shared_gc_data.h

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/*
**  ClanLib SDK
**  Copyright (c) 1997-2009 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
**    Harry Storbacka
**    Mark Page
*/


#pragma once

#include "../api_display.h"
#include "../../Core/IOData/virtual_directory.h"
#include "../../Core/Signals/signal_v0.h"
#include "texture.h"
#include <vector>
#include <map>

class CL_GraphicContext;
class CL_DisposableObject;
class CL_SharedGCData_Impl;

class CL_SharedGCData
{
public:

        static void add_ref();

        static void release_ref();

        static CL_SharedGCData *get_instance();

        static std::vector<CL_GraphicContextProvider*> &get_gc_providers();

        static void dispose_objects();

        static void add_disposable(CL_DisposableObject *disposable);

        static void remove_disposable(CL_DisposableObject *disposable);

        static CL_Signal_v0 &func_gc_destruction_imminent();

        static CL_Texture load_texture(CL_GraphicContext &gc, const CL_String &filename, const CL_VirtualDirectory &virtual_directory = CL_VirtualDirectory());

        static void unload_texture(const CL_String &filename, const CL_VirtualDirectory &virtual_directory = CL_VirtualDirectory());

        static void unload_all_textures();

private:
        CL_SharedGCData();
        ~CL_SharedGCData();

        CL_SharedPtr<CL_SharedGCData_Impl> impl;
};

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