function esi_theme_registry_alter in ESI: Edge Side Includes 6.2

Implementation of hook_theme_registry_alter(). Override theme('blocks') to apply our ESI handler.

File

./esi.module, line 70

Adds support for ESI (Edge-Side-Include) integration, allowing blocks to be\ delivered by ESI, with support for per-block cache times.

Code

function esi_theme_registry_alter(&$theme_registry) {
  if (!variable_get('esi_mode', ESI_MODE)) {
    return;
  }
  $path = drupal_get_path('module', 'esi');
  $panels_callbacks = array(
    'block',
    'panels_pane',
    'panels_stylizer_stylizer_style_render_pane',
    'panels_rounded_corners_style_render_pane',
  );
  foreach ($panels_callbacks as $pane_callback) {

    // override the default theme function for theme('panels_pane').
    if (isset($theme_registry[$pane_callback])) {
      $theme_registry['esi_alt_' . $pane_callback] = $theme_registry[$pane_callback];
      $theme_registry[$pane_callback]['function'] = 'esi_theme_' . $pane_callback;
      $theme_registry[$pane_callback]['file'] = 'esi.theme.inc';
      $theme_registry[$pane_callback]['include files'] = array(
        "./{$path}/esi.theme.inc",
      );
      $theme_registry[$pane_callback]['theme path'] = $path;
      $theme_registry[$pane_callback]['theme paths'] = array(
        $path,
      );
    }
  }
  if (module_exists('context')) {
    $name = 'context';
    $context_path = drupal_get_path('module', $name) . '/' . $name . '.info';
    $info = drupal_parse_info_file($context_path);
    if (isset($info['version']) && strpos($info['version'], '6.x-3.') !== FALSE) {
      return;
    }
  }

  // override the default theme function for theme('blocks').
  $theme_registry['blocks']['function'] = 'esi__theme_blocks';
  $theme_registry['blocks']['file'] = 'esi.theme.inc';
  $theme_registry['blocks']['include files'] = array(
    "./{$path}/esi.theme.inc",
  );
  $theme_registry['blocks']['theme path'] = $path;
  $theme_registry['blocks']['theme paths'] = array(
    $path,
  );
}