1 files changed, 117 insertions, 0 deletions
diff --git a/platform/darwin/src/MGLLight.mm b/platform/darwin/src/MGLLight.mm
new file mode 100644
index 0000000000..02d55e76ed
--- /dev/null
+++ b/platform/darwin/src/MGLLight.mm
@@ -0,0 +1,117 @@
+#import "MGLLight.h"
+
+#import "MGLTypes.h"
+#import "NSDate+MGLAdditions.h"
+#import "MGLStyleValue_Private.h"
+#import "NSValue+MGLAdditions.h"
+
+#import <mbgl/style/light.hpp>
+#import <mbgl/style/types.hpp>
+
+namespace mbgl {
+    
+    MBGL_DEFINE_ENUM(MGLLightAnchor, {
+        { MGLLightAnchorMap, "map" },
+        { MGLLightAnchorViewport, "viewport" },
+    });
+    
+}
+
+NS_INLINE MGLTransition MGLTransitionFromOptions(const mbgl::style::TransitionOptions& options) {
+    MGLTransition transition;
+    transition.duration = MGLTimeIntervalFromDuration(options.duration.value_or(mbgl::Duration::zero()));
+    transition.delay = MGLTimeIntervalFromDuration(options.delay.value_or(mbgl::Duration::zero()));
+    
+    return transition;
+}
+
+NS_INLINE mbgl::style::TransitionOptions MGLOptionsFromTransition(MGLTransition transition) {
+    mbgl::style::TransitionOptions options { { MGLDurationFromTimeInterval(transition.duration) }, { MGLDurationFromTimeInterval(transition.delay) } };
+    return options;
+}
+
+@interface MGLLight()
+
+@end
+
+@implementation MGLLight
+
+- (instancetype)initWithMBGLLight:(const mbgl::style::Light *)mbglLight
+{
+    if (self = [super init]) {
+        auto anchor = mbglLight->getAnchor();
+        MGLStyleValue<NSValue *> *anchorStyleValue;
+        if (anchor.isUndefined()) {
+            mbgl::style::PropertyValue<mbgl::style::LightAnchorType> defaultAnchor = mbglLight->getDefaultAnchor();
+            anchorStyleValue = MGLStyleValueTransformer<mbgl::style::LightAnchorType, NSValue *, mbgl::style::LightAnchorType, MGLLightAnchor>().toEnumStyleValue(defaultAnchor);
+        } else {
+            anchorStyleValue = MGLStyleValueTransformer<mbgl::style::LightAnchorType, NSValue *, mbgl::style::LightAnchorType, MGLLightAnchor>().toEnumStyleValue(anchor);
+        }
+        
+        NSAssert([anchorStyleValue isKindOfClass:[MGLConstantStyleValue class]], @"Anchor isn’t a constant.");
+        NSValue *anchorValue = ((MGLConstantStyleValue *)anchorStyleValue).rawValue;
+        _anchor = [anchorValue MGLLightAnchorValue];
+        
+        _anchorTransition = MGLTransitionFromOptions(mbglLight->getAnchorTransition());
+        
+        auto positionValue = mbglLight->getPosition();
+        if (positionValue.isUndefined()) {
+            _position = MGLStyleValueTransformer<mbgl::style::Position, NSValue *>().toStyleValue(mbglLight->getDefaultPosition());
+        } else {
+            _position = MGLStyleValueTransformer<mbgl::style::Position, NSValue *>().toStyleValue(positionValue);
+        }
+        
+        _positionTransiton = MGLTransitionFromOptions(mbglLight->getPositionTransition());
+        
+        auto colorValue = mbglLight->getColor();
+        if (colorValue.isUndefined()) {
+            _color = MGLStyleValueTransformer<mbgl::Color, MGLColor *>().toStyleValue(mbglLight->getDefaultColor());
+        } else {
+            _color = MGLStyleValueTransformer<mbgl::Color, MGLColor *>().toStyleValue(colorValue);
+        }
+        
+        _colorTransiton = MGLTransitionFromOptions(mbglLight->getColorTransition());
+        
+        auto intensityValue = mbglLight->getIntensity();
+        if (intensityValue.isUndefined()) {
+            _intensity = MGLStyleValueTransformer<float, NSNumber *>().toStyleValue(mbglLight->getDefaultIntensity());
+        } else {
+            _intensity = MGLStyleValueTransformer<float, NSNumber *>().toStyleValue(intensityValue);
+        }
+        
+        _intensityTransition = MGLTransitionFromOptions(mbglLight->getIntensityTransition());
+    }
+
+    return self;
+}
+
+- (mbgl::style::Light)mbglLight
+{
+    mbgl::style::Light mbglLight;
+    
+    MGLStyleValue<NSValue *> *anchorType = [MGLStyleValue<NSValue *> valueWithRawValue:[NSValue valueWithMGLLightAnchor:self.anchor]];
+    auto anchor = MGLStyleValueTransformer<mbgl::style::LightAnchorType, NSValue *, mbgl::style::LightAnchorType, MGLLightAnchor>().toEnumPropertyValue(anchorType);
+    mbglLight.setAnchor(anchor);
+    
+    
+    mbglLight.setAnchorTransition(MGLOptionsFromTransition(self.anchorTransition));
+    
+    auto position = MGLStyleValueTransformer<mbgl::style::Position, NSValue *>().toInterpolatablePropertyValue(self.position);
+    mbglLight.setPosition(position);
+    
+    mbglLight.setPositionTransition(MGLOptionsFromTransition(self.positionTransiton));
+    
+    auto color = MGLStyleValueTransformer<mbgl::Color, MGLColor *>().toInterpolatablePropertyValue(self.color);
+    mbglLight.setColor(color);
+    
+    mbglLight.setColorTransition(MGLOptionsFromTransition(self.colorTransiton));
+    
+    auto intensity = MGLStyleValueTransformer<float, NSNumber *>().toInterpolatablePropertyValue(self.intensity);
+    mbglLight.setIntensity(intensity);
+    
+    mbglLight.setIntensityTransition(MGLOptionsFromTransition(self.intensityTransition));
+    
+    return mbglLight;
+}
+
+@end