DynamicScriptElement.java

package org.geogebra.web.html5.util;

import com.google.gwt.dom.client.ScriptElement;

/**
 * @author gabor
 *
 *         Helps to load JavaScript on demand
 */
public final class DynamicScriptElement extends ScriptElement {

	protected DynamicScriptElement() {
	}

	/**
	 * @param handler
	 *            if script loaded, calls the callback that implements interface
	 *            ScriptLoadHandler
	 */
	public native void addLoadHandler(ScriptLoadCallback handler) /*-{
		this
				.addEventListener(
						"load",
						function() {
							handler.@org.geogebra.web.html5.util.ScriptLoadCallback::onLoad()();
						}, false);
		this
				.addEventListener(
						"error",
						function() {
							handler.@org.geogebra.web.html5.util.ScriptLoadCallback::onError()();
						}, false);
	}-*/;
}