register method

Implementation

void register(DigiaCEPPlugin plugin) {
  if (!_initialized) {
    _log.e('register() ignored — called before initialize(). Call '
        'Digia.initialize() first');
  }
  final previous = _activePlugin;
  if (previous != null) {
    // G6, and the order matters: everything the outgoing plugin owns settles
    // *first*, so its own outcome handlers run and hand its slot back while
    // its bridge is still alive. Only then does it tear down. Reversing these
    // two lines is exactly the leak this redesign exists to remove.
    _coordinator.detach(previous.id);
    previous.detach();
  }
  _activePlugin = plugin;
  plugin.attach(this);
  _log.i('Plugin registered (plugin=${plugin.id})',
      stage: TimelineStage.session,
      reason: TimelineReason.pluginRegistered,
      extras: {'plugin': plugin.id});
  // A plugin that attaches after FAILED must stop buffering too.
  if (_sdkState == SDKState.failed) {
    _notifyPlugin('onHostInitFailed', (plugin) => plugin.onHostInitFailed());
  }
}