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#include "config.h"
#include "JSEventEmitter.h"
#include "EventEmitter.h"
#include "JSDOMWrapperCache.h"
#include "JSEventListener.h"
namespace WebCore {
using namespace JSC;
JSValue toJSNewlyCreated(JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<EventEmitter>&& value)
{
return createWrapper<EventEmitter>(globalObject, WTFMove(value));
}
EventEmitter* JSEventEmitter::toWrapped(VM& vm, JSValue value)
{
if (value.inherits<JSEventEmitter>())
return &jsCast<JSEventEmitter*>(asObject(value))->wrapped();
return nullptr;
}
std::unique_ptr<JSEventEmitterWrapper> jsEventEmitterCast(VM& vm, JSC::JSGlobalObject* lexicalGlobalObject, JSValue thisValue)
{
if (auto* target = jsDynamicCast<JSEventEmitter*>(thisValue))
return makeUnique<JSEventEmitterWrapper>(target->wrapped(), *target);
if (auto* object = jsDynamicCast<JSNonFinalObject*>(thisValue)) {
// need to create a EventEmitter for Object.
// use `mapPrivateName` as it is not occupied.
auto emitterTag = WebCore::clientData(vm)->builtinNames().mapPrivateName();
JSC::JSValue value = object->getDirect(vm, emitterTag);
if (!value) {
Zig::GlobalObject* globalObject = reinterpret_cast<Zig::GlobalObject*>(lexicalGlobalObject);
value = WebCore::toJSNewlyCreated(lexicalGlobalObject, globalObject, EventEmitter::create(*globalObject->scriptExecutionContext()));
object->putDirect(vm, emitterTag, value);
}
auto* target = jsCast<JSEventEmitter*>(value);
return makeUnique<JSEventEmitterWrapper>(target->wrapped(), *target);
}
return nullptr;
}
template<typename Visitor>
void JSEventEmitter::visitAdditionalChildren(Visitor& visitor)
{
wrapped().eventListenerMap().visitJSEventListeners(visitor);
}
DEFINE_VISIT_ADDITIONAL_CHILDREN(JSEventEmitter);
} // namespace WebCore
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