[ios11-beta1] Initial UIKit Drag and Drop support

src/.gitignore

@@ -11,3 +11,5 @@ xammac.csproj
 xamtvos.csproj
 xamwatch.csproj
 generator-ikvm.csproj
+~.pmcs-*
+*~

src/UIKit/UIEnums.cs

@@ -183,6 +183,8 @@ public enum UIControlContentHorizontalAlignment : nint {
 		Left   = 1,
 		Right  = 2,
 		Fill   = 3,
+		Leading = 4,
+		Trailing = 5
 	}
 
 	// NSUInteger -> UIControl.h
@@ -297,7 +299,8 @@ public enum UIButtonType : nint {
 		InfoLight,
 		InfoDark,
 		ContactAdd,
-		System = RoundedRect
+		Plain,
+		System = RoundedRect,
 	}
 
 	// NSInteger -> UIStringDrawing.h
@@ -880,6 +883,7 @@ public enum UIModalPresentationStyle : nint {
 		OverCurrentContext,
 		[NoTV]
 		Popover,
+		BlurOverFullScreen,
 		None = -1
 	}
 
@@ -1248,6 +1252,10 @@ public enum NSLayoutFormatOptions : nuint_compat_int {
 		DirectionLeadingToTrailing = 0 << 16, // default
 		DirectionLeftToRight = 1 << 16,
 		DirectionRightToLeft = 2 << 16,
+
+		SpacingEdgeToEdge = 0 << 19,
+		SpacingBaselineToBaseline = 1 << 19,
+		SpacingMask = 1 << 19,
 
 		DirectionMask = 0x3 << 16,
 	}
@@ -1988,4 +1996,246 @@ public enum UIScrollViewIndexDisplayMode : nint {
 		Automatic,
 		AlwaysHidden
 	}
+
+	[TV (11,0), iOS (11,0)]
+	[Native]
+	public enum UIScrollViewContentInsetAdjustmentBehavior : nint
+	{
+		Automatic,
+		ScrollableAxes,
+		Never,
+		Always
+	}
+
+	[iOS (11,0)]
+	[Native]
+	public enum UIAccessibilityContainerType : nint
+	{
+		None = 0,
+		DataTable,
+		List,
+		Landmark
+	}
+
+	[iOS (11,0)]
+	[Native]
+	public enum UITextSmartQuotesType : nint
+	{
+		Default,
+		No,
+		Yes
+	}
+
+	[iOS (11,0)]
+	[Native]
+	public enum UITextSmartDashesType : nint
+	{
+		Default,
+		No,
+		Yes
+	}
+
+	[iOS (11,0)]
+	[Native]
+	public enum UITextSmartInsertDeleteType : nint
+	{
+		Default,
+		No,
+		Yes
+	}
+
+	[iOS (11,0)]
+	[Native]
+	public enum UIAccessibilityCustomSystemRotorType : nint
+	{
+		None = 0,
+		Link,
+		VisitedLink,
+		Heading,
+		HeadingLevel1,
+		HeadingLevel2,
+		HeadingLevel3,
+		HeadingLevel4,
+		HeadingLevel5,
+		HeadingLevel6,
+		BoldText,
+		ItalicText,
+		UnderlineText,
+		MisspelledWord,
+		Image,
+		TextField,
+		Table,
+		List,
+		Landmark
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UIDropOperation : nuint
+	{
+		Cancel = 0,
+		Forbidden = 1,
+		Copy = 2,
+		Move = 3
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	[Flags]
+	public enum UITextDragOptions : nint
+	{
+		None = 0,
+		StripTextColorFromPreviews = (1 << 0)
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UITextDropAction : nuint
+	{
+		Insert = 0,
+		ReplaceSelection,
+		ReplaceAll
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UITextDropProgressMode : nuint
+	{
+		System = 0,
+		Custom
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UITextDropEditability : nuint
+	{
+		No = 0,
+		Temporary,
+		Yes
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UICollectionViewReorderingCadence : nint
+	{
+		Immediate,
+		Fast,
+		Slow
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UICollectionViewDropIntent : nint
+	{
+		Unspecified,
+		InsertAtDestinationIndexPath,
+		InsertIntoDestinationIndexPath
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UICollectionViewCellDragState : nint
+	{
+		None,
+		Lifting,
+		Dragging
+	}
+
+	[NoTV, iOS (11,0)]
+	[Native]
+	public enum UIImagePickerControllerImageUrlExportPreset : nint
+	{
+		Compatible = 0,
+		Current
+	}
+
+	[NoTV, iOS (11,0)]
+	[Native]
+	public enum UIContextualActionStyle : nint
+	{
+		Normal,
+		Destructive
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UITableViewCellDragState : nint
+	{
+		None,
+		Lifting,
+		Dragging
+	}
+
+	[TV (11,0), iOS (11,0)]
+	[Native]
+	public enum UITableViewSeparatorInsetReference : nint
+	{
+		CellEdges,
+		AutomaticInsets
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UITableViewDropIntent : nint
+	{
+		Unspecified,
+		InsertAtDestinationIndexPath,
+		InsertIntoDestinationIndexPath,
+		Automatic
+	}
+
+	[TV (11,0), iOS (11,0)]
+	[Native]
+	public enum UISplitViewControllerPrimaryEdge : nint
+	{
+		Leading,
+		Trailing
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UIDropSessionProgressIndicatorStyle : nuint
+	{
+		None,
+		Default
+	}
+
+	[NoWatch, NoTV, iOS (11,0)]
+	[Native]
+	public enum UISpringLoadedInteractionEffectState : nint
+	{
+		Inactive,
+		Possible,
+		Activating,
+		Activated
+	}
+
+	[NoTV, iOS (11,0)]
+	[Native]
+	public enum UIDocumentBrowserImportMode : nuint
+	{
+		None,
+		Copy,
+		Move
+	}
+
+	[NoTV, iOS (11,0)]
+	[Native]
+	public enum UIDocumentBrowserUserInterfaceStyle : nuint
+	{
+		White = 0,
+		Light,
+		Dark
+	}
+
+	[NoTV, iOS (11,0)]
+	[Native]
+	[Flags]
+	public enum UIDocumentBrowserActionAvailability : nint
+	{
+		Menu = 1,
+		NavigationBar = 1 << 1
+	}
+
+
 }

src/foundation.cs

@@ -237,6 +237,17 @@ partial interface NSAttributedString : NSCoding, NSMutableCopying, NSSecureCodin
 		[Wrap ("this (data, options == null ? null : options.Dictionary, out resultDocumentAttributes, ref error)")]
 		IntPtr Constructor (NSData data, NSAttributedStringDocumentAttributes options, out NSDictionary resultDocumentAttributes, ref NSError error);
 
+		// From the NSItemProviderReading protocol, a special constructor.
+		[Export ("initWithItemProviderData:typeIdentifier:error:")]
+		[iOS (11,0), NoWatch, NoTV, Mac(10,13)]
+		IntPtr Constructor (NSData providerData, string typeIdentifier, out NSError outError);
+
+		// From the NSItemProviderReading protocol, a static method.
+		[Static]
+		[Export ("readableTypeIdentifiersForItemProvider", ArgumentSemantic.Copy)]
+		[iOS (11,0), NoWatch, NoTV, Mac(10,13)]
+		string[] ReadableTypeIdentifiersForItemProvider { get; }
+
 		[Since (7,0)]
 		[Export ("dataFromRange:documentAttributes:error:")]
 		NSData GetDataFromRange (NSRange range, NSDictionary attributes, ref NSError error);
@@ -8780,6 +8791,35 @@ partial interface NSItemProvider : NSCopying {
 #endif
 	}
 
+	interface INSItemProviderReading {}
+
+	[Watch (4,0), TV (11,0), Mac (10,13), iOS (11,0)]
+	[Protocol]
+	interface NSItemProviderReading
+	{
+		//
+		// This static method has to be implemented on each class that implements
+		// this, this is not a capability that exists in C#.
+		// We are inlining these on each class that implements NSItemProviderReading
+		// for the sake of the method being callable from C#, for user code, the
+		// user needs to manually [Export] the selector on a static method, like
+		// they do for the "layer" property on CALayer subclasses.
+		//
+		//[Static, Abstract]
+		//[Export ("readableTypeIdentifiersForItemProvider", ArgumentSemantic.Copy)]
+		//string[] ReadableTypeIdentifiersForItemProvider { get; }
+
+		//
+		// This is a constructor that various classes must implement
+		// NSAttributedString, UIColor and UIImage need to have this constructor
+		// for user-defined implementations of this interface, we are going to
+		// need to something special
+		//
+		//[Abstract]
+		//[Export ("initWithItemProviderData:typeIdentifier:error:")]
+		//INSItemProviderReading CreateFrom (NSData providerData, string typeIdentifier, [NullAllowed] NSError outError);
+	}
+
 #if XAMCORE_2_0
 	[Static]
 #endif