Platform Specifics (#301)

* Playing around with how the platform specifics interfaces etc. might work

* Sample implementation of iOS navigation translucency

* Very slightly reduced code

* Better vendor stuff

* Drop single-implemenation interfaces

* Generics on NavigationPage

* On-demand vendor stuff

* Remove functionally duplicate classes and make ControlGallery work again

* Namespace all the things. XAML test.

* Can use Effect to attach platform specific

* Attach Effect on PropertyChanging for XAML support!

* Rename IConfigPlatform interfaces for readability

* Some renaming to match the documents

* Split class files

* Clear out test-only code

* Re-namespace

* Added On method to rendered Elements

* Allow for removal of platform suffix, convenience methods on specific platforms

* Creating a gallery page for specifics

* Add rudimentary Platform Specifics gallery; make CollapseStyle work on UWP;
Add CollapsedPaneWidth specific property

* Toolbar now working with both collapse styles

* MDP now displaying Content title; toolbar routing around title

* Add a gallery for the iOS NavigationPage stuff

* Add Navigation Page as detail page to verify it works with new Toolbar options

* Make titlebar/toolbar background colors consistent

* ToolbarPlacement now working on NavigationPage

* Toolbar Placement working for tabbed and nav pages

* Fix bug where phone doesn't get default toolbar placement on start

* [Core] Add PS WindowSoftInputModeAdjust

[Core] Make Application extendable

* Toolbar placement now working on Nav, Tabbed, and Master pages on desktop/phone

Remove unnecessary style indirection

Fix build errors

* [A] Add PlatformConfigurationExtensions

* SetSoftInputMode test page

* [A] SetSoftInputMode

Known issue: Status bar color does not work in AdjustResize mode

* [Core] Add PS Blur

* [iOS] Configure renderer for blur

* Add test page

* Move to blur VisualElement for broader support

* Move test pages to gallery

* Update docs

* Use lazy initializer for PlatformConfigurationRegistry

1 files changed, 9 insertions, 1 deletions

diff --git a/Xamarin.Forms.Core/Page.cs b/Xamarin.Forms.Core/Page.cs
index 7c21a3b9..87b54bd3 100644
--- a/Xamarin.Forms.Core/Page.cs
+++ b/Xamarin.Forms.Core/Page.cs
@@ -11,7 +11,7 @@ using Xamarin.Forms.Platform;
 namespace Xamarin.Forms
 {
 	[RenderWith(typeof(_PageRenderer))]
-	public class Page : VisualElement, ILayout, IPageController
+	public class Page : VisualElement, ILayout, IPageController, IElementConfiguration<Page>
 	{
 		public const string BusySetSignalName = "Xamarin.BusySet";
 
@@ -35,6 +35,8 @@ namespace Xamarin.Forms
 
 		public static readonly BindableProperty IconProperty = BindableProperty.Create("Icon", typeof(FileImageSource), typeof(Page), default(FileImageSource));
 
+		readonly Lazy<PlatformConfigurationRegistry<Page>> _platformConfigurationRegistry;
+
 		bool _allocatedFlag;
 		Rectangle _containerArea;
 
@@ -53,6 +55,7 @@ namespace Xamarin.Forms
 			toolbarItems.CollectionChanged += OnToolbarItemsCollectionChanged;
 			ToolbarItems = toolbarItems;
 			PageController.InternalChildren.CollectionChanged += InternalChildrenOnCollectionChanged;
+			_platformConfigurationRegistry = new Lazy<PlatformConfigurationRegistry<Page>>(() => new PlatformConfigurationRegistry<Page>(this));
 		}
 
 		public string BackgroundImage
@@ -401,5 +404,10 @@ namespace Xamarin.Forms
 			}
 			return !any;
 		}
+
+		public IPlatformElementConfiguration<T, Page> On<T>() where T : IConfigPlatform
+		{
+			return _platformConfigurationRegistry.Value.On<T>();
+		}
 	}
 }
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