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// Copyright 2016 The Chromium Authors
// 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_ANIMATION_DELEGATE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_ANIMATION_DELEGATE_H_
#include <memory>
#include <optional>
#include "third_party/blink/renderer/platform/platform_export.h"
#include "ui/gfx/animation/keyframe/animation_curve.h"
namespace blink {
class PLATFORM_EXPORT CompositorAnimationDelegate {
public:
virtual ~CompositorAnimationDelegate() = default;
virtual void NotifyAnimationStarted(base::TimeDelta monotonic_time,
int group) = 0;
virtual void NotifyAnimationFinished(base::TimeDelta monotonic_time,
int group) = 0;
virtual void NotifyAnimationAborted(base::TimeDelta monotonic_time,
int group) = 0;
// In the current state of things, notifyAnimationTakeover only applies to
// scroll offset animations since main thread scrolling reasons can be added
// while the compositor is animating. Keeping this non-pure virtual since
// it doesn't apply to CSS animations.
virtual void NotifyAnimationTakeover(
double monotonic_time,
double animation_start_time,
std::unique_ptr<gfx::AnimationCurve> curve) {}
virtual void NotifyLocalTimeUpdated(
std::optional<base::TimeDelta> local_time) {}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_ANIMATION_DELEGATE_H_
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