Christopher Van Wiemeersch cvan

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cvan / index.html

Created April 25, 2013 18:37

navigator.mozAlarms in Firefox OS

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1">
	<title></title>
	<style>
	.queue {
	margin: 0;
	padding: 0;

cvan / gist:6444031

Created September 4, 2013 23:07

convert URI of image to data URI

	// Load an image in your browser and paste this in your console

	var i=new Image();i.src=document.location.href;i.onload=function(){var c=document.createElement('canvas');c.width=this.width;c.height=this.height;c.getContext('2d').drawImage(this,0,0);window.location=c.toDataURL('image/png');};

cvan / charmin.js

Created September 18, 2013 04:27

sanitizes unescaped HTML to protect you from doing DOM shit like getting XSS'd

	function charmin(dirty, whitelist) {
	// returns sanitized HTML; accepts two arguments:
	// (1) dirty: unescaped HTML
	// (2) whitelist: array of allowed HTML tags
	var div = document.createElement('div');
	document.createDocumentFragment().appendChild(div);
	div.innerHTML = dirty;
	var naughty = div.querySelectorAll(whitelist && whitelist.length ? ':not(' + whitelist.join('):not(') + ')' : '*');
	var i = naughty.length;
	while (i--) {

cvan / nginx.conf

Created December 4, 2013 19:43

nginx configuration for Firefox Marketplace (using a custom API)

	worker_processes 1;

	events {
	worker_connections 1024;
	}

	http {
	include mime.types;
	default_type application/octet-stream;
	sendfile on;

cvan / gist:7815966

Created December 5, 2013 23:24

getters and setters

	function makeSmart(obj) {
	obj.__bound__ = {};
	}

	function isSmart(obj) {
	return '__bound__' in obj;
	}

	function makeSmartProperty(obj, property) {
	var oldVal = obj[property];

cvan / manifest.js

Created December 6, 2013 00:01

	function Manifest(defaultObj) {
	this.data = defaultObj \|\| {};
	}
	Manifest.prototype.render = function() {
	console.log(JSON.stringify(this.data));
	};
	Manifest.prototype.set = function(k, v) {
	this.data[k] = v;
	this.render();
	};

cvan / loadExternalImage.js

Created December 29, 2013 11:27

cross-origin (CORS) dynamic image loading (detect when an image changes)

	// Load a cross-origin image (using CORS).
	// This continually updates an `img` element's `src` until an image's
	// data URI has changed.

	function loadExternalImage(uri, throbberUri) {
	var canvas = document.createElement('canvas');
	var ctx = canvas.getContext('2d');

	var img = document.createElement('img');

cvan / data.json

Last active January 2, 2016 11:19

This file has been truncated, but you can view the full file.

cvan / gist:8550036

Created January 21, 2014 22:46

	{
	"objectName": "WebPage",
	"title": "Firefox Marketplace",
	"frameTitle": "Firefox Marketplace",
	"content": "<!DOCTYPE html><html manifest=\"/manifest.appcache?repo=fireplace\"><head>\n <meta charset=\"utf-8\">\n <meta name=\"viewport\" content=\"width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1\">\n <title>Firefox Marketplace</title>\n <meta property=\"og:title\" content=\"Firefox Marketplace\">\n <meta property=\"og:type\" content=\"website\">\n <meta property=\"og:image\" content=\"https://marketplace-dev-cdn.allizom.org/media/fireplace/img/logos/128.png?b=1390340222862\">\n <meta name=\"description\" content=\"The Firefox Marketplace is the official source of apps for the Web Platform.\">\n <link rel=\"icon\" href=\"https://marketplace-dev-cdn.allizom.org/media/fireplace/img/logos/128.png?b=1390340222862\" sizes=\"128x128\">\n <link rel=\"icon\" href=\"https://marketplace-dev-cdn.allizom.org/media/fireplace/img/logos/64.png?b=1390340222862\" sizes=\"6

cvan / dev.json

Created January 21, 2014 22:51