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#include "config.h"
27#include "JSWrapper.h"
28
29#include <JavaScriptCore/JSContextRefPrivate.h>
30
31namespace WTR {
32
33JSValueRef JSWrapper::wrap(JSContextRef context, JSWrappable* object)
34{
35    ASSERT_ARG(context, context);
36
37    if (!object)
38        return JSValueMakeNull(context);
39
40    JSClassRef objectClass = object->wrapperClass();
41    ASSERT(objectClass);
42    JSObjectRef wrapperObject = JSObjectMake(context, objectClass, object);
43    ASSERT(wrapperObject);
44
45    return wrapperObject;
46}
47
48JSWrappable* JSWrapper::unwrap(JSContextRef context, JSValueRef value)
49{
50    ASSERT_ARG(context, context);
51    ASSERT_ARG(value, value);
52    if (!context || !value)
53        return 0;
54    return static_cast<JSWrappable*>(JSObjectGetPrivate(JSValueToObject(context, value, 0)));
55}
56
57static JSWrappable* unwrapObject(JSObjectRef object)
58{
59    JSWrappable* wrappable = static_cast<JSWrappable*>(JSObjectGetPrivate(object));
60    ASSERT(wrappable);
61    return wrappable;
62}
63
64void JSWrapper::initialize(JSContextRef ctx, JSObjectRef object)
65{
66    JSWrappable* wrappable = unwrapObject(object);
67    if (!wrappable)
68        return;
69    wrappable->ref();
70}
71
72void JSWrapper::finalize(JSObjectRef object)
73{
74    JSWrappable* wrappable = unwrapObject(object);
75    if (!wrappable)
76        return;
77    wrappable->deref();
78}
79
80} // namespace WTR
81