Adding ViroKit. Needs AWSCore :(

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

@@ -0,0 +1,62 @@
+//
+//  VROAnimationChain.h
+//  ViroRenderer
+//
+//  Created by Raj Advani on 12/28/16.
+//  Copyright © 2016 Viro Media. All rights reserved.
+//
+
+#ifndef VROAnimationChain_h
+#define VROAnimationChain_h
+
+#include <vector>
+#include "VROExecutableAnimation.h"
+
+enum class VROAnimationChainExecution {
+    Serial,
+    Parallel
+};
+
+/*
+ An animation chain is a list of animation groups that execute
+ serially. This follows the composite pattern.
+ */
+class VROAnimationChain : public VROExecutableAnimation, public std::enable_shared_from_this<VROAnimationChain> {
+    
+public:
+    
+    VROAnimationChain(std::vector<std::shared_ptr<VROExecutableAnimation>> &animations,
+                      VROAnimationChainExecution execution) :
+        _animations(animations),
+        _execution(execution),
+        _numComplete(0) {}
+    virtual ~VROAnimationChain() {}
+    
+    std::shared_ptr<VROExecutableAnimation> copy();
+    
+    void execute(std::shared_ptr<VRONode> node,
+                 std::function<void()> onFinished);
+
+    // This function adds an animation to the end of the chain.
+    void addAnimation(std::shared_ptr<VROExecutableAnimation> animation);
+    void pause();
+    void resume();
+    void terminate(bool jumpToEnd);
+    
+    std::string toString() const;
+
+private:
+    
+    void executeSerial(std::shared_ptr<VRONode> node, int groupIndex,
+                       std::function<void()> onFinished);
+    void executeParallel(std::shared_ptr<VRONode> node,
+                         std::function<void()> onFinished);
+    void animateGroup(int groupIndex);
+    
+    std::vector<std::shared_ptr<VROExecutableAnimation>> _animations;
+    VROAnimationChainExecution _execution;
+    int _numComplete;
+    
+};
+
+#endif /* VROAnimationChain_h */