diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/animator/SkScriptCallBack.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/animator/SkScriptCallBack.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,67 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef SkScriptCallBack_DEFINED
+#define SkScriptCallBack_DEFINED
+
+#include "SkOperand2.h"
+#include "SkTDArray_Experimental.h"
+
+class SkScriptCallBack {
+public:
+    virtual ~SkScriptCallBack() { }
+
+    enum Type {
+        kBox,
+        kFunction,
+        kMember,
+        kMemberFunction,
+        kProperty,
+        kUnbox
+    };
+
+    virtual bool getReference(const char* , size_t len, SkScriptValue2* result) {  return false; }
+    virtual SkOperand2::OpType getReturnType(size_t ref, SkOperand2*) {
+        return SkOperand2::kS32; }
+    virtual Type getType() const = 0;
+};
+
+class SkScriptCallBackConvert : public SkScriptCallBack {
+public:
+    virtual bool convert(SkOperand2::OpType type, SkOperand2* operand) = 0;
+};
+
+class SkScriptCallBackFunction : public SkScriptCallBack {
+public:
+    virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) = 0;
+    virtual Type getType() const { return kFunction; }
+    virtual bool invoke(size_t ref, SkOpArray* params, SkOperand2* value) = 0;
+};
+
+class SkScriptCallBackMember: public SkScriptCallBack {
+public:
+    bool getMemberReference(const char* , size_t len, void* object, SkScriptValue2* ref);
+    virtual Type getType() const { return kMember; }
+    virtual bool invoke(size_t ref, void* object, SkOperand2* value) = 0;
+};
+
+class SkScriptCallBackMemberFunction : public SkScriptCallBack {
+public:
+    bool getMemberReference(const char* , size_t len, void* object, SkScriptValue2* ref);
+    virtual void getParamTypes(SkIntArray(SkOperand2::OpType)* types) = 0;
+    virtual Type getType() const { return kMemberFunction; }
+    virtual bool invoke(size_t ref, void* object, SkOpArray* params, SkOperand2* value) = 0;
+};
+
+class SkScriptCallBackProperty : public SkScriptCallBack {
+public:
+    virtual bool getConstValue(const char* name, size_t len, SkOperand2* value) { return false; }
+    virtual bool getResult(size_t ref, SkOperand2* answer) { return false; }
+    virtual Type getType() const { return kProperty; }
+};
+
+#endif // SkScriptCallBack_DEFINED