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| 1 /* | 1 /* |
| 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 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 |
| (...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 55 virtual int scrollbarMargin() const { return 0; } | 55 virtual int scrollbarMargin() const { return 0; } |
| 56 | 56 |
| 57 virtual ScrollbarButtonsPlacement buttonsPlacement() const { return Scrollba
rButtonsPlacementSingle; } | 57 virtual ScrollbarButtonsPlacement buttonsPlacement() const { return Scrollba
rButtonsPlacementSingle; } |
| 58 | 58 |
| 59 virtual bool supportsControlTints() const { return false; } | 59 virtual bool supportsControlTints() const { return false; } |
| 60 virtual bool usesOverlayScrollbars() const { return false; } | 60 virtual bool usesOverlayScrollbars() const { return false; } |
| 61 virtual void updateScrollbarOverlayStyle(const ScrollbarThemeClient*) { } | 61 virtual void updateScrollbarOverlayStyle(const ScrollbarThemeClient*) { } |
| 62 | 62 |
| 63 virtual bool invalidateOnMouseEnterExit() { return false; } | 63 virtual bool invalidateOnMouseEnterExit() { return false; } |
| 64 | 64 |
| 65 void invalidateParts(ScrollbarThemeClient* scrollbar, ScrollbarControlPartMa
sk mask) | |
| 66 { | |
| 67 if (mask & BackButtonStartPart) | |
| 68 invalidatePart(scrollbar, BackButtonStartPart); | |
| 69 if (mask & ForwardButtonStartPart) | |
| 70 invalidatePart(scrollbar, ForwardButtonStartPart); | |
| 71 if (mask & BackTrackPart) | |
| 72 invalidatePart(scrollbar, BackTrackPart); | |
| 73 if (mask & ThumbPart) | |
| 74 invalidatePart(scrollbar, ThumbPart); | |
| 75 if (mask & ForwardTrackPart) | |
| 76 invalidatePart(scrollbar, ForwardTrackPart); | |
| 77 if (mask & BackButtonEndPart) | |
| 78 invalidatePart(scrollbar, BackButtonEndPart); | |
| 79 if (mask & ForwardButtonEndPart) | |
| 80 invalidatePart(scrollbar, ForwardButtonEndPart); | |
| 81 } | |
| 82 | |
| 83 virtual void invalidatePart(ScrollbarThemeClient*, ScrollbarPart); | |
| 84 | |
| 85 virtual void paintScrollCorner(GraphicsContext*, const DisplayItemClientWrap
per&, const IntRect& cornerRect); | 65 virtual void paintScrollCorner(GraphicsContext*, const DisplayItemClientWrap
per&, const IntRect& cornerRect); |
| 86 virtual void paintTickmarks(GraphicsContext*, const ScrollbarThemeClient*, c
onst IntRect&) { } | 66 virtual void paintTickmarks(GraphicsContext*, const ScrollbarThemeClient*, c
onst IntRect&) { } |
| 87 | 67 |
| 88 virtual bool shouldCenterOnThumb(const ScrollbarThemeClient*, const Platform
MouseEvent&); | 68 virtual bool shouldCenterOnThumb(const ScrollbarThemeClient*, const Platform
MouseEvent&); |
| 89 virtual bool shouldSnapBackToDragOrigin(const ScrollbarThemeClient*, const P
latformMouseEvent&); | 69 virtual bool shouldSnapBackToDragOrigin(const ScrollbarThemeClient*, const P
latformMouseEvent&); |
| 90 virtual bool shouldDragDocumentInsteadOfThumb(const ScrollbarThemeClient*, c
onst PlatformMouseEvent&) { return false; } | 70 virtual bool shouldDragDocumentInsteadOfThumb(const ScrollbarThemeClient*, c
onst PlatformMouseEvent&) { return false; } |
| 91 | 71 |
| 92 // The position of the thumb relative to the track. | 72 // The position of the thumb relative to the track. |
| 93 virtual int thumbPosition(const ScrollbarThemeClient*); | 73 virtual int thumbPosition(const ScrollbarThemeClient*); |
| 94 // The length of the thumb along the axis of the scrollbar. | 74 // The length of the thumb along the axis of the scrollbar. |
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| 138 static DisplayItem::Type buttonPartToDisplayItemType(ScrollbarPart); | 118 static DisplayItem::Type buttonPartToDisplayItemType(ScrollbarPart); |
| 139 static DisplayItem::Type trackPiecePartToDisplayItemType(ScrollbarPart); | 119 static DisplayItem::Type trackPiecePartToDisplayItemType(ScrollbarPart); |
| 140 | 120 |
| 141 private: | 121 private: |
| 142 static ScrollbarTheme* nativeTheme(); // Must be implemented to return the c
orrect theme subclass. | 122 static ScrollbarTheme* nativeTheme(); // Must be implemented to return the c
orrect theme subclass. |
| 143 static bool gMockScrollbarsEnabled; | 123 static bool gMockScrollbarsEnabled; |
| 144 }; | 124 }; |
| 145 | 125 |
| 146 } | 126 } |
| 147 #endif | 127 #endif |
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Chromium Code Reviews
Issue 1406133005:
Calculate paint invalidation rect for scrollbars (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master