Add blink-side plumbing for ServiceWorker -> Document postMessage (1/3)

Source/modules/serviceworkers/ServiceWorkerContainer.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "config.h"
 #include "modules/serviceworkers/ServiceWorkerContainer.h"
 
 #include "RuntimeEnabledFeatures.h"
 #include "bindings/v8/CallbackPromiseAdapter.h"
 #include "bindings/v8/ScriptPromiseResolverWithContext.h"
 #include "bindings/v8/ScriptState.h"
+#include "bindings/v8/SerializedScriptValue.h"
 #include "core/dom/DOMException.h"
+#include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
+#include "core/dom/MessagePort.h"
+#include "core/events/MessageEvent.h"
 #include "modules/serviceworkers/RegistrationOptionList.h"
 #include "modules/serviceworkers/ServiceWorker.h"
 #include "modules/serviceworkers/ServiceWorkerContainerClient.h"
 #include "modules/serviceworkers/ServiceWorkerError.h"
 #include "public/platform/WebServiceWorker.h"
 #include "public/platform/WebServiceWorkerProvider.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "v8.h"
 
@@ skipping 83 matching lines @@
     return promise;
 }
 
 void ServiceWorkerContainer::setCurrentServiceWorker(blink::WebServiceWorker* serviceWorker)
 {
     if (!executionContext())
         return;
     m_current = ServiceWorker::create(executionContext(), adoptPtr(serviceWorker));
 }
 
+void ServiceWorkerContainer::dispatchMessageEvent(const blink::WebString& message, const blink::WebMessagePortChannelArray& webChannels)
+{
+    if (!executionContext() || !window())
+        return;
+
+    OwnPtr<MessagePortArray> ports = MessagePort::toMessagePortArray(executionContext(), webChannels);
+    RefPtr<SerializedScriptValue> value = SerializedScriptValue::createFromWire(message);
+    window()->dispatchEvent(MessageEvent::create(ports.release(), value));
+}
+
 ServiceWorkerContainer::ServiceWorkerContainer(ExecutionContext* executionContext)
     : ContextLifecycleObserver(executionContext)
+    , DOMWindowLifecycleObserver(executionContext->isDocument() ? toDocument(executionContext)->domWindow() : 0)
     , m_provider(0)
 {
     ScriptWrappable::init(this);
 
     if (!executionContext)
         return;
 
     if (ServiceWorkerContainerClient* client = ServiceWorkerContainerClient::from(executionContext)) {
         m_provider = client->provider();
         if (m_provider)
             m_provider->setClient(this);
     }
 }
 
 } // namespace WebCore