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.SynchronizeFolderOperation;
  52 import com.owncloud.android.operations.UnshareLinkOperation;
  53
  54 import android.accounts.Account;
  55 import android.accounts.AccountsException;
  56 import android.accounts.AuthenticatorException;
  57 import android.accounts.OperationCanceledException;
  58 import android.app.Service;
  59 import android.content.Intent;
  60 import android.net.Uri;
  61 import android.os.Binder;
  62 import android.os.Handler;
  63 import android.os.HandlerThread;
  64 import android.os.IBinder;
  65 import android.os.Looper;
  66 import android.os.Message;
  67 import android.os.Process;
  68 import android.util.Pair;
  69
  70 public class OperationsService extends Service {
  71
  72     private static final String TAG = OperationsService.class.getSimpleName();
  73
  74     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  75     public static final String EXTRA_SERVER_URL = "SERVER_URL";
  76     public static final String EXTRA_OAUTH2_QUERY_PARAMETERS = "OAUTH2_QUERY_PARAMETERS";
  77     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  78     public static final String EXTRA_SEND_INTENT = "SEND_INTENT";
  79     public static final String EXTRA_NEWNAME = "NEWNAME";
  80     public static final String EXTRA_REMOVE_ONLY_LOCAL = "REMOVE_LOCAL_COPY";
  81     public static final String EXTRA_CREATE_FULL_PATH = "CREATE_FULL_PATH";
  82     public static final String EXTRA_SYNC_FILE_CONTENTS = "SYNC_FILE_CONTENTS";
  83     public static final String EXTRA_RESULT = "RESULT";
  84     public static final String EXTRA_NEW_PARENT_PATH = "NEW_PARENT_PATH";
  85
  86     // TODO review if ALL OF THEM are necessary
  87     public static final String EXTRA_SUCCESS_IF_ABSENT = "SUCCESS_IF_ABSENT";
  88     public static final String EXTRA_USERNAME = "USERNAME";
  89     public static final String EXTRA_PASSWORD = "PASSWORD";
  90     public static final String EXTRA_AUTH_TOKEN = "AUTH_TOKEN";
  91     public static final String EXTRA_COOKIE = "COOKIE";
  92
  93     public static final String ACTION_CREATE_SHARE = "CREATE_SHARE";
  94     public static final String ACTION_UNSHARE = "UNSHARE";
  95     public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
  96     public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
  97     public static final String ACTION_EXISTENCE_CHECK = "EXISTENCE_CHECK";
  98     public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
  99     public static final String ACTION_RENAME = "RENAME";
 100     public static final String ACTION_REMOVE = "REMOVE";
 101     public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
 102     public static final String ACTION_SYNC_FILE = "SYNC_FILE";
 103     public static final String ACTION_SYNC_FOLDER = "SYNC_FOLDER";  // for the moment, just to download
 104     public static final String ACTION_MOVE_FILE = "MOVE_FILE";
 105
 106     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() + ".OPERATION_ADDED";
 107     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() + ".OPERATION_FINISHED";
 108
 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 ServiceHandler mOperationsHandler;
 134     private OperationsServiceBinder mOperationsBinder;
 135
 136     private ServiceHandler mSyncFolderHandler;
 137
 138     /**
 139      * Service initialization
 140      */
 141     @Override
 142     public void onCreate() {
 143         super.onCreate();
 144         /// First worker thread for most of operations
 145         HandlerThread thread = new HandlerThread("Operations thread", Process.THREAD_PRIORITY_BACKGROUND);
 146         thread.start();
 147         mOperationsHandler = new ServiceHandler(thread.getLooper(), this);
 148         mOperationsBinder = new OperationsServiceBinder(mOperationsHandler);
 149
 150         /// Separated worker thread for download of folders (WIP)
 151         thread = new HandlerThread("Syncfolder thread", Process.THREAD_PRIORITY_BACKGROUND);
 152         thread.start();
 153         mSyncFolderHandler = new ServiceHandler(thread.getLooper(), this);
 154     }
 155
 156
 157     /**
 158      * Entry point to add a new operation to the queue of operations.
 159      *
 160      * New operations are added calling to startService(), resulting in a call to this method.
 161      * This ensures the service will keep on working although the caller activity goes away.
 162      */
 163     @Override
 164     public int onStartCommand(Intent intent, int flags, int startId) {
 165         if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
 166             // WIP: for the moment, only SYNC_FOLDER is expected here; the rest of the operations are requested through
 167             // the Binder
 168             Pair<Target, RemoteOperation> itemToQueue = newOperation(intent);
 169             if (itemToQueue != null) {
 170                 mSyncFolderHandler.mPendingOperations.add(itemToQueue);
 171                 Message msg = mSyncFolderHandler.obtainMessage();
 172                 msg.arg1 = startId;
 173                 mSyncFolderHandler.sendMessage(msg);
 174             }
 175
 176         } else {
 177             Message msg = mOperationsHandler.obtainMessage();
 178             msg.arg1 = startId;
 179             mOperationsHandler.sendMessage(msg);
 180         }
 181
 182         return START_NOT_STICKY;
 183     }
 184
 185     @Override
 186     public void onDestroy() {
 187         //Log_OC.wtf(TAG, "onDestroy init" );
 188         // Saving cookies
 189         try {
 190             OwnCloudClientManagerFactory.getDefaultSingleton().
 191                 saveAllClients(this, MainApp.getAccountType());
 192
 193             // TODO - get rid of these exceptions
 194         } catch (AccountNotFoundException e) {
 195             e.printStackTrace();
 196         } catch (AuthenticatorException e) {
 197             e.printStackTrace();
 198         } catch (OperationCanceledException e) {
 199             e.printStackTrace();
 200         } catch (IOException e) {
 201             e.printStackTrace();
 202         }
 203
 204         //Log_OC.wtf(TAG, "Clear mUndispatchedFinisiedOperations" );
 205         mUndispatchedFinishedOperations.clear();
 206
 207         //Log_OC.wtf(TAG, "onDestroy end" );
 208         super.onDestroy();
 209     }
 210
 211
 212     /**
 213      * Provides a binder object that clients can use to perform actions on the queue of operations,
 214      * except the addition of new operations.
 215      */
 216     @Override
 217     public IBinder onBind(Intent intent) {
 218         //Log_OC.wtf(TAG, "onBind" );
 219         return mOperationsBinder;
 220     }
 221
 222
 223     /**
 224      * Called when ALL the bound clients were unbound.
 225      */
 226     @Override
 227     public boolean onUnbind(Intent intent) {
 228         ((OperationsServiceBinder)mOperationsBinder).clearListeners();
 229         return false;   // not accepting rebinding (default behaviour)
 230     }
 231
 232
 233     /**
 234      *  Binder to let client components to perform actions on the queue of operations.
 235      *
 236      *  It provides by itself the available operations.
 237      */
 238     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 239
 240         /**
 241          * Map of listeners that will be reported about the end of operations from a {@link OperationsServiceBinder} instance
 242          */
 243         private ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 244                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 245
 246         private ServiceHandler mServiceHandler = null;
 247
 248
 249         public OperationsServiceBinder(ServiceHandler serviceHandler) {
 250             mServiceHandler = serviceHandler;
 251         }
 252
 253
 254         /**
 255          * Cancels an operation
 256          *
 257          * TODO
 258          */
 259         public void cancel() {
 260             // TODO
 261         }
 262
 263
 264         public void clearListeners() {
 265
 266             mBoundListeners.clear();
 267         }
 268
 269
 270         /**
 271          * Adds a listener interested in being reported about the end of operations.
 272          *
 273          * @param listener          Object to notify about the end of operations.
 274          * @param callbackHandler   {@link Handler} to access the listener without breaking Android threading protection.
 275          */
 276         public void addOperationListener (OnRemoteOperationListener listener, Handler callbackHandler) {
 277             synchronized (mBoundListeners) {
 278                 mBoundListeners.put(listener, callbackHandler);
 279             }
 280         }
 281
 282
 283         /**
 284          * Removes a listener from the list of objects interested in the being reported about the end of operations.
 285          *
 286          * @param listener      Object to notify about progress of transfer.
 287          */
 288         public void removeOperationListener (OnRemoteOperationListener listener) {
 289             synchronized (mBoundListeners) {
 290                 mBoundListeners.remove(listener);
 291             }
 292         }
 293
 294
 295         /**
 296          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 297          *
 298          * @return  'True' when an operation that enforces the user to wait for completion is in process.
 299          */
 300         public boolean isPerformingBlockingOperation() {
 301             return (!mServiceHandler.mPendingOperations.isEmpty());
 302         }
 303
 304
 305         /**
 306          * Creates and adds to the queue a new operation, as described by operationIntent.
 307          *
 308          * Calls startService to make the operation is processed by the ServiceHandler.
 309          *
 310          * @param operationIntent       Intent describing a new operation to queue and execute.
 311          * @return                      Identifier of the operation created, or null if failed.
 312          */
 313         public long queueNewOperation(Intent operationIntent) {
 314             Pair<Target, RemoteOperation> itemToQueue = newOperation(operationIntent);
 315             if (itemToQueue != null) {
 316                 mServiceHandler.mPendingOperations.add(itemToQueue);
 317                 startService(new Intent(OperationsService.this, OperationsService.class));
 318                 return itemToQueue.second.hashCode();
 319
 320             } else {
 321                 return Long.MAX_VALUE;
 322             }
 323         }
 324
 325
 326         public boolean dispatchResultIfFinished(int operationId, OnRemoteOperationListener listener) {
 327             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 328                     mUndispatchedFinishedOperations.remove(operationId);
 329             if (undispatched != null) {
 330                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 331                 return true;
 332                 //Log_OC.wtf(TAG, "Sending callback later");
 333             } else {
 334                 if (!mServiceHandler.mPendingOperations.isEmpty()) {
 335                     return true;
 336                 } else {
 337                     return false;
 338                 }
 339                 //Log_OC.wtf(TAG, "Not finished yet");
 340             }
 341         }
 342
 343     }
 344
 345
 346     /**
 347      * Operations worker. Performs the pending operations in the order they were requested.
 348      *
 349      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 350      */
 351     private static class ServiceHandler extends Handler {
 352         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 353
 354
 355         OperationsService mService;
 356
 357
 358         private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 359                 new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 360         private RemoteOperation mCurrentOperation = null;
 361         private Target mLastTarget = null;
 362         private OwnCloudClient mOwnCloudClient = null;
 363         private FileDataStorageManager mStorageManager;
 364
 365
 366         public ServiceHandler(Looper looper, OperationsService service) {
 367             super(looper);
 368             if (service == null) {
 369                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 370             }
 371             mService = service;
 372         }
 373
 374         @Override
 375         public void handleMessage(Message msg) {
 376             nextOperation();
 377             mService.stopSelf(msg.arg1);
 378         }
 379
 380
 381         /**
 382          * Performs the next operation in the queue
 383          */
 384         private void nextOperation() {
 385
 386             //Log_OC.wtf(TAG, "nextOperation init" );
 387
 388             Pair<Target, RemoteOperation> next = null;
 389             synchronized(mPendingOperations) {
 390                 next = mPendingOperations.peek();
 391             }
 392
 393             if (next != null) {
 394
 395                 mCurrentOperation = next.second;
 396                 RemoteOperationResult result = null;
 397                 try {
 398                     /// prepare client object to send the request to the ownCloud server
 399                     if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 400                         mLastTarget = next.first;
 401                         if (mLastTarget.mAccount != null) {
 402                             OwnCloudAccount ocAccount = new OwnCloudAccount(mLastTarget.mAccount, mService);
 403                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 404                                     getClientFor(ocAccount, mService);
 405                             mStorageManager = new FileDataStorageManager(
 406                                     mLastTarget.mAccount,
 407                                     mService.getContentResolver()
 408                             );
 409                         } else {
 410                             OwnCloudCredentials credentials = null;
 411                             if (mLastTarget.mUsername != null &&
 412                                     mLastTarget.mUsername.length() > 0) {
 413                                 credentials = OwnCloudCredentialsFactory.newBasicCredentials(
 414                                         mLastTarget.mUsername,
 415                                         mLastTarget.mPassword);  // basic
 416
 417                             } else if (mLastTarget.mAuthToken != null &&
 418                                     mLastTarget.mAuthToken.length() > 0) {
 419                                 credentials = OwnCloudCredentialsFactory.newBearerCredentials(
 420                                         mLastTarget.mAuthToken);  // bearer token
 421
 422                             } else if (mLastTarget.mCookie != null &&
 423                                     mLastTarget.mCookie.length() > 0) {
 424                                 credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 425                                         mLastTarget.mCookie); // SAML SSO
 426                             }
 427                             OwnCloudAccount ocAccount = new OwnCloudAccount(
 428                                     mLastTarget.mServerUrl, credentials);
 429                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 430                                     getClientFor(ocAccount, mService);
 431                             mStorageManager = null;
 432                         }
 433                     }
 434
 435                     /// perform the operation
 436                     if (mCurrentOperation instanceof SyncOperation) {
 437                         result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
 438                     } else {
 439                         result = mCurrentOperation.execute(mOwnCloudClient);
 440                     }
 441
 442                 } catch (AccountsException e) {
 443                     if (mLastTarget.mAccount == null) {
 444                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 445                     } else {
 446                         Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 447                     }
 448                     result = new RemoteOperationResult(e);
 449
 450                 } catch (IOException e) {
 451                     if (mLastTarget.mAccount == null) {
 452                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 453                     } else {
 454                         Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 455                     }
 456                     result = new RemoteOperationResult(e);
 457                 } catch (Exception e) {
 458                     if (mLastTarget.mAccount == null) {
 459                         Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 460                     } else {
 461                         Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 462                     }
 463                     result = new RemoteOperationResult(e);
 464
 465                 } finally {
 466                     synchronized(mPendingOperations) {
 467                         mPendingOperations.poll();
 468                     }
 469                 }
 470
 471                 //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 472                 mService.dispatchResultToOperationListeners(mLastTarget, mCurrentOperation, result);
 473             }
 474         }
 475
 476
 477
 478     }
 479
 480
 481     /**
 482      * Creates a new operation, as described by operationIntent.
 483      *
 484      * TODO - move to ServiceHandler (probably)
 485      *
 486      * @param operationIntent       Intent describing a new operation to queue and execute.
 487      * @return                      Pair with the new operation object and the information about its target server.
 488      */
 489     private Pair<Target , RemoteOperation> newOperation(Intent operationIntent) {
 490         RemoteOperation operation = null;
 491         Target target = null;
 492         try {
 493             if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 494                     !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 495                 Log_OC.e(TAG, "Not enough information provided in intent");
 496
 497             } else {
 498                 Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 499                 String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 500                 String username = operationIntent.getStringExtra(EXTRA_USERNAME);
 501                 String password = operationIntent.getStringExtra(EXTRA_PASSWORD);
 502                 String authToken = operationIntent.getStringExtra(EXTRA_AUTH_TOKEN);
 503                 String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 504                 target = new Target(
 505                         account,
 506                         (serverUrl == null) ? null : Uri.parse(serverUrl),
 507                         username,
 508                         password,
 509                         authToken,
 510                         cookie
 511                 );
 512
 513                 String action = operationIntent.getAction();
 514                 if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 515                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 516                     Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 517                     if (remotePath.length() > 0) {
 518                         operation = new CreateShareOperation(remotePath, ShareType.PUBLIC_LINK,
 519                                 "", false, "", 1, sendIntent);
 520                     }
 521
 522                 } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 523                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 524                     if (remotePath.length() > 0) {
 525                         operation = new UnshareLinkOperation(
 526                                 remotePath,
 527                                 OperationsService.this);
 528                     }
 529
 530                 } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 531                     // check OC server and get basic information from it
 532                     operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
 533
 534                 } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 535                     /// GET ACCESS TOKEN to the OAuth server
 536                     String oauth2QueryParameters =
 537                             operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 538                     operation = new OAuth2GetAccessToken(
 539                             getString(R.string.oauth2_client_id),
 540                             getString(R.string.oauth2_redirect_uri),
 541                             getString(R.string.oauth2_grant_type),
 542                             oauth2QueryParameters);
 543
 544                 } else if (action.equals(ACTION_EXISTENCE_CHECK)) {
 545                     // Existence Check
 546                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 547                     boolean successIfAbsent = operationIntent.getBooleanExtra(EXTRA_SUCCESS_IF_ABSENT, false);
 548                     operation = new ExistenceCheckRemoteOperation(remotePath, OperationsService.this, successIfAbsent);
 549
 550                 } else if (action.equals(ACTION_GET_USER_NAME)) {
 551                     // Get User Name
 552                     operation = new GetRemoteUserNameOperation();
 553
 554                 } else if (action.equals(ACTION_RENAME)) {
 555                     // Rename file or folder
 556                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 557                     String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 558                     operation = new RenameFileOperation(remotePath, newName);
 559
 560                 } else if (action.equals(ACTION_REMOVE)) {
 561                     // Remove file or folder
 562                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 563                     boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL, false);
 564                     operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 565
 566                 } else if (action.equals(ACTION_CREATE_FOLDER)) {
 567                     // Create Folder
 568                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 569                     boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH, true);
 570                     operation = new CreateFolderOperation(remotePath, createFullPath);
 571
 572                 } else if (action.equals(ACTION_SYNC_FILE)) {
 573                     // Sync file
 574                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 575                     boolean syncFileContents = operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 576                     operation = new SynchronizeFileOperation(
 577                             remotePath, account, syncFileContents, getApplicationContext()
 578                     );
 579
 580                 } else if (action.equals(ACTION_SYNC_FOLDER)) {
 581                     // Sync file
 582                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 583                     operation = new SynchronizeFolderOperation(
 584                             this,                       // TODO remove this dependency from construction time
 585                             remotePath,
 586                             account,
 587                             System.currentTimeMillis()  // TODO remove this dependency from construction time
 588                     );
 589
 590                 } else if (action.equals(ACTION_MOVE_FILE)) {
 591                     // Move file/folder
 592                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 593                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 594                     operation = new MoveFileOperation(remotePath,newParentPath,account);
 595                 }
 596
 597             }
 598
 599         } catch (IllegalArgumentException e) {
 600             Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 601             operation = null;
 602         }
 603
 604         if (operation != null) {
 605             return new Pair<Target , RemoteOperation>(target, operation);
 606         } else {
 607             return null;
 608         }
 609     }
 610
 611
 612     /**
 613      * Sends a broadcast when a new operation is added to the queue.
 614      *
 615      * Local broadcasts are only delivered to activities in the same process, but can't be done sticky :\
 616      *
 617      * @param target            Account or URL pointing to an OC server.
 618      * @param operation         Added operation.
 619      */
 620     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 621         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 622         if (target.mAccount != null) {
 623             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 624         } else {
 625             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 626         }
 627         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 628         //lbm.sendBroadcast(intent);
 629         sendStickyBroadcast(intent);
 630     }
 631
 632
 633     // TODO - maybe add a notification for real start of operations
 634
 635     /**
 636      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities can update their view
 637      *
 638      * Local broadcasts are only delivered to activities in the same process.
 639      *
 640      * @param target            Account or URL pointing to an OC server.
 641      * @param operation         Finished operation.
 642      * @param result            Result of the operation.
 643      */
 644     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation, RemoteOperationResult result) {
 645         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 646         intent.putExtra(EXTRA_RESULT, result);
 647         if (target.mAccount != null) {
 648             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 649         } else {
 650             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 651         }
 652         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 653         //lbm.sendBroadcast(intent);
 654         sendStickyBroadcast(intent);
 655     }
 656
 657
 658     /**
 659      * Notifies the currently subscribed listeners about the end of an operation.
 660      *
 661      * @param target            Account or URL pointing to an OC server.
 662      * @param operation         Finished operation.
 663      * @param result            Result of the operation.
 664      */
 665     private void dispatchResultToOperationListeners(
 666             Target target, final RemoteOperation operation, final RemoteOperationResult result) {
 667         int count = 0;
 668         Iterator<OnRemoteOperationListener> listeners = mOperationsBinder.mBoundListeners.keySet().iterator();
 669         while (listeners.hasNext()) {
 670             final OnRemoteOperationListener listener = listeners.next();
 671             final Handler handler = mOperationsBinder.mBoundListeners.get(listener);
 672             if (handler != null) {
 673                 handler.post(new Runnable() {
 674                     @Override
 675                     public void run() {
 676                         listener.onRemoteOperationFinish(operation, result);
 677                     }
 678                 });
 679                 count += 1;
 680             }
 681         }
 682         if (count == 0) {
 683             //mOperationResults.put(operation.hashCode(), result);
 684             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 685                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 686             mUndispatchedFinishedOperations.put(operation.hashCode(), undispatched);
 687         }
 688         Log_OC.d(TAG, "Called " + count + " listeners");
 689     }
 690
 691
 692 }