dom/events/CustomEvent.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 CustomEvent_h__
   8 #define CustomEvent_h__
   9
  10 #include "js/Value.h"
  11 #include "mozilla/dom/Event.h"
  12
  13 namespace mozilla::dom {
  14
  15 struct CustomEventInit;
  16
  17 class CustomEvent final : public Event {
  18  private:
  19   virtual ~CustomEvent();
  20
  21   JS::Heap<JS::Value> mDetail;
  22
  23  public:
  24   explicit CustomEvent(mozilla::dom::EventTarget* aOwner,
  25                        nsPresContext* aPresContext = nullptr,
  26                        mozilla::WidgetEvent* aEvent = nullptr);
  27
  28   NS_DECL_ISUPPORTS_INHERITED
  29   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(CustomEvent, Event)
  30
  31   static already_AddRefed<CustomEvent> Constructor(
  32       const GlobalObject& aGlobal, const nsAString& aType,
  33       const CustomEventInit& aParam);
  34
  35   virtual JSObject* WrapObjectInternal(
  36       JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
  37
  38   CustomEvent* AsCustomEvent() override { return this; }
  39
  40   void GetDetail(JSContext* aCx, JS::MutableHandle<JS::Value> aRetval);
  41
  42   void InitCustomEvent(JSContext* aCx, const nsAString& aType, bool aCanBubble,
  43                        bool aCancelable, JS::Handle<JS::Value> aDetail);
  44 };
  45
  46 }  // namespace mozilla::dom
  47
  48 already_AddRefed<mozilla::dom::CustomEvent> NS_NewDOMCustomEvent(
  49     mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext,
  50     mozilla::WidgetEvent* aEvent);
  51
  52 #endif  // CustomEvent_h__