/// <summary>
/// Raises the <see cref="ViewSizeChanged"/> event.
/// </summary>
/// <param name="e">
/// An <see cref="EventArgs"/> that contains the event data.
/// </param>
protected virtual void OnViewSizeChanged(EventArgs e)
{
ViewSizeChanged?.Invoke(this, e);
}
protected override void OnSizeAllocated(double width, double height)
{
base.OnSizeAllocated(width, height);
ViewSizeChanged?.Invoke(this, new EventArgs());
}
public void ViewUpdate(float time)
{
_forceUpdate = false;
if (_shouldRecalculateFrames > 0)
{
_shouldRecalculateFrames--;
}
if (_updateController && _controller != null)
{
_controller.UpdateInternal(time);
}
float opacity = Visible ? 1 : 0;
bool visible = DisplayVisibility > 0;
float oldDisplayVisibility = DisplayVisibility;
if (DisplayVisibility < opacity)
{
DisplayVisibility += _showSpeed * time;
DisplayVisibility = Math.Min(DisplayVisibility, opacity);
}
else if (DisplayVisibility > opacity)
{
DisplayVisibility -= _hideSpeed * time;
DisplayVisibility = Math.Max(DisplayVisibility, opacity);
}
if (DisplayVisibility != oldDisplayVisibility)
{
ForceUpdate();
}
if (!visible && IsShown && Parent != null)
{
SetForceRecalcFlag();
RecalcLayout();
Parent.RecalcLayout(this);
}
if (IsShown)
{
bool sizeStable = true;
if (_lastSize != Bounds)
{
if (_lastSize.Height != Bounds.Height || _lastSize.Width != Bounds.Width)
{
CallDelegate("ViewResized", new InvokeParam("bounds", Bounds), new InvokeParam("size", new Point(Bounds.Width, Bounds.Height)),
new InvokeParam("width", Bounds.Width), new InvokeParam("height", Bounds.Height));
OnSizeChanged();
ViewSizeChanged?.Invoke(Bounds);
if (_lastSize.Height != Bounds.Height && !_sizeCanChange.HasFlag(SizeChangeDimension.Height))
{
sizeStable = false;
}
if (_lastSize.Width != Bounds.Width && !_sizeCanChange.HasFlag(SizeChangeDimension.Width))
{
sizeStable = false;
}
}
_lastSize = Bounds;
AppMain.Redraw(this);
}
_sizeCanChange = SizeChangeDimension.None;
IsSizeStable = sizeStable;
Update(time);
while (!IsSizeStable)
{
IsSizeStable = true;
Update(0);
if (_lastSize.Width != Bounds.Width || _lastSize.Height != Bounds.Height)
{
OnSizeChanged();
ViewSizeChanged?.Invoke(Bounds);
IsSizeStable = false;
_lastSize = Bounds;
}
else
{
SetForceRecalcFlag();
}
}
}
}
