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mobile.html
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mobile.html
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<!DOCTYPE html>
<style>
body{
font-family:arial;
}
.frame{
position:fixed;
top:0px;
left:0px;
right:0px;
bottom:0px;
overflow:hidden;
overflow-y:scroll;
background:rgb(245,245,245);
}
.red{
background:rgb(203,78,78);
color:rgb(255,255,255);
}
h1{
text-align:center;
font-size:24px;
margin:0px;
padding:40px 20px;
}
input[type='text']{
border:1px solid rgb(153,28,28);
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
display:block;
width:200px;
margin:2px auto;
padding:8px 16px;
font-size:20px;
text-align:center;
}
.button{
width:200px;
display:block;
font-size:20px;
margin:2px auto;
padding:8px 16px;
text-align:center;
background:rgb(153,28,28);
color:rgb(255,255,255);
-webkit-border-radius: 3px;
-moz-border-radius: 3px;
border-radius: 3px;
}
body.r .frame.connect{
display:none;
}
body.r .frame.record{
display:block;
}
.frame.record{
display:none;
background:rgb(200,200,200);
padding:20px;
}
.frame canvas{
display:block;
width:100%;
margin:20px 0px;
height:60%;
background:rgb(255,255,255);
}
.frame.record .button.light{
background:rgb(102,102,102);
}
</style>
<html>
<head>
<meta charset="utf-8"/>
<title>Device.js | Development</title>
<meta content="yes" name="apple-mobile-web-app-capable" />
<meta content="minimum-scale=1.0, width=device-width, maximum-scale=1, user-scalable=no" name="viewport"/>
<link rel="stylesheet" href="/resources/css/resets.css"/>
<script src='/resources/scripts/classie.js'></script>
<script src='/resources/scripts/Post.js'></script>
<script src='/resources/scripts/Device.js'></script>
<script src='/_ah/channel/jsapi'></script>
</head>
<body>
<div class='frame red connect'>
<h1>Connection Form</h1>
<input type='text' id='masterid' placeholder='ID Code'/>
<input type='text' id='nickname' placeholder='Nickname'/>
<div class='button' id='connect'>Connect</div>
</div>
<div class='frame record'>
<div class='button light'>Channel '<label id='channel'></label>'</div>
<canvas id='graph'></canvas>
<div class='button' id='record'>Record</div>
<div class='button' id='send'>Send Current Data</div>
</div>
<script type='text/javascript'>
(function(){
var data = [], starttime;
var canvas, ctx, width, height;
var nickname;
window.addEventListener('load', Init);
function Init(){
LoadConnectFrame();
}
function LoadConnectFrame(){
var connect = document.getElementById('connect');
connect.removeAttribute('id');
var masterid = document.getElementById('masterid');
masterid.removeAttribute('id');
var alias = document.getElementById('nickname');
alias.removeAttribute('id');
var channel = document.getElementById('channel');
channel.removeAttribute('id');
connect.addEventListener('click', function(){
connect.innerHTML = 'working...';
masterid.disabled = true;
alias.disabled = true;
nickname = alias.value;
channel.innerHTML = masterid.value;
ConnectDevice(masterid.value);
});
}
function ConnectDevice(identifier){
Device.addEventListener('register', function(){
Device.connect(identifier, OnConnect);
});
Device.register();
}
function OnConnect(){
classie.add(document.body, 'r');
LoadCanvas();
LoadRecordButton();
LoadSendButton();
}
function LoadCanvas(){
canvas = document.getElementById('graph');
ctx = canvas.getContext('2d');
width = canvas.width = canvas.offsetWidth;
height = canvas.height = canvas.offsetHeight;
}
function ClearCanvas(){
ctx.clearRect(0,0,width,height);
}
function ResetGraph(){
data = [];
starttime = Date.now();
ClearCanvas();
}
function DrawPoint(x, y, color){
ctx.fillStyle = color || 'rgb(0,0,0)';
ctx.fillRect(x*width, height-(y+0.5)*height, 2, 2);
}
function OnDeviceMotion(event){
var acc_raw = event.accelerationIncludingGravity;
var acc = {
x: acc_raw.x,
y: acc_raw.y,
z: acc_raw.z - 9.806// remove gravity
};
var point = {
mag: Math.sqrt(Math.pow(acc.x,2)+Math.pow(acc.y,2)+Math.pow(acc.z,2)),
time: event.timeStamp
};
data.push(point);
var graphX = (point.time-starttime) / (10*1000),
maxY = 100;
DrawPoint(graphX, point.mag/maxY, 'rgb(0,0,255)')
}
var Stop;
function LoadRecordButton(){
var button = document.getElementById('record');
button.removeAttribute('id');
button.addEventListener('click', Record);
function Record(){
button.removeEventListener('click', Record);
button.addEventListener('click', Stop);
button.innerHTML = 'Stop';
ResetGraph();
window.addEventListener('devicemotion', OnDeviceMotion);
}
Stop = function Stop(){
button.removeEventListener('click', Stop);
button.addEventListener('click', Record);
button.innerHTML = 'Record';
window.removeEventListener('devicemotion', OnDeviceMotion);
}
}
function LoadSendButton(){
var button = document.getElementById('send');
button.removeAttribute('id');
button.addEventListener('click', function(){
Stop();
Send();
});
}
function Send(){
Device.send('mobile.acceleration', {
'data': data,
'source': nickname,
'timestamp': Date.now()
});
ClearCanvas();
}
})();
</script>
</body>
</html>