tools/dom/templates/html/dart2js/impl_MouseEvent.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.

part of $LIBRARYNAME;

$(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
  factory $CLASSNAME(String type,
      {Window view, int detail: 0, int screenX: 0, int screenY: 0,
      int clientX: 0, int clientY: 0, int button: 0, bool canBubble: true,
      bool cancelable: true, bool ctrlKey: false, bool altKey: false,
      bool shiftKey: false, bool metaKey: false, EventTarget relatedTarget}) {

    if (view == null) {
      view = window;
    }
    var event = document.$dom_createEvent('MouseEvent');
    event.$dom_initMouseEvent(type, canBubble, cancelable, view, detail,
        screenX, screenY, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey,
        button, relatedTarget);
    return event;
  }
$!MEMBERS

  int get offsetX {
  if (JS('bool', '!!#.offsetX', this)) {
      return JS('int', '#.offsetX', this);
    } else {
      // Firefox does not support offsetX.
      var target = this.target;
      if (!(target is Element)) {
        throw new UnsupportedError(
            'offsetX is only supported on elements');
      }
      return this.clientX - this.target.getBoundingClientRect().left;
    }
  }

  int get offsetY {
    if (JS('bool', '!!#.offsetY', this)) {
      return JS('int', '#.offsetY', this);
    } else {
      // Firefox does not support offsetY.
      var target = this.target;
      if (!(target is Element)) {
        throw new UnsupportedError(
            'offsetY is only supported on elements');
      }
      return this.clientY - this.target.getBoundingClientRect().top;
    }
  }
}