| <!DOCTYPE html> |
| <html> |
| <!-- |
| Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| <head> |
| <title>WebSocket</title> |
| |
| <script type="text/javascript"> |
| websocket = null; // Global application object. |
| statusText = 'NO-STATUS'; |
| |
| // Indicate success when the NaCl module has loaded. |
| function moduleDidLoad() { |
| websocket = document.getElementById('websocket'); |
| updateStatus('SUCCESS'); |
| } |
| |
| // Handle a message coming from the NaCl module. |
| function handleMessage(message_event) { |
| console.log(message_event); |
| document.getElementById('log').value += message_event.data + '\n'; |
| } |
| |
| function pageDidLoad() { |
| if (websocket == null) { |
| updateStatus('LOADING...'); |
| } else { |
| updateStatus(); |
| } |
| } |
| |
| function doConnect() { |
| // Send a request message. See also websocket.cc for the request format. |
| websocket.postMessage('o;' + document.getElementById('url').value); |
| } |
| |
| function doSend() { |
| // Send a request message. See also websocket.cc for the request format. |
| websocket.postMessage( |
| 's;' + document.getElementById('message').value); |
| } |
| |
| function doClose() { |
| // Send a request message. See also websocket.cc for the request format. |
| websocket.postMessage('c;'); |
| } |
| |
| function updateStatus(opt_message) { |
| if (opt_message) |
| statusText = opt_message; |
| var statusField = document.getElementById('statusField'); |
| if (statusField) { |
| statusField.innerHTML = statusText; |
| } |
| } |
| </script> |
| </head> |
| <body onload="pageDidLoad()"> |
| |
| <h1>WebSocket API Example</h1> |
| <p> |
| <form action="#" onsubmit="doConnect(); return false;"> |
| <input type="text" id="url" |
| value="ws://html5rocks.websocket.org/echo?encoding=text" /> |
| <input type="submit" value="Connect" /> |
| </form> |
| |
| <form action="#" onsubmit="doSend(); return false;"> |
| <input type="text" id="message" value="hello" /> |
| <input type="submit" value="Send" /> |
| </form> |
| |
| <form action="#" onsubmit="doClose(); return false;"> |
| <input type="submit" value="Close" /> |
| </form> |
| |
| <textarea id="log" rows="10" cols="80"></textarea> |
| |
| <div id="listener"> |
| <script type="text/javascript"> |
| var listener = document.getElementById('listener') |
| listener.addEventListener('load', moduleDidLoad, true); |
| listener.addEventListener('message', handleMessage, true); |
| </script> |
| |
| <embed name="nacl_module" |
| id="websocket" |
| width=0 height=0 |
| src="websocket.nmf" |
| type="application/x-nacl" /> |
| </div> |
| </p> |
| |
| <p>Set a server URL, then push "Connect" button to establish a connection.</p> |
| <p>"Send" button sends text message on the left text area.</p> |
| <p>"Close" button closes the connection/</p> |
| |
| <h2>Status</h2> |
| <div id="statusField">NO-STATUS</div> |
| </body> |
| </html> |
