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<?php
/**
 * Upgrader API: Theme_Upgrader_Skin class
 *
 * @package WordPress
 * @subpackage Upgrader
 * @since 4.6.0
 */

/**
 * Theme Upgrader Skin for WordPress Theme Upgrades.
 *
 * @since 2.8.0
 * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
 *
 * @see WP_Upgrader_Skin
 */
class Theme_Upgrader_Skin extends WP_Upgrader_Skin {

    /**
     * Holds the theme slug in the Theme Directory.
     *
     * @since 2.8.0
     *
     * @var string
     */
    public $theme = '';

    /**
     * Constructor.
     *
     * Sets up the theme upgrader skin.
     *
     * @since 2.8.0
     *
     * @param array $args Optional. The theme upgrader skin arguments to
     *                    override default options. Default empty array.
     */
    public function __construct( $args = array() ) {
        $defaults = array(
            'url'   => '',
            'theme' => '',
            'nonce' => '',
            'title' => __( 'Update Theme' ),
        );
        $args     = wp_parse_args( $args, $defaults );

        $this->theme = $args['theme'];

        parent::__construct( $args );
    }

    /**
     * Action to perform following a single theme update.
     *
     * @since 2.8.0
     */
    public function after() {
        $this->decrement_update_count( 'theme' );

        $update_actions = array();
        $theme_info     = $this->upgrader->theme_info();
        if ( $theme_info ) {
            $name       = $theme_info->display( 'Name' );
            $stylesheet = $this->upgrader->result['destination_name'];
            $template   = $theme_info->get_template();

            $activate_link = add_query_arg(
                array(
                    'action'     => 'activate',
                    'template'   => urlencode( $template ),
                    'stylesheet' => urlencode( $stylesheet ),
                ),
                admin_url( 'themes.php' )
            );
            $activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );

            $customize_url = add_query_arg(
                array(
                    'theme'  => urlencode( $stylesheet ),
                    'return' => urlencode( admin_url( 'themes.php' ) ),
                ),
                admin_url( 'customize.php' )
            );

            if ( get_stylesheet() === $stylesheet ) {
                if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
                    $update_actions['preview'] = sprintf(
                        '<a href="%s" class="hide-if-no-customize load-customize">' .
                        '<span aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
                        esc_url( $customize_url ),
                        __( 'Customize' ),
                        /* translators: %s: Theme name. */
                        sprintf( __( 'Customize &#8220;%s&#8221;' ), $name )
                    );
                }
            } elseif ( current_user_can( 'switch_themes' ) ) {
                if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) ) {
                    $update_actions['preview'] = sprintf(
                        '<a href="%s" class="hide-if-no-customize load-customize">' .
                        '<span aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
                        esc_url( $customize_url ),
                        __( 'Live Preview' ),
                        /* translators: %s: Theme name. */
                        sprintf( __( 'Live Preview &#8220;%s&#8221;' ), $name )
                    );
                }

                $update_actions['activate'] = sprintf(
                    '<a href="%s" class="activatelink">' .
                    '<span aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
                    esc_url( $activate_link ),
                    __( 'Activate' ),
                    /* translators: %s: Theme name. */
                    sprintf( _x( 'Activate &#8220;%s&#8221;', 'theme' ), $name )
                );
            }

            if ( ! $this->result || is_wp_error( $this->result ) || is_network_admin() ) {
                unset( $update_actions['preview'], $update_actions['activate'] );
            }
        }

        $update_actions['themes_page'] = sprintf(
            '<a href="%s" target="_parent">%s</a>',
            self_admin_url( 'themes.php' ),
            __( 'Go to Themes page' )
        );

        /**
         * Filters the list of action links available following a single theme update.
         *
         * @since 2.8.0
         *
         * @param string[] $update_actions Array of theme action links.
         * @param string   $theme          Theme directory name.
         */
        $update_actions = apply_filters( 'update_theme_complete_actions', $update_actions, $this->theme );

        if ( ! empty( $update_actions ) ) {
            $this->feedback( implode( ' | ', (array) $update_actions ) );
        }
    }
}