/* -*- 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_MessageEvent_h_ #define mozilla_dom_MessageEvent_h_ #include "mozilla/dom/Event.h" #include "mozilla/dom/BindingUtils.h" #include "nsCycleCollectionParticipant.h" namespace mozilla { namespace dom { struct MessageEventInit; class MessagePort; class OwningWindowProxyOrMessagePort; class WindowProxyOrMessagePort; /** * Implements the MessageEvent event, used for cross-document messaging and * server-sent events. * * See http://www.whatwg.org/specs/web-apps/current-work/#messageevent for * further details. */ class MessageEvent final : public Event { public: MessageEvent(EventTarget* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent); NS_DECL_ISUPPORTS_INHERITED NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageEvent, Event) // Forward to base class NS_FORWARD_TO_EVENT virtual JSObject* WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override; void GetData(JSContext* aCx, JS::MutableHandle<JS::Value> aData, ErrorResult& aRv); void GetOrigin(nsAString&) const; void GetLastEventId(nsAString&) const; void GetSource(Nullable<OwningWindowProxyOrMessagePort>& aValue) const; void GetPorts(nsTArray<RefPtr<MessagePort>>& aPorts); static already_AddRefed<MessageEvent> Constructor(const GlobalObject& aGlobal, const nsAString& aType, const MessageEventInit& aEventInit, ErrorResult& aRv); static already_AddRefed<MessageEvent> Constructor(EventTarget* aEventTarget, const nsAString& aType, const MessageEventInit& aEventInit, ErrorResult& aRv); void InitMessageEvent(JSContext* aCx, const nsAString& aType, bool aCanBubble, bool aCancelable, JS::Handle<JS::Value> aData, const nsAString& aOrigin, const nsAString& aLastEventId, const Nullable<WindowProxyOrMessagePort>& aSource, const Sequence<OwningNonNull<MessagePort>>& aPorts); protected: ~MessageEvent(); private: JS::Heap<JS::Value> mData; nsString mOrigin; nsString mLastEventId; RefPtr<nsPIDOMWindowInner> mWindowSource; RefPtr<MessagePort> mPortSource; nsTArray<RefPtr<MessagePort>> mPorts; }; } // namespace dom } // namespace mozilla #endif // mozilla_dom_MessageEvent_h_