wp/wp-content/themes/twentyseventeen/inc/custom-header.php
changeset 8 c7c34916027a
parent 7 cf61fcea0001
child 9 177826044cd9
equal deleted inserted replaced
7:cf61fcea0001 8:c7c34916027a
     1 <?php
       
     2 /**
       
     3  * Custom header implementation
       
     4  *
       
     5  * @link https://codex.wordpress.org/Custom_Headers
       
     6  *
       
     7  * @package WordPress
       
     8  * @subpackage Twenty_Seventeen
       
     9  * @since 1.0
       
    10  */
       
    11 
       
    12 /**
       
    13  * Set up the WordPress core custom header feature.
       
    14  *
       
    15  * @uses twentyseventeen_header_style()
       
    16  */
       
    17 function twentyseventeen_custom_header_setup() {
       
    18 
       
    19 	/**
       
    20 	 * Filter Twenty Seventeen custom-header support arguments.
       
    21 	 *
       
    22 	 * @since Twenty Seventeen 1.0
       
    23 	 *
       
    24 	 * @param array $args {
       
    25 	 *     An array of custom-header support arguments.
       
    26 	 *
       
    27 	 *     @type string $default-image     		Default image of the header.
       
    28 	 *     @type string $default_text_color     Default color of the header text.
       
    29 	 *     @type int    $width                  Width in pixels of the custom header image. Default 954.
       
    30 	 *     @type int    $height                 Height in pixels of the custom header image. Default 1300.
       
    31 	 *     @type string $wp-head-callback       Callback function used to styles the header image and text
       
    32 	 *                                          displayed on the blog.
       
    33 	 *     @type string $flex-height     		Flex support for height of header.
       
    34 	 * }
       
    35 	 */
       
    36 	add_theme_support( 'custom-header', apply_filters( 'twentyseventeen_custom_header_args', array(
       
    37 		'default-image'      => get_parent_theme_file_uri( '/assets/images/header.jpg' ),
       
    38 		'width'              => 2000,
       
    39 		'height'             => 1200,
       
    40 		'flex-height'        => true,
       
    41 		'video'              => true,
       
    42 		'wp-head-callback'   => 'twentyseventeen_header_style',
       
    43 	) ) );
       
    44 
       
    45 	register_default_headers( array(
       
    46 		'default-image' => array(
       
    47 			'url'           => '%s/assets/images/header.jpg',
       
    48 			'thumbnail_url' => '%s/assets/images/header.jpg',
       
    49 			'description'   => __( 'Default Header Image', 'twentyseventeen' ),
       
    50 		),
       
    51 	) );
       
    52 }
       
    53 add_action( 'after_setup_theme', 'twentyseventeen_custom_header_setup' );
       
    54 
       
    55 if ( ! function_exists( 'twentyseventeen_header_style' ) ) :
       
    56 /**
       
    57  * Styles the header image and text displayed on the blog.
       
    58  *
       
    59  * @see twentyseventeen_custom_header_setup().
       
    60  */
       
    61 function twentyseventeen_header_style() {
       
    62 	$header_text_color = get_header_textcolor();
       
    63 
       
    64 	// If no custom options for text are set, let's bail.
       
    65 	// get_header_textcolor() options: add_theme_support( 'custom-header' ) is default, hide text (returns 'blank') or any hex value.
       
    66 	if ( get_theme_support( 'custom-header', 'default-text-color' ) === $header_text_color ) {
       
    67 		return;
       
    68 	}
       
    69 
       
    70 	// If we get this far, we have custom styles. Let's do this.
       
    71 	?>
       
    72 	<style id="twentyseventeen-custom-header-styles" type="text/css">
       
    73 	<?php
       
    74 		// Has the text been hidden?
       
    75 		if ( 'blank' === $header_text_color ) :
       
    76 	?>
       
    77 		.site-title,
       
    78 		.site-description {
       
    79 			position: absolute;
       
    80 			clip: rect(1px, 1px, 1px, 1px);
       
    81 		}
       
    82 	<?php
       
    83 		// If the user has set a custom color for the text use that.
       
    84 		else :
       
    85 	?>
       
    86 		.site-title a,
       
    87 		.colors-dark .site-title a,
       
    88 		.colors-custom .site-title a,
       
    89 		body.has-header-image .site-title a,
       
    90 		body.has-header-video .site-title a,
       
    91 		body.has-header-image.colors-dark .site-title a,
       
    92 		body.has-header-video.colors-dark .site-title a,
       
    93 		body.has-header-image.colors-custom .site-title a,
       
    94 		body.has-header-video.colors-custom .site-title a,
       
    95 		.site-description,
       
    96 		.colors-dark .site-description,
       
    97 		.colors-custom .site-description,
       
    98 		body.has-header-image .site-description,
       
    99 		body.has-header-video .site-description,
       
   100 		body.has-header-image.colors-dark .site-description,
       
   101 		body.has-header-video.colors-dark .site-description,
       
   102 		body.has-header-image.colors-custom .site-description,
       
   103 		body.has-header-video.colors-custom .site-description {
       
   104 			color: #<?php echo esc_attr( $header_text_color ); ?>;
       
   105 		}
       
   106 	<?php endif; ?>
       
   107 	</style>
       
   108 	<?php
       
   109 }
       
   110 endif; // End of twentyseventeen_header_style.
       
   111 
       
   112 /**
       
   113  * Customize video play/pause button in the custom header.
       
   114  *
       
   115  * @param array $settings Video settings.
       
   116  * @return array The filtered video settings.
       
   117  */
       
   118 function twentyseventeen_video_controls( $settings ) {
       
   119 	$settings['l10n']['play'] = '<span class="screen-reader-text">' . __( 'Play background video', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'play' ) );
       
   120 	$settings['l10n']['pause'] = '<span class="screen-reader-text">' . __( 'Pause background video', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'pause' ) );
       
   121 	return $settings;
       
   122 }
       
   123 add_filter( 'header_video_settings', 'twentyseventeen_video_controls' );