<?php
/**
 * Compatibility settings and functions for Jetpack from Automattic
 * See http://jetpack.me/support/infinite-scroll/
 *
 * @package Responsive
 */


/**
 * Add support for Infinite Scroll.
 */
function responsive_infinite_scroll_init() {
	add_theme_support( 'infinite-scroll', array(
		'footer_widgets' => 'sidebar-6',
		'container'      => 'content-blog',
		'footer'         => 'wrapper',
	) );
}
add_action( 'after_setup_theme', 'responsive_infinite_scroll_init' );


/**
 * Check whether or not footer widgets are present. If they are present, then a button to
 * 'Load more posts' will be displayed and IS will not be triggered unless a user manually clicks on that button.
 *
 * @param bool $has_widgets
 * @uses Jetpack_User_Agent_Info::is_ipad, jetpack_is_mobile, is_active_sidebar
 * @filter infinite_scroll_has_footer_widgets
 * @return bool
 */
function responsive_has_footer_widgets( $has_widgets ) {
	if ( ( Jetpack_User_Agent_Info::is_ipad() || ( function_exists( 'jetpack_is_mobile' ) && jetpack_is_mobile() ) ) && is_active_sidebar( 'sidebar-1' ) )
		$has_widgets = true;

	return $has_widgets;
}
add_filter( 'infinite_scroll_has_footer_widgets', 'responsive_has_footer_widgets' );

/**
 * Add support for the Site Logo
 */
function responsive_site_logo_init() {
	add_image_size( 'responsive-logo', 300, 100 );
	add_theme_support( 'site-logo', array( 'size' => 'responsive-logo' ) );
}
add_action( 'after_setup_theme', 'responsive_site_logo_init' );

/**
 * Return early if Site Logo is not available.
 */
function responsive_the_site_logo() {
	if ( ! function_exists( 'jetpack_the_site_logo' ) ) {
		return;
	} else {
		jetpack_the_site_logo();
	}
}

/**
 * Add theme support for Responsive Videos
 */
function responsive_responsive_videos_init() {
	add_theme_support( 'jetpack-responsive-videos' );
}
add_action( 'after_setup_theme', 'responsive_responsive_videos_init' );