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 android.accounts.Account;
  23 import android.accounts.AccountsException;
  24 import android.accounts.AuthenticatorException;
  25 import android.accounts.OperationCanceledException;
  26 import android.app.Service;
  27 import android.content.Intent;
  28 import android.net.Uri;
  29 import android.os.Binder;
  30 import android.os.Handler;
  31 import android.os.HandlerThread;
  32 import android.os.IBinder;
  33 import android.os.Looper;
  34 import android.os.Message;
  35 import android.os.Process;
  36 import android.util.Pair;
  37
  38 import com.owncloud.android.MainApp;
  39 import com.owncloud.android.R;
  40 import com.owncloud.android.datamodel.FileDataStorageManager;
  41 import com.owncloud.android.datamodel.OCFile;
  42 import com.owncloud.android.lib.common.OwnCloudAccount;
  43 import com.owncloud.android.lib.common.OwnCloudClient;
  44 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  45 import com.owncloud.android.lib.common.OwnCloudCredentials;
  46 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  47 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  48 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  49 import com.owncloud.android.lib.common.operations.RemoteOperation;
  50 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  51 import com.owncloud.android.lib.common.utils.Log_OC;
  52 import com.owncloud.android.lib.resources.shares.ShareType;
  53 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  54 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  55 import com.owncloud.android.operations.CopyFileOperation;
  56 import com.owncloud.android.operations.DownloadFolderOperation;
  57 import com.owncloud.android.operations.CreateFolderOperation;
  58 import com.owncloud.android.operations.CreateShareOperation;
  59 import com.owncloud.android.operations.GetServerInfoOperation;
  60 import com.owncloud.android.operations.MoveFileOperation;
  61 import com.owncloud.android.operations.OAuth2GetAccessToken;
  62 import com.owncloud.android.operations.RemoveFileOperation;
  63 import com.owncloud.android.operations.RenameFileOperation;
  64 import com.owncloud.android.operations.SynchronizeFileOperation;
  65 import com.owncloud.android.operations.SynchronizeFolderOperation;
  66 import com.owncloud.android.operations.UnshareLinkOperation;
  67 import com.owncloud.android.operations.common.SyncOperation;
  68
  69 import java.io.IOException;
  70 import java.util.Iterator;
  71 import java.util.concurrent.ConcurrentHashMap;
  72 import java.util.concurrent.ConcurrentLinkedQueue;
  73 import java.util.concurrent.ConcurrentMap;
  74
  75 public class OperationsService extends Service {
  76
  77     private static final String TAG = OperationsService.class.getSimpleName();
  78
  79     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  80     public static final String EXTRA_SERVER_URL = "SERVER_URL";
  81     public static final String EXTRA_OAUTH2_QUERY_PARAMETERS = "OAUTH2_QUERY_PARAMETERS";
  82     public static final String EXTRA_REMOTE_PATH = "REMOTE_PATH";
  83     public static final String EXTRA_SEND_INTENT = "SEND_INTENT";
  84     public static final String EXTRA_NEWNAME = "NEWNAME";
  85     public static final String EXTRA_REMOVE_ONLY_LOCAL = "REMOVE_LOCAL_COPY";
  86     public static final String EXTRA_CREATE_FULL_PATH = "CREATE_FULL_PATH";
  87     public static final String EXTRA_SYNC_FILE_CONTENTS = "SYNC_FILE_CONTENTS";
  88     public static final String EXTRA_RESULT = "RESULT";
  89     public static final String EXTRA_NEW_PARENT_PATH = "NEW_PARENT_PATH";
  90     public static final String EXTRA_FILE = "FILE";
  91     public static final String EXTRA_PASSWORD_SHARE = "PASSWORD_SHARE";
  92
  93     public static final String EXTRA_COOKIE = "COOKIE";
  94
  95     public static final String ACTION_CREATE_SHARE = "CREATE_SHARE";
  96     public static final String ACTION_UNSHARE = "UNSHARE";
  97     public static final String ACTION_GET_SERVER_INFO = "GET_SERVER_INFO";
  98     public static final String ACTION_OAUTH2_GET_ACCESS_TOKEN = "OAUTH2_GET_ACCESS_TOKEN";
  99     public static final String ACTION_GET_USER_NAME = "GET_USER_NAME";
 100     public static final String ACTION_RENAME = "RENAME";
 101     public static final String ACTION_REMOVE = "REMOVE";
 102     public static final String ACTION_CREATE_FOLDER = "CREATE_FOLDER";
 103     public static final String ACTION_SYNC_FILE = "SYNC_FILE";
 104     public static final String ACTION_SYNC_FOLDER = "SYNC_FOLDER";
 105     public static final String ACTION_DOWNLOAD_FOLDER = "DOWNLOAD_FOLDER" ;
 106     public static final String ACTION_MOVE_FILE = "MOVE_FILE";
 107     public static final String ACTION_COPY_FILE = "COPY_FILE";
 108
 109     public static final String ACTION_OPERATION_ADDED = OperationsService.class.getName() +
 110             ".OPERATION_ADDED";
 111     public static final String ACTION_OPERATION_FINISHED = OperationsService.class.getName() +
 112             ".OPERATION_FINISHED";
 113
 114
 115
 116     private ConcurrentMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>
 117             mUndispatchedFinishedOperations =
 118             new ConcurrentHashMap<Integer, Pair<RemoteOperation, RemoteOperationResult>>();
 119
 120     private static class Target {
 121         public Uri mServerUrl = null;
 122         public Account mAccount = null;
 123         public String mCookie = null;
 124
 125         public Target(Account account, Uri serverUrl, String cookie) {
 126             mAccount = account;
 127             mServerUrl = serverUrl;
 128             mCookie = cookie;
 129         }
 130     }
 131
 132     private ServiceHandler mOperationsHandler;
 133     private OperationsServiceBinder mOperationsBinder;
 134
 135     private SyncFolderHandler mSyncFolderHandler;
 136
 137     /**
 138      * Service initialization
 139      */
 140     @Override
 141     public void onCreate() {
 142         super.onCreate();
 143         Log_OC.d(TAG, "Creating service");
 144
 145         /// First worker thread for most of operations
 146         HandlerThread thread = new HandlerThread("Operations thread",
 147                 Process.THREAD_PRIORITY_BACKGROUND);
 148         thread.start();
 149         mOperationsHandler = new ServiceHandler(thread.getLooper(), this);
 150         mOperationsBinder = new OperationsServiceBinder(mOperationsHandler);
 151
 152         /// Separated worker thread for download of folders (WIP)
 153         thread = new HandlerThread("Syncfolder thread", Process.THREAD_PRIORITY_BACKGROUND);
 154         thread.start();
 155         mSyncFolderHandler = new SyncFolderHandler(thread.getLooper(), this);
 156     }
 157
 158
 159     /**
 160      * Entry point to add a new operation to the queue of operations.
 161      * <p/>
 162      * New operations are added calling to startService(), resulting in a call to this method.
 163      * This ensures the service will keep on working although the caller activity goes away.
 164      */
 165     @Override
 166     public int onStartCommand(Intent intent, int flags, int startId) {
 167         Log_OC.d(TAG, "Starting command with id " + startId);
 168
 169         // WIP: for the moment, only SYNC_FOLDER is expected here;
 170         // the rest of the operations are requested through the Binder
 171         if (ACTION_SYNC_FOLDER.equals(intent.getAction())) {
 172
 173             if (!intent.hasExtra(EXTRA_ACCOUNT) || !intent.hasExtra(EXTRA_REMOTE_PATH)) {
 174                 Log_OC.e(TAG, "Not enough information provided in intent");
 175                 return START_NOT_STICKY;
 176             }
 177             Account account = intent.getParcelableExtra(EXTRA_ACCOUNT);
 178             String remotePath = intent.getStringExtra(EXTRA_REMOTE_PATH);
 179
 180             Pair<Account, String> itemSyncKey =  new Pair<Account , String>(account, remotePath);
 181
 182             Pair<Target, RemoteOperation> itemToQueue = newOperation(intent);
 183             if (itemToQueue != null) {
 184                 mSyncFolderHandler.add(account, remotePath,
 185                         (SynchronizeFolderOperation)itemToQueue.second);
 186                 Message msg = mSyncFolderHandler.obtainMessage();
 187                 msg.arg1 = startId;
 188                 msg.obj = itemSyncKey;
 189                 mSyncFolderHandler.sendMessage(msg);
 190             }
 191
 192         } else {
 193             Message msg = mOperationsHandler.obtainMessage();
 194             msg.arg1 = startId;
 195             mOperationsHandler.sendMessage(msg);
 196         }
 197
 198         return START_NOT_STICKY;
 199     }
 200
 201     @Override
 202     public void onDestroy() {
 203         Log_OC.v(TAG, "Destroying service" );
 204         // Saving cookies
 205         try {
 206             OwnCloudClientManagerFactory.getDefaultSingleton().
 207                     saveAllClients(this, MainApp.getAccountType());
 208
 209             // TODO - get rid of these exceptions
 210         } catch (AccountNotFoundException e) {
 211             e.printStackTrace();
 212         } catch (AuthenticatorException e) {
 213             e.printStackTrace();
 214         } catch (OperationCanceledException e) {
 215             e.printStackTrace();
 216         } catch (IOException e) {
 217             e.printStackTrace();
 218         }
 219
 220         mUndispatchedFinishedOperations.clear();
 221
 222         mOperationsBinder = null;
 223
 224         mOperationsHandler.getLooper().quit();
 225         mOperationsHandler = null;
 226
 227         mSyncFolderHandler.getLooper().quit();
 228         mSyncFolderHandler = null;
 229
 230         super.onDestroy();
 231     }
 232
 233     /**
 234      * Provides a binder object that clients can use to perform actions on the queue of operations,
 235      * except the addition of new operations.
 236      */
 237     @Override
 238     public IBinder onBind(Intent intent) {
 239         //Log_OC.wtf(TAG, "onBind" );
 240         return mOperationsBinder;
 241     }
 242
 243
 244     /**
 245      * Called when ALL the bound clients were unbound.
 246      */
 247     @Override
 248     public boolean onUnbind(Intent intent) {
 249         mOperationsBinder.clearListeners();
 250         return false;   // not accepting rebinding (default behaviour)
 251     }
 252
 253
 254     /**
 255      * Binder to let client components to perform actions on the queue of operations.
 256      * <p/>
 257      * It provides by itself the available operations.
 258      */
 259     public class OperationsServiceBinder extends Binder /* implements OnRemoteOperationListener */ {
 260
 261         /**
 262          * Map of listeners that will be reported about the end of operations from a
 263          * {@link OperationsServiceBinder} instance
 264          */
 265         private final ConcurrentMap<OnRemoteOperationListener, Handler> mBoundListeners =
 266                 new ConcurrentHashMap<OnRemoteOperationListener, Handler>();
 267
 268         private ServiceHandler mServiceHandler = null;
 269
 270         public OperationsServiceBinder(ServiceHandler serviceHandler) {
 271             mServiceHandler = serviceHandler;
 272         }
 273
 274
 275         /**
 276          * Cancels a pending or current synchronization.
 277          *
 278          * @param account       ownCloud account where the remote folder is stored.
 279          * @param file          A folder in the queue of pending synchronizations
 280          */
 281         public void cancel(Account account, OCFile file) {
 282             mSyncFolderHandler.cancel(account, file);
 283         }
 284
 285
 286         public void clearListeners() {
 287
 288             mBoundListeners.clear();
 289         }
 290
 291
 292         /**
 293          * Adds a listener interested in being reported about the end of operations.
 294          *
 295          * @param listener          Object to notify about the end of operations.
 296          * @param callbackHandler   {@link Handler} to access the listener without
 297          *                                         breaking Android threading protection.
 298          */
 299         public void addOperationListener (OnRemoteOperationListener listener,
 300                                           Handler callbackHandler) {
 301             synchronized (mBoundListeners) {
 302                 mBoundListeners.put(listener, callbackHandler);
 303             }
 304         }
 305
 306
 307         /**
 308          * Removes a listener from the list of objects interested in the being reported about
 309          * the end of operations.
 310          *
 311          * @param listener      Object to notify about progress of transfer.
 312          */
 313         public void removeOperationListener(OnRemoteOperationListener listener) {
 314             synchronized (mBoundListeners) {
 315                 mBoundListeners.remove(listener);
 316             }
 317         }
 318
 319
 320         /**
 321          * TODO - IMPORTANT: update implementation when more operations are moved into the service
 322          *
 323          * @return  'True' when an operation that enforces the user to wait for completion is
 324          *          in process.
 325          */
 326         public boolean isPerformingBlockingOperation() {
 327             return (!mServiceHandler.mPendingOperations.isEmpty());
 328         }
 329
 330
 331         /**
 332          * Creates and adds to the queue a new operation, as described by operationIntent.
 333          *
 334          * Calls startService to make the operation is processed by the ServiceHandler.
 335          *
 336          * @param operationIntent       Intent describing a new operation to queue and execute.
 337          * @return                      Identifier of the operation created, or null if failed.
 338          */
 339         public long queueNewOperation(Intent operationIntent) {
 340             Pair<Target, RemoteOperation> itemToQueue = newOperation(operationIntent);
 341             if (itemToQueue != null) {
 342                 mServiceHandler.mPendingOperations.add(itemToQueue);
 343                 startService(new Intent(OperationsService.this, OperationsService.class));
 344                 return itemToQueue.second.hashCode();
 345
 346             } else {
 347                 return Long.MAX_VALUE;
 348             }
 349         }
 350
 351
 352         public boolean dispatchResultIfFinished(int operationId,
 353                                                 OnRemoteOperationListener listener) {
 354             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 355                     mUndispatchedFinishedOperations.remove(operationId);
 356             if (undispatched != null) {
 357                 listener.onRemoteOperationFinish(undispatched.first, undispatched.second);
 358                 return true;
 359                 //Log_OC.wtf(TAG, "Sending callback later");
 360             } else {
 361                 return (!mServiceHandler.mPendingOperations.isEmpty());
 362             }
 363         }
 364
 365
 366         /**
 367          * Returns True when the file described by 'file' in the ownCloud account 'account' is
 368          * downloading or waiting to download.
 369          *
 370          * If 'file' is a directory, returns 'true' if some of its descendant files is downloading
 371          * or waiting to download.
 372          *
 373          * @param account       ownCloud account where the remote file is stored.
 374          * @param remotePath    Path of the folder to check if something is synchronizing
 375          *                      / downloading / uploading inside.
 376          */
 377         public boolean isSynchronizing(Account account, String remotePath) {
 378             return mSyncFolderHandler.isSynchronizing(account, remotePath);
 379         }
 380
 381     }
 382
 383
 384     /**
 385      * Operations worker. Performs the pending operations in the order they were requested.
 386      *
 387      * Created with the Looper of a new thread, started in {@link OperationsService#onCreate()}.
 388      */
 389     private static class ServiceHandler extends Handler {
 390         // don't make it a final class, and don't remove the static ; lint will warn about a p
 391         // ossible memory leak
 392
 393
 394         OperationsService mService;
 395
 396
 397         private ConcurrentLinkedQueue<Pair<Target, RemoteOperation>> mPendingOperations =
 398                 new ConcurrentLinkedQueue<Pair<Target, RemoteOperation>>();
 399         private RemoteOperation mCurrentOperation = null;
 400         private Target mLastTarget = null;
 401         private OwnCloudClient mOwnCloudClient = null;
 402         private FileDataStorageManager mStorageManager;
 403
 404
 405         public ServiceHandler(Looper looper, OperationsService service) {
 406             super(looper);
 407             if (service == null) {
 408                 throw new IllegalArgumentException("Received invalid NULL in parameter 'service'");
 409             }
 410             mService = service;
 411         }
 412
 413         @Override
 414         public void handleMessage(Message msg) {
 415             nextOperation();
 416             Log_OC.d(TAG, "Stopping after command with id " + msg.arg1);
 417             mService.stopSelf(msg.arg1);
 418         }
 419
 420
 421         /**
 422          * Performs the next operation in the queue
 423          */
 424         private void nextOperation() {
 425
 426             //Log_OC.wtf(TAG, "nextOperation init" );
 427
 428             Pair<Target, RemoteOperation> next = null;
 429             synchronized(mPendingOperations) {
 430                 next = mPendingOperations.peek();
 431             }
 432
 433             if (next != null) {
 434
 435                 mCurrentOperation = next.second;
 436                 RemoteOperationResult result = null;
 437                 try {
 438                     /// prepare client object to send the request to the ownCloud server
 439                     if (mLastTarget == null || !mLastTarget.equals(next.first)) {
 440                         mLastTarget = next.first;
 441                         if (mLastTarget.mAccount != null) {
 442                             OwnCloudAccount ocAccount = new OwnCloudAccount(mLastTarget.mAccount,
 443                                     mService);
 444                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 445                                     getClientFor(ocAccount, mService);
 446
 447                             OwnCloudVersion version = com.owncloud.android.authentication.AccountUtils.getServerVersion(
 448                                     mLastTarget.mAccount
 449                             );
 450                             mOwnCloudClient.setOwnCloudVersion(version);
 451
 452                             mStorageManager = new FileDataStorageManager(
 453                                     mLastTarget.mAccount,
 454                                     mService.getContentResolver()
 455                             );
 456                         } else {
 457                             OwnCloudCredentials credentials = null;
 458                             if (mLastTarget.mCookie != null &&
 459                                     mLastTarget.mCookie.length() > 0) {
 460                                 // just used for GetUserName
 461                                 // TODO refactor to run GetUserName as AsyncTask in the context of
 462                                 // AuthenticatorActivity
 463                                 credentials = OwnCloudCredentialsFactory.newSamlSsoCredentials(
 464                                         null,                   // unknown
 465                                         mLastTarget.mCookie);   // SAML SSO
 466                             }
 467                             OwnCloudAccount ocAccount = new OwnCloudAccount(
 468                                     mLastTarget.mServerUrl, credentials);
 469                             mOwnCloudClient = OwnCloudClientManagerFactory.getDefaultSingleton().
 470                                     getClientFor(ocAccount, mService);
 471                             mStorageManager = null;
 472                         }
 473                     }
 474
 475                     /// perform the operation
 476                     if (mCurrentOperation instanceof SyncOperation) {
 477                         result = ((SyncOperation)mCurrentOperation).execute(mOwnCloudClient,
 478                                 mStorageManager);
 479                     } else {
 480                         result = mCurrentOperation.execute(mOwnCloudClient);
 481                     }
 482
 483                 } catch (AccountsException e) {
 484                     if (mLastTarget.mAccount == null) {
 485                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account",
 486                                 e);
 487                     } else {
 488                         Log_OC.e(TAG, "Error while trying to get authorization for " +
 489                                 mLastTarget.mAccount.name, e);
 490                     }
 491                     result = new RemoteOperationResult(e);
 492
 493                 } catch (IOException e) {
 494                     if (mLastTarget.mAccount == null) {
 495                         Log_OC.e(TAG, "Error while trying to get authorization for a NULL account",
 496                                 e);
 497                     } else {
 498                         Log_OC.e(TAG, "Error while trying to get authorization for " +
 499                                 mLastTarget.mAccount.name, e);
 500                     }
 501                     result = new RemoteOperationResult(e);
 502                 } catch (Exception e) {
 503                     if (mLastTarget.mAccount == null) {
 504                         Log_OC.e(TAG, "Unexpected error for a NULL account", e);
 505                     } else {
 506                         Log_OC.e(TAG, "Unexpected error for " + mLastTarget.mAccount.name, e);
 507                     }
 508                     result = new RemoteOperationResult(e);
 509
 510                 } finally {
 511                     synchronized(mPendingOperations) {
 512                         mPendingOperations.poll();
 513                     }
 514                 }
 515
 516                 //sendBroadcastOperationFinished(mLastTarget, mCurrentOperation, result);
 517                 mService.dispatchResultToOperationListeners(mCurrentOperation, result);
 518             }
 519         }
 520
 521
 522
 523     }
 524
 525
 526     /**
 527      * Creates a new operation, as described by operationIntent.
 528      *
 529      * TODO - move to ServiceHandler (probably)
 530      *
 531      * @param operationIntent       Intent describing a new operation to queue and execute.
 532      * @return                      Pair with the new operation object and the information about its
 533      *                              target server.
 534      */
 535     private Pair<Target , RemoteOperation> newOperation(Intent operationIntent) {
 536         RemoteOperation operation = null;
 537         Target target = null;
 538         try {
 539             if (!operationIntent.hasExtra(EXTRA_ACCOUNT) &&
 540                     !operationIntent.hasExtra(EXTRA_SERVER_URL)) {
 541                 Log_OC.e(TAG, "Not enough information provided in intent");
 542
 543             } else {
 544                 Account account = operationIntent.getParcelableExtra(EXTRA_ACCOUNT);
 545                 String serverUrl = operationIntent.getStringExtra(EXTRA_SERVER_URL);
 546                 String cookie = operationIntent.getStringExtra(EXTRA_COOKIE);
 547                 target = new Target(
 548                         account,
 549                         (serverUrl == null) ? null : Uri.parse(serverUrl),
 550                         cookie
 551                 );
 552
 553                 String action = operationIntent.getAction();
 554                 if (action.equals(ACTION_CREATE_SHARE)) {  // Create Share
 555                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 556                     String password = operationIntent.getStringExtra(EXTRA_PASSWORD_SHARE);
 557                     Intent sendIntent = operationIntent.getParcelableExtra(EXTRA_SEND_INTENT);
 558                     if (remotePath.length() > 0) {
 559                         operation = new CreateShareOperation(OperationsService.this, remotePath,
 560                                 ShareType.PUBLIC_LINK,
 561                                 "", false, password, 1, sendIntent);
 562                     }
 563
 564                 } else if (action.equals(ACTION_UNSHARE)) {  // Unshare file
 565                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 566                     if (remotePath.length() > 0) {
 567                         operation = new UnshareLinkOperation(
 568                                 remotePath,
 569                                 OperationsService.this);
 570                     }
 571
 572                 } else if (action.equals(ACTION_GET_SERVER_INFO)) {
 573                     // check OC server and get basic information from it
 574                     operation = new GetServerInfoOperation(serverUrl, OperationsService.this);
 575
 576                 } else if (action.equals(ACTION_OAUTH2_GET_ACCESS_TOKEN)) {
 577                     /// GET ACCESS TOKEN to the OAuth server
 578                     String oauth2QueryParameters =
 579                             operationIntent.getStringExtra(EXTRA_OAUTH2_QUERY_PARAMETERS);
 580                     operation = new OAuth2GetAccessToken(
 581                             getString(R.string.oauth2_client_id),
 582                             getString(R.string.oauth2_redirect_uri),
 583                             getString(R.string.oauth2_grant_type),
 584                             oauth2QueryParameters);
 585
 586                 } else if (action.equals(ACTION_GET_USER_NAME)) {
 587                     // Get User Name
 588                     operation = new GetRemoteUserNameOperation();
 589
 590                 } else if (action.equals(ACTION_RENAME)) {
 591                     // Rename file or folder
 592                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 593                     String newName = operationIntent.getStringExtra(EXTRA_NEWNAME);
 594                     operation = new RenameFileOperation(remotePath, newName);
 595
 596                 } else if (action.equals(ACTION_REMOVE)) {
 597                     // Remove file or folder
 598                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 599                     boolean onlyLocalCopy = operationIntent.getBooleanExtra(EXTRA_REMOVE_ONLY_LOCAL,
 600                             false);
 601                     operation = new RemoveFileOperation(remotePath, onlyLocalCopy);
 602
 603                 } else if (action.equals(ACTION_CREATE_FOLDER)) {
 604                     // Create Folder
 605                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 606                     boolean createFullPath = operationIntent.getBooleanExtra(EXTRA_CREATE_FULL_PATH,
 607                             true);
 608                     operation = new CreateFolderOperation(remotePath, createFullPath);
 609
 610                 } else if (action.equals(ACTION_SYNC_FILE)) {
 611                     // Sync file
 612                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 613                     boolean syncFileContents =
 614                             operationIntent.getBooleanExtra(EXTRA_SYNC_FILE_CONTENTS, true);
 615                     operation = new SynchronizeFileOperation(
 616                             remotePath, account, syncFileContents, getApplicationContext()
 617                     );
 618
 619                 } else if (action.equals(ACTION_SYNC_FOLDER)) {
 620                     // Sync folder (all its descendant files are sync'ed)
 621                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 622                     operation = new SynchronizeFolderOperation(
 623                             this,                       // TODO remove this dependency from construction time
 624                             remotePath,
 625                             account,
 626                             System.currentTimeMillis()  // TODO remove this dependency from construction time
 627                     );
 628
 629                 } else if (action.equals(ACTION_DOWNLOAD_FOLDER)) { // TODO remove when sync of folders is good enough
 630                     // Download folder (all its descendant files are downloaded)
 631                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 632                     operation = new DownloadFolderOperation(
 633                             this,
 634                             remotePath,
 635                             account,
 636                             System.currentTimeMillis()
 637                     );
 638
 639                 } else if (action.equals(ACTION_MOVE_FILE)) {
 640                     // Move file/folder
 641                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 642                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 643                     operation = new MoveFileOperation(remotePath, newParentPath, account);
 644
 645                 } else if (action.equals(ACTION_COPY_FILE)) {
 646                     // Copy file/folder
 647                     String remotePath = operationIntent.getStringExtra(EXTRA_REMOTE_PATH);
 648                     String newParentPath = operationIntent.getStringExtra(EXTRA_NEW_PARENT_PATH);
 649                     operation = new CopyFileOperation(remotePath, newParentPath, account);
 650                 }
 651             }
 652
 653         } catch (IllegalArgumentException e) {
 654             Log_OC.e(TAG, "Bad information provided in intent: " + e.getMessage());
 655             operation = null;
 656         }
 657
 658         if (operation != null) {
 659             return new Pair<Target , RemoteOperation>(target, operation);
 660         } else {
 661             return null;
 662         }
 663     }
 664
 665
 666     /**
 667      * Sends a broadcast when a new operation is added to the queue.
 668      *
 669      * Local broadcasts are only delivered to activities in the same process, but can't be
 670      * done sticky :\
 671      *
 672      * @param target            Account or URL pointing to an OC server.
 673      * @param operation         Added operation.
 674      */
 675     private void sendBroadcastNewOperation(Target target, RemoteOperation operation) {
 676         Intent intent = new Intent(ACTION_OPERATION_ADDED);
 677         if (target.mAccount != null) {
 678             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 679         } else {
 680             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 681         }
 682         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 683         //lbm.sendBroadcast(intent);
 684         sendStickyBroadcast(intent);
 685     }
 686
 687
 688     // TODO - maybe add a notification for real start of operations
 689
 690     /**
 691      * Sends a LOCAL broadcast when an operations finishes in order to the interested activities c
 692      * an update their view
 693      *
 694      * Local broadcasts are only delivered to activities in the same process.
 695      *
 696      * @param target    Account or URL pointing to an OC server.
 697      * @param operation Finished operation.
 698      * @param result    Result of the operation.
 699      */
 700     private void sendBroadcastOperationFinished(Target target, RemoteOperation operation,
 701                                                 RemoteOperationResult result) {
 702         Intent intent = new Intent(ACTION_OPERATION_FINISHED);
 703         intent.putExtra(EXTRA_RESULT, result);
 704         if (target.mAccount != null) {
 705             intent.putExtra(EXTRA_ACCOUNT, target.mAccount);
 706         } else {
 707             intent.putExtra(EXTRA_SERVER_URL, target.mServerUrl);
 708         }
 709         //LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
 710         //lbm.sendBroadcast(intent);
 711         sendStickyBroadcast(intent);
 712     }
 713
 714
 715     /**
 716      * Notifies the currently subscribed listeners about the end of an operation.
 717      *
 718      * @param operation         Finished operation.
 719      * @param result            Result of the operation.
 720      */
 721     protected void dispatchResultToOperationListeners(
 722             final RemoteOperation operation, final RemoteOperationResult result
 723     ) {
 724         int count = 0;
 725         Iterator<OnRemoteOperationListener> listeners =
 726                 mOperationsBinder.mBoundListeners.keySet().iterator();
 727         while (listeners.hasNext()) {
 728             final OnRemoteOperationListener listener = listeners.next();
 729             final Handler handler = mOperationsBinder.mBoundListeners.get(listener);
 730             if (handler != null) {
 731                 handler.post(new Runnable() {
 732                     @Override
 733                     public void run() {
 734                         listener.onRemoteOperationFinish(operation, result);
 735                     }
 736                 });
 737                 count += 1;
 738             }
 739         }
 740         if (count == 0) {
 741             //mOperationResults.put(operation.hashCode(), result);
 742             Pair<RemoteOperation, RemoteOperationResult> undispatched =
 743                     new Pair<RemoteOperation, RemoteOperationResult>(operation, result);
 744             mUndispatchedFinishedOperations.put(((Runnable) operation).hashCode(), undispatched);
 745         }
 746         Log_OC.d(TAG, "Called " + count + " listeners");
 747     }
 748 }