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1 /* | 1 /* |
2 * Copyright (c) 2010, Google Inc. All rights reserved. | 2 * Copyright (c) 2010, Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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31 #include "config.h" | 31 #include "config.h" |
32 #include "platform/scroll/ScrollAnimator.h" | 32 #include "platform/scroll/ScrollAnimator.h" |
33 | 33 |
34 #include "platform/geometry/FloatPoint.h" | 34 #include "platform/geometry/FloatPoint.h" |
35 #include "platform/scroll/ScrollableArea.h" | 35 #include "platform/scroll/ScrollableArea.h" |
36 #include "wtf/PassOwnPtr.h" | 36 #include "wtf/PassOwnPtr.h" |
37 #include <algorithm> | 37 #include <algorithm> |
38 | 38 |
39 using namespace std; | 39 using namespace std; |
40 | 40 |
41 namespace WebCore { | 41 namespace blink { |
42 | 42 |
43 ScrollAnimator::ScrollAnimator(ScrollableArea* scrollableArea) | 43 ScrollAnimator::ScrollAnimator(ScrollableArea* scrollableArea) |
44 : m_scrollableArea(scrollableArea) | 44 : m_scrollableArea(scrollableArea) |
45 , m_currentPosX(0) | 45 , m_currentPosX(0) |
46 , m_currentPosY(0) | 46 , m_currentPosY(0) |
47 { | 47 { |
48 } | 48 } |
49 | 49 |
50 ScrollAnimator::~ScrollAnimator() | 50 ScrollAnimator::~ScrollAnimator() |
51 { | 51 { |
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138 m_scrollableArea->setScrollOffsetFromAnimation(IntPoint(m_currentPosX, m_cur
rentPosY)); | 138 m_scrollableArea->setScrollOffsetFromAnimation(IntPoint(m_currentPosX, m_cur
rentPosY)); |
139 } | 139 } |
140 | 140 |
141 float ScrollAnimator::clampScrollPosition(ScrollbarOrientation orientation, floa
t pos) | 141 float ScrollAnimator::clampScrollPosition(ScrollbarOrientation orientation, floa
t pos) |
142 { | 142 { |
143 float maxScrollPos = m_scrollableArea->maximumScrollPosition(orientation); | 143 float maxScrollPos = m_scrollableArea->maximumScrollPosition(orientation); |
144 float minScrollPos = m_scrollableArea->minimumScrollPosition(orientation); | 144 float minScrollPos = m_scrollableArea->minimumScrollPosition(orientation); |
145 return std::max(std::min(pos, maxScrollPos), minScrollPos); | 145 return std::max(std::min(pos, maxScrollPos), minScrollPos); |
146 } | 146 } |
147 | 147 |
148 } // namespace WebCore | 148 } // namespace blink |
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