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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 "ash/wm/common/background_animator.h" | 5 #include "ash/common/wm/background_animator.h" |
| 6 | 6 |
| 7 namespace ash { | 7 namespace ash { |
| 8 namespace { | 8 namespace { |
| 9 | 9 |
| 10 // Duration of the background animation. | 10 // Duration of the background animation. |
| 11 const int kBackgroundDurationMS = 1000; | 11 const int kBackgroundDurationMS = 1000; |
| 12 } | 12 } |
| 13 | 13 |
| 14 BackgroundAnimator::BackgroundAnimator(BackgroundAnimatorDelegate* delegate, | 14 BackgroundAnimator::BackgroundAnimator(BackgroundAnimatorDelegate* delegate, |
| 15 int min_alpha, | 15 int min_alpha, |
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| 48 | 48 |
| 49 void BackgroundAnimator::AnimationProgressed(const gfx::Animation* animation) { | 49 void BackgroundAnimator::AnimationProgressed(const gfx::Animation* animation) { |
| 50 int alpha = animation->CurrentValueBetween(min_alpha_, max_alpha_); | 50 int alpha = animation->CurrentValueBetween(min_alpha_, max_alpha_); |
| 51 if (alpha_ == alpha) | 51 if (alpha_ == alpha) |
| 52 return; | 52 return; |
| 53 alpha_ = alpha; | 53 alpha_ = alpha; |
| 54 delegate_->UpdateBackground(alpha_); | 54 delegate_->UpdateBackground(alpha_); |
| 55 } | 55 } |
| 56 | 56 |
| 57 } // namespace ash | 57 } // namespace ash |
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