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<?php

class WP_Upgrader_Skin
{
    public $upgrader;
    public $done_header = false;
    public $done_footer = false;
    public $result = false;
    public $options = array();
    public function __construct($args = array())
    {
        $defaults = array('url' => '', 'nonce' => '', 'title' => '', 'context' => false);
        $this->options = wp_parse_args($args, $defaults);
    }
    public function set_upgrader(&$upgrader)
    {
        if (is_object($upgrader)) {
            $this->upgrader =& $upgrader;
        }
        $this->add_strings();
    }
    public function add_strings()
    {
    }
    public function set_result($result)
    {
        $this->result = $result;
    }
    public function request_filesystem_credentials($error = false, $context = '', $allow_relaxed_file_ownership = false)
    {
        $url = $this->options['url'];
        if (!$context) {
            $context = $this->options['context'];
        }
        if (!empty($this->options['nonce'])) {
            $url = wp_nonce_url($url, $this->options['nonce']);
        }
        $extra_fields = array();
        return request_filesystem_credentials($url, '', $error, $context, $extra_fields, $allow_relaxed_file_ownership);
    }
    public function header()
    {
        if ($this->done_header) {
            return;
        }
        $this->done_header = true;
        echo '<div class="wrap">';
        echo '<h1>' . $this->options['title'] . '</h1>';
    }
    public function footer()
    {
        if ($this->done_footer) {
            return;
        }
        $this->done_footer = true;
        echo '</div>';
    }
    public function error($errors)
    {
        if (!$this->done_header) {
            $this->header();
        }
        if (is_string($errors)) {
            $this->feedback($errors);
        } elseif (is_wp_error($errors) && $errors->has_errors()) {
            foreach ($errors->get_error_messages() as $message) {
                if ($errors->get_error_data() && is_string($errors->get_error_data())) {
                    $this->feedback($message . ' ' . esc_html(strip_tags($errors->get_error_data())));
                } else {
                    $this->feedback($message);
                }
            }
        }
    }
    public function feedback($string, ...$args)
    {
        if (isset($this->upgrader->strings[$string])) {
            $string = $this->upgrader->strings[$string];
        }
        if (strpos($string, '%') !== false) {
            if ($args) {
                $args = array_map('strip_tags', $args);
                $args = array_map('esc_html', $args);
                $string = vsprintf($string, $args);
            }
        }
        if (empty($string)) {
            return;
        }
        show_message($string);
    }
    public function before()
    {
    }
    public function after()
    {
    }
    protected function decrement_update_count($type)
    {
        if (!$this->result || is_wp_error($this->result) || 'up_to_date' === $this->result) {
            return;
        }
        if (defined('IFRAME_REQUEST')) {
            echo '<script type="text/javascript">
					if ( window.postMessage && JSON ) {
						window.parent.postMessage( JSON.stringify( { action: "decrementUpdateCount", upgradeType: "' . $type . '" } ), window.location.protocol + "//" + window.location.hostname );
					}
				</script>';
        } else {
            echo '<script type="text/javascript">
					(function( wp ) {
						if ( wp && wp.updates && wp.updates.decrementCount ) {
							wp.updates.decrementCount( "' . $type . '" );
						}
					})( window.wp );
				</script>';
        }
    }
    public function bulk_header()
    {
    }
    public function bulk_footer()
    {
    }
    public function hide_process_failed($wp_error)
    {
        return false;
    }
}