// 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.

// WARNING: Do not edit - generated code.

part of $LIBRARYNAME;

$(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
    @Creates('Null')  // Set from Dart code; does not instantiate a native type.
  var _dartDetail;

  factory $CLASSNAME(String type,
      {bool canBubble: true, bool cancelable: true, Object detail}) {

    final CustomEvent e = document._createEvent('CustomEvent');

    e._dartDetail = detail;

    // Only try setting the detail if it's one of these types to avoid
    // first-chance exceptions. Can expand this list in the future as needed.
    if (detail is List || detail is Map || detail is String || detail is num) {
      try {
        detail = convertDartToNative_SerializedScriptValue(detail);
        e._initCustomEvent(type, canBubble, cancelable, detail);
      } catch(_) {
        e._initCustomEvent(type, canBubble, cancelable, null);
      }
    } else {
      e._initCustomEvent(type, canBubble, cancelable, null);
    }

    return e;
  }

  get detail {
    if (_dartDetail != null) {
      return _dartDetail;
    }
    return _detail;
  }
$!MEMBERS
}
