/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.user.client.impl;

import com.google.gwt.dom.client.Element;

/**
 * Opera implementation of {@link com.google.gwt.user.client.impl.DOMImpl}.
 */
public class DOMImplOpera extends DOMImplStandard {
  /**
   * As Opera sinks events very quickly, adding guards to prevent the sinking of
   * events actually slows Opera down.
   */
  @Override
  protected native void sinkEventsImpl(Element elem, int bits) /*-{
    elem.__eventBits = bits;
    elem.onclick       = (bits & 0x00001) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.ondblclick    = (bits & 0x00002) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onmousedown   = (bits & 0x00004) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onmouseup     = (bits & 0x00008) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onmouseover   = (bits & 0x00010) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onmouseout    = (bits & 0x00020) ? 
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onmousemove   = (bits & 0x00040) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onkeydown     = (bits & 0x00080) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onkeypress    = (bits & 0x00100) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onkeyup       = (bits & 0x00200) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onchange      = (bits & 0x00400) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onfocus       = (bits & 0x00800) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onblur        = (bits & 0x01000) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onlosecapture = (bits & 0x02000) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onscroll      = (bits & 0x04000) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onload        = (bits & 0x08000) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchUnhandledEvent : null;
    elem.onerror       = (bits & 0x10000) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onmousewheel  = (bits & 0x20000) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.oncontextmenu = (bits & 0x40000) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
    elem.onpaste       = (bits & 0x80000) ?
        @com.google.gwt.user.client.impl.DOMImplStandard::dispatchEvent : null;
  }-*/;
}