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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
//! clanSignal="System"
//! header=signals.h
#ifndef header_slot_generic
#define header_slot_generic
#ifdef CL_API_DLL
#ifdef CL_SIGNALS_EXPORT
#define CL_API_SIGNALS __declspec(dllexport)
#else
#define CL_API_SIGNALS __declspec(dllimport)
#endif
#else
#define CL_API_SIGNALS
#endif
#if _MSC_VER > 1000
#pragma once
#endif
#include <list>
#include "signal.h"
class CL_Slot;
//: Slot Generic Class
//- !group=Signal/System!
//- !header=signals.h!
class CL_API_SIGNALS CL_Slot_Generic
{
//! Construction:
public:
//: Slot Generic Constructor
CL_Slot_Generic();
//: Slot Generic Destructor
virtual ~CL_Slot_Generic();
//! Attributes:
public:
//: Get slot ref
int get_slot_ref() const;
//: Get signal ref
int get_signal_ref() const;
//: Returns true if persistent.
//- <p>If the slot is persistent, it will remain connected to
//- signals even when all references to CL_Slot are gone.</p>
bool is_persistent() const;
//! Operations:
public:
//: Add slot ref
void add_slot_ref();
//: Release slot ref
void release_slot_ref();
//: Add signal ref
void add_signal_ref(CL_Signal *signal);
//: Release signal ref
void release_signal_ref(CL_Signal *signal);
//: Sets the persistent flag.
//- <p>If the slot is persistent, it will remain connected to
//- signals even when all references to CL_Slot are gone.</p>
void set_persistent(bool flag = true);
//! Implementation:
private:
void check_delete();
bool persistent;
int slot_ref_count;
int signal_ref_count;
std::list<CL_Signal *> connected_signals;
};
#endif
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