updatemuffler

updatemuffler.js (1377B)

---

 new function () {
   // TODO: #updatemuffler-menuitem command handler for updating blacklist
 
   var getBlacklist = function () {
     var prefService = Components.classes["@mozilla.org/preferences-service;1"].
         getService(Components.interfaces.nsIPrefService);
     var prefBranch = prefService.
         getBranch("extensions.updatemuffler.blacklist.");
     var keys = prefBranch.getChildList("", {});
     return keys.map(function (key) {
       return new RegExp(prefBranch.getCharPref(key));
     });
   };
 
   var isBlacklisted = function (url) {
     return getBlacklist().some(function (regex) { return url.match(regex); });
   };
 
   var closeTabIfBlacklisted = function (tab) {
     var browser = gBrowser.getBrowserForTab(tab);
     browser.addEventListener(
       "pageshow",
       function (event) {
         var url = event.originalTarget.defaultView.location.href;
         if (url === "about:blank") {
           return;
         }
         if (isBlacklisted(url)) {
           gBrowser.removeTab(tab);
         }
         browser.removeEventListener("pageshow", arguments.callee, false);
       },
       false
     );
   };
 
   window.addEventListener(
     "load",
     function () {
       gBrowser.tabContainer.addEventListener(
         "TabOpen",
         function (event) {
           closeTabIfBlacklisted(event.target);
         },
         false
       );
     },
     false
   );
 }