Undo-close-tab-in-background function for Vimperator

undo-bg.vimperator

" Undo-close-tab-in-background function for Vimperator

command! undob -description "Undo closed tab in background" :js undob();
:js <<EOF
  undob = function() {
      var currT = gBrowser.selectedTab;
      var altT = liberator.modules.tabs.alternate;
      var ssService = Components.interfaces.nsISessionStore;
      var ssClass = Components.classes['@mozilla.org/browser/sessionstore;1']
      var ss = ssClass.getService(ssService);
      var closedTabs = JSON.parse(ss.getClosedTabData(window));
      var ct0 = closedTabs[0];
      ss.undoCloseTab(window, ct0);
      gBrowser.selectedTab = altT;
      gBrowser.selectedTab = currT;
  }
EOF