Move notification resource loading from content/child to blink

third_party/WebKit/Source/modules/notifications/ServiceWorkerRegistrationNotifications.h

 // 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.
 
 #ifndef ServiceWorkerRegistrationNotifications_h
 #define ServiceWorkerRegistrationNotifications_h
 
 #include "bindings/core/v8/ScriptPromise.h"
+#include "core/dom/ContextLifecycleObserver.h"
+#include "platform/Supplementable.h"
+#include "platform/heap/GarbageCollected.h"
+#include "platform/heap/Handle.h"
+#include "platform/heap/HeapAllocator.h"
+#include "platform/heap/Visitor.h"
+#include "public/platform/modules/notifications/WebNotificationManager.h"
+#include "wtf/Noncopyable.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
+#include "wtf/PassRefPtr.h"
 
 namespace blink {
 
+class ExecutionContext;
 class ExceptionState;
 class GetNotificationOptions;
 class NotificationOptions;
+class NotificationResourcesLoader;
 class ScriptState;
+class SecurityOrigin;
 class ServiceWorkerRegistration;
+struct WebNotificationData;
 
-class ServiceWorkerRegistrationNotifications {
-    STATIC_ONLY(ServiceWorkerRegistrationNotifications);
+class ServiceWorkerRegistrationNotifications final : public GarbageCollectedFinalized<ServiceWorkerRegistrationNotifications>, public Supplement<ServiceWorkerRegistration>, public ContextLifecycleObserver {
+    USING_GARBAGE_COLLECTED_MIXIN(ServiceWorkerRegistrationNotifications);
+    WTF_MAKE_NONCOPYABLE(ServiceWorkerRegistrationNotifications);
 public:
+    virtual ~ServiceWorkerRegistrationNotifications();

[Peter Beverloo, 2016/04/18 15:22:37]

nit: This doesn't have to be virtual given that this is a final class (unless
you can use `override`). GarbageCollectedFinalized will cast to T prior to
calling the destructor.

[Michael van Ouwerkerk, 2016/04/18 17:03:15]

Done.

     static ScriptPromise showNotification(ScriptState*, ServiceWorkerRegistration&, const String& title, const NotificationOptions&, ExceptionState&);
     static ScriptPromise getNotifications(ScriptState*, ServiceWorkerRegistration&, const GetNotificationOptions&);
+
+    // ContextLifecycleObserver interface.
+    void contextDestroyed() override;
+
+    DECLARE_VIRTUAL_TRACE();
+
+private:
+    ServiceWorkerRegistrationNotifications(ExecutionContext*, ServiceWorkerRegistration*);
+
+    static const char* supplementName();
+    static ServiceWorkerRegistrationNotifications& from(ExecutionContext*, ServiceWorkerRegistration&);
+
+    void prepareShow(const WebNotificationData&, PassOwnPtr<WebNotificationShowCallbacks>);
+    void didLoadResources(PassRefPtr<SecurityOrigin>, const WebNotificationData&, PassOwnPtr<WebNotificationShowCallbacks>, NotificationResourcesLoader*);
+
+    Member<ServiceWorkerRegistration> m_registration;
+    HeapHashSet<Member<NotificationResourcesLoader>> m_loaders;
 };
 
 } // namespace blink
 
 #endif // ServiceWorkerRegistrationNotifications_h