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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 import "../../animation/curves.dart"; | 5 import "../../animation/curves.dart"; |
| 6 import "timer.dart"; | 6 import "timer.dart"; |
| 7 | 7 |
| 8 class AnimationController extends AnimationDelegate { | 8 class AnimationController extends AnimationDelegate { |
| 9 final AnimationDelegate _delegate; | 9 final AnimationDelegate _delegate; |
| 10 AnimationTimer _timer; | 10 AnimationTimer _timer; |
| (...skipping 28 matching lines...) Expand all Loading... |
| 39 if (t == 1) | 39 if (t == 1) |
| 40 return _end; | 40 return _end; |
| 41 double curvedTime = _curve.transform(t); | 41 double curvedTime = _curve.transform(t); |
| 42 return _begin + (_end - _begin) * curvedTime; | 42 return _begin + (_end - _begin) * curvedTime; |
| 43 } | 43 } |
| 44 | 44 |
| 45 void updateAnimation(double t) { | 45 void updateAnimation(double t) { |
| 46 _delegate.updateAnimation(_positionForTime(t)); | 46 _delegate.updateAnimation(_positionForTime(t)); |
| 47 } | 47 } |
| 48 } | 48 } |
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