File: ServiceWorkerRegistration.h

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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_ServiceWorkerRegistration_h
#define mozilla_dom_ServiceWorkerRegistration_h

#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/DOMPrefs.h"
#include "mozilla/dom/ServiceWorkerBinding.h"
#include "mozilla/dom/ServiceWorkerRegistrationBinding.h"
#include "mozilla/dom/ServiceWorkerRegistrationDescriptor.h"

// Support for Notification API extension.
#include "mozilla/dom/NotificationBinding.h"

class nsIGlobalObject;

namespace mozilla {
namespace dom {

class Promise;
class PushManager;
class WorkerPrivate;
class ServiceWorker;

#define NS_DOM_SERVICEWORKERREGISTRATION_IID         \
  {                                                  \
    0x4578a90e, 0xa427, 0x4237, {                    \
      0x98, 0x4a, 0xbd, 0x98, 0xe4, 0xcd, 0x5f, 0x3a \
    }                                                \
  }

class ServiceWorkerRegistration final : public DOMEventTargetHelper {
 public:
  class Inner {
   public:
    NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING

    virtual void SetServiceWorkerRegistration(
        ServiceWorkerRegistration* aReg) = 0;

    virtual void ClearServiceWorkerRegistration(
        ServiceWorkerRegistration* aReg) = 0;

    virtual already_AddRefed<Promise> Update(ErrorResult& aRv) = 0;

    virtual already_AddRefed<Promise> Unregister(ErrorResult& aRv) = 0;

    virtual already_AddRefed<Promise> ShowNotification(
        JSContext* aCx, const nsAString& aTitle,
        const NotificationOptions& aOptions, ErrorResult& aRv) = 0;

    virtual already_AddRefed<Promise> GetNotifications(
        const GetNotificationOptions& aOptions, ErrorResult& aRv) = 0;

    virtual already_AddRefed<PushManager> GetPushManager(JSContext* aCx,
                                                         ErrorResult& aRv) = 0;
  };

  NS_DECLARE_STATIC_IID_ACCESSOR(NS_DOM_SERVICEWORKERREGISTRATION_IID)
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ServiceWorkerRegistration,
                                           DOMEventTargetHelper)

  IMPL_EVENT_HANDLER(updatefound)

  static already_AddRefed<ServiceWorkerRegistration> CreateForMainThread(
      nsPIDOMWindowInner* aWindow,
      const ServiceWorkerRegistrationDescriptor& aDescriptor);

  static already_AddRefed<ServiceWorkerRegistration> CreateForWorker(
      WorkerPrivate* aWorkerPrivate, nsIGlobalObject* aGlobal,
      const ServiceWorkerRegistrationDescriptor& aDescriptor);

  JSObject* WrapObject(JSContext* aCx,
                       JS::Handle<JSObject*> aGivenProto) override;

  void DisconnectFromOwner() override;

  already_AddRefed<ServiceWorker> GetInstalling() const;

  already_AddRefed<ServiceWorker> GetWaiting() const;

  already_AddRefed<ServiceWorker> GetActive() const;

  void UpdateState(const ServiceWorkerRegistrationDescriptor& aDescriptor);

  bool MatchesDescriptor(
      const ServiceWorkerRegistrationDescriptor& aDescriptor) const;

  void GetScope(nsAString& aScope) const;

  ServiceWorkerUpdateViaCache GetUpdateViaCache(ErrorResult& aRv) const;

  already_AddRefed<Promise> Update(ErrorResult& aRv);

  already_AddRefed<Promise> Unregister(ErrorResult& aRv);

  already_AddRefed<PushManager> GetPushManager(JSContext* aCx,
                                               ErrorResult& aRv);

  already_AddRefed<Promise> ShowNotification(
      JSContext* aCx, const nsAString& aTitle,
      const NotificationOptions& aOptions, ErrorResult& aRv);

  already_AddRefed<Promise> GetNotifications(
      const GetNotificationOptions& aOptions, ErrorResult& aRv);

 private:
  ServiceWorkerRegistration(
      nsIGlobalObject* aGlobal,
      const ServiceWorkerRegistrationDescriptor& aDescriptor, Inner* aInner);

  ~ServiceWorkerRegistration();

  ServiceWorkerRegistrationDescriptor mDescriptor;

  // This forms a ref-cycle with the inner implementation object.  Its broken
  // when either the global is torn down or the registration is removed from
  // the ServiceWorkerManager.
  RefPtr<Inner> mInner;

  RefPtr<ServiceWorker> mInstallingWorker;
  RefPtr<ServiceWorker> mWaitingWorker;
  RefPtr<ServiceWorker> mActiveWorker;
  RefPtr<PushManager> mPushManager;
};

NS_DEFINE_STATIC_IID_ACCESSOR(ServiceWorkerRegistration,
                              NS_DOM_SERVICEWORKERREGISTRATION_IID)

}  // namespace dom
}  // namespace mozilla

#endif /* mozilla_dom_ServiceWorkerRegistration_h */