MM.Loader/index.html at master · MM56/MM.Loader · GitHub

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<!DOCTYPE html>
<html>
	<head>
		<style>
		#l {
			width:100px;
			height:100px;
			background:orange;
			position:absolute;
			top:0;left:0;
		}
		</style>
	</head>
	<body>
		<div id="l"></div>
	</body>
</html>
<script type="text/worker" id="worker-xhr">
	var xhrs = [];

	function onComplete(xhr) {
		for (var i = 0, l = xhrs.length; i < l; i++) {
			if (xhrs[i].src == xhr.responseURL) {
				xhrs.splice(i, 1);
				postMessage(JSON.parse(JSON.stringify({proxy : "oncomplete", data: {response: xhr.response, src: xhr.responseURL }})));
				break;
			}
		}
	}

	function onAbort(event) {
		i = xhrs.length;
		while (i--) {
			if(xhrs[i].src == event.file.src) {
				xhrs[i].xhr.abort();
				xhrs.splice(i, 1)
			}
		}
	}

	self.addEventListener('message', function(e) {
		switch (e.data.proxy) {
			case "load":
				var xhr = new XHRRequest(e.data.data.src, onComplete).xhr;
				xhrs.push({ src: e.data.data.src, xhr: xhr })
				break;
			case "abort":
				onAbort(e.data);
				break;
		}
	}, false);


	function XHRRequest(url, callback) {
		this.xhr = new XMLHttpRequest();
		this.callback = callback;
		this.xhr.onprogress = this.handleProgress.bind(this);
		this.xhr.onload = this.handleLoad.bind(this);
		this.xhr.onabort = this.handleAbort.bind(this);

		this.xhr.open("GET", url);
		this.xhr.send(null);

	}

	XHRRequest.prototype.handleProgress = function(event) {
		obj = JSON.parse(JSON.stringify({proxy : "onprogress", data: {loaded: event.loaded, total: event.total, src: event.target.responseURL }}));
		postMessage(obj);
	}

	XHRRequest.prototype.handleAbort = function() {
		this.clean();
	}

	XHRRequest.prototype.clean = function() {
		this.xhr.onload = null;
		this.xhr.onabort = null;
		this.xhr.onprogress = null;
		this.callback = null;
		this.xhr = null;
	}

	XHRRequest.prototype.handleLoad = function(event) {
		if(this.xhr.readyState < 4 || this.xhr.status !== 200) {
			this.clean();
			return;
		}
		if(this.xhr.readyState === 4 && this.callback) {
			this.callback(this.xhr);
			this.clean();
		}
	}

</script>
<script type="text/javascript" src="WebWorkerUtils.js" ></script>
<script type="text/javascript" src="MM.loader.js" ></script>
<script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/gsap/latest/TweenMax.min.js" ></script>

<script type="text/javascript">

// absolute paths
var absPath = window.location.href;
var files = [
	{src: absPath + "sample.yml"},
	{src: absPath + "16384.rnd"}
];

var files2 = [
	{src: absPath + "sample.json"},
	{src: absPath + "sample.txt"}
];

var loader = new MM.Loader();
loader.load(files2);
loader.load(files, true);

loader.onFileLoad = function(event) {
	console.log(event);
}

loader.onProgress = function(event) {
	console.log(event);
}

loader.onComplete = function(event) {
	console.log("complete");
}

TweenMax.to(document.getElementById('l'), 15, { x: window.innerWidth, y: window.innerHeight });

</script>