1/*
2 * Copyright (C) 2016 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#pragma once
27
28#include "IDLTypes.h"
29#include "JSDOMConvertBase.h"
30
31namespace WebCore {
32
33template<typename T> struct Converter<IDLCallbackFunction<T>> : DefaultConverter<IDLCallbackFunction<T>> {
34
35 static constexpr bool conversionHasSideEffects = false;
36
37 template<typename ExceptionThrower = DefaultExceptionThrower>
38 static RefPtr<T> convert(JSC::ExecState& state, JSC::JSValue value, JSDOMGlobalObject& globalObject, ExceptionThrower&& exceptionThrower = ExceptionThrower())
39 {
40 JSC::VM& vm = state.vm();
41 auto scope = DECLARE_THROW_SCOPE(vm);
42
43 if (!value.isFunction(vm)) {
44 exceptionThrower(state, scope);
45 return nullptr;
46 }
47
48 return T::create(JSC::asObject(value), &globalObject);
49 }
50};
51
52template<typename T> struct JSConverter<IDLCallbackFunction<T>> {
53 static constexpr bool needsState = false;
54 static constexpr bool needsGlobalObject = false;
55
56 template <typename U>
57 static JSC::JSValue convert(const U& value)
58 {
59 return toJS(Detail::getPtrOrRef(value));
60 }
61
62 template<typename U>
63 static JSC::JSValue convertNewlyCreated(U&& value)
64 {
65 return toJSNewlyCreated(std::forward<U>(value));
66 }
67};
68
69
70template<typename T> struct Converter<IDLCallbackInterface<T>> : DefaultConverter<IDLCallbackInterface<T>> {
71 template<typename ExceptionThrower = DefaultExceptionThrower>
72 static RefPtr<T> convert(JSC::ExecState& state, JSC::JSValue value, JSDOMGlobalObject& globalObject, ExceptionThrower&& exceptionThrower = ExceptionThrower())
73 {
74 JSC::VM& vm = state.vm();
75 auto scope = DECLARE_THROW_SCOPE(vm);
76
77 if (!value.isObject()) {
78 exceptionThrower(state, scope);
79 return nullptr;
80 }
81
82 return T::create(JSC::asObject(value), &globalObject);
83 }
84};
85
86template<typename T> struct JSConverter<IDLCallbackInterface<T>> {
87 static constexpr bool needsState = false;
88 static constexpr bool needsGlobalObject = false;
89
90 template <typename U>
91 static JSC::JSValue convert(const U& value)
92 {
93 return toJS(Detail::getPtrOrRef(value));
94 }
95
96 template<typename U>
97 static JSC::JSValue convertNewlyCreated(U&& value)
98 {
99 return toJSNewlyCreated(std::forward<U>(value));
100 }
101};
102
103} // namespace WebCore
104