132 lines
4.5 KiB
PHP
132 lines
4.5 KiB
PHP
<?php
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/**
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* Custom header implementation
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*
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* @link https://codex.wordpress.org/Custom_Headers
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*
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* @package WordPress
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* @subpackage Twenty_Seventeen
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* @since Twenty Seventeen 1.0
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*/
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/**
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* Set up the WordPress core custom header feature.
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*
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* @uses twentyseventeen_header_style()
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*/
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function twentyseventeen_custom_header_setup() {
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/**
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* Filter Twenty Seventeen custom-header support arguments.
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*
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* @since Twenty Seventeen 1.0
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*
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* @param array $args {
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* An array of custom-header support arguments.
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*
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* @type string $default-image Default image of the header.
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* @type int $width Width in pixels of the custom header image. Default 954.
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* @type int $height Height in pixels of the custom header image. Default 1300.
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* @type string $flex-height Flex support for height of header.
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* @type string $video Video support for header.
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* @type string $wp-head-callback Callback function used to styles the header image and text
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* displayed on the blog.
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* }
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*/
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add_theme_support(
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'custom-header',
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apply_filters(
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'twentyseventeen_custom_header_args',
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array(
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'default-image' => get_parent_theme_file_uri( '/assets/images/header.jpg' ),
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'width' => 2000,
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'height' => 1200,
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'flex-height' => true,
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'video' => true,
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'wp-head-callback' => 'twentyseventeen_header_style',
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)
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)
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);
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register_default_headers(
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array(
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'default-image' => array(
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'url' => '%s/assets/images/header.jpg',
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'thumbnail_url' => '%s/assets/images/header.jpg',
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'description' => __( 'Default Header Image', 'twentyseventeen' ),
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),
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)
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);
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}
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add_action( 'after_setup_theme', 'twentyseventeen_custom_header_setup' );
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if ( ! function_exists( 'twentyseventeen_header_style' ) ) :
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/**
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* Styles the header image and text displayed on the blog.
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*
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* @see twentyseventeen_custom_header_setup().
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*/
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function twentyseventeen_header_style() {
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$header_text_color = get_header_textcolor();
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// If no custom options for text are set, let's bail.
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// get_header_textcolor() options: add_theme_support( 'custom-header' ) is default, hide text (returns 'blank') or any hex value.
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if ( get_theme_support( 'custom-header', 'default-text-color' ) === $header_text_color ) {
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return;
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}
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// If we get this far, we have custom styles. Let's do this.
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?>
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<style id="twentyseventeen-custom-header-styles" type="text/css">
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<?php
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// Has the text been hidden?
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if ( 'blank' === $header_text_color ) :
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?>
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.site-title,
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.site-description {
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position: absolute;
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clip: rect(1px, 1px, 1px, 1px);
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}
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<?php
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// If the user has set a custom color for the text use that.
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else :
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?>
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.site-title a,
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.colors-dark .site-title a,
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.colors-custom .site-title a,
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body.has-header-image .site-title a,
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body.has-header-video .site-title a,
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body.has-header-image.colors-dark .site-title a,
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body.has-header-video.colors-dark .site-title a,
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body.has-header-image.colors-custom .site-title a,
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body.has-header-video.colors-custom .site-title a,
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.site-description,
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.colors-dark .site-description,
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.colors-custom .site-description,
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body.has-header-image .site-description,
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body.has-header-video .site-description,
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body.has-header-image.colors-dark .site-description,
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body.has-header-video.colors-dark .site-description,
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body.has-header-image.colors-custom .site-description,
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body.has-header-video.colors-custom .site-description {
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color: #<?php echo esc_attr( $header_text_color ); ?>;
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}
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<?php endif; ?>
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</style>
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<?php
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}
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endif; // End of twentyseventeen_header_style().
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/**
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* Customize video play/pause button in the custom header.
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*
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* @param array $settings Video settings.
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* @return array The filtered video settings.
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*/
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function twentyseventeen_video_controls( $settings ) {
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$settings['l10n']['play'] = '<span class="screen-reader-text">' . __( 'Play background video', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'play' ) );
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$settings['l10n']['pause'] = '<span class="screen-reader-text">' . __( 'Pause background video', 'twentyseventeen' ) . '</span>' . twentyseventeen_get_svg( array( 'icon' => 'pause' ) );
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return $settings;
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}
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add_filter( 'header_video_settings', 'twentyseventeen_video_controls' );
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