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+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Plugin for OpenX ad server
+ *
+ * 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 Ads
+ * @package StatusNet
+ * @author Evan Prodromou <evan@status.net>
+ * @copyright 2010 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);
+}
+
+$_OpenXPlugin_Script = <<<ENDOFSCRIPT
+var m3_u = '%s';
+var m3_r = Math.floor(Math.random()*99999999999);
+if (!document.MAX_used) document.MAX_used = ',';
+document.write ("<scr"+"ipt type='text/javascript' src='"+m3_u);
+document.write ("?zoneid=%s");
+document.write ('&amp;cb=' + m3_r);
+if (document.MAX_used != ',') document.write ("&amp;exclude=" + document.MAX_used);
+document.write (document.charset ? '&amp;charset='+document.charset : (document.characterSet ? '&amp;charset='+document.characterSet : ''));
+document.write ("&amp;loc=" + escape(window.location));
+if (document.referrer) document.write ("&amp;referer=" + escape(document.referrer));
+if (document.context) document.write ("&context=" + escape(document.context));
+if (document.mmm_fo) document.write ("&amp;mmm_fo=1");
+document.write ("'><\/scr"+"ipt>");
+ENDOFSCRIPT;
+
+/**
+ * Plugin for OpenX Ad Server
+ *
+ * This plugin supports the OpenX ad server, http://www.openx.org/
+ *
+ * We support the 4 ad sizes for the Universal Ad Platform (UAP):
+ *
+ * Medium Rectangle
+ * (Small) Rectangle
+ * Leaderboard
+ * Wide Skyscraper
+ *
+ * They fit in different places on the default theme. Some themes
+ * might interact quite poorly with this plugin.
+ *
+ * To enable advertising, you will need an OpenX server. You'll need
+ * to set up a "zone" for your StatusNet site that identifies a
+ * kind of ad you want to place (of the above 4 sizes).
+ *
+ * Add the plugin to config.php like so:
+ *
+ * addPlugin('OpenX', array('adScript' => 'full path to script',
+ * 'rectangle' => 1));
+ *
+ * Here, the 'adScript' parameter is the full path to the OpenX
+ * ad script, like 'http://example.com/www/delivery/ajs.php'. Note
+ * that we don't do any magic to swap between HTTP and HTTPS, so
+ * if you want HTTPS, say so.
+ *
+ * The 'rectangle' parameter is the zone ID for that ad space on
+ * your site. If you've configured another size, try 'mediumRectangle',
+ * 'leaderboard', or 'wideSkyscraper'.
+ *
+ * If for some reason your ad server is different from the default,
+ * use the 'adScript' parameter to set the full path to the ad script.
+ *
+ * @category Ads
+ * @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/
+ *
+ * @seeAlso UAPPlugin
+ */
+
+class OpenXPlugin extends UAPPlugin
+{
+ public $adScript = null;
+
+ /**
+ * Show a medium rectangle 'ad'
+ *
+ * @param Action $action Action being shown
+ *
+ * @return void
+ */
+
+ protected function showMediumRectangle($action)
+ {
+ $this->showAd($action, $this->mediumRectangle);
+ }
+
+ /**
+ * Show a rectangle 'ad'
+ *
+ * @param Action $action Action being shown
+ *
+ * @return void
+ */
+
+ protected function showRectangle($action)
+ {
+ $this->showAd($action, $this->rectangle);
+ }
+
+ /**
+ * Show a wide skyscraper ad
+ *
+ * @param Action $action Action being shown
+ *
+ * @return void
+ */
+
+ protected function showWideSkyscraper($action)
+ {
+ $this->showAd($action, $this->wideSkyscraper);
+ }
+
+ /**
+ * Show a leaderboard ad
+ *
+ * @param Action $action Action being shown
+ *
+ * @return void
+ */
+
+ protected function showLeaderboard($action)
+ {
+ $this->showAd($action, $this->leaderboard);
+ }
+
+ /**
+ * Show an ad using OpenX
+ *
+ * @param integer $zone Zone to show
+ *
+ * @return void
+ */
+
+ protected function showAd($zone)
+ {
+ global $_OpenXPlugin_Script;
+
+ $this->inlineScript(sprintf($_OpenXPlugin_Script, $this->adScript, $zone));
+ return true;
+ }
+} \ No newline at end of file