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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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                 * Mobile output class for bigbluebuttonbn  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package    mod_bigbluebuttonbn  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright  2018 onwards, Blindside Networks Inc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author     Jesus Federico  (jesus [at] blindsidenetworks [dt] com)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace mod_bigbluebuttonbn\output;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                defined('MOODLE_INTERNAL') || die(); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use context_module;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use mod_bigbluebuttonbn_external;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                require_once($CFG->dirroot . '/mod/bigbluebuttonbn/locallib.php');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Mobile output class for bigbluebuttonbn  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package    mod_bigbluebuttonbn  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright  2018 onwards, Blindside Networks Inc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author     Jesus Federico  (jesus [at] blindsidenetworks [dt] com)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class mobile { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Returns the bigbluebuttonbn course view for the mobile app.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param $args  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array HTML, javascript and other data.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws \coding_exception  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws \moodle_exception  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws \require_login_exception  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws \required_capability_exception  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function mobile_course_view($args) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        global $OUTPUT, $SESSION, $CFG;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $args = (object) $args;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $viewinstance = bigbluebuttonbn_view_validator($args->cmid, null);  | 
            
                            
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                        if (!$viewinstance) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $error = get_string('view_error_url_missing_parameters', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return(self::mobile_print_error($error));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $cm = $viewinstance['cm'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $course = $viewinstance['course'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $bigbluebuttonbn = $viewinstance['bigbluebuttonbn'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $context = context_module::instance($cm->id);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_login($course->id, false , $cm, true, true);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        require_capability('mod/bigbluebuttonbn:join', $context); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // Add view event.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['view'], $bigbluebuttonbn);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // Create array bbbsession with configuration for BBB server.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $bbbsession['course'] = $course;  | 
            
                            
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                        $bbbsession['coursename'] = $course->fullname;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $bbbsession['cm'] = $cm;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $bbbsession['bigbluebuttonbn'] = $bigbluebuttonbn;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $bbbsession = \mod_bigbluebuttonbn\locallib\mobileview::bigbluebuttonbn_view_bbbsession_set($context, $bbbsession);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // Check activity status.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $activitystatus = \mod_bigbluebuttonbn\locallib\mobileview::bigbluebuttonbn_view_get_activity_status($bbbsession);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($activitystatus == 'not_started') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $message = get_string('view_message_conference_not_started', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $notstarted = array();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $notstarted['starts_at'] = '';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $notstarted['ends_at'] = '';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (!empty($bigbluebuttonbn->openingtime)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $notstarted['starts_at'] = sprintf(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    '%s: %s',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    get_string('mod_form_field_openingtime', 'bigbluebuttonbn'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    userdate($bigbluebuttonbn->openingtime)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (!empty($bigbluebuttonbn->closingtime)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $notstarted['ends_at'] = sprintf(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    '%s: %s',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    get_string('mod_form_field_closingtime', 'bigbluebuttonbn'), | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    userdate($bigbluebuttonbn->closingtime)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return(self::mobile_print_notification($bigbluebuttonbn, $cm, $message, $notstarted));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($activitystatus == 'ended') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $message = get_string('view_message_conference_has_ended', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return(self::mobile_print_notification($bigbluebuttonbn, $cm, $message));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // Check if the BBB server is working.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $serverversion = bigbluebuttonbn_get_server_version();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $bbbsession['serverversion'] = (string) $serverversion;  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                        if (is_null($serverversion)) { | 
            
                            
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                            if ($bbbsession['administrator']) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $error = get_string('view_error_unable_join', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            } else if ($bbbsession['moderator']) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $error = get_string('view_error_unable_join_teacher', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $error = get_string('view_error_unable_join_student', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return(self::mobile_print_error($error));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    127
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    128
                 | 
                                    
                                                     | 
                
                 | 
                        // Mark viewed by user (if required).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    129
                 | 
                                    
                                                     | 
                
                 | 
                        $completion = new \completion_info($course);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    130
                 | 
                                    
                                                     | 
                
                 | 
                        $completion->set_module_viewed($cm);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                        // Validate if the user is in a role allowed to join.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                        if (!has_capability('moodle/category:manage', $context) && | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                            !has_capability('mod/bigbluebuttonbn:join', $context)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                            $error = get_string('view_nojoin', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                            return(self::mobile_print_error($error));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                        // Operation URLs.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                        $bbbsession['bigbluebuttonbnURL'] = $CFG->wwwroot . '/mod/bigbluebuttonbn/view.php?id=' . $bbbsession['cm']->id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                        $bbbsession['logoutURL'] = $CFG->wwwroot . '/mod/bigbluebuttonbn/bbb_view.php?action=logout&id='.$args->cmid .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                            '&bn=' . $bbbsession['bigbluebuttonbn']->id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                        $bbbsession['recordingReadyURL'] = $CFG->wwwroot . '/mod/bigbluebuttonbn/bbb_broker.php?action=recording_' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                            'ready&bigbluebuttonbn=' . $bbbsession['bigbluebuttonbn']->id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                        $bbbsession['meetingEventsURL'] = $CFG->wwwroot . '/mod/bigbluebuttonbn/bbb_broker.php?action=meeting' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                            '_events&bigbluebuttonbn=' . $bbbsession['bigbluebuttonbn']->id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                        $bbbsession['joinURL'] = $CFG->wwwroot . '/mod/bigbluebuttonbn/bbb_view.php?action=join&id=' . $args->cmid .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                            '&bn=' . $bbbsession['bigbluebuttonbn']->id;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                        // Initialize session variable used across views.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                        $SESSION->bigbluebuttonbn_bbbsession = $bbbsession;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                        // Logic of bbb_view for join to session.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                        // If user is not administrator nor moderator (user is student) and waiting is required.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                        if (!$bbbsession['administrator'] && !$bbbsession['moderator'] && $bbbsession['wait']) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                            $message = get_string('view_message_conference_wait_for_moderator', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                            return(self::mobile_print_notification($bigbluebuttonbn, $cm, $message));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                        // See if the BBB session is already in progress.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                        if (!bigbluebuttonbn_is_meeting_running($bbbsession['meetingid'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                            // The meeting doesnt exist in BBB server, must be created.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                            $response = bigbluebuttonbn_get_create_meeting_array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                                \mod_bigbluebuttonbn\locallib\mobileview::bigbluebutton_bbb_view_create_meeting_data($bbbsession),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                                \mod_bigbluebuttonbn\locallib\mobileview::bigbluebutton_bbb_view_create_meeting_metadata($bbbsession),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                                $bbbsession['presentation']['name'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                                $bbbsession['presentation']['url']  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                            );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                            if (empty($response)) { | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                                // The BBB server is failing.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                                if ($bbbsession['administrator']) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                                    $e = get_string('view_error_unable_join', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                                } else if ($bbbsession['moderator']) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                                    $e = get_string('view_error_unable_join_teacher', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                                                     | 
                
                 | 
                                } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                                                     | 
                
                 | 
                                    $e = get_string('view_error_unable_join_student', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                                                     | 
                
                 | 
                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
                                                     | 
                
                 | 
                                return(self::mobile_print_error($e));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    182
                 | 
                                    
                                                     | 
                
                 | 
                            if ($response['returncode'] == 'FAILED') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    183
                 | 
                                    
                                                     | 
                
                 | 
                                // The meeting could not be created.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    184
                 | 
                                    
                                                     | 
                
                 | 
                                $errorkey = bigbluebuttonbn_get_error_key($response['messageKey'],  'view_error_create');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    185
                 | 
                                    
                                                     | 
                
                 | 
                                $e = get_string($errorkey, 'bigbluebuttonbn');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                                return(self::mobile_print_error($e));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                            if ($response['hasBeenForciblyEnded'] == 'true') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    189
                 | 
                                    
                                                     | 
                
                 | 
                                $e = get_string('index_error_forciblyended', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    190
                 | 
                                    
                                                     | 
                
                 | 
                                return(self::mobile_print_error($e));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    191
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    192
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    193
                 | 
                                    
                                                     | 
                
                 | 
                            // Event meeting created.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    194
                 | 
                                    
                                                     | 
                
                 | 
                            bigbluebuttonbn_event_log(\mod_bigbluebuttonbn\event\events::$events['meeting_create'], $bigbluebuttonbn);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    195
                 | 
                                    
                                                     | 
                
                 | 
                            // Insert a record that meeting was created.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    196
                 | 
                                    
                                                     | 
                
                 | 
                            $overrides = array('meetingid' => $bbbsession['meetingid']); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    197
                 | 
                                    
                                                     | 
                
                 | 
                            $meta = '{"record":'.($bbbsession['record'] ? 'true' : 'false').'}'; | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    198
                 | 
                                    
                                                     | 
                
                 | 
                            bigbluebuttonbn_log($bbbsession['bigbluebuttonbn'], BIGBLUEBUTTONBN_LOG_EVENT_CREATE, $overrides, $meta);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    199
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    200
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    201
                 | 
                                    
                                                     | 
                
                 | 
                        // It is part of 'bigbluebutton_bbb_view_join_meeting' in bbb_view.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    202
                 | 
                                    
                                                     | 
                
                 | 
                        // Update the cache.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    203
                 | 
                                    
                                                     | 
                
                 | 
                        $meetinginfo = bigbluebuttonbn_get_meeting_info($bbbsession['meetingid'], BIGBLUEBUTTONBN_UPDATE_CACHE);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    204
                 | 
                                    
                                                     | 
                
                 | 
                        if ($bbbsession['userlimit'] > 0 && intval($meetinginfo['participantCount']) >= $bbbsession['userlimit']) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    205
                 | 
                                    
                                                     | 
                
                 | 
                            // No more users allowed to join.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    206
                 | 
                                    
                                                     | 
                
                 | 
                            $message = get_string('view_error_userlimit_reached', 'bigbluebuttonbn'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    207
                 | 
                                    
                                                     | 
                
                 | 
                            return(self::mobile_print_notification($bigbluebuttonbn, $cm, $message));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    208
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    209
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    210
                 | 
                                    
                                                     | 
                
                 | 
                        // Build final url to BBB.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    211
                 | 
                                    
                                                     | 
                
                 | 
                        $urltojoin = \mod_bigbluebuttonbn\locallib\mobileview::build_url_join_session($bbbsession);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    212
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    213
                 | 
                                    
                                                     | 
                
                 | 
                        $data = array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    214
                 | 
                                    
                                                     | 
                
                 | 
                            'bigbluebuttonbn' => $bigbluebuttonbn,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    215
                 | 
                                    
                                                     | 
                
                 | 
                            'bbbsession' => (object) $bbbsession,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    216
                 | 
                                    
                                                     | 
                
                 | 
                            'urltojoin' => $urltojoin,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    217
                 | 
                                    
                                                     | 
                
                 | 
                            'cmid' => $cm->id,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    218
                 | 
                                    
                                                     | 
                
                 | 
                            'courseid' => $args->courseid  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    219
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    220
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    221
                 | 
                                    
                                                     | 
                
                 | 
                        return array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    222
                 | 
                                    
                                                     | 
                
                 | 
                            'templates' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    223
                 | 
                                    
                                                     | 
                
                 | 
                                array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    224
                 | 
                                    
                                                     | 
                
                 | 
                                    'id' => 'main',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    225
                 | 
                                    
                                                     | 
                
                 | 
                                    'html' => $OUTPUT->render_from_template('mod_bigbluebuttonbn/mobile_view_page', $data), | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    226
                 | 
                                    
                                                     | 
                
                 | 
                                ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    227
                 | 
                                    
                                                     | 
                
                 | 
                            ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    228
                 | 
                                    
                                                     | 
                
                 | 
                            'javascript' => '',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    229
                 | 
                                    
                                                     | 
                
                 | 
                            'otherdata' => '',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    230
                 | 
                                    
                                                     | 
                
                 | 
                            'files' => ''  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    231
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    232
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    233
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    234
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    235
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the view for errors.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    236
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string $error Error to display.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    237
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    238
                 | 
                                    
                                                     | 
                
                 | 
                     * @return array       HTML, javascript and otherdata  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    239
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    240
                 | 
                                    
                                                     | 
                
                 | 
                    protected static function mobile_print_error($error) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    241
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    242
                 | 
                                    
                                                     | 
                
                 | 
                        global $OUTPUT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    243
                 | 
                                    
                                                     | 
                
                 | 
                        $data = array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    244
                 | 
                                    
                                                     | 
                
                 | 
                            'error' => $error  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    245
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    246
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    247
                 | 
                                    
                                                     | 
                
                 | 
                        return array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    248
                 | 
                                    
                                                     | 
                
                 | 
                            'templates' => array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    249
                 | 
                                    
                                                     | 
                
                 | 
                                array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    250
                 | 
                                    
                                                     | 
                
                 | 
                                    'id' => 'main',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    251
                 | 
                                    
                                                     | 
                
                 | 
                                    'html' => $OUTPUT->render_from_template('mod_bigbluebuttonbn/mobile_view_error', $data), | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    252
                 | 
                                    
                                                     | 
                
                 | 
                                ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    253
                 | 
                                    
                                                     | 
                
                 | 
                            ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    254
                 | 
                                    
                                                     | 
                
                 | 
                            'javascript' => '',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    255
                 | 
                                    
                                                     | 
                
                 | 
                            'otherdata' => '',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    256
                 | 
                                    
                                                     | 
                
                 | 
                            'files' => ''  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    257
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    258
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    259
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    260
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    261
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the view for messages.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    262
                 | 
                                    
                                                     | 
                
                 | 
                     * @param $bigbluebuttonbn  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    263
                 | 
                                    
                                                     | 
                
                 | 
                     * @param $cm  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    264
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  string $message Message to display.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    265
                 | 
                                    
                                                     | 
                
                 | 
                     * @param  array $notstarted Extra messages for not started session.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    266
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    267
                 | 
                                    
                                                     | 
                
                 | 
                     * @return array       HTML, javascript and otherdata  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    268
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                        
            
                                    
            
            
                | 
                    269
                 | 
                                    
                                                     | 
                
                 | 
                    protected static function mobile_print_notification($bigbluebuttonbn, $cm, $message, $notstarted = array()) { | 
            
            
                                                        
            
                                    
            
            
                | 
                    270
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    271
                 | 
                                    
                                                     | 
                
                 | 
                        global $OUTPUT;  | 
            
            
                                                        
            
                                    
            
            
                | 
                    272
                 | 
                                    
                                                     | 
                
                 | 
                        $data = array(  | 
            
            
                                                        
            
                                    
            
            
                | 
                    273
                 | 
                                    
                                                     | 
                
                 | 
                            'bigbluebuttonbn' => $bigbluebuttonbn,  | 
            
            
                                                        
            
                                    
            
            
                | 
                    274
                 | 
                                    
                                                     | 
                
                 | 
                            'cmid' => $cm->id,  | 
            
            
                                                        
            
                                    
            
            
                | 
                    275
                 | 
                                    
                                                     | 
                
                 | 
                            'message' => $message,  | 
            
            
                                                        
            
                                    
            
            
                | 
                    276
                 | 
                                    
                                                     | 
                
                 | 
                            'not_started' => $notstarted  | 
            
            
                                                        
            
                                    
            
            
                | 
                    277
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                        
            
                                    
            
            
                | 
                    278
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                        
            
                                    
            
            
                | 
                    279
                 | 
                                    
                                                     | 
                
                 | 
                        return array(  | 
            
            
                                                        
            
                                    
            
            
                | 
                    280
                 | 
                                    
                                                     | 
                
                 | 
                            'templates' => array(  | 
            
            
                                                        
            
                                    
            
            
                | 
                    281
                 | 
                                    
                                                     | 
                
                 | 
                                array(  | 
            
            
                                                        
            
                                    
            
            
                | 
                    282
                 | 
                                    
                                                     | 
                
                 | 
                                    'id' => 'main',  | 
            
            
                                                        
            
                                    
            
            
                | 
                    283
                 | 
                                    
                                                     | 
                
                 | 
                                    'html' => $OUTPUT->render_from_template('mod_bigbluebuttonbn/mobile_view_notification', $data), | 
            
            
                                                        
            
                                    
            
            
                | 
                    284
                 | 
                                    
                                                     | 
                
                 | 
                                ),  | 
            
            
                                                        
            
                                    
            
            
                | 
                    285
                 | 
                                    
                                                     | 
                
                 | 
                            ),  | 
            
            
                                                        
            
                                    
            
            
                | 
                    286
                 | 
                                    
                                                     | 
                
                 | 
                            'javascript' => '',  | 
            
            
                                                        
            
                                    
            
            
                | 
                    287
                 | 
                                    
                                                     | 
                
                 | 
                            'otherdata' => '',  | 
            
            
                                                        
            
                                    
            
            
                | 
                    288
                 | 
                                    
                                                     | 
                
                 | 
                            'files' => ''  | 
            
            
                                                        
            
                                    
            
            
                | 
                    289
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                        
            
                                    
            
            
                | 
                    290
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    291
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    292
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: