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// 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 ServiceWorkerRegistration_h
#define ServiceWorkerRegistration_h
#include "bindings/core/v8/ScriptPromiseResolver.h"
#include "core/dom/ActiveDOMObject.h"
#include "core/events/EventTarget.h"
#include "modules/serviceworkers/ServiceWorker.h"
#include "modules/serviceworkers/ServiceWorkerRegistration.h"
#include "platform/Supplementable.h"
#include "public/platform/modules/serviceworker/WebServiceWorkerRegistration.h"
#include "public/platform/modules/serviceworker/WebServiceWorkerRegistrationProxy.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
namespace blink {
class ScriptPromise;
class ScriptState;
class WebServiceWorkerProvider;
// The implementation of a service worker registration object in Blink. Actual
// registration representation is in the embedder and this class accesses it
// via WebServiceWorkerRegistration::Handle object.
class ServiceWorkerRegistration final
: public RefCountedGarbageCollectedEventTargetWithInlineData<ServiceWorkerRegistration>
, public ActiveDOMObject
, public WebServiceWorkerRegistrationProxy
, public HeapSupplementable<ServiceWorkerRegistration> {
DEFINE_WRAPPERTYPEINFO();
REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(ServiceWorkerRegistration);
USING_GARBAGE_COLLECTED_MIXIN(ServiceWorkerRegistration);
public:
// EventTarget overrides.
const AtomicString& interfaceName() const override;
ExecutionContext* executionContext() const override { return ActiveDOMObject::executionContext(); }
// WebServiceWorkerRegistrationProxy overrides.
void dispatchUpdateFoundEvent() override;
void setInstalling(WebPassOwnPtr<WebServiceWorker::Handle>) override;
void setWaiting(WebPassOwnPtr<WebServiceWorker::Handle>) override;
void setActive(WebPassOwnPtr<WebServiceWorker::Handle>) override;
// Returns an existing registration object for the handle if it exists.
// Otherwise, returns a new registration object.
static ServiceWorkerRegistration* getOrCreate(ExecutionContext*, PassOwnPtr<WebServiceWorkerRegistration::Handle>);
ServiceWorker* installing() { return m_installing; }
ServiceWorker* waiting() { return m_waiting; }
ServiceWorker* active() { return m_active; }
String scope() const;
WebServiceWorkerRegistration* webRegistration() { return m_handle->registration(); }
ScriptPromise update(ScriptState*);
ScriptPromise unregister(ScriptState*);
DEFINE_ATTRIBUTE_EVENT_LISTENER(updatefound);
~ServiceWorkerRegistration() override;
// Eager finalization needed to promptly release owned WebServiceWorkerRegistration.
EAGERLY_FINALIZE();
DECLARE_VIRTUAL_TRACE();
private:
ServiceWorkerRegistration(ExecutionContext*, PassOwnPtr<WebServiceWorkerRegistration::Handle>);
// ActiveDOMObject overrides.
bool hasPendingActivity() const override;
void stop() override;
// A handle to the registration representation in the embedder.
OwnPtr<WebServiceWorkerRegistration::Handle> m_handle;
WebServiceWorkerProvider* m_provider;
Member<ServiceWorker> m_installing;
Member<ServiceWorker> m_waiting;
Member<ServiceWorker> m_active;
bool m_stopped;
};
class ServiceWorkerRegistrationArray {
STATIC_ONLY(ServiceWorkerRegistrationArray);
public:
static HeapVector<Member<ServiceWorkerRegistration>> take(ScriptPromiseResolver* resolver, Vector<OwnPtr<WebServiceWorkerRegistration::Handle>>* webServiceWorkerRegistrations)
{
HeapVector<Member<ServiceWorkerRegistration>> registrations;
for (auto& registration : *webServiceWorkerRegistrations)
registrations.append(ServiceWorkerRegistration::getOrCreate(resolver->executionContext(), registration.release()));
return registrations;
}
};
} // namespace blink
#endif // ServiceWorkerRegistration_h
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