vichan/js/youtube.js

/*
* youtube
* https://github.com/savetheinternet/Tinyboard/blob/master/js/youtube.js
*
* Don't load the YouTube player unless the video image is clicked.
* This increases performance issues when many videos are embedded on the same page.
* Currently only compatiable with YouTube.
*
* Proof of concept.
*
* Released under the MIT license
* Copyright (c) 2013 Michael Save <savetheinternet@tinyboard.org>
* Copyright (c) 2013-2014 Marcin Łabanowski <marcin@6irc.net>
*
* Usage:
*	$config['embedding'] = array();
*	$config['embedding'][0] = array(
*		'/^https?:\/\/(\w+\.)?(?:youtube\.com\/watch\?v=|youtu\.be\/)([a-zA-Z0-9\-_]{10,11})(&.+)?$/i',
*		$config['youtube_js_html']);
*   $config['additional_javascript'][] = 'js/jquery.min.js';
*   $config['additional_javascript'][] = 'js/youtube.js';
*
*/

onReady(function() {
	const ON = "[Remove]";
	const OFF = "[Embed]";

	function addEmbedButton(index, videoNode) {
		videoNode = $(videoNode);
		let contents = videoNode.contents();
		let videoId = videoNode.data('video');
		let span = $("<span>[Embed]</span>");
		let embedNode = $('<iframe style="float:left;padding: 0 20px 0 0;margin: 0.2em 0.2em 0.8em 0.2em" type="text/html" '+
				'width="360" height="270" src="//www.youtube.com/embed/' + videoId +
				'?autoplay=1&html5=1" allowfullscreen frameborder="0"/>');
		span.click(function() {
			if (span.text() == ON){
				videoNode.append(contents);
				embedNode.remove();
				span.text(OFF);
			} else {
				contents.detach();
				videoNode.append(embedNode);
				span.text(ON);
			}
		});

		videoNode.append(span);
	}

	$('div.video-container', document).each(addEmbedButton);

	// allow to work with auto-reload.js, etc.
	$(document).on('new_post', function(e, post) {
		$('div.video-container', post).each(addEmbedButton);
	});
});