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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* messagereceiver.h
*
* Sun Jun 16 12:09:06 CEST 2013
* Copyright 2013 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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.
*
* DrumGizmo 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 DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef __DRUMGIZMO_MESSAGERECEIVER_H__
#define __DRUMGIZMO_MESSAGERECEIVER_H__
#include <list>
#include "mutex.h"
#include "message.h"
#include "messagehandler.h"
class MessageReceiver {
friend class MessageHandler;
public:
MessageReceiver(message_receiver_id_t id);
~MessageReceiver();
/**
* Receive message from the message queue.
*/
Message *receiveMessage();
/**
* Receive message from the message queue without removing it.
*/
Message *peekMessage();
/**
* Add a message to the message queue.
*/
void sendMessage(Message *msg);
/**
* Handle messages from the event queue.
* @param max_number_of_events the maximum number of events to be handled in
* this call. 0 means all.
*/
void handleMessages(size_t max_number_of_events = 0);
/**
* Handler to be implemented in child classes.
* Handles a single event.
*/
virtual void handleMessage(Message *msg) = 0;
private:
Mutex message_mutex;
std::list<Message *> message_queue;
};
#endif/*__DRUMGIZMO_MESSAGERECEIVER_H__*/
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