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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Plugin to do "real time" updates using Comet/Bayeux
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/plugins/Realtime/RealtimePlugin.php';
/**
* Plugin to do realtime updates using Comet
*
* @category Plugin
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class CometPlugin extends RealtimePlugin
{
public $server = null;
public $username = null;
public $password = null;
public $prefix = null;
protected $bay = null;
function __construct($server=null, $username=null, $password=null, $prefix=null)
{
$this->server = $server;
$this->username = $username;
$this->password = $password;
$this->prefix = $prefix;
parent::__construct();
}
function _getScripts()
{
$scripts = parent::_getScripts();
$ours = array('jquery.comet.js', 'cometupdate.js');
foreach ($ours as $script) {
$scripts[] = common_path('plugins/Comet/'.$script);
}
return $scripts;
}
function _updateInitialize($timeline, $user_id)
{
$script = parent::_updateInitialize($timeline, $user_id);
return $script." CometUpdate.init(\"$this->server\", \"$timeline\", $user_id, \"$this->replyurl\", \"$this->favorurl\", \"$this->deleteurl\");";
}
function _connect()
{
require_once INSTALLDIR.'/plugins/Comet/bayeux.class.inc.php';
// Bayeux? Comet? Huh? These terms confuse me
$this->bay = new Bayeux($this->server, $this->user, $this->password);
}
function _publish($timeline, $json)
{
$this->bay->publish($timeline, $json);
}
function _disconnect()
{
unset($this->bay);
}
function _pathToChannel($path)
{
if (!empty($this->prefix)) {
array_unshift($path, $this->prefix);
}
return '/' . implode('/', $path);
}
}
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