/**

private static $instance = null;

/**

private $jetpack;

static function init() {

if ( is_null( self::$instance ) ) {

self::$instance = new Jetpack_Admin;

}

return self::$instance;

}

private function __construct() {

$this->jetpack = Jetpack::init();

jetpack_require_lib( 'admin-pages/class.jetpack-react-page' );

$this->jetpack_react = new Jetpack_React_Page;

jetpack_require_lib( 'admin-pages/class.jetpack-settings-page' );

$this->fallback_page = new Jetpack_Settings_Page;

add_action( 'admin_menu', array( $this->jetpack_react, 'add_actions' ), 998 );

add_action( 'jetpack_admin_menu', array( $this->jetpack_react, 'jetpack_add_dashboard_sub_nav_item' ) );

add_action( 'jetpack_admin_menu', array( $this->jetpack_react, 'jetpack_add_settings_sub_nav_item' ) );

add_action( 'jetpack_admin_menu', array( $this, 'admin_menu_debugger' ) );

add_action( 'jetpack_admin_menu', array( $this->fallback_page, 'add_actions' ) );

// Add redirect to current page for activation/deactivation of modules

add_action( 'jetpack_pre_activate_module', array( $this, 'fix_redirect' ), 10, 2 );

add_action( 'jetpack_pre_deactivate_module', array( $this, 'fix_redirect' ) );

// Add module bulk actions handler

add_action( 'jetpack_unrecognized_action', array( $this, 'handle_unrecognized_action' ) );

}

static function sort_requires_connection_last( $module1, $module2 ) {

if ( $module1['requires_connection'] == $module2['requires_connection'] ) {

return 0;

} elseif ( $module1['requires_connection'] ) {

return 1;

} elseif ( $module2['requires_connection'] ) {

return -1;

}

return 0;

}

// Produce JS understandable objects of modules containing information for

// presentation like description, name, configuration url, etc.

function get_modules() {

include_once( JETPACK__PLUGIN_DIR . 'modules/module-info.php' );

$available_modules = $this->jetpack->get_available_modules();

$active_modules = $this->jetpack->get_active_modules();

$modules = array();

$jetpack_active = Jetpack::is_active() || Jetpack::is_development_mode();

foreach ( $available_modules as $module ) {

if ( $module_array = $this->jetpack->get_module( $module ) ) {

/**

$short_desc = apply_filters( 'jetpack_short_module_description', $module_array['description'], $module );

// Fix: correct multibyte strings truncate with checking for mbstring extension

$short_desc_trunc = ( function_exists( 'mb_strlen' ) )

? ( ( mb_strlen( $short_desc ) > 143 )

? mb_substr( $short_desc, 0, 140 ) . '...'

: $short_desc )

: ( ( strlen( $short_desc ) > 143 )

? substr( $short_desc, 0, 140 ) . '...'

: $short_desc );

$module_array['module'] = $module;

$module_array['activated'] = ( $jetpack_active ? in_array( $module, $active_modules ) : false );

$module_array['deactivate_nonce'] = wp_create_nonce( 'jetpack_deactivate-' . $module );

$module_array['activate_nonce'] = wp_create_nonce( 'jetpack_activate-' . $module );

$module_array['available'] = self::is_module_available( $module_array );

$module_array['short_description'] = $short_desc_trunc;

$module_array['configure_url'] = Jetpack::module_configuration_url( $module );

ob_start();

/**

do_action( 'jetpack_learn_more_button_' . $module );

$module_array['learn_more_button'] = ob_get_clean();

ob_start();

/**

do_action( 'jetpack_module_more_info_' . $module );

/**

$module_array['long_description'] = apply_filters( 'jetpack_long_module_description', ob_get_clean(), $module );

ob_start();

/**

echo apply_filters( 'jetpack_search_terms_' . $module, $module_array['additional_search_queries'] );

$module_array['search_terms'] = ob_get_clean();

$module_array['configurable'] = false;

if (

current_user_can( 'manage_options' ) &&

/**

apply_filters( 'jetpack_module_configurable_' . $module, false )

) {

$module_array['configurable'] = sprintf( '<a href="%1$s">%2$s</a>', esc_url( Jetpack::module_configuration_url( $module ) ), __( 'Configure', 'jetpack' ) );

}

$modules[ $module ] = $module_array;

}

}

uasort( $modules, array( $this->jetpack, 'sort_modules' ) );

if ( ! Jetpack::is_active() ) {

uasort( $modules, array( __CLASS__, 'sort_requires_connection_last' ) );

}

return $modules;

}

static function is_module_available( $module ) {

if ( ! is_array( $module ) || empty( $module ) )

return false;

/**

if ( 'vaultpress' === $module['module'] ) {

return false;

}

if ( Jetpack::is_development_mode() ) {

return ! ( $module['requires_connection'] );

} else {

return Jetpack::is_active();

}

}

function handle_unrecognized_action( $action ) {

switch( $action ) {

case 'bulk-activate' :

if ( ! current_user_can( 'jetpack_activate_modules' ) ) {

break;

}

$modules = (array) $_GET['modules'];

$modules = array_map( 'sanitize_key', $modules );

check_admin_referer( 'bulk-jetpack_page_jetpack_modules' );

foreach( $modules as $module ) {

Jetpack::log( 'activate', $module );

Jetpack::activate_module( $module, false );

}

// The following two lines will rarely happen, as Jetpack::activate_module normally exits at the end.

wp_safe_redirect( wp_get_referer() );

exit;

case 'bulk-deactivate' :

if ( ! current_user_can( 'jetpack_deactivate_modules' ) ) {

break;

}

$modules = (array) $_GET['modules'];

$modules = array_map( 'sanitize_key', $modules );

check_admin_referer( 'bulk-jetpack_page_jetpack_modules' );

foreach ( $modules as $module ) {

Jetpack::log( 'deactivate', $module );

Jetpack::deactivate_module( $module );

Jetpack::state( 'message', 'module_deactivated' );

}

Jetpack::state( 'module', $modules );

wp_safe_redirect( wp_get_referer() );

exit;

default:

return;

}

}

function fix_redirect( $module, $redirect = true ) {

if ( ! $redirect ) {

return;

}

if ( wp_get_referer() ) {

add_filter( 'wp_redirect', 'wp_get_referer' );

}

}

function admin_menu_debugger() {

$debugger_hook = add_submenu_page( null, __( 'Jetpack Debugging Center', 'jetpack' ), '', 'manage_options', 'jetpack-debugger', array( $this, 'debugger_page' ) );

add_action( "admin_head-$debugger_hook", array( 'Jetpack_Debugger', 'jetpack_debug_admin_head' ) );

}

function debugger_page() {

nocache_headers();

if ( ! current_user_can( 'manage_options' ) ) {

die( '-1' );

}

Jetpack_Debugger::jetpack_debug_display_handler();

}