tor-browser

The Tor Browser
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ServiceWorker.h (2629B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_serviceworker_h__
      8 #define mozilla_dom_serviceworker_h__
      9 
     10 #include "mozilla/DOMEventTargetHelper.h"
     11 #include "mozilla/dom/BindingDeclarations.h"
     12 #include "mozilla/dom/ServiceWorkerDescriptor.h"
     13 #include "mozilla/dom/ServiceWorkerUtils.h"
     14 
     15 #ifdef XP_WIN
     16 #  undef PostMessage
     17 #endif
     18 
     19 class nsIGlobalObject;
     20 
     21 namespace mozilla::dom {
     22 
     23 class ServiceWorkerChild;
     24 class ServiceWorkerCloneData;
     25 struct StructuredSerializeOptions;
     26 
     27 #define NS_DOM_SERVICEWORKER_IID \
     28  {0xd42e0611, 0x3647, 0x4319, {0xae, 0x05, 0x19, 0x89, 0x59, 0xba, 0x99, 0x5e}}
     29 
     30 class ServiceWorker final : public DOMEventTargetHelper {
     31 public:
     32  NS_INLINE_DECL_STATIC_IID(NS_DOM_SERVICEWORKER_IID)
     33  NS_DECL_ISUPPORTS_INHERITED
     34  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ServiceWorker, DOMEventTargetHelper)
     35 
     36  IMPL_EVENT_HANDLER(statechange)
     37  IMPL_EVENT_HANDLER(error)
     38 
     39  static already_AddRefed<ServiceWorker> Create(
     40      nsIGlobalObject* aOwner, const ServiceWorkerDescriptor& aDescriptor);
     41 
     42  virtual JSObject* WrapObject(JSContext* aCx,
     43                               JS::Handle<JSObject*> aGivenProto) override;
     44 
     45  ServiceWorkerState State() const;
     46 
     47  void SetState(ServiceWorkerState aState);
     48 
     49  void MaybeDispatchStateChangeEvent();
     50 
     51  void GetScriptURL(nsString& aURL) const;
     52 
     53  void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
     54                   const Sequence<JSObject*>& aTransferable, ErrorResult& aRv);
     55 
     56  void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
     57                   const StructuredSerializeOptions& aOptions,
     58                   ErrorResult& aRv);
     59 
     60  const ServiceWorkerDescriptor& Descriptor() const;
     61 
     62  void DisconnectFromOwner() override;
     63 
     64  void RevokeActor(ServiceWorkerChild* aActor);
     65 
     66 private:
     67  ServiceWorker(nsIGlobalObject* aGlobal,
     68                const ServiceWorkerDescriptor& aDescriptor);
     69 
     70  // This class is reference-counted and will be destroyed from Release().
     71  ~ServiceWorker();
     72 
     73  void MaybeAttachToRegistration(ServiceWorkerRegistration* aRegistration);
     74 
     75  void Shutdown();
     76 
     77  ServiceWorkerDescriptor mDescriptor;
     78 
     79  RefPtr<ServiceWorkerChild> mActor;
     80  bool mShutdown;
     81 
     82  RefPtr<ServiceWorkerRegistration> mRegistration;
     83  ServiceWorkerState mLastNotifiedState;
     84 };
     85 
     86 }  // namespace mozilla::dom
     87 
     88 #endif  // mozilla_dom_serviceworker_h__