protected virtual void OnChildTouched(VisualElement view)
{
// TODO: validate location
// ...
var viewRenderer = DoodlePlatform.GetDoodleRenderer(view);
viewRenderer.Touch();
}
public void Redraw(SkiaSharp.SKSurface surface)
{
for (var i = 0; i < ElementController.LogicalChildren.Count; i++)
{
var child = ElementController.LogicalChildren[i] as VisualElement;
if (child != null)
{
OnChildRedraw(child, surface);
// update logical children
var viewRenderer = DoodlePlatform.GetDoodleRenderer(child);
viewRenderer.Packager.Redraw(surface);
}
}
}
public void Touch(VisualElement view)
{
for (var i = 0; i < ElementController.LogicalChildren.Count; i++)
{
var child = ElementController.LogicalChildren[i] as VisualElement;
if (child != null)
{
OnChildTouched(child);
var viewRenderer = DoodlePlatform.GetDoodleRenderer(child);
viewRenderer.Packager.Touch(child);
}
}
// TODO: force redraw for the whole view in any case
// ...
}
public static UIViewController CreateViewController(this Page page)
{
if (!Forms.IsInitialized)
{
throw new InvalidOperationException("call Forms.Init() before this");
}
if (!(page.RealParent is Application))
{
Application app = new DefaultApplication();
app.MainPage = page;
}
var result = new Platform.iOS.Doodle.DoodlePlatform();
//var result = new Platform.iOS.Doodle.Platform();
result.SetPage(page);
return(result.ViewController);
}
public DoodlePlatformRenderer(DoodlePlatform platform)
{
Platform = platform;
}
protected virtual void OnChildRedraw(VisualElement view, SkiaSharp.SKSurface surface)
{
var viewRenderer = DoodlePlatform.GetDoodleRenderer(view);
viewRenderer.DrawView(surface);
}
protected virtual void OnChildAdded(VisualElement view)
{
var viewRenderer = DoodlePlatform.CreateDoodleRenderer(view);
DoodlePlatform.SetDoodleRenderer(view, viewRenderer);
}