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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Main class for plugin 'media_vimeo'
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*
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* @package media_vimeo
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* @copyright 2016 Marina Glancy
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* Player that embeds Vimeo links.
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*
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* @package media_vimeo
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* @copyright 2016 Marina Glancy
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* @author 2011 The Open University
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class media_vimeo_plugin extends core_media_player_external {
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protected function embed_external(moodle_url $url, $name, $width, $height, $options) {
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global $OUTPUT;
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$donottrack = get_config('media_vimeo', 'donottrack');
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$videoid = $this->get_video_id();
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$info = s($name);
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$params = [];
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// Note: resizing via url is not supported, user can click the fullscreen
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// button instead. iframe embedding is not xhtml strict but it is the only
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// option that seems to work on most devices.
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self::pick_video_size($width, $height);
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// Add do not track parameter.
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if ($donottrack) {
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$params['dnt'] = 1;
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}
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$embedurl = new moodle_url("https://player.vimeo.com/video/$videoid", $params);
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// Template context.
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$context = [
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'width' => $width,
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'height' => $height,
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'title' => $info,
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'embedurl' => $embedurl->out(false),
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];
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// Return the rendered template.
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return $OUTPUT->render_from_template('media_vimeo/embed', $context);
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}
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/**
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* Get Vimeo video ID.
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* @return string
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*/
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protected function get_video_id(): string {
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return $this->get_video_id_with_code() ?? $this->matches[1] ?? '';
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}
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/**
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* Get video id with code.
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* @return string|null If NULL then the URL does not contain the code.
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*/
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protected function get_video_id_with_code(): ?string {
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$id = $this->matches[2] ?? null;
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if (!empty($id)) {
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$code = $this->matches[3] ?? null;
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if (!empty($code)) {
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return "{$id}?h={$code}";
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}
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return $id;
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}
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return null;
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}
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/**
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* Returns regular expression to match vimeo URLs.
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* @return string
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*/
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protected function get_regex() {
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// Initial part of link.
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$start = '~^https?://vimeo\.com/';
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// Middle bit: either 123456789 or 123456789/abdef12345.
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$middle = '(([0-9]+)/([0-9a-f]+)|[0-9]+)';
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return $start . $middle . core_media_player_external::END_LINK_REGEX_PART;
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}
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public function get_embeddable_markers() {
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return array('vimeo.com/');
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}
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/**
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* Default rank
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* @return int
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*/
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public function get_rank() {
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return 1010;
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}
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}
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