ScrollAnalyticsController.java

/*
 * Copyright 2011-2012 PrimeFaces Extensions.
 *
 * 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.
 *
 * $Id$
 */

package org.primefaces.extensions.showcase.controller.waypoint;

import java.io.Serializable;

import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ViewScoped;
import javax.faces.component.ContextCallback;
import javax.faces.component.UIComponent;
import javax.faces.component.html.HtmlPanelGroup;
import javax.faces.context.FacesContext;

import org.primefaces.extensions.event.WaypointEvent;

/**
 * WaypointController
 *
 * @author  Oleg Varaksin / last modified by $Author$
 * @version $Revision$
 */
@ManagedBean
@ViewScoped
public class ScrollAnalyticsController implements Serializable {

	private static final long serialVersionUID = 20120816L;

	public void adInView(WaypointEvent e) {
		UIComponent container = e.getComponent().findComponent("container");

		container.invokeOnComponent(FacesContext.getCurrentInstance(), e.getWaypointId(), new ContextCallback() {

				public void invokeContextCallback(FacesContext fc, UIComponent component) {
					HtmlPanelGroup panelGroup = (HtmlPanelGroup) component;
					String analyticsId = panelGroup != null ? (String) panelGroup.getAttributes().get("analyticsid") : "";

					FacesMessage msg =
					    new FacesMessage(FacesMessage.SEVERITY_INFO, "Ad with ID: " + analyticsId + " was read", null);
					fc.addMessage(null, msg);
				}
			});
	}
}