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Oldphaloskepsis/plugins/jetpack/modules/theme-tools/infinite-scroll.php

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2017-01-12 23:10:07 +00:00
<?php
/**
* INFINITE SCROLL
*/
/**
* Load theme's infinite scroll annotation file, if present in the IS plugin.
* The `setup_theme` action is used because the annotation files should be using `after_setup_theme` to register support for IS.
*
* 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.
*
* @uses is_admin, wp_get_theme, get_theme, get_current_theme, apply_filters
* @action setup_theme
* @return null
*/
function jetpack_load_infinite_scroll_annotation() {
if ( is_admin() && isset( $_GET['page'] ) && 'jetpack' == $_GET['page'] ) {
$theme = function_exists( 'wp_get_theme' ) ? wp_get_theme() : get_theme( get_current_theme() );
if ( ! is_a( $theme, 'WP_Theme' ) && ! is_array( $theme ) )
return;
/** This filter is already documented in modules/infinite-scroll/infinity.php */
$customization_file = apply_filters( 'infinite_scroll_customization_file', dirname( __FILE__ ) . "/infinite-scroll/themes/{$theme['Stylesheet']}.php", $theme['Stylesheet'] );
if ( is_readable( $customization_file ) ) {
require_once( $customization_file );
} elseif ( ! empty( $theme['Template'] ) ) {
$customization_file = dirname( __FILE__ ) . "/infinite-scroll/themes/{$theme['Template']}.php";
if ( is_readable( $customization_file ) )
require_once( $customization_file );
}
}
}
add_action( 'setup_theme', 'jetpack_load_infinite_scroll_annotation' );
/**
* Prevent IS from being activated if theme doesn't support it
*
* @param bool $can_activate
* @filter jetpack_can_activate_infinite-scroll
* @return bool
*/
function jetpack_can_activate_infinite_scroll() {
return (bool) current_theme_supports( 'infinite-scroll' );
}
add_filter( 'jetpack_can_activate_infinite-scroll', 'jetpack_can_activate_infinite_scroll' );