Part 3 of cc/ directory shuffles: animation

cc/keyframed_animation_curve.h

-// 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.
-
-#ifndef CC_KEYFRAMED_ANIMATION_CURVE_H_
-#define CC_KEYFRAMED_ANIMATION_CURVE_H_
-
-#include "cc/animation_curve.h"
-#include "cc/base/cc_export.h"
-#include "cc/base/scoped_ptr_vector.h"
-#include "cc/timing_function.h"
-#include "cc/transform_operations.h"
-
-namespace cc {
-
-class CC_EXPORT Keyframe {
- public:
-  double Time() const;
-  const TimingFunction* timing_function() const {
-    return timing_function_.get();
-  }
-
- protected:
-  Keyframe(double time, scoped_ptr<TimingFunction> timing_function);
-  virtual ~Keyframe();
-
- private:
-  double time_;
-  scoped_ptr<TimingFunction> timing_function_;
-
-  DISALLOW_COPY_AND_ASSIGN(Keyframe);
-};
-
-class CC_EXPORT FloatKeyframe : public Keyframe {
- public:
-  static scoped_ptr<FloatKeyframe> Create(
-      double time,
-      float value,
-      scoped_ptr<TimingFunction> timing_function);
-  virtual ~FloatKeyframe();
-
-  float Value() const;
-
-  scoped_ptr<FloatKeyframe> Clone() const;
-
- private:
-  FloatKeyframe(double time,
-                float value,
-                scoped_ptr<TimingFunction> timing_function);
-
-  float value_;
-};
-
-class CC_EXPORT TransformKeyframe : public Keyframe {
- public:
-  static scoped_ptr<TransformKeyframe> Create(
-      double time,
-      const TransformOperations& value,
-      scoped_ptr<TimingFunction> timing_function);
-  virtual ~TransformKeyframe();
-
-  const TransformOperations& Value() const;
-
-  scoped_ptr<TransformKeyframe> Clone() const;
-
- private:
-  TransformKeyframe(
-      double time,
-      const TransformOperations& value,
-      scoped_ptr<TimingFunction> timing_function);
-
-  TransformOperations value_;
-};
-
-class CC_EXPORT KeyframedFloatAnimationCurve : public FloatAnimationCurve {
- public:
-  // It is required that the keyframes be sorted by time.
-  static scoped_ptr<KeyframedFloatAnimationCurve> Create();
-
-  virtual ~KeyframedFloatAnimationCurve();
-
-  void AddKeyframe(scoped_ptr<FloatKeyframe> keyframe);
-
-  // AnimationCurve implementation
-  virtual double Duration() const OVERRIDE;
-  virtual scoped_ptr<AnimationCurve> Clone() const OVERRIDE;
-
-  // FloatAnimationCurve implementation
-  virtual float GetValue(double t) const OVERRIDE;
-
- private:
-  KeyframedFloatAnimationCurve();
-
-  // Always sorted in order of increasing time. No two keyframes have the
-  // same time.
-  ScopedPtrVector<FloatKeyframe> keyframes_;
-
-  DISALLOW_COPY_AND_ASSIGN(KeyframedFloatAnimationCurve);
-};
-
-class CC_EXPORT KeyframedTransformAnimationCurve : public TransformAnimationCurve {
- public:
-  // It is required that the keyframes be sorted by time.
-  static scoped_ptr<KeyframedTransformAnimationCurve> Create();
-
-  virtual ~KeyframedTransformAnimationCurve();
-
-  void AddKeyframe(scoped_ptr<TransformKeyframe> keyframe);
-
-  // AnimationCurve implementation
-  virtual double Duration() const OVERRIDE;
-  virtual scoped_ptr<AnimationCurve> Clone() const OVERRIDE;
-
-  // TransformAnimationCurve implementation
-  virtual gfx::Transform GetValue(double t) const OVERRIDE;
-
- private:
-  KeyframedTransformAnimationCurve();
-
-  // Always sorted in order of increasing time. No two keyframes have the
-  // same time.
-  ScopedPtrVector<TransformKeyframe> keyframes_;
-
-  DISALLOW_COPY_AND_ASSIGN(KeyframedTransformAnimationCurve);
-};
-
-}  // namespace cc
-
-#endif  // CC_KEYFRAMED_ANIMATION_CURVE_H_