Add upstream

wp-content/plugins/jetpack/modules/theme-tools/social-menu.php

@@ -0,0 +1,113 @@
+<?php
+/**
+ * Social Menu.
+ *
+ * This feature will only be activated for themes that declare their support.
+ * This can be done by adding code similar to the following during the
+ * 'after_setup_theme' action:
+ *
+ * add_theme_support( 'jetpack-social-menu' );
+ */
+
+/**
+ * Activate the Social Menu plugin.
+ *
+ * @uses current_theme_supports()
+ */
+function jetpack_social_menu_init() {
+	// Only load our code if our theme declares support
+	if ( ! current_theme_supports( 'jetpack-social-menu' ) ) {
+		return;
+	}
+
+	/*
+	 * Social Menu description.
+	 *
+	 * Rename the social menu description.
+	 *
+	 * @module theme-tools
+	 *
+	 * @since 3.9.0
+	 *
+	 * @param string $social_menu_description Social Menu description
+	 */
+	$social_menu_description = apply_filters( 'jetpack_social_menu_description', __( 'Social Menu', 'jetpack' ) );
+
+	// Register a new menu location
+	register_nav_menus(
+		array(
+			'jetpack-social-menu' => esc_html( $social_menu_description ),
+		)
+	);
+
+	// Enqueue CSS
+	add_action( 'wp_enqueue_scripts', 'jetpack_social_menu_style' );
+
+	// Load SVG icons related functions and filters
+	if ( 'svg' === jetpack_social_menu_get_type() ) {
+		require dirname( __FILE__ ) . '/social-menu/icon-functions.php';
+	}
+}
+add_action( 'after_setup_theme', 'jetpack_social_menu_init', 99 );
+
+/**
+ * Return the type of menu the theme is using.
+ *
+ * @uses get_theme_support()
+ * @return null|string $menu_type
+ */
+function jetpack_social_menu_get_type() {
+	$options = get_theme_support( 'jetpack-social-menu' );
+
+	if ( empty( $options ) ) {
+		$menu_type = null;
+	} else {
+		$menu_type = ( in_array( $options[0], array( 'genericons', 'svg' ) ) ) ? $options[0] : 'genericons';
+	}
+
+	return $menu_type;
+}
+
+/**
+ * Function to enqueue the CSS.
+ */
+function jetpack_social_menu_style() {
+	$menu_type = jetpack_social_menu_get_type();
+
+	if ( ! $menu_type ) {
+		return;
+	}
+
+	$deps = ( 'genericons' === $menu_type ) ? array( 'genericons' ) : null;
+
+	if ( has_nav_menu( 'jetpack-social-menu' ) ) {
+		wp_enqueue_style( 'jetpack-social-menu', plugins_url( 'social-menu/social-menu.css', __FILE__ ), $deps, '1.0' );
+	}
+}
+
+/**
+ * Create the function for the menu.
+ */
+function jetpack_social_menu() {
+	if ( has_nav_menu( 'jetpack-social-menu' ) ) :
+		$menu_type  = jetpack_social_menu_get_type();
+		$link_after = '</span>';
+
+		if ( 'svg' === $menu_type ) {
+			$link_after .= jetpack_social_menu_get_svg( array( 'icon' => 'chain' ) );
+		} ?>
+		<nav class="jetpack-social-navigation jetpack-social-navigation-<?php echo esc_attr( $menu_type ); ?>" role="navigation" aria-label="<?php esc_html_e( 'Social Links Menu', 'jetpack' ); ?>">
+			<?php
+				wp_nav_menu(
+					array(
+						'theme_location' => 'jetpack-social-menu',
+						'link_before'    => '<span class="screen-reader-text">',
+						'link_after'     => $link_after,
+						'depth'          => 1,
+					)
+				);
+			?>
+		</nav><!-- .jetpack-social-navigation -->
+		<?php
+	endif;
+}