Issue 1103 - Migrate Simple Adblock users

html/static/js/firstRun.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 87 matching lines @@
               .replace(/%LINK%/g, page)
               .replace(/%LANG%/g, Utils.appLocale);
 }
 
 function initTranslations()
 {
   // Map message ID to HTML element ID
   var mapping = {
     "aa-title": "first-run-aa-title",
     "aa-text": "first-run-aa-text",
-    "title-main": AdblockPlus.isUpdate() ? "first-run-title-update" : "first-run-title-install",
+    "title-main": AdblockPlus.getConversion() == "simpleadblock" ? "first-run-title-simple-adblock" :
+                             AdblockPlus.isUpdate() ? "first-run-title-update" : "first-run-title-install",
     "share-donate": "first-run-share2-donate",
     "share-text": "first-run-share2",
-    "share-connection": "first-run-share2-or"
+    "share-connection": "first-run-share2-or",
+    "upgrade-from-other-plugin-text1": "first-run-text1-simple-adblock",
+    "upgrade-from-other-plugin-text2": "first-run-text2-simple-adblock"
   };
 
   document.title = AdblockPlus.getMessage("first-run", mapping['title-main']);
   for (var i in mapping)
   {
     var element = document.getElementById(i);
     setElementText(element, AdblockPlus.getMessage("first-run", mapping[i]));
   }
 }
 
 function init()
 {
   initTranslations();
   initSocialLinks();
   setLinks("aa-text", getDocLink("acceptable_ads_criteria"), "index.html");
 
+  if (AdblockPlus.isUpgradeFrom("simpleadblock")) {

[Eric, 2015/05/17 00:29:25]

Where is 'isUpgradeFrom' defined?

Is it the same as 
  AdblockPlus.getConversion() == "simpleadblock"
as above?

+    document.getElementById("upgrade-from-other-plugin").style.display = "block";
+  }
   var donateLink = document.getElementById("share-donate");
   donateLink.href = getDocLink("donate");
 }
 
 // Inserts i18n strings into matching elements. Any inner HTML already in the 
 // element is parsed as JSON and used as parameters to substitute into 
 // placeholders in the i18n message.
 setElementText = function(element, elementHtml)
 {
   function processString(str, element)
@@ skipping 37 matching lines @@
       links[i].href = curArg;
       links[i].setAttribute("target", "_blank");
     }
     else if (typeof curArg == "function")
     {
       links[i].href = "javascript:void(0);";
       links[i].addEventListener("click", curArg, false);
     }
   }
 }