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// Copyright 2016 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_KEYFRAME_MODEL_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_KEYFRAME_MODEL_H_
#include <memory>
#include "base/memory/ptr_util.h"
#include "cc/animation/keyframe_model.h"
#include "third_party/blink/renderer/platform/animation/compositor_target_property.h"
#include "third_party/blink/renderer/platform/graphics/compositor_element_id.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/noncopyable.h"
namespace cc {
class KeyframeModel;
}
namespace blink {
class CompositorAnimationCurve;
class CompositorFloatAnimationCurve;
// A compositor driven animation.
class PLATFORM_EXPORT CompositorKeyframeModel {
WTF_MAKE_NONCOPYABLE(CompositorKeyframeModel);
public:
using Direction = cc::KeyframeModel::Direction;
using FillMode = cc::KeyframeModel::FillMode;
static std::unique_ptr<CompositorKeyframeModel> Create(
const blink::CompositorAnimationCurve& curve,
CompositorTargetProperty::Type target,
int group_id,
int keyframe_model_id) {
return base::WrapUnique(new CompositorKeyframeModel(
curve, target, keyframe_model_id, group_id));
}
~CompositorKeyframeModel();
// An id must be unique.
int Id() const;
int Group() const;
CompositorTargetProperty::Type TargetProperty() const;
void SetElementId(CompositorElementId element_id);
// This is the number of times that the animation will play. If this
// value is zero the animation will not play. If it is negative, then
// the animation will loop indefinitely.
double Iterations() const;
void SetIterations(double);
double StartTime() const;
void SetStartTime(double monotonic_time);
double TimeOffset() const;
void SetTimeOffset(double monotonic_time);
Direction GetDirection() const;
void SetDirection(Direction);
double PlaybackRate() const;
void SetPlaybackRate(double);
FillMode GetFillMode() const;
void SetFillMode(FillMode);
double IterationStart() const;
void SetIterationStart(double);
std::unique_ptr<cc::KeyframeModel> ReleaseCcKeyframeModel();
std::unique_ptr<CompositorFloatAnimationCurve> FloatCurveForTesting() const;
private:
CompositorKeyframeModel(const CompositorAnimationCurve&,
CompositorTargetProperty::Type,
int keyframe_model_id,
int group_id);
std::unique_ptr<cc::KeyframeModel> keyframe_model_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_KEYFRAME_MODEL_H_