mozilla/popcorn.webmaker.org — pull request #395 by fuzzyfox (2013-12-19 12:18:34+00:00)
Title: Added a "durationchange" message type to the embedded player.

The message is sent with the duration of the popcorn project.

Example Usage:

window.addEventListener('message', function(message){
if(message.data.type == 'durationchange'){
console.log('make duration: %s', message.data.duration);
}
});