function advagg_js_cdn_advagg_js_pre_alter in Advanced CSS/JS Aggregation 6

Same name and namespace in other branches

1. 7 advagg_js_cdn/advagg_js_cdn.module \advagg_js_cdn_advagg_js_pre_alter()

Implement hook_advagg_js_pre_alter.

File

advagg_js_cdn/advagg_js_cdn.module, line 27

Advanced aggregation js cdn library module.

Code

function advagg_js_cdn_advagg_js_pre_alter(&$javascript, $preprocess_js, $public_downloads, $scope) {

  // Exit early if we are not going to CDN any code.
  $cdn_jquery = variable_get('advagg_js_cdn_jquery', ADVAGG_JS_CDN_JQUERY);
  $cdn_jquery_ui = variable_get('advagg_js_cdn_jquery_ui', ADVAGG_JS_CDN_JQUERY_UI);
  $cdn_swfobject = variable_get('advagg_js_cdn_swfobject', ADVAGG_JS_CDN_SWFOBJECT);
  if (!$cdn_jquery && !$cdn_jquery_ui && !$cdn_swfobject) {
    return FALSE;
  }

  // Set filepaths/versions
  $jquery_version = variable_get('advagg_js_cdn_jquery_version', '1.2.6');
  $jquery_filepath = 'misc/jquery.js';
  if (module_exists('jquery_update') && variable_get('jquery_update_replace', TRUE)) {

    // jquery_update_get_version hits disk and doesn't get cached.
    // advagg_js_cdn_advagg_js_pre_alter will run mutiple times per request so
    // caching the value of $jquery_update_version here.
    static $jquery_update_version;
    if (empty($jquery_update_version)) {
      $jquery_update_version = variable_get('advagg_js_cdn_jquery_update_version', jquery_update_get_version());
    }
    $jquery_update_filepath = advagg_js_cdn_get_jquery_path();
  }
  if (module_exists('jquery_ui')) {

    // jquery_ui_get_version hits disk and doesn't get cached.
    // advagg_js_cdn_advagg_js_pre_alter will run mutiple times per request so
    // caching the value of jquery_ui_get_version here.
    static $jquery_ui_version;
    if (empty($jquery_ui_version)) {
      $jquery_ui_version = jquery_ui_get_version();
    }
    $jquery_ui_path = advagg_js_cdn_get_jquery_ui_path();
  }
  if (module_exists('swftools')) {
    $swfobject_version = variable_get('advagg_js_cdn_swfobject_version', '2.2');
    if (function_exists('swftools_get_player_path')) {
      $swfobject_filepath = swftools_get_player_path() . '/swfobject2/swfobject.js';
    }
    elseif (function_exists('swftools_get_library')) {
      $swfobject_filepath = swftools_get_library('swfobject') . '/swfobject.js';
    }
  }

  // http or https.
  $schema = advagg_get_server_schema();
  foreach ($javascript as $type => $data) {

    // Skip inline and setting js.
    if (!$data || $type == 'setting' || $type == 'inline') {
      continue;
    }

    // Search and replace.
    foreach ($data as $path => $info) {

      // jquery.js
      if ($cdn_jquery) {
        if (isset($jquery_update_filepath) && ($path == $jquery_update_filepath . '/jquery.min.js' || $path == $jquery_update_filepath . '/jquery.js')) {
          $info['preprocess'] = FALSE;
          $javascript['external'][$schema . '://ajax.googleapis.com/ajax/libs/jquery/' . $jquery_update_version . '/jquery.min.js'] = $info;
          unset($javascript[$type][$path]);
        }
        elseif ($path == $jquery_filepath) {
          $info['preprocess'] = FALSE;
          $javascript['external'][$schema . '://ajax.googleapis.com/ajax/libs/jquery/' . $jquery_version . '/jquery.min.js'] = $info;
          unset($javascript[$type][$path]);
        }
      }

      // Replace all jquery_ui scripts (jquery.ui.*.js) with a single
      // Google-hosted minified version containing all of them.
      if ($cdn_jquery_ui) {
        if (isset($jquery_ui_path) && isset($jquery_ui_version) && strpos($path, $jquery_ui_path) === 0) {
          $info['preprocess'] = FALSE;
          $javascript['external'][$schema . '://ajax.googleapis.com/ajax/libs/jqueryui/' . $jquery_ui_version . '/jquery-ui.min.js'] = $info;
          unset($javascript[$type][$path]);
        }
      }

      // swfobject.js
      if ($cdn_swfobject) {
        if (isset($swfobject_filepath) && $path == $swfobject_filepath) {
          $info['preprocess'] = FALSE;
          $javascript['external'][$schema . '://ajax.googleapis.com/ajax/libs/swfobject/' . $swfobject_version . '/swfobject.js'] = $info;
          unset($javascript[$type][$path]);
        }
      }
    }
  }
}