fusion_responsive_ie.module in Fusion Accelerator 7.2

Provides support for media queries in Internet Explorer versions 6-8.

File

fusion_responsive_ie/fusion_responsive_ie.module

<?php

/**
 * @file
 * Provides support for media queries in Internet Explorer versions 6-8.
 */

/**
 * Implements hook_libraries_info().
 */
function fusion_responsive_ie_libraries_info() {
  $libraries['css3-mediaqueries'] = array(
    'name' => 'css3-mediaqueries.js',
    'vendor url' => 'http://code.google.com/p/css3-mediaqueries-js/',
    'version' => '1.0',
    'download url' => 'http://code.google.com/p/css3-mediaqueries-js/downloads/list',
    'files' => array(
      'js' => array(
        'css3-mediaqueries.js' => array(
          'every_page' => TRUE,
          'group' => JS_LIBRARY,
          'preprocess' => 0,
          'scope' => 'header',
          'type' => 'file',
          'weight' => -999,
        ),
      ),
    ),
  );
  return $libraries;
}

/**
 * Implements hook_init().
 */
function fusion_responsive_ie_init() {
  $default_theme = variable_get('theme_default');
  if (theme_get_setting('responsive_enabled', $default_theme) && theme_get_setting('responsive_ie_shim', $default_theme)) {
    $is_admin_page = strpos($_GET['q'], 'admin') === 0 ? TRUE : FALSE;

    // CSS aggregation is required for css3-mediaqueries.js to function properly.
    if (!variable_get('preprocess_css') && $is_admin_page) {
      drupal_set_message(t('Your responsive Fusion theme will not display properly in IE 6-8 until <a href="/admin/config/development/performance">CSS aggregation</a> is enabled.'), 'error');
    }
    $useragent = $_SERVER['HTTP_USER_AGENT'];
    $old_ie = FALSE;
    if (strpos($useragent, 'MSIE') !== FALSE && strpos($useragent, 'Opera') === FALSE && strpos($useragent, 'Netscape') === FALSE) {
      if (preg_match("/Blazer\\/([0-9]{1}\\.[0-9]{1}(\\.[0-9])?)/", $useragent, $matches)) {

        // Do not treat this as IE.  This is the Palm browser, "Blazer".
      }
      elseif (preg_match("/MSIE ([0-9]{1}\\.[0-9]{1,2})/", $useragent, $matches)) {
        if ($matches[1] > 5 && $matches[1] < 9) {
          $old_ie = TRUE;
        }
      }
    }
    if ($old_ie) {
      if (!function_exists('libraries_load') && $is_admin_page) {
        drupal_set_message(t('The 7.x-2.x branch of <a href="http://drupal.org/project/libraries">Libraries API</a> is required for support of responsive layouts in IE 8 and below.'), 'error');
      }
      else {
        $library_info = libraries_load('css3-mediaqueries');
        if ($library_info['loaded'] === FALSE && $is_admin_page) {
          drupal_set_message(t('The <a href="@link">css3-mediaqueries-js</a> library must be downloaded to support media queries in Internet Explorer prior to version 9.
               Download and save css3-mediaqueries.js into sites/all/libraries/css3-mediaqueries, and Fusion will load the library when IE is detected.', array(
            '@link' => $library_info['download url'],
          )), 'error');
        }
      }
    }
  }
}

Functions

Name	Description
fusion_responsive_ie_init	Implements hook_init().
fusion_responsive_ie_libraries_info	Implements hook_libraries_info().