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