content: /*******************************************************************************
   * Software Name : RCS IMS Stack
   *
   * Copyright (C) 2010-2016 Orange.
   * Copyright (C) 2014 Sony Mobile Communications Inc.
   *
   * 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.
   *
   * NOTE: This file has been modified by Sony Mobile Communications Inc.
   * Modifications are licensed under the License.
   ******************************************************************************/
  
  package com.gsma.rcs.core.ims.service.im.chat;
  
  import com.gsma.rcs.core.ims.protocol.msrp.MsrpSession.TypeMsrpChunk;
  import com.gsma.services.rcs.chat.GroupChat;
  import com.gsma.services.rcs.chat.GroupChat.ParticipantStatus;
  import com.gsma.services.rcs.contact.ContactId;
  
  import java.util.Map;
  
  /**
   * Group chat session listener
   */
  public interface GroupChatSessionListener extends ChatSessionListener {
  
      /**
       * New conference event
       * 
       * @param contact Contact identifier
       * @param status ParticipantStatus for the contact
       * @param timestamp Local timestamp when got notification
       */
      void onConferenceEventReceived(ContactId contact, ParticipantStatus status, long timestamp);
  
      /**
       * A session invitation has been received
       * 
       * @param contact Remote contact
       * @param subject the subject
       * @param participants Participants
       * @param timestamp Local timestamp when got invitation
       */
      void onSessionInvited(ContactId contact, String subject,
              Map<ContactId, GroupChat.ParticipantStatus> participants, long timestamp);
  
      /**
       * Chat is auto-accepted and the session is in the process of being started
       * 
       * @param contact Remote contact
       * @param subject the subject
       * @param participants Participants
       * @param timestamp Local timestamp when got invitation
       */
      void onSessionAutoAccepted(ContactId contact, String subject,
              Map<ContactId, GroupChat.ParticipantStatus> participants, long timestamp);
  
      /**
       * One or several participants has been updated
       * 
       * @param updatedParticipants Updated participants
       * @param allParticipants All group participants
       */
      void onParticipantsUpdated(Map<ContactId, ParticipantStatus> updatedParticipants,
              Map<ContactId, ParticipantStatus> allParticipants);
  
      /**
       * Handle Delivery report send via MSRP Failure
       * 
       * @param msgId the message ID
       * @param chatId the chat ID
       * @param chunktype the chunk type
       */
      void onDeliveryReportSendViaMsrpFailure(String msgId, String chatId, TypeMsrpChunk chunktype);
  
      /**
       * Handle IM error
       * 
       * @param error Error
       */
      void onImError(ChatError error);
  }
  