// 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;

$(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
  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;
    }
    MouseEvent event = document._createEvent('MouseEvent');
    event._initMouseEvent(type, canBubble, cancelable, view, detail,
        screenX, screenY, clientX, clientY, ctrlKey, altKey, shiftKey, metaKey,
        button, relatedTarget);
    return event;
  }
$!MEMBERS

  @DomName('MouseEvent.clientX')
  @DomName('MouseEvent.clientY')
  Point get client => new Point/*<num>*/(_clientX, _clientY);

  @DomName('MouseEvent.movementX')
  @DomName('MouseEvent.movementY')
  @SupportedBrowser(SupportedBrowser.CHROME)
  @SupportedBrowser(SupportedBrowser.FIREFOX)
  @Experimental()
  Point get movement => new Point/*<num>*/(_movementX, _movementY);

  /**
   * The coordinates of the mouse pointer in target node coordinates.
   *
   * This value may vary between platforms if the target node moves
   * after the event has fired or if the element has CSS transforms affecting
   * it.
   */
  Point get offset {
    if (JS('bool', '!!#.offsetX', this)) {
      var x = JS('int', '#.offsetX', this);
      var y = JS('int', '#.offsetY', this);
      return new Point/*<num>*/(x, y);
    } else {
      // Firefox does not support offsetX.
      if (!(this.target is Element)) {
        throw new UnsupportedError(
            'offsetX is only supported on elements');
      }
      Element target = this.target;
      var point = (this.client - target.getBoundingClientRect().topLeft);
      return new Point/*<num>*/(point.x.toInt(), point.y.toInt());
    }
  }

  @DomName('MouseEvent.screenX')
  @DomName('MouseEvent.screenY')
  Point get screen => new Point/*<num>*/(_screenX, _screenY);

  @DomName('MouseEvent.layerX')
  @DomName('MouseEvent.layerY')
  Point get layer => new Point/*<num>*/(_layerX, _layerY);

  @DomName('MouseEvent.pageX')
  @DomName('MouseEvent.pageY')
  Point get page => new Point/*<num>*/(_pageX, _pageY);
}