AndroidNavigationDelegate constructor

AndroidNavigationDelegate(PlatformNavigationDelegateCreationParams params)

Creates a new AndroidNavigationDelegate.

Implementation

AndroidNavigationDelegate(PlatformNavigationDelegateCreationParams params)
    : super.implementation(params is AndroidNavigationDelegateCreationParams
    ? params
    : AndroidNavigationDelegateCreationParams
    .fromPlatformNavigationDelegateCreationParams(params)) {
  final WeakReference<AndroidNavigationDelegate> weakThis =
  WeakReference<AndroidNavigationDelegate>(this);

  _webViewClient = (this.params as AndroidNavigationDelegateCreationParams)
      .androidWebViewProxy
      .createAndroidWebViewClient(
    onPageFinished: (android_webview.WebView webView, String url) {
      final PageEventCallback? callback = weakThis.target?._onPageFinished;
      if (callback != null) {
        callback(url);
      }
    },
    onPageStarted: (android_webview.WebView webView, String url) {
      final PageEventCallback? callback = weakThis.target?._onPageStarted;
      if (callback != null) {
        callback(url);
      }
    },
    onReceivedRequestError: (
        android_webview.WebView webView,
        android_webview.WebResourceRequest request,
        android_webview.WebResourceError error,
        ) {
      final WebResourceErrorCallback? callback =
          weakThis.target?._onWebResourceError;
      if (callback != null) {
        callback(AndroidWebResourceError._(
          errorCode: error.errorCode,
          description: error.description,
          failingUrl: request.url,
          isForMainFrame: request.isForMainFrame,
        ));
      }
    },
    onReceivedError: (
        android_webview.WebView webView,
        int errorCode,
        String description,
        String failingUrl,
        ) {
      final WebResourceErrorCallback? callback =
          weakThis.target?._onWebResourceError;
      if (callback != null) {
        callback(AndroidWebResourceError._(
          errorCode: errorCode,
          description: description,
          failingUrl: failingUrl,
          isForMainFrame: true,
        ));
      }
    },
    requestLoading: (
        android_webview.WebView webView,
        android_webview.WebResourceRequest request,
        ) {
      weakThis.target?._handleNavigation(
        request.url,
        headers: request.requestHeaders,
        isForMainFrame: request.isForMainFrame,
      );
    },
    urlLoading: (android_webview.WebView webView, String url) {
      weakThis.target?._handleNavigation(url, isForMainFrame: true);
    },
    doUpdateVisitedHistory: (
        android_webview.WebView webView,
        String url,
        bool isReload,
        ) {
      final UrlChangeCallback? callback = weakThis.target?._onUrlChange;
      if (callback != null) {
        callback(AndroidUrlChange(url: url, isReload: isReload));
      }
    },
  );

  _downloadListener = (this.params as AndroidNavigationDelegateCreationParams)
      .androidWebViewProxy
      .createDownloadListener(
    onDownloadStart: (
        String url,
        String userAgent,
        String contentDisposition,
        String mimetype,
        int contentLength,
        ) {
      if (weakThis.target != null) {
        weakThis.target?._handleNavigation(url, isForMainFrame: true);
      }
    },
  );
}