function _fb_connect_add_js in Drupal for Facebook 7.3

Same name and namespace in other branches

1. 6.3 fb_connect.module \_fb_connect_add_js()
2. 6.2 fb_connect.module \_fb_connect_add_js()

This wrapper function around drupal_add_js() ensures that our settings are added once and only once when needed.

2 calls to _fb_connect_add_js()

fb_connect_app_init in ./fb_connect.module

Prepare for fbConnect use. Because a single Drupal might support multiple apps, we don't know in advance which is the fbConnect app.

fb_connect_fb in ./fb_connect.module

Implements hook_fb().

File

./fb_connect.module, line 126

Support for Facebook Connect features

Code

function _fb_connect_add_js($fb_app, $fb) {
  $just_once =& drupal_static(__FUNCTION__);
  if (fb_is_tab()) {

    // Tabs are FBML.
    return;
  }
  if (!isset($just_once)) {

    // Drupal is inconsistent about appending a '/' at the end of urls.
    $front_url = url('<front>');
    $front_url .= substr($front_url, -1) == '/' ? '' : '/';
    drupal_add_js(array(
      'fb_connect' => array(
        'front_url' => $front_url,
        'fbu' => fb_facebook_user(),
        'uid' => $GLOBALS['user']->uid,
      ),
    ), 'setting');
    drupal_add_js(drupal_get_path('module', 'fb_connect') . '/fb_connect.js');
    $just_once = TRUE;
  }

  // If we are not the global $_fb_app
  if ($fb_app) {
    $settings = fb_js_settings();
    if (!isset($settings['fb_init_settings']['appId']) || $settings['fb_init_settings']['appId'] != $fb_app->id) {

      // Ensure JS initializes with the proper apikey.  We may reach this if
      // there is no "primary" app.
      // @TODO fb.module should have a helper to make this cleaner.
      $settings['fb_init_settings']['appId'] = $fb_app->id;
      fb_js_settings('apikey', $fb_app->apikey);
      fb_js_settings('fbu', fb_facebook_user($fb));
      fb_js_settings('fb_init_settings', $settings['fb_init_settings']);

      // fb.module will add settings to footer.
    }
  }
}