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Diffstat (limited to 'Xamarin.Forms.Platform.MacOS/Controls/NavigationChildPageWrapper.cs')
-rw-r--r--Xamarin.Forms.Platform.MacOS/Controls/NavigationChildPageWrapper.cs41
1 files changed, 41 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.MacOS/Controls/NavigationChildPageWrapper.cs b/Xamarin.Forms.Platform.MacOS/Controls/NavigationChildPageWrapper.cs
new file mode 100644
index 0000000..a0e6dd4
--- /dev/null
+++ b/Xamarin.Forms.Platform.MacOS/Controls/NavigationChildPageWrapper.cs
@@ -0,0 +1,41 @@
+´╗┐using System;
+using Foundation;
+
+namespace Xamarin.Forms.Platform.MacOS
+{
+ internal class NavigationChildPageWrapper : NSObject
+ {
+ bool _disposed;
+
+ public NavigationChildPageWrapper(Page page)
+ {
+ Page = page;
+ Page.PropertyChanged += PagePropertyChanged;
+ Identifier = Guid.NewGuid().ToString();
+ }
+
+ protected override void Dispose(bool disposing)
+ {
+ if (disposing && !_disposed)
+ {
+ _disposed = true;
+ if (Page != null)
+ Page.PropertyChanged -= PagePropertyChanged;
+ Page = null;
+ }
+ base.Dispose(disposing);
+ }
+
+ void PagePropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
+ {
+ if (e.PropertyName == NavigationPage.HasNavigationBarProperty.PropertyName
+ || e.PropertyName == Page.TitleProperty.PropertyName
+ || e.PropertyName == NavigationPage.HasBackButtonProperty.PropertyName)
+ Platform.NativeToolbarTracker.UpdateToolBar();
+ }
+
+ public string Identifier { get; set; }
+
+ public Page Page { get; private set; }
+ }
+} \ No newline at end of file