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/AbstractFXPresenter.java Mon Dec 16 16:59:43 2013 +0100
1.3 @@ -0,0 +1,190 @@
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.io.BufferedReader;
1.49 +import java.io.Reader;
1.50 +import java.net.URL;
1.51 +import java.util.ArrayList;
1.52 +import java.util.Arrays;
1.53 +import java.util.List;
1.54 +import java.util.logging.Level;
1.55 +import java.util.logging.Logger;
1.56 +import javafx.application.Platform;
1.57 +import javafx.scene.web.WebEngine;
1.58 +import javafx.scene.web.WebView;
1.59 +import netscape.javascript.JSObject;
1.60 +import org.apidesign.html.boot.spi.Fn;
1.61 +
1.62 +/**
1.63 + *
1.64 + * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.65 + */
1.66 +public abstract class AbstractFXPresenter implements Fn.Presenter {
1.67 + static final Logger LOG = Logger.getLogger(FXPresenter.class.getName());
1.68 + protected static int cnt;
1.69 + protected List<String> scripts;
1.70 + protected Runnable onLoad;
1.71 + protected WebEngine engine;
1.72 +
1.73 + @Override
1.74 + public Fn defineFn(String code, String... names) {
1.75 + StringBuilder sb = new StringBuilder();
1.76 + sb.append("(function() {");
1.77 + sb.append(" return function(");
1.78 + String sep = "";
1.79 + for (String n : names) {
1.80 + sb.append(sep).append(n);
1.81 + sep = ",";
1.82 + }
1.83 + sb.append(") {\n");
1.84 + sb.append(code);
1.85 + sb.append("};");
1.86 + sb.append("})()");
1.87 + if (LOG.isLoggable(Level.FINE)) {
1.88 + LOG.log(Level.FINE,
1.89 + "defining function #{0}:\n{1}\n",
1.90 + new Object[] { ++cnt, code }
1.91 + );
1.92 + }
1.93 + JSObject x = (JSObject) engine.executeScript(sb.toString());
1.94 + return new JSFn(this, x, cnt);
1.95 + }
1.96 +
1.97 + @Override
1.98 + public void loadScript(Reader code) throws Exception {
1.99 + BufferedReader r = new BufferedReader(code);
1.100 + StringBuilder sb = new StringBuilder();
1.101 + for (;;) {
1.102 + String l = r.readLine();
1.103 + if (l == null) {
1.104 + break;
1.105 + }
1.106 + sb.append(l).append('\n');
1.107 + }
1.108 + final String script = sb.toString();
1.109 + if (scripts != null) {
1.110 + scripts.add(script);
1.111 + }
1.112 + engine.executeScript(script);
1.113 + }
1.114 +
1.115 + protected final void onPageLoad() {
1.116 + if (scripts != null) {
1.117 + for (String s : scripts) {
1.118 + engine.executeScript(s);
1.119 + }
1.120 + }
1.121 + onLoad.run();
1.122 + }
1.123 +
1.124 + @Override
1.125 + public void displayPage(final URL resource, final Runnable onLoad) {
1.126 + this.onLoad = onLoad;
1.127 + final WebView view = findView(resource);
1.128 + this.engine = view.getEngine();
1.129 + try {
1.130 + if (FXInspect.initialize(engine)) {
1.131 + scripts = new ArrayList<String>();
1.132 + }
1.133 + } catch (Throwable ex) {
1.134 + ex.printStackTrace();
1.135 + }
1.136 +
1.137 + class Run implements Runnable {
1.138 +
1.139 + @Override
1.140 + public void run() {
1.141 + if (scripts != null) {
1.142 + view.setContextMenuEnabled(true);
1.143 + }
1.144 + engine.load(resource.toExternalForm());
1.145 + }
1.146 + }
1.147 + Run run = new Run();
1.148 + if (Platform.isFxApplicationThread()) {
1.149 + run.run();
1.150 + } else {
1.151 + Platform.runLater(run);
1.152 + }
1.153 + waitFinished();
1.154 + }
1.155 +
1.156 + protected abstract void waitFinished();
1.157 +
1.158 + protected abstract WebView findView(final URL resource);
1.159 +
1.160 + private static final class JSFn extends Fn {
1.161 +
1.162 + private final JSObject fn;
1.163 + private static int call;
1.164 + private final int id;
1.165 +
1.166 + public JSFn(AbstractFXPresenter p, JSObject fn, int id) {
1.167 + super(p);
1.168 + this.fn = fn;
1.169 + this.id = id;
1.170 + }
1.171 +
1.172 + @Override
1.173 + public Object invoke(Object thiz, Object... args) throws Exception {
1.174 + try {
1.175 + if (LOG.isLoggable(Level.FINE)) {
1.176 + LOG.log(Level.FINE, "calling {0} function #{1}", new Object[]{++call, id});
1.177 + }
1.178 + List<Object> all = new ArrayList<Object>(args.length + 1);
1.179 + all.add(thiz == null ? fn : thiz);
1.180 + all.addAll(Arrays.asList(args));
1.181 + Object ret = fn.call("call", all.toArray()); // NOI18N
1.182 + return ret == fn ? null : ret;
1.183 + } catch (Error t) {
1.184 + t.printStackTrace();
1.185 + throw t;
1.186 + } catch (Exception t) {
1.187 + t.printStackTrace();
1.188 + throw t;
1.189 + }
1.190 + }
1.191 + }
1.192 +
1.193 +}