WordPress/wp-includes/widgets/class-wp-widget-media-video.php
Gary Pendergast aaf99e6913 Code is Poetry.
WordPress' code just... wasn't.
This is now dealt with.

Props jrf, pento, netweb, GaryJ, jdgrimes, westonruter, Greg Sherwood from PHPCS, and everyone who's ever contributed to WPCS and PHPCS.
Fixes #41057.


Built from https://develop.svn.wordpress.org/trunk@42343


git-svn-id: http://core.svn.wordpress.org/trunk@42172 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-11-30 23:11:00 +00:00

256 lines
8.2 KiB
PHP

<?php
/**
* Widget API: WP_Widget_Media_Video class
*
* @package WordPress
* @subpackage Widgets
* @since 4.8.0
*/
/**
* Core class that implements a video widget.
*
* @since 4.8.0
*
* @see WP_Widget
*/
class WP_Widget_Media_Video extends WP_Widget_Media {
/**
* Constructor.
*
* @since 4.8.0
*/
public function __construct() {
parent::__construct(
'media_video', __( 'Video' ), array(
'description' => __( 'Displays a video from the media library or from YouTube, Vimeo, or another provider.' ),
'mime_type' => 'video',
)
);
$this->l10n = array_merge(
$this->l10n, array(
'no_media_selected' => __( 'No video selected' ),
'add_media' => _x( 'Add Video', 'label for button in the video widget' ),
'replace_media' => _x( 'Replace Video', 'label for button in the video widget; should preferably not be longer than ~13 characters long' ),
'edit_media' => _x( 'Edit Video', 'label for button in the video widget; should preferably not be longer than ~13 characters long' ),
'missing_attachment' => sprintf(
/* translators: %s: URL to media library */
__( 'We can&#8217;t find that video. Check your <a href="%s">media library</a> and make sure it wasn&#8217;t deleted.' ),
esc_url( admin_url( 'upload.php' ) )
),
/* translators: %d: widget count */
'media_library_state_multi' => _n_noop( 'Video Widget (%d)', 'Video Widget (%d)' ),
'media_library_state_single' => __( 'Video Widget' ),
/* translators: %s: a list of valid video file extensions */
'unsupported_file_type' => sprintf( __( 'Sorry, we can&#8217;t load the video at the supplied URL. Please check that the URL is for a supported video file (%s) or stream (e.g. YouTube and Vimeo).' ), '<code>.' . implode( '</code>, <code>.', wp_get_video_extensions() ) . '</code>' ),
)
);
}
/**
* 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_merge(
parent::get_instance_schema(),
array(
'preload' => array(
'type' => 'string',
'enum' => array( 'none', 'auto', 'metadata' ),
'default' => 'metadata',
'description' => __( 'Preload' ),
'should_preview_update' => false,
),
'loop' => array(
'type' => 'boolean',
'default' => false,
'description' => __( 'Loop' ),
'should_preview_update' => false,
),
'content' => array(
'type' => 'string',
'default' => '',
'sanitize_callback' => 'wp_kses_post',
'description' => __( 'Tracks (subtitles, captions, descriptions, chapters, or metadata)' ),
'should_preview_update' => false,
),
)
);
foreach ( wp_get_video_extensions() as $video_extension ) {
$schema[ $video_extension ] = array(
'type' => 'string',
'default' => '',
'format' => 'uri',
/* translators: %s: video extension */
'description' => sprintf( __( 'URL to the %s video source file' ), $video_extension ),
);
}
return $schema;
}
/**
* Render the media on the frontend.
*
* @since 4.8.0
*
* @param array $instance Widget instance props.
*
* @return void
*/
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'] );
}
$src = $instance['url'];
if ( $attachment ) {
$src = wp_get_attachment_url( $attachment->ID );
}
if ( empty( $src ) ) {
return;
}
$youtube_pattern = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#';
$vimeo_pattern = '#^https?://(.+\.)?vimeo\.com/.*#';
if ( $attachment || preg_match( $youtube_pattern, $src ) || preg_match( $vimeo_pattern, $src ) ) {
add_filter( 'wp_video_shortcode', array( $this, 'inject_video_max_width_style' ) );
echo wp_video_shortcode(
array_merge(
$instance,
compact( 'src' )
),
$instance['content']
);
remove_filter( 'wp_video_shortcode', array( $this, 'inject_video_max_width_style' ) );
} else {
echo $this->inject_video_max_width_style( wp_oembed_get( $src ) );
}
}
/**
* Inject max-width and remove height for videos too constrained to fit inside sidebars on frontend.
*
* @since 4.8.0
*
* @param string $html Video shortcode HTML output.
* @return string HTML Output.
*/
public function inject_video_max_width_style( $html ) {
$html = preg_replace( '/\sheight="\d+"/', '', $html );
$html = preg_replace( '/\swidth="\d+"/', '', $html );
$html = preg_replace( '/(?<=width:)\s*\d+px(?=;?)/', '100%', $html );
return $html;
}
/**
* Enqueue preview scripts.
*
* These scripts normally are enqueued just-in-time when a video 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_video_shortcode_library', 'mediaelement' ) ) {
wp_enqueue_style( 'wp-mediaelement' );
wp_enqueue_script( 'mediaelement-vimeo' );
wp_enqueue_script( 'wp-mediaelement' );
}
}
/**
* Loads the required scripts and styles for the widget control.
*
* @since 4.8.0
*/
public function enqueue_admin_scripts() {
parent::enqueue_admin_scripts();
$handle = 'media-video-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 ),
wp_json_encode( $exported_schema )
)
);
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 ),
wp_json_encode( $this->widget_options['mime_type'] ),
wp_json_encode( $this->l10n )
)
);
}
/**
* 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-video-preview">
<# if ( data.error && 'missing_attachment' === data.error ) { #>
<div class="notice notice-error notice-alt notice-missing-attachment">
<p><?php echo $this->l10n['missing_attachment']; ?></p>
</div>
<# } else if ( data.error && 'unsupported_file_type' === data.error ) { #>
<div class="notice notice-error notice-alt notice-missing-attachment">
<p><?php echo $this->l10n['unsupported_file_type']; ?></p>
</div>
<# } else if ( data.error ) { #>
<div class="notice notice-error notice-alt">
<p><?php _e( 'Unable to preview media due to an unknown error.' ); ?></p>
</div>
<# } else if ( data.is_oembed && data.model.poster ) { #>
<a href="{{ data.model.src }}" target="_blank" class="media-widget-video-link">
<img src="{{ data.model.poster }}" />
</a>
<# } else if ( data.is_oembed ) { #>
<a href="{{ data.model.src }}" target="_blank" class="media-widget-video-link no-poster">
<span class="dashicons dashicons-format-video"></span>
</a>
<# } else if ( data.model.src ) { #>
<?php wp_underscore_video_template(); ?>
<# } #>
</script>
<?php
}
}