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;
  
  import com.gsma.rcs.core.ims.service.ImsServiceSession.TerminationReason;
  import com.gsma.services.rcs.contact.ContactId;
  
  /**
   * Listener of events sent during an IMS session
   * 
   * @author JM. Auffret
   */
  public interface ImsSessionListener {
      /**
       * Session is started
       * 
       * @param contact Remote contact
       */
      public void onSessionStarted(ContactId contact);
  
      /**
       * Session has been aborted
       * 
       * @param contact Remote contact
       * @param reason Termination reason
       */
      public void onSessionAborted(ContactId contact, TerminationReason reason);
  
      /**
       * Session is being rejected by user
       * 
       * @param contact Remote contact
       * @param reason Termination reason
       */
      public void onSessionRejected(ContactId contact, TerminationReason reason);
  
      /**
       * Accept has been called and the session is in the process of being started
       * 
       * @param contact Remote contact
       */
      public void onSessionAccepting(ContactId contact);
  }
  