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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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| 57 IntRect scrollableAreaBoundingBox() const override; | 57 IntRect scrollableAreaBoundingBox() const override; |
| 58 bool userInputScrollable(ScrollbarOrientation) const override; | 58 bool userInputScrollable(ScrollbarOrientation) const override; |
| 59 bool shouldPlaceVerticalScrollbarOnLeft() const override; | 59 bool shouldPlaceVerticalScrollbarOnLeft() const override; |
| 60 void scrollControlWasSetNeedsPaintInvalidation() override; | 60 void scrollControlWasSetNeedsPaintInvalidation() override; |
| 61 GraphicsLayer* layerForContainer() const override; | 61 GraphicsLayer* layerForContainer() const override; |
| 62 GraphicsLayer* layerForScrolling() const override; | 62 GraphicsLayer* layerForScrolling() const override; |
| 63 GraphicsLayer* layerForHorizontalScrollbar() const override; | 63 GraphicsLayer* layerForHorizontalScrollbar() const override; |
| 64 GraphicsLayer* layerForVerticalScrollbar() const override; | 64 GraphicsLayer* layerForVerticalScrollbar() const override; |
| 65 ScrollResult userScroll(ScrollGranularity, const FloatSize&) override; | 65 ScrollResult userScroll(ScrollGranularity, const FloatSize&) override; |
| 66 bool scrollAnimatorEnabled() const override; | 66 bool scrollAnimatorEnabled() const override; |
| 67 HostWindow* hostWindow() const override; | 67 HostWindow* getHostWindow() const override; |
| 68 void serviceScrollAnimations(double) override; | 68 void serviceScrollAnimations(double) override; |
| 69 void updateCompositorScrollAnimations() override; | 69 void updateCompositorScrollAnimations() override; |
| 70 void cancelProgrammaticScrollAnimation() override; | 70 void cancelProgrammaticScrollAnimation() override; |
| 71 ScrollBehavior scrollBehaviorStyle() const override; | 71 ScrollBehavior scrollBehaviorStyle() const override; |
| 72 Widget* widget() override; | 72 Widget* getWidget() override; |
| 73 void clearScrollAnimators() override; | 73 void clearScrollAnimators() override; |
| 74 | 74 |
| 75 private: | 75 private: |
| 76 RootFrameViewport(ScrollableArea& visualViewport, ScrollableArea& layoutView
port); | 76 RootFrameViewport(ScrollableArea& visualViewport, ScrollableArea& layoutView
port); |
| 77 | 77 |
| 78 DoublePoint scrollOffsetFromScrollAnimators() const; | 78 DoublePoint scrollOffsetFromScrollAnimators() const; |
| 79 | 79 |
| 80 void distributeScrollBetweenViewports(const DoublePoint&, ScrollType, Scroll
Behavior); | 80 void distributeScrollBetweenViewports(const DoublePoint&, ScrollType, Scroll
Behavior); |
| 81 | 81 |
| 82 // If either of the layout or visual viewports are scrolled explicitly (i.e.
not | 82 // If either of the layout or visual viewports are scrolled explicitly (i.e.
not |
| 83 // through this class), their updated offset will not be reflected in this c
lass' | 83 // through this class), their updated offset will not be reflected in this c
lass' |
| 84 // animator so use this method to pull updated values when necessary. | 84 // animator so use this method to pull updated values when necessary. |
| 85 void updateScrollAnimator(); | 85 void updateScrollAnimator(); |
| 86 | 86 |
| 87 ScrollableArea& visualViewport() const { ASSERT(m_visualViewport); return *m
_visualViewport; } | 87 ScrollableArea& visualViewport() const { ASSERT(m_visualViewport); return *m
_visualViewport; } |
| 88 ScrollableArea& layoutViewport() const { ASSERT(m_layoutViewport); return *m
_layoutViewport; } | 88 ScrollableArea& layoutViewport() const { ASSERT(m_layoutViewport); return *m
_layoutViewport; } |
| 89 | 89 |
| 90 RawPtrWillBeMember<ScrollableArea> m_visualViewport; | 90 RawPtrWillBeMember<ScrollableArea> m_visualViewport; |
| 91 RawPtrWillBeMember<ScrollableArea> m_layoutViewport; | 91 RawPtrWillBeMember<ScrollableArea> m_layoutViewport; |
| 92 }; | 92 }; |
| 93 | 93 |
| 94 } // namespace blink | 94 } // namespace blink |
| 95 | 95 |
| 96 #endif // RootFrameViewport_h | 96 #endif // RootFrameViewport_h |
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