<?php
/**
 * Jetpack Compatibility File
 * See: http://jetpack.com/
 *
 * @package Franklin
 */

/**
 * Add theme support for Infinite Scroll.
 * See: http://jetpack.com/support/infinite-scroll/
 */
function franklin_jetpack_setup() {
	add_theme_support( 'infinite-scroll', array(
		'footer_widgets' => array( 'sidebar-2', 'sidebar-3', 'sidebar-4' ),
		'footer'         => 'page',
		'container'      => 'main',
	) );
}
add_action( 'after_setup_theme', 'franklin_jetpack_setup' );

/**
 * Add support for the Site Logo
 * See: http://jetpack.com/support/site-logo/
 */
function franklin_site_logo_init() {
	add_image_size( 'franklin-logo', 270, 270 );
	add_theme_support( 'site-logo', array( 'size' => 'franklin-logo' ) );
}
add_action( 'after_setup_theme', 'franklin_site_logo_init' );

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

/**
 * Return early if Breadcrumbs are not available.
 */
function franklin_breadcrumbs() {
	if ( function_exists( 'jetpack_breadcrumbs' ) ) {
		jetpack_breadcrumbs();
	} else {
		return;
	}
}

/**
 * Add theme support for Responsive Videos
 * @see http://jetpack.com/support/responsive-videos/
 */
function franklin_responsive_videos_init() {
	add_theme_support( 'jetpack-responsive-videos' );
}
add_action( 'after_setup_theme', 'franklin_responsive_videos_init' );

/**
 * Add theme support for Content Options.
 * @see http://jetpack.com/support/content-options/
 */
function franklin_content_options_init() {
	add_theme_support( 'jetpack-content-options', array(
		'blog-display'    => 'content',
		'post-details'    => array(
			'stylesheet' => 'franklin-style',
			'date'       => '.post-meta li.posted-on',
			'categories' => '.post-categories',
			'tags'       => '.post-tags',
			'author'     => '.post-meta li.author',
		),
		'featured-images' => array(
			'archive'          => true,
			'post'             => true,
			'page'             => true,
			'fallback'         => true,
			'fallback-default' => false,
		),
	) );
}
add_action( 'after_setup_theme', 'franklin_content_options_init' );


/**
 * Custom function to check for a post thumbnail;
 * If Jetpack is not available, fall back to has_post_thumbnail()
 */
function franklin_has_post_thumbnail( $post = null ) {
	if ( function_exists( 'jetpack_has_featured_image' ) ) {
		return jetpack_has_featured_image( $post );
	} else {
		return has_post_thumbnail( $post );
	}
}