ServiceWorker: Add 'updatefound' and version attributes on SWRegistration (Blink)

Source/modules/serviceworkers/ServiceWorkerRegistration.cpp

 // Copyright 2014 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 "config.h"
 #include "ServiceWorkerRegistration.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
+#include "core/events/Event.h"
 #include "modules/EventTargetModules.h"
 #include "modules/serviceworkers/ServiceWorkerContainerClient.h"
 #include "modules/serviceworkers/ServiceWorkerError.h"
 #include "public/platform/WebServiceWorkerProvider.h"
 
 namespace blink {
 
 class UndefinedValue {
 public:
 #ifdef DISABLE_SERVICE_WORKER_REGISTRATION
     typedef WebServiceWorker WebType;
 #else
     typedef WebServiceWorkerRegistration WebType;
 #endif
     static V8UndefinedType take(ScriptPromiseResolver* resolver, WebType* registration)
     {
         ASSERT(!registration); // Anything passed here will be leaked.
         return V8UndefinedType();
     }
     static void dispose(WebType* registration)
     {
         ASSERT(!registration); // Anything passed here will be leaked.
     }
 
 private:
     UndefinedValue();
 };
 
+static void deleteIfNoExistingOwner(WebServiceWorker* serviceWorker)
+{
+    if (serviceWorker && !serviceWorker->proxy())
+        delete serviceWorker;
+}
+
 const AtomicString& ServiceWorkerRegistration::interfaceName() const
 {
     return EventTargetNames::ServiceWorkerRegistration;
 }
 
+void ServiceWorkerRegistration::dispatchUpdateFoundEvent()
+{
+    dispatchEvent(Event::create(EventTypeNames::updatefound));
+}
+
+void ServiceWorkerRegistration::setInstalling(WebServiceWorker* serviceWorker)
+{
+    if (!executionContext()) {
+        deleteIfNoExistingOwner(serviceWorker);
+        return;
+    }
+    m_installing = ServiceWorker::from(executionContext(), serviceWorker);
+}
+
+void ServiceWorkerRegistration::setWaiting(WebServiceWorker* serviceWorker)
+{
+    if (!executionContext()) {
+        deleteIfNoExistingOwner(serviceWorker);
+        return;
+    }
+    m_waiting = ServiceWorker::from(executionContext(), serviceWorker);
+}
+
+void ServiceWorkerRegistration::setActive(WebServiceWorker* serviceWorker)
+{
+    if (!executionContext()) {
+        deleteIfNoExistingOwner(serviceWorker);
+        return;
+    }
+    m_active = ServiceWorker::from(executionContext(), serviceWorker);
+}
+
 PassRefPtrWillBeRawPtr<ServiceWorkerRegistration> ServiceWorkerRegistration::take(ScriptPromiseResolver* resolver, WebType* registration)
 {
     if (!registration)
         return nullptr;
     return create(resolver->scriptState()->executionContext(), adoptPtr(registration));
 }
 
+void ServiceWorkerRegistration::dispose(WebType* registration)
+{
+    delete registration;
+}
+
 String ServiceWorkerRegistration::scope() const
 {
     return m_outerRegistration->scope().string();
 }
 
 ScriptPromise ServiceWorkerRegistration::unregister(ScriptState* scriptState)
 {
     RefPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
@@ skipping 26 matching lines @@
     , m_outerRegistration(outerRegistration)
     , m_provider(0)
 {
     ASSERT(m_outerRegistration);
     ScriptWrappable::init(this);
 
     if (!executionContext)
         return;
     if (ServiceWorkerContainerClient* client = ServiceWorkerContainerClient::from(executionContext))
         m_provider = client->provider();
+    m_outerRegistration->setProxy(this);
 }
 
 } // namespace blink