private void OnHomeButtonPressed(object sender, RoutedEventArgs e)
{
if (!_isContentDisplayed)
{
return;
}
ScopedBatchHelper.CreateScopedBatch(_compositor, CompositionBatchTypes.Animation,
() => // Action
{
transitionBGVisual.StartAnimation(nameof(transitionBGVisual.Offset), _offsetDownAnimation);
transitionBGVisual.StartAnimation("Scale.XY", _scaleDownAnimation);
transitionBGVisual.StartAnimation(nameof(transitionBGVisual.Opacity), _fadeOutAnimation);
menuGridVisual.StartAnimation("Scale.XY", _scaleDownMenuAnimation);
menuGridVisual.StartAnimation(nameof(menuGridVisual.Opacity), _fadeInMenuAnimation);
transitionContentVisual.CenterPoint = new Vector3();
transitionContentVisual.StartAnimation(nameof(transitionBGVisual.Offset), _offsetDownAnimation);
transitionContentVisual.StartAnimation("Scale.XY", _scaleDownContentAnimation);
transitionContentVisual.StartAnimation(nameof(transitionBGVisual.Opacity), _fadeOutContentAnimation);
},
() => // Post Action
{
ElementCompositionPreview.SetElementChildVisual(CompositionGrid, null);
_isContentDisplayed = false;
ContentFrame.Content = null;
ContentContainer.Visibility = Visibility.Collapsed;
});
}
private void OnMenuButtonClicked(object sender, PointerRoutedEventArgs e)
{
var control = sender as MenuButton;
if (control == null)
{
return;
}
// Find location of control within MenuGrid
GeneralTransform coordinate = control.TransformToVisual(MenuGrid);
Point position = coordinate.TransformPoint(new Point(0, 0));
var offset = new Vector3((float)position.X, (float)position.Y, 0);
var centerPoint = new Vector3((float)(position.X + (control.Width / 2.0)),
(float)(position.Y + (control.Height / 2.0)),
0);
// MenuGrid Center Point
menuGridVisual.CenterPoint = centerPoint;
// Transition Content Visual
transitionContentVisual = ElementCompositionPreview.GetElementVisual(ContentGrid);
transitionContentVisual.Scale = new Vector3(1 / _scaleX, 1 / _scaleY, 0);
transitionContentVisual.Offset = offset;
//transitionContentVisual.CenterPoint = centerPoint;
// Transition Background Visual
transitionBGVisual = _compositor.CreateSpriteVisual();
transitionBGVisual.Brush = _compositor.CreateColorBrush(Colors.White);
transitionBGVisual.Size = new Vector2((float)ItemSize, (float)ItemSize);
transitionBGVisual.Offset = offset;
ElementCompositionPreview.SetElementChildVisual(CompositionGrid, transitionBGVisual);
// Set _offsetDownAnimation's final keyframe
_offsetDownAnimation.InsertKeyFrame(1, transitionBGVisual.Offset);
ContentFrame.Content = null;
ContentContainer.Visibility = Visibility.Visible;
ScopedBatchHelper.CreateScopedBatch(_compositor, CompositionBatchTypes.Animation,
() => // Action
{
if (_loadContentDuringAnimation)
{
ContentFrame.Navigate(control.PageType, control.AppName);
}
transitionBGVisual.StartAnimation(nameof(transitionBGVisual.Offset), _offsetUpAnimation);
transitionBGVisual.StartAnimation("Scale.XY", _scaleUpAnimation);
transitionBGVisual.StartAnimation(nameof(transitionBGVisual.Opacity), _fadeInAnimation);
menuGridVisual.StartAnimation("Scale.XY", _scaleUpMenuAnimation);
menuGridVisual.StartAnimation("Opacity", _fadeOutMenuAnimation);
transitionContentVisual.StartAnimation(nameof(transitionBGVisual.Offset), _offsetUpAnimation);
transitionContentVisual.StartAnimation("Scale.XY", _scaleUpContentAnimation);
transitionContentVisual.StartAnimation(nameof(transitionBGVisual.Opacity), _fadeInContentAnimation);
},
() => // Post Action
{
_isContentDisplayed = true;
if (!_loadContentDuringAnimation)
{
ContentFrame.Navigate(control.PageType, control.AppName);
}
});
}