From 5b6f5ebf9d2e97ed951a24a2fe278cd3c257207e Mon Sep 17 00:00:00 2001
From: Julian Lam <julian.lam@gmail.com>
Date: Wed, 4 Dec 2013 11:40:57 -0500
Subject: [PATCH] added tinycon lib and changed notif icon to be in CSS instead
 of in template

---
 public/src/forum/footer.js       |  23 ++-
 public/templates/header.tpl      |   2 +-
 public/vendor/tinycon/tinycon.js | 267 +++++++++++++++++++++++++++++++
 src/meta.js                      |   3 +-
 4 files changed, 287 insertions(+), 8 deletions(-)
 create mode 100644 public/vendor/tinycon/tinycon.js

diff --git a/public/src/forum/footer.js b/public/src/forum/footer.js
index d83f461b2a..3dd72fca29 100644
--- a/public/src/forum/footer.js
+++ b/public/src/forum/footer.js
@@ -66,7 +66,7 @@
 	var notifContainer = document.getElementsByClassName('notifications')[0],
 		notifTrigger = notifContainer.querySelector('a'),
 		notifList = document.getElementById('notif-list'),
-		notifIcon = document.querySelector('.notifications a i');
+		notifIcon = $('.notifications a');
 	notifTrigger.addEventListener('click', function(e) {
 		e.preventDefault();
 		if (notifContainer.className.indexOf('open') === -1) {
@@ -77,7 +77,6 @@
 					numUnread = data.unread.length,
 					x;
 				notifList.innerHTML = '';
-				console.log(data);
 				if ((data.read.length + data.unread.length) > 0) {
 					for (x = 0; x < numUnread; x++) {
 						notifEl.setAttribute('data-nid', data.unread[x].nid);
@@ -106,13 +105,13 @@
 				notifList.appendChild(notifFrag);
 
 				if (data.unread.length > 0) {
-					notifIcon.className = 'fa fa-bell active';
+					notifIcon.toggleClass('active', true);
 				} else {
-					notifIcon.className = 'fa fa-bell-o';
+					notifIcon.toggleClass('active', false);
 				}
 
 				socket.emit('api:notifications.mark_all_read', null, function() {
-					notifIcon.className = 'fa fa-bell-o';
+					notifIcon.toggleClass('active', false);
 					utils.refreshTitle();
 				});
 			});
@@ -138,8 +137,20 @@
 		}
 	});
 
+	socket.emit('api:notifications.getCount', function(count) {
+		// Update notification icon, if necessary
+		if (count > 0) {
+			notifIcon.toggleClass('active', true);
+		} else {
+			notifIcon.toggleClass('active', false);
+		}
+
+		// Update favicon
+		Tinycon.setBubble(count);
+	});
+
 	socket.on('event:new_notification', function() {
-		document.querySelector('.notifications a i').className = 'fa fa-bell active';
+		notifIcon.toggleClass('active', true);
 		app.alert({
 			alert_id: 'new_notif',
 			title: 'New notification',
diff --git a/public/templates/header.tpl b/public/templates/header.tpl
index 1bc395b0c0..73dd44e334 100644
--- a/public/templates/header.tpl
+++ b/public/templates/header.tpl
@@ -90,7 +90,7 @@
 					</li>
 
 					<li id="notifications-list" class="notifications dropdown text-center hidden-xs">
-						<a class="dropdown-toggle" data-toggle="dropdown" href="#" id="notif_dropdown"><i class="fa fa-bell-o"></i></a>
+						<a class="dropdown-toggle" data-toggle="dropdown" href="#" id="notif_dropdown"></a>
 						<ul id="notif-list" class="dropdown-menu" aria-labelledby="notif_dropdown">
 							<li>
 								<a href="#"><i class="fa fa-refresh fa-spin"></i> [[global:notifications.loading]]</a>
diff --git a/public/vendor/tinycon/tinycon.js b/public/vendor/tinycon/tinycon.js
new file mode 100644
index 0000000000..c1164fa22d
--- /dev/null
+++ b/public/vendor/tinycon/tinycon.js
@@ -0,0 +1,267 @@
+/*!
+ * Tinycon - A small library for manipulating the Favicon
+ * Tom Moor, http://tommoor.com
+ * Copyright (c) 2012 Tom Moor
+ * MIT Licensed
+ * @version 0.6.1
+ */
+
+(function(){
+
+	var Tinycon = {};
+	var currentFavicon = null;
+	var originalFavicon = null;
+	var originalTitle = document.title;
+	var faviconImage = null;
+	var canvas = null;
+	var options = {};
+	var r = window.devicePixelRatio || 1;
+	var size = 16 * r;
+	var defaults = {
+		width: 7,
+		height: 9,
+		font: 10 * r + 'px arial',
+		colour: '#ffffff',
+		background: '#F03D25',
+		fallback: true,
+		crossOrigin: true,
+		abbreviate: true
+	};
+
+	var ua = (function () {
+		var agent = navigator.userAgent.toLowerCase();
+		// New function has access to 'agent' via closure
+		return function (browser) {
+			return agent.indexOf(browser) !== -1;
+		};
+	}());
+
+	var browser = {
+		ie: ua('msie'),
+		chrome: ua('chrome'),
+		webkit: ua('chrome') || ua('safari'),
+		safari: ua('safari') && !ua('chrome'),
+		mozilla: ua('mozilla') && !ua('chrome') && !ua('safari')
+	};
+
+	// private methods
+	var getFaviconTag = function(){
+
+		var links = document.getElementsByTagName('link');
+
+		for(var i=0, len=links.length; i < len; i++) {
+			if ((links[i].getAttribute('rel') || '').match(/\bicon\b/)) {
+				return links[i];
+			}
+		}
+
+		return false;
+	};
+
+	var removeFaviconTag = function(){
+
+		var links = document.getElementsByTagName('link');
+		var head = document.getElementsByTagName('head')[0];
+
+		for(var i=0, len=links.length; i < len; i++) {
+			var exists = (typeof(links[i]) !== 'undefined');
+			if (exists && (links[i].getAttribute('rel') || '').match(/\bicon\b/)) {
+				head.removeChild(links[i]);
+			}
+		}
+	};
+
+	var getCurrentFavicon = function(){
+
+		if (!originalFavicon || !currentFavicon) {
+			var tag = getFaviconTag();
+			originalFavicon = currentFavicon = tag ? tag.getAttribute('href') : '/favicon.ico';
+		}
+
+		return currentFavicon;
+	};
+
+	var getCanvas = function (){
+
+		if (!canvas) {
+			canvas = document.createElement("canvas");
+			canvas.width = size;
+			canvas.height = size;
+		}
+
+		return canvas;
+	};
+
+	var setFaviconTag = function(url){
+		removeFaviconTag();
+
+		var link = document.createElement('link');
+		link.type = 'image/x-icon';
+		link.rel = 'icon';
+		link.href = url;
+		document.getElementsByTagName('head')[0].appendChild(link);
+	};
+
+	var log = function(message){
+		if (window.console) window.console.log(message);
+	};
+
+	var drawFavicon = function(label, colour) {
+
+		// fallback to updating the browser title if unsupported
+		if (!getCanvas().getContext || browser.ie || browser.safari || options.fallback === 'force') {
+			return updateTitle(label);
+		}
+
+		var context = getCanvas().getContext("2d");
+		var colour = colour || '#000000';
+		var src = getCurrentFavicon();
+
+		faviconImage = document.createElement('img');
+		faviconImage.onload = function() {
+
+			// clear canvas
+			context.clearRect(0, 0, size, size);
+
+			// draw the favicon
+			context.drawImage(faviconImage, 0, 0, faviconImage.width, faviconImage.height, 0, 0, size, size);
+
+			// draw bubble over the top
+			if ((label + '').length > 0) drawBubble(context, label, colour);
+
+			// refresh tag in page
+			refreshFavicon();
+		};
+
+		// allow cross origin resource requests if the image is not a data:uri
+		// as detailed here: https://github.com/mrdoob/three.js/issues/1305
+		if (!src.match(/^data/) && options.crossOrigin) {
+			faviconImage.crossOrigin = 'anonymous';
+		}
+
+		faviconImage.src = src;
+	};
+
+	var updateTitle = function(label) {
+
+		if (options.fallback) {
+			if ((label + '').length > 0) {
+				document.title = '(' + label + ') ' + originalTitle;
+			} else {
+				document.title = originalTitle;
+			}
+		}
+	};
+
+	var drawBubble = function(context, label, colour) {
+
+		// automatic abbreviation for long (>2 digits) numbers
+		if (typeof label == 'number' && label > 99 && options.abbreviate) {
+			label = abbreviateNumber(label);
+		}
+
+		// bubble needs to be larger for double digits
+		var len = (label + '').length-1;
+
+		var width = options.width * r + (6 * r * len),
+			height = options.height * r;
+
+		var top = size - height,
+            left = size - width - r,
+            bottom = 16 * r,
+            right = 16 * r,
+            radius = 2 * r;
+
+		// webkit seems to render fonts lighter than firefox
+		context.font = (browser.webkit ? 'bold ' : '') + options.font;
+		context.fillStyle = options.background;
+		context.strokeStyle = options.background;
+		context.lineWidth = r;
+
+		// bubble
+		context.beginPath();
+        context.moveTo(left + radius, top);
+		context.quadraticCurveTo(left, top, left, top + radius);
+		context.lineTo(left, bottom - radius);
+        context.quadraticCurveTo(left, bottom, left + radius, bottom);
+        context.lineTo(right - radius, bottom);
+        context.quadraticCurveTo(right, bottom, right, bottom - radius);
+        context.lineTo(right, top + radius);
+        context.quadraticCurveTo(right, top, right - radius, top);
+        context.closePath();
+        context.fill();
+
+		// bottom shadow
+		context.beginPath();
+		context.strokeStyle = "rgba(0,0,0,0.3)";
+		context.moveTo(left + radius / 2.0, bottom);
+		context.lineTo(right - radius / 2.0, bottom);
+		context.stroke();
+
+		// label
+		context.fillStyle = options.colour;
+		context.textAlign = "right";
+		context.textBaseline = "top";
+
+		// unfortunately webkit/mozilla are a pixel different in text positioning
+		context.fillText(label, r === 2 ? 29 : 15, browser.mozilla ? 7*r : 6*r);
+	};
+
+	var refreshFavicon = function(){
+		// check support
+		if (!getCanvas().getContext) return;
+
+		setFaviconTag(getCanvas().toDataURL());
+	};
+
+	var abbreviateNumber = function(label) {
+		var metricPrefixes = [
+			['G', 1000000000],
+			['M',    1000000],
+			['k',       1000]
+		];
+
+		for(var i = 0; i < metricPrefixes.length; ++i) {
+			if (label >= metricPrefixes[i][1]) {
+				label = round(label / metricPrefixes[i][1]) + metricPrefixes[i][0];
+				break;
+			}
+		}
+
+		return label;
+	};
+
+	var round = function (value, precision) {
+		var number = new Number(value);
+		return number.toFixed(precision);
+	};
+
+	// public methods
+	Tinycon.setOptions = function(custom){
+		options = {};
+
+		for(var key in defaults){
+			options[key] = custom.hasOwnProperty(key) ? custom[key] : defaults[key];
+		}
+		return this;
+	};
+
+	Tinycon.setImage = function(url){
+		currentFavicon = url;
+		refreshFavicon();
+		return this;
+	};
+
+	Tinycon.setBubble = function(label, colour) {
+		label = label || '';
+		drawFavicon(label, colour);
+		return this;
+	};
+
+	Tinycon.reset = function(){
+		setFaviconTag(originalFavicon);
+	};
+
+	Tinycon.setOptions(defaults);
+	window.Tinycon = Tinycon;
+})();
\ No newline at end of file
diff --git a/src/meta.js b/src/meta.js
index 792d213a84..a5e50fd552 100644
--- a/src/meta.js
+++ b/src/meta.js
@@ -198,9 +198,10 @@ var utils = require('./../public/src/utils.js'),
 			'vendor/jquery/js/jquery.timeago.js',
 			'vendor/jquery/js/jquery.form.js',
 			'vendor/bootstrap/js/bootstrap.min.js',
-			'src/app.js',
 			'vendor/requirejs/require.js',
 			'vendor/bootbox/bootbox.min.js',
+			'vendor/tinycon/tinycon.js',
+			'src/app.js',
 			'src/templates.js',
 			'src/ajaxify.js',
 			'src/translator.js',