protected override void Dispose(bool disposing)
{
if (_disposed)
{
return;
}
if (disposing)
{
var viewsToLookAt = new FormsStack <NSView>(Subviews);
while (viewsToLookAt.Count > 0)
{
var view = viewsToLookAt.Pop();
var viewCellRenderer = view as ViewCellNSView;
if (viewCellRenderer != null)
{
viewCellRenderer.RemoveFromSuperview();
viewCellRenderer.Dispose();
}
else
{
foreach (var child in view.Subviews)
{
viewsToLookAt.Push(child);
}
}
}
}
_disposed = true;
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (disposing && _insetTracker != null)
{
_insetTracker.Dispose();
_insetTracker = null;
var viewsToLookAt = new FormsStack <UIView>(Subviews);
while (viewsToLookAt.Count > 0)
{
var view = viewsToLookAt.Pop();
var viewCellRenderer = view as ViewCellRenderer.ViewTableCell;
if (viewCellRenderer != null)
{
viewCellRenderer.Dispose();
}
else
{
foreach (var child in view.Subviews)
{
viewsToLookAt.Push(child);
}
}
}
}
base.Dispose(disposing);
}
static void FrameBeginBody(
string name,
string id,
int line)
{
if (!Stopwatch.IsRunning)
{
Stopwatch.Start();
}
Stack.Push(new Profile(name, id, line));
}
async Task <bool> AddPage(Page page, bool animated)
{
if (page == null)
{
throw new ArgumentNullException(nameof(page));
}
Page oldPage = null;
if (_currentStack.Count >= 1)
{
oldPage = _currentStack.Peek().Page;
}
_currentStack.Push(new NavigationChildPageWrapper(page));
var vc = CreateViewControllerForPage(page);
vc.SetElementSize(new Size(View.Bounds.Width, View.Bounds.Height));
page.Layout(new Rectangle(0, 0, View.Bounds.Width, View.Frame.Height));
if (_currentStack.Count == 1 || !animated)
{
vc.NativeView.WantsLayer = true;
AddChildViewController(vc.ViewController);
View.AddSubview(vc.NativeView);
if (oldPage != null)
{
HideView(Platform.GetRenderer(oldPage)?.ViewController);
}
return(true);
}
var vco = Platform.GetRenderer(oldPage);
AddChildViewController(vc.ViewController);
var transitionStyle = NavigationPage.OnThisPlatform().GetNavigationTransitionPushStyle();
return(await this.HandleAsyncAnimation(vco.ViewController, vc.ViewController,
ToViewControllerTransitionOptions(transitionStyle), () =>
{
HideView(vco.ViewController);
page?.SendAppearing();
}, true));
}