handleNavigationAction method

Future<void> handleNavigationAction(String? sourceUrl, String targetUrl, WebFNavigationType navigationType)

Implementation

Future<void> handleNavigationAction(String? sourceUrl, String targetUrl, WebFNavigationType navigationType) async {
  WebFNavigationAction action = WebFNavigationAction(sourceUrl, targetUrl, navigationType);

  WebFNavigationDelegate delegate = navigationDelegate!;

  try {
    WebFNavigationActionPolicy policy = await delegate.dispatchDecisionHandler(action);
    if (policy == WebFNavigationActionPolicy.cancel) return;

    String targetPath = action.target;

    if (!Uri.parse(targetPath).isAbsolute) {
      String base = rootController.url;
      targetPath = rootController.uriParser!.resolve(Uri.parse(base), Uri.parse(targetPath)).toString();
    }

    if (action.target.trim().startsWith('#')) {
      String oldUrl = rootController.url;
      HistoryModule historyModule = rootController.module.moduleManager.getModule('History')!;
      historyModule.pushState(null, url: targetPath);
      await window.dispatchEvent(HashChangeEvent(newUrl: targetPath, oldUrl: oldUrl));
      return;
    }

    switch (action.navigationType) {
      case WebFNavigationType.navigate:
        await rootController
            .load(rootController.getPreloadBundleFromUrl(targetPath) ?? WebFBundle.fromUrl(targetPath));
        break;
      case WebFNavigationType.reload:
        await rootController.reload();
        break;
      default:
      // Navigate and other type, do nothing.
    }
  } catch (e, stack) {
    if (delegate.errorHandler != null) {
      delegate.errorHandler!(e, stack);
    } else {
      widgetLogger.warning('WebF navigation failed', e, stack);
    }
  }
}