ConstellioSessionInitListener.java

package com.constellio.app.ui.application;

import org.jsoup.nodes.Element;

import com.vaadin.server.BootstrapFragmentResponse;
import com.vaadin.server.BootstrapListener;
import com.vaadin.server.BootstrapPageResponse;
import com.vaadin.server.ServiceException;
import com.vaadin.server.SessionInitEvent;
import com.vaadin.server.SessionInitListener;

@SuppressWarnings("serial")
public class ConstellioSessionInitListener implements SessionInitListener {

    @Override
    public final void sessionInit(final SessionInitEvent event)
            throws ServiceException {
        event.getSession().addBootstrapListener(new BootstrapListener() {

            @Override
            public void modifyBootstrapPage(final BootstrapPageResponse response) {
                final Element head = response.getDocument().head();
                head.appendElement("meta")
                        .attr("name", "viewport")
                        .attr("content",
                                "width=device-width, initial-scale=1, maximum-scale=1.0, user-scalable=no");
                head.appendElement("meta")
                        .attr("name", "apple-mobile-web-app-capable")
                        .attr("content", "yes");
                head.appendElement("meta")
                        .attr("name", "apple-mobile-web-app-status-bar-style")
                        .attr("content", "black-translucent");

                String contextPath = response.getRequest().getContextPath();
                head.appendElement("link")
                        .attr("rel", "apple-touch-icon")
                        .attr("href",
                                contextPath
                                        + "/VAADIN/themes/dashboard/img/app-icon.png");
            }

            @Override
            public void modifyBootstrapFragment(
                    final BootstrapFragmentResponse response) {
            }
        });
    }

}