wp-fedistream/includes/Frontend/Widgets/NowPlayingWidget.php

<?php
/**
 * Now Playing Widget.
 *
 * @package WP_FediStream
 */

namespace WP_FediStream\Frontend\Widgets;

use WP_FediStream\Plugin;

// Prevent direct file access.
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

/**
 * Displays the currently playing track (updates via JavaScript).
 */
class NowPlayingWidget extends \WP_Widget {

    /**
     * Constructor.
     */
    public function __construct() {
        parent::__construct(
            'fedistream_now_playing',
            __( 'FediStream: Now Playing', 'wp-fedistream' ),
            array(
                'description' => __( 'Display the currently playing track.', 'wp-fedistream' ),
                'classname'   => 'fedistream-widget fedistream-widget--now-playing',
            )
        );
    }

    /**
     * Front-end display.
     *
     * @param array $args     Widget arguments.
     * @param array $instance Saved values from database.
     * @return void
     */
    public function widget( $args, $instance ): void {
        $title       = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Now Playing', 'wp-fedistream' );
        $title       = apply_filters( 'widget_title', $title, $instance, $this->id_base );
        $show_player = ! empty( $instance['show_player'] );

        echo $args['before_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped

        if ( $title ) {
            echo $args['before_title'] . esc_html( $title ) . $args['after_title']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
        }

        try {
            $plugin = Plugin::get_instance();
            // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
            echo $plugin->render(
                'widgets/now-playing',
                array(
                    'show_player' => $show_player,
                )
            );
        } catch ( \Exception $e ) {
            if ( WP_DEBUG ) {
                echo '<p class="fedistream-error">' . esc_html( $e->getMessage() ) . '</p>';
            }
        }

        echo $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
    }

    /**
     * Back-end widget form.
     *
     * @param array $instance Previously saved values from database.
     * @return void
     */
    public function form( $instance ): void {
        $title       = ! empty( $instance['title'] ) ? $instance['title'] : __( 'Now Playing', 'wp-fedistream' );
        $show_player = ! empty( $instance['show_player'] );
        ?>
        <p>
            <label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title:', 'wp-fedistream' ); ?></label>
            <input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>">
        </p>
        <p>
            <label>
                <input type="checkbox" id="<?php echo esc_attr( $this->get_field_id( 'show_player' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'show_player' ) ); ?>" value="1" <?php checked( $show_player ); ?>>
                <?php esc_html_e( 'Show player controls', 'wp-fedistream' ); ?>
            </label>
        </p>
        <p class="description">
            <?php esc_html_e( 'This widget shows information about the currently playing track and updates automatically via JavaScript.', 'wp-fedistream' ); ?>
        </p>
        <?php
    }

    /**
     * Sanitize widget form values as they are saved.
     *
     * @param array $new_instance Values just sent to be saved.
     * @param array $old_instance Previously saved values from database.
     * @return array Updated safe values to be saved.
     */
    public function update( $new_instance, $old_instance ): array {
        $instance                = array();
        $instance['title']       = ! empty( $new_instance['title'] ) ? sanitize_text_field( $new_instance['title'] ) : '';
        $instance['show_player'] = ! empty( $new_instance['show_player'] );
        return $instance;
    }
}