adb8dd2449d4ce58327aabeb09d3b143201ad6f3
max
  Tue Sep 22 03:09:08 2020 -0700
sending event with current db to google analytics, for yearly NIH report, refs #21916,

diff --git src/hg/lib/googleAnalytics.c src/hg/lib/googleAnalytics.c
index ca0a2ea..1494650 100644
--- src/hg/lib/googleAnalytics.c
+++ src/hg/lib/googleAnalytics.c
@@ -1,60 +1,67 @@
 /* Copyright (C) 2014 The Regents of the University of California 
  * See README in this or parent directory for licensing information. */
 
 #include "common.h"
 #include "hgConfig.h"
 #include "hPrint.h"
 #include "googleAnalytics.h"
 
 
 void googleAnalytics()
 /* check for analytics configuration item and output google hooks if OK */
 {
 static boolean done = FALSE;
 
 if (done)
     return;
 
 done = TRUE;	/*	do not repeat this by mistake	*/
 
 char *analyticsKey = cfgOption("analyticsKey");
 
 /*	if config is missing or empty, nothing happens here	*/
 if (isEmpty(analyticsKey))
     return;
 
 /* updated to Universal Analytics code 2014-06-19 */
 
 jsInlineF(
 "  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){\n"
 "  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),\n"
 "  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)\n"
 "  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');\n"
 "  ga('create', '%s', 'auto');\n"
 "  ga('require', 'displayfeatures');\n"
 "  ga('send', 'pageview');\n"
 "\n"
 , analyticsKey);
 // see https://support.google.com/analytics/answer/1136920?hl=en
 jsInlineF(
 "  function anchorClicked(ev) {\n"
+"  /* user clicked an anchor: send event to Google analytics and navigate to the link */\n"
 "      var isExternal = (ev.target.target==='_blank');\n"
 "      var url = ev.target.href;\n"
 "      if (url === undefined)\n" // this happens on hgTracks, for the case <a href....><p>bla</p></a>
-"           url = ev.target.parentElement.href;\n"
+"           url = ev.target.closest('a');\n"
 "      if (isExternal) {\n"
 "         ga('send', 'event', 'outbound', 'click', url,\n"
 "           { 'transport': 'beacon', 'hitCallback': function(){window.open(url);} });\n"
 "      } else {\n"
 "         document.location=url;\n"
 "      }\n"
 "      return false;\n"
 "  }"
 "  $(document).ready(function() {\n"
 "      var anchors = document.getElementsByTagName('a');\n"
-"      for (var i in anchors) { \n"
-"           if (ev.target.attributes.href.value!=='#')\n" // do not run on javascript-only links for now
-"               anchors[i].onclick = anchorClicked;"
+"      for (var i = 0; i < anchors.length; i++) { \n"
+"           var a = anchors[i];\n"
+"           if (a.attributes.href && a.attributes.href.value!=='#')\n" // do not run on javascript links
+"               a.onclick = anchorClicked;"
 "      };\n"
-"  });");
+"      // on hgTracks: send an event with the current db, so we can report popularity of assemblies to NIH\n"
+"      if (typeof hgTracks !== undefined)\n"
+"          ga('send', 'event', 'hgTracks', 'load', getDb());\n"
+"  });"
+);
+
 }