private async void Weather_ManipulationDelta(object sender, Windows.UI.Xaml.Input.ManipulationDeltaRoutedEventArgs e)
{
if (e.IsInertial && !_isSwiped && !_animationRunning)
{
var distance = e.Cumulative.Translation.X;
if (Math.Abs(distance) <= 2)
{
return;
}
_isSwiped = true;
var translateTransform = CurrentWeatherGrid.RenderTransform = new TranslateTransform();
Storyboard storyboard = new Storyboard();
DoubleAnimationUsingKeyFrames animationKeyFrames = new DoubleAnimationUsingKeyFrames();
var keyFrame = new LinearDoubleKeyFrame();
keyFrame.KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(750));
keyFrame.Value = distance > 0 ? ActualWidth : -ActualWidth;
animationKeyFrames.KeyFrames.Add(keyFrame);
keyFrame = new LinearDoubleKeyFrame();
keyFrame.KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(751));
keyFrame.Value = distance > 0 ? -ActualWidth : ActualWidth;
animationKeyFrames.KeyFrames.Add(keyFrame);
keyFrame = new LinearDoubleKeyFrame();
keyFrame.KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(1500));
keyFrame.Value = 0;
animationKeyFrames.KeyFrames.Add(keyFrame);
Storyboard.SetTargetProperty(animationKeyFrames, "X");
Storyboard.SetTarget(animationKeyFrames, translateTransform);
storyboard.Children.Add(animationKeyFrames);
storyboard.Completed += Animation_Completed;
_animationRunning = true;
storyboard.Begin();
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
await Task.Delay(751);
if (distance > 0)
{
_viewModel.SwitchDay(false);
}
else
{
_viewModel.SwitchDay(true);
}
});
}
}
