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+<?php
+/**
+ * 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
+ * @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
+ * @link http://status.net/
+ */
+
+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
+ * Piwik (http://www.piwik.org/) instead!
+ *
+ * @category Plugin
+ * @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
+ * @link http://status.net/
+ *
+ * @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);
+ $action->inlineScript($js1);
+ $action->inlineScript($js2);
+ }
+
+ function onPluginVersion(&$versions)
+ {
+ $versions[] = array('name' => 'GoogleAnalytics',
+ 'version' => STATUSNET_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;
+ }
+}