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<?php

class Bulk_Upgrader_Skin extends WP_Upgrader_Skin
{
    public $in_loop = false;
    public $error = false;
    public function __construct($args = array())
    {
        $defaults = array('url' => '', 'nonce' => '');
        $args = wp_parse_args($args, $defaults);
        parent::__construct($args);
    }
    public function add_strings()
    {
        $this->upgrader->strings['skin_upgrade_start'] = __('The update process is starting. This process may take a while on some hosts, so please be patient.');
        $this->upgrader->strings['skin_update_failed_error'] = __('An error occurred while updating %1$s: %2$s');
        $this->upgrader->strings['skin_update_failed'] = __('The update of %s failed.');
        $this->upgrader->strings['skin_update_successful'] = __('%s updated successfully.');
        $this->upgrader->strings['skin_upgrade_end'] = __('All updates have been completed.');
    }
    public function feedback($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;
        }
        if ($this->in_loop) {
            echo "{$string}<br />\n";
        } else {
            echo "<p>{$string}</p>\n";
        }
    }
    public function header()
    {
    }
    public function footer()
    {
    }
    public function error($error)
    {
        if (is_string($error) && isset($this->upgrader->strings[$error])) {
            $this->error = $this->upgrader->strings[$error];
        }
        if (is_wp_error($error)) {
            $messages = array();
            foreach ($error->get_error_messages() as $emessage) {
                if ($error->get_error_data() && is_string($error->get_error_data())) {
                    $messages[] = $emessage . ' ' . esc_html(strip_tags($error->get_error_data()));
                } else {
                    $messages[] = $emessage;
                }
            }
            $this->error = implode(', ', $messages);
        }
        echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
    }
    public function bulk_header()
    {
        $this->feedback('skin_upgrade_start');
    }
    public function bulk_footer()
    {
        $this->feedback('skin_upgrade_end');
    }
    public function before($title = '')
    {
        $this->in_loop = true;
        printf('<h2>' . $this->upgrader->strings['skin_before_update_header'] . ' <span class="spinner waiting-' . $this->upgrader->update_current . '"></span></h2>', $title, $this->upgrader->update_current, $this->upgrader->update_count);
        echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').css("display", "inline-block");</script>';
        echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr($this->upgrader->update_current) . '"><p>';
        $this->flush_output();
    }
    public function after($title = '')
    {
        echo '</p></div>';
        if ($this->error || !$this->result) {
            if ($this->error) {
                echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, '<strong>' . $this->error . '</strong>') . '</p></div>';
            } else {
                echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '</p></div>';
            }
            echo '<script type="text/javascript">jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').show();</script>';
        }
        if ($this->result && !is_wp_error($this->result)) {
            if (!$this->error) {
                echo '<div class="updated js-update-details" data-update-details="progress-' . esc_attr($this->upgrader->update_current) . '">' . '<p>' . sprintf($this->upgrader->strings['skin_update_successful'], $title) . ' <button type="button" class="hide-if-no-js button-link js-update-details-toggle" aria-expanded="false">' . __('Show details.') . '</button>' . '</p></div>';
            }
            echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
        }
        $this->reset();
        $this->flush_output();
    }
    public function reset()
    {
        $this->in_loop = false;
        $this->error = false;
    }
    public function flush_output()
    {
        wp_ob_end_flush_all();
        flush();
    }
}