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/**
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* Back 2 Browser Bytecode Translator
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* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. Look for COPYING file in the top folder.
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* If not, see http://opensource.org/licenses/GPL-2.0.
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*/
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package org.apidesign.bck2brwsr.launcher.fximpl;
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import java.util.List;
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import java.util.TooManyListenersException;
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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.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.control.ToolBar;
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import javafx.scene.layout.BorderPane;
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import javafx.scene.layout.HBox;
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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.WebEngine;
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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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import netscape.javascript.JSObject;
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/**
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* Demonstrates a WebView object accessing a web page.
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*
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* @see javafx.scene.web.WebView
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* @see javafx.scene.web.WebEngine
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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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@Override
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public void start(Stage primaryStage) throws Exception {
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WebView view = new WebView();
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WebController wc = new WebController(view, getParameters().getUnnamed());
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FXInspect.initialize(view.getEngine());
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final VBox vbox = new VBox();
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vbox.setAlignment( Pos.CENTER );
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vbox.setStyle( "-fx-background-color: #808080;");
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HBox hbox = new HBox();
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hbox.setStyle( "-fx-background-color: #808080;");
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hbox.setAlignment(Pos.CENTER);
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hbox.getChildren().add(vbox);
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vbox.getChildren().add(view);
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BorderPane root = new BorderPane();
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final boolean showToolbar = "true".equals(this.getParameters().getNamed().get("toolbar")); // NOI18N
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final boolean useFirebug = "true".equals(this.getParameters().getNamed().get("firebug")); // NOI18N
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if (showToolbar) {
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final ToolBar toolbar = new BrowserToolbar(view, vbox, useFirebug);
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root.setTop( toolbar );
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}
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root.setCenter(hbox);
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Scene scene = new Scene(root, 800, 600);
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primaryStage.setTitle( "Device Emulator" );
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primaryStage.setScene( scene );
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primaryStage.show();
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}
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/**
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* Create a resizable WebView pane
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*/
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private static class WebController {
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private final JVMBridge bridge;
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public WebController(WebView view, List<String> params) {
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this.bridge = new JVMBridge(view.getEngine());
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LOG.log(Level.INFO, "Initializing WebView with {0}", params);
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final WebEngine eng = view.getEngine();
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try {
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JVMBridge.addBck2BrwsrLoad(new InitBck2Brwsr(eng));
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} catch (TooManyListenersException ex) {
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LOG.log(Level.SEVERE, null, ex);
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}
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if (params.size() > 0) {
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LOG.log(Level.INFO, "loading page {0}", params.get(0));
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eng.load(params.get(0));
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LOG.fine("back from load");
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}
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eng.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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}
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boolean initBck2Brwsr(WebEngine webEngine) {
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JSObject jsobj = (JSObject) webEngine.executeScript("window");
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LOG.log(Level.FINE, "window: {0}", jsobj);
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Object prev = jsobj.getMember("bck2brwsr");
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if ("undefined".equals(prev)) {
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jsobj.setMember("bck2brwsr", bridge);
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return true;
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}
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return false;
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}
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private class InitBck2Brwsr implements ChangeListener<Void>, Runnable {
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private final WebEngine eng;
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public InitBck2Brwsr(WebEngine eng) {
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this.eng = eng;
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}
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@Override
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public synchronized void changed(ObservableValue<? extends Void> ov, Void t, Void t1) {
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Platform.runLater(this);
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try {
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wait();
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} catch (InterruptedException ex) {
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LOG.log(Level.SEVERE, null, ex);
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}
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}
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@Override
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public synchronized void run() {
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initBck2Brwsr(eng);
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notifyAll();
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}
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}
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}
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}
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