/*
**  ClanLib SDK
**  Copyright (c) 1997-2015 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 <vector>
#include <memory>
#include <mutex>

namespace clan
{
/// \addtogroup clanDisplay_Display clanDisplay Display
/// \{

class GraphicContext;
class GraphicContextProvider;
class DisposableObject;
class SharedGCData_Impl;

/// \brief Shared Graphic Context Data
class SharedGCData
{
public:

	/// \brief Add ref
	static void add_ref();

	/// \brief Release ref
	static void release_ref();

	/// \brief Add a provider
	static void add_provider(GraphicContextProvider *provider);

	/// \brief Remove a provider
	static void remove_provider(GraphicContextProvider *provider);

	/// \brief Get a provider
	///
	/// \param mutex_section : Returns the mutex section for the provider lock
	///
	/// \return NULL = None available
	static GraphicContextProvider *get_provider(std::unique_ptr<std::unique_lock<std::recursive_mutex>> &mutex_section);

	/// \brief Get the providers
	///
	/// \param mutex_section : Returns the mutex section for the provider lock
	///
	/// \return NULL = None available
	static std::vector<GraphicContextProvider*> &get_gc_providers(std::unique_ptr<std::unique_lock<std::recursive_mutex>> &mutex_section);

	/// \brief Add disposable
	///
	/// \param disposable = Disposable Object
	static void add_disposable(DisposableObject *disposable);

	/// \brief Remove disposable
	///
	/// \param disposable = Disposable Object
	static void remove_disposable(DisposableObject *disposable);

private:
	SharedGCData();
	~SharedGCData();

	std::shared_ptr<SharedGCData_Impl> impl;
};

}

/// \}

