1/*
2 * Copyright (C) 2006, 2008 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef JSCallbackConstructor_h
27#define JSCallbackConstructor_h
28
29#include "JSDestructibleObject.h"
30#include "JSObjectRef.h"
31
32namespace JSC {
33
34class JSCallbackConstructor final : public JSDestructibleObject {
35public:
36 typedef JSDestructibleObject Base;
37 static const unsigned StructureFlags = Base::StructureFlags | ImplementsHasInstance | ImplementsDefaultHasInstance;
38
39 static JSCallbackConstructor* create(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, JSClassRef classRef, JSObjectCallAsConstructorCallback callback)
40 {
41 VM& vm = exec->vm();
42 JSCallbackConstructor* constructor = new (NotNull, allocateCell<JSCallbackConstructor>(vm.heap)) JSCallbackConstructor(globalObject, structure, classRef, callback);
43 constructor->finishCreation(globalObject, classRef);
44 return constructor;
45 }
46
47 ~JSCallbackConstructor();
48 static void destroy(JSCell*);
49 JSClassRef classRef() const { return m_class; }
50 JSObjectCallAsConstructorCallback callback() const { return m_callback; }
51 DECLARE_INFO;
52
53 static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
54 {
55 return Structure::create(vm, globalObject, proto, TypeInfo(ObjectType, StructureFlags), info());
56 }
57
58protected:
59 JSCallbackConstructor(JSGlobalObject*, Structure*, JSClassRef, JSObjectCallAsConstructorCallback);
60 void finishCreation(JSGlobalObject*, JSClassRef);
61
62private:
63 friend struct APICallbackFunction;
64
65 static ConstructType getConstructData(JSCell*, ConstructData&);
66
67 JSObjectCallAsConstructorCallback constructCallback() { return m_callback; }
68
69 JSClassRef m_class;
70 JSObjectCallAsConstructorCallback m_callback;
71};
72
73} // namespace JSC
74
75#endif // JSCallbackConstructor_h
76