Sample plugin for Google Analytics

A common request is to use Google Analytics for Laconica servers. This
plugin will add the correct spell to make Google Analytics work.
This commit is contained in:
Evan Prodromou 2009-02-09 09:14:44 -05:00
parent ee4ee388ff
commit 2e518c9d5e

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<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Plugin to use Google Analytics
*
* 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 2008 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);
}
/**
* Plugin to use Google Analytics
*
* This plugin will spoot out the correct JavaScript spell to invoke Google Analytics on a page.
*
* Note that Google Analytics is not compatible with the Franklin Street Statement; consider using
* Pikiw (http://www.pikiw.org/) instead!
*
* @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/
*
* @see Event
*/
class GoogleAnalyticsPlugin extends Plugin
{
var $code = null;
function __construct($code=null)
{
$this->code = $code;
parent::__construct();
}
function onEndShowScripts($action)
{
$js1 = 'var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");'.
'document.write(unescape("%3Cscript src=\'" + gaJsHost + "google-analytics.com/ga.js\' type=\'text/javascript\'%3E%3C/script%3E"));';
$js2 = sprintf('try{'.
'var pageTracker = _gat._getTracker("%s");'.
'pageTracker._trackPageview();'.
'} catch(err) {}',
$this->code);
$action->elementStart('script', array('type' => 'text/javascript'));
$action->raw($js1);
$action->elementEnd('script');
$action->elementStart('script', array('type' => 'text/javascript'));
$action->raw($js2);
$action->elementEnd('script');
}
}