| // 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 CompositorAnimationDelegate_h |
| #define CompositorAnimationDelegate_h |
| |
| #include "cc/animation/animation_curve.h" |
| #include "platform/PlatformExport.h" |
| |
| #include <memory> |
| |
| namespace blink { |
| |
| class PLATFORM_EXPORT CompositorAnimationDelegate { |
| public: |
| virtual ~CompositorAnimationDelegate() = default; |
| |
| // TODO(yigu): The Notify* methods should be called from cc once per |
| // animation. |
| virtual void NotifyAnimationStarted(double monotonic_time, int group) = 0; |
| virtual void NotifyAnimationFinished(double monotonic_time, int group) = 0; |
| virtual void NotifyAnimationAborted(double 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<cc::AnimationCurve> curve) {} |
| }; |
| |
| } // namespace blink |
| |
| #endif // CompositorAnimationDelegate_h |
