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<?php /** * Widget API: WP_Widget_Media_Audio class * * @package WordPress * @subpackage Widgets * @since 4.8.0 / /* * Core class that implements an audio widget. * * @since 4.8.0 * * @see WP_Widget_Media * @see WP_Widget / class WP_Widget_Media_Audio extends WP_Widget_Media { /* * Constructor. * * @since 4.8.0 / public function __construct() { parent::__construct( 'media_audio', __( 'Audio' ), array( 'description' => __( 'Displays an audio player.' ), 'mime_type' => 'audio', ) ); $this->l10n = array_merge( $this->l10n, array( 'no_media_selected' => __( 'No audio selected' ), 'add_media' => _x( 'Add Audio', 'label for button in the audio widget' ), 'replace_media' => _x( 'Replace Audio', 'label for button in the audio widget; should preferably not be longer than ~13 characters long' ), 'edit_media' => _x( 'Edit Audio', 'label for button in the audio widget; should preferably not be longer than ~13 characters long' ), 'missing_attachment' => sprintf( / translators: %s: URL to media library. / __( 'That audio file cannot be found. Check your <a href="%s">media library</a> and make sure it was not deleted.' ), esc_url( admin_url( 'upload.php' ) ) ), / translators: %d: Widget count. / 'media_library_state_multi' => _n_noop( 'Audio Widget (%d)', 'Audio Widget (%d)' ), 'media_library_state_single' => __( 'Audio Widget' ), 'unsupported_file_type' => __( 'Looks like this is not the correct kind of file. Please link to an audio file instead.' ), ) ); } /* * Get schema for properties of a widget instance (item). * * @since 4.8.0 * * @see WP_REST_Controller::get_item_schema() * @see WP_REST_Controller::get_additional_fields() * @link https://core.trac.wordpress.org/ticket/35574 * * @return array Schema for properties. / public function get_instance_schema() { $schema = array( 'preload' => array( 'type' => 'string', 'enum' => array( 'none', 'auto', 'metadata' ), 'default' => 'none', 'description' => __( 'Preload' ), ), 'loop' => array( 'type' => 'boolean', 'default' => false, 'description' => __( 'Loop' ), ), ); foreach ( wp_get_audio_extensions() as $audio_extension ) { $schema[ $audio_extension ] = array( 'type' => 'string', 'default' => '', 'format' => 'uri', / translators: %s: Audio extension. / 'description' => sprintf( __( 'URL to the %s audio source file' ), $audio_extension ), ); } return array_merge( $schema, parent::get_instance_schema() ); } /* * Render the media on the frontend. * * @since 4.8.0 * * @param array $instance Widget instance props. / public function render_media( $instance ) { $instance = array_merge( wp_list_pluck( $this->get_instance_schema(), 'default' ), $instance ); $attachment = null; if ( $this->is_attachment_with_mime_type( $instance['attachment_id'], $this->widget_options['mime_type'] ) ) { $attachment = get_post( $instance['attachment_id'] ); } if ( $attachment ) { $src = wp_get_attachment_url( $attachment->ID ); } else { $src = $instance['url']; } echo wp_audio_shortcode( array_merge( $instance, compact( 'src' ) ) ); } /* * Enqueue preview scripts. * * These scripts normally are enqueued just-in-time when an audio shortcode is used. * In the customizer, however, widgets can be dynamically added and rendered via * selective refresh, and so it is important to unconditionally enqueue them in * case a widget does get added. * * @since 4.8.0 / public function enqueue_preview_scripts() { /* This filter is documented in wp-includes/media.php / if ( 'mediaelement' === apply_filters( 'wp_audio_shortcode_library', 'mediaelement' ) ) { wp_enqueue_style( 'wp-mediaelement' ); wp_enqueue_script( 'wp-mediaelement' ); } } /* * Loads the required media files for the media manager and scripts for media widgets. * * @since 4.8.0 / public function enqueue_admin_scripts() { parent::enqueue_admin_scripts(); wp_enqueue_style( 'wp-mediaelement' ); wp_enqueue_script( 'wp-mediaelement' ); $handle = 'media-audio-widget'; wp_enqueue_script( $handle ); $exported_schema = array(); foreach ( $this->get_instance_schema() as $field => $field_schema ) { $exported_schema[ $field ] = wp_array_slice_assoc( $field_schema, array( 'type', 'default', 'enum', 'minimum', 'format', 'media_prop', 'should_preview_update' ) ); } wp_add_inline_script( $handle, sprintf( 'wp.mediaWidgets.modelConstructors[ %s ].prototype.schema = %s;', wp_json_encode( $this->id_base, JSON_HEX_TAG \| JSON_UNESCAPED_SLASHES ), wp_json_encode( $exported_schema, JSON_HEX_TAG \| JSON_UNESCAPED_SLASHES ) ) ); wp_add_inline_script( $handle, sprintf( ' wp.mediaWidgets.controlConstructors[ %1$s ].prototype.mime_type = %2$s; wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n = _.extend( {}, wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n, %3$s ); ', wp_json_encode( $this->id_base, JSON_HEX_TAG \| JSON_UNESCAPED_SLASHES ), wp_json_encode( $this->widget_options['mime_type'], JSON_HEX_TAG \| JSON_UNESCAPED_SLASHES ), wp_json_encode( $this->l10n, JSON_HEX_TAG \| JSON_UNESCAPED_SLASHES ) ) ); } /* * Render form template scripts. * * @since 4.8.0 */ public function render_control_template_scripts() { parent::render_control_template_scripts() ?> <script type="text/html" id="tmpl-wp-media-widget-audio-preview"> <# if ( data.error && 'missing_attachment' === data.error ) { #> <?php wp_admin_notice( $this->l10n['missing_attachment'], array( 'type' => 'error', 'additional_classes' => array( 'notice-alt', 'notice-missing-attachment' ), ) ); ?> <# } else if ( data.error ) { #> <?php wp_admin_notice( __( 'Unable to preview media due to an unknown error.' ), array( 'type' => 'error', 'additional_classes' => array( 'notice-alt' ), ) ); ?> <# } else if ( data.model && data.model.src ) { #> <?php wp_underscore_audio_template(); ?> <# } #> </script> <?php } }