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
32namespace JSC {
33
34class JSObject;
35
36}
37
38typedef void (*JSWeakMapDestroyedCallback)(struct OpaqueJSWeakObjectMap*, void*);
39
40typedef JSC::WeakGCMap<void*, JSC::JSObject> WeakMapType;
41
42struct OpaqueJSWeakObjectMap : public RefCounted<OpaqueJSWeakObjectMap> {
43public:
44 static Ref<OpaqueJSWeakObjectMap> create(JSC::VM& vm, void* data, JSWeakMapDestroyedCallback callback)
45 {
46 return adoptRef(*new OpaqueJSWeakObjectMap(vm, data, callback));
47 }
48
49 WeakMapType& map() { return m_map; }
50
51 ~OpaqueJSWeakObjectMap()
52 {
53 m_callback(this, m_data);
54 }
55
56private:
57 OpaqueJSWeakObjectMap(JSC::VM& vm, void* data, JSWeakMapDestroyedCallback callback)
58 : m_map(vm)
59 , m_data(data)
60 , m_callback(callback)
61 {
62 }
63 WeakMapType m_map;
64 void* m_data;
65 JSWeakMapDestroyedCallback m_callback;
66};
67
68
69#endif // JSWeakObjectMapInternal_h
70