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103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_MessageEvent_h_
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#define mozilla_dom_MessageEvent_h_
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#include "js/RootingAPI.h"
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#include "js/Value.h"
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/BasicEvents.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/dom/Event.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsISupports.h"
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#include "nsStringFwd.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace dom {
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class BrowsingContext;
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struct MessageEventInit;
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class MessagePort;
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class OwningWindowProxyOrMessagePortOrServiceWorker;
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class ServiceWorker;
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class WindowProxyOrMessagePortOrServiceWorker;
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/**
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* Implements the MessageEvent event, used for cross-document messaging and
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* server-sent events.
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*
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* See http://www.whatwg.org/specs/web-apps/current-work/#messageevent for
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* further details.
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*/
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class MessageEvent final : public Event {
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public:
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MessageEvent(EventTarget* aOwner, nsPresContext* aPresContext,
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WidgetEvent* aEvent);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageEvent, Event)
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virtual JSObject* WrapObjectInternal(
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JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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void GetData(JSContext* aCx, JS::MutableHandle<JS::Value> aData,
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ErrorResult& aRv);
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void GetOrigin(nsAString&) const;
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void GetLastEventId(nsAString&) const;
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void GetSource(
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Nullable<OwningWindowProxyOrMessagePortOrServiceWorker>& aValue) const;
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void GetPorts(nsTArray<RefPtr<MessagePort>>& aPorts);
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static already_AddRefed<MessageEvent> Constructor(
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const GlobalObject& aGlobal, const nsAString& aType,
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const MessageEventInit& aEventInit);
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static already_AddRefed<MessageEvent> Constructor(
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EventTarget* aEventTarget, const nsAString& aType,
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const MessageEventInit& aEventInit);
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void InitMessageEvent(
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JSContext* aCx, const nsAString& aType, bool aCanBubble, bool aCancelable,
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JS::Handle<JS::Value> aData, const nsAString& aOrigin,
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const nsAString& aLastEventId,
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const Nullable<WindowProxyOrMessagePortOrServiceWorker>& aSource,
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const Sequence<OwningNonNull<MessagePort>>& aPorts) {
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InitMessageEvent(aCx, aType, aCanBubble ? CanBubble::eYes : CanBubble::eNo,
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aCancelable ? Cancelable::eYes : Cancelable::eNo, aData,
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aOrigin, aLastEventId, aSource, aPorts);
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}
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void InitMessageEvent(
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JSContext* aCx, const nsAString& aType, mozilla::CanBubble,
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mozilla::Cancelable, JS::Handle<JS::Value> aData,
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const nsAString& aOrigin, const nsAString& aLastEventId,
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const Nullable<WindowProxyOrMessagePortOrServiceWorker>& aSource,
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const Sequence<OwningNonNull<MessagePort>>& aPorts);
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protected:
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~MessageEvent();
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private:
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JS::Heap<JS::Value> mData;
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nsString mOrigin;
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nsString mLastEventId;
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RefPtr<BrowsingContext> mWindowSource;
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RefPtr<MessagePort> mPortSource;
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RefPtr<ServiceWorker> mServiceWorkerSource;
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nsTArray<RefPtr<MessagePort>> mPorts;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_MessageEvent_h_
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