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+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Plugin to use Piwik 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>
+ * @author Tobias Diekershoff <tobias.diekershoff@gmx.net>
+ * @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 Piwik Analytics (based on the Google Analytics plugin by Evan)
+ *
+ * This plugin will spoot out the correct JavaScript spell to invoke
+ * Piwik Analytics on a page.
+ *
+ * To use this plugin please add the following three lines to your config.php
+ *
+ * require_once('plugins/PiwikAnalyticsPlugin.php');
+ * $pa = new PiwikAnalyticsPlugin("example.com/piwik/","id");
+ *
+ * exchange example.com/piwik/ with the url to your piwik installation and
+ * make sure you don't forget the final /
+ * exchange id with the ID your laconica installation has in your Piwik analytics
+ *
+ * @category Plugin
+ * @package Laconica
+ * @author Tobias Diekershoff <tobias.diekershoff@gmx.net>
+ * @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 PiwikAnalyticsPlugin extends Plugin
+{
+ /** the base of your Piwik installation */
+ var $piwikroot = null;
+ /** the Piwik Id of your laconica installation */
+ var $piwikId = null;
+
+ /**
+ * constructor
+ *
+ * @param string $root Piwik root URL
+ * @param string $id Piwik ID of this app
+ */
+
+ function __construct($root=null, $id=null)
+ {
+ $this->piwikroot = $root;
+ $this->piwikid = $id;
+ parent::__construct();
+ }
+
+ /**
+ * Called when all scripts have been shown
+ *
+ * @param Action $action Current action
+ *
+ * @return boolean ignored
+ */
+
+ function onEndShowScripts($action)
+ {
+ $js1 = 'var pkBaseURL = (("https:" == document.location.protocol) ? "https://'.
+ $this->piwikroot.'" : "http://'.$this->piwikroot.
+ '"); document.write(unescape("%3Cscript src=\'" + pkBaseURL + "piwik.js\''.
+ ' type=\'text/javascript\'%3E%3C/script%3E"));';
+ $js2 = 'piwik_action_name = ""; piwik_idsite = '.$this->piwikid.
+ '; piwik_url = pkBaseURL + "piwik.php"; piwik_log(piwik_action_name, piwik_idsite, piwik_url);';
+ $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');
+ return true;
+ }
+} \ No newline at end of file