49 lines
1.8 KiB
PHP
49 lines
1.8 KiB
PHP
<?php
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/**
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* INFINITE SCROLL
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*/
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/**
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* Load theme's infinite scroll annotation file, if present in the IS plugin.
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* The `setup_theme` action is used because the annotation files should be using `after_setup_theme` to register support for IS.
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*
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* As released in Jetpack 2.0, a child theme's parent wasn't checked for in the plugin's bundled support, hence the convoluted way the parent is checked for now.
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*
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* @uses is_admin, wp_get_theme, get_theme, get_current_theme, apply_filters
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* @action setup_theme
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* @return null
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*/
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function jetpack_load_infinite_scroll_annotation() {
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if ( is_admin() && isset( $_GET['page'] ) && 'jetpack' == $_GET['page'] ) {
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$theme = function_exists( 'wp_get_theme' ) ? wp_get_theme() : get_theme( get_current_theme() );
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if ( ! is_a( $theme, 'WP_Theme' ) && ! is_array( $theme ) )
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return;
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/** This filter is already documented in modules/infinite-scroll/infinity.php */
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$customization_file = apply_filters( 'infinite_scroll_customization_file', dirname( __FILE__ ) . "/infinite-scroll/themes/{$theme['Stylesheet']}.php", $theme['Stylesheet'] );
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if ( is_readable( $customization_file ) ) {
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require_once( $customization_file );
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} elseif ( ! empty( $theme['Template'] ) ) {
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$customization_file = dirname( __FILE__ ) . "/infinite-scroll/themes/{$theme['Template']}.php";
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if ( is_readable( $customization_file ) )
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require_once( $customization_file );
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}
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}
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}
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add_action( 'setup_theme', 'jetpack_load_infinite_scroll_annotation' );
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/**
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* Prevent IS from being activated if theme doesn't support it
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*
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* @param bool $can_activate
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* @filter jetpack_can_activate_infinite-scroll
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* @return bool
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*/
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function jetpack_can_activate_infinite_scroll() {
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return (bool) current_theme_supports( 'infinite-scroll' );
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}
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add_filter( 'jetpack_can_activate_infinite-scroll', 'jetpack_can_activate_infinite_scroll' );
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