boot-fx/src/main/java/org/netbeans/html/boot/fx/FXBrwsr.java
branchnetbeans
changeset 362 92fb71afdc0e
parent 358 80702021b851
child 365 5c93ad8c7a15
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/boot-fx/src/main/java/org/netbeans/html/boot/fx/FXBrwsr.java	Mon Dec 16 16:59:43 2013 +0100
     1.3 @@ -0,0 +1,193 @@
     1.4 +/**
     1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     1.6 + *
     1.7 + * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
     1.8 + *
     1.9 + * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
    1.10 + * Other names may be trademarks of their respective owners.
    1.11 + *
    1.12 + * The contents of this file are subject to the terms of either the GNU
    1.13 + * General Public License Version 2 only ("GPL") or the Common
    1.14 + * Development and Distribution License("CDDL") (collectively, the
    1.15 + * "License"). You may not use this file except in compliance with the
    1.16 + * License. You can obtain a copy of the License at
    1.17 + * http://www.netbeans.org/cddl-gplv2.html
    1.18 + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
    1.19 + * specific language governing permissions and limitations under the
    1.20 + * License.  When distributing the software, include this License Header
    1.21 + * Notice in each file and include the License file at
    1.22 + * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
    1.23 + * particular file as subject to the "Classpath" exception as provided
    1.24 + * by Oracle in the GPL Version 2 section of the License file that
    1.25 + * accompanied this code. If applicable, add the following below the
    1.26 + * License Header, with the fields enclosed by brackets [] replaced by
    1.27 + * your own identifying information:
    1.28 + * "Portions Copyrighted [year] [name of copyright owner]"
    1.29 + *
    1.30 + * Contributor(s):
    1.31 + *
    1.32 + * The Original Software is NetBeans. The Initial Developer of the Original
    1.33 + * Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
    1.34 + *
    1.35 + * If you wish your version of this file to be governed by only the CDDL
    1.36 + * or only the GPL Version 2, indicate your decision by adding
    1.37 + * "[Contributor] elects to include this software in this distribution
    1.38 + * under the [CDDL or GPL Version 2] license." If you do not indicate a
    1.39 + * single choice of license, a recipient has the option to distribute
    1.40 + * your version of this file under either the CDDL, the GPL Version 2 or
    1.41 + * to extend the choice of license to its licensees as provided above.
    1.42 + * However, if you add GPL Version 2 code and therefore, elected the GPL
    1.43 + * Version 2 license, then the option applies only if the new code is
    1.44 + * made subject to such option by the copyright holder.
    1.45 + */
    1.46 +package org.netbeans.html.boot.fx;
    1.47 +
    1.48 +import java.net.URL;
    1.49 +import java.util.concurrent.CountDownLatch;
    1.50 +import java.util.concurrent.Executors;
    1.51 +import java.util.logging.Level;
    1.52 +import java.util.logging.Logger;
    1.53 +import javafx.application.Application;
    1.54 +import javafx.application.Platform;
    1.55 +import javafx.beans.value.ChangeListener;
    1.56 +import javafx.beans.value.ObservableValue;
    1.57 +import javafx.concurrent.Worker;
    1.58 +import javafx.event.ActionEvent;
    1.59 +import javafx.event.EventHandler;
    1.60 +import javafx.geometry.Insets;
    1.61 +import javafx.geometry.Pos;
    1.62 +import javafx.scene.Scene;
    1.63 +import javafx.scene.control.Button;
    1.64 +import javafx.scene.layout.BorderPane;
    1.65 +import javafx.scene.layout.VBox;
    1.66 +import javafx.scene.text.Text;
    1.67 +import javafx.scene.web.WebEvent;
    1.68 +import javafx.scene.web.WebView;
    1.69 +import javafx.stage.Modality;
    1.70 +import javafx.stage.Stage;
    1.71 +
    1.72 +/** This is an implementation class, use {@link BrowserBuilder} API. Just
    1.73 + * include this JAR on classpath and the {@link BrowserBuilder} API will find
    1.74 + * this implementation automatically.
    1.75 + */
    1.76 +public class FXBrwsr extends Application {
    1.77 +    private static final Logger LOG = Logger.getLogger(FXBrwsr.class.getName());
    1.78 +    private static FXBrwsr INSTANCE;
    1.79 +    private static final CountDownLatch FINISHED = new CountDownLatch(1);
    1.80 +    private BorderPane root;
    1.81 +
    1.82 +    public static synchronized WebView findWebView(final URL url, final FXPresenter onLoad) {
    1.83 +        if (INSTANCE == null) {
    1.84 +            Executors.newFixedThreadPool(1).submit(new Runnable() {
    1.85 +                @Override
    1.86 +                public void run() {
    1.87 +                    try {
    1.88 +                        FXBrwsr.launch(FXBrwsr.class);
    1.89 +                    } catch (Throwable ex) {
    1.90 +                        ex.printStackTrace();
    1.91 +                    } finally {
    1.92 +                        FINISHED.countDown();
    1.93 +                    }
    1.94 +                }
    1.95 +            });
    1.96 +        }
    1.97 +        while (INSTANCE == null) {
    1.98 +            try {
    1.99 +                FXBrwsr.class.wait();
   1.100 +            } catch (InterruptedException ex) {
   1.101 +                // wait more
   1.102 +            }
   1.103 +        }
   1.104 +        if (!Platform.isFxApplicationThread()) {
   1.105 +            final WebView[] arr = {null};
   1.106 +            final CountDownLatch waitForResult = new CountDownLatch(1);
   1.107 +            Platform.runLater(new Runnable() {
   1.108 +                @Override
   1.109 +                public void run() {
   1.110 +                    arr[0] = INSTANCE.newView(url, onLoad);
   1.111 +                    waitForResult.countDown();
   1.112 +                }
   1.113 +            });
   1.114 +            for (;;) {
   1.115 +                try {
   1.116 +                    waitForResult.await();
   1.117 +                    break;
   1.118 +                } catch (InterruptedException ex) {
   1.119 +                    LOG.log(Level.INFO, null, ex);
   1.120 +                }
   1.121 +            }
   1.122 +            return arr[0];
   1.123 +        } else {
   1.124 +            return INSTANCE.newView(url, onLoad);
   1.125 +        }
   1.126 +    }
   1.127 +
   1.128 +    @Override
   1.129 +    public void start(Stage primaryStage) throws Exception {
   1.130 +        synchronized (FXBrwsr.class) {
   1.131 +            INSTANCE = this;
   1.132 +            FXBrwsr.class.notifyAll();
   1.133 +        }
   1.134 +        BorderPane r = new BorderPane();
   1.135 +        Scene scene = new Scene(r, 800, 600);
   1.136 +        primaryStage.setScene(scene);
   1.137 +        primaryStage.show();
   1.138 +        this.root = r;
   1.139 +    }
   1.140 +
   1.141 +    private WebView newView(final URL url, final FXPresenter onLoad) {
   1.142 +        final WebView view = new WebView();
   1.143 +        view.setContextMenuEnabled(false);
   1.144 +        view.getEngine().setOnAlert(new EventHandler<WebEvent<String>>() {
   1.145 +            @Override
   1.146 +            public void handle(WebEvent<String> t) {
   1.147 +                final Stage dialogStage = new Stage();
   1.148 +                dialogStage.initModality(Modality.WINDOW_MODAL);
   1.149 +                dialogStage.setTitle("Warning");
   1.150 +                final Button button = new Button("Close");
   1.151 +                final Text text = new Text(t.getData());
   1.152 +                VBox box = new VBox();
   1.153 +                box.setAlignment(Pos.CENTER);
   1.154 +                box.setSpacing(10);
   1.155 +                box.setPadding(new Insets(10));
   1.156 +                box.getChildren().addAll(text, button);
   1.157 +                dialogStage.setScene(new Scene(box));
   1.158 +                button.setCancelButton(true);
   1.159 +                button.setOnAction(new EventHandler<ActionEvent>() {
   1.160 +                    @Override
   1.161 +                    public void handle(ActionEvent t) {
   1.162 +                        dialogStage.close();
   1.163 +                    }
   1.164 +                });
   1.165 +                dialogStage.centerOnScreen();
   1.166 +                dialogStage.showAndWait();
   1.167 +            }
   1.168 +        });
   1.169 +        root.setCenter(view);
   1.170 +        final Worker<Void> w = view.getEngine().getLoadWorker();
   1.171 +        w.stateProperty().addListener(new ChangeListener<Worker.State>() {
   1.172 +            @Override
   1.173 +            public void changed(ObservableValue<? extends Worker.State> ov, Worker.State t, Worker.State newState) {
   1.174 +                if (newState.equals(Worker.State.SUCCEEDED)) {
   1.175 +                    onLoad.onPageLoad();
   1.176 +                }
   1.177 +                if (newState.equals(Worker.State.FAILED)) {
   1.178 +                    throw new IllegalStateException("Failed to load " + url);
   1.179 +                }
   1.180 +            }
   1.181 +        });
   1.182 +        return view;
   1.183 +    }
   1.184 +
   1.185 +    static void waitFinished() {
   1.186 +        for (;;) {
   1.187 +            try {
   1.188 +                FINISHED.await();
   1.189 +                break;
   1.190 +            } catch (InterruptedException ex) {
   1.191 +                LOG.log(Level.INFO, null, ex);
   1.192 +            }
   1.193 +        }
   1.194 +    }
   1.195 +    
   1.196 +}