ko-fx/src/main/java/org/netbeans/html/kofx/FXContext.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/ko-fx/src/main/java/org/netbeans/html/kofx/FXContext.java	Mon Dec 16 16:59:43 2013 +0100
     1.3 @@ -0,0 +1,222 @@
     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.kofx;
    1.47 +
    1.48 +import java.io.Closeable;
    1.49 +import java.io.IOException;
    1.50 +import java.io.InputStream;
    1.51 +import java.util.ServiceLoader;
    1.52 +import java.util.logging.Logger;
    1.53 +import javafx.application.Platform;
    1.54 +import net.java.html.js.JavaScriptBody;
    1.55 +import netscape.javascript.JSObject;
    1.56 +import org.apidesign.html.boot.spi.Fn;
    1.57 +import org.apidesign.html.context.spi.Contexts;
    1.58 +import org.apidesign.html.json.spi.FunctionBinding;
    1.59 +import org.apidesign.html.json.spi.JSONCall;
    1.60 +import org.apidesign.html.json.spi.PropertyBinding;
    1.61 +import org.apidesign.html.json.spi.Technology;
    1.62 +import org.apidesign.html.json.spi.Transfer;
    1.63 +import org.apidesign.html.json.spi.WSTransfer;
    1.64 +import org.openide.util.lookup.ServiceProvider;
    1.65 +
    1.66 +/** This is an implementation package - just
    1.67 + * include its JAR on classpath and use official {@link Context} API
    1.68 + * to access the functionality.
    1.69 + * <p>
    1.70 + * Registers {@link ContextProvider}, so {@link ServiceLoader} can find it.
    1.71 + *
    1.72 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.73 + */
    1.74 +public final class FXContext
    1.75 +implements Technology.BatchInit<JSObject>, Transfer, WSTransfer<LoadWS> {
    1.76 +    static final Logger LOG = Logger.getLogger(FXContext.class.getName());
    1.77 +    private static Boolean javaScriptEnabled;
    1.78 +    private final Fn.Presenter browserContext;
    1.79 +
    1.80 +    public FXContext(Fn.Presenter browserContext) {
    1.81 +        this.browserContext = browserContext;
    1.82 +    }
    1.83 +    
    1.84 +    @JavaScriptBody(args = {}, body = "return true;")
    1.85 +    private static boolean isJavaScriptEnabledJs() {
    1.86 +        return false;
    1.87 +    }
    1.88 +    
    1.89 +    static boolean isJavaScriptEnabled() {
    1.90 +        if (javaScriptEnabled != null) {
    1.91 +            return javaScriptEnabled;
    1.92 +        }
    1.93 +        return javaScriptEnabled = isJavaScriptEnabledJs();
    1.94 +    }
    1.95 +
    1.96 +    final boolean areWebSocketsSupported() {
    1.97 +        return LoadWS.isSupported();
    1.98 +    }
    1.99 +
   1.100 +
   1.101 +    @Override
   1.102 +    public JSObject wrapModel(Object model, PropertyBinding[] propArr, FunctionBinding[] funcArr) {
   1.103 +        String[] propNames = new String[propArr.length];
   1.104 +        boolean[] propReadOnly = new boolean[propArr.length];
   1.105 +        Object[] propValues = new Object[propArr.length];
   1.106 +        for (int i = 0; i < propNames.length; i++) {
   1.107 +            propNames[i] = propArr[i].getPropertyName();
   1.108 +            propReadOnly[i] = propArr[i].isReadOnly();
   1.109 +            propValues[i] = propArr[i].getValue();
   1.110 +        }
   1.111 +        String[] funcNames = new String[funcArr.length];
   1.112 +        for (int i = 0; i < funcNames.length; i++) {
   1.113 +            funcNames[i] = funcArr[i].getFunctionName();
   1.114 +        }
   1.115 +        
   1.116 +        return Knockout.wrapModel(model, 
   1.117 +            propNames, propReadOnly, Knockout.toArray(propValues), propArr, 
   1.118 +            funcNames, funcArr
   1.119 +        );
   1.120 +    }
   1.121 +    
   1.122 +    @Override
   1.123 +    public JSObject wrapModel(Object model) {
   1.124 +        throw new UnsupportedOperationException();
   1.125 +    }
   1.126 +
   1.127 +    @Override
   1.128 +    public void bind(PropertyBinding b, Object model, JSObject data) {
   1.129 +        throw new UnsupportedOperationException();
   1.130 +    }
   1.131 +
   1.132 +    @Override
   1.133 +    public void valueHasMutated(JSObject data, String propertyName) {
   1.134 +        Knockout.valueHasMutated(data, propertyName);
   1.135 +    }
   1.136 +
   1.137 +    @Override
   1.138 +    public void expose(FunctionBinding fb, Object model, JSObject d) {
   1.139 +        throw new UnsupportedOperationException();
   1.140 +    }
   1.141 +
   1.142 +    @Override
   1.143 +    public void applyBindings(JSObject data) {
   1.144 +        Knockout.applyBindings(data);
   1.145 +    }
   1.146 +
   1.147 +    @Override
   1.148 +    public Object wrapArray(Object[] arr) {
   1.149 +        return Knockout.toArray(arr);
   1.150 +    }
   1.151 +
   1.152 +    @Override
   1.153 +    public void extract(Object obj, String[] props, Object[] values) {
   1.154 +        LoadJSON.extractJSON(obj, props, values);
   1.155 +    }
   1.156 +
   1.157 +    @Override
   1.158 +    public void loadJSON(final JSONCall call) {
   1.159 +        LoadJSON.loadJSON(call);
   1.160 +    }
   1.161 +
   1.162 +    @Override
   1.163 +    public <M> M toModel(Class<M> modelClass, Object data) {
   1.164 +        if (data instanceof JSObject) {
   1.165 +            data = ((JSObject)data).getMember("ko-fx.model"); // NOI18N
   1.166 +        }
   1.167 +        return modelClass.cast(data);
   1.168 +    }
   1.169 +
   1.170 +    @Override
   1.171 +    public Object toJSON(InputStream is) throws IOException {
   1.172 +        return LoadJSON.parse(is);
   1.173 +    }
   1.174 +
   1.175 +    @Override
   1.176 +    public void runSafe(final Runnable r) {
   1.177 +        class Wrap implements Runnable {
   1.178 +            @Override public void run() {
   1.179 +                try (Closeable c = Fn.activate(browserContext)) {
   1.180 +                    r.run();
   1.181 +                } catch (IOException ex) {
   1.182 +                    // cannot be thrown
   1.183 +                }
   1.184 +            }
   1.185 +        }
   1.186 +        Wrap w = new Wrap();
   1.187 +        
   1.188 +        if (Platform.isFxApplicationThread()) {
   1.189 +            w.run();
   1.190 +        } else {
   1.191 +            Platform.runLater(w);
   1.192 +        }
   1.193 +    }
   1.194 +
   1.195 +    @Override
   1.196 +    public LoadWS open(String url, JSONCall onReply) {
   1.197 +        return new LoadWS(onReply, url);
   1.198 +    }
   1.199 +
   1.200 +    @Override
   1.201 +    public void send(LoadWS socket, JSONCall data) {
   1.202 +        socket.send(data);
   1.203 +    }
   1.204 +
   1.205 +    @Override
   1.206 +    public void close(LoadWS socket) {
   1.207 +        socket.close();
   1.208 +    }
   1.209 +    
   1.210 +    @ServiceProvider(service = Contexts.Provider.class)
   1.211 +    public static final class Prvdr implements Contexts.Provider {
   1.212 +        @Override
   1.213 +        public void fillContext(Contexts.Builder context, Class<?> requestor) {
   1.214 +            if (isJavaScriptEnabled()) {
   1.215 +                FXContext c = new FXContext(Fn.activePresenter());
   1.216 +                
   1.217 +                context.register(Technology.class, c, 100);
   1.218 +                context.register(Transfer.class, c, 100);
   1.219 +                if (c.areWebSocketsSupported()) {
   1.220 +                    context.register(WSTransfer.class, c, 100);
   1.221 +                }
   1.222 +            }
   1.223 +        }
   1.224 +    }
   1.225 +}