void RemoveMenuBlurForMenu(UISideMenuNavigationController forMenu)
{
if (forMenu == null)
{
return;
}
var originalMenuBackgroundColor = forMenu.OriginalMenuBackgroundColor;
var view = forMenu.VisibleViewController?.View;
if (forMenu == null ||
originalMenuBackgroundColor == null ||
view == null)
{
return;
}
view.BackgroundColor = originalMenuBackgroundColor;
forMenu.OriginalMenuBackgroundColor = null;
var tableViewController = forMenu.VisibleViewController as UITableViewController;
var blurView = view.Subviews != null && view.Subviews.Length > 0 ? view.Subviews[0] as UIVisualEffectView : null;
if (tableViewController != null)
{
tableViewController.TableView.BackgroundView = null;
tableViewController.TableView.SeparatorEffect = null;
tableViewController.TableView.ReloadData();
}
else if (blurView != null)
{
blurView.RemoveFromSuperview();
}
}
void SetupMenuBlurForMenu(UISideMenuNavigationController forMenu)
{
RemoveMenuBlurForMenu(forMenu);
var view = forMenu.VisibleViewController?.View;
if (forMenu == null ||
view == null ||
UIKit.UIAccessibility.IsReduceTransparencyEnabled)
{
return;
}
if (forMenu.OriginalMenuBackgroundColor == null)
{
forMenu.OriginalMenuBackgroundColor = view.BackgroundColor;
}
if (!BlurEffectStyle.HasValue)
{
return;
}
var blurEffect = UIBlurEffect.FromStyle(BlurEffectStyle.Value);
var blurView = new UIVisualEffectView(blurEffect);
view.BackgroundColor = UIColor.Clear;
var tableViewController = forMenu.VisibleViewController as UITableViewController;
if (tableViewController != null)
{
tableViewController.TableView.BackgroundView = blurView;
tableViewController.TableView.SeparatorEffect = UIVibrancyEffect.FromBlurEffect(blurEffect);
tableViewController.TableView.ReloadData();
}
else
{
blurView.AutoresizingMask = UIViewAutoresizing.FlexibleHeight | UIViewAutoresizing.FlexibleWidth;
blurView.Frame = view.Bounds;
view.InsertSubview(blurView, atIndex: 0);
}
}
void SetupNavigationController(UISideMenuNavigationController forMenu, bool leftSide)
{
if (forMenu == null)
{
return;
}
var exitPanGesture = new UIPanGestureRecognizer();
exitPanGesture.AddTarget(/*SideMenuTransition.self, */ () => SideMenuTransition.HandleHideMenuPan(exitPanGesture));
forMenu.View.AddGestureRecognizer(exitPanGesture);
forMenu.TransitioningDelegate = SideMenuTransition.TransitioningDelegate;
forMenu.ModalPresentationStyle = UIModalPresentationStyle.OverFullScreen;
forMenu.LeftSide = leftSide;
if (leftSide)
{
LeftSwipeToDismissGesture = exitPanGesture;
}
else
{
RightSwipeToDismissGesture = exitPanGesture;
}
UpdateMenuBlurIfNecessary();
}