1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
6 return document.getElementById(id);
9 function postAngleMessage() {
10 var xAngle = parseFloat($('xAngle').value);
11 var yAngle = parseFloat($('yAngle').value);
12 common.naclModule.postMessage([xAngle, yAngle]);
15 // Add event listeners after the NaCl module has loaded. These listeners will
16 // forward messages to the NaCl module via postMessage()
17 function attachListeners() {
18 $('xAngle').addEventListener('change', postAngleMessage);
19 $('yAngle').addEventListener('change', postAngleMessage);
20 $('animateOff').addEventListener('click', function() {
21 $('animateOn').checked = '';
22 common.naclModule.postMessage(false);
24 $('animateOn').addEventListener('click', function() {
25 $('animateOff').checked = '';
26 common.naclModule.postMessage(true);
30 // Handle a message coming from the NaCl module.
31 function handleMessage(event) {
32 if (!(event.data instanceof Array))
34 if (event.data.length != 2)
37 var xAngle = event.data[0];
38 var yAngle = event.data[1];
39 $('xAngle').value = xAngle;
40 $('yAngle').value = yAngle;