content: /*******************************************************************************
   * Software Name : RCS IMS Stack
   *
   * Copyright (C) 2010-2016 Orange.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   ******************************************************************************/
  
  package com.gsma.rcs.ri.messaging.filetransfer.multi;
  
  import com.gsma.services.rcs.RcsServiceException;
  import com.gsma.services.rcs.filetransfer.FileTransferService;
  
  import java.util.List;
  
  /**
   * @author Philippe LEMORDANT
   */
  public interface ISendMultiFile {
  
      /**
       * Initialize
       */
      void initialize();
  
      /**
       * Transfers list of files
       * 
       * @param files to transfer
       * @return boolean
       */
      boolean transferFiles(List<FileTransferProperties> files);
  
      /**
       * Adds file transfer event listener
       * 
       * @param fileTransferService file transfer service
       * @throws RcsServiceException
       */
      void addFileTransferEventListener(FileTransferService fileTransferService)
              throws RcsServiceException;
  
      /**
       * Removes file transfer event listener
       * 
       * @param fileTransferService file transfer service
       * @throws RcsServiceException
       */
      void removeFileTransferEventListener(FileTransferService fileTransferService)
              throws RcsServiceException;
  
      /**
       * Checks if it is possible to initiate file transfer to group chat or single contact.
       * 
       * @param chatId the chat ID or contact ID in single chat
       * @return True if it is possible to initiate file transfer to group chat or single contact.
       * @throws RcsServiceException
       */
      boolean checkPermissionToSendFile(String chatId) throws RcsServiceException;
  }
  