ServiceWorker.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_serviceworker_h__

#define mozilla_dom_serviceworker_h__

#include "mozilla/DOMEventTargetHelper.h"

#include "mozilla/dom/BindingDeclarations.h"

#include "mozilla/dom/ServiceWorkerDescriptor.h"

#include "mozilla/dom/ServiceWorkerUtils.h"

#ifdef XP_WIN

#  undef PostMessage

#endif

class nsIGlobalObject;

namespace mozilla::dom {

class ServiceWorkerChild;

class ServiceWorkerCloneData;

struct StructuredSerializeOptions;

#define NS_DOM_SERVICEWORKER_IID                     \

  {                                                  \

    0xd42e0611, 0x3647, 0x4319, {                    \

      0xae, 0x05, 0x19, 0x89, 0x59, 0xba, 0x99, 0x5e \

    }                                                \

class ServiceWorker final : public DOMEventTargetHelper {

 public:

  NS_DECLARE_STATIC_IID_ACCESSOR(NS_DOM_SERVICEWORKER_IID)

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ServiceWorker, DOMEventTargetHelper)

  IMPL_EVENT_HANDLER(statechange)

  IMPL_EVENT_HANDLER(error)

  static already_AddRefed<ServiceWorker> Create(

      nsIGlobalObject* aOwner, const ServiceWorkerDescriptor& aDescriptor);

  virtual JSObject* WrapObject(JSContext* aCx,

                               JS::Handle<JSObject*> aGivenProto) override;

  ServiceWorkerState State() const;

  void SetState(ServiceWorkerState aState);

  void MaybeDispatchStateChangeEvent();

  void GetScriptURL(nsString& aURL) const;

  void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,

                   const Sequence<JSObject*>& aTransferable, ErrorResult& aRv);

  void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,

                   const StructuredSerializeOptions& aOptions,

                   ErrorResult& aRv);

  const ServiceWorkerDescriptor& Descriptor() const;

  void DisconnectFromOwner() override;

  void RevokeActor(ServiceWorkerChild* aActor);

 private:

  ServiceWorker(nsIGlobalObject* aWindow,

                const ServiceWorkerDescriptor& aDescriptor);

  // This class is reference-counted and will be destroyed from Release().

  ~ServiceWorker();

  void MaybeAttachToRegistration(ServiceWorkerRegistration* aRegistration);

  void Shutdown();

  ServiceWorkerDescriptor mDescriptor;

  RefPtr<ServiceWorkerChild> mActor;

  bool mShutdown;

  RefPtr<ServiceWorkerRegistration> mRegistration;

  ServiceWorkerState mLastNotifiedState;

};

NS_DEFINE_STATIC_IID_ACCESSOR(ServiceWorker, NS_DOM_SERVICEWORKER_IID)

}  // namespace mozilla::dom

#endif  // mozilla_dom_serviceworker_h__