gecko-dev/dom/workers/EventTarget.h
Boris Zbarsky 6871042269 Bug 865377. Give EventTarget a chrome-only getter that returns its global. r=smaug
The idea is that you then do things like t.dispatchEvent(new t.ownerGlobal.Event("something")).
2013-05-30 17:46:39 -04:00

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2.1 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* 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_workers_eventtarget_h__
#define mozilla_dom_workers_eventtarget_h__
#include "mozilla/dom/workers/bindings/DOMBindingBase.h"
// I hate having to export this...
#include "mozilla/dom/workers/bindings/EventListenerManager.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/ErrorResult.h"
BEGIN_WORKERS_NAMESPACE
class EventTarget : public DOMBindingBase
{
EventListenerManager mListenerManager;
protected:
EventTarget(JSContext* aCx)
: DOMBindingBase(aCx)
{ }
virtual ~EventTarget()
{ }
public:
virtual void
_trace(JSTracer* aTrc) MOZ_OVERRIDE;
virtual void
_finalize(JSFreeOp* aFop) MOZ_OVERRIDE;
void
AddEventListener(const nsAString& aType, JS::Handle<JSObject*> aListener,
bool aCapture, Nullable<bool> aWantsUntrusted,
ErrorResult& aRv);
void
RemoveEventListener(const nsAString& aType, JS::Handle<JSObject*> aListener,
bool aCapture, ErrorResult& aRv);
bool
DispatchEvent(JS::Handle<JSObject*> aEvent, ErrorResult& aRv) const
{
return mListenerManager.DispatchEvent(GetJSContext(), *this, aEvent, aRv);
}
JSObject*
GetEventListener(const nsAString& aType, ErrorResult& aRv) const;
void
SetEventListener(const nsAString& aType, JS::Handle<JSObject*> aListener,
ErrorResult& aRv);
bool
HasListeners() const
{
return mListenerManager.HasListeners();
}
void SetEventHandler(JSContext*, const nsAString& aType, JSObject* aHandler,
ErrorResult& rv)
{
rv.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
JSObject* GetEventHandler(JSContext*, const nsAString& aType)
{
return nullptr;
}
JSObject* GetOwnerGlobal() const
{
// We have no windows
return nullptr;
}
};
END_WORKERS_NAMESPACE
#endif // mozilla_dom_workers_eventtarget_h__