protected override void OnBindingContextChanged()
{
base.OnBindingContextChanged();
WebViewSource source = Source;
if (source != null)
{
SetInheritedBindingContext(source, BindingContext);
}
}
protected override void OnPropertyChanged(string propertyName)
{
if (propertyName == "BindingContext")
{
WebViewSource source = Source;
if (source != null)
{
SetInheritedBindingContext(source, BindingContext);
}
}
base.OnPropertyChanged(propertyName);
}
protected WebNavigationEventArgs(WebNavigationEvent navigationEvent, WebViewSource source, string url)
{
NavigationEvent = navigationEvent;
Source = source;
Url = url;
}
static Uri GetSourceUrl (WebViewSource source)
{
Debug.Assert (source != null, "source cannot be null.");
var urlWebViewSource = source as UrlWebViewSource;
if (urlWebViewSource != null) {
if (urlWebViewSource.Url.IsValidAbsoluteUrl ()) {
return new Uri (urlWebViewSource.Url);
}
}
throw new InvalidOperationException ("WebViewSource is Invalid. Only UrlWebViewSource is accepted.");
}
protected WebNavigationEventArgs(WebNavigationEvent navigationEvent, WebViewSource source, string url)
{
NavigationEvent = navigationEvent;
Source = source;
Url = url;
}