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.datamodel.OCFile;
  30 import com.owncloud.android.lib.common.OwnCloudAccount;
  31 import com.owncloud.android.lib.common.OwnCloudClient;
  32 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  33 import com.owncloud.android.lib.common.OwnCloudCredentials;
  34 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  35 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  36 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  37 import com.owncloud.android.lib.common.operations.RemoteOperation;
  38 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  39 import com.owncloud.android.lib.common.utils.Log_OC;
  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     public static final String EXTRA_FILE = "FILE";
  86
  87     public static final String EXTRA_COOKIE = "COOKIE";
  88
  89     public static final String ACTION_CREATE_SHARE = "CREATE_SHARE";
  90     public static final String ACTION_UNSHARE = "UNSHARE";
  91     public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
  92     public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
  93     public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
  94     public static final String ACTION_RENAME = "RENAME";
  95     public static final String ACTION_REMOVE = "REMOVE";
  96     public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
  97     public static final String ACTION_SYNC_FILE = "SYNC_FILE";
  98     public static final String ACTION_SYNC_FOLDER = "SYNC_FOLDER";  // for the moment, just to download
  99     public static final String ACTION_MOVE_FILE = "MOVE_FILE";
 100
 101     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() + ".OPERATION_ADDED";
 102     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() + ".OPERATION_FINISHED";
 103
 104
 105     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 106         mUndispatchedFinishedOperations =
 107             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 108
 109     private static class Target {
 110         public Uri mServerUrl = null;
 111         public Account mAccount = null;
 112         public String mCookie = null;
 113
 114         public Target(Account account, Uri serverUrl, String cookie) {
 115             mAccount = account;
 116             mServerUrl = serverUrl;
 117             mCookie = cookie;
 118         }
 119     }
 120
 121     private ServiceHandler mOperationsHandler;
 122     private OperationsServiceBinder mOperationsBinder;
 123
 124     private SyncFolderHandler mSyncFolderHandler;
 125
 126     /**
 127      * Service initialization
 128      */
 129     @Override
 130     public void onCreate() {
 131         super.onCreate();
 132         Log_OC.d(TAG, "Creating service");
 133
 134         /// First worker thread for most of operations
 135         HandlerThread thread = new HandlerThread("Operations thread", Process.THREAD_PRIORITY_BACKGROUND);
 136         thread.start();
 137         mOperationsHandler = new ServiceHandler(thread.getLooper(), this);
 138         mOperationsBinder = new OperationsServiceBinder(mOperationsHandler);
 139
 140         /// Separated worker thread for download of folders (WIP)
 141         thread = new HandlerThread("Syncfolder thread", Process.THREAD_PRIORITY_BACKGROUND);
 142         thread.start();
 143         mSyncFolderHandler = new SyncFolderHandler(thread.getLooper(), this);
 144     }
 145
 146
 147     /**
 148      * Entry point to add a new operation to the queue of operations.
 149      *
 150      * New operations are added calling to startService(), resulting in a call to this method.
 151      * This ensures the service will keep on working although the caller activity goes away.
 152      */
 153     @Override
 154     public int onStartCommand(Intent intent, int flags, int startId) {
 155         Log_OC.d(TAG, "Starting command with id " + startId);
 156
 157         // WIP: for the moment, only SYNC_FOLDER is expected here;
 158         // the rest of the operations are requested through the Binder
 159         if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
 160
 161             if (!intent.hasExtra(EXTRA_ACCOUNT) || !intent.hasExtra(EXTRA_REMOTE_PATH)) {
 162                 Log_OC.e(TAG, "Not enough information provided in intent");
 163                 return START_NOT_STICKY;
 164             }
 165             Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
 166             String remotePath = intent.getStringExtra(EXTRA_REMOTE_PATH);
 167
 168             Pair<Account, String> itemSyncKey =  new Pair<Account , String>(account, remotePath);
 169
 170             Pair<Target, RemoteOperation> itemToQueue = newOperation(intent);
 171             if (itemToQueue != null) {
 172                 mSyncFolderHandler.add(account, remotePath, (SynchronizeFolderOperation)itemToQueue.second);
 173                 Message msg = mSyncFolderHandler.obtainMessage();
 174                 msg.arg1 = startId;
 175                 msg.obj = itemSyncKey;
 176                 mSyncFolderHandler.sendMessage(msg);
 177             }
 178
 179         } else {
 180             Message msg = mOperationsHandler.obtainMessage();
 181             msg.arg1 = startId;
 182             mOperationsHandler.sendMessage(msg);
 183         }
 184
 185         return START_NOT_STICKY;
 186     }
 187
 188     @Override
 189     public void onDestroy() {
 190         Log_OC.v(TAG, "Destroying service" );
 191         // Saving cookies
 192         try {
 193             OwnCloudClientManagerFactory.getDefaultSingleton().
 194                 saveAllClients(this, MainApp.getAccountType());
 195
 196             // TODO - get rid of these exceptions
 197         } catch (AccountNotFoundException e) {
 198             e.printStackTrace();
 199         } catch (AuthenticatorException e) {
 200             e.printStackTrace();
 201         } catch (OperationCanceledException e) {
 202             e.printStackTrace();
 203         } catch (IOException e) {
 204             e.printStackTrace();
 205         }
 206
 207         mUndispatchedFinishedOperations.clear();
 208
 209         mOperationsBinder = null;
 210
 211         mOperationsHandler.getLooper().quit();
 212         mOperationsHandler = null;
 213
 214         mSyncFolderHandler.getLooper().quit();
 215         mSyncFolderHandler = null;
 216
 217         super.onDestroy();
 218     }
 219
 220     /**
 221      * Provides a binder object that clients can use to perform actions on the queue of operations,
 222      * except the addition of new operations.
 223      */
 224     @Override
 225     public IBinder onBind(Intent intent) {
 226         //Log_OC.wtf(TAG, "onBind" );
 227         return mOperationsBinder;
 228     }
 229
 230
 231     /**
 232      * Called when ALL the bound clients were unbound.
 233      */
 234     @Override
 235     public boolean onUnbind(Intent intent) {
 236         mOperationsBinder.clearListeners();
 237         return false;   // not accepting rebinding (default behaviour)
 238     }
 239
 240
 241     /**
 242      *  Binder to let client components to perform actions on the queue of operations.
 243      *
 244      *  It provides by itself the available operations.
 245      */
 246     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 247
 248         /**
 249          * Map of listeners that will be reported about the end of operations from a {@link OperationsServiceBinder} instance
 250          */
 251         private ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 252                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 253
 254         private ServiceHandler mServiceHandler = null;
 255
 256         public OperationsServiceBinder(ServiceHandler serviceHandler) {
 257             mServiceHandler = serviceHandler;
 258         }
 259
 260
 261         /**
 262          * Cancels a pending or current synchronization.
 263          *
 264          * @param account       ownCloud account where the remote folder is stored.
 265          * @param file          A folder in the queue of pending synchronizations
 266          */
 267         public void cancel(Account account, OCFile file) {
 268             mSyncFolderHandler.cancel(account, file);
 269         }
 270
 271
 272         public void clearListeners() {
 273
 274             mBoundListeners.clear();
 275         }
 276
 277
 278         /**
 279          * Adds a listener interested in being reported about the end of operations.
 280          *
 281          * @param listener          Object to notify about the end of operations.
 282          * @param callbackHandler   {@link Handler} to access the listener without breaking Android threading protection.
 283          */
 284         public void addOperationListener (OnRemoteOperationListener listener, Handler callbackHandler) {
 285             synchronized (mBoundListeners) {
 286                 mBoundListeners.put(listener, callbackHandler);
 287             }
 288         }
 289
 290
 291         /**
 292          * Removes a listener from the list of objects interested in the being reported about the end of operations.
 293          *
 294          * @param listener      Object to notify about progress of transfer.
 295          */
 296         public void removeOperationListener (OnRemoteOperationListener listener) {
 297             synchronized (mBoundListeners) {
 298                 mBoundListeners.remove(listener);
 299             }
 300         }
 301
 302
 303         /**
 304          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 305          *
 306          * @return  'True' when an operation that enforces the user to wait for completion is in process.
 307          */
 308         public boolean isPerformingBlockingOperation() {
 309             return (!mServiceHandler.mPendingOperations.isEmpty());
 310         }
 311
 312
 313         /**
 314          * Creates and adds to the queue a new operation, as described by operationIntent.
 315          *
 316          * Calls startService to make the operation is processed by the ServiceHandler.
 317          *
 318          * @param operationIntent       Intent describing a new operation to queue and execute.
 319          * @return                      Identifier of the operation created, or null if failed.
 320          */
 321         public long queueNewOperation(Intent operationIntent) {
 322             Pair<Target, RemoteOperation> itemToQueue = newOperation(operationIntent);
 323             if (itemToQueue != null) {
 324                 mServiceHandler.mPendingOperations.add(itemToQueue);
 325                 startService(new Intent(OperationsService.this, OperationsService.class));
 326                 return itemToQueue.second.hashCode();
 327
 328             } else {
 329                 return Long.MAX_VALUE;
 330             }
 331         }
 332
 333
 334         public boolean dispatchResultIfFinished(int operationId, OnRemoteOperationListener listener) {
 335             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 336                     mUndispatchedFinishedOperations.remove(operationId);
 337             if (undispatched != null) {
 338                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 339                 return true;
 340                 //Log_OC.wtf(TAG, "Sending callback later");
 341             } else {
 342                 if (!mServiceHandler.mPendingOperations.isEmpty()) {
 343                     return true;
 344                 } else {
 345                     return false;
 346                 }
 347                 //Log_OC.wtf(TAG, "Not finished yet");
 348             }
 349         }
 350
 351
 352         /**
 353          * Returns True when the file described by 'file' in the ownCloud account 'account' is downloading or waiting
 354          * to download.
 355          *
 356          * If 'file' is a directory, returns 'true' if some of its descendant files is downloading or waiting
 357          * to download.
 358          *
 359          * @param account       ownCloud account where the remote file is stored.
 360          * @param remotePath    Path of the folder to check if something is synchronizing / downloading / uploading
 361          *                      inside.
 362          */
 363         public boolean isSynchronizing(Account account, String remotePath) {
 364             return mSyncFolderHandler.isSynchronizing(account, remotePath);
 365         }
 366
 367     }
 368
 369
 370     /**
 371      * Operations worker. Performs the pending operations in the order they were requested.
 372      *
 373      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 374      */
 375     private static class ServiceHandler extends Handler {
 376         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 377
 378
 379         OperationsService mService;
 380
 381
 382         private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 383                 new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 384         private RemoteOperation mCurrentOperation = null;
 385         private Target mLastTarget = null;
 386         private OwnCloudClient mOwnCloudClient = null;
 387         private FileDataStorageManager mStorageManager;
 388
 389
 390         public ServiceHandler(Looper looper, OperationsService service) {
 391             super(looper);
 392             if (service == null) {
 393                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 394             }
 395             mService = service;
 396         }
 397
 398         @Override
 399         public void handleMessage(Message msg) {
 400             nextOperation();
 401             Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
 402             mService.stopSelf(msg.arg1);
 403         }
 404
 405
 406         /**
 407          * Performs the next operation in the queue
 408          */
 409         private void nextOperation() {
 410
 411             //Log_OC.wtf(TAG, "nextOperation init" );
 412
 413             Pair<Target, RemoteOperation> next = null;
 414             synchronized(mPendingOperations) {
 415                 next = mPendingOperations.peek();
 416             }
 417
 418             if (next != null) {
 419
 420                 mCurrentOperation = next.second;
 421                 RemoteOperationResult result = null;
 422                 try {
 423                     /// prepare client object to send the request to the ownCloud server
 424                     if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 425                         mLastTarget = next.first;
 426                         if (mLastTarget.mAccount != null) {
 427                             OwnCloudAccount ocAccount = new OwnCloudAccount(mLastTarget.mAccount, mService);
 428                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 429                                     getClientFor(ocAccount, mService);
 430                             mStorageManager = new FileDataStorageManager(
 431                                     mLastTarget.mAccount,
 432                                     mService.getContentResolver()
 433                             );
 434                         } else {
 435                             OwnCloudCredentials credentials = null;
 436                             if (mLastTarget.mCookie != null &&
 437                                     mLastTarget.mCookie.length() > 0) {
 438                                 // just used for GetUserName
 439                                 // TODO refactor to run GetUserName as AsyncTask in the context of AuthenticatorActivity
 440                                 credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 441                                         mLastTarget.mCookie); // SAML SSO
 442                             }
 443                             OwnCloudAccount ocAccount = new OwnCloudAccount(
 444                                     mLastTarget.mServerUrl, credentials);
 445                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 446                                     getClientFor(ocAccount, mService);
 447                             mStorageManager = null;
 448                         }
 449                     }
 450
 451                     /// perform the operation
 452                     if (mCurrentOperation instanceof SyncOperation) {
 453                         result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
 454                     } else {
 455                         result = mCurrentOperation.execute(mOwnCloudClient);
 456                     }
 457
 458                 } catch (AccountsException e) {
 459                     if (mLastTarget.mAccount == null) {
 460                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 461                     } else {
 462                         Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 463                     }
 464                     result = new RemoteOperationResult(e);
 465
 466                 } catch (IOException e) {
 467                     if (mLastTarget.mAccount == null) {
 468                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 469                     } else {
 470                         Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 471                     }
 472                     result = new RemoteOperationResult(e);
 473                 } catch (Exception e) {
 474                     if (mLastTarget.mAccount == null) {
 475                         Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 476                     } else {
 477                         Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 478                     }
 479                     result = new RemoteOperationResult(e);
 480
 481                 } finally {
 482                     synchronized(mPendingOperations) {
 483                         mPendingOperations.poll();
 484                     }
 485                 }
 486
 487                 //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 488                 mService.dispatchResultToOperationListeners(mCurrentOperation, result);
 489             }
 490         }
 491
 492
 493
 494     }
 495
 496
 497     /**
 498      * Creates a new operation, as described by operationIntent.
 499      *
 500      * TODO - move to ServiceHandler (probably)
 501      *
 502      * @param operationIntent       Intent describing a new operation to queue and execute.
 503      * @return                      Pair with the new operation object and the information about its target server.
 504      */
 505     private Pair<Target , RemoteOperation> newOperation(Intent operationIntent) {
 506         RemoteOperation operation = null;
 507         Target target = null;
 508         try {
 509             if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 510                     !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 511                 Log_OC.e(TAG, "Not enough information provided in intent");
 512
 513             } else {
 514                 Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 515                 String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 516                 String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 517                 target = new Target(
 518                         account,
 519                         (serverUrl == null) ? null : Uri.parse(serverUrl),
 520                         cookie
 521                 );
 522
 523                 String action = operationIntent.getAction();
 524                 if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 525                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 526                     Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 527                     if (remotePath.length() > 0) {
 528                         operation = new CreateShareOperation(OperationsService.this, remotePath,
 529                                 ShareType.PUBLIC_LINK,
 530                                 "", false, "", 1, sendIntent);
 531                     }
 532
 533                 } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 534                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 535                     if (remotePath.length() > 0) {
 536                         operation = new UnshareLinkOperation(
 537                                 remotePath,
 538                                 OperationsService.this);
 539                     }
 540
 541                 } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 542                     // check OC server and get basic information from it
 543                     operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
 544
 545                 } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 546                     /// GET ACCESS TOKEN to the OAuth server
 547                     String oauth2QueryParameters =
 548                             operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 549                     operation = new OAuth2GetAccessToken(
 550                             getString(R.string.oauth2_client_id),
 551                             getString(R.string.oauth2_redirect_uri),
 552                             getString(R.string.oauth2_grant_type),
 553                             oauth2QueryParameters);
 554
 555                 } else if (action.equals(ACTION_GET_USER_NAME)) {
 556                     // Get User Name
 557                     operation = new GetRemoteUserNameOperation();
 558
 559                 } else if (action.equals(ACTION_RENAME)) {
 560                     // Rename file or folder
 561                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 562                     String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 563                     operation = new RenameFileOperation(remotePath, newName);
 564
 565                 } else if (action.equals(ACTION_REMOVE)) {
 566                     // Remove file or folder
 567                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 568                     boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL, false);
 569                     operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 570
 571                 } else if (action.equals(ACTION_CREATE_FOLDER)) {
 572                     // Create Folder
 573                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 574                     boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH, true);
 575                     operation = new CreateFolderOperation(remotePath, createFullPath);
 576
 577                 } else if (action.equals(ACTION_SYNC_FILE)) {
 578                     // Sync file
 579                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 580                     boolean syncFileContents = operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 581                     operation = new SynchronizeFileOperation(
 582                             remotePath, account, syncFileContents, getApplicationContext()
 583                     );
 584
 585                 } else if (action.equals(ACTION_SYNC_FOLDER)) {
 586                     // Sync file
 587                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 588                     operation = new SynchronizeFolderOperation(
 589                             this,                       // TODO remove this dependency from construction time
 590                             remotePath,
 591                             account,
 592                             System.currentTimeMillis()  // TODO remove this dependency from construction time
 593                     );
 594
 595                 } else if (action.equals(ACTION_MOVE_FILE)) {
 596                     // Move file/folder
 597                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 598                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 599                     operation = new MoveFileOperation(remotePath,newParentPath,account);
 600                 }
 601
 602             }
 603
 604         } catch (IllegalArgumentException e) {
 605             Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 606             operation = null;
 607         }
 608
 609         if (operation != null) {
 610             return new Pair<Target , RemoteOperation>(target, operation);
 611         } else {
 612             return null;
 613         }
 614     }
 615
 616
 617     /**
 618      * Sends a broadcast when a new operation is added to the queue.
 619      *
 620      * Local broadcasts are only delivered to activities in the same process, but can't be done sticky :\
 621      *
 622      * @param target            Account or URL pointing to an OC server.
 623      * @param operation         Added operation.
 624      */
 625     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 626         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 627         if (target.mAccount != null) {
 628             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 629         } else {
 630             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 631         }
 632         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 633         //lbm.sendBroadcast(intent);
 634         sendStickyBroadcast(intent);
 635     }
 636
 637
 638     // TODO - maybe add a notification for real start of operations
 639
 640     /**
 641      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities can update their view
 642      *
 643      * Local broadcasts are only delivered to activities in the same process.
 644      *
 645      * @param target            Account or URL pointing to an OC server.
 646      * @param operation         Finished operation.
 647      * @param result            Result of the operation.
 648      */
 649     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation, RemoteOperationResult result) {
 650         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 651         intent.putExtra(EXTRA_RESULT, result);
 652         if (target.mAccount != null) {
 653             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 654         } else {
 655             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 656         }
 657         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 658         //lbm.sendBroadcast(intent);
 659         sendStickyBroadcast(intent);
 660     }
 661
 662
 663     /**
 664      * Notifies the currently subscribed listeners about the end of an operation.
 665      *
 666      * @param operation         Finished operation.
 667      * @param result            Result of the operation.
 668      */
 669     protected void dispatchResultToOperationListeners(
 670             final RemoteOperation operation, final RemoteOperationResult result
 671     ) {
 672         int count = 0;
 673         Iterator<OnRemoteOperationListener> listeners = mOperationsBinder.mBoundListeners.keySet().iterator();
 674         while (listeners.hasNext()) {
 675             final OnRemoteOperationListener listener = listeners.next();
 676             final Handler handler = mOperationsBinder.mBoundListeners.get(listener);
 677             if (handler != null) {
 678                 handler.post(new Runnable() {
 679                     @Override
 680                     public void run() {
 681                         listener.onRemoteOperationFinish(operation, result);
 682                     }
 683                 });
 684                 count += 1;
 685             }
 686         }
 687         if (count == 0) {
 688             //mOperationResults.put(operation.hashCode(), result);
 689             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 690                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 691             mUndispatchedFinishedOperations.put(operation.hashCode(), undispatched);
 692         }
 693         Log_OC.d(TAG, "Called " + count + " listeners");
 694     }
 695 }