cc/animation/animation_curve.cc

   1 // Copyright 2012 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 #include "cc/animation/animation_curve.h"
   6
   7 #include "base/logging.h"
   8 #include "cc/animation/scroll_offset_animation_curve.h"
   9
  10 namespace cc {
  11
  12 const ColorAnimationCurve* AnimationCurve::ToColorAnimationCurve() const {
  13   DCHECK(Type() == AnimationCurve::COLOR);
  14   return static_cast<const ColorAnimationCurve*>(this);
  15 }
  16
  17 AnimationCurve::CurveType ColorAnimationCurve::Type() const {
  18   return COLOR;
  19 }
  20
  21 const FloatAnimationCurve* AnimationCurve::ToFloatAnimationCurve() const {
  22   DCHECK(Type() == AnimationCurve::FLOAT);
  23   return static_cast<const FloatAnimationCurve*>(this);
  24 }
  25
  26 AnimationCurve::CurveType FloatAnimationCurve::Type() const {
  27   return FLOAT;
  28 }
  29
  30 const TransformAnimationCurve* AnimationCurve::ToTransformAnimationCurve()
  31     const {
  32   DCHECK(Type() == AnimationCurve::TRANSFORM);
  33   return static_cast<const TransformAnimationCurve*>(this);
  34 }
  35
  36 AnimationCurve::CurveType TransformAnimationCurve::Type() const {
  37   return TRANSFORM;
  38 }
  39
  40 const FilterAnimationCurve* AnimationCurve::ToFilterAnimationCurve() const {
  41   DCHECK(Type() == AnimationCurve::FILTER);
  42   return static_cast<const FilterAnimationCurve*>(this);
  43 }
  44
  45 AnimationCurve::CurveType FilterAnimationCurve::Type() const {
  46   return FILTER;
  47 }
  48
  49 const ScrollOffsetAnimationCurve* AnimationCurve::ToScrollOffsetAnimationCurve()
  50     const {
  51   DCHECK(Type() == AnimationCurve::SCROLL_OFFSET);
  52   return static_cast<const ScrollOffsetAnimationCurve*>(this);
  53 }
  54
  55 ScrollOffsetAnimationCurve* AnimationCurve::ToScrollOffsetAnimationCurve() {
  56   DCHECK(Type() == AnimationCurve::SCROLL_OFFSET);
  57   return static_cast<ScrollOffsetAnimationCurve*>(this);
  58 }
  59
  60 }  // namespace cc