JSEventTargetCustom.h [plain text]
#pragma once
#include "DOMWindow.h"
#include "JSDOMBinding.h"
#include "JSDOMBindingSecurity.h"
#include "JSDOMOperation.h"
namespace WebCore {
class JSEventTargetWrapper {
WTF_MAKE_FAST_ALLOCATED;
public:
JSEventTargetWrapper(EventTarget& wrapped, JSC::JSObject& wrapper)
: m_wrapped(wrapped)
, m_wrapper(wrapper)
{ }
EventTarget& wrapped() { return m_wrapped; }
operator JSC::JSObject&() { return m_wrapper; }
private:
EventTarget& m_wrapped;
JSC::JSObject& m_wrapper;
};
std::unique_ptr<JSEventTargetWrapper> jsEventTargetCast(JSC::VM&, JSC::JSValue thisValue);
template<> class IDLOperation<JSEventTarget> {
public:
using ClassParameter = JSEventTargetWrapper*;
using Operation = JSC::EncodedJSValue(JSC::JSGlobalObject*, JSC::CallFrame*, ClassParameter);
template<Operation operation, CastedThisErrorBehavior = CastedThisErrorBehavior::Throw>
static JSC::EncodedJSValue call(JSC::JSGlobalObject& lexicalGlobalObject, JSC::CallFrame& callFrame, const char* operationName)
{
auto& vm = JSC::getVM(&lexicalGlobalObject);
auto throwScope = DECLARE_THROW_SCOPE(vm);
auto thisObject = jsEventTargetCast(vm, callFrame.thisValue().toThis(&lexicalGlobalObject, JSC::ECMAMode::sloppy()));
if (UNLIKELY(!thisObject))
return throwThisTypeError(lexicalGlobalObject, throwScope, "EventTarget", operationName);
auto& wrapped = thisObject->wrapped();
if (is<DOMWindow>(wrapped)) {
auto& window = downcast<DOMWindow>(wrapped);
if (!window.frame() || !BindingSecurity::shouldAllowAccessToDOMWindow(&lexicalGlobalObject, window, ThrowSecurityError))
return JSC::JSValue::encode(JSC::jsUndefined());
}
RELEASE_AND_RETURN(throwScope, (operation(&lexicalGlobalObject, &callFrame, thisObject.get())));
}
};
}