/*
 * AbstractMessagesCountNotifier.hpp
 * Copyright (C) 2017  Belledonne Communications, Grenoble, France
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 *  Created on: June 29, 2017
 *      Author: Ronan Abhamon
 */

#include <memory>

#include <QObject>

// =============================================================================

namespace linphone {
  class ChatMessage;
}

class ChatModel;

class AbstractMessagesCountNotifier : public QObject {
  Q_OBJECT;

public:
  AbstractMessagesCountNotifier (QObject *parent = Q_NULLPTR);
  virtual ~AbstractMessagesCountNotifier () = default;

  void updateUnreadMessagesCount ();

protected:
  virtual void notifyUnreadMessagesCount (int n) = 0;

private:
  void internalNotifyUnreadMessagesCount ();

  void handleChatModelCreated (const std::shared_ptr<ChatModel> &chatModel);
  void handleMessageReceived (const std::shared_ptr<linphone::ChatMessage> &message);

  int mUnreadMessagesCount = 0;
};
