animation_curve.cc

// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/animation/animation_curve.h"

#include "base/check.h"
#include "cc/animation/scroll_offset_animation_curve.h"

namespace cc {

bool AnimationCurve::PreservesAxisAlignment() const {
  return true;
}

bool AnimationCurve::MaximumScale(float* max_scale) const {
  return false;
}

#define DEFINE_ANIMATION_CURVE(Name, CurveType)                                \
  void Name##AnimationCurve::Tick(base::TimeDelta t, int property_id,          \
                                  KeyframeModel* keyframe_model) const {       \
    if (target_) {                                                             \
      target_->On##Name##Animated(GetValue(t), property_id, keyframe_model);   \
    }                                                                          \
  }                                                                            \
  int Name##AnimationCurve::Type() const { return AnimationCurve::CurveType; } \
  const char* Name##AnimationCurve::TypeName() const { return #Name; }         \
  const Name##AnimationCurve* Name##AnimationCurve::To##Name##AnimationCurve(  \
      const AnimationCurve* c) {                                               \
    DCHECK_EQ(AnimationCurve::CurveType, c->Type());                           \
    return static_cast<const Name##AnimationCurve*>(c);                        \
  }                                                                            \
  Name##AnimationCurve* Name##AnimationCurve::To##Name##AnimationCurve(        \
      AnimationCurve* c) {                                                     \
    DCHECK_EQ(AnimationCurve::CurveType, c->Type());                           \
    return static_cast<Name##AnimationCurve*>(c);                              \
  }

DEFINE_ANIMATION_CURVE(Transform, TRANSFORM)
DEFINE_ANIMATION_CURVE(Float, FLOAT)
DEFINE_ANIMATION_CURVE(Size, SIZE)
DEFINE_ANIMATION_CURVE(Filter, FILTER)
DEFINE_ANIMATION_CURVE(Color, COLOR)

}  // namespace cc