private async Task HandleStrokeData(byte[] data, int index)
{
if (index == PhotoTimeline.CurrentItemIndex)
{
var view = PhotoTimeline.FindChildren <SlideshowSlideView>().ElementAt(index);
await view.UpdateStrokes(data);
}
}
private void UpdateSize()
{
var size = Math.Min(ActualHeight, ActualWidth) - 20;
foreach (var view in PhotoTimeline.FindChildren <SlideshowSlideView>())
{
view.Height = view.Width = size;
}
if (PhotoTimeline.TimelinePanel != null)
{
PhotoTimeline.TimelinePanel.ItemSpacing = ActualWidth / 2;
}
}
private void SlideshowSlideView_Tapped(object sender, TappedRoutedEventArgs e)
{
var view = sender as SlideshowSlideView;
var items = PhotoTimeline.FindChildren <TimelineItem>().ToList();
if (PhotoTimeline.TimelinePanel.IsLocked)
{
PhotoTimeline.TimelinePanel.IsLocked = false;
HandleIndexUpdateFromHost(_hostSlide);
for (var i = 0; i < items.Count(); i++)
{
items[i].Fade(1).Start();
items[i].IsHitTestVisible = true;
}
}
else
{
PhotoTimeline.TimelinePanel.IsLocked = true;
var photoIndex = _adventure.Photos.IndexOf(view.Photo);
var size = Math.Min(ActualWidth, ActualHeight);
float scale = (float)size / (float)view.Height;
float center = (float)view.Height / 2;
view.Scale(scale, scale, center, center, duration: 200).Start();
PhotoTimeline.CurrentItemIndex = photoIndex;
SendIndexUpdate();
for (var i = 0; i < items.Count(); i++)
{
if (i != photoIndex)
{
items[i].Fade(0, 200).Start();
items[i].IsHitTestVisible = false;
}
}
if (_selectedSlide != null && _selectedSlide != view)
{
_selectedSlide?.Scale(1, 1, center, center, 100).Start();
}
_selectedSlide = view;
}
}
private void HandleIndexUpdateFromHost(int index)
{
_hostSlide = index;
if (!PhotoTimeline.TimelinePanel.IsLocked)
{
var items = PhotoTimeline.FindChildren <TimelineItem>().ToList();
for (int i = 0; i < items.Count; i++)
{
var view = items[i].Content as SlideshowSlideView;
float center = (float)view.Height / 2;
if (i != index)
{
view.Scale(1f, 1f, centerX: center, centerY: center, duration: 200).Start();
}
else
{
view.Scale(1.2f, 1.2f, centerX: center, centerY: center, duration: 200).Start();
}
}
}
}
