qcp/libqcp/qcp.h

#ifndef QCP_H
#define QCP_H

#include "libqcp_global.h"

#include <QObject>
#include <QLinkedList>

#include "../libqtavahi/qtavahi.h"

namespace QCP {
	class LIBQCPSHARED_EXPORT Share;
	class LIBQCPSHARED_EXPORT ShareDetails;
	class LIBQCPSHARED_EXPORT Browse;
}

namespace QCP {
	/* The private data of the Avahi::Service instances belongs to QCP ! :) */

	class LIBQCPSHARED_EXPORT Browse : public QObject {
		Q_OBJECT
	private:
		friend class QCP::Share;

		struct ShareData {
			QCP::ShareDetails *details;
			void *data;
		};

	public:
		Browse(QObject *parent = 0);

		Avahi::Browse* avahiBrowse() { return m_av_browse; }

		inline bool start() { return m_av_browse->start(); }
		inline void stop() { m_av_browse->stop(); }

	signals:
		void found(QCP::Share s);
		void lost(QCP::Share s);

		void started();
		void stopped();

	private slots:
		void foundService(Avahi::Service s);
		void lostService(Avahi::Service s);

	private:
		static inline ShareData* shareData(const Avahi::Service &service) {
			return static_cast<ShareData*>(service.data());
		}

		Avahi::Browse *m_av_browse;
	};

	class LIBQCPSHARED_EXPORT ShareDetails {
	protected:
		ShareDetails(const Avahi::Service &service) : m_service(service) { }

	public:
		virtual ~ShareDetails() { }

		virtual QString methodName() = 0;

		Avahi::Service service() const { return m_service; }

	protected:
		Avahi::Service m_service;
	};

	class LIBQCPSHARED_EXPORT Share {
	private:
		friend class QCP::Browse;

	public:
		inline Share(Avahi::Service service) : m_service(service) { }
		inline Share() { }

	public:
		Avahi::Service avahiService() const { return m_service; }

		inline void* data() const {
			Browse::ShareData *sd = Browse::shareData(m_service);
			return sd ? sd->data : 0;
		}
		inline void setData(void *data) const {
			Browse::ShareData *sd = Browse::shareData(m_service);
			if (sd) sd->data = data;
		}

		inline QCP::ShareDetails* details() const {
			Browse::ShareData *sd = Browse::shareData(m_service);
			return sd ? sd->details : 0;
		}

	private:
		Avahi::Service m_service;
	};
}

Q_DECLARE_METATYPE(QCP::Share);
Q_DECLARE_METATYPE(QList<QCP::Share>);

#endif // QCP_H