Swiften/Chat/ChatStateNotifier.h

/*
 * Copyright (c) 2010 Kevin Smith
 * Licensed under the GNU General Public License v3.
 * See Documentation/Licenses/GPLv3.txt for more information.
 */

#pragma once

#include <Swiften/Base/boost_bsignals.h>
#include <boost/shared_ptr.hpp>

#include <Swiften/Base/API.h>
#include <Swiften/Elements/Message.h>
#include <Swiften/Elements/ChatState.h>
#include <Swiften/JID/JID.h>

namespace Swift {
  class StanzaChannel;
  class EntityCapsProvider;

  class SWIFTEN_API ChatStateNotifier {
    public:
      ChatStateNotifier(StanzaChannel* stanzaChannel, const JID& contact, EntityCapsProvider* entityCapsManager);
      ~ChatStateNotifier();

      void setContact(const JID& contact);

      void addChatStateRequest(Message::ref message);

      void setUserIsTyping();
      void userSentMessage();
      void userCancelledNewMessage();

      void receivedMessageFromContact(bool hasActiveElement);
      void setContactIsOnline(bool online);

    private:
      bool contactShouldReceiveStates();
      void changeState(ChatState::ChatStateType type);
      void handleCapsChanged(const JID& contact);

    private:
      StanzaChannel* stanzaChannel_;
      EntityCapsProvider* entityCapsManager_;
      JID contact_;
      bool contactHas85Caps_;
      bool contactHasSentActive_;
      bool userIsTyping_;
      bool contactIsOnline_;
  };
}