gnu-social/plugins/GoogleAnalytics/GoogleAnalyticsPlugin.php

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<?php
/**
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* StatusNet, 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
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* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2008 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
*/
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if (!defined('STATUSNET')) {
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
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* Piwik (http://www.piwik.org/) instead!
*
* @category Plugin
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* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
*
* @see Event
*/
class GoogleAnalyticsPlugin extends Plugin
{
const VERSION = '0.2';
function __construct($code=null)
{
if (!empty($code)) {
global $config;
$config['googleanalytics']['code'] = $code;
}
parent::__construct();
}
function onEndShowScripts($action)
{
$code = common_config('googleanalytics', 'code');
$domain = common_config('googleanalytics', 'domain');
$js = <<<ENDOFSCRIPT0
var _gaq = _gaq || [];
_gaq.push(['_setAccount', '{$code}']);
_gaq.push(['_trackPageview']);
ENDOFSCRIPT0;
if (!empty($domain)) {
$js .= <<<ENDOFSCRIPT1
_gaq.push(['_setDomainName', '{$domain}']);
_gaq.push(['_setAllowHash', false]);
ENDOFSCRIPT1;
}
$js .= <<<ENDOFSCRIPT2
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
ENDOFSCRIPT2;
$action->inlineScript($js);
}
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'GoogleAnalytics',
'version' => self::VERSION,
'author' => 'Evan Prodromou',
'homepage' => 'http://status.net/wiki/Plugin:GoogleAnalytics',
'rawdescription' =>
_m('Use <a href="http://www.google.com/analytics/">Google Analytics</a>'.
' to track web access.'));
return true;
}
}