bool JSSharedWorkerOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
{
JSSharedWorker* jsSharedWorker = jsCast<JSSharedWorker*>(handle.get().asCell());
if (jsSharedWorker->impl().hasPendingActivity())
return true;
if (jsSharedWorker->impl().isFiringEventListeners())
return true;
UNUSED_PARAM(visitor);
return false;
}
void JSSharedWorkerOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
JSSharedWorker* jsSharedWorker = jsCast<JSSharedWorker*>(handle.get().asCell());
DOMWrapperWorld& world = *static_cast<DOMWrapperWorld*>(context);
uncacheWrapper(world, &jsSharedWorker->impl(), jsSharedWorker);
jsSharedWorker->releaseImpl();
}
void JSSharedWorker::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
JSSharedWorker* thisObject = jsCast<JSSharedWorker*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
Base::visitChildren(thisObject, visitor);
if (MessagePort* port = thisObject->impl()->port())
visitor.addOpaqueRoot(port);
}
EncodedJSValue jsSharedWorkerPort(ExecState* exec, EncodedJSValue slotBase, EncodedJSValue thisValue, PropertyName)
{
JSSharedWorker* castedThis = jsDynamicCast<JSSharedWorker*>(JSValue::decode(thisValue));
UNUSED_PARAM(slotBase);
if (!castedThis)
return throwVMTypeError(exec);
UNUSED_PARAM(exec);
SharedWorker& impl = castedThis->impl();
JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(impl.port()));
return JSValue::encode(result);
}
void setJSSharedWorkerOnerror(ExecState* exec, EncodedJSValue thisValue, EncodedJSValue encodedValue)
{
JSValue value = JSValue::decode(encodedValue);
UNUSED_PARAM(exec);
JSSharedWorker* castedThis = jsDynamicCast<JSSharedWorker*>(JSValue::decode(thisValue));
if (!castedThis) {
throwVMTypeError(exec);
return;
}
UNUSED_PARAM(exec);
SharedWorker& impl = castedThis->impl();
impl.setOnerror(createJSAttributeEventListener(exec, value, castedThis));
}
EncodedJSValue jsSharedWorkerOnerror(ExecState* exec, EncodedJSValue slotBase, EncodedJSValue thisValue, PropertyName)
{
JSSharedWorker* castedThis = jsDynamicCast<JSSharedWorker*>(JSValue::decode(thisValue));
UNUSED_PARAM(slotBase);
if (!castedThis)
return throwVMTypeError(exec);
UNUSED_PARAM(exec);
SharedWorker& impl = castedThis->impl();
if (EventListener* listener = impl.onerror()) {
if (const JSEventListener* jsListener = JSEventListener::cast(listener)) {
if (JSObject* jsFunction = jsListener->jsFunction(impl.scriptExecutionContext()))
return JSValue::encode(jsFunction);
}
}
return JSValue::encode(jsNull());
}