public void RegisterNavigationEvents(WebView xamlWebView)
{
_parentWebView = xamlWebView;
LoadStarted += (s, e) =>
{
var args = new WebViewNavigationStartingEventArgs()
{
Cancel = false,
Uri = Request.Url.ToUri() ?? _parentWebView.Source
};
_parentWebView.OnNavigationStarting(args);
if (args.Cancel)
{
StopLoading();
}
};
LoadError += (s, e) =>
{
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Error))
{
this.Log().ErrorFormat("Could not navigate to web page: {0}", e.Error.LocalizedDescription);
}
WebErrorStatus status;
var code = (NSUrlError)(int)e.Error.Code;
switch (code)
{ //Mapping known errors
case NSUrlError.CannotFindHost:
status = WebErrorStatus.CannotConnect;
break;
case NSUrlError.Cancelled:
//ignore completely
return; //http://stackoverflow.com/questions/1024748/how-do-i-fix-nsurlerrordomain-error-999-in-iphone-3-0-os
default:
status = (WebErrorStatus)code; // Where codes are identical (eg. 400, 401...)
break;
}
//In windows NavigationFailed is called after NavigationCompleted - go figure
_parentWebView.OnNavigationFailed(new WebViewNavigationFailedEventArgs()
{
Uri = Request.Url.ToUri() ?? _parentWebView.Source,
WebErrorStatus = status
});
_parentWebView.OnComplete(Request.Url.ToUri(), false, status);
};
LoadFinished += (s, e) =>
{
//Http Status is not exposed. NavigationFailed will not be called on a 404 for example and the status will be UNKNOWN
//http://stackoverflow.com/questions/14451012/uiwebview-not-go-to-didfailloadwitherror-when-weblink-not-found
_parentWebView.OnComplete(Request.Url.ToUri(), isSuccessful: true, status: WebErrorStatus.Unknown);
};
}
