buzzerstar - static - core - Notification - SOURCE CODE

<?php
/**
 * Piwik - free/libre analytics platform
 *
 * @link http://piwik.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */
namespace Piwik\Notification;

use Piwik\Notification;
use Piwik\Session;
use Piwik\Session\SessionNamespace;

/**
 * Posts and removes UI notifications (see {@link Piwik\Notification} to learn more).
 *
 */
class Manager
{
    /**
     * @var SessionNamespace
     */
    private static $session = null;

    /**
     * @var Notification[]
     */
    private static $notifications = array();

    /**
     * Posts a notification that will be shown in Piwik's status bar. If a notification with the same ID
     * has been posted and has not been closed/removed, it will be replaced with `$notification`.
     *
     * @param string       $id   A unique identifier for this notification. The ID must be a valid HTML
     *                           element ID. It can only contain alphanumeric characters (underscores can
     *                           be used).
     * @param Notification $notification The notification to post.
     * @api
     */
    public static function notify($id, Notification $notification)
    {
        self::checkId($id);

        self::removeOldestNotificationsIfThereAreTooMany();
        self::addNotification($id, $notification);
    }

    /**
     * Removes a posted notification by ID.

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