https://onlinevetjobs.com/wp-content/plugins/slick-social-share-buttons/js/ga.social_tracking.js?ver=7.0.6

1// Copyright 2011 Google Inc. All Rights Reserved.
2
3/**
4 * @fileoverview A simple script to automatically track Facebook and Twitter
5 * buttons using Google Analytics social tracking feature.
6 * @author [email protected] (Nick Mihailovski)
7 */
8
9
10/**
11 * Namespace.
12 * @type {Object}.
13 */
14var _ga = _ga || {};
15
16
17/**
18 * Ensure global _gaq Google Anlaytics queue has be initialized.
19 * @type {Array}
20 */
21var _gaq = _gaq || [];
22
23
24/**
25 * Helper method to track social features. This assumes all the social
26 * scripts / apis are loaded synchronously. If they are loaded async,
27 * you might need to add the nextwork specific tracking call to the
28 * a callback once the network's script has loaded.
29 * @param {string} opt_pageUrl An optional URL to associate the social
30 *     tracking with a particular page.
31 * @param {string} opt_trackerName An optional name for the tracker object.
32 */
33_ga.trackSocial = function(opt_pageUrl, opt_trackerName) {
34  _ga.trackFacebook(opt_pageUrl, opt_trackerName);
35  _ga.trackTwitter(opt_pageUrl, opt_trackerName);
36};
37
38
39/**
40 * Tracks Facebook likes, unlikes and sends by suscribing to the Facebook
41 * JSAPI event model. Note: This will not track facebook buttons using the
42 * iFrame method.
43 * @param {string} opt_pageUrl An optional URL to associate the social
44 *     tracking with a particular page.
45 * @param {string} opt_trackerName An optional name for the tracker object.
46 */
47_ga.trackFacebook = function(opt_pageUrl, opt_trackerName) {
48  var trackerName = _ga.buildTrackerName_(opt_trackerName);
49  try {
50    if (FB && FB.Event && FB.Event.subscribe) {
51      FB.Event.subscribe('edge.create', function(targetUrl) {
52        _gaq.push([trackerName + '_trackSocial', 'facebook', 'like',
53            targetUrl, opt_pageUrl]);
54      });
55      FB.Event.subscribe('edge.remove', function(targetUrl) {
56        _gaq.push([trackerName + '_trackSocial', 'facebook', 'unlike',
57            targetUrl, opt_pageUrl]);
58      });
59      FB.Event.subscribe('message.send', function(targetUrl) {
60        _gaq.push([trackerName + '_trackSocial', 'facebook', 'send',
61            targetUrl, opt_pageUrl]);
62      });
63      
64/* Comment tracking from the tucknott.net blog */
65

66	FB.Event.subscribe('comment.create', function(targetUrl) {
67	  _gaq.push(['_trackSocial', 'facebook', 'comment', targetUrl]);
68	});
69		
70	FB.Event.subscribe('comment.remove', function(targetUrl) {
71	  _gaq.push(['_trackSocial', 'facebook', 'uncomment', targetUrl]);
72	});
73
74    }
75  } catch (e) {}
76};
77
78
79	
80	
81/**
82 * Returns the normalized tracker name configuration parameter.
83 * @param {string} opt_trackerName An optional name for the tracker object.
84 * @return {string} If opt_trackerName is set, then the value appended with
85 *     a . Otherwise an empty string.
86 * @private
87 */
88_ga.buildTrackerName_ = function(opt_trackerName) {
89  return opt_trackerName ? opt_trackerName + '.' : '';
90};
91
92
93/**
94 * Tracks everytime a user clicks on a tweet button from Twitter.
95 * This subscribes to the Twitter JS API event mechanism to listen for
96 * clicks coming from this page. Details here:
97 * http://dev.twitter.com/pages/intents-events#click
98 * This method should be called once the twitter API has loaded.
99 * @param {string} opt_pageUrl An optional URL to associate the social
100 *     tracking with a particular page.
101 * @param {string} opt_trackerName An optional name for the tracker object.
102 */
103_ga.trackTwitter = function(opt_pageUrl, opt_trackerName) {
104  var trackerName = _ga.buildTrackerName_(opt_trackerName);
105  try {
106    if (twttr && twttr.events && twttr.events.bind) {
107      twttr.events.bind('tweet', function(event) {
108        if (event) {
109          var targetUrl; // Default value is undefined.
110          if (event.target && event.target.nodeName == 'IFRAME') {
111            targetUrl = _ga.extractParamFromUri_(event.target.src, 'url');
112          }
113          _gaq.push([trackerName + '_trackSocial', 'twitter', 'tweet',
114            targetUrl, opt_pageUrl]);
115        }
116      });
117    }
118  } catch (e) {}
119};
120
121
122/**
123 * Extracts a query parameter value from a URI.
124 * @param {string} uri The URI from which to extract the parameter.
125 * @param {string} paramName The name of the query paramater to extract.
126 * @return {string} The un-encoded value of the query paramater. underfined
127 *     if there is no URI parameter.
128 * @private
129 */
130_ga.extractParamFromUri_ = function(uri, paramName) {
131  if (!uri) {
132    return;
133  }
134  var uri = uri.split('#')[0];  // Remove anchor.
135  var parts = uri.split('?');  // Check for query params.
136  if (parts.length == 1) {
137    return;
138  }
139  var query = decodeURI(parts[1]);
140
141  // Find url param.
142  paramName += '=';
143  var params = query.split('&');
144  for (var i = 0, param; param = params[i]; ++i) {
145    if (param.indexOf(paramName) === 0) {
146      return unescape(param.split('=')[1]);
147    }
148  }
149  return;
150};