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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 ScrollManager_h | 5 #ifndef ScrollManager_h |
| 6 #define ScrollManager_h | 6 #define ScrollManager_h |
| 7 | 7 |
| 8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
| 9 #include "core/page/EventWithHitTestResults.h" | 9 #include "core/page/EventWithHitTestResults.h" |
| 10 #include "platform/PlatformEvent.h" | 10 #include "platform/PlatformEvent.h" |
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| 67 bool bubblingScroll(ScrollDirection, | 67 bool bubblingScroll(ScrollDirection, |
| 68 ScrollGranularity, | 68 ScrollGranularity, |
| 69 Node* startingNode, | 69 Node* startingNode, |
| 70 Node* mousePressNode); | 70 Node* mousePressNode); |
| 71 | 71 |
| 72 void setFrameWasScrolledByUser(); | 72 void setFrameWasScrolledByUser(); |
| 73 | 73 |
| 74 // TODO(crbug.com/616491): Consider moving all gesture related functions to | 74 // TODO(crbug.com/616491): Consider moving all gesture related functions to |
| 75 // another class. | 75 // another class. |
| 76 | 76 |
| 77 // Handle the provided scroll gesture event, propagating down to child frames
as necessary. | 77 // Handle the provided scroll gesture event, propagating down to child frames |
| 78 // as necessary. |
| 78 WebInputEventResult handleGestureScrollEvent(const PlatformGestureEvent&); | 79 WebInputEventResult handleGestureScrollEvent(const PlatformGestureEvent&); |
| 79 | 80 |
| 80 WebInputEventResult handleGestureScrollEnd(const PlatformGestureEvent&); | 81 WebInputEventResult handleGestureScrollEnd(const PlatformGestureEvent&); |
| 81 | 82 |
| 82 bool isScrollbarHandlingGestures() const; | 83 bool isScrollbarHandlingGestures() const; |
| 83 | 84 |
| 84 // Returns true if the gesture event should be handled in ScrollManager. | 85 // Returns true if the gesture event should be handled in ScrollManager. |
| 85 bool canHandleGestureEvent(const GestureEventWithHitTestResults&); | 86 bool canHandleGestureEvent(const GestureEventWithHitTestResults&); |
| 86 | 87 |
| 87 // These functions are related to |m_resizeScrollableArea|. | 88 // These functions are related to |m_resizeScrollableArea|. |
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| 142 | 143 |
| 143 Member<PaintLayerScrollableArea> m_resizeScrollableArea; | 144 Member<PaintLayerScrollableArea> m_resizeScrollableArea; |
| 144 | 145 |
| 145 LayoutSize | 146 LayoutSize |
| 146 m_offsetFromResizeCorner; // In the coords of m_resizeScrollableArea. | 147 m_offsetFromResizeCorner; // In the coords of m_resizeScrollableArea. |
| 147 }; | 148 }; |
| 148 | 149 |
| 149 } // namespace blink | 150 } // namespace blink |
| 150 | 151 |
| 151 #endif // ScrollManager_h | 152 #endif // ScrollManager_h |
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