dom/base/PlacesWeakCallbackWrapper.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 file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_PlacesWeakCallbackWrapper_h
   8 #define mozilla_dom_PlacesWeakCallbackWrapper_h
   9
  10 #include "mozilla/WeakPtr.h"
  11 #include "mozilla/dom/PlacesObserversBinding.h"
  12 #include "nsIWeakReferenceUtils.h"
  13 #include "nsWrapperCache.h"
  14
  15 namespace mozilla::dom {
  16
  17 class PlacesWeakCallbackWrapper final : public nsWrapperCache,
  18                                         public SupportsWeakPtr {
  19  public:
  20   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PlacesWeakCallbackWrapper)
  21   NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(PlacesWeakCallbackWrapper)
  22
  23   explicit PlacesWeakCallbackWrapper(nsISupports* aParent,
  24                                      PlacesEventCallback& aCallback);
  25
  26   static already_AddRefed<PlacesWeakCallbackWrapper> Constructor(
  27       const GlobalObject& aGlobal, PlacesEventCallback& aCallback);
  28
  29   nsISupports* GetParentObject() const;
  30
  31   JSObject* WrapObject(JSContext* aCx,
  32                        JS::Handle<JSObject*> aGivenProto) override;
  33
  34  protected:
  35   friend class PlacesObservers;
  36   ~PlacesWeakCallbackWrapper();
  37   nsWeakPtr mParent;
  38   RefPtr<PlacesEventCallback> mCallback;
  39 };
  40
  41 }  // namespace mozilla::dom
  42
  43 #endif  // mozilla_dom_PlacesWeakCallbackWrapper_h