sdk/lib/html/templates/html/impl/impl_EventTarget.darttemplate

// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

class Events {
  /* Raw event target. */
  final EventTarget _ptr;

  Events(this._ptr);

  EventListenerList operator [](String type) {
    return new EventListenerList(_ptr, type);
  }
}

class EventListenerList {

  final EventTarget _ptr;
  final String _type;

  EventListenerList(this._ptr, this._type);

  // TODO(jacobr): implement equals.

  EventListenerList add(EventListener listener,
      [bool useCapture = false]) {
    _add(listener, useCapture);
    return this;
  }

  EventListenerList remove(EventListener listener,
      [bool useCapture = false]) {
    _remove(listener, useCapture);
    return this;
  }

  bool dispatch(Event evt) {
    return _ptr.$dom_dispatchEvent(evt);
  }

  void _add(EventListener listener, bool useCapture) {
    _ptr.$dom_addEventListener(_type, listener, useCapture);
  }

  void _remove(EventListener listener, bool useCapture) {
    _ptr.$dom_removeEventListener(_type, listener, useCapture);
  }
}


class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {

  /** @domName EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent */
  Events get on => new Events(this);
$!MEMBERS
}