userChrome.js: filter on adding bookmark

placefilter.uc.js

// ==UserScript==
// @name        place filters
// @include     main
// @include     chrome://browser/content/browser.xul
// ==/UserScript==

(function(){
  // folderのcurrentはBookmarkMenuFolder
  var PSB_filters = [
//    {
//      reg: /^http:\/\/[^\.]+\.tumblr\.com\//,
//      folder: "Tumblr",
//    }
  ];
  PlacesStarButton.onClick = PSB_onClick = function(aEvent){
    var aParent = PSB_filter(getBrowser().selectedBrowser.currentURI);
    if (aEvent.button == 0) PlacesCommandHook.bookmarkCurrentPage(this._starred, aParent);
  }
  function PSB_filter(uri){
    var info = null;
    var spec = uri.spec;
    if(PSB_filters.some(function(data){
      return data.reg.test(spec)? true && (info = data) : false;
    })){
      return info? getFolderByPath(info.folder) : null;
    }
  }
  // expample : start/google
  var bookmarks = PlacesUtils.bookmarks;
  function getFolderByPath(path){
    var current = bookmarks.bookmarksMenuFolder;
    path.split('/').forEach(function(name){
      var temp = bookmarks.getChildFolder(current, name);
      if(!temp) current = bookmarks.createFolder(current, name, 0);
      else current = temp;
    });
    return current;
  }
})();