);
 555
 556             } catch (IOException e) {
 557                 if (mLastTarget.mAccount == null) {
 558                     Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 559                 } else {
 560                     Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 561                 }
 562                 result = new RemoteOperationResult(e);
 563             } catch (Exception e) {
 564                 if (mLastTarget.mAccount == null) {
 565                     Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 566                 } else {
 567                     Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 568                 }
 569                 result = new RemoteOperationResult(e);
 570
 571             } finally {
 572                 synchronized(mPendingOperations) {
 573                     mPendingOperations.poll();
 574                 }
 575             }
 576
 577             //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 578             dispatchResultToOperationListeners(mLastTarget, mCurrentOperation, result);
 579         }
 580     }
 581
 582
 583     /**
 584      * Sends a broadcast when a new operation is added to the queue.
 585      *
 586      * Local broadcasts are only delivered to activities in the same process, but can't be done sticky :\
 587      *
 588      * @param target            Account or URL pointing to an OC server.
 589      * @param operation         Added operation.
 590      */
 591     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 592         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 593         if (target.mAccount != null) {
 594             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 595         } else {
 596             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 597         }
 598         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 599         //lbm.sendBroadcast(intent);
 600         sendStickyBroadcast(intent);
 601     }
 602
 603
 604     // TODO - maybe add a notification for real start of operations
 605
 606     /**
 607      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities can update their view
 608      *
 609      * Local broadcasts are only delivered to activities in the same process.
 610      *
 611      * @param target            Account or URL pointing to an OC server.
 612      * @param operation         Finished operation.
 613      * @param result            Result of the operation.
 614      */
 615     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation, RemoteOperationResult result) {
 616         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 617         intent.putExtra(EXTRA_RESULT, result);
 618         if (target.mAccount != null) {
 619             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 620         } else {
 621             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 622         }
 623         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 624         //lbm.sendBroadcast(intent);
 625         sendStickyBroadcast(intent);
 626     }
 627
 628
 629     /**
 630      * Notifies the currently subscribed listeners about the end of an operation.
 631      *
 632      * @param target            Account or URL pointing to an OC server.
 633      * @param operation         Finished operation.
 634      * @param result            Result of the operation.
 635      */
 636     private void dispatchResultToOperationListeners(
 637             Target target, final RemoteOperation operation, final RemoteOperationResult result) {
 638         int count = 0;
 639         Iterator<OnRemoteOperationListener> listeners = mBinder.mBoundListeners.keySet().iterator();
 640         while (listeners.hasNext()) {
 641             final OnRemoteOperationListener listener = listeners.next();
 642             final Handler handler = mBinder.mBoundListeners.get(listener);
 643             if (handler != null) {
 644                 handler.post(new Runnable() {
 645                     @Override
 646                     public void run() {
 647                         listener.onRemoteOperationFinish(operation, result);
 648                     }
 649                 });
 650                 count += 1;
 651             }
 652         }
 653         if (count == 0) {
 654             //mOperationResults.put(operation.hashCode(), result);
 655             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 656                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 657             mUndispatchedFinishedOperations.put(operation.hashCode(), undispatched);
 658         }
 659         Log_OC.d(TAG, "Called " + count + " listeners");
 660     }
 661
 662
 663 }