PhabricatorRemarkupRuleYoutube.php
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PhabricatorRemarkupRuleYoutube.php
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			<?php

			/*
			* Copyright 2012 Facebook, Inc.
			*
			* Licensed under the Apache License, Version 2.0 (the "License");
			* you may not use this file except in compliance with the License.
			* You may obtain a copy of the License at
			*
			* http://www.apache.org/licenses/LICENSE-2.0
			*
			* Unless required by applicable law or agreed to in writing, software
			* distributed under the License is distributed on an "AS IS" BASIS,
			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
			* See the License for the specific language governing permissions and
			* limitations under the License.
			*/

			/**
			* @group markup
			*/
			final class PhabricatorRemarkupRuleYoutube
			extends PhutilRemarkupRule {

			public function apply($text) {
			$this->uri = new PhutilURI($text);

			if ($this->uri->getDomain() &&
			preg_match('/youtube\.com$/', $this->uri->getDomain())) {
			return $this->markupYoutubeLink();
			}

			return $text;
			}

			public function markupYoutubeLink() {
			$v = idx($this->uri->getQueryParams(), 'v');
			if ($v) {
			$youtube_src = 'https://www.youtube.com/embed/'.$v;
			$iframe =
			'<div class="embedded-youtube-video">'.
			phutil_render_tag(
			'iframe',
			array(
			'width' => '650',
			'height' => '400',
			'style' => 'margin: 1em auto; border: 0px;',
			'src' => $youtube_src,
			'frameborder' => 0,
			),
			'').
			'</div>';
			return $this->getEngine()->storeText($iframe);
			} else {
			return $this->uri;
			}
			}

			}