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Diffstat (limited to 'Xamarin.Forms.Platform.MacOS/ModalPageTracker.cs')
-rw-r--r--Xamarin.Forms.Platform.MacOS/ModalPageTracker.cs118
1 files changed, 0 insertions, 118 deletions
diff --git a/Xamarin.Forms.Platform.MacOS/ModalPageTracker.cs b/Xamarin.Forms.Platform.MacOS/ModalPageTracker.cs
deleted file mode 100644
index c492f4c..0000000
--- a/Xamarin.Forms.Platform.MacOS/ModalPageTracker.cs
+++ /dev/null
@@ -1,118 +0,0 @@
-´╗┐using System;
-using System.Threading.Tasks;
-using System.Linq;
-using AppKit;
-using System.Collections.Generic;
-
-namespace Xamarin.Forms.Platform.MacOS
-{
- internal class ModalPageTracker : IDisposable
- {
- NSViewController _renderer;
- List<Page> _modals;
- bool _disposed;
-
- public ModalPageTracker(NSViewController mainRenderer)
- {
- if (mainRenderer == null)
- throw new ArgumentNullException(nameof(mainRenderer));
- _renderer = mainRenderer;
- _renderer.View.WantsLayer = true;
- _modals = new List<Page>();
- }
-
- public List<Page> ModalStack => _modals;
-
- public Task PushAsync(Page modal, bool animated)
- {
- _modals.Add(modal);
- modal.DescendantRemoved += HandleChildRemoved;
- Platform.NativeToolbarTracker.TryHide(modal as NavigationPage);
- return PresentModalAsync(modal, animated);
- }
-
- public Task<Page> PopAsync(bool animated)
- {
- var modal = _modals.LastOrDefault();
- if (modal == null)
- throw new InvalidOperationException("No Modal pages found in the stack, make sure you pushed a modal page");
- _modals.Remove(modal);
- modal.DescendantRemoved -= HandleChildRemoved;
- return HideModalAsync(modal, animated);
- }
-
- public void Dispose()
- {
- Dispose(true);
- }
-
- protected virtual void Dispose(bool disposing)
- {
- if (!_disposed)
- {
- if (disposing)
- {
- foreach (var modal in _modals)
- Platform.DisposeModelAndChildrenRenderers(modal);
- _renderer = null;
- }
- _disposed = true;
- }
- }
-
- void HandleChildRemoved(object sender, ElementEventArgs e)
- {
- var view = e.Element;
- Platform.DisposeModelAndChildrenRenderers(view);
- }
-
- Task PresentModalAsync(Page modal, bool animated)
- {
- var modalRenderer = Platform.GetRenderer(modal);
- if (modalRenderer == null)
- {
- modalRenderer = Platform.CreateRenderer(modal);
- Platform.SetRenderer(modal, modalRenderer);
- modalRenderer.SetElementSize(new Size(_renderer.View.Bounds.Width, _renderer.View.Bounds.Height));
- }
-
- var toViewController = modalRenderer as NSViewController;
-
- var i = Math.Max(0, _renderer.ChildViewControllers.Length - 1);
- var fromViewController = _renderer.ChildViewControllers[i];
-
- _renderer.AddChildViewController(toViewController);
-
- NSViewControllerTransitionOptions option = animated
- ? NSViewControllerTransitionOptions.SlideUp
- : NSViewControllerTransitionOptions.None;
-
- var task = _renderer.HandleAsyncAnimation(fromViewController, toViewController, option,
- () =>
- {
- //Hack: adjust if needed
- toViewController.View.Frame = _renderer.View.Bounds;
- fromViewController.View.Layer.Hidden = true;
- }, true);
- return task;
- }
-
- Task<Page> HideModalAsync(Page modal, bool animated)
- {
- var controller = Platform.GetRenderer(modal) as NSViewController;
-
- var i = Math.Max(0, _renderer.ChildViewControllers.Length - 2);
- var toViewController = _renderer.ChildViewControllers[i];
-
- toViewController.View.Layer.Hidden = false;
-
- NSViewControllerTransitionOptions option = animated
- ? NSViewControllerTransitionOptions.SlideDown
- : NSViewControllerTransitionOptions.None;
-
- var task = _renderer.HandleAsyncAnimation(controller, toViewController, option,
- () => Platform.DisposeModelAndChildrenRenderers(modal), modal);
- return task;
- }
- }
-} \ No newline at end of file