<?php

/**
 * @file
 * Sub-module to provide $is_mobile and $is_table to preprocess and templates.
 */


/**
 * Implements template_preprocess().
 */
function mobile_detect_variables_preprocess(&$variables, $hook) {
  switch ($hook) {
    case 'html':   
    case 'node':
    case 'page':
    case 'region':  
    case 'zone':
      $static = &drupal_static(__FUNCTION__);
      
      if (empty($static)) {
        $detect = mobile_detect_get_object();
        $static = array();
        
        if (!isset($detect)) {
          $static['is_mobile'] = NULL;
          $static['is_tablet'] = NULL;
          $static['is_handheld'] = NULL;
        }
         else {
          $static['is_mobile'] = $detect->isMobile();
          $static['is_tablet'] = $detect->isTablet();
          $static['is_handheld'] = $detect->isMobile() && !$detect->isTablet();
        }
      }
      
      $variables['is_mobile'] = $static['is_mobile'];
      $variables['is_tablet'] = $static['is_tablet'];
      $variables['is_handheld'] = $static['is_handheld'];

      break; 
  }
}