Created
May 19, 2015 08:04
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Embed, start and control youtube video by ID
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// init player, set vars | |
var player = { | |
playVideo: function(container, videoId) { | |
if (typeof(YT) == 'undefined' || typeof(YT.Player) == 'undefined') { | |
window.onYouTubePlayerAPIReady = function() { | |
player.loadPlayer(container, videoId); | |
}; | |
$.getScript('//www.youtube.com/player_api'); | |
} else { | |
player.loadPlayer(container, videoId); | |
} | |
}, | |
loadPlayer: function(container, videoId) { | |
window[videoId] = new YT.Player(container, { | |
playerVars: { | |
modestbranding: 1, | |
rel: 0, | |
showinfo: 0, | |
autoplay: 0 | |
}, | |
videoId: videoId, | |
enablejsapi: 1 | |
}); | |
} | |
}; | |
// run init function | |
var containerId = 'qcV2OInA7eA'; | |
var videoId = 'qcV2OInA7eA'; | |
player.playVideo(containerId, videoId); | |
// controlling player | |
/** | |
* @author Rob W <gwnRob@gmail.com> | |
* @website http://stackoverflow.com/a/7513356/938089 | |
* @version 20131010 | |
* @description Executes function on a framed YouTube video (see website link) | |
* For a full list of possible functions, see: | |
* https://developers.google.com/youtube/js_api_reference | |
* @param String frame_id The id of (the div containing) the frame | |
* @param String func Desired function to call, eg. "playVideo" | |
* (Function) Function to call when the player is ready. | |
* @param Array args (optional) List of arguments to pass to function func*/ | |
function callPlayer(frame_id, func, args) { | |
if (window.jQuery && frame_id instanceof jQuery) frame_id = frame_id.get(0).id; | |
var iframe = document.getElementById(frame_id); | |
if (iframe && iframe.tagName.toUpperCase() != 'IFRAME') { | |
iframe = iframe.getElementsByTagName('iframe')[0]; | |
} | |
// When the player is not ready yet, add the event to a queue | |
// Each frame_id is associated with an own queue. | |
// Each queue has three possible states: | |
// undefined = uninitialised / array = queue / 0 = ready | |
if (!callPlayer.queue) callPlayer.queue = {}; | |
var queue = callPlayer.queue[frame_id], | |
domReady = document.readyState == 'complete'; | |
if (domReady && !iframe) { | |
// DOM is ready and iframe does not exist. Log a message | |
window.console && console.log('callPlayer: Frame not found; id=' + frame_id); | |
if (queue) clearInterval(queue.poller); | |
} else if (func === 'listening') { | |
// Sending the "listener" message to the frame, to request status updates | |
if (iframe && iframe.contentWindow) { | |
func = '{"event":"listening","id":' + JSON.stringify(''+frame_id) + '}'; | |
iframe.contentWindow.postMessage(func, '*'); | |
} | |
} else if (!domReady || | |
iframe && (!iframe.contentWindow || queue && !queue.ready) || | |
(!queue || !queue.ready) && typeof func === 'function') { | |
if (!queue) queue = callPlayer.queue[frame_id] = []; | |
queue.push([func, args]); | |
if (!('poller' in queue)) { | |
// keep polling until the document and frame is ready | |
queue.poller = setInterval(function() { | |
callPlayer(frame_id, 'listening'); | |
}, 250); | |
// Add a global "message" event listener, to catch status updates: | |
messageEvent(1, function runOnceReady(e) { | |
if (!iframe) { | |
iframe = document.getElementById(frame_id); | |
if (!iframe) return; | |
if (iframe.tagName.toUpperCase() != 'IFRAME') { | |
iframe = iframe.getElementsByTagName('iframe')[0]; | |
if (!iframe) return; | |
} | |
} | |
if (e.source === iframe.contentWindow) { | |
// Assume that the player is ready if we receive a | |
// message from the iframe | |
clearInterval(queue.poller); | |
queue.ready = true; | |
messageEvent(0, runOnceReady); | |
// .. and release the queue: | |
while (tmp = queue.shift()) { | |
callPlayer(frame_id, tmp[0], tmp[1]); | |
} | |
} | |
}, false); | |
} | |
} else if (iframe && iframe.contentWindow) { | |
// When a function is supplied, just call it (like "onYouTubePlayerReady") | |
if (func.call) return func(); | |
// Frame exists, send message | |
iframe.contentWindow.postMessage(JSON.stringify({ | |
"event": "command", | |
"func": func, | |
"args": args || [], | |
"id": frame_id | |
}), "*"); | |
} | |
/* IE8 does not support addEventListener... */ | |
function messageEvent(add, listener) { | |
var w3 = add ? window.addEventListener : window.removeEventListener; | |
w3 ? | |
w3('message', listener, !1) | |
: | |
(add ? window.attachEvent : window.detachEvent)('onmessage', listener); | |
} | |
} | |
// run control function | |
callPlayer("qcV2OInA7eA", "playVideo"); |
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