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* Copyright (C) 2013 Google Inc. All rights reserved.
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* modification, are permitted provided that the following conditions are
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* in the documentation and/or other materials provided with the
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_SERVICE_WORKER_SERVICE_WORKER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_SERVICE_WORKER_SERVICE_WORKER_H_
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "mojo/public/cpp/bindings/associated_binding.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_object.mojom-blink.h"
#include "third_party/blink/public/platform/modules/service_worker/web_service_worker_object_info.h"
#include "third_party/blink/renderer/bindings/core/v8/active_script_wrappable.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
#include "third_party/blink/renderer/bindings/core/v8/serialization/serialized_script_value.h"
#include "third_party/blink/renderer/core/workers/abstract_worker.h"
#include "third_party/blink/renderer/modules/modules_export.h"
namespace blink {
class PostMessageOptions;
class ScriptState;
class MODULES_EXPORT ServiceWorker final
: public AbstractWorker,
public ActiveScriptWrappable<ServiceWorker>,
public mojom::blink::ServiceWorkerObject {
DEFINE_WRAPPERTYPEINFO();
USING_GARBAGE_COLLECTED_MIXIN(ServiceWorker);
public:
static ServiceWorker* From(ExecutionContext*,
mojom::blink::ServiceWorkerObjectInfoPtr);
// TODO(crbug.com/879019): Eventually we'll remove WebServiceWorkerObjectInfo
// and use the above From() everywhere instead of this one.
static ServiceWorker* From(ExecutionContext*, WebServiceWorkerObjectInfo);
static ServiceWorker* Create(ExecutionContext* context,
WebServiceWorkerObjectInfo info) {
ServiceWorker* worker =
MakeGarbageCollected<ServiceWorker>(context, std::move(info));
worker->UpdateStateIfNeeded();
return worker;
}
ServiceWorker(ExecutionContext*, WebServiceWorkerObjectInfo);
~ServiceWorker() override;
void Trace(blink::Visitor*) override;
// Eager finalization needed to promptly release owned WebServiceWorker.
EAGERLY_FINALIZE();
void postMessage(ScriptState*,
const ScriptValue& message,
Vector<ScriptValue>& transfer,
ExceptionState&);
void postMessage(ScriptState*,
const ScriptValue& message,
const PostMessageOptions*,
ExceptionState&);
String scriptURL() const;
String state() const;
DEFINE_ATTRIBUTE_EVENT_LISTENER(statechange, kStatechange)
ServiceWorker* ToServiceWorker() override { return this; }
// ScriptWrappable overrides.
bool HasPendingActivity() const final;
// AbstractWorker overrides.
const AtomicString& InterfaceName() const override;
// Implements mojom::blink::ServiceWorkerObject.
void StateChanged(mojom::blink::ServiceWorkerState new_state) override;
ScriptPromise InternalsTerminate(ScriptState*);
private:
// ContextLifecycleStateObserver overrides.
void ContextLifecycleStateChanged(mojom::FrameLifecycleState state) override;
void ContextDestroyed(ExecutionContext*) override;
bool was_stopped_;
const KURL url_;
mojom::blink::ServiceWorkerState state_;
// Both |host_| and |binding_| are associated with
// content.mojom.ServiceWorkerContainer interface for a Document, and
// content.mojom.ServiceWorker interface for a ServiceWorkerGlobalScope.
//
// |host_| keeps the Mojo connection to the
// browser-side ServiceWorkerObjectHost, whose lifetime is bound
// to |host_| via the Mojo connection.
mojom::blink::ServiceWorkerObjectHostAssociatedPtr host_;
// |binding_| keeps the Mojo binding to serve its other Mojo endpoint (i.e.
// the caller end) held by the content::ServiceWorkerObjectHost in the browser
// process.
mojo::AssociatedBinding<mojom::blink::ServiceWorkerObject> binding_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_SERVICE_WORKER_SERVICE_WORKER_H_