bool JSMessagePortOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
{
JSMessagePort* jsMessagePort = static_cast<JSMessagePort*>(handle.get().asCell());
if (jsMessagePort->impl()->hasPendingActivity())
return true;
if (!isObservable(jsMessagePort))
return false;
MessagePort* root = jsMessagePort->impl();
return visitor.containsOpaqueRoot(root);
}
void setJSMessagePortOnmessage(ExecState* exec, JSObject* thisObject, JSValue value)
{
UNUSED_PARAM(exec);
JSMessagePort* castedThis = static_cast<JSMessagePort*>(thisObject);
MessagePort* imp = static_cast<MessagePort*>(castedThis->impl());
imp->setOnmessage(createJSAttributeEventListener(exec, value, thisObject));
}
JSValue JSC_HOST_CALL jsMessagePortPrototypeFunctionClose(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
UNUSED_PARAM(args);
if (!thisValue.inherits(&JSMessagePort::s_info))
return throwError(exec, TypeError);
JSMessagePort* castedThisObj = static_cast<JSMessagePort*>(asObject(thisValue));
MessagePort* imp = static_cast<MessagePort*>(castedThisObj->impl());
imp->close();
return jsUndefined();
}
EncodedJSValue JSC_HOST_CALL jsMessagePortPrototypeFunctionClose(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&JSMessagePort::s_info))
return throwVMTypeError(exec);
JSMessagePort* castedThis = static_cast<JSMessagePort*>(asObject(thisValue));
ASSERT_GC_OBJECT_INHERITS(castedThis, &JSMessagePort::s_info);
MessagePort* imp = static_cast<MessagePort*>(castedThis->impl());
imp->close();
return JSValue::encode(jsUndefined());
}
JSValue jsMessagePortOnmessage(ExecState* exec, JSValue slotBase, const Identifier&)
{
JSMessagePort* castedThis = static_cast<JSMessagePort*>(asObject(slotBase));
UNUSED_PARAM(exec);
MessagePort* imp = static_cast<MessagePort*>(castedThis->impl());
if (EventListener* listener = imp->onmessage()) {
if (const JSEventListener* jsListener = JSEventListener::cast(listener)) {
if (JSObject* jsFunction = jsListener->jsFunction(imp->scriptExecutionContext()))
return jsFunction;
}
}
return jsNull();
}
JSValue JSC_HOST_CALL jsMessagePortPrototypeFunctionDispatchEvent(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
UNUSED_PARAM(args);
if (!thisValue.inherits(&JSMessagePort::s_info))
return throwError(exec, TypeError);
JSMessagePort* castedThisObj = static_cast<JSMessagePort*>(asObject(thisValue));
MessagePort* imp = static_cast<MessagePort*>(castedThisObj->impl());
ExceptionCode ec = 0;
Event* evt = toEvent(args.at(0));
JSC::JSValue result = jsBoolean(imp->dispatchEvent(evt, ec));
setDOMException(exec, ec);
return result;
}
EncodedJSValue JSC_HOST_CALL jsMessagePortPrototypeFunctionRemoveEventListener(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&JSMessagePort::s_info))
return throwVMTypeError(exec);
JSMessagePort* castedThis = static_cast<JSMessagePort*>(asObject(thisValue));
ASSERT_GC_OBJECT_INHERITS(castedThis, &JSMessagePort::s_info);
MessagePort* imp = static_cast<MessagePort*>(castedThis->impl());
if (exec->argumentCount() < 2)
return throwVMError(exec, createTypeError(exec, "Not enough arguments"));
JSValue listener = exec->argument(1);
if (!listener.isObject())
return JSValue::encode(jsUndefined());
imp->removeEventListener(ustringToAtomicString(exec->argument(0).toString(exec)), JSEventListener::create(asObject(listener), castedThis, false, currentWorld(exec)).get(), exec->argument(2).toBoolean(exec));
return JSValue::encode(jsUndefined());
}
EncodedJSValue JSC_HOST_CALL jsMessagePortPrototypeFunctionDispatchEvent(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&JSMessagePort::s_info))
return throwVMTypeError(exec);
JSMessagePort* castedThis = static_cast<JSMessagePort*>(asObject(thisValue));
ASSERT_GC_OBJECT_INHERITS(castedThis, &JSMessagePort::s_info);
MessagePort* imp = static_cast<MessagePort*>(castedThis->impl());
if (exec->argumentCount() < 1)
return throwVMError(exec, createTypeError(exec, "Not enough arguments"));
ExceptionCode ec = 0;
Event* evt(toEvent(exec->argument(0)));
if (exec->hadException())
return JSValue::encode(jsUndefined());
JSC::JSValue result = jsBoolean(imp->dispatchEvent(evt, ec));
setDOMException(exec, ec);
return JSValue::encode(result);
}
void JSMessagePortOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
JSMessagePort* jsMessagePort = static_cast<JSMessagePort*>(handle.get().asCell());
DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
uncacheWrapper(world, jsMessagePort->impl(), jsMessagePort);
}