    001// Copyright 2011 The Apache Software Foundation
    002//
    003// Licensed under the Apache License, Version 2.0 (the "License");
    004// you may not use this file except in compliance with the License.
    005// You may obtain a copy of the License at
    006//
    007// http://www.apache.org/licenses/LICENSE-2.0
    008//
    009// Unless required by applicable law or agreed to in writing, software
    010// distributed under the License is distributed on an "AS IS" BASIS,
    011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012// See the License for the specific language governing permissions and
    013// limitations under the License.
    014
    015package org.apache.tapestry5.services.ajax;
    016
    017import org.apache.tapestry5.services.javascript.JavaScriptSupport;
    018
    019/**
    020 * A callback used with {@link AjaxResponseRenderer#addCallback(JavaScriptCallback)}.
    021 *
    022 * @since 5.3
    023 */
    024public interface JavaScriptCallback
    025{
    026    /**
    027     * Perform some work with the support object, which is typically to invoke {@link JavaScriptSupport#addInitializerCall(String, org.apache.tapestry5.json.JSONObject)} to setup some
    028     * client-side behavior.
    029     *
    030     * @param javascriptSupport the JavaScriptSupport environmental object, passed as a convenience.
    031     */
    032    void run(JavaScriptSupport javascriptSupport);
    033}