add macOS deps to shared libraries

Summary: Add macOS dependencies and alternative classes to the libraries that FlipperKitLayoutPlugin needs to function.

Reviewed By: priteshrnandgaonkar

Differential Revision: D27328277

fbshipit-source-id: f22d1e9f6a5415cee0bae8eaada653be5f5467b3

iOS/Plugins/FlipperKitPluginUtils/FlipperKitHighlightOverlay/SKHighlightOverlay.h

@@ -5,14 +5,32 @@
  * LICENSE file in the root directory of this source tree.
  */
 
+#import <TargetConditionals.h>
+
+#if TARGET_OS_IPHONE
 #import <UIKit/UIKit.h>
+#elif TARGET_OS_OSX
+#import <AppKit/AppKit.h>
+#import <Foundation/Foundation.h>
+#import <QuartzCore/QuartzCore.h>
+#endif
 
 @interface SKHighlightOverlay : NSObject
 
 + (instancetype)sharedInstance;
-+ (UIColor*)overlayColor;
 
+#if TARGET_OS_IPHONE
+
++ (UIColor*)overlayColor;
 - (void)mountInView:(UIView*)view withFrame:(CGRect)frame;
+
+#elif TARGET_OS_OSX
+
++ (NSColor*)overlayColor;
+- (void)mountInView:(NSView*)view withFrame:(CGRect)frame;
+
+#endif
+
 - (void)unmount;
 
 @end

iOS/Plugins/FlipperKitPluginUtils/FlipperKitHighlightOverlay/SKHighlightOverlay.mm

@@ -31,6 +31,8 @@
   return self;
 }
 
+#if TARGET_OS_IPHONE
+
 - (void)mountInView:(UIView*)view withFrame:(CGRect)frame {
   [CATransaction begin];
   [CATransaction setValue:(id)kCFBooleanTrue
@@ -40,10 +42,25 @@
   [CATransaction commit];
 }
 
+#elif TARGET_OS_OSX
+
+- (void)mountInView:(NSView*)view withFrame:(CGRect)frame {
+  [CATransaction begin];
+  [CATransaction setValue:(id)kCFBooleanTrue
+                   forKey:kCATransactionDisableActions];
+  _overlayLayer.frame = frame;
+  [view.layer addSublayer:_overlayLayer];
+  [CATransaction commit];
+}
+
+#endif
+
 - (void)unmount {
   [_overlayLayer removeFromSuperlayer];
 }
 
+#if TARGET_OS_IPHONE
+
 + (UIColor*)overlayColor {
   return [UIColor colorWithRed:136.0 / 255.0
                          green:117.0 / 255.0
@@ -51,6 +68,17 @@
                          alpha:0.6];
 }
 
+#elif TARGET_OS_OSX
+
++ (NSColor*)overlayColor {
+  return [NSColor colorWithRed:136.0 / 255.0
+                         green:117.0 / 255.0
+                          blue:197.0 / 255.0
+                         alpha:0.6];
+}
+
+#endif
+
 @end
 
 #endif