h5p/embed.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Render H5P content from an H5P file.
  19  *
  20  * @package    core_h5p
  21  * @copyright  2019 Sara Arjona <sara@moodle.com>
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once(__DIR__ . '/../config.php');
  26
  27 // The login check is done inside the player when getting the file from the url param.
  28
  29 $url = required_param('url', PARAM_LOCALURL);
  30
  31 $config = new stdClass();
  32 $config->frame = optional_param('frame', 0, PARAM_INT);
  33 $config->export = optional_param('export', 0, PARAM_INT);
  34 $config->embed = optional_param('embed', 0, PARAM_INT);
  35 $config->copyright = optional_param('copyright', 0, PARAM_INT);
  36
  37 $preventredirect = optional_param('preventredirect', true, PARAM_BOOL);
  38
  39 $component = optional_param('component', '', PARAM_COMPONENT);
  40
  41 $PAGE->set_url(new \moodle_url('/h5p/embed.php', array('url' => $url)));
  42 try {
  43     $h5pplayer = new \core_h5p\player($url, $config, $preventredirect, $component);
  44     $messages = $h5pplayer->get_messages();
  45
  46 } catch (\Exception $e) {
  47     $messages = (object) [
  48         'exception' => $e->getMessage(),
  49     ];
  50 }
  51
  52 if (empty($messages->error) && empty($messages->exception)) {
  53     // Configure page.
  54     $context = $h5pplayer->get_context();
  55     if ($context instanceof context_module) {
  56         [$course, $cm] = get_course_and_cm_from_cmid($context->instanceid);
  57         $PAGE->set_cm($cm, $course);
  58         $PAGE->activityheader->disable();
  59     } else {
  60         $PAGE->set_context($context);
  61     }
  62
  63     $PAGE->set_title($h5pplayer->get_title());
  64     $PAGE->set_heading($h5pplayer->get_title());
  65
  66     // Embed specific page setup.
  67     $PAGE->add_body_class('h5p-embed');
  68     $PAGE->set_pagelayout('embedded');
  69
  70     // Load the embed.js to allow communication with the parent window.
  71     $PAGE->requires->js(new moodle_url('/h5p/js/embed.js'));
  72
  73     // Add H5P assets to the page.
  74     $h5pplayer->add_assets_to_page();
  75
  76     // Print page HTML.
  77     echo $OUTPUT->header();
  78
  79     // Check if some error has been raised when adding assets to the page. If that's the case, display them above the H5P content.
  80     $messages = $h5pplayer->get_messages();
  81     if (!empty($messages->exception) || !empty($messages->error)) {
  82         $messages->h5picon = new \moodle_url('/h5p/pix/icon.svg');
  83         echo $OUTPUT->render_from_template('core_h5p/h5perror', $messages);
  84     }
  85
  86     // Display the H5P content.
  87     echo $h5pplayer->output();
  88 } else {
  89     // If there is any error or exception when creating the player, it should be displayed.
  90     $PAGE->set_context(context_system::instance());
  91     $title = get_string('h5p', 'core_h5p');
  92     $PAGE->set_title($title);
  93     $PAGE->set_heading($title);
  94
  95     $PAGE->add_body_class('h5p-embed');
  96     $PAGE->set_pagelayout('embedded');
  97
  98     // Load the embed.js to allow communication with the parent window.
  99     $PAGE->requires->js(new moodle_url('/h5p/js/embed.js'));
 100
 101     echo $OUTPUT->header();
 102
 103     // Print all the errors.
 104     $messages->h5picon = new \moodle_url('/h5p/pix/icon.svg');
 105     echo $OUTPUT->render_from_template('core_h5p/h5perror', $messages);
 106 }
 107
 108 echo $OUTPUT->footer();