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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 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 "config.h" | |
6 | |
7 #include "cc/scrollbar_animation_controller_linear_fade.h" | 5 #include "cc/scrollbar_animation_controller_linear_fade.h" |
8 | 6 |
9 #include "cc/scrollbar_layer_impl.h" | 7 #include "cc/scrollbar_layer_impl.h" |
10 | 8 |
11 namespace cc { | 9 namespace cc { |
12 | 10 |
13 scoped_ptr<ScrollbarAnimationControllerLinearFade> ScrollbarAnimationControllerL
inearFade::create(LayerImpl* scrollLayer, double fadeoutDelay, double fadeoutLen
gth) | 11 scoped_ptr<ScrollbarAnimationControllerLinearFade> ScrollbarAnimationControllerL
inearFade::create(LayerImpl* scrollLayer, double fadeoutDelay, double fadeoutLen
gth) |
14 { | 12 { |
15 return make_scoped_ptr(new ScrollbarAnimationControllerLinearFade(scrollLaye
r, fadeoutDelay, fadeoutLength)); | 13 return make_scoped_ptr(new ScrollbarAnimationControllerLinearFade(scrollLaye
r, fadeoutDelay, fadeoutLength)); |
16 } | 14 } |
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68 double delta = monotonicTime - m_lastAwakenTime; | 66 double delta = monotonicTime - m_lastAwakenTime; |
69 | 67 |
70 if (delta <= m_fadeoutDelay) | 68 if (delta <= m_fadeoutDelay) |
71 return 1; | 69 return 1; |
72 if (delta < m_fadeoutDelay + m_fadeoutLength) | 70 if (delta < m_fadeoutDelay + m_fadeoutLength) |
73 return (m_fadeoutDelay + m_fadeoutLength - delta) / m_fadeoutLength; | 71 return (m_fadeoutDelay + m_fadeoutLength - delta) / m_fadeoutLength; |
74 return 0; | 72 return 0; |
75 } | 73 } |
76 | 74 |
77 } // namespace cc | 75 } // namespace cc |
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