src/com/owncloud/android/services/OperationsService.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2015 ownCloud Inc.
   5  *
   6  *   This program is free software: you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License version 2,
   8  *   as published by the Free Software Foundation.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.services;
  21
  22 import java.io.IOException;
  23 import java.util.Iterator;
  24 import java.util.concurrent.ConcurrentHashMap;
  25 import java.util.concurrent.ConcurrentLinkedQueue;
  26 import java.util.concurrent.ConcurrentMap;
  27
  28 import com.owncloud.android.MainApp;
  29 import com.owncloud.android.R;
  30 import com.owncloud.android.datamodel.FileDataStorageManager;
  31 import com.owncloud.android.datamodel.OCFile;
  32 import com.owncloud.android.lib.common.OwnCloudAccount;
  33 import com.owncloud.android.lib.common.OwnCloudClient;
  34 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  35 import com.owncloud.android.lib.common.OwnCloudCredentials;
  36 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  37 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  38 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  39 import com.owncloud.android.lib.common.operations.RemoteOperation;
  40 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  41 import com.owncloud.android.lib.common.utils.Log_OC;
  42 import com.owncloud.android.lib.resources.shares.ShareType;
  43 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  44 import com.owncloud.android.operations.common.SyncOperation;
  45 import com.owncloud.android.operations.CreateFolderOperation;
  46 import com.owncloud.android.operations.CreateShareOperation;
  47 import com.owncloud.android.operations.GetServerInfoOperation;
  48 import com.owncloud.android.operations.MoveFileOperation;
  49 import com.owncloud.android.operations.OAuth2GetAccessToken;
  50 import com.owncloud.android.operations.RemoveFileOperation;
  51 import com.owncloud.android.operations.RenameFileOperation;
  52 import com.owncloud.android.operations.SynchronizeFileOperation;
  53 import com.owncloud.android.operations.SynchronizeFolderOperation;
  54 import com.owncloud.android.operations.UnshareLinkOperation;
  55
  56 import android.accounts.Account;
  57 import android.accounts.AccountsException;
  58 import android.accounts.AuthenticatorException;
  59 import android.accounts.OperationCanceledException;
  60 import android.app.Service;
  61 import android.content.Intent;
  62 import android.net.Uri;
  63 import android.os.Binder;
  64 import android.os.Handler;
  65 import android.os.HandlerThread;
  66 import android.os.IBinder;
  67 import android.os.Looper;
  68 import android.os.Message;
  69 import android.os.Process;
  70 import android.util.Pair;
  71
  72 public class OperationsService extends Service {
  73
  74     private static final String TAG = OperationsService.class.getSimpleName();
  75
  76     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  77     public static final String EXTRA_SERVER_URL = "SERVER_URL";
  78     public static final String EXTRA_OAUTH2_QUERY_PARAMETERS = "OAUTH2_QUERY_PARAMETERS";
  79     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  80     public static final String EXTRA_SEND_INTENT = "SEND_INTENT";
  81     public static final String EXTRA_NEWNAME = "NEWNAME";
  82     public static final String EXTRA_REMOVE_ONLY_LOCAL = "REMOVE_LOCAL_COPY";
  83     public static final String EXTRA_CREATE_FULL_PATH = "CREATE_FULL_PATH";
  84     public static final String EXTRA_SYNC_FILE_CONTENTS = "SYNC_FILE_CONTENTS";
  85     public static final String EXTRA_RESULT = "RESULT";
  86     public static final String EXTRA_NEW_PARENT_PATH = "NEW_PARENT_PATH";
  87     public static final String EXTRA_FILE = "FILE";
  88
  89     public static final String EXTRA_COOKIE = "COOKIE";
  90
  91     public static final String ACTION_CREATE_SHARE = "CREATE_SHARE";
  92     public static final String ACTION_UNSHARE = "UNSHARE";
  93     public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
  94     public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
  95     public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
  96     public static final String ACTION_RENAME = "RENAME";
  97     public static final String ACTION_REMOVE = "REMOVE";
  98     public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
  99     public static final String ACTION_SYNC_FILE = "SYNC_FILE";
 100     public static final String ACTION_SYNC_FOLDER = "SYNC_FOLDER";  // for the moment, just to download
 101     public static final String ACTION_MOVE_FILE = "MOVE_FILE";
 102
 103     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() + ".OPERATION_ADDED";
 104     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() + ".OPERATION_FINISHED";
 105
 106
 107     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 108         mUndispatchedFinishedOperations =
 109             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 110
 111     private static class Target {
 112         public Uri mServerUrl = null;
 113         public Account mAccount = null;
 114         public String mCookie = null;
 115
 116         public Target(Account account, Uri serverUrl, String cookie) {
 117             mAccount = account;
 118             mServerUrl = serverUrl;
 119             mCookie = cookie;
 120         }
 121     }
 122
 123     private ServiceHandler mOperationsHandler;
 124     private OperationsServiceBinder mOperationsBinder;
 125
 126     private SyncFolderHandler mSyncFolderHandler;
 127
 128     /**
 129      * Service initialization
 130      */
 131     @Override
 132     public void onCreate() {
 133         super.onCreate();
 134         Log_OC.d(TAG, "Creating service");
 135
 136         /// First worker thread for most of operations
 137         HandlerThread thread = new HandlerThread("Operations thread", Process.THREAD_PRIORITY_BACKGROUND);
 138         thread.start();
 139         mOperationsHandler = new ServiceHandler(thread.getLooper(), this);
 140         mOperationsBinder = new OperationsServiceBinder(mOperationsHandler);
 141
 142         /// Separated worker thread for download of folders (WIP)
 143         thread = new HandlerThread("Syncfolder thread", Process.THREAD_PRIORITY_BACKGROUND);
 144         thread.start();
 145         mSyncFolderHandler = new SyncFolderHandler(thread.getLooper(), this);
 146     }
 147
 148
 149     /**
 150      * Entry point to add a new operation to the queue of operations.
 151      *
 152      * New operations are added calling to startService(), resulting in a call to this method.
 153      * This ensures the service will keep on working although the caller activity goes away.
 154      */
 155     @Override
 156     public int onStartCommand(Intent intent, int flags, int startId) {
 157         Log_OC.d(TAG, "Starting command with id " + startId);
 158
 159         // WIP: for the moment, only SYNC_FOLDER is expected here;
 160         // the rest of the operations are requested through the Binder
 161         if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
 162
 163             if (!intent.hasExtra(EXTRA_ACCOUNT) || !intent.hasExtra(EXTRA_REMOTE_PATH)) {
 164                 Log_OC.e(TAG, "Not enough information provided in intent");
 165                 return START_NOT_STICKY;
 166             }
 167             Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
 168             String remotePath = intent.getStringExtra(EXTRA_REMOTE_PATH);
 169
 170             Pair<Account, String> itemSyncKey =  new Pair<Account , String>(account, remotePath);
 171
 172             Pair<Target, RemoteOperation> itemToQueue = newOperation(intent);
 173             if (itemToQueue != null) {
 174                 mSyncFolderHandler.add(account, remotePath, (SynchronizeFolderOperation)itemToQueue.second);
 175                 Message msg = mSyncFolderHandler.obtainMessage();
 176                 msg.arg1 = startId;
 177                 msg.obj = itemSyncKey;
 178                 mSyncFolderHandler.sendMessage(msg);
 179             }
 180
 181         } else {
 182             Message msg = mOperationsHandler.obtainMessage();
 183             msg.arg1 = startId;
 184             mOperationsHandler.sendMessage(msg);
 185         }
 186
 187         return START_NOT_STICKY;
 188     }
 189
 190     @Override
 191     public void onDestroy() {
 192         Log_OC.v(TAG, "Destroying service" );
 193         // Saving cookies
 194         try {
 195             OwnCloudClientManagerFactory.getDefaultSingleton().
 196                 saveAllClients(this, MainApp.getAccountType());
 197
 198             // TODO - get rid of these exceptions
 199         } catch (AccountNotFoundException e) {
 200             e.printStackTrace();
 201         } catch (AuthenticatorException e) {
 202             e.printStackTrace();
 203         } catch (OperationCanceledException e) {
 204             e.printStackTrace();
 205         } catch (IOException e) {
 206             e.printStackTrace();
 207         }
 208
 209         mUndispatchedFinishedOperations.clear();
 210
 211         mOperationsBinder = null;
 212
 213         mOperationsHandler.getLooper().quit();
 214         mOperationsHandler = null;
 215
 216         mSyncFolderHandler.getLooper().quit();
 217         mSyncFolderHandler = null;
 218
 219         super.onDestroy();
 220     }
 221
 222     /**
 223      * Provides a binder object that clients can use to perform actions on the queue of operations,
 224      * except the addition of new operations.
 225      */
 226     @Override
 227     public IBinder onBind(Intent intent) {
 228         //Log_OC.wtf(TAG, "onBind" );
 229         return mOperationsBinder;
 230     }
 231
 232
 233     /**
 234      * Called when ALL the bound clients were unbound.
 235      */
 236     @Override
 237     public boolean onUnbind(Intent intent) {
 238         mOperationsBinder.clearListeners();
 239         return false;   // not accepting rebinding (default behaviour)
 240     }
 241
 242
 243     /**
 244      *  Binder to let client components to perform actions on the queue of operations.
 245      *
 246      *  It provides by itself the available operations.
 247      */
 248     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 249
 250         /**
 251          * Map of listeners that will be reported about the end of operations from a {@link OperationsServiceBinder} instance
 252          */
 253         private ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 254                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 255
 256         private ServiceHandler mServiceHandler = null;
 257
 258         public OperationsServiceBinder(ServiceHandler serviceHandler) {
 259             mServiceHandler = serviceHandler;
 260         }
 261
 262
 263         /**
 264          * Cancels a pending or current synchronization.
 265          *
 266          * @param account       ownCloud account where the remote folder is stored.
 267          * @param file          A folder in the queue of pending synchronizations
 268          */
 269         public void cancel(Account account, OCFile file) {
 270             mSyncFolderHandler.cancel(account, file);
 271         }
 272
 273
 274         public void clearListeners() {
 275
 276             mBoundListeners.clear();
 277         }
 278
 279
 280         /**
 281          * Adds a listener interested in being reported about the end of operations.
 282          *
 283          * @param listener          Object to notify about the end of operations.
 284          * @param callbackHandler   {@link Handler} to access the listener without breaking Android threading protection.
 285          */
 286         public void addOperationListener (OnRemoteOperationListener listener, Handler callbackHandler) {
 287             synchronized (mBoundListeners) {
 288                 mBoundListeners.put(listener, callbackHandler);
 289             }
 290         }
 291
 292
 293         /**
 294          * Removes a listener from the list of objects interested in the being reported about the end of operations.
 295          *
 296          * @param listener      Object to notify about progress of transfer.
 297          */
 298         public void removeOperationListener (OnRemoteOperationListener listener) {
 299             synchronized (mBoundListeners) {
 300                 mBoundListeners.remove(listener);
 301             }
 302         }
 303
 304
 305         /**
 306          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 307          *
 308          * @return  'True' when an operation that enforces the user to wait for completion is in process.
 309          */
 310         public boolean isPerformingBlockingOperation() {
 311             return (!mServiceHandler.mPendingOperations.isEmpty());
 312         }
 313
 314
 315         /**
 316          * Creates and adds to the queue a new operation, as described by operationIntent.
 317          *
 318          * Calls startService to make the operation is processed by the ServiceHandler.
 319          *
 320          * @param operationIntent       Intent describing a new operation to queue and execute.
 321          * @return                      Identifier of the operation created, or null if failed.
 322          */
 323         public long queueNewOperation(Intent operationIntent) {
 324             Pair<Target, RemoteOperation> itemToQueue = newOperation(operationIntent);
 325             if (itemToQueue != null) {
 326                 mServiceHandler.mPendingOperations.add(itemToQueue);
 327                 startService(new Intent(OperationsService.this, OperationsService.class));
 328                 return itemToQueue.second.hashCode();
 329
 330             } else {
 331                 return Long.MAX_VALUE;
 332             }
 333         }
 334
 335
 336         public boolean dispatchResultIfFinished(int operationId, OnRemoteOperationListener listener) {
 337             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 338                     mUndispatchedFinishedOperations.remove(operationId);
 339             if (undispatched != null) {
 340                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 341                 return true;
 342                 //Log_OC.wtf(TAG, "Sending callback later");
 343             } else {
 344                 if (!mServiceHandler.mPendingOperations.isEmpty()) {
 345                     return true;
 346                 } else {
 347                     return false;
 348                 }
 349                 //Log_OC.wtf(TAG, "Not finished yet");
 350             }
 351         }
 352
 353
 354         /**
 355          * Returns True when the file described by 'file' in the ownCloud account 'account' is downloading or waiting
 356          * to download.
 357          *
 358          * If 'file' is a directory, returns 'true' if some of its descendant files is downloading or waiting
 359          * to download.
 360          *
 361          * @param account       ownCloud account where the remote file is stored.
 362          * @param remotePath    Path of the folder to check if something is synchronizing / downloading / uploading
 363          *                      inside.
 364          */
 365         public boolean isSynchronizing(Account account, String remotePath) {
 366             return mSyncFolderHandler.isSynchronizing(account, remotePath);
 367         }
 368
 369     }
 370
 371
 372     /**
 373      * Operations worker. Performs the pending operations in the order they were requested.
 374      *
 375      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 376      */
 377     private static class ServiceHandler extends Handler {
 378         // don't make it a final class, and don't remove the static ; lint will warn about a possible memory leak
 379
 380
 381         OperationsService mService;
 382
 383
 384         private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 385                 new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 386         private RemoteOperation mCurrentOperation = null;
 387         private Target mLastTarget = null;
 388         private OwnCloudClient mOwnCloudClient = null;
 389         private FileDataStorageManager mStorageManager;
 390
 391
 392         public ServiceHandler(Looper looper, OperationsService service) {
 393             super(looper);
 394             if (service == null) {
 395                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 396             }
 397             mService = service;
 398         }
 399
 400         @Override
 401         public void handleMessage(Message msg) {
 402             nextOperation();
 403             Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
 404             mService.stopSelf(msg.arg1);
 405         }
 406
 407
 408         /**
 409          * Performs the next operation in the queue
 410          */
 411         private void nextOperation() {
 412
 413             //Log_OC.wtf(TAG, "nextOperation init" );
 414
 415             Pair<Target, RemoteOperation> next = null;
 416             synchronized(mPendingOperations) {
 417                 next = mPendingOperations.peek();
 418             }
 419
 420             if (next != null) {
 421
 422                 mCurrentOperation = next.second;
 423                 RemoteOperationResult result = null;
 424                 try {
 425                     /// prepare client object to send the request to the ownCloud server
 426                     if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 427                         mLastTarget = next.first;
 428                         if (mLastTarget.mAccount != null) {
 429                             OwnCloudAccount ocAccount = new OwnCloudAccount(mLastTarget.mAccount, mService);
 430                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 431                                     getClientFor(ocAccount, mService);
 432                             mStorageManager = new FileDataStorageManager(
 433                                     mLastTarget.mAccount,
 434                                     mService.getContentResolver()
 435                             );
 436                         } else {
 437                             OwnCloudCredentials credentials = null;
 438                             if (mLastTarget.mCookie != null &&
 439                                     mLastTarget.mCookie.length() > 0) {
 440                                 // just used for GetUserName
 441                                 // TODO refactor to run GetUserName as AsyncTask in the context of AuthenticatorActivity
 442                                 credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 443                                         mLastTarget.mCookie); // SAML SSO
 444                             }
 445                             OwnCloudAccount ocAccount = new OwnCloudAccount(
 446                                     mLastTarget.mServerUrl, credentials);
 447                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 448                                     getClientFor(ocAccount, mService);
 449                             mStorageManager = null;
 450                         }
 451                     }
 452
 453                     /// perform the operation
 454                     if (mCurrentOperation instanceof SyncOperation) {
 455                         result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient, mStorageManager);
 456                     } else {
 457                         result = mCurrentOperation.execute(mOwnCloudClient);
 458                     }
 459
 460                 } catch (AccountsException e) {
 461                     if (mLastTarget.mAccount == null) {
 462                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 463                     } else {
 464                         Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 465                     }
 466                     result = new RemoteOperationResult(e);
 467
 468                 } catch (IOException e) {
 469                     if (mLastTarget.mAccount == null) {
 470                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account", e);
 471                     } else {
 472                         Log_OC.e(TAG, "Error while trying to get authorization for " + mLastTarget.mAccount.name, e);
 473                     }
 474                     result = new RemoteOperationResult(e);
 475                 } catch (Exception e) {
 476                     if (mLastTarget.mAccount == null) {
 477                         Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 478                     } else {
 479                         Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 480                     }
 481                     result = new RemoteOperationResult(e);
 482
 483                 } finally {
 484                     synchronized(mPendingOperations) {
 485                         mPendingOperations.poll();
 486                     }
 487                 }
 488
 489                 //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 490                 mService.dispatchResultToOperationListeners(mCurrentOperation, result);
 491             }
 492         }
 493
 494
 495
 496     }
 497
 498
 499     /**
 500      * Creates a new operation, as described by operationIntent.
 501      *
 502      * TODO - move to ServiceHandler (probably)
 503      *
 504      * @param operationIntent       Intent describing a new operation to queue and execute.
 505      * @return                      Pair with the new operation object and the information about its target server.
 506      */
 507     private Pair<Target , RemoteOperation> newOperation(Intent operationIntent) {
 508         RemoteOperation operation = null;
 509         Target target = null;
 510         try {
 511             if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 512                     !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 513                 Log_OC.e(TAG, "Not enough information provided in intent");
 514
 515             } else {
 516                 Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 517                 String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 518                 String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 519                 target = new Target(
 520                         account,
 521                         (serverUrl == null) ? null : Uri.parse(serverUrl),
 522                         cookie
 523                 );
 524
 525                 String action = operationIntent.getAction();
 526                 if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 527                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 528                     Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 529                     if (remotePath.length() > 0) {
 530                         operation = new CreateShareOperation(OperationsService.this, remotePath, ShareType.PUBLIC_LINK,
 531                                 "", false, "", 1, sendIntent);
 532                     }
 533
 534                 } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 535                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 536                     if (remotePath.length() > 0) {
 537                         operation = new UnshareLinkOperation(
 538                                 remotePath,
 539                                 OperationsService.this);
 540                     }
 541
 542                 } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 543                     // check OC server and get basic information from it
 544                     operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
 545
 546                 } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 547                     /// GET ACCESS TOKEN to the OAuth server
 548                     String oauth2QueryParameters =
 549                             operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 550                     operation = new OAuth2GetAccessToken(
 551                             getString(R.string.oauth2_client_id),
 552                             getString(R.string.oauth2_redirect_uri),
 553                             getString(R.string.oauth2_grant_type),
 554                             oauth2QueryParameters);
 555
 556                 } else if (action.equals(ACTION_GET_USER_NAME)) {
 557                     // Get User Name
 558                     operation = new GetRemoteUserNameOperation();
 559
 560                 } else if (action.equals(ACTION_RENAME)) {
 561                     // Rename file or folder
 562                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 563                     String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 564                     operation = new RenameFileOperation(remotePath, newName);
 565
 566                 } else if (action.equals(ACTION_REMOVE)) {
 567                     // Remove file or folder
 568                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 569                     boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL, false);
 570                     operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 571
 572                 } else if (action.equals(ACTION_CREATE_FOLDER)) {
 573                     // Create Folder
 574                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 575                     boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH, true);
 576                     operation = new CreateFolderOperation(remotePath, createFullPath);
 577
 578                 } else if (action.equals(ACTION_SYNC_FILE)) {
 579                     // Sync file
 580                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 581                     boolean syncFileContents = operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 582                     operation = new SynchronizeFileOperation(
 583                             remotePath, account, syncFileContents, getApplicationContext()
 584                     );
 585
 586                 } else if (action.equals(ACTION_SYNC_FOLDER)) {
 587                     // Sync file
 588                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 589                     operation = new SynchronizeFolderOperation(
 590                             this,                       // TODO remove this dependency from construction time
 591                             remotePath,
 592                             account,
 593                             System.currentTimeMillis()  // TODO remove this dependency from construction time
 594                     );
 595
 596                 } else if (action.equals(ACTION_MOVE_FILE)) {
 597                     // Move file/folder
 598                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 599                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 600                     operation = new MoveFileOperation(remotePath,newParentPath,account);
 601                 }
 602
 603             }
 604
 605         } catch (IllegalArgumentException e) {
 606             Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 607             operation = null;
 608         }
 609
 610         if (operation != null) {
 611             return new Pair<Target , RemoteOperation>(target, operation);
 612         } else {
 613             return null;
 614         }
 615     }
 616
 617
 618     /**
 619      * Sends a broadcast when a new operation is added to the queue.
 620      *
 621      * Local broadcasts are only delivered to activities in the same process, but can't be done sticky :\
 622      *
 623      * @param target            Account or URL pointing to an OC server.
 624      * @param operation         Added operation.
 625      */
 626     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 627         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 628         if (target.mAccount != null) {
 629             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 630         } else {
 631             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 632         }
 633         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 634         //lbm.sendBroadcast(intent);
 635         sendStickyBroadcast(intent);
 636     }
 637
 638
 639     // TODO - maybe add a notification for real start of operations
 640
 641     /**
 642      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities can update their view
 643      *
 644      * Local broadcasts are only delivered to activities in the same process.
 645      *
 646      * @param target            Account or URL pointing to an OC server.
 647      * @param operation         Finished operation.
 648      * @param result            Result of the operation.
 649      */
 650     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation, RemoteOperationResult result) {
 651         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 652         intent.putExtra(EXTRA_RESULT, result);
 653         if (target.mAccount != null) {
 654             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 655         } else {
 656             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 657         }
 658         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 659         //lbm.sendBroadcast(intent);
 660         sendStickyBroadcast(intent);
 661     }
 662
 663
 664     /**
 665      * Notifies the currently subscribed listeners about the end of an operation.
 666      *
 667      * @param operation         Finished operation.
 668      * @param result            Result of the operation.
 669      */
 670     protected void dispatchResultToOperationListeners(
 671             final RemoteOperation operation, final RemoteOperationResult result
 672     ) {
 673         int count = 0;
 674         Iterator<OnRemoteOperationListener> listeners = mOperationsBinder.mBoundListeners.keySet().iterator();
 675         while (listeners.hasNext()) {
 676             final OnRemoteOperationListener listener = listeners.next();
 677             final Handler handler = mOperationsBinder.mBoundListeners.get(listener);
 678             if (handler != null) {
 679                 handler.post(new Runnable() {
 680                     @Override
 681                     public void run() {
 682                         listener.onRemoteOperationFinish(operation, result);
 683                     }
 684                 });
 685                 count += 1;
 686             }
 687         }
 688         if (count == 0) {
 689             //mOperationResults.put(operation.hashCode(), result);
 690             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 691                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 692             mUndispatchedFinishedOperations.put(operation.hashCode(), undispatched);
 693         }
 694         Log_OC.d(TAG, "Called " + count + " listeners");
 695     }
 696 }