gecko-dev/content/events/public/EventTarget.h
Olli Pettay 05d99e99a0 Bug 887241, Use strings, not atoms, for worker events, r=khuey
--HG--
extra : rebase_source : 3e294b1bde05a127db0a9fa1c31c48e9a514e11d
2013-08-16 13:06:24 +03:00

84 lines
2.9 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_EventTarget_h_
#define mozilla_dom_EventTarget_h_
#include "nsIDOMEventTarget.h"
#include "nsWrapperCache.h"
#include "nsIDOMEventListener.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/Nullable.h"
#include "nsIAtom.h"
class nsDOMEvent;
class nsIDOMWindow;
namespace mozilla {
namespace dom {
class EventListener;
class EventHandlerNonNull;
// IID for the dom::EventTarget interface
#define NS_EVENTTARGET_IID \
{ 0x0a5aed21, 0x0bab, 0x48b3, \
{ 0xbe, 0x4b, 0xd4, 0xf9, 0xd4, 0xea, 0xc7, 0xdb } }
class EventTarget : public nsIDOMEventTarget,
public nsWrapperCache
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_EVENTTARGET_IID)
// WebIDL API
using nsIDOMEventTarget::AddEventListener;
using nsIDOMEventTarget::RemoveEventListener;
using nsIDOMEventTarget::DispatchEvent;
virtual void AddEventListener(const nsAString& aType,
nsIDOMEventListener* aCallback,
bool aCapture,
const Nullable<bool>& aWantsUntrusted,
ErrorResult& aRv) = 0;
virtual void RemoveEventListener(const nsAString& aType,
nsIDOMEventListener* aCallback,
bool aCapture,
ErrorResult& aRv);
bool DispatchEvent(nsDOMEvent& aEvent, ErrorResult& aRv);
// Note, this takes the type in onfoo form!
EventHandlerNonNull* GetEventHandler(const nsAString& aType)
{
nsCOMPtr<nsIAtom> type = do_GetAtom(aType);
return GetEventHandler(type, EmptyString());
}
// Note, this takes the type in onfoo form!
void SetEventHandler(const nsAString& aType, EventHandlerNonNull* aHandler,
ErrorResult& rv);
// Note, for an event 'foo' aType will be 'onfoo'.
virtual void EventListenerAdded(nsIAtom* aType) {}
virtual void EventListenerRemoved(nsIAtom* aType) {}
// Returns an outer window that corresponds to the inner window this event
// target is associated with. Will return null if the inner window is not the
// current inner or if there is no window around at all.
virtual nsIDOMWindow* GetOwnerGlobal() = 0;
protected:
EventHandlerNonNull* GetEventHandler(nsIAtom* aType,
const nsAString& aTypeString);
void SetEventHandler(nsIAtom* aType, const nsAString& aTypeString,
EventHandlerNonNull* aHandler, ErrorResult& rv);
};
NS_DEFINE_STATIC_IID_ACCESSOR(EventTarget, NS_EVENTTARGET_IID)
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_EventTarget_h_