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// 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_ANIMATION_KEYFRAMED_ANIMATION_CURVE_H_
#define CC_ANIMATION_KEYFRAMED_ANIMATION_CURVE_H_
#include <vector>
#include "base/macros.h"
#include "base/time/time.h"
#include "cc/animation/animation_curve.h"
#include "cc/animation/timing_function.h"
#include "cc/animation/transform_operations.h"
#include "cc/base/cc_export.h"
namespace cc {
class CC_EXPORT Keyframe {
public:
base::TimeDelta Time() const;
const TimingFunction* timing_function() const {
return timing_function_.get();
}
protected:
Keyframe(base::TimeDelta time, scoped_ptr<TimingFunction> timing_function);
virtual ~Keyframe();
private:
base::TimeDelta time_;
scoped_ptr<TimingFunction> timing_function_;
DISALLOW_COPY_AND_ASSIGN(Keyframe);
};
class CC_EXPORT ColorKeyframe : public Keyframe {
public:
static scoped_ptr<ColorKeyframe> Create(
base::TimeDelta time,
SkColor value,
scoped_ptr<TimingFunction> timing_function);
~ColorKeyframe() override;
SkColor Value() const;
scoped_ptr<ColorKeyframe> Clone() const;
private:
ColorKeyframe(base::TimeDelta time,
SkColor value,
scoped_ptr<TimingFunction> timing_function);
SkColor value_;
};
class CC_EXPORT FloatKeyframe : public Keyframe {
public:
static scoped_ptr<FloatKeyframe> Create(
base::TimeDelta time,
float value,
scoped_ptr<TimingFunction> timing_function);
~FloatKeyframe() override;
float Value() const;
scoped_ptr<FloatKeyframe> Clone() const;
private:
FloatKeyframe(base::TimeDelta time,
float value,
scoped_ptr<TimingFunction> timing_function);
float value_;
};
class CC_EXPORT TransformKeyframe : public Keyframe {
public:
static scoped_ptr<TransformKeyframe> Create(
base::TimeDelta time,
const TransformOperations& value,
scoped_ptr<TimingFunction> timing_function);
~TransformKeyframe() override;
const TransformOperations& Value() const;
scoped_ptr<TransformKeyframe> Clone() const;
private:
TransformKeyframe(base::TimeDelta time,
const TransformOperations& value,
scoped_ptr<TimingFunction> timing_function);
TransformOperations value_;
};
class CC_EXPORT FilterKeyframe : public Keyframe {
public:
static scoped_ptr<FilterKeyframe> Create(
base::TimeDelta time,
const FilterOperations& value,
scoped_ptr<TimingFunction> timing_function);
~FilterKeyframe() override;
const FilterOperations& Value() const;
scoped_ptr<FilterKeyframe> Clone() const;
private:
FilterKeyframe(base::TimeDelta time,
const FilterOperations& value,
scoped_ptr<TimingFunction> timing_function);
FilterOperations value_;
};
class CC_EXPORT KeyframedColorAnimationCurve : public ColorAnimationCurve {
public:
// It is required that the keyframes be sorted by time.
static scoped_ptr<KeyframedColorAnimationCurve> Create();
~KeyframedColorAnimationCurve() override;
void AddKeyframe(scoped_ptr<ColorKeyframe> keyframe);
void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
timing_function_ = std::move(timing_function);
}
// AnimationCurve implementation
base::TimeDelta Duration() const override;
scoped_ptr<AnimationCurve> Clone() const override;
// BackgrounColorAnimationCurve implementation
SkColor GetValue(base::TimeDelta t) const override;
private:
KeyframedColorAnimationCurve();
// Always sorted in order of increasing time. No two keyframes have the
// same time.
std::vector<scoped_ptr<ColorKeyframe>> keyframes_;
scoped_ptr<TimingFunction> timing_function_;
DISALLOW_COPY_AND_ASSIGN(KeyframedColorAnimationCurve);
};
class CC_EXPORT KeyframedFloatAnimationCurve : public FloatAnimationCurve {
public:
// It is required that the keyframes be sorted by time.
static scoped_ptr<KeyframedFloatAnimationCurve> Create();
~KeyframedFloatAnimationCurve() override;
void AddKeyframe(scoped_ptr<FloatKeyframe> keyframe);
void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
timing_function_ = std::move(timing_function);
}
// AnimationCurve implementation
base::TimeDelta Duration() const override;
scoped_ptr<AnimationCurve> Clone() const override;
// FloatAnimationCurve implementation
float GetValue(base::TimeDelta t) const override;
private:
KeyframedFloatAnimationCurve();
// Always sorted in order of increasing time. No two keyframes have the
// same time.
std::vector<scoped_ptr<FloatKeyframe>> keyframes_;
scoped_ptr<TimingFunction> timing_function_;
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();
~KeyframedTransformAnimationCurve() override;
void AddKeyframe(scoped_ptr<TransformKeyframe> keyframe);
void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
timing_function_ = std::move(timing_function);
}
// AnimationCurve implementation
base::TimeDelta Duration() const override;
scoped_ptr<AnimationCurve> Clone() const override;
// TransformAnimationCurve implementation
gfx::Transform GetValue(base::TimeDelta t) const override;
bool AnimatedBoundsForBox(const gfx::BoxF& box,
gfx::BoxF* bounds) const override;
bool AffectsScale() const override;
bool PreservesAxisAlignment() const override;
bool IsTranslation() const override;
bool AnimationStartScale(bool forward_direction,
float* start_scale) const override;
bool MaximumTargetScale(bool forward_direction,
float* max_scale) const override;
private:
KeyframedTransformAnimationCurve();
// Always sorted in order of increasing time. No two keyframes have the
// same time.
std::vector<scoped_ptr<TransformKeyframe>> keyframes_;
scoped_ptr<TimingFunction> timing_function_;
DISALLOW_COPY_AND_ASSIGN(KeyframedTransformAnimationCurve);
};
class CC_EXPORT KeyframedFilterAnimationCurve
: public FilterAnimationCurve {
public:
// It is required that the keyframes be sorted by time.
static scoped_ptr<KeyframedFilterAnimationCurve> Create();
~KeyframedFilterAnimationCurve() override;
void AddKeyframe(scoped_ptr<FilterKeyframe> keyframe);
void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
timing_function_ = std::move(timing_function);
}
// AnimationCurve implementation
base::TimeDelta Duration() const override;
scoped_ptr<AnimationCurve> Clone() const override;
// FilterAnimationCurve implementation
FilterOperations GetValue(base::TimeDelta t) const override;
bool HasFilterThatMovesPixels() const override;
private:
KeyframedFilterAnimationCurve();
// Always sorted in order of increasing time. No two keyframes have the
// same time.
std::vector<scoped_ptr<FilterKeyframe>> keyframes_;
scoped_ptr<TimingFunction> timing_function_;
DISALLOW_COPY_AND_ASSIGN(KeyframedFilterAnimationCurve);
};
} // namespace cc
#endif // CC_ANIMATION_KEYFRAMED_ANIMATION_CURVE_H_