ServiceWorker: Implement attributes of ExtendableMessageEvent

third_party/WebKit/Source/bindings/modules/v8/custom/V8ServiceWorkerMessageEventCustom.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "bindings/modules/v8/V8ServiceWorkerMessageEvent.h"
 
-#include "bindings/core/v8/SerializedScriptValue.h"
-#include "bindings/core/v8/SerializedScriptValueFactory.h"
-#include "bindings/core/v8/V8HiddenValue.h"
 #include "bindings/modules/v8/V8ServiceWorkerMessageEventInit.h"
+#include "bindings/modules/v8/V8ServiceWorkerMessageEventInternal.h"
 
 namespace blink {
 
 void V8ServiceWorkerMessageEvent::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ConstructionContext, "ServiceWorkerMessageEvent", info.Holder(), info.GetIsolate());
-    if (UNLIKELY(info.Length() < 1)) {
-        setMinimumArityTypeError(exceptionState, 1, info.Length());
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    V8StringResource<> type = info[0];
-    if (!type.prepare())
-        return;
-
-    ServiceWorkerMessageEventInit eventInitDict;
-    if (!isUndefinedOrNull(info[1])) {
-        if (!info[1]->IsObject()) {
-            exceptionState.throwTypeError("parameter 2 ('eventInitDict') is not an object.");
-            exceptionState.throwIfNeeded();
-            return;
-        }
-        V8ServiceWorkerMessageEventInit::toImpl(info.GetIsolate(), info[1], eventInitDict, exceptionState);
-        if (exceptionState.throwIfNeeded())
-            return;
-    }
-
-    RefPtrWillBeRawPtr<ServiceWorkerMessageEvent> impl = ServiceWorkerMessageEvent::create(type, eventInitDict);
-    v8::Local<v8::Object> wrapper = info.Holder();
-    wrapper = impl->associateWithWrapper(info.GetIsolate(), &V8ServiceWorkerMessageEvent::wrapperTypeInfo, wrapper);
-
-    // TODO(bashi): Workaround for http://crbug.com/529941. We need to store
-    // |data| as a hidden value to avoid cycle references.
-    if (eventInitDict.hasData()) {
-        v8::Local<v8::Value> v8Data = eventInitDict.data().v8Value();
-        V8HiddenValue::setHiddenValue(ScriptState::current(info.GetIsolate()), wrapper, V8HiddenValue::data(info.GetIsolate()), v8Data);
-        if (DOMWrapperWorld::current(info.GetIsolate()).isIsolatedWorld())
-            impl->setSerializedData(SerializedScriptValueFactory::instance().createAndSwallowExceptions(info.GetIsolate(), v8Data));
-    }
-    v8SetReturnValue(info, wrapper);
+    V8ServiceWorkerMessageEventInternal::constructorCustom<ServiceWorkerMessageEvent, ServiceWorkerMessageEventInit>(info);
 }
 
 void V8ServiceWorkerMessageEvent::dataAttributeGetterCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ServiceWorkerMessageEvent* event = V8ServiceWorkerMessageEvent::toImpl(info.Holder());
-    v8::Isolate* isolate = info.GetIsolate();
-    ScriptState* scriptState = ScriptState::current(isolate);
-    v8::Local<v8::Value> result = V8HiddenValue::getHiddenValue(scriptState, info.Holder(), V8HiddenValue::data(isolate));
-
-    if (!result.IsEmpty()) {
-        v8SetReturnValue(info, result);
-        return;
-    }
-
-    v8::Local<v8::Value> data;
-    if (SerializedScriptValue* serializedValue = event->serializedData()) {
-        MessagePortArray ports = event->ports();
-        data = serializedValue->deserialize(isolate, &ports);
-    } else if (DOMWrapperWorld::current(isolate).isIsolatedWorld()) {
-        v8::Local<v8::Value> mainWorldData = V8HiddenValue::getHiddenValueFromMainWorldWrapper(scriptState, event, V8HiddenValue::data(isolate));
-        if (!mainWorldData.IsEmpty()) {
-            // TODO(bashi): Enter the main world's ScriptState::Scope while
-            // serializing the main world's value.
-            event->setSerializedData(SerializedScriptValueFactory::instance().createAndSwallowExceptions(info.GetIsolate(), mainWorldData));
-            data = event->serializedData()->deserialize();
-        }
-    }
-    if (data.IsEmpty())
-        data = v8::Null(isolate);
-    V8HiddenValue::setHiddenValue(scriptState, info.Holder(), V8HiddenValue::data(isolate), data);
-    v8SetReturnValue(info, data);
+    V8ServiceWorkerMessageEventInternal::dataAttributeGetterCustom<ServiceWorkerMessageEvent>(info);
 }
 
 } // namespace blink