Asynchronous Javascript Action

gistfile1.js

// Adopted from
// http://www.obdev.at/resources/launchbar/developer-documentation/javascript-http.html#//apple_ref/cpp/Method/getJSON
function run(done) {
	var search = 'perfect circle';
	var query = encodeURIComponent(search); 
	var result = HTTP.getJSON('http://ws.spotify.com/search/1/artist.json?q=' + query, function(result) {
		if (result.data != undefined) {
			// Show the top result:
			var artist = result.data.artists[0];
			done([{ 'title' : artist.name}]);
		} else if (result.error != undefined) {
			LaunchBar.alert('Unable to load results for "' + search + '"', result.error);
			done();
		}
	});
}