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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Plugin for Google Adsense
*
* 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);
}
/**
* Plugin to add Google Adsense to StatusNet sites
*
* This plugin lets you add Adsense ad units to your StatusNet site.
*
* 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 must sign up with Google Adsense and
* get a client ID.
*
* https://www.google.com/adsense/
*
* You'll also need to create an Adsense for Content unit in one
* of the four sizes described above. At the end of the process,
* note the "google_ad_client" and "google_ad_slot" values in the
* resultant Javascript.
*
* Add the plugin to config.php like so:
*
* addPlugin('Adsense', array('client' => 'Your client ID',
* 'rectangle' => 'slot'));
*
* Here, your client ID is the value of google_ad_client and the
* slot is the value of google_ad_slot. Note that if you create
* a different size, you'll need to provide different arguments:
* '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 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/
*
* @seeAlso UAPPlugin
*/
class AdsensePlugin extends UAPPlugin
{
public $adScript = 'http://pagead2.googlesyndication.com/pagead/show_ads.js';
public $client = null;
/**
* Show a medium rectangle 'ad'
*
* @param Action $action Action being shown
*
* @return void
*/
protected function showMediumRectangle($action)
{
$this->showAdsenseCode($action, 300, 250, $this->mediumRectangle);
}
/**
* Show a rectangle 'ad'
*
* @param Action $action Action being shown
*
* @return void
*/
protected function showRectangle($action)
{
$this->showAdsenseCode($action, 180, 150, $this->rectangle);
}
/**
* Show a wide skyscraper ad
*
* @param Action $action Action being shown
*
* @return void
*/
protected function showWideSkyscraper($action)
{
$this->showAdsenseCode($action, 160, 600, $this->wideSkyscraper);
}
/**
* Show a leaderboard ad
*
* @param Action $action Action being shown
*
* @return void
*/
protected function showLeaderboard($action)
{
$this->showAdsenseCode($action, 728, 90, $this->leaderboard);
}
/**
* Output the bits of JavaScript code to show Adsense
*
* @param Action $action Action being shown
* @param integer $width Width of the block
* @param integer $height Height of the block
* @param string $slot Slot identifier
*
* @return void
*/
protected function showAdsenseCode($action, $width, $height, $slot)
{
$code = 'google_ad_client = "'.$this->client.'"; ';
$code .= 'google_ad_slot = "'.$slot.'"; ';
$code .= 'google_ad_width = "'.$width.'"; ';
$code .= 'google_ad_height = "'.$height.'"; ';
$action->inlineScript($code);
$action->script($this->adScript);
}
}
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