class.ilChatMessageNotifyGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2008 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/


class ilChatMessageNotifyGUI
{
        private $tpl;
        private $lng;
        
        public function __construct()
        {
                global $tpl, $lng;
                
                $this->tpl = $tpl;
                $this->lng = $lng;
                
                $this->lng->loadLanguageModule('chat');
        }
        
        public function getHTML()       
        {
                global $ilUser, $ilObjDataCache, $ilAccess, $ilSetting, $rbacsystem;
                
                include_once 'Modules/Chat/classes/class.ilChatServerCommunicator.php';
                
                $chatinfo = ilChatServerCommunicator::_lookupUser($ilUser->getId());
                $last_message_info = false;
        
                if ($chatinfo !== false)
                {
                        $last_msg_info = ilChatServerCommunicator::_getTailMessages($chatinfo->chatId, $chatinfo->roomId, time() - 60 * 60);
                        if ($last_msg_info == false)
                        {
                                return "";
                        }
                        else if ($_SESSION["il_notify_last_msg_checksum"] == $last_msg_info->entryId )
                        {
                                return "";
                        }
                }
                else
                {
                        return "";
                }
                $last_msg = $last_msg_info->message;

                $_SESSION["il_notify_last_msg_checksum"] = $last_msg_info->entryId;
                
                $this->tpl->addJavascript('./Modules/Chat/js/ChatMessagesMainMenu.js');
                $tpl = new ilTemplate('tpl.chat_messages_navigation.html', true, true,'Modules/Chat');                          
                if((int)$ilSetting->get('chat_sound_status') && (int)$ilUser->getPref('chat_new_message_sound_status'))
                {
                        $tpl->setCurrentBlock('beep');
                        $tpl->setVariable('BEEP_SRC', './Modules/Chat/sounds/receive.mp3');
                        $tpl->parseCurrentBlock();
                }

                include_once 'Modules/Chat/classes/class.ilChatServerCommunicator.php';

                $tpl->setVariable("CHAT_RECENT_POSTINGS", $this->lng->txt("chat_recent_postings"));
                $tpl->setCurrentBlock('msg_item');
                $tpl->setVariable("TXT_MSG", $last_msg);
                $tpl->setVariable("TXT_ROOM", $chatinfo->chatTitle);
                $tpl->parseCurrentBlock();

                return $tpl->get();
        }
}
?>