public IPageDefinitionRegistry RegisterPageDefinition(PageDefinition pageDefinition)
{
if (pageDefinition == null)
{
throw new ArgumentNullException("pageDefinition");
}
_pageDefinitions[pageDefinition.ViewName] = pageDefinition;
return(this);
}
private Task NotifyNavigating(CancellationToken ct, PageDefinition pageDefinition, INavigationRequest request)
{
return(Observable.FromEventPattern <NavigatingCancelEventHandler, NavigatingCancelEventArgs>(h => _frame.Navigating += h, h => _frame.Navigating -= h)
.SubscribeOn(_dispatcherScheduler)
.Where(args => args.EventArgs.Uri == pageDefinition.Uri && args.EventArgs.NavigationMode == NavigationMode.New)
.Do(_ => _navigatingSubject.OnNext(request))
.Take(1)
.SelectUnit()
.ToTask(ct));
}
private IObservable <FrameworkElement> SetPageDataContext(PageDefinition pageDefinition, IViewModel viewModel)
{
var sw = new System.Diagnostics.Stopwatch();
return(Observable.FromEventPattern <NavigatedEventHandler, NavigationEventArgs>(h => _frame.Navigated += h, h => _frame.Navigated -= h)
.SubscribeOn(_dispatcherScheduler)
.Where(args => args.EventArgs.Uri == pageDefinition.Uri)
.Select(args => ((FrameworkElement)args.EventArgs.Content))
.Do(_ => sw.Start())
.Do(page => page.DataContext = viewModel)
.Do(_ => System.Diagnostics.Debug.WriteLine(sw.ElapsedMilliseconds))
.Take(1));
}
public IPageDefinitionRegistry RegisterPageDefinition(PageDefinition pageDefinition)
{
if (pageDefinition == null) throw new ArgumentNullException("pageDefinition");
_pageDefinitions[pageDefinition.ViewName] = pageDefinition;
return this;
}
private IObservable<FrameworkElement> SetPageDataContext(PageDefinition pageDefinition, IViewModel viewModel)
{
var sw = new System.Diagnostics.Stopwatch();
return Observable.FromEventPattern<NavigatedEventHandler, NavigationEventArgs>(h => _frame.Navigated += h, h => _frame.Navigated -= h)
.SubscribeOn(_dispatcherScheduler)
.Where(args => args.EventArgs.Uri == pageDefinition.Uri)
.Select(args => ((FrameworkElement)args.EventArgs.Content))
.Do(_ => sw.Start())
.Do(page => page.DataContext = viewModel)
.Do(_ => System.Diagnostics.Debug.WriteLine(sw.ElapsedMilliseconds))
.Take(1);
}
private Task NotifyNavigating(CancellationToken ct, PageDefinition pageDefinition, INavigationRequest request)
{
return Observable.FromEventPattern<NavigatingCancelEventHandler, NavigatingCancelEventArgs>(h => _frame.Navigating += h, h => _frame.Navigating -= h)
.SubscribeOn(_dispatcherScheduler)
.Where(args => args.EventArgs.Uri == pageDefinition.Uri && args.EventArgs.NavigationMode == NavigationMode.New)
.Do(_ => _navigatingSubject.OnNext(request))
.Take(1)
.SelectUnit()
.ToTask(ct);
}
private IObservable<FrameworkElement> SetPageDataContext(PageDefinition pageDefinition, IViewModel viewModel)
{
return Observable.FromEventPattern<NavigatedEventHandler, NavigationEventArgs>(h => _frame.Navigated += h, h => _frame.Navigated -= h, _dispatcherScheduler)
.Where(args => args.EventArgs.SourcePageType == pageDefinition.PageType)
.Select(args => ((FrameworkElement)args.EventArgs.Content))
.Do(page => page.DataContext = viewModel)
.Take(1);
}
