Add upstream

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

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Infinite Scroll Theme Assets
+ *
+ * Register support for Twenty Fourteen.
+ */
+
+/**
+ * Add theme support for infinite scroll
+ */
+function jetpack_twentyfourteen_infinite_scroll_init() {
+	add_theme_support( 'infinite-scroll', array(
+		'container'      => 'content',
+		'footer'         => 'page',
+		'footer_widgets' => jetpack_twentyfourteen_has_footer_widgets(),
+	) );
+}
+add_action( 'after_setup_theme', 'jetpack_twentyfourteen_infinite_scroll_init' );
+
+/**
+ * Switch to the "click to load" type IS with the following cases
+ * 1. Viewed from iPad and the primary sidebar is active.
+ * 2. Viewed from mobile and either the primary or the content sidebar is active.
+ * 3. The footer widget is active.
+ *
+ * @return bool
+ */
+function jetpack_twentyfourteen_has_footer_widgets() {
+	if ( function_exists( 'jetpack_is_mobile' ) ) {
+		if ( ( Jetpack_User_Agent_Info::is_ipad() && is_active_sidebar( 'sidebar-1' ) )
+			|| ( jetpack_is_mobile( '', true ) && ( is_active_sidebar( 'sidebar-1' ) || is_active_sidebar( 'sidebar-2' ) ) )
+			|| is_active_sidebar( 'sidebar-3' ) )
+
+			return true;
+	}
+
+	return false;
+}
+
+/**
+ * Enqueue CSS stylesheet with theme styles for Infinite Scroll.
+ */
+function jetpack_twentyfourteen_infinite_scroll_enqueue_styles() {
+	if ( wp_script_is( 'the-neverending-homepage' ) ) {
+		wp_enqueue_style( 'infinity-twentyfourteen', plugins_url( 'twentyfourteen.css', __FILE__ ), array( 'the-neverending-homepage' ), '20131118' );
+	}
+}
+add_action( 'wp_enqueue_scripts', 'jetpack_twentyfourteen_infinite_scroll_enqueue_styles', 25 );