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Commit	Line	Data
	1	/*
	2	* Copyright (C) 2010 Apple Inc. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	23	* THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#ifndef JSWeakObjectMapRefInternal_h
	27	#define JSWeakObjectMapRefInternal_h
	28
	29	#include "WeakGCMap.h"
	30	#include <wtf/RefCounted.h>
	31
	32	namespace JSC {
	33
	34	class JSObject;
	35
	36	}
	37
	38	typedef void (JSWeakMapDestroyedCallback)(struct OpaqueJSWeakObjectMap, void*);
	39
	40	typedef JSC::WeakGCMap<void*, JSC::JSObject> WeakMapType;
	41
	42	struct OpaqueJSWeakObjectMap : public RefCounted<OpaqueJSWeakObjectMap> {
	43	public:
	44	static PassRefPtr<OpaqueJSWeakObjectMap> create(void* data, JSWeakMapDestroyedCallback callback)
	45	{
	46	return adoptRef(new OpaqueJSWeakObjectMap(data, callback));
	47	}
	48
	49	WeakMapType& map() { return m_map; }
	50
	51	~OpaqueJSWeakObjectMap()
	52	{
	53	m_callback(this, m_data);
	54	}
	55
	56	private:
	57	OpaqueJSWeakObjectMap(void* data, JSWeakMapDestroyedCallback callback)
	58	: m_data(data)
	59	, m_callback(callback)
	60	{
	61	}
	62	WeakMapType m_map;
	63	void* m_data;
	64	JSWeakMapDestroyedCallback m_callback;
	65	};
	66
	67
	68	#endif // JSWeakObjectMapInternal_h