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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 #ifndef RootFrameViewport_h | 5 #ifndef RootFrameViewport_h |
6 #define RootFrameViewport_h | 6 #define RootFrameViewport_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "platform/scroll/ScrollableArea.h" | 9 #include "platform/scroll/ScrollableArea.h" |
10 | 10 |
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52 bool scrollbarsCanBeActive() const override; | 52 bool scrollbarsCanBeActive() const override; |
53 IntRect scrollableAreaBoundingBox() const override; | 53 IntRect scrollableAreaBoundingBox() const override; |
54 bool userInputScrollable(ScrollbarOrientation) const override; | 54 bool userInputScrollable(ScrollbarOrientation) const override; |
55 bool shouldPlaceVerticalScrollbarOnLeft() const override; | 55 bool shouldPlaceVerticalScrollbarOnLeft() const override; |
56 void invalidateScrollbarRect(Scrollbar*, const IntRect&) override; | 56 void invalidateScrollbarRect(Scrollbar*, const IntRect&) override; |
57 void invalidateScrollCornerRect(const IntRect&) override; | 57 void invalidateScrollCornerRect(const IntRect&) override; |
58 GraphicsLayer* layerForContainer() const override; | 58 GraphicsLayer* layerForContainer() const override; |
59 GraphicsLayer* layerForScrolling() const override; | 59 GraphicsLayer* layerForScrolling() const override; |
60 GraphicsLayer* layerForHorizontalScrollbar() const override; | 60 GraphicsLayer* layerForHorizontalScrollbar() const override; |
61 GraphicsLayer* layerForVerticalScrollbar() const override; | 61 GraphicsLayer* layerForVerticalScrollbar() const override; |
62 bool userScroll(ScrollDirectionPhysical, ScrollGranularity, float delta = 1)
override; | 62 ScrollResultOneDimensional userScroll(ScrollDirectionPhysical, ScrollGranula
rity, float delta = 1) override; |
63 bool scrollAnimatorEnabled() const override; | 63 bool scrollAnimatorEnabled() const override; |
64 HostWindow* hostWindow() const override; | 64 HostWindow* hostWindow() const override; |
65 void serviceScrollAnimations(double) override; | 65 void serviceScrollAnimations(double) override; |
66 void updateCompositorScrollAnimations() override; | 66 void updateCompositorScrollAnimations() override; |
67 // TODO(bokan): This method should be removed. It should be replaced by | 67 // TODO(bokan): This method should be removed. It should be replaced by |
68 // making EventHandler::handleWheelEvent unpack the WheelEvent and make a | 68 // making EventHandler::handleWheelEvent unpack the WheelEvent and make a |
69 // call to this class' scroll method. | 69 // call to this class' scroll method. |
70 ScrollResult handleWheel(const PlatformWheelEvent&) override; | 70 ScrollResult handleWheel(const PlatformWheelEvent&) override; |
71 | 71 |
72 private: | 72 private: |
73 RootFrameViewport(ScrollableArea& visualViewport, ScrollableArea& layoutView
port); | 73 RootFrameViewport(ScrollableArea& visualViewport, ScrollableArea& layoutView
port); |
74 | 74 |
75 DoublePoint scrollOffsetFromScrollAnimators() const; | 75 DoublePoint scrollOffsetFromScrollAnimators() const; |
76 | 76 |
77 // If either of the layout or visual viewports are scrolled explicitly (i.e.
not | 77 // If either of the layout or visual viewports are scrolled explicitly (i.e.
not |
78 // through this class), their updated offset will not be reflected in this c
lass' | 78 // through this class), their updated offset will not be reflected in this c
lass' |
79 // animator so use this method to pull updated values when necessary. | 79 // animator so use this method to pull updated values when necessary. |
80 void updateScrollAnimator(); | 80 void updateScrollAnimator(); |
81 | 81 |
82 ScrollableArea& visualViewport() const { return m_visualViewport; } | 82 ScrollableArea& visualViewport() const { return m_visualViewport; } |
83 ScrollableArea& layoutViewport() const { return m_layoutViewport; } | 83 ScrollableArea& layoutViewport() const { return m_layoutViewport; } |
84 | 84 |
85 ScrollableArea& m_visualViewport; | 85 ScrollableArea& m_visualViewport; |
86 ScrollableArea& m_layoutViewport; | 86 ScrollableArea& m_layoutViewport; |
87 }; | 87 }; |
88 | 88 |
89 } // namespace blink | 89 } // namespace blink |
90 | 90 |
91 #endif // RootFrameViewport_h | 91 #endif // RootFrameViewport_h |
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