DerivedSources/WebCore/JSHTMLCanvasElement.cpp - third_party/webkit - Git at Google

 /*
     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 "JSHTMLCanvasElement.h"

 #include "JSDOMBinding.h"
 #include "JSDOMConstructor.h"
 #include "JSDOMConvert.h"
 #include <runtime/Error.h>
 #include <wtf/GetPtr.h>

 using namespace JSC;

 namespace WebCore {

 // Functions

 JSC::EncodedJSValue JSC_HOST_CALL jsHTMLCanvasElementPrototypeFunctionToDataURL(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsHTMLCanvasElementPrototypeFunctionGetContext(JSC::ExecState*);

 // Attributes

 JSC::EncodedJSValue jsHTMLCanvasElementWidth(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSHTMLCanvasElementWidth(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
 JSC::EncodedJSValue jsHTMLCanvasElementHeight(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSHTMLCanvasElementHeight(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
 JSC::EncodedJSValue jsHTMLCanvasElementConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSHTMLCanvasElementConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

 class JSHTMLCanvasElementPrototype : public JSC::JSNonFinalObject {
 public:
     typedef JSC::JSNonFinalObject Base;
     static JSHTMLCanvasElementPrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
     {
         JSHTMLCanvasElementPrototype* ptr = new (NotNull, JSC::allocateCell<JSHTMLCanvasElementPrototype>(vm.heap)) JSHTMLCanvasElementPrototype(vm, globalObject, structure);
         ptr->finishCreation(vm);
         return ptr;
     }

     DECLARE_INFO;
     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:
     JSHTMLCanvasElementPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
         : JSC::JSNonFinalObject(vm, structure)
     {
     }

     void finishCreation(JSC::VM&);
 };

 typedef JSDOMConstructorNotConstructable<JSHTMLCanvasElement> JSHTMLCanvasElementConstructor;

 template<> JSValue JSHTMLCanvasElementConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
 {
     return JSHTMLElement::getConstructor(vm, &globalObject);
 }

 template<> void JSHTMLCanvasElementConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
 {
     putDirect(vm, vm.propertyNames->prototype, JSHTMLCanvasElement::prototype(vm, &globalObject), DontDelete | ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("HTMLCanvasElement"))), ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->length, jsNumber(0), ReadOnly | DontEnum);
 }

 template<> const ClassInfo JSHTMLCanvasElementConstructor::s_info = { "HTMLCanvasElement", &Base::s_info, 0, CREATE_METHOD_TABLE(JSHTMLCanvasElementConstructor) };

 /* Hash table for prototype */

 static const HashTableValue JSHTMLCanvasElementPrototypeTableValues[] =
 {
     { "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHTMLCanvasElementConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSHTMLCanvasElementConstructor) } },
     { "width", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHTMLCanvasElementWidth), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSHTMLCanvasElementWidth) } },
     { "height", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHTMLCanvasElementHeight), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSHTMLCanvasElementHeight) } },
     { "toDataURL", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHTMLCanvasElementPrototypeFunctionToDataURL), (intptr_t) (0) } },
     { "getContext", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHTMLCanvasElementPrototypeFunctionGetContext), (intptr_t) (1) } },
 };

 const ClassInfo JSHTMLCanvasElementPrototype::s_info = { "HTMLCanvasElementPrototype", &Base::s_info, 0, CREATE_METHOD_TABLE(JSHTMLCanvasElementPrototype) };

 void JSHTMLCanvasElementPrototype::finishCreation(VM& vm)
 {
     Base::finishCreation(vm);
     reifyStaticProperties(vm, JSHTMLCanvasElementPrototypeTableValues, *this);
 }

 const ClassInfo JSHTMLCanvasElement::s_info = { "HTMLCanvasElement", &Base::s_info, 0, CREATE_METHOD_TABLE(JSHTMLCanvasElement) };

 JSHTMLCanvasElement::JSHTMLCanvasElement(Structure* structure, JSDOMGlobalObject& globalObject, Ref<HTMLCanvasElement>&& impl)
     : JSHTMLElement(structure, globalObject, WTFMove(impl))
 {
 }

 JSObject* JSHTMLCanvasElement::createPrototype(VM& vm, JSGlobalObject* globalObject)
 {
     return JSHTMLCanvasElementPrototype::create(vm, globalObject, JSHTMLCanvasElementPrototype::createStructure(vm, globalObject, JSHTMLElement::prototype(vm, globalObject)));
 }

 JSObject* JSHTMLCanvasElement::prototype(VM& vm, JSGlobalObject* globalObject)
 {
     return getDOMPrototype<JSHTMLCanvasElement>(vm, globalObject);
 }

 EncodedJSValue jsHTMLCanvasElementWidth(ExecState* state, EncodedJSValue thisValue, PropertyName)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     UNUSED_PARAM(thisValue);
     JSValue decodedThisValue = JSValue::decode(thisValue);
     auto* castedThis = jsDynamicCast<JSHTMLCanvasElement*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "HTMLCanvasElement", "width");
     }
     auto& impl = castedThis->wrapped();
     JSValue result = jsNumber(impl.width());
     return JSValue::encode(result);
 }


 EncodedJSValue jsHTMLCanvasElementHeight(ExecState* state, EncodedJSValue thisValue, PropertyName)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     UNUSED_PARAM(thisValue);
     JSValue decodedThisValue = JSValue::decode(thisValue);
     auto* castedThis = jsDynamicCast<JSHTMLCanvasElement*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "HTMLCanvasElement", "height");
     }
     auto& impl = castedThis->wrapped();
     JSValue result = jsNumber(impl.height());
     return JSValue::encode(result);
 }


 EncodedJSValue jsHTMLCanvasElementConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     JSHTMLCanvasElementPrototype* domObject = jsDynamicCast<JSHTMLCanvasElementPrototype*>(JSValue::decode(thisValue));
     if (UNLIKELY(!domObject))
         return throwVMTypeError(state, throwScope);
     return JSValue::encode(JSHTMLCanvasElement::getConstructor(state->vm(), domObject->globalObject()));
 }

 bool setJSHTMLCanvasElementConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     JSValue value = JSValue::decode(encodedValue);
     JSHTMLCanvasElementPrototype* domObject = jsDynamicCast<JSHTMLCanvasElementPrototype*>(JSValue::decode(thisValue));
     if (UNLIKELY(!domObject)) {
         throwVMTypeError(state, throwScope);
         return false;
     }
     // Shadowing a built-in constructor
     return domObject->putDirect(state->vm(), state->propertyNames().constructor, value);
 }

 bool setJSHTMLCanvasElementWidth(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue value = JSValue::decode(encodedValue);
     UNUSED_PARAM(thisValue);
     JSHTMLCanvasElement* castedThis = jsDynamicCast<JSHTMLCanvasElement*>(JSValue::decode(thisValue));
     if (UNLIKELY(!castedThis)) {
         return throwSetterTypeError(*state, throwScope, "HTMLCanvasElement", "width");
     }
     auto& impl = castedThis->wrapped();
     auto nativeValue = convert<uint32_t>(*state, value, NormalConversion);
     RETURN_IF_EXCEPTION(throwScope, false);
     impl.setWidth(WTFMove(nativeValue));
     return true;
 }


 bool setJSHTMLCanvasElementHeight(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue value = JSValue::decode(encodedValue);
     UNUSED_PARAM(thisValue);
     JSHTMLCanvasElement* castedThis = jsDynamicCast<JSHTMLCanvasElement*>(JSValue::decode(thisValue));
     if (UNLIKELY(!castedThis)) {
         return throwSetterTypeError(*state, throwScope, "HTMLCanvasElement", "height");
     }
     auto& impl = castedThis->wrapped();
     auto nativeValue = convert<uint32_t>(*state, value, NormalConversion);
     RETURN_IF_EXCEPTION(throwScope, false);
     impl.setHeight(WTFMove(nativeValue));
     return true;
 }


 JSValue JSHTMLCanvasElement::getConstructor(VM& vm, const JSGlobalObject* globalObject)
 {
     return getDOMConstructor<JSHTMLCanvasElementConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
 }

 EncodedJSValue JSC_HOST_CALL jsHTMLCanvasElementPrototypeFunctionToDataURL(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSHTMLCanvasElement*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "HTMLCanvasElement", "toDataURL");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSHTMLCanvasElement::info());
     return JSValue::encode(castedThis->toDataURL(*state));
 }

 EncodedJSValue JSC_HOST_CALL jsHTMLCanvasElementPrototypeFunctionGetContext(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSHTMLCanvasElement*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "HTMLCanvasElement", "getContext");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSHTMLCanvasElement::info());
     return JSValue::encode(castedThis->getContext(*state));
 }

 void JSHTMLCanvasElement::visitChildren(JSCell* cell, SlotVisitor& visitor)
 {
     auto* thisObject = jsCast<JSHTMLCanvasElement*>(cell);
     ASSERT_GC_OBJECT_INHERITS(thisObject, info());
     Base::visitChildren(thisObject, visitor);
     thisObject->wrapped().visitJSEventListeners(visitor);
     visitor.reportExtraMemoryVisited(thisObject->wrapped().memoryCost());
 #if ENABLE(RESOURCE_USAGE)
     visitor.reportExternalMemoryVisited(thisObject->wrapped().externalMemoryCost());
 #endif
 }

 size_t JSHTMLCanvasElement::estimatedSize(JSCell* cell)
 {
     auto* thisObject = jsCast<JSHTMLCanvasElement*>(cell);
     return Base::estimatedSize(thisObject) + thisObject->wrapped().memoryCost();
 }

 HTMLCanvasElement* JSHTMLCanvasElement::toWrapped(JSC::JSValue value)
 {
     if (auto* wrapper = jsDynamicCast<JSHTMLCanvasElement*>(value))
         return &wrapper->wrapped();
     return nullptr;
 }

 }
	/*
	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 "JSHTMLCanvasElement.h"

	#include "JSDOMBinding.h"
	#include "JSDOMConstructor.h"
	#include "JSDOMConvert.h"
	#include <runtime/Error.h>
	#include <wtf/GetPtr.h>

	using namespace JSC;

	namespace WebCore {

	// Functions

	JSC::EncodedJSValue JSC_HOST_CALL jsHTMLCanvasElementPrototypeFunctionToDataURL(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsHTMLCanvasElementPrototypeFunctionGetContext(JSC::ExecState*);

	// Attributes

	JSC::EncodedJSValue jsHTMLCanvasElementWidth(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSHTMLCanvasElementWidth(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
	JSC::EncodedJSValue jsHTMLCanvasElementHeight(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSHTMLCanvasElementHeight(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
	JSC::EncodedJSValue jsHTMLCanvasElementConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSHTMLCanvasElementConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

	class JSHTMLCanvasElementPrototype : public JSC::JSNonFinalObject {
	public:
	typedef JSC::JSNonFinalObject Base;
	static JSHTMLCanvasElementPrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
	{
	JSHTMLCanvasElementPrototype* ptr = new (NotNull, JSC::allocateCell<JSHTMLCanvasElementPrototype>(vm.heap)) JSHTMLCanvasElementPrototype(vm, globalObject, structure);
	ptr->finishCreation(vm);
	return ptr;
	}

	DECLARE_INFO;
	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:
	JSHTMLCanvasElementPrototype(JSC::VM& vm, JSC::JSGlobalObject, JSC::Structure structure)
	: JSC::JSNonFinalObject(vm, structure)
	{
	}

	void finishCreation(JSC::VM&);
	};

	typedef JSDOMConstructorNotConstructable<JSHTMLCanvasElement> JSHTMLCanvasElementConstructor;

	template<> JSValue JSHTMLCanvasElementConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
	{
	return JSHTMLElement::getConstructor(vm, &globalObject);
	}

	template<> void JSHTMLCanvasElementConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
	{
	putDirect(vm, vm.propertyNames->prototype, JSHTMLCanvasElement::prototype(vm, &globalObject), DontDelete \| ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("HTMLCanvasElement"))), ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->length, jsNumber(0), ReadOnly \| DontEnum);
	}

	template<> const ClassInfo JSHTMLCanvasElementConstructor::s_info = { "HTMLCanvasElement", &Base::s_info, 0, CREATE_METHOD_TABLE(JSHTMLCanvasElementConstructor) };

	/* Hash table for prototype */

	static const HashTableValue JSHTMLCanvasElementPrototypeTableValues[] =
	{
	{ "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHTMLCanvasElementConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSHTMLCanvasElementConstructor) } },
	{ "width", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHTMLCanvasElementWidth), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSHTMLCanvasElementWidth) } },
	{ "height", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHTMLCanvasElementHeight), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSHTMLCanvasElementHeight) } },
	{ "toDataURL", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHTMLCanvasElementPrototypeFunctionToDataURL), (intptr_t) (0) } },
	{ "getContext", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHTMLCanvasElementPrototypeFunctionGetContext), (intptr_t) (1) } },
	};

	const ClassInfo JSHTMLCanvasElementPrototype::s_info = { "HTMLCanvasElementPrototype", &Base::s_info, 0, CREATE_METHOD_TABLE(JSHTMLCanvasElementPrototype) };

	void JSHTMLCanvasElementPrototype::finishCreation(VM& vm)
	{
	Base::finishCreation(vm);
	reifyStaticProperties(vm, JSHTMLCanvasElementPrototypeTableValues, *this);
	}

	const ClassInfo JSHTMLCanvasElement::s_info = { "HTMLCanvasElement", &Base::s_info, 0, CREATE_METHOD_TABLE(JSHTMLCanvasElement) };

	JSHTMLCanvasElement::JSHTMLCanvasElement(Structure* structure, JSDOMGlobalObject& globalObject, Ref<HTMLCanvasElement>&& impl)
	: JSHTMLElement(structure, globalObject, WTFMove(impl))
	{
	}

	JSObject* JSHTMLCanvasElement::createPrototype(VM& vm, JSGlobalObject* globalObject)
	{
	return JSHTMLCanvasElementPrototype::create(vm, globalObject, JSHTMLCanvasElementPrototype::createStructure(vm, globalObject, JSHTMLElement::prototype(vm, globalObject)));
	}

	JSObject* JSHTMLCanvasElement::prototype(VM& vm, JSGlobalObject* globalObject)
	{
	return getDOMPrototype<JSHTMLCanvasElement>(vm, globalObject);
	}

	EncodedJSValue jsHTMLCanvasElementWidth(ExecState* state, EncodedJSValue thisValue, PropertyName)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	UNUSED_PARAM(thisValue);
	JSValue decodedThisValue = JSValue::decode(thisValue);
	auto* castedThis = jsDynamicCast<JSHTMLCanvasElement*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "HTMLCanvasElement", "width");
	}
	auto& impl = castedThis->wrapped();
	JSValue result = jsNumber(impl.width());
	return JSValue::encode(result);
	}


	EncodedJSValue jsHTMLCanvasElementHeight(ExecState* state, EncodedJSValue thisValue, PropertyName)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	UNUSED_PARAM(thisValue);
	JSValue decodedThisValue = JSValue::decode(thisValue);
	auto* castedThis = jsDynamicCast<JSHTMLCanvasElement*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "HTMLCanvasElement", "height");
	}
	auto& impl = castedThis->wrapped();
	JSValue result = jsNumber(impl.height());
	return JSValue::encode(result);
	}


	EncodedJSValue jsHTMLCanvasElementConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	JSHTMLCanvasElementPrototype* domObject = jsDynamicCast<JSHTMLCanvasElementPrototype*>(JSValue::decode(thisValue));
	if (UNLIKELY(!domObject))
	return throwVMTypeError(state, throwScope);
	return JSValue::encode(JSHTMLCanvasElement::getConstructor(state->vm(), domObject->globalObject()));
	}

	bool setJSHTMLCanvasElementConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	JSValue value = JSValue::decode(encodedValue);
	JSHTMLCanvasElementPrototype* domObject = jsDynamicCast<JSHTMLCanvasElementPrototype*>(JSValue::decode(thisValue));
	if (UNLIKELY(!domObject)) {
	throwVMTypeError(state, throwScope);
	return false;
	}
	// Shadowing a built-in constructor
	return domObject->putDirect(state->vm(), state->propertyNames().constructor, value);
	}

	bool setJSHTMLCanvasElementWidth(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue value = JSValue::decode(encodedValue);
	UNUSED_PARAM(thisValue);
	JSHTMLCanvasElement* castedThis = jsDynamicCast<JSHTMLCanvasElement*>(JSValue::decode(thisValue));
	if (UNLIKELY(!castedThis)) {
	return throwSetterTypeError(*state, throwScope, "HTMLCanvasElement", "width");
	}
	auto& impl = castedThis->wrapped();
	auto nativeValue = convert<uint32_t>(*state, value, NormalConversion);
	RETURN_IF_EXCEPTION(throwScope, false);
	impl.setWidth(WTFMove(nativeValue));
	return true;
	}


	bool setJSHTMLCanvasElementHeight(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue value = JSValue::decode(encodedValue);
	UNUSED_PARAM(thisValue);
	JSHTMLCanvasElement* castedThis = jsDynamicCast<JSHTMLCanvasElement*>(JSValue::decode(thisValue));
	if (UNLIKELY(!castedThis)) {
	return throwSetterTypeError(*state, throwScope, "HTMLCanvasElement", "height");
	}
	auto& impl = castedThis->wrapped();
	auto nativeValue = convert<uint32_t>(*state, value, NormalConversion);
	RETURN_IF_EXCEPTION(throwScope, false);
	impl.setHeight(WTFMove(nativeValue));
	return true;
	}


	JSValue JSHTMLCanvasElement::getConstructor(VM& vm, const JSGlobalObject* globalObject)
	{
	return getDOMConstructor<JSHTMLCanvasElementConstructor>(vm, jsCast<const JSDOMGlobalObject>(globalObject));
	}

	EncodedJSValue JSC_HOST_CALL jsHTMLCanvasElementPrototypeFunctionToDataURL(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSHTMLCanvasElement*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "HTMLCanvasElement", "toDataURL");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSHTMLCanvasElement::info());
	return JSValue::encode(castedThis->toDataURL(*state));
	}

	EncodedJSValue JSC_HOST_CALL jsHTMLCanvasElementPrototypeFunctionGetContext(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSHTMLCanvasElement*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "HTMLCanvasElement", "getContext");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSHTMLCanvasElement::info());
	return JSValue::encode(castedThis->getContext(*state));
	}

	void JSHTMLCanvasElement::visitChildren(JSCell* cell, SlotVisitor& visitor)
	{
	auto* thisObject = jsCast<JSHTMLCanvasElement*>(cell);
	ASSERT_GC_OBJECT_INHERITS(thisObject, info());
	Base::visitChildren(thisObject, visitor);
	thisObject->wrapped().visitJSEventListeners(visitor);
	visitor.reportExtraMemoryVisited(thisObject->wrapped().memoryCost());
	#if ENABLE(RESOURCE_USAGE)
	visitor.reportExternalMemoryVisited(thisObject->wrapped().externalMemoryCost());
	#endif
	}

	size_t JSHTMLCanvasElement::estimatedSize(JSCell* cell)
	{
	auto* thisObject = jsCast<JSHTMLCanvasElement*>(cell);
	return Base::estimatedSize(thisObject) + thisObject->wrapped().memoryCost();
	}

	HTMLCanvasElement* JSHTMLCanvasElement::toWrapped(JSC::JSValue value)
	{
	if (auto* wrapper = jsDynamicCast<JSHTMLCanvasElement*>(value))
	return &wrapper->wrapped();
	return nullptr;
	}

	}