Facebook 分享 callback + log GA event

fb_share.js

// reference: https://developers.facebook.com/docs/javascript/reference/FB.ui#examples
// reference: https://gist.github.com/niraj-shah/5560832
function fb_share() {
    FB.ui( {
        method: 'feed',
        name: "Glorious Sharing",
        link: "http://seyna.tumblr.com",
        picture: "http://static.tumblr.com/fkm6sn6/59Xlce272/header_white.png",
        caption: "Seyna Tumblr sharing test"
    }, 
    function(response) {
        console.log('callback was called!');
        if ( response && response.post_id ) {
            console.log( "sharing success" );
            // asynchronous call to log GA event
            _gaq.push(['_trackEvent', 'facebook', 'share', 'seyna tumblr']);
        } else {
          console.log( "sharing failed" );
        }
    } );  
}
 
$(document).ready(function(){
  $('.share-btn').on( 'click', fb_share );
});

window.fbAsyncInit = function() {
  FB.init({
    appId      : '1452187671671193',  // replace to yours
    status     : true,
    xfbml      : true
  });
}