/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.wicket.markup.html;
import org.apache.wicket.Component;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.util.io.IClusterable;
/**
* An interface to be implemented by {@link org.apache.wicket.behavior.Behavior}s,
* {@link org.apache.wicket.ajax.attributes.IAjaxCallListener}s.
*
* Example:
*
* <pre>
* class MyAjaxCallDecorator implements IAjaxCallListener, IComponentAwareHeaderContributor
* {
*
* // IAjaxCallListener methods omitted for brevity
*
* public void renderHead(Component component, IHeaderResponse response)
* {
* response.render(new OnLoadJavaScriptHeaderItem("alert('page loaded!');"));
* }
* }
* </pre>
*/
public interface IComponentAwareHeaderContributor extends IClusterable
{
/**
* Render to the web response whatever the component-aware wants to contribute to the head
* section.
*
* @param component
* component which is contributing to the response. This parameter is here to give
* the component as the context for component-awares implementing this interface
*
* @param response
* Response object
*/
void renderHead(Component component, IHeaderResponse response);
}