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<?php |
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/** |
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* Theme Tools: Infinite Scroll functions. |
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* |
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* @package automattic/jetpack |
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*/ |
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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, 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' === $_GET['page'] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Function loads theme specific IS file provided by Jetpack if possible. |
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$theme = wp_get_theme(); |
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|
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if ( ! is_a( $theme, 'WP_Theme' ) && ! is_array( $theme ) ) { |
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return; |
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} |
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|
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/** This filter is already documented in modules/infinite-scroll/infinity.php */ |
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$customization_file = apply_filters( 'infinite_scroll_customization_file', __DIR__ . "/infinite-scroll/themes/{$theme['Stylesheet']}.php", $theme['Stylesheet'] ); |
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|
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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 = __DIR__ . "/infinite-scroll/themes/{$theme['Template']}.php"; |
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|
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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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} |
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add_action( 'setup_theme', 'jetpack_load_infinite_scroll_annotation' ); |
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|
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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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* @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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|
