gecko-dev/content/events/public/EventTarget.h

/* -*- 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 "nsIDOMEvent.h"
class nsDOMEvent;

namespace mozilla {
namespace dom {

// 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;
  void AddEventListener(const nsAString& aType,
                        nsIDOMEventListener* aCallback, // XXX nullable
                        bool aCapture, const Nullable<bool>& aWantsUntrusted,
                        mozilla::ErrorResult& aRv)
  {
    aRv = AddEventListener(aType, aCallback, aCapture,
                           !aWantsUntrusted.IsNull() && aWantsUntrusted.Value(),
                           aWantsUntrusted.IsNull() ? 1 : 2);
  }
  void RemoveEventListener(const nsAString& aType,
                           nsIDOMEventListener* aCallback,
                           bool aCapture, mozilla::ErrorResult& aRv)
  {
    aRv = RemoveEventListener(aType, aCallback, aCapture);
  }
  bool DispatchEvent(nsDOMEvent& aEvent, ErrorResult& aRv);
};

NS_DEFINE_STATIC_IID_ACCESSOR(EventTarget, NS_EVENTTARGET_IID)

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_EventTarget_h_