/// <summary>
/// Called when the <c>Navigated</c> event is invoked.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="NavigationEventArgs"/> instance containing the event data.</param>
/// <remarks>
/// This method is public due to the fact that weak events are used. Otherwise, the navigation completed events
/// could not be handled (because we unsubscribed from the RootFrame) when navigating away to prevent memory
/// leaks.
/// <para />
/// Please, do not call this method yourself, otherwise you can seriously ruin your apps.
/// </remarks>
public void OnNavigatedEvent(object sender, NavigationEventArgs e)
{
if (!CanHandleNavigation)
{
return;
}
if (!CanHandleNavigationAdvanced())
{
return;
}
// If this navigation event is not meant for this page, exit
if (!e.IsNavigationForView(TargetControlType))
{
return;
}
HasHandledSaveAndCancelLogic = false;
if (_hasNavigatedButNotNavigatedAway)
{
return;
}
_hasNavigatedButNotNavigatedAway = true;
if (e.Uri != null && e.Uri.ToString().Contains("app://external"))
{
Log.Debug("Navigating away from the application, ignoring navigation");
return;
}
OnNavigated(e);
#if NETFX_CORE
var navigationContext = e.Parameter;
#elif WINDOWS_PHONE
var navigationContext = ((PhoneApplicationPage)TargetControl).NavigationContext;
#elif SILVERLIGHT
var navigationContext = e.Content;
#else
var navigationContext = e.ExtraData;
#endif
HandleNavigated(navigationContext);
}
private void OnNavigatedEvent(object sender, NavigationEventArgs e)
{
// CTL-906: clear current navication context if (re) navigating to the same view
if (e.IsNavigationForView(NavigationTargetType))
{
_lastNavigationContext = null;
}
var sourceDictionary = e.ExtraData as Dictionary <string, object>;
if (sourceDictionary == null)
{
sourceDictionary = new Dictionary <string, object>();
sourceDictionary["context"] = e.ExtraData;
}
_lastGlobalNavigationContext = sourceDictionary;
var eventArgs = new NavigatedEventArgs(e.Uri.ToString(), NavigationMode.Unknown);
HandleNavigatedEvent(eventArgs);
}
