void RecalculatePositionsAndScroll()
{
_updateScrollPosition = new Point((int)_scrollingService.ScrollPositionX, (int)_scrollingService.ScrollPositionY);
Point position = new Point(-_updateScrollPosition.X, -_updateScrollPosition.Y);
for (int idx = 0; idx < _itemViews.Count; ++idx)
{
UiView view = _itemViews[idx];
bool shouldRecalc = view.ShouldRecalc(false, false);
Rectangle bounds = shouldRecalc ? CalculateItemBounds(view) : view.Bounds;
Point size = bounds.Size;
if (_vertical)
{
bounds.Height = size.Y;
bounds.Y = position.Y + view.PositionParameters.Margin.Top;
position.Y = bounds.Bottom + view.PositionParameters.Margin.Bottom;
}
else
{
bounds.Width = size.X;
bounds.X = position.X + view.PositionParameters.Margin.Left;
position.X = bounds.Right + view.PositionParameters.Margin.Right;
}
if (shouldRecalc)
{
view.Bounds = bounds;
view.ViewUpdate(0);
}
else
{
Point offset = bounds.Location - view.Bounds.Location;
view.Move(offset);
}
_maxScroll = new Point(_updateScrollPosition.X + position.X, _updateScrollPosition.Y + position.Y);
}
}