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43 package net.java.html.boot.fx;
46 import javafx.beans.value.ChangeListener;
47 import javafx.beans.value.ObservableValue;
48 import javafx.concurrent.Worker;
49 import javafx.scene.web.WebView;
50 import net.java.html.boot.BrowserBuilder;
51 import net.java.html.js.JavaScriptBody;
52 import org.netbeans.html.boot.fx.AbstractFXPresenter;
54 /** Utility methods for working with <em>JavaFX</em> <code>WebView</code>s.
56 * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
59 public final class FXBrowsers {
60 private FXBrowsers() {
63 /** Enables the Java/JavaScript bridge (that supports {@link JavaScriptBody} and co.)
64 * in the provided <code>webView</code>. This method returns
65 * immediately. Once the support is active, it calls back specified
66 * method in <code>onPageLoad</code> class - the class can possibly be
67 * loaded by a different classloader (to enable replacement of
68 * methods with {@link JavaScriptBody} annotations with executable
69 * versions). The method <code>methodName</code> needs to be <code>public</code>
70 * (in a public class), <code>static</code> and take either no parameters
71 * or an array of {@link String}s.
73 * @param webView the instance of Web View to tweak
74 * @param url the URL of the HTML page to load into the view
75 * @param onPageLoad callback class with method <code>methodName</code>
76 * @param methodName the method to call when the page is loaded
77 * @param args arguments to pass to the <code>methodName</code> method
79 public static void load(
80 final WebView webView, final URL url,
81 Class<?> onPageLoad, String methodName,
84 class Load extends AbstractFXPresenter {
86 protected void waitFinished() {
91 protected WebView findView(URL resource) {
92 final Worker<Void> w = webView.getEngine().getLoadWorker();
93 w.stateProperty().addListener(new ChangeListener<Worker.State>() {
95 public void changed(ObservableValue<? extends Worker.State> ov, Worker.State t, Worker.State newState) {
96 if (newState.equals(Worker.State.SUCCEEDED)) {
99 if (newState.equals(Worker.State.FAILED)) {
100 throw new IllegalStateException("Failed to load " + url);
108 BrowserBuilder.newBrowser(new Load()).
109 loadPage(url.toExternalForm()).
110 loadClass(onPageLoad).
111 invoke(methodName, args).