ubiquity user command

metab.js

var noun_type_opt = new CmdUtils.NounType('option',  ['new','same']);
CmdUtils.CreateCommand({
	name        : 'metab',
	icon        : 'http://b.hatena.ne.jp/favicon.ico',
	description : 'Get Hatena bookmarks',
	homepage    : 'http://d.hatena.ne.jp/zaknak/20080927/1222524088',
	author      : { name: 'zaknak' },
	takes       : { 'option' : noun_type_opt },
	cache       : {},
	execute : function(argv){
		if(this.cache.recentEntry){
			if(argv.text == 'new'){
				Application.activeWindow.open(Utils.url(this.cache.recentEntry));
			}else{
				Application.activeWindow.activeTab.document.location.href = this.cache.recentEntry;
			}
		}
	},
	preview : function(view){
		var doc =  Application.activeWindow.activeTab.document;
		var cache = this.cache;
		var showEntry = function(entry){
			var elm = doc.createElement('p');
			elm.innerHTML = entry == 'terminated' ? entry : '<a href="' + entry + '">' + entry; + '</a>';
			view.appendChild(elm);
		}

		jQuery(view).empty();

		(function(url){
			var calee = arguments.callee;
			var req = 'http://b.hatena.ne.jp/entry/json/' + url.replace(/#/g,'%23');

			if(cache[req]){
				showEntry(cache[req]);
				if(cache[req] != 'terminated'){
					calee(cache[req]);
				}
			 }else{
				jQuery.getJSON(req , function(json){
					if(json && json.entry_url){
						cache[req] = cache.recentEntry = json.entry_url;
						Utils.setTimeout(function(){
							calee(json.entry_url);
						},500);
					}else{
						cache[req] = 'terminated';
					}
					showEntry(cache[req]);
				});
			}
		})(doc.location.href);
	},
});