<?php
/**
 * Amazon Auto Links
 *
 * Generates links of Amazon products just coming out today. You just pick categories and they appear even in JavaScript disabled browsers.
 *
 * http://en.michaeluno.jp/amazon-auto-links/
 * Copyright (c) 2013-2018 Michael Uno
 */

/**
 * Loads the iofo-box component.
 *  
 * @package     Amazon Auto Links
 * @since       3.1.0
*/
class AmazonAutoLinks_InfoBoxLoader {
    
    /**
     * Loads necessary components.
     */
    public function __construct() {
        
        $_aTargetPageSlugs = array( // page slugs
            AmazonAutoLinks_Registry::$aAdminPages[ 'main' ],
            AmazonAutoLinks_Registry::$aAdminPages[ 'tool' ],
            AmazonAutoLinks_Registry::$aAdminPages[ 'help' ],
        );
                
        if ( ! $this->_shouldProceed( $_aTargetPageSlugs ) ) {
            return;
        }
            
        new AmazonAutoLinks_AdminPageMetaBox_Information(
            null,                                           // meta box id - passing null will make it auto generate
            __( 'Information', 'amazon-auto-links' ), // title
            $_aTargetPageSlugs,
            'side',                                       // context
            'default'                                     // priority            
        );    
    
    }    
        /**
         * @return      boolean
         */
        private function _shouldProceed( $aTargetPageSlugs ) {
        
            if ( ! is_admin() ) {
                return false;
            }        
        
            if ( ! isset( $_GET[ 'page' ] ) ) {
                return false;
            }
            
            return in_array( $_GET[ 'page' ], $aTargetPageSlugs );
        
        }
    
}