Add upstream

wp-content/plugins/jetpack/modules/infinite-scroll/themes/twentyten.php

@@ -0,0 +1,55 @@
+<?php
+/**
+ * Infinite Scroll Theme Assets
+ *
+ * Register support for @Twenty Ten and enqueue relevant styles.
+ */
+
+/**
+ * Add theme support for infinity scroll
+ */
+function jetpack_twentyten_infinite_scroll_init() {
+	add_theme_support( 'infinite-scroll', array(
+		'container'      => 'content',
+		'render'         => 'jetpack_twentyten_infinite_scroll_render',
+		'footer'         => 'wrapper',
+		'footer_widgets' => jetpack_twentyten_has_footer_widgets(),
+	) );
+}
+add_action( 'init', 'jetpack_twentyten_infinite_scroll_init' );
+
+/**
+ * Set the code to be rendered on for calling posts,
+ * hooked to template parts when possible.
+ *
+ * Note: must define a loop.
+ */
+function jetpack_twentyten_infinite_scroll_render() {
+	get_template_part( 'loop' );
+}
+
+/**
+ * Enqueue CSS stylesheet with theme styles for infinity.
+ */
+function jetpack_twentyten_infinite_scroll_enqueue_styles() {
+	if ( wp_script_is( 'the-neverending-homepage' ) ) {
+		// Add theme specific styles.
+		wp_enqueue_style( 'infinity-twentyten', plugins_url( 'twentyten.css', __FILE__ ), array( 'the-neverending-homepage' ), '20121002' );
+	}
+}
+add_action( 'wp_enqueue_scripts', 'jetpack_twentyten_infinite_scroll_enqueue_styles', 25 );
+
+/**
+ * Do we have footer widgets?
+ */
+function jetpack_twentyten_has_footer_widgets() {
+	if ( is_active_sidebar( 'first-footer-widget-area' ) ||
+		is_active_sidebar( 'second-footer-widget-area' ) ||
+		is_active_sidebar( 'third-footer-widget-area'  ) ||
+		is_active_sidebar( 'fourth-footer-widget-area' ) ) {
+
+		return true;
+	}
+
+	return false;
+}