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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef WebCompositorAnimationCurve_h
      6 #define WebCompositorAnimationCurve_h
      7 
      8 #define WEB_SCROLL_OFFSET_ANIMATION_CURVE_IS_DEFINED 1
      9 
     10 namespace blink {
     11 
     12 class WebCompositorAnimationCurve {
     13 public:
     14     virtual ~WebCompositorAnimationCurve() { }
     15 
     16     enum TimingFunctionType {
     17         TimingFunctionTypeEase,
     18         TimingFunctionTypeEaseIn,
     19         TimingFunctionTypeEaseOut,
     20         TimingFunctionTypeEaseInOut,
     21         TimingFunctionTypeLinear
     22     };
     23 
     24     enum AnimationCurveType {
     25         AnimationCurveTypeFilter,
     26         AnimationCurveTypeFloat,
     27         AnimationCurveTypeScrollOffset,
     28         AnimationCurveTypeTransform,
     29     };
     30 
     31     virtual AnimationCurveType type() const = 0;
     32 };
     33 
     34 } // namespace blink
     35 
     36 #endif // WebCompositorAnimationCurve_h
     37