gecko-dev/dom/events/MessageEvent.h

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2.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsCycleCollectionParticipant.h"
#include "nsIDOMMessageEvent.h"
namespace mozilla {
namespace dom {
class MessageEventInit;
class MessagePort;
class MessagePortBase;
class MessagePortList;
class OwningWindowProxyOrMessagePort;
/**
* 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 : public Event,
public nsIDOMMessageEvent
{
public:
MessageEvent(EventTarget* aOwner,
nsPresContext* aPresContext,
WidgetEvent* aEvent);
~MessageEvent();
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MessageEvent, Event)
NS_DECL_NSIDOMMESSAGEEVENT
// Forward to base class
NS_FORWARD_TO_EVENT
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
JS::Value GetData(JSContext* aCx, ErrorResult& aRv);
void GetSource(Nullable<OwningWindowProxyOrMessagePort>& aValue) const;
MessagePortList* GetPorts()
{
return mPorts;
}
void SetPorts(MessagePortList* aPorts);
static already_AddRefed<MessageEvent>
Constructor(const GlobalObject& aGlobal, JSContext* aCx,
const nsAString& aType,
const MessageEventInit& aEventInit,
ErrorResult& aRv);
private:
JS::Heap<JS::Value> mData;
nsString mOrigin;
nsString mLastEventId;
nsCOMPtr<nsIDOMWindow> mWindowSource;
nsRefPtr<MessagePortBase> mPortSource;
nsRefPtr<MessagePortList> mPorts;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_MessageEvent_h_