/// <summary>
/// Fade out opacity of the window, let the progress ring disappear and set to visible the NoMouvieFound label when movies are loaded
/// </summary>
/// <param name="sender">Sender object</param>
/// <param name="e">EventArgs</param>
private void OnMoviesLoaded(object sender, NumberOfLoadedMoviesEventArgs e)
{
// We have to deal with the DispatcherHelper, otherwise we're having the classic cross-thread access exception
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
// We exclude exceptions like TaskCancelled when getting back results
if ((e.NumberOfMovies == 0 && !e.IsExceptionThrown) || (e.NumberOfMovies != 0 && !e.IsExceptionThrown))
{
ProgressRing.IsActive = false;
#region Fade out opacity
DoubleAnimationUsingKeyFrames opacityAnimation = new DoubleAnimationUsingKeyFrames();
opacityAnimation.Duration = new Duration(TimeSpan.FromSeconds(0.5));
PowerEase opacityEasingFunction = new PowerEase();
opacityEasingFunction.EasingMode = EasingMode.EaseInOut;
EasingDoubleKeyFrame startOpacityEasing = new EasingDoubleKeyFrame(0.2, KeyTime.FromPercent(0));
EasingDoubleKeyFrame endOpacityEasing = new EasingDoubleKeyFrame(1, KeyTime.FromPercent(1.0),
opacityEasingFunction);
opacityAnimation.KeyFrames.Add(startOpacityEasing);
opacityAnimation.KeyFrames.Add(endOpacityEasing);
ItemsList.BeginAnimation(OpacityProperty, opacityAnimation);
#endregion
}
var vm = DataContext as MoviesViewModel;
if (vm != null)
{
// If we searched movies and there's no result, display the NoMovieFound label (we exclude exceptions like TaskCancelled when getting back results)
if (!vm.Movies.Any() && e.NumberOfMovies == 0 && !e.IsExceptionThrown)
{
NoMouvieFound.Visibility = Visibility.Visible;
}
}
});
}
/// <summary>
/// Fade in opacity of the window, let the progress ring appear and collapse the NoMouvieFound label when loading movies
/// </summary>
/// <param name="sender">Sender object</param>
/// <param name="e">EventArgs</param>
private void OnMoviesLoading(object sender, EventArgs e)
{
// We have to deal with the DispatcherHelper, otherwise we're having the classic cross-thread access exception
DispatcherHelper.CheckBeginInvokeOnUI(() =>
{
ProgressRing.IsActive = true;
#region Fade in opacity
DoubleAnimationUsingKeyFrames opacityAnimation = new DoubleAnimationUsingKeyFrames();
opacityAnimation.Duration = new Duration(TimeSpan.FromSeconds(0.5));
PowerEase opacityEasingFunction = new PowerEase();
opacityEasingFunction.EasingMode = EasingMode.EaseInOut;
EasingDoubleKeyFrame startOpacityEasing = new EasingDoubleKeyFrame(1, KeyTime.FromPercent(0));
EasingDoubleKeyFrame endOpacityEasing = new EasingDoubleKeyFrame(0.2, KeyTime.FromPercent(1.0),
opacityEasingFunction);
opacityAnimation.KeyFrames.Add(startOpacityEasing);
opacityAnimation.KeyFrames.Add(endOpacityEasing);
ItemsList.BeginAnimation(OpacityProperty, opacityAnimation);
#endregion
if (NoMouvieFound.Visibility == Visibility.Visible)
{
NoMouvieFound.Visibility = Visibility.Collapsed;
}
});
}