dom/cache/CacheWorkerRef.h

   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_cache_CacheWorkerRef_h
   8 #define mozilla_dom_cache_CacheWorkerRef_h
   9
  10 #include "mozilla/dom/SafeRefPtr.h"
  11 #include "nsISupportsImpl.h"
  12 #include "nsTArray.h"
  13
  14 namespace mozilla::dom {
  15
  16 class IPCWorkerRef;
  17 class StrongWorkerRef;
  18 class WorkerPrivate;
  19
  20 namespace cache {
  21
  22 class ActorChild;
  23
  24 class CacheWorkerRef final : public SafeRefCounted<CacheWorkerRef> {
  25  public:
  26   enum Behavior {
  27     eStrongWorkerRef,
  28     eIPCWorkerRef,
  29   };
  30
  31   static SafeRefPtr<CacheWorkerRef> Create(WorkerPrivate* aWorkerPrivate,
  32                                            Behavior aBehavior);
  33
  34   static SafeRefPtr<CacheWorkerRef> PreferBehavior(
  35       SafeRefPtr<CacheWorkerRef> aCurrentRef, Behavior aBehavior);
  36
  37   void AddActor(ActorChild& aActor);
  38   void RemoveActor(ActorChild& aActor);
  39
  40   bool Notified() const;
  41
  42  private:
  43   struct ConstructorGuard {};
  44
  45   void Notify();
  46
  47   nsTArray<NotNull<ActorChild*>> mActorList;
  48
  49   Behavior mBehavior;
  50   bool mNotified;
  51
  52   RefPtr<StrongWorkerRef> mStrongWorkerRef;
  53   RefPtr<IPCWorkerRef> mIPCWorkerRef;
  54
  55  public:
  56   CacheWorkerRef(Behavior aBehavior, ConstructorGuard);
  57
  58   ~CacheWorkerRef();
  59
  60   NS_DECL_OWNINGTHREAD
  61   MOZ_DECLARE_REFCOUNTED_TYPENAME(mozilla::dom::cache::CacheWorkerRef)
  62 };
  63
  64 }  // namespace cache
  65 }  // namespace mozilla::dom
  66
  67 #endif  // mozilla_dom_cache_CacheWorkerRef_h