bookmarks.js

CmdUtils.CreateCommand({
  names: ["bmtest"],
  preview: function preview(pblock) {
    pblock.innerHTML = "";
    var historyService = Components.classes["@mozilla.org/browser/nav-history-service;1"]
                                   .getService(Components.interfaces.nsINavHistoryService);
    var options = historyService.getNewQueryOptions();
    var query = historyService.getNewQuery();
    var bookmarkService = Components.classes["@mozilla.org/browser/nav-bookmarks-service;1"]
                                    .getService(Components.interfaces.nsINavBookmarksService);
    query.setFolders([bookmarkService.toolbarFolder], 1);
    var result = historyService.executeQuery(query, options);
    var {root} = result;
    root.containerOpen = true;
    for (var i = 0; i < root.childCount; i ++) {
      var node = root.getChild(i);
      pblock.innerHTML += node.title + "<br />";
    }
    root.containerOpen = false;
  },
});