Adding ViroKit. Needs AWSCore :(

mobile/ios/ViroKit.framework/Headers/VROPropertyAnimation.h

@@ -0,0 +1,86 @@
+//
+//  VROPropertyAnimation.h
+//  ViroRenderer
+//
+//  Created by Raj Advani on 12/28/16.
+//  Copyright © 2016 Viro Media. All rights reserved.
+//
+
+#ifndef VROPropertyAnimation_h
+#define VROPropertyAnimation_h
+
+#include <stdio.h>
+#include <string>
+#include <memory>
+
+/*
+ Animated property values can be of the following types.
+ */
+enum class VROValueType {
+    Float,
+    Int
+};
+
+/*
+ Encapsulates different types of animation values.
+ */
+class VROAnimationValue {
+public:
+    VROValueType type;
+    float valueFloat;
+    int valueInt;
+};
+
+/*
+ Determines if animation assigns values, or adds/multiplies.
+ */
+enum class VROAnimationOperation {
+    Add,
+    Multiply,
+    Assign
+};
+
+/*
+ Represents a single animated property of a node (e.g. position, scale, rotation).
+ */
+class VROPropertyAnimation {
+    
+public:
+    
+    static std::shared_ptr<VROPropertyAnimation> parse(const std::string &name, const std::string &value);
+    
+    VROPropertyAnimation(std::string propertyName, VROAnimationValue value, VROAnimationOperation op) :
+        _propertyName(propertyName),
+        _value(value),
+        _op(op) {}
+    virtual ~VROPropertyAnimation() {}
+    
+    std::string getPropertyName() const { return _propertyName; }
+    VROAnimationValue getValue() const { return _value; }
+    VROAnimationOperation getOp() const { return _op; }
+    
+    float processOp(float input) const {
+        switch (_op) {
+            case VROAnimationOperation::Assign:
+                return _value.valueFloat;
+            case VROAnimationOperation::Add:
+                return _value.valueFloat + input;
+            case VROAnimationOperation::Multiply:
+                return _value.valueFloat * input;
+                
+            default:
+                return _value.valueFloat;
+        }
+    }
+    
+    std::string toString() const;
+    
+private:
+    
+    const std::string _propertyName;
+    const VROAnimationValue _value;
+    const VROAnimationOperation _op;
+    
+};
+
+#endif /* VROPropertyAnimation_h */