#include "config.h"
#include "JSNPMethod.h"
#if ENABLE(NETSCAPE_PLUGIN_API)
#include "JSNPObject.h"
#include <JavaScriptCore/Error.h>
#include <JavaScriptCore/FunctionPrototype.h>
#include <JavaScriptCore/IsoSubspacePerVM.h>
#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
#include <JavaScriptCore/JSGlobalObject.h>
#include <JavaScriptCore/JSObject.h>
#include <WebCore/JSHTMLElement.h>
#include <WebCore/JSPluginElementFunctions.h>
using namespace JSC;
using namespace WebCore;
namespace WebKit {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSNPMethod);
const ClassInfo JSNPMethod::s_info = { "NPMethod", &InternalFunction::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSNPMethod) };
static EncodedJSValue JSC_HOST_CALL callMethod(ExecState*);
JSNPMethod::JSNPMethod(JSGlobalObject* globalObject, Structure* structure, NPIdentifier npIdentifier)
: InternalFunction(globalObject->vm(), structure, callMethod, nullptr)
, m_npIdentifier(npIdentifier)
{
}
void JSNPMethod::finishCreation(VM& vm, const String& name)
{
Base::finishCreation(vm, name);
ASSERT(inherits(vm, info()));
}
IsoSubspace* JSNPMethod::subspaceForImpl(VM& vm)
{
static NeverDestroyed<IsoSubspacePerVM> perVM([] (VM& vm) { return ISO_SUBSPACE_PARAMETERS(vm.destructibleObjectHeapCellType.get(), JSNPMethod); });
return &perVM.get().forVM(vm);
}
static EncodedJSValue JSC_HOST_CALL callMethod(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSNPMethod* jsNPMethod = jsCast<JSNPMethod*>(exec->jsCallee());
JSValue thisValue = exec->thisValue();
if (thisValue.inherits<JSHTMLElement>(vm)) {
JSHTMLElement* element = jsCast<JSHTMLElement*>(asObject(thisValue));
if (JSObject* scriptObject = pluginScriptObject(exec, element))
thisValue = scriptObject;
}
if (thisValue.inherits<JSNPObject>(vm)) {
JSNPObject* jsNPObject = jsCast<JSNPObject*>(asObject(thisValue));
return JSValue::encode(jsNPObject->callMethod(exec, jsNPMethod->npIdentifier()));
}
return throwVMTypeError(exec, scope);
}
}
#endif // ENABLE(NETSCAPE_PLUGIN_API)