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Diffstat (limited to 'src/javascript/jsc/bindings/webcore/JSOffscreenCanvas.cpp')
| -rw-r--r-- | src/javascript/jsc/bindings/webcore/JSOffscreenCanvas.cpp | 497 |
1 files changed, 497 insertions, 0 deletions
diff --git a/src/javascript/jsc/bindings/webcore/JSOffscreenCanvas.cpp b/src/javascript/jsc/bindings/webcore/JSOffscreenCanvas.cpp new file mode 100644 index 000000000..36f6ce2b3 --- /dev/null +++ b/src/javascript/jsc/bindings/webcore/JSOffscreenCanvas.cpp @@ -0,0 +1,497 @@ +/* + This file is part of the WebKit open source project. + This file has been generated by generate-bindings.pl. DO NOT MODIFY! + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include "config.h" + +#include "JSOffscreenCanvas.h" + +#include "ActiveDOMObject.h" +// #include "DOMPromiseProxy.h" +#include "ExtendedDOMClientIsoSubspaces.h" +#include "ExtendedDOMIsoSubspaces.h" +// #include "JSBlob.h" +#include "JSDOMAttribute.h" +#include "JSDOMBinding.h" +#include "JSDOMConstructor.h" +#include "JSDOMConvertAny.h" +#include "JSDOMConvertInterface.h" +#include "JSDOMConvertNullable.h" +#include "JSDOMConvertNumbers.h" +// #include "JSDOMConvertPromise.h" +#include "JSDOMConvertStrings.h" +#include "JSDOMConvertUnion.h" +#include "JSDOMConvertVariadic.h" +#include "JSDOMExceptionHandling.h" +#include "JSDOMGlobalObject.h" +#include "JSDOMGlobalObjectInlines.h" +#include "JSDOMOperation.h" +// #include "JSDOMOperationReturningPromise.h" +#include "JSDOMWrapperCache.h" +// #include "JSImageBitmap.h" +#include "JSOffscreenCanvasRenderingContext2D.h" +// #include "JSWebGL2RenderingContext.h" +// #include "JSWebGLRenderingContext.h" +#include "ScriptExecutionContext.h" +#include "WebCoreJSClientData.h" +#include <JavaScriptCore/HeapAnalyzer.h> +#include <JavaScriptCore/JSCInlines.h> +#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h> +#include <JavaScriptCore/JSString.h> +#include <JavaScriptCore/SlotVisitorMacros.h> +#include <JavaScriptCore/SubspaceInlines.h> +#include <variant> +#include <wtf/GetPtr.h> +#include <wtf/PointerPreparations.h> +#include <wtf/URL.h> + +namespace WebCore { +using namespace JSC; + +String convertEnumerationToString(OffscreenCanvas::RenderingContextType enumerationValue) +{ + static const NeverDestroyed<String> values[] = { + MAKE_STATIC_STRING_IMPL("2d"), + // MAKE_STATIC_STRING_IMPL("webgl"), + // MAKE_STATIC_STRING_IMPL("webgl2"), + }; + static_assert(static_cast<size_t>(OffscreenCanvas::RenderingContextType::_2d) == 0, "OffscreenCanvas::RenderingContextType::_2d is not 0 as expected"); + // static_assert(static_cast<size_t>(OffscreenCanvas::RenderingContextType::Webgl) == 1, "OffscreenCanvas::RenderingContextType::Webgl is not 1 as expected"); + // static_assert(static_cast<size_t>(OffscreenCanvas::RenderingContextType::Webgl2) == 2, "OffscreenCanvas::RenderingContextType::Webgl2 is not 2 as expected"); + ASSERT(static_cast<size_t>(enumerationValue) < WTF_ARRAY_LENGTH(values)); + return values[static_cast<size_t>(enumerationValue)]; +} + +template<> JSString* convertEnumerationToJS(JSGlobalObject& lexicalGlobalObject, OffscreenCanvas::RenderingContextType enumerationValue) +{ + return jsStringWithCache(lexicalGlobalObject.vm(), convertEnumerationToString(enumerationValue)); +} + +template<> std::optional<OffscreenCanvas::RenderingContextType> parseEnumeration<OffscreenCanvas::RenderingContextType>(JSGlobalObject& lexicalGlobalObject, JSValue value) +{ + auto stringValue = value.toWTFString(&lexicalGlobalObject); + if (stringValue == "2d") + return OffscreenCanvas::RenderingContextType::_2d; + if (stringValue == "webgl") + return OffscreenCanvas::RenderingContextType::Webgl; + if (stringValue == "webgl2") + return OffscreenCanvas::RenderingContextType::Webgl2; + return std::nullopt; +} + +template<> const char* expectedEnumerationValues<OffscreenCanvas::RenderingContextType>() +{ + return "\"2d\", \"webgl\", \"webgl2\""; +} + +template<> OffscreenCanvas::ImageEncodeOptions convertDictionary<OffscreenCanvas::ImageEncodeOptions>(JSGlobalObject& lexicalGlobalObject, JSValue value) +{ + VM& vm = JSC::getVM(&lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + bool isNullOrUndefined = value.isUndefinedOrNull(); + auto* object = isNullOrUndefined ? nullptr : value.getObject(); + if (UNLIKELY(!isNullOrUndefined && !object)) { + throwTypeError(&lexicalGlobalObject, throwScope); + return {}; + } + OffscreenCanvas::ImageEncodeOptions result; + JSValue qualityValue; + if (isNullOrUndefined) + qualityValue = jsUndefined(); + else { + qualityValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "quality")); + RETURN_IF_EXCEPTION(throwScope, {}); + } + if (!qualityValue.isUndefined()) { + result.quality = convert<IDLUnrestrictedDouble>(lexicalGlobalObject, qualityValue); + RETURN_IF_EXCEPTION(throwScope, {}); + } else + result.quality = 1.0; + JSValue typeValue; + if (isNullOrUndefined) + typeValue = jsUndefined(); + else { + typeValue = object->get(&lexicalGlobalObject, Identifier::fromString(vm, "type")); + RETURN_IF_EXCEPTION(throwScope, {}); + } + if (!typeValue.isUndefined()) { + result.type = convert<IDLDOMString>(lexicalGlobalObject, typeValue); + RETURN_IF_EXCEPTION(throwScope, {}); + } else + result.type = "image/png"_s; + return result; +} + +// Functions + +static JSC_DECLARE_HOST_FUNCTION(jsOffscreenCanvasPrototypeFunction_getContext); +static JSC_DECLARE_HOST_FUNCTION(jsOffscreenCanvasPrototypeFunction_transferToImageBitmap); +static JSC_DECLARE_HOST_FUNCTION(jsOffscreenCanvasPrototypeFunction_convertToBlob); + +// Attributes + +static JSC_DECLARE_CUSTOM_GETTER(jsOffscreenCanvasConstructor); +static JSC_DECLARE_CUSTOM_GETTER(jsOffscreenCanvas_width); +static JSC_DECLARE_CUSTOM_SETTER(setJSOffscreenCanvas_width); +static JSC_DECLARE_CUSTOM_GETTER(jsOffscreenCanvas_height); +static JSC_DECLARE_CUSTOM_SETTER(setJSOffscreenCanvas_height); + +class JSOffscreenCanvasPrototype final : public JSC::JSNonFinalObject { +public: + using Base = JSC::JSNonFinalObject; + static JSOffscreenCanvasPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure) + { + JSOffscreenCanvasPrototype* ptr = new (NotNull, JSC::allocateCell<JSOffscreenCanvasPrototype>(vm)) JSOffscreenCanvasPrototype(vm, globalObject, structure); + ptr->finishCreation(vm); + return ptr; + } + + DECLARE_INFO; + template<typename CellType, JSC::SubspaceAccess> + static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm) + { + STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSOffscreenCanvasPrototype, Base); + return &vm.plainObjectSpace(); + } + static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) + { + return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info()); + } + +private: + JSOffscreenCanvasPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure) + : JSC::JSNonFinalObject(vm, structure) + { + } + + void finishCreation(JSC::VM&); +}; +STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSOffscreenCanvasPrototype, JSOffscreenCanvasPrototype::Base); + +using JSOffscreenCanvasDOMConstructor = JSDOMConstructor<JSOffscreenCanvas>; + +template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSOffscreenCanvasDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame) +{ + VM& vm = lexicalGlobalObject->vm(); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto* castedThis = jsCast<JSOffscreenCanvasDOMConstructor*>(callFrame->jsCallee()); + ASSERT(castedThis); + if (UNLIKELY(callFrame->argumentCount() < 2)) + return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject)); + auto* context = castedThis->scriptExecutionContext(); + if (UNLIKELY(!context)) + return throwConstructorScriptExecutionContextUnavailableError(*lexicalGlobalObject, throwScope, "OffscreenCanvas"); + EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0); + auto width = convert<IDLEnforceRangeAdaptor<IDLUnsignedLong>>(*lexicalGlobalObject, argument0.value()); + RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); + EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1); + auto height = convert<IDLEnforceRangeAdaptor<IDLUnsignedLong>>(*lexicalGlobalObject, argument1.value()); + RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); + auto object = OffscreenCanvas::create(*context, WTFMove(width), WTFMove(height)); + if constexpr (IsExceptionOr<decltype(object)>) + RETURN_IF_EXCEPTION(throwScope, {}); + static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef); + auto jsValue = toJSNewlyCreated<IDLInterface<OffscreenCanvas>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object)); + if constexpr (IsExceptionOr<decltype(object)>) + RETURN_IF_EXCEPTION(throwScope, {}); + setSubclassStructureIfNeeded<OffscreenCanvas>(lexicalGlobalObject, callFrame, asObject(jsValue)); + RETURN_IF_EXCEPTION(throwScope, {}); + return JSValue::encode(jsValue); +} +JSC_ANNOTATE_HOST_FUNCTION(JSOffscreenCanvasDOMConstructorConstruct, JSOffscreenCanvasDOMConstructor::construct); + +template<> const ClassInfo JSOffscreenCanvasDOMConstructor::s_info = { "OffscreenCanvas"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSOffscreenCanvasDOMConstructor) }; + +template<> JSValue JSOffscreenCanvasDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject) +{ + return JSEventTarget::getConstructor(vm, &globalObject); +} + +template<> void JSOffscreenCanvasDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject) +{ + putDirect(vm, vm.propertyNames->length, jsNumber(2), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); + JSString* nameString = jsNontrivialString(vm, "OffscreenCanvas"_s); + m_originalName.set(vm, this, nameString); + putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); + putDirect(vm, vm.propertyNames->prototype, JSOffscreenCanvas::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete); +} + +/* Hash table for prototype */ + +static const HashTableValue JSOffscreenCanvasPrototypeTableValues[] = { + { "constructor", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsOffscreenCanvasConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, + { "width", static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsOffscreenCanvas_width), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSOffscreenCanvas_width) } }, + { "height", static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsOffscreenCanvas_height), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSOffscreenCanvas_height) } }, + { "getContext", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsOffscreenCanvasPrototypeFunction_getContext), (intptr_t)(1) } }, + // { "transferToImageBitmap", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsOffscreenCanvasPrototypeFunction_transferToImageBitmap), (intptr_t)(0) } }, + // { "convertToBlob", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsOffscreenCanvasPrototypeFunction_convertToBlob), (intptr_t)(0) } }, +}; + +const ClassInfo JSOffscreenCanvasPrototype::s_info = { "OffscreenCanvas"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSOffscreenCanvasPrototype) }; + +void JSOffscreenCanvasPrototype::finishCreation(VM& vm) +{ + Base::finishCreation(vm); + reifyStaticProperties(vm, JSOffscreenCanvas::info(), JSOffscreenCanvasPrototypeTableValues, *this); + JSC_TO_STRING_TAG_WITHOUT_TRANSITION(); +} + +const ClassInfo JSOffscreenCanvas::s_info = { "OffscreenCanvas"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSOffscreenCanvas) }; + +JSOffscreenCanvas::JSOffscreenCanvas(Structure* structure, JSDOMGlobalObject& globalObject, Ref<OffscreenCanvas>&& impl) + : JSEventTarget(structure, globalObject, WTFMove(impl)) +{ +} + +void JSOffscreenCanvas::finishCreation(VM& vm) +{ + Base::finishCreation(vm); + ASSERT(inherits(vm, info())); + + // static_assert(!std::is_base_of<ActiveDOMObject, OffscreenCanvas>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject."); +} + +JSObject* JSOffscreenCanvas::createPrototype(VM& vm, JSDOMGlobalObject& globalObject) +{ + return JSOffscreenCanvasPrototype::create(vm, &globalObject, JSOffscreenCanvasPrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject))); +} + +JSObject* JSOffscreenCanvas::prototype(VM& vm, JSDOMGlobalObject& globalObject) +{ + return getDOMPrototype<JSOffscreenCanvas>(vm, globalObject); +} + +JSValue JSOffscreenCanvas::getConstructor(VM& vm, const JSGlobalObject* globalObject) +{ + return getDOMConstructor<JSOffscreenCanvasDOMConstructor, DOMConstructorID::OffscreenCanvas>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject)); +} + +JSC_DEFINE_CUSTOM_GETTER(jsOffscreenCanvasConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName)) +{ + VM& vm = JSC::getVM(lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto* prototype = jsDynamicCast<JSOffscreenCanvasPrototype*>(vm, JSValue::decode(thisValue)); + if (UNLIKELY(!prototype)) + return throwVMTypeError(lexicalGlobalObject, throwScope); + return JSValue::encode(JSOffscreenCanvas::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject())); +} + +static inline JSValue jsOffscreenCanvas_widthGetter(JSGlobalObject& lexicalGlobalObject, JSOffscreenCanvas& thisObject) +{ + auto& vm = JSC::getVM(&lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto& impl = thisObject.wrapped(); + RELEASE_AND_RETURN(throwScope, (toJS<IDLEnforceRangeAdaptor<IDLUnsignedLong>>(lexicalGlobalObject, throwScope, impl.width()))); +} + +JSC_DEFINE_CUSTOM_GETTER(jsOffscreenCanvas_width, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName)) +{ + return IDLAttribute<JSOffscreenCanvas>::get<jsOffscreenCanvas_widthGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName); +} + +static inline bool setJSOffscreenCanvas_widthSetter(JSGlobalObject& lexicalGlobalObject, JSOffscreenCanvas& thisObject, JSValue value) +{ + auto& vm = JSC::getVM(&lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto& impl = thisObject.wrapped(); + auto nativeValue = convert<IDLEnforceRangeAdaptor<IDLUnsignedLong>>(lexicalGlobalObject, value); + RETURN_IF_EXCEPTION(throwScope, false); + invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] { + return impl.setWidth(WTFMove(nativeValue)); + }); + return true; +} + +JSC_DEFINE_CUSTOM_SETTER(setJSOffscreenCanvas_width, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName)) +{ + return IDLAttribute<JSOffscreenCanvas>::set<setJSOffscreenCanvas_widthSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName); +} + +static inline JSValue jsOffscreenCanvas_heightGetter(JSGlobalObject& lexicalGlobalObject, JSOffscreenCanvas& thisObject) +{ + auto& vm = JSC::getVM(&lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto& impl = thisObject.wrapped(); + RELEASE_AND_RETURN(throwScope, (toJS<IDLEnforceRangeAdaptor<IDLUnsignedLong>>(lexicalGlobalObject, throwScope, impl.height()))); +} + +JSC_DEFINE_CUSTOM_GETTER(jsOffscreenCanvas_height, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName)) +{ + return IDLAttribute<JSOffscreenCanvas>::get<jsOffscreenCanvas_heightGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName); +} + +static inline bool setJSOffscreenCanvas_heightSetter(JSGlobalObject& lexicalGlobalObject, JSOffscreenCanvas& thisObject, JSValue value) +{ + auto& vm = JSC::getVM(&lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto& impl = thisObject.wrapped(); + auto nativeValue = convert<IDLEnforceRangeAdaptor<IDLUnsignedLong>>(lexicalGlobalObject, value); + RETURN_IF_EXCEPTION(throwScope, false); + invokeFunctorPropagatingExceptionIfNecessary(lexicalGlobalObject, throwScope, [&] { + return impl.setHeight(WTFMove(nativeValue)); + }); + return true; +} + +JSC_DEFINE_CUSTOM_SETTER(setJSOffscreenCanvas_height, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName)) +{ + return IDLAttribute<JSOffscreenCanvas>::set<setJSOffscreenCanvas_heightSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName); +} + +static inline JSC::EncodedJSValue jsOffscreenCanvasPrototypeFunction_getContextBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSOffscreenCanvas>::ClassParameter castedThis) +{ + auto& vm = JSC::getVM(lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + UNUSED_PARAM(throwScope); + UNUSED_PARAM(callFrame); + auto& impl = castedThis->wrapped(); + if (UNLIKELY(callFrame->argumentCount() < 1)) + return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject)); + EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0); + auto contextType = convert<IDLEnumeration<OffscreenCanvas::RenderingContextType>>(*lexicalGlobalObject, argument0.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentMustBeEnumError(lexicalGlobalObject, scope, 0, "contextType", "OffscreenCanvas", "getContext", expectedEnumerationValues<OffscreenCanvas::RenderingContextType>()); }); + RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); + auto context = impl.getContext(*jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), WTFMove(contextType)); + RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLNullable<IDLUnion<IDLInterface<OffscreenCanvasRenderingContext2D>>>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, context.releaseReturnValue()))); +} + +JSC_DEFINE_HOST_FUNCTION(jsOffscreenCanvasPrototypeFunction_getContext, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + return IDLOperation<JSOffscreenCanvas>::call<jsOffscreenCanvasPrototypeFunction_getContextBody>(*lexicalGlobalObject, *callFrame, "getContext"); +} + +// static inline JSC::EncodedJSValue jsOffscreenCanvasPrototypeFunction_transferToImageBitmapBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSOffscreenCanvas>::ClassParameter castedThis) +// { +// auto& vm = JSC::getVM(lexicalGlobalObject); +// auto throwScope = DECLARE_THROW_SCOPE(vm); +// UNUSED_PARAM(throwScope); +// UNUSED_PARAM(callFrame); +// auto& impl = castedThis->wrapped(); +// RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLInterface<ImageBitmap>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, impl.transferToImageBitmap()))); +// } + +// JSC_DEFINE_HOST_FUNCTION(jsOffscreenCanvasPrototypeFunction_transferToImageBitmap, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +// { +// return IDLOperation<JSOffscreenCanvas>::call<jsOffscreenCanvasPrototypeFunction_transferToImageBitmapBody>(*lexicalGlobalObject, *callFrame, "transferToImageBitmap"); +// } + +// static inline JSC::EncodedJSValue jsOffscreenCanvasPrototypeFunction_convertToBlobBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperationReturningPromise<JSOffscreenCanvas>::ClassParameter castedThis, Ref<DeferredPromise>&& promise) +// { +// auto& vm = JSC::getVM(lexicalGlobalObject); +// auto throwScope = DECLARE_THROW_SCOPE(vm); +// UNUSED_PARAM(throwScope); +// UNUSED_PARAM(callFrame); +// auto& impl = castedThis->wrapped(); +// EnsureStillAliveScope argument0 = callFrame->argument(0); +// auto options = convert<IDLDictionary<OffscreenCanvas::ImageEncodeOptions>>(*lexicalGlobalObject, argument0.value()); +// RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); +// RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLPromise<IDLInterface<Blob>>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, [&]() -> decltype(auto) { return impl.convertToBlob(WTFMove(options), WTFMove(promise)); }))); +// } + +// JSC_DEFINE_HOST_FUNCTION(jsOffscreenCanvasPrototypeFunction_convertToBlob, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +// { +// return IDLOperationReturningPromise<JSOffscreenCanvas>::call<jsOffscreenCanvasPrototypeFunction_convertToBlobBody>(*lexicalGlobalObject, *callFrame, "convertToBlob"); +// } + +JSC::GCClient::IsoSubspace* JSOffscreenCanvas::subspaceForImpl(JSC::VM& vm) +{ + return WebCore::subspaceForImpl<JSOffscreenCanvas, UseCustomHeapCellType::No>( + vm, + [](auto& spaces) { return spaces.m_clientSubspaceForOffscreenCanvas.get(); }, + [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForOffscreenCanvas = WTFMove(space); }, + [](auto& spaces) { return spaces.m_subspaceForOffscreenCanvas.get(); }, + [](auto& spaces, auto&& space) { spaces.m_subspaceForOffscreenCanvas = WTFMove(space); }); +} + +void JSOffscreenCanvas::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer) +{ + auto* thisObject = jsCast<JSOffscreenCanvas*>(cell); + analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped()); + if (thisObject->scriptExecutionContext()) + analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string()); + Base::analyzeHeap(cell, analyzer); +} + +bool JSOffscreenCanvasOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason) +{ + auto* jsOffscreenCanvas = jsCast<JSOffscreenCanvas*>(handle.slot()->asCell()); + if (jsOffscreenCanvas->wrapped().isFiringEventListeners()) { + if (UNLIKELY(reason)) + *reason = "EventTarget firing event listeners"; + return true; + } + OffscreenCanvas* root = &jsOffscreenCanvas->wrapped(); + if (UNLIKELY(reason)) + *reason = "Reachable from OffscreenCanvas"; + return visitor.containsOpaqueRoot(root); +} + +void JSOffscreenCanvasOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context) +{ + auto* jsOffscreenCanvas = static_cast<JSOffscreenCanvas*>(handle.slot()->asCell()); + auto& world = *static_cast<DOMWrapperWorld*>(context); + uncacheWrapper(world, &jsOffscreenCanvas->wrapped(), jsOffscreenCanvas); +} + +// #if ENABLE(BINDING_INTEGRITY) +// #if PLATFORM(WIN) +// #pragma warning(disable : 4483) +// extern "C" { +// extern void (*const __identifier("??_7OffscreenCanvas@WebCore@@6B@")[])(); +// } +// #else +// extern "C" { +// extern void* _ZTVN7WebCore15OffscreenCanvasE[]; +// } +// #endif +// #endif + +JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<OffscreenCanvas>&& impl) +{ + + // if constexpr (std::is_polymorphic_v<OffscreenCanvas>) { + // #if ENABLE(BINDING_INTEGRITY) + // const void* actualVTablePointer = getVTablePointer(impl.ptr()); + // #if PLATFORM(WIN) + // void* expectedVTablePointer = __identifier("??_7OffscreenCanvas@WebCore@@6B@"); + // #else + // void* expectedVTablePointer = &_ZTVN7WebCore15OffscreenCanvasE[2]; + // #endif + + // // If you hit this assertion you either have a use after free bug, or + // // OffscreenCanvas has subclasses. If OffscreenCanvas has subclasses that get passed + // // to toJS() we currently require OffscreenCanvas you to opt out of binding hardening + // // by adding the SkipVTableValidation attribute to the interface IDL definition + // RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer); + // #endif + + return createWrapper<OffscreenCanvas>(globalObject, WTFMove(impl)); +} + +JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, OffscreenCanvas& impl) +{ + return wrap(lexicalGlobalObject, globalObject, impl); +} + +OffscreenCanvas* JSOffscreenCanvas::toWrapped(JSC::VM& vm, JSC::JSValue value) +{ + if (auto* wrapper = jsDynamicCast<JSOffscreenCanvas*>(vm, value)) + return &wrapper->wrapped(); + return nullptr; +} +}
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