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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/compositor/float_animation_curve_adapter.h" | 5 #include "ui/compositor/float_animation_curve_adapter.h" |
| 6 | 6 |
| 7 #include "base/memory/ptr_util.h" |
| 7 #include "cc/base/time_util.h" | 8 #include "cc/base/time_util.h" |
| 8 | 9 |
| 9 namespace ui { | 10 namespace ui { |
| 10 | 11 |
| 11 FloatAnimationCurveAdapter::FloatAnimationCurveAdapter( | 12 FloatAnimationCurveAdapter::FloatAnimationCurveAdapter( |
| 12 gfx::Tween::Type tween_type, | 13 gfx::Tween::Type tween_type, |
| 13 float initial_value, | 14 float initial_value, |
| 14 float target_value, | 15 float target_value, |
| 15 base::TimeDelta duration) | 16 base::TimeDelta duration) |
| 16 : tween_type_(tween_type), | 17 : tween_type_(tween_type), |
| 17 initial_value_(initial_value), | 18 initial_value_(initial_value), |
| 18 target_value_(target_value), | 19 target_value_(target_value), |
| 19 duration_(duration) { | 20 duration_(duration) { |
| 20 } | 21 } |
| 21 | 22 |
| 22 base::TimeDelta FloatAnimationCurveAdapter::Duration() const { | 23 base::TimeDelta FloatAnimationCurveAdapter::Duration() const { |
| 23 return duration_; | 24 return duration_; |
| 24 } | 25 } |
| 25 | 26 |
| 26 scoped_ptr<cc::AnimationCurve> FloatAnimationCurveAdapter::Clone() const { | 27 std::unique_ptr<cc::AnimationCurve> FloatAnimationCurveAdapter::Clone() const { |
| 27 return make_scoped_ptr(new FloatAnimationCurveAdapter( | 28 return base::WrapUnique(new FloatAnimationCurveAdapter( |
| 28 tween_type_, initial_value_, target_value_, duration_)); | 29 tween_type_, initial_value_, target_value_, duration_)); |
| 29 } | 30 } |
| 30 | 31 |
| 31 float FloatAnimationCurveAdapter::GetValue(base::TimeDelta t) const { | 32 float FloatAnimationCurveAdapter::GetValue(base::TimeDelta t) const { |
| 32 if (t >= duration_) | 33 if (t >= duration_) |
| 33 return target_value_; | 34 return target_value_; |
| 34 if (t <= base::TimeDelta()) | 35 if (t <= base::TimeDelta()) |
| 35 return initial_value_; | 36 return initial_value_; |
| 36 double progress = cc::TimeUtil::Divide(t, duration_); | 37 double progress = cc::TimeUtil::Divide(t, duration_); |
| 37 return gfx::Tween::FloatValueBetween( | 38 return gfx::Tween::FloatValueBetween( |
| 38 gfx::Tween::CalculateValue(tween_type_, progress), | 39 gfx::Tween::CalculateValue(tween_type_, progress), |
| 39 initial_value_, | 40 initial_value_, |
| 40 target_value_); | 41 target_value_); |
| 41 } | 42 } |
| 42 | 43 |
| 43 } // namespace ui | 44 } // namespace ui |
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