function fb_connect_footer in Drupal for Facebook 6.2

Same name and namespace in other branches

1. 5.2 fb_connect.module \fb_connect_footer()

Include facebook javascript in the footer of the current page.

File

./fb_connect.module, line 428

Support for Facebook Connect features

Code

function fb_connect_footer($is_front) {

  // Do nothing on FBML pages
  if (fb_is_fbml_canvas()) {
    return;
  }
  global $base_path;
  $fb_feature_src = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' && !variable_get('fb_force_no_ssl', FALSE) ? "https://ssl.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php" : "http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php";
  $feature_data = fb_connect_require_feature();
  $option_data = fb_connect_init_option();
  if (count($feature_data)) {
    foreach ($feature_data as $data) {

      // Give other modules a chance to add javascript which executes after init.
      $extra = fb_invoke(FB_OP_CONNECT_JS_INIT, $data, array());
      $extra_js = implode("\n", $extra);
      $fb_app = $data['fb_app'];
      $features = $data['features'];
      $options = json_encode($option_data[$fb_app->apikey]);

      // Hack!  What's the way to json_encode a function name?
      $options = str_replace('"{', '', $options);
      $options = str_replace('}"', '', $options);

      // drupal_add_js cannot add external javascript, so we use hook_footer instead.
      $output = '<script src="' . $fb_feature_src . '" type="text/javascript"></script>';
      $output .= "\n";
      $feature_list = '["' . implode('","', $features) . '"]';

      // Put together the URL for the receiver.  The prefix must be identical to the apps connect URL.

      //$receiver = fb_connect_get_connect_url($fb_app) . "fb_connect/receiver"; // OLD WAY. XXX
      $receiver = variable_get('fb_xd_receiver', url(drupal_get_path('module', 'fb') . '/fb_receiver.html', array(
        'absolute' => TRUE,
      )));
      $output .= "\n<script type=\"text/javascript\">\n  \$(document).ready(function() {\n    FB_RequireFeatures({$feature_list}, function () {\n\n      //FB.FBDebug.logLevel = 4;\n      //FB.FBDebug.isEnabled = true;\n\n      FB.XFBML.Host.autoParseDomTree = false;\n\n      FB.init(\"{$fb_app->apikey}\", \"{$receiver}\", {$options});\n    });\n  });\n";

      // Extra JS after successful fbConnect init.
      $output .= "\n  FB.ensureInit(function()\n    {\n      FB_Connect.init();\n      {$extra_js}\n    });\n";
      $output .= "\n</script>\n";
    }
  }
  return $output;
}