2.1/user/src/com/google/gwt/user/client/ui/impl/FocusImplSafari.java

/*
 * Copyright 2007 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.ui.impl;

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

/**
 * Safari-specific implementation of {@link FocusImpl} that creates a completely
 * transparent hidden element, since Safari will not keyboard focus on an input
 * element that has zero width and height.
 */
public class FocusImplSafari extends FocusImplStandard {

  @Override
  public native void blur(Element elem) /*-{
    // Attempts to blur elements from within an event callback will generally
    // be unsuccessful, so we invoke blur() from outside of the callback.
    $wnd.setTimeout(function() {
      elem.blur();
    }, 0);
  }-*/;

  @Override
  public native void focus(Element elem) /*-{
    // Attempts to focus elements from within an event callback will generally
    // be unsuccessful, so we invoke focus() from outside of the callback.
    $wnd.setTimeout(function() {
      elem.focus();
    }, 0);
  }-*/;

}