Source/core/page/scrolling/ScrollingCoordinator.h - Issue 23620023: Add ability to create solid color scrollbars in ScrollingCoordinator.

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Issue 23620023: Add ability to create solid color scrollbars in ScrollingCoordinator. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 3 months ago

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1 /*	1 /*

2 * Copyright (C) 2011 Apple Inc. All rights reserved.	2 * Copyright (C) 2011 Apple 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	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

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83	83

84 enum MainThreadScrollingReasonFlags {	84 enum MainThreadScrollingReasonFlags {

85 HasSlowRepaintObjects = 1 << 0,	85 HasSlowRepaintObjects = 1 << 0,

86 HasViewportConstrainedObjectsWithoutSupportingFixedLayers = 1 << 1,	86 HasViewportConstrainedObjectsWithoutSupportingFixedLayers = 1 << 1,

87 HasNonLayerViewportConstrainedObjects = 1 << 2,	87 HasNonLayerViewportConstrainedObjects = 1 << 2,

88 };	88 };

89	89

90 MainThreadScrollingReasons mainThreadScrollingReasons() const;	90 MainThreadScrollingReasons mainThreadScrollingReasons() const;

91 bool shouldUpdateScrollLayerPositionOnMainThread() const { return mainThread ScrollingReasons() != 0; }	91 bool shouldUpdateScrollLayerPositionOnMainThread() const { return mainThread ScrollingReasons() != 0; }

92	92

	93 PassOwnPtr<WebKit::WebScrollbarLayer> createSolidColorScrollbarLayer(Scrollb arOrientation, int thumbThickness);

	94

93 void willDestroyScrollableArea(ScrollableArea*);	95 void willDestroyScrollableArea(ScrollableArea*);

94 // Returns true if the coordinator handled this change.	96 // Returns true if the coordinator handled this change.

95 bool scrollableAreaScrollLayerDidChange(ScrollableArea*);	97 bool scrollableAreaScrollLayerDidChange(ScrollableArea*);

96 void scrollableAreaScrollbarLayerDidChange(ScrollableArea*, ScrollbarOrienta tion);	98 void scrollableAreaScrollbarLayerDidChange(ScrollableArea*, ScrollbarOrienta tion);

97 void setLayerIsContainerForFixedPositionLayers(GraphicsLayer*, bool);	99 void setLayerIsContainerForFixedPositionLayers(GraphicsLayer*, bool);

98 void updateLayerPositionConstraint(RenderLayer*);	100 void updateLayerPositionConstraint(RenderLayer*);

99 void touchEventTargetRectsDidChange(const Document*);	101 void touchEventTargetRectsDidChange(const Document*);

100 void willDestroyRenderLayer(RenderLayer*);	102 void willDestroyRenderLayer(RenderLayer*);

101	103

102 static String mainThreadScrollingReasonsAsText(MainThreadScrollingReasons);	104 static String mainThreadScrollingReasonsAsText(MainThreadScrollingReasons);

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139	141

140 typedef HashMap<ScrollableArea*, OwnPtr<WebKit::WebScrollbarLayer> > Scrollb arMap;	142 typedef HashMap<ScrollableArea*, OwnPtr<WebKit::WebScrollbarLayer> > Scrollb arMap;

141 ScrollbarMap m_horizontalScrollbars;	143 ScrollbarMap m_horizontalScrollbars;

142 ScrollbarMap m_verticalScrollbars;	144 ScrollbarMap m_verticalScrollbars;

143 HashSet<const RenderLayer*> m_layersWithTouchRects;	145 HashSet<const RenderLayer*> m_layersWithTouchRects;

144 };	146 };

145	147

146 } // namespace WebCore	148 } // namespace WebCore

147	149

148 #endif // ScrollingCoordinator_h	150 #endif // ScrollingCoordinator_h

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