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1// -*- mode: c++; c-basic-offset: 4 -*-
2/*
3 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "config.h"
28#include "JSCallbackConstructor.h"
29
30#include "APICast.h"
31#include <kjs/JSGlobalObject.h>
32#include <kjs/object_object.h>
33#include <wtf/Vector.h>
34
35namespace KJS {
36
37const ClassInfo JSCallbackConstructor::info = { "CallbackConstructor", 0, 0};
38
39JSCallbackConstructor::JSCallbackConstructor(ExecState* exec, JSClassRef jsClass, JSObjectCallAsConstructorCallback callback)
40 : JSObject(exec->lexicalGlobalObject()->objectPrototype())
41 , m_class(jsClass)
42 , m_callback(callback)
43{
44 if (m_class)
45 JSClassRetain(jsClass);
46}
47
48JSCallbackConstructor::~JSCallbackConstructor()
49{
50 if (m_class)
51 JSClassRelease(m_class);
52}
53
54bool JSCallbackConstructor::implementsHasInstance() const
55{
56 return true;
57}
58
59bool JSCallbackConstructor::implementsConstruct() const
60{
61 return true;
62}
63
64JSObject* JSCallbackConstructor::construct(ExecState* exec, const List &args)
65{
66 JSContextRef ctx = toRef(exec);
67 JSObjectRef thisRef = toRef(this);
68
69 if (m_callback) {
70 int argumentCount = static_cast<int>(args.size());
71 Vector<JSValueRef, 16> arguments(argumentCount);
72 for (int i = 0; i < argumentCount; i++)
73 arguments[i] = toRef(args[i]);
74
75 JSLock::DropAllLocks dropAllLocks;
76 return toJS(m_callback(ctx, thisRef, argumentCount, arguments.data(), toRef(exec->exceptionSlot())));
77 }
78
79 return toJS(JSObjectMake(ctx, m_class, 0));
80}
81
82} // namespace KJS