1 | /* |
2 | This file is part of the WebKit open source project. |
3 | This file has been generated by generate-bindings.pl. DO NOT MODIFY! |
4 | |
5 | This library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Library General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2 of the License, or (at your option) any later version. |
9 | |
10 | This library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Library General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Library General Public License |
16 | along with this library; see the file COPYING.LIB. If not, write to |
17 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
18 | Boston, MA 02110-1301, USA. |
19 | */ |
20 | |
21 | #include "config.h" |
22 | |
23 | #if ENABLE(WEB_AUDIO) |
24 | |
25 | #include "JSOfflineAudioContext.h" |
26 | |
27 | #include "JSDOMBinding.h" |
28 | #include "JSDOMConstructor.h" |
29 | #include "JSDOMConvertInterface.h" |
30 | #include "JSDOMExceptionHandling.h" |
31 | #include "JSDOMWrapperCache.h" |
32 | #include "ScriptExecutionContext.h" |
33 | #include <JavaScriptCore/HeapSnapshotBuilder.h> |
34 | #include <JavaScriptCore/JSCInlines.h> |
35 | #include <wtf/GetPtr.h> |
36 | #include <wtf/PointerPreparations.h> |
37 | #include <wtf/URL.h> |
38 | |
39 | #if ENABLE(WEB_AUDIO) |
40 | #include "JSDOMConvertNumbers.h" |
41 | #endif |
42 | |
43 | |
44 | namespace WebCore { |
45 | using namespace JSC; |
46 | |
47 | // Attributes |
48 | |
49 | JSC::EncodedJSValue jsOfflineAudioContextConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName); |
50 | bool setJSOfflineAudioContextConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue); |
51 | |
52 | class JSOfflineAudioContextPrototype : public JSC::JSNonFinalObject { |
53 | public: |
54 | using Base = JSC::JSNonFinalObject; |
55 | static JSOfflineAudioContextPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure) |
56 | { |
57 | JSOfflineAudioContextPrototype* ptr = new (NotNull, JSC::allocateCell<JSOfflineAudioContextPrototype>(vm.heap)) JSOfflineAudioContextPrototype(vm, globalObject, structure); |
58 | ptr->finishCreation(vm); |
59 | return ptr; |
60 | } |
61 | |
62 | DECLARE_INFO; |
63 | static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) |
64 | { |
65 | return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info()); |
66 | } |
67 | |
68 | private: |
69 | JSOfflineAudioContextPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure) |
70 | : JSC::JSNonFinalObject(vm, structure) |
71 | { |
72 | } |
73 | |
74 | void finishCreation(JSC::VM&); |
75 | }; |
76 | |
77 | using JSOfflineAudioContextConstructor = JSDOMConstructor<JSOfflineAudioContext>; |
78 | |
79 | template<> EncodedJSValue JSC_HOST_CALL JSOfflineAudioContextConstructor::construct(ExecState* state) |
80 | { |
81 | VM& vm = state->vm(); |
82 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
83 | UNUSED_PARAM(throwScope); |
84 | auto* castedThis = jsCast<JSOfflineAudioContextConstructor*>(state->jsCallee()); |
85 | ASSERT(castedThis); |
86 | if (UNLIKELY(state->argumentCount() < 3)) |
87 | return throwVMError(state, throwScope, createNotEnoughArgumentsError(state)); |
88 | auto* context = castedThis->scriptExecutionContext(); |
89 | if (UNLIKELY(!context)) |
90 | return throwConstructorScriptExecutionContextUnavailableError(*state, throwScope, "webkitOfflineAudioContext" ); |
91 | auto numberOfChannels = convert<IDLUnsignedLong>(*state, state->uncheckedArgument(0)); |
92 | RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); |
93 | auto numberOfFrames = convert<IDLUnsignedLong>(*state, state->uncheckedArgument(1)); |
94 | RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); |
95 | auto sampleRate = convert<IDLUnrestrictedFloat>(*state, state->uncheckedArgument(2)); |
96 | RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); |
97 | auto object = OfflineAudioContext::create(*context, WTFMove(numberOfChannels), WTFMove(numberOfFrames), WTFMove(sampleRate)); |
98 | return JSValue::encode(toJSNewlyCreated<IDLInterface<OfflineAudioContext>>(*state, *castedThis->globalObject(), throwScope, WTFMove(object))); |
99 | } |
100 | |
101 | template<> JSValue JSOfflineAudioContextConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject) |
102 | { |
103 | return JSAudioContext::getConstructor(vm, &globalObject); |
104 | } |
105 | |
106 | template<> void JSOfflineAudioContextConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject) |
107 | { |
108 | putDirect(vm, vm.propertyNames->prototype, JSOfflineAudioContext::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
109 | putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String("webkitOfflineAudioContext"_s )), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
110 | putDirect(vm, vm.propertyNames->length, jsNumber(3), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); |
111 | } |
112 | |
113 | template<> const ClassInfo JSOfflineAudioContextConstructor::s_info = { "webkitOfflineAudioContext" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSOfflineAudioContextConstructor) }; |
114 | |
115 | /* Hash table for prototype */ |
116 | |
117 | static const HashTableValue JSOfflineAudioContextPrototypeTableValues[] = |
118 | { |
119 | { "constructor" , static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsOfflineAudioContextConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSOfflineAudioContextConstructor) } }, |
120 | }; |
121 | |
122 | const ClassInfo JSOfflineAudioContextPrototype::s_info = { "webkitOfflineAudioContextPrototype" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSOfflineAudioContextPrototype) }; |
123 | |
124 | void JSOfflineAudioContextPrototype::finishCreation(VM& vm) |
125 | { |
126 | Base::finishCreation(vm); |
127 | reifyStaticProperties(vm, JSOfflineAudioContext::info(), JSOfflineAudioContextPrototypeTableValues, *this); |
128 | } |
129 | |
130 | const ClassInfo JSOfflineAudioContext::s_info = { "webkitOfflineAudioContext" , &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSOfflineAudioContext) }; |
131 | |
132 | JSOfflineAudioContext::JSOfflineAudioContext(Structure* structure, JSDOMGlobalObject& globalObject, Ref<OfflineAudioContext>&& impl) |
133 | : JSAudioContext(structure, globalObject, WTFMove(impl)) |
134 | { |
135 | } |
136 | |
137 | void JSOfflineAudioContext::finishCreation(VM& vm) |
138 | { |
139 | Base::finishCreation(vm); |
140 | ASSERT(inherits(vm, info())); |
141 | |
142 | } |
143 | |
144 | JSObject* JSOfflineAudioContext::createPrototype(VM& vm, JSDOMGlobalObject& globalObject) |
145 | { |
146 | return JSOfflineAudioContextPrototype::create(vm, &globalObject, JSOfflineAudioContextPrototype::createStructure(vm, &globalObject, JSAudioContext::prototype(vm, globalObject))); |
147 | } |
148 | |
149 | JSObject* JSOfflineAudioContext::prototype(VM& vm, JSDOMGlobalObject& globalObject) |
150 | { |
151 | return getDOMPrototype<JSOfflineAudioContext>(vm, globalObject); |
152 | } |
153 | |
154 | JSValue JSOfflineAudioContext::getConstructor(VM& vm, const JSGlobalObject* globalObject) |
155 | { |
156 | return getDOMConstructor<JSOfflineAudioContextConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject)); |
157 | } |
158 | |
159 | EncodedJSValue jsOfflineAudioContextConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName) |
160 | { |
161 | VM& vm = state->vm(); |
162 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
163 | auto* prototype = jsDynamicCast<JSOfflineAudioContextPrototype*>(vm, JSValue::decode(thisValue)); |
164 | if (UNLIKELY(!prototype)) |
165 | return throwVMTypeError(state, throwScope); |
166 | return JSValue::encode(JSOfflineAudioContext::getConstructor(state->vm(), prototype->globalObject())); |
167 | } |
168 | |
169 | bool setJSOfflineAudioContextConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue) |
170 | { |
171 | VM& vm = state->vm(); |
172 | auto throwScope = DECLARE_THROW_SCOPE(vm); |
173 | auto* prototype = jsDynamicCast<JSOfflineAudioContextPrototype*>(vm, JSValue::decode(thisValue)); |
174 | if (UNLIKELY(!prototype)) { |
175 | throwVMTypeError(state, throwScope); |
176 | return false; |
177 | } |
178 | // Shadowing a built-in constructor |
179 | return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue)); |
180 | } |
181 | |
182 | void JSOfflineAudioContext::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder) |
183 | { |
184 | auto* thisObject = jsCast<JSOfflineAudioContext*>(cell); |
185 | builder.setWrappedObjectForCell(cell, &thisObject->wrapped()); |
186 | if (thisObject->scriptExecutionContext()) |
187 | builder.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string()); |
188 | Base::heapSnapshot(cell, builder); |
189 | } |
190 | |
191 | bool JSOfflineAudioContextOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor, const char** reason) |
192 | { |
193 | auto* jsOfflineAudioContext = jsCast<JSOfflineAudioContext*>(handle.slot()->asCell()); |
194 | if (jsOfflineAudioContext->wrapped().hasPendingActivity()) { |
195 | if (UNLIKELY(reason)) |
196 | *reason = "ActiveDOMObject with pending activity" ; |
197 | return true; |
198 | } |
199 | if (jsOfflineAudioContext->wrapped().isFiringEventListeners()) { |
200 | if (UNLIKELY(reason)) |
201 | *reason = "EventTarget firing event listeners" ; |
202 | return true; |
203 | } |
204 | UNUSED_PARAM(visitor); |
205 | UNUSED_PARAM(reason); |
206 | return false; |
207 | } |
208 | |
209 | void JSOfflineAudioContextOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context) |
210 | { |
211 | auto* jsOfflineAudioContext = static_cast<JSOfflineAudioContext*>(handle.slot()->asCell()); |
212 | auto& world = *static_cast<DOMWrapperWorld*>(context); |
213 | uncacheWrapper(world, &jsOfflineAudioContext->wrapped(), jsOfflineAudioContext); |
214 | } |
215 | |
216 | #if ENABLE(BINDING_INTEGRITY) |
217 | #if PLATFORM(WIN) |
218 | #pragma warning(disable: 4483) |
219 | extern "C" { extern void (*const __identifier("??_7OfflineAudioContext@WebCore@@6B@" )[])(); } |
220 | #else |
221 | extern "C" { extern void* _ZTVN7WebCore19OfflineAudioContextE[]; } |
222 | #endif |
223 | #endif |
224 | |
225 | JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<OfflineAudioContext>&& impl) |
226 | { |
227 | |
228 | #if ENABLE(BINDING_INTEGRITY) |
229 | void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr())); |
230 | #if PLATFORM(WIN) |
231 | void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(__identifier("??_7OfflineAudioContext@WebCore@@6B@" )); |
232 | #else |
233 | void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(&_ZTVN7WebCore19OfflineAudioContextE[2]); |
234 | #endif |
235 | |
236 | // If this fails OfflineAudioContext does not have a vtable, so you need to add the |
237 | // ImplementationLacksVTable attribute to the interface definition |
238 | static_assert(std::is_polymorphic<OfflineAudioContext>::value, "OfflineAudioContext is not polymorphic" ); |
239 | |
240 | // If you hit this assertion you either have a use after free bug, or |
241 | // OfflineAudioContext has subclasses. If OfflineAudioContext has subclasses that get passed |
242 | // to toJS() we currently require OfflineAudioContext you to opt out of binding hardening |
243 | // by adding the SkipVTableValidation attribute to the interface IDL definition |
244 | RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer); |
245 | #endif |
246 | return createWrapper<OfflineAudioContext>(globalObject, WTFMove(impl)); |
247 | } |
248 | |
249 | JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, OfflineAudioContext& impl) |
250 | { |
251 | return wrap(state, globalObject, impl); |
252 | } |
253 | |
254 | |
255 | } |
256 | |
257 | #endif // ENABLE(WEB_AUDIO) |
258 | |