Initial commit

backup/Signal >> Home_files/ping-5466b638a1abe764ac4db91c764bcf45af6e11033f07523b1152ff40.js

@@ -0,0 +1,210 @@
+(function() {
+	'use strict';
+
+	if (window.signalcounter && window.signalcounter.vars)  // Compatibility
+		window.signalcounter = window.signalcounter.vars
+	else
+		window.signalcounter = window.signalcounter || {}
+
+	// Get all data we're going to send off to the counter endpoint.
+	var get_data = function(vars) {
+		var data = {
+			p: (vars.path     === undefined ? signalcounter.path     : vars.path),
+			r: (vars.referrer === undefined ? signalcounter.referrer : vars.referrer),
+			t: (vars.title    === undefined ? signalcounter.title    : vars.title),
+			e: !!(vars.event || signalcounter.event),
+			s: [window.screen.width, window.screen.height, (window.devicePixelRatio || 1)],
+			b: is_bot(),
+			q: location.search,
+		}
+
+		var rcb, pcb, tcb  // Save callbacks to apply later.
+		if (typeof(data.r) === 'function') rcb = data.r
+		if (typeof(data.t) === 'function') tcb = data.t
+		if (typeof(data.p) === 'function') pcb = data.p
+
+		if (is_empty(data.r)) data.r = document.referrer
+		if (is_empty(data.t)) data.t = document.title
+		if (is_empty(data.p)) {
+			var loc = location,
+			    c = document.querySelector('link[rel="canonical"][href]')
+			if (c) {  // May be relative or point to different domain.
+				var a = document.createElement('a')
+				a.href = c.href
+				if (a.hostname.replace(/^www\./, '') === location.hostname.replace(/^www\./, ''))
+					loc = a
+			}
+			data.p = (loc.pathname + loc.search) || '/'
+		}
+
+		if (rcb) data.r = rcb(data.r)
+		if (tcb) data.t = tcb(data.t)
+		if (pcb) data.p = pcb(data.p)
+		return data
+	}
+
+	// Check if a value is "empty" for the purpose of get_data().
+	var is_empty = function(v) { return v === null || v === undefined || typeof(v) === 'function' }
+
+	// See if this looks like a bot; there is some additional filtering on the
+	// backend, but these properties can't be fetched from there.
+	var is_bot = function() {
+		// Headless browsers are probably a bot.
+		var w = window, d = document
+		if (w.callPhantom || w._phantom || w.phantom)
+			return 150
+		if (w.__nightmare)
+			return 151
+		if (d.__selenium_unwrapped || d.__webdriver_evaluate || d.__driver_evaluate)
+			return 152
+		if (navigator.webdriver)
+			return 153
+		return 0
+	}
+
+	// Object to urlencoded string, starting with a ?.
+	var urlencode = function(obj) {
+		var p = []
+		for (var k in obj)
+			if (obj[k] !== '' && obj[k] !== null && obj[k] !== undefined && obj[k] !== false)
+				p.push(encodeURIComponent(k) + '=' + encodeURIComponent(obj[k]))
+		return '?' + p.join('&')
+	}
+
+	// Get the endpoint to send requests to.
+	var get_endpoint = function() {
+		var s = document.querySelector('script[data-signalcounter]');
+		if (s && s.dataset.signalcounter)
+			return s.dataset.signalcounter
+		return (signalcounter.endpoint || window.counter)  // counter is for compat; don't use.
+	}
+
+	// Filter some requests that we (probably) don't want to count.
+	signalcounter.filter = function() {
+		if ('visibilityState' in document && (document.visibilityState === 'prerender' || document.visibilityState === 'hidden'))
+			return 'visibilityState'
+		if (!signalcounter.allow_frame && location !== parent.location)
+			return 'frame'
+//		if (!signalcounter.allow_local && location.hostname.match(/(localhost$|^127\.|^10\.|^172\.(1[6-9]|2[0-9]|3[0-1])\.|^192\.168\.)/))
+//			return 'localhost'
+		if (!signalcounter.allow_local && location.protocol === 'file:')
+			return 'localfile'
+		if (localStorage && localStorage.getItem('skipsc') === 't')
+			return 'disabled with #toggle-signalcounter'
+		return false
+	}
+
+	// Get URL to send to SignalCounter.
+	window.signalcounter.url = function(vars) {
+		var data = get_data(vars || {})
+		if (data.p === null)  // null from user callback.
+			return
+		data.rnd = Math.random().toString(36).substr(2, 5)  // Browsers don't always listen to Cache-Control.
+
+		var endpoint = get_endpoint()
+		if (!endpoint) {
+			if (console && 'warn' in console)
+				console.warn('signalcounter: no endpoint found')
+			return
+		}
+
+		return endpoint + urlencode(data)
+	}
+
+	// Count a hit.
+	window.signalcounter.count = function(vars) {
+		var f = signalcounter.filter()
+		if (f) {
+			if (console && 'log' in console)
+				console.warn('signalcounter: not counting because of: ' + f)
+			return
+		}
+
+		var url = signalcounter.url(vars)
+		if (!url) {
+			if (console && 'log' in console)
+				console.warn('signalcounter: not counting because path callback returned null')
+			return
+		}
+
+		var img = document.createElement('img')
+		img.src = url
+		img.style.position = 'absolute'  // Affect layout less.
+		img.setAttribute('alt', '')
+		img.setAttribute('aria-hidden', 'true')
+
+		var rm = function() { if (img && img.parentNode) img.parentNode.removeChild(img) }
+		setTimeout(rm, 3000)  // In case the onload isn't triggered.
+		img.addEventListener('load', rm, false)
+		document.body.appendChild(img)
+	}
+
+	// Get a query parameter.
+	window.signalcounter.get_query = function(name) {
+		var s = location.search.substr(1).split('&')
+		for (var i = 0; i < s.length; i++)
+			if (s[i].toLowerCase().indexOf(name.toLowerCase() + '=') === 0)
+				return s[i].substr(name.length + 1)
+	}
+
+	// Track click events.
+	window.signalcounter.bind_events = function() {
+		if (!document.querySelectorAll)  // Just in case someone uses an ancient browser.
+			return
+
+		var send = function(elem) {
+			return function() {
+				signalcounter.count({
+					event:    true,
+					path:     (elem.dataset.signalcounterClick || elem.name || elem.id || ''),
+					title:    (elem.dataset.signalcounterTitle || elem.title || (elem.innerHTML || '').substr(0, 200) || ''),
+					referrer: (elem.dataset.signalcounterReferrer || elem.dataset.signalcounterReferral || ''),
+				})
+			}
+		}
+
+		Array.prototype.slice.call(document.querySelectorAll("*[data-signalcounter-click]")).forEach(function(elem) {
+			if (elem.dataset.signalcounterBound)
+				return
+			var f = send(elem)
+			elem.addEventListener('click', f, false)
+			elem.addEventListener('auxclick', f, false)  // Middle click.
+			elem.dataset.signalcounterBound = 'true'
+		})
+	}
+
+	// Make it easy to skip your own views.
+	if (location.hash === '#toggle-signalcounter')
+		if (localStorage.getItem('skipsc') === 't') {
+			localStorage.removeItem('skipsc', 't')
+			alert('SignalCounter tracking is now ENABLED in this browser.')
+		}
+		else {
+			localStorage.setItem('skipgc', 't')
+			alert('SignalCounter tracking is now DISABLED in this browser until ' + location + ' is loaded again.')
+		}
+
+	if (!signalcounter.no_onload) {
+		var DOMReady = function(callback) {
+			document.readyState === "interactive" || document.readyState ==="complete" ? callback() : document.addEventListener("load", callback);
+		};
+
+		DOMReady(function() {
+			signalcounter.count()
+//			if (!signalcounter.no_events)
+//				signalcounter.bind_events()
+		});
+/*
+		var go = function() {
+			signalcounter.count()
+			if (!signalcounter.no_events)
+				signalcounter.bind_events()
+		}
+
+		if (document.body === null)
+			document.addEventListener('DOMContentLoaded', function() { go() }, false)
+		else
+			go()
+*/
+	}
+})();