1.1 --- a/ko/bck2brwsr/src/main/java/org/apidesign/bck2brwsr/ko2brwsr/LoadWS.java Tue Feb 11 10:48:24 2014 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,126 +0,0 @@
1.4 -/**
1.5 - * Back 2 Browser Bytecode Translator
1.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.7 - *
1.8 - * This program is free software: you can redistribute it and/or modify
1.9 - * it under the terms of the GNU General Public License as published by
1.10 - * the Free Software Foundation, version 2 of the License.
1.11 - *
1.12 - * This program is distributed in the hope that it will be useful,
1.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.15 - * GNU General Public License for more details.
1.16 - *
1.17 - * You should have received a copy of the GNU General Public License
1.18 - * along with this program. Look for COPYING file in the top folder.
1.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
1.20 - */
1.21 -package org.apidesign.bck2brwsr.ko2brwsr;
1.22 -
1.23 -import net.java.html.js.JavaScriptBody;
1.24 -import org.apidesign.html.json.spi.JSONCall;
1.25 -
1.26 -/** Communication with WebSockets for WebView 1.8.
1.27 - *
1.28 - * @author Jaroslav Tulach <jtulach@netbeans.org>
1.29 - */
1.30 -final class LoadWS {
1.31 - private static final boolean SUPPORTED = isWebSocket();
1.32 - private final Object ws;
1.33 - private final JSONCall call;
1.34 - LoadWS(JSONCall first, String url) {
1.35 - call = first;
1.36 - ws = initWebSocket(this, url);
1.37 - if (ws == null) {
1.38 - first.notifyError(new IllegalArgumentException("Wrong URL: " + url));
1.39 - }
1.40 - }
1.41 -
1.42 - static boolean isSupported() {
1.43 - return SUPPORTED;
1.44 - }
1.45 -
1.46 - void send(JSONCall call) {
1.47 - push(call);
1.48 - }
1.49 -
1.50 - private synchronized void push(JSONCall call) {
1.51 - send(ws, call.getMessage());
1.52 - }
1.53 -
1.54 - void onOpen(Object ev) {
1.55 - if (!call.isDoOutput()) {
1.56 - call.notifySuccess(null);
1.57 - }
1.58 - }
1.59 -
1.60 -
1.61 - @JavaScriptBody(args = { "data" }, body = "try {\n"
1.62 - + " return eval('(' + data + ')');\n"
1.63 - + " } catch (error) {;\n"
1.64 - + " return data;\n"
1.65 - + " }\n"
1.66 - )
1.67 - private static native Object toJSON(String data);
1.68 -
1.69 - void onMessage(Object ev, String data) {
1.70 - Object json = toJSON(data);
1.71 - call.notifySuccess(json);
1.72 - }
1.73 -
1.74 - void onError(Object ev) {
1.75 - call.notifyError(new Exception(ev.toString()));
1.76 - }
1.77 -
1.78 - void onClose(boolean wasClean, int code, String reason) {
1.79 - call.notifyError(null);
1.80 - }
1.81 -
1.82 - @JavaScriptBody(args = {}, body = "if (window.WebSocket) return true; else return false;")
1.83 - private static boolean isWebSocket() {
1.84 - return false;
1.85 - }
1.86 -
1.87 - @JavaScriptBody(args = { "back", "url" }, javacall = true, body = ""
1.88 - + "if (window.WebSocket) {\n"
1.89 - + " try {\n"
1.90 - + " var ws = new window.WebSocket(url);\n"
1.91 - + " ws.onopen = function(ev) {\n"
1.92 - + " back.@org.apidesign.bck2brwsr.ko2brwsr.LoadWS::onOpen(Ljava/lang/Object;)(ev);\n"
1.93 - + " };\n"
1.94 - + " ws.onmessage = function(ev) {\n"
1.95 - + " back.@org.apidesign.bck2brwsr.ko2brwsr.LoadWS::onMessage(Ljava/lang/Object;Ljava/lang/String;)(ev, ev.data);\n"
1.96 - + " };\n"
1.97 - + " ws.onerror = function(ev) {\n"
1.98 - + " back.@org.apidesign.bck2brwsr.ko2brwsr.LoadWS::onError(Ljava/lang/Object;)(ev);\n"
1.99 - + " };\n"
1.100 - + " ws.onclose = function(ev) {\n"
1.101 - + " back.@org.apidesign.bck2brwsr.ko2brwsr.LoadWS::onClose(ZILjava/lang/String;)(ev.wasClean, ev.code, ev.reason);\n"
1.102 - + " };\n"
1.103 - + " return ws;\n"
1.104 - + " } catch (ex) {\n"
1.105 - + " return null;\n"
1.106 - + " }\n"
1.107 - + "} else {\n"
1.108 - + " return null;\n"
1.109 - + "}\n"
1.110 - )
1.111 - private static Object initWebSocket(Object back, String url) {
1.112 - return null;
1.113 - }
1.114 -
1.115 -
1.116 - @JavaScriptBody(args = { "ws", "msg" }, body = ""
1.117 - + "ws.send(msg);"
1.118 - )
1.119 - private void send(Object ws, String msg) {
1.120 - }
1.121 -
1.122 - @JavaScriptBody(args = { "ws" }, body = "ws.close();")
1.123 - private static void close(Object ws) {
1.124 - }
1.125 -
1.126 - void close() {
1.127 - close(ws);
1.128 - }
1.129 -}