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