gecko-dev/dom/events/nsDOMMessageEvent.h

78 строки
2.2 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 nsDOMMessageEvent_h__
#define nsDOMMessageEvent_h__
#include "nsIDOMMessageEvent.h"
#include "nsDOMEvent.h"
#include "nsCycleCollectionParticipant.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 nsDOMMessageEvent : public nsDOMEvent,
public nsIDOMMessageEvent
{
public:
nsDOMMessageEvent(mozilla::dom::EventTarget* aOwner,
nsPresContext* aPresContext,
mozilla::WidgetEvent* aEvent);
~nsDOMMessageEvent();
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(nsDOMMessageEvent,
nsDOMEvent)
NS_DECL_NSIDOMMESSAGEEVENT
// Forward to base class
NS_FORWARD_TO_NSDOMEVENT
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
JS::Value GetData(JSContext* aCx, mozilla::ErrorResult& aRv);
void GetSource(Nullable<mozilla::dom::OwningWindowProxyOrMessagePort>& aValue) const;
mozilla::dom::MessagePortList* GetPorts()
{
return mPorts;
}
void SetPorts(mozilla::dom::MessagePortList* aPorts);
static already_AddRefed<nsDOMMessageEvent>
Constructor(const mozilla::dom::GlobalObject& aGlobal, JSContext* aCx,
const nsAString& aType,
const mozilla::dom::MessageEventInit& aEventInit,
mozilla::ErrorResult& aRv);
private:
JS::Heap<JS::Value> mData;
nsString mOrigin;
nsString mLastEventId;
nsCOMPtr<nsIDOMWindow> mWindowSource;
nsRefPtr<mozilla::dom::MessagePortBase> mPortSource;
nsRefPtr<mozilla::dom::MessagePortList> mPorts;
};
#endif // nsDOMMessageEvent_h__