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(VIDEO_TRACK)
24
25#include "JSTextTrackList.h"
26
27#include "Element.h"
28#include "EventNames.h"
29#include "JSDOMAttribute.h"
30#include "JSDOMBinding.h"
31#include "JSDOMConstructorNotConstructable.h"
32#include "JSDOMConvertInterface.h"
33#include "JSDOMConvertNumbers.h"
34#include "JSDOMConvertStrings.h"
35#include "JSDOMExceptionHandling.h"
36#include "JSDOMGlobalObject.h"
37#include "JSDOMOperation.h"
38#include "JSDOMWrapperCache.h"
39#include "JSEventListener.h"
40#include "JSNodeCustom.h"
41#include "JSTextTrack.h"
42#include "ScriptExecutionContext.h"
43#include <JavaScriptCore/ArrayPrototype.h>
44#include <JavaScriptCore/BuiltinNames.h>
45#include <JavaScriptCore/HeapSnapshotBuilder.h>
46#include <JavaScriptCore/JSCInlines.h>
47#include <JavaScriptCore/PropertyNameArray.h>
48#include <wtf/GetPtr.h>
49#include <wtf/PointerPreparations.h>
50#include <wtf/URL.h>
51
52
53namespace WebCore {
54using namespace JSC;
55
56// Functions
57
58JSC::EncodedJSValue JSC_HOST_CALL jsTextTrackListPrototypeFunctionItem(JSC::ExecState*);
59JSC::EncodedJSValue JSC_HOST_CALL jsTextTrackListPrototypeFunctionGetTrackById(JSC::ExecState*);
60
61// Attributes
62
63JSC::EncodedJSValue jsTextTrackListConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
64bool setJSTextTrackListConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
65JSC::EncodedJSValue jsTextTrackListLength(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
66JSC::EncodedJSValue jsTextTrackListOnaddtrack(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
67bool setJSTextTrackListOnaddtrack(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
68JSC::EncodedJSValue jsTextTrackListOnchange(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
69bool setJSTextTrackListOnchange(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
70JSC::EncodedJSValue jsTextTrackListOnremovetrack(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
71bool setJSTextTrackListOnremovetrack(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
72
73class JSTextTrackListPrototype : public JSC::JSNonFinalObject {
74public:
75 using Base = JSC::JSNonFinalObject;
76 static JSTextTrackListPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
77 {
78 JSTextTrackListPrototype* ptr = new (NotNull, JSC::allocateCell<JSTextTrackListPrototype>(vm.heap)) JSTextTrackListPrototype(vm, globalObject, structure);
79 ptr->finishCreation(vm);
80 return ptr;
81 }
82
83 DECLARE_INFO;
84 static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
85 {
86 return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
87 }
88
89private:
90 JSTextTrackListPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
91 : JSC::JSNonFinalObject(vm, structure)
92 {
93 }
94
95 void finishCreation(JSC::VM&);
96};
97
98using JSTextTrackListConstructor = JSDOMConstructorNotConstructable<JSTextTrackList>;
99
100template<> JSValue JSTextTrackListConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
101{
102 return JSEventTarget::getConstructor(vm, &globalObject);
103}
104
105template<> void JSTextTrackListConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
106{
107 putDirect(vm, vm.propertyNames->prototype, JSTextTrackList::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
108 putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String("TextTrackList"_s)), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
109 putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
110}
111
112template<> const ClassInfo JSTextTrackListConstructor::s_info = { "TextTrackList", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTextTrackListConstructor) };
113
114/* Hash table for prototype */
115
116static const HashTableValue JSTextTrackListPrototypeTableValues[] =
117{
118 { "constructor", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTextTrackListConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSTextTrackListConstructor) } },
119 { "length", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTextTrackListLength), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
120 { "onaddtrack", static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTextTrackListOnaddtrack), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSTextTrackListOnaddtrack) } },
121 { "onchange", static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTextTrackListOnchange), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSTextTrackListOnchange) } },
122 { "onremovetrack", static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTextTrackListOnremovetrack), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSTextTrackListOnremovetrack) } },
123 { "item", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTextTrackListPrototypeFunctionItem), (intptr_t) (1) } },
124 { "getTrackById", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTextTrackListPrototypeFunctionGetTrackById), (intptr_t) (1) } },
125};
126
127const ClassInfo JSTextTrackListPrototype::s_info = { "TextTrackListPrototype", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTextTrackListPrototype) };
128
129void JSTextTrackListPrototype::finishCreation(VM& vm)
130{
131 Base::finishCreation(vm);
132 reifyStaticProperties(vm, JSTextTrackList::info(), JSTextTrackListPrototypeTableValues, *this);
133 putDirect(vm, vm.propertyNames->iteratorSymbol, globalObject()->arrayPrototype()->getDirect(vm, vm.propertyNames->builtinNames().valuesPrivateName()), static_cast<unsigned>(JSC::PropertyAttribute::DontEnum));
134}
135
136const ClassInfo JSTextTrackList::s_info = { "TextTrackList", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTextTrackList) };
137
138JSTextTrackList::JSTextTrackList(Structure* structure, JSDOMGlobalObject& globalObject, Ref<TextTrackList>&& impl)
139 : JSEventTarget(structure, globalObject, WTFMove(impl))
140{
141}
142
143void JSTextTrackList::finishCreation(VM& vm)
144{
145 Base::finishCreation(vm);
146 ASSERT(inherits(vm, info()));
147
148}
149
150JSObject* JSTextTrackList::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
151{
152 return JSTextTrackListPrototype::create(vm, &globalObject, JSTextTrackListPrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject)));
153}
154
155JSObject* JSTextTrackList::prototype(VM& vm, JSDOMGlobalObject& globalObject)
156{
157 return getDOMPrototype<JSTextTrackList>(vm, globalObject);
158}
159
160JSValue JSTextTrackList::getConstructor(VM& vm, const JSGlobalObject* globalObject)
161{
162 return getDOMConstructor<JSTextTrackListConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
163}
164
165bool JSTextTrackList::getOwnPropertySlot(JSObject* object, ExecState* state, PropertyName propertyName, PropertySlot& slot)
166{
167 auto* thisObject = jsCast<JSTextTrackList*>(object);
168 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
169 if (auto index = parseIndex(propertyName)) {
170 if (index.value() < thisObject->wrapped().length()) {
171 auto value = toJS<IDLInterface<TextTrack>>(*state, *thisObject->globalObject(), thisObject->wrapped().item(index.value()));
172 slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value);
173 return true;
174 }
175 }
176 return JSObject::getOwnPropertySlot(object, state, propertyName, slot);
177}
178
179bool JSTextTrackList::getOwnPropertySlotByIndex(JSObject* object, ExecState* state, unsigned index, PropertySlot& slot)
180{
181 auto* thisObject = jsCast<JSTextTrackList*>(object);
182 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
183 if (LIKELY(index <= MAX_ARRAY_INDEX)) {
184 if (index < thisObject->wrapped().length()) {
185 auto value = toJS<IDLInterface<TextTrack>>(*state, *thisObject->globalObject(), thisObject->wrapped().item(index));
186 slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value);
187 return true;
188 }
189 }
190 return JSObject::getOwnPropertySlotByIndex(object, state, index, slot);
191}
192
193void JSTextTrackList::getOwnPropertyNames(JSObject* object, ExecState* state, PropertyNameArray& propertyNames, EnumerationMode mode)
194{
195 auto* thisObject = jsCast<JSTextTrackList*>(object);
196 ASSERT_GC_OBJECT_INHERITS(object, info());
197 for (unsigned i = 0, count = thisObject->wrapped().length(); i < count; ++i)
198 propertyNames.add(Identifier::from(state, i));
199 JSObject::getOwnPropertyNames(object, state, propertyNames, mode);
200}
201
202template<> inline JSTextTrackList* IDLAttribute<JSTextTrackList>::cast(ExecState& state, EncodedJSValue thisValue)
203{
204 return jsDynamicCast<JSTextTrackList*>(state.vm(), JSValue::decode(thisValue));
205}
206
207template<> inline JSTextTrackList* IDLOperation<JSTextTrackList>::cast(ExecState& state)
208{
209 return jsDynamicCast<JSTextTrackList*>(state.vm(), state.thisValue());
210}
211
212EncodedJSValue jsTextTrackListConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
213{
214 VM& vm = state->vm();
215 auto throwScope = DECLARE_THROW_SCOPE(vm);
216 auto* prototype = jsDynamicCast<JSTextTrackListPrototype*>(vm, JSValue::decode(thisValue));
217 if (UNLIKELY(!prototype))
218 return throwVMTypeError(state, throwScope);
219 return JSValue::encode(JSTextTrackList::getConstructor(state->vm(), prototype->globalObject()));
220}
221
222bool setJSTextTrackListConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
223{
224 VM& vm = state->vm();
225 auto throwScope = DECLARE_THROW_SCOPE(vm);
226 auto* prototype = jsDynamicCast<JSTextTrackListPrototype*>(vm, JSValue::decode(thisValue));
227 if (UNLIKELY(!prototype)) {
228 throwVMTypeError(state, throwScope);
229 return false;
230 }
231 // Shadowing a built-in constructor
232 return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue));
233}
234
235static inline JSValue jsTextTrackListLengthGetter(ExecState& state, JSTextTrackList& thisObject, ThrowScope& throwScope)
236{
237 UNUSED_PARAM(throwScope);
238 UNUSED_PARAM(state);
239 auto& impl = thisObject.wrapped();
240 JSValue result = toJS<IDLUnsignedLong>(state, throwScope, impl.length());
241 return result;
242}
243
244EncodedJSValue jsTextTrackListLength(ExecState* state, EncodedJSValue thisValue, PropertyName)
245{
246 return IDLAttribute<JSTextTrackList>::get<jsTextTrackListLengthGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "length");
247}
248
249static inline JSValue jsTextTrackListOnaddtrackGetter(ExecState& state, JSTextTrackList& thisObject, ThrowScope& throwScope)
250{
251 UNUSED_PARAM(throwScope);
252 UNUSED_PARAM(state);
253 return eventHandlerAttribute(thisObject.wrapped(), eventNames().addtrackEvent, worldForDOMObject(thisObject));
254}
255
256EncodedJSValue jsTextTrackListOnaddtrack(ExecState* state, EncodedJSValue thisValue, PropertyName)
257{
258 return IDLAttribute<JSTextTrackList>::get<jsTextTrackListOnaddtrackGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "onaddtrack");
259}
260
261static inline bool setJSTextTrackListOnaddtrackSetter(ExecState& state, JSTextTrackList& thisObject, JSValue value, ThrowScope& throwScope)
262{
263 UNUSED_PARAM(throwScope);
264 setEventHandlerAttribute(state, thisObject, thisObject.wrapped(), eventNames().addtrackEvent, value);
265 return true;
266}
267
268bool setJSTextTrackListOnaddtrack(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
269{
270 return IDLAttribute<JSTextTrackList>::set<setJSTextTrackListOnaddtrackSetter>(*state, thisValue, encodedValue, "onaddtrack");
271}
272
273static inline JSValue jsTextTrackListOnchangeGetter(ExecState& state, JSTextTrackList& thisObject, ThrowScope& throwScope)
274{
275 UNUSED_PARAM(throwScope);
276 UNUSED_PARAM(state);
277 return eventHandlerAttribute(thisObject.wrapped(), eventNames().changeEvent, worldForDOMObject(thisObject));
278}
279
280EncodedJSValue jsTextTrackListOnchange(ExecState* state, EncodedJSValue thisValue, PropertyName)
281{
282 return IDLAttribute<JSTextTrackList>::get<jsTextTrackListOnchangeGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "onchange");
283}
284
285static inline bool setJSTextTrackListOnchangeSetter(ExecState& state, JSTextTrackList& thisObject, JSValue value, ThrowScope& throwScope)
286{
287 UNUSED_PARAM(throwScope);
288 setEventHandlerAttribute(state, thisObject, thisObject.wrapped(), eventNames().changeEvent, value);
289 return true;
290}
291
292bool setJSTextTrackListOnchange(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
293{
294 return IDLAttribute<JSTextTrackList>::set<setJSTextTrackListOnchangeSetter>(*state, thisValue, encodedValue, "onchange");
295}
296
297static inline JSValue jsTextTrackListOnremovetrackGetter(ExecState& state, JSTextTrackList& thisObject, ThrowScope& throwScope)
298{
299 UNUSED_PARAM(throwScope);
300 UNUSED_PARAM(state);
301 return eventHandlerAttribute(thisObject.wrapped(), eventNames().removetrackEvent, worldForDOMObject(thisObject));
302}
303
304EncodedJSValue jsTextTrackListOnremovetrack(ExecState* state, EncodedJSValue thisValue, PropertyName)
305{
306 return IDLAttribute<JSTextTrackList>::get<jsTextTrackListOnremovetrackGetter, CastedThisErrorBehavior::Assert>(*state, thisValue, "onremovetrack");
307}
308
309static inline bool setJSTextTrackListOnremovetrackSetter(ExecState& state, JSTextTrackList& thisObject, JSValue value, ThrowScope& throwScope)
310{
311 UNUSED_PARAM(throwScope);
312 setEventHandlerAttribute(state, thisObject, thisObject.wrapped(), eventNames().removetrackEvent, value);
313 return true;
314}
315
316bool setJSTextTrackListOnremovetrack(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
317{
318 return IDLAttribute<JSTextTrackList>::set<setJSTextTrackListOnremovetrackSetter>(*state, thisValue, encodedValue, "onremovetrack");
319}
320
321static inline JSC::EncodedJSValue jsTextTrackListPrototypeFunctionItemBody(JSC::ExecState* state, typename IDLOperation<JSTextTrackList>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
322{
323 UNUSED_PARAM(state);
324 UNUSED_PARAM(throwScope);
325 auto& impl = castedThis->wrapped();
326 if (UNLIKELY(state->argumentCount() < 1))
327 return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
328 auto index = convert<IDLUnsignedLong>(*state, state->uncheckedArgument(0));
329 RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
330 return JSValue::encode(toJS<IDLInterface<TextTrack>>(*state, *castedThis->globalObject(), impl.item(WTFMove(index))));
331}
332
333EncodedJSValue JSC_HOST_CALL jsTextTrackListPrototypeFunctionItem(ExecState* state)
334{
335 return IDLOperation<JSTextTrackList>::call<jsTextTrackListPrototypeFunctionItemBody>(*state, "item");
336}
337
338static inline JSC::EncodedJSValue jsTextTrackListPrototypeFunctionGetTrackByIdBody(JSC::ExecState* state, typename IDLOperation<JSTextTrackList>::ClassParameter castedThis, JSC::ThrowScope& throwScope)
339{
340 UNUSED_PARAM(state);
341 UNUSED_PARAM(throwScope);
342 auto& impl = castedThis->wrapped();
343 if (UNLIKELY(state->argumentCount() < 1))
344 return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
345 auto id = convert<IDLDOMString>(*state, state->uncheckedArgument(0));
346 RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
347 return JSValue::encode(toJS<IDLInterface<TextTrack>>(*state, *castedThis->globalObject(), impl.getTrackById(WTFMove(id))));
348}
349
350EncodedJSValue JSC_HOST_CALL jsTextTrackListPrototypeFunctionGetTrackById(ExecState* state)
351{
352 return IDLOperation<JSTextTrackList>::call<jsTextTrackListPrototypeFunctionGetTrackByIdBody>(*state, "getTrackById");
353}
354
355void JSTextTrackList::visitChildren(JSCell* cell, SlotVisitor& visitor)
356{
357 auto* thisObject = jsCast<JSTextTrackList*>(cell);
358 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
359 Base::visitChildren(thisObject, visitor);
360 thisObject->visitAdditionalChildren(visitor);
361}
362
363void JSTextTrackList::visitOutputConstraints(JSCell* cell, SlotVisitor& visitor)
364{
365 auto* thisObject = jsCast<JSTextTrackList*>(cell);
366 ASSERT_GC_OBJECT_INHERITS(thisObject, info());
367 Base::visitOutputConstraints(thisObject, visitor);
368 thisObject->visitAdditionalChildren(visitor);
369}
370
371void JSTextTrackList::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder)
372{
373 auto* thisObject = jsCast<JSTextTrackList*>(cell);
374 builder.setWrappedObjectForCell(cell, &thisObject->wrapped());
375 if (thisObject->scriptExecutionContext())
376 builder.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
377 Base::heapSnapshot(cell, builder);
378}
379
380bool JSTextTrackListOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor, const char** reason)
381{
382 auto* jsTextTrackList = jsCast<JSTextTrackList*>(handle.slot()->asCell());
383 if (jsTextTrackList->wrapped().hasPendingActivity()) {
384 if (UNLIKELY(reason))
385 *reason = "ActiveDOMObject with pending activity";
386 return true;
387 }
388 if (jsTextTrackList->wrapped().isFiringEventListeners()) {
389 if (UNLIKELY(reason))
390 *reason = "EventTarget firing event listeners";
391 return true;
392 }
393 Element* element = WTF::getPtr(jsTextTrackList->wrapped().element());
394 if (!element)
395 return false;
396 if (UNLIKELY(reason))
397 *reason = "Reachable from TextTrackListOwner";
398 void* root = WebCore::root(element);
399 return visitor.containsOpaqueRoot(root);
400}
401
402void JSTextTrackListOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
403{
404 auto* jsTextTrackList = static_cast<JSTextTrackList*>(handle.slot()->asCell());
405 auto& world = *static_cast<DOMWrapperWorld*>(context);
406 uncacheWrapper(world, &jsTextTrackList->wrapped(), jsTextTrackList);
407}
408
409#if ENABLE(BINDING_INTEGRITY)
410#if PLATFORM(WIN)
411#pragma warning(disable: 4483)
412extern "C" { extern void (*const __identifier("??_7TextTrackList@WebCore@@6B@")[])(); }
413#else
414extern "C" { extern void* _ZTVN7WebCore13TextTrackListE[]; }
415#endif
416#endif
417
418JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<TextTrackList>&& impl)
419{
420
421#if ENABLE(BINDING_INTEGRITY)
422 void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr()));
423#if PLATFORM(WIN)
424 void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(__identifier("??_7TextTrackList@WebCore@@6B@"));
425#else
426 void* expectedVTablePointer = WTF_PREPARE_VTBL_POINTER_FOR_INSPECTION(&_ZTVN7WebCore13TextTrackListE[2]);
427#endif
428
429 // If this fails TextTrackList does not have a vtable, so you need to add the
430 // ImplementationLacksVTable attribute to the interface definition
431 static_assert(std::is_polymorphic<TextTrackList>::value, "TextTrackList is not polymorphic");
432
433 // If you hit this assertion you either have a use after free bug, or
434 // TextTrackList has subclasses. If TextTrackList has subclasses that get passed
435 // to toJS() we currently require TextTrackList you to opt out of binding hardening
436 // by adding the SkipVTableValidation attribute to the interface IDL definition
437 RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
438#endif
439 return createWrapper<TextTrackList>(globalObject, WTFMove(impl));
440}
441
442JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, TextTrackList& impl)
443{
444 return wrap(state, globalObject, impl);
445}
446
447TextTrackList* JSTextTrackList::toWrapped(JSC::VM& vm, JSC::JSValue value)
448{
449 if (auto* wrapper = jsDynamicCast<JSTextTrackList*>(vm, value))
450 return &wrapper->wrapped();
451 return nullptr;
452}
453
454}
455
456#endif // ENABLE(VIDEO_TRACK)
457