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/**
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
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*
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* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
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* Other names may be trademarks of their respective owners.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common
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* Development and Distribution License("CDDL") (collectively, the
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* "License"). You may not use this file except in compliance with the
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* License. You can obtain a copy of the License at
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* http://www.netbeans.org/cddl-gplv2.html
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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* specific language governing permissions and limitations under the
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* License. When distributing the software, include this License Header
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* Notice in each file and include the License file at
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* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the GPL Version 2 section of the License file that
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* accompanied this code. If applicable, add the following below the
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* License Header, with the fields enclosed by brackets [] replaced by
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* your own identifying information:
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* "Portions Copyrighted [year] [name of copyright owner]"
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*
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* Contributor(s):
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*
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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
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*
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* If you wish your version of this file to be governed by only the CDDL
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* or only the GPL Version 2, indicate your decision by adding
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* "[Contributor] elects to include this software in this distribution
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* under the [CDDL or GPL Version 2] license." If you do not indicate a
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* single choice of license, a recipient has the option to distribute
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* your version of this file under either the CDDL, the GPL Version 2 or
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* to extend the choice of license to its licensees as provided above.
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* However, if you add GPL Version 2 code and therefore, elected the GPL
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* Version 2 license, then the option applies only if the new code is
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* made subject to such option by the copyright holder.
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*/
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package org.netbeans.html.boot.fx;
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import java.net.URL;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.Executors;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javafx.application.Application;
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import javafx.application.Platform;
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import javafx.beans.value.ChangeListener;
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import javafx.beans.value.ObservableValue;
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import javafx.concurrent.Worker;
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import javafx.event.ActionEvent;
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import javafx.event.EventHandler;
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import javafx.geometry.Insets;
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import javafx.geometry.Pos;
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import javafx.scene.Scene;
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import javafx.scene.control.Button;
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import javafx.scene.layout.BorderPane;
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import javafx.scene.layout.VBox;
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import javafx.scene.text.Text;
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import javafx.scene.web.WebEvent;
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import javafx.scene.web.WebView;
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import javafx.stage.Modality;
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import javafx.stage.Stage;
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/** This is an implementation class, use {@link BrowserBuilder} API. Just
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* include this JAR on classpath and the {@link BrowserBuilder} API will find
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* this implementation automatically.
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*/
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public class FXBrwsr extends Application {
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private static final Logger LOG = Logger.getLogger(FXBrwsr.class.getName());
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private static FXBrwsr INSTANCE;
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private static final CountDownLatch FINISHED = new CountDownLatch(1);
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private BorderPane root;
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public static synchronized WebView findWebView(final URL url, final FXPresenter onLoad) {
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if (INSTANCE == null) {
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Executors.newFixedThreadPool(1).submit(new Runnable() {
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@Override
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public void run() {
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try {
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FXBrwsr.launch(FXBrwsr.class);
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} catch (Throwable ex) {
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ex.printStackTrace();
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} finally {
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FINISHED.countDown();
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}
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}
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});
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}
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while (INSTANCE == null) {
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try {
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FXBrwsr.class.wait();
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} catch (InterruptedException ex) {
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// wait more
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}
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}
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if (!Platform.isFxApplicationThread()) {
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final WebView[] arr = {null};
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final CountDownLatch waitForResult = new CountDownLatch(1);
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Platform.runLater(new Runnable() {
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@Override
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public void run() {
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arr[0] = INSTANCE.newView(url, onLoad);
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waitForResult.countDown();
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}
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});
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for (;;) {
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try {
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waitForResult.await();
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break;
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} catch (InterruptedException ex) {
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LOG.log(Level.INFO, null, ex);
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}
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}
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return arr[0];
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} else {
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return INSTANCE.newView(url, onLoad);
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}
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}
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@Override
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public void start(Stage primaryStage) throws Exception {
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synchronized (FXBrwsr.class) {
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INSTANCE = this;
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FXBrwsr.class.notifyAll();
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}
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BorderPane r = new BorderPane();
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Scene scene = new Scene(r, 800, 600);
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primaryStage.setScene(scene);
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primaryStage.show();
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this.root = r;
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}
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private WebView newView(final URL url, final FXPresenter onLoad) {
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final WebView view = new WebView();
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view.setContextMenuEnabled(false);
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view.getEngine().setOnAlert(new EventHandler<WebEvent<String>>() {
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@Override
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public void handle(WebEvent<String> t) {
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final Stage dialogStage = new Stage();
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dialogStage.initModality(Modality.WINDOW_MODAL);
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dialogStage.setTitle("Warning");
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final Button button = new Button("Close");
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final Text text = new Text(t.getData());
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VBox box = new VBox();
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box.setAlignment(Pos.CENTER);
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box.setSpacing(10);
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box.setPadding(new Insets(10));
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box.getChildren().addAll(text, button);
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dialogStage.setScene(new Scene(box));
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button.setCancelButton(true);
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button.setOnAction(new EventHandler<ActionEvent>() {
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@Override
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public void handle(ActionEvent t) {
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dialogStage.close();
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}
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});
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dialogStage.centerOnScreen();
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dialogStage.showAndWait();
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}
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});
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root.setCenter(view);
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final Worker<Void> w = view.getEngine().getLoadWorker();
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w.stateProperty().addListener(new ChangeListener<Worker.State>() {
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@Override
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public void changed(ObservableValue<? extends Worker.State> ov, Worker.State t, Worker.State newState) {
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if (newState.equals(Worker.State.SUCCEEDED)) {
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onLoad.onPageLoad();
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}
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if (newState.equals(Worker.State.FAILED)) {
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throw new IllegalStateException("Failed to load " + url);
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}
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}
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});
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return view;
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}
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static void waitFinished() {
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for (;;) {
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try {
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FINISHED.await();
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break;
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} catch (InterruptedException ex) {
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LOG.log(Level.INFO, null, ex);
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}
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}
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}
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}
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