3 files changed, 172 insertions, 0 deletions
diff --git a/xp/vco/scripts/app.js b/xp/vco/scripts/app.js
new file mode 100644
index 0000000..cec78be
--- /dev/null
+++ b/xp/vco/scripts/app.js
@@ -0,0 +1,129 @@
+// fork getUserMedia for multiple browser versions, for those
+// that need prefixes
+
+navigator.getUserMedia = (navigator.getUserMedia ||
+						navigator.webkitGetUserMedia ||
+						navigator.mozGetUserMedia ||
+						navigator.msGetUserMedia);
+
+// set up forked web audio context, for multiple browsers
+// window. is needed otherwise Safari explodes
+
+var audioCtx = new (window.AudioContext || window.webkitAudioContext)();
+var source;
+var stream;
+
+// grab the mute button to use below
+
+var mute = document.querySelector('.mute');
+
+//set up the different audio nodes we will use for the app
+
+var analyser = audioCtx.createAnalyser();
+analyser.minDecibels = -90;
+analyser.maxDecibels = -10;
+analyser.smoothingTimeConstant = 0.85;
+
+var distortion = audioCtx.createWaveShaper();
+var gainNode = audioCtx.createGain();
+var biquadFilter = audioCtx.createBiquadFilter();
+var convolver = audioCtx.createConvolver();
+
+// set up canvas context for visualizer
+
+var canvas = document.querySelector('.visualizer');
+var canvasCtx = canvas.getContext("2d");
+var bar = document.getElementById("bar");
+var intendedWidth = document.querySelector('.wrapper').clientWidth;
+
+canvas.setAttribute('width',intendedWidth*2);
+canvas.style.width=intendedWidth+'px';
+
+
+var drawVisual;
+
+//main block for doing the audio recording
+
+if (navigator.getUserMedia) {
+console.log('getUserMedia supported.');
+navigator.getUserMedia (
+	// constraints - only audio needed for this app
+	{
+		audio: true
+	},
+
+	// Success callback
+	function(stream) {
+		source = audioCtx.createMediaStreamSource(stream);
+		source.connect(analyser);
+		analyser.connect(distortion);
+		distortion.connect(biquadFilter);
+		biquadFilter.connect(convolver);
+		convolver.connect(gainNode);
+		gainNode.connect(audioCtx.destination);
+
+		visualize();
+
+	},
+
+	// Error callback
+	function(err) {
+		console.log('The following gUM error occured: ' + err);
+	}
+);
+} else {
+console.log('getUserMedia not supported on your browser!');
+}
+
+function visualize() {
+	WIDTH = canvas.width;
+	HEIGHT = canvas.height;
+	analyser.fftSize = 2048;
+	var bufferLength = analyser.fftSize;
+	console.log(bufferLength);
+	var dataArray = new Uint8Array(bufferLength);
+
+	canvasCtx.clearRect(0, 0, WIDTH, HEIGHT);
+
+	var draw = function() {
+
+		drawVisual = requestAnimationFrame(draw);
+
+		analyser.getByteTimeDomainData(dataArray);
+
+		canvasCtx.fillStyle = 'rgb(200, 200, 200)';
+		canvasCtx.fillRect(0, 0, WIDTH, HEIGHT);
+
+		canvasCtx.lineWidth = 2;
+		canvasCtx.strokeStyle = 'rgb(0, 0, 0)';
+
+		canvasCtx.beginPath();
+
+		var sliceWidth = WIDTH * 1.0 / bufferLength;
+		var x = 0, s = 0;
+
+		for(var i = 0; i < bufferLength; i++) {
+
+		var v = dataArray[i] / 128.0;
+		var t=Math.abs(dataArray[i]-128.)/128.0;
+		s+=t*t;
+		var y = v * HEIGHT/2;
+
+		if(i === 0) {
+			canvasCtx.moveTo(x, y);
+		} else {
+			canvasCtx.lineTo(x, y);
+		}
+
+		x += sliceWidth;
+		}
+		s/=bufferLength;s=Math.sqrt(s);s=1-s;
+		bar.style.width=100*s+'%';
+
+		canvasCtx.lineTo(canvas.width, canvas.height/2);
+		canvasCtx.stroke();
+	};
+
+	draw();
+
+}
diff --git a/xp/vco/scripts/install.js b/xp/vco/scripts/install.js
new file mode 100644
index 0000000..d44f1bb
--- /dev/null
+++ b/xp/vco/scripts/install.js
@@ -0,0 +1,37 @@
+// get a reference to the install button
+var button = document.getElementById('install-btn');
+
+if(navigator.mozApps) {
+
+var manifest_url = location.href + 'manifest.webapp';
+
+function install(ev) {
+  ev.preventDefault();
+  // define the manifest URL
+  // install the app
+  var installLocFind = navigator.mozApps.install(manifest_url);
+  installLocFind.onsuccess = function(data) {
+    // App is installed, do something 
+  };
+  installLocFind.onerror = function() {
+    // App wasn't installed, info is in
+    // installapp.error.name
+    alert(installLocFind.error.name);
+  };
+};
+
+//call install() on click if the app isn't already installed. If it is, hide the button.
+
+var installCheck = navigator.mozApps.checkInstalled(manifest_url);
+
+installCheck.onsuccess = function() {
+  if(installCheck.result) {
+    button.style.display = "none";
+  } else {
+    button.addEventListener('click', install, false);
+  };
+};
+
+} else {
+  button.style.display = "none";
+}
diff --git a/xp/vco/scripts/respond.js b/xp/vco/scripts/respond.js
new file mode 100644
index 0000000..e3dc2c0
--- /dev/null
+++ b/xp/vco/scripts/respond.js
@@ -0,0 +1,6 @@
+/*! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas. Dual MIT/BSD license */
+/*! NOTE: If you're already including a window.matchMedia polyfill via Modernizr or otherwise, you don't need this part */
+window.matchMedia=window.matchMedia||function(a){"use strict";var c,d=a.documentElement,e=d.firstElementChild||d.firstChild,f=a.createElement("body"),g=a.createElement("div");return g.id="mq-test-1",g.style.cssText="position:absolute;top:-100em",f.style.background="none",f.appendChild(g),function(a){return g.innerHTML='&shy;<style media="'+a+'"> #mq-test-1 { width: 42px; }</style>',d.insertBefore(f,e),c=42===g.offsetWidth,d.removeChild(f),{matches:c,media:a}}}(document);
+
+/*! Respond.js v1.3.0: min/max-width media query polyfill. (c) Scott Jehl. MIT/GPLv2 Lic. j.mp/respondjs  */
+(function(a){"use strict";function x(){u(!0)}var b={};if(a.respond=b,b.update=function(){},b.mediaQueriesSupported=a.matchMedia&&a.matchMedia("only all").matches,!b.mediaQueriesSupported){var q,r,t,c=a.document,d=c.documentElement,e=[],f=[],g=[],h={},i=30,j=c.getElementsByTagName("head")[0]||d,k=c.getElementsByTagName("base")[0],l=j.getElementsByTagName("link"),m=[],n=function(){for(var b=0;l.length>b;b++){var c=l[b],d=c.href,e=c.media,f=c.rel&&"stylesheet"===c.rel.toLowerCase();d&&f&&!h[d]&&(c.styleSheet&&c.styleSheet.rawCssText?(p(c.styleSheet.rawCssText,d,e),h[d]=!0):(!/^([a-zA-Z:]*\/\/)/.test(d)&&!k||d.replace(RegExp.$1,"").split("/")[0]===a.location.host)&&m.push({href:d,media:e}))}o()},o=function(){if(m.length){var b=m.shift();v(b.href,function(c){p(c,b.href,b.media),h[b.href]=!0,a.setTimeout(function(){o()},0)})}},p=function(a,b,c){var d=a.match(/@media[^\{]+\{([^\{\}]*\{[^\}\{]*\})+/gi),g=d&&d.length||0;b=b.substring(0,b.lastIndexOf("/"));var h=function(a){return a.replace(/(url\()['"]?([^\/\)'"][^:\)'"]+)['"]?(\))/g,"$1"+b+"$2$3")},i=!g&&c;b.length&&(b+="/"),i&&(g=1);for(var j=0;g>j;j++){var k,l,m,n;i?(k=c,f.push(h(a))):(k=d[j].match(/@media *([^\{]+)\{([\S\s]+?)$/)&&RegExp.$1,f.push(RegExp.$2&&h(RegExp.$2))),m=k.split(","),n=m.length;for(var o=0;n>o;o++)l=m[o],e.push({media:l.split("(")[0].match(/(only\s+)?([a-zA-Z]+)\s?/)&&RegExp.$2||"all",rules:f.length-1,hasquery:l.indexOf("(")>-1,minw:l.match(/\(\s*min\-width\s*:\s*(\s*[0-9\.]+)(px|em)\s*\)/)&&parseFloat(RegExp.$1)+(RegExp.$2||""),maxw:l.match(/\(\s*max\-width\s*:\s*(\s*[0-9\.]+)(px|em)\s*\)/)&&parseFloat(RegExp.$1)+(RegExp.$2||"")})}u()},s=function(){var a,b=c.createElement("div"),e=c.body,f=!1;return b.style.cssText="position:absolute;font-size:1em;width:1em",e||(e=f=c.createElement("body"),e.style.background="none"),e.appendChild(b),d.insertBefore(e,d.firstChild),a=b.offsetWidth,f?d.removeChild(e):e.removeChild(b),a=t=parseFloat(a)},u=function(b){var h="clientWidth",k=d[h],m="CSS1Compat"===c.compatMode&&k||c.body[h]||k,n={},o=l[l.length-1],p=(new Date).getTime();if(b&&q&&i>p-q)return a.clearTimeout(r),r=a.setTimeout(u,i),void 0;q=p;for(var v in e)if(e.hasOwnProperty(v)){var w=e[v],x=w.minw,y=w.maxw,z=null===x,A=null===y,B="em";x&&(x=parseFloat(x)*(x.indexOf(B)>-1?t||s():1)),y&&(y=parseFloat(y)*(y.indexOf(B)>-1?t||s():1)),w.hasquery&&(z&&A||!(z||m>=x)||!(A||y>=m))||(n[w.media]||(n[w.media]=[]),n[w.media].push(f[w.rules]))}for(var C in g)g.hasOwnProperty(C)&&g[C]&&g[C].parentNode===j&&j.removeChild(g[C]);for(var D in n)if(n.hasOwnProperty(D)){var E=c.createElement("style"),F=n[D].join("\n");E.type="text/css",E.media=D,j.insertBefore(E,o.nextSibling),E.styleSheet?E.styleSheet.cssText=F:E.appendChild(c.createTextNode(F)),g.push(E)}},v=function(a,b){var c=w();c&&(c.open("GET",a,!0),c.onreadystatechange=function(){4!==c.readyState||200!==c.status&&304!==c.status||b(c.responseText)},4!==c.readyState&&c.send(null))},w=function(){var b=!1;try{b=new a.XMLHttpRequest}catch(c){b=new a.ActiveXObject("Microsoft.XMLHTTP")}return function(){return b}}();n(),b.update=n,a.addEventListener?a.addEventListener("resize",x,!1):a.attachEvent&&a.attachEvent("onresize",x)}})(this);