| // Copyright 2019 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_SCROLL_OFFSET_ANIMATION_CURVE_FACTORY_H_ |
| #define CC_ANIMATION_SCROLL_OFFSET_ANIMATION_CURVE_FACTORY_H_ |
| |
| #include "cc/animation/scroll_offset_animation_curve.h" |
| |
| namespace cc { |
| class CC_ANIMATION_EXPORT ScrollOffsetAnimationCurveFactory { |
| public: |
| enum class ScrollType { kProgrammatic, kKeyboard, kMouseWheel, kAutoScroll }; |
| |
| static std::unique_ptr<ScrollOffsetAnimationCurve> CreateAnimation( |
| const gfx::ScrollOffset& target_value, |
| ScrollType scroll_type); |
| |
| static std::unique_ptr<ScrollOffsetAnimationCurve> |
| CreateEaseInOutAnimationForTesting( |
| const gfx::ScrollOffset& target_value, |
| ScrollOffsetAnimationCurve::DurationBehavior duration_behavior = |
| ScrollOffsetAnimationCurve::DurationBehavior::DELTA_BASED); |
| |
| static std::unique_ptr<ScrollOffsetAnimationCurve> |
| CreateLinearAnimationForTesting(const gfx::ScrollOffset& target_value); |
| |
| private: |
| static std::unique_ptr<ScrollOffsetAnimationCurve> CreateEaseInOutAnimation( |
| const gfx::ScrollOffset& target_value, |
| ScrollOffsetAnimationCurve::DurationBehavior duration_hint); |
| |
| static std::unique_ptr<ScrollOffsetAnimationCurve> CreateLinearAnimation( |
| const gfx::ScrollOffset& target_value); |
| }; |
| } // namespace cc |
| |
| #endif // CC_ANIMATION_SCROLL_OFFSET_ANIMATION_CURVE_FACTORY_H_ |