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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights | 2 * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights |
3 * reserved. | 3 * reserved. |
4 * | 4 * |
5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. | 5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. |
6 * | 6 * |
7 * Other contributors: | 7 * Other contributors: |
8 * Robert O'Callahan <roc+@cs.cmu.edu> | 8 * Robert O'Callahan <roc+@cs.cmu.edu> |
9 * David Baron <dbaron@fas.harvard.edu> | 9 * David Baron <dbaron@fas.harvard.edu> |
10 * Christian Biesinger <cbiesinger@gmail.com> | 10 * Christian Biesinger <cbiesinger@gmail.com> |
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1036 } | 1036 } |
1037 | 1037 |
1038 IntRect PaintLayerScrollableArea::rectForHorizontalScrollbar( | 1038 IntRect PaintLayerScrollableArea::rectForHorizontalScrollbar( |
1039 const IntRect& borderBoxRect) const { | 1039 const IntRect& borderBoxRect) const { |
1040 if (!hasHorizontalScrollbar()) | 1040 if (!hasHorizontalScrollbar()) |
1041 return IntRect(); | 1041 return IntRect(); |
1042 | 1042 |
1043 const IntRect& scrollCorner = scrollCornerRect(); | 1043 const IntRect& scrollCorner = scrollCornerRect(); |
1044 | 1044 |
1045 return IntRect(horizontalScrollbarStart(borderBoxRect.x()), | 1045 return IntRect(horizontalScrollbarStart(borderBoxRect.x()), |
1046 borderBoxRect.maxY() - box().borderBottom() - | 1046 borderBoxRect.maxY() - box().borderBottom().toInt() - |
1047 horizontalScrollbar()->scrollbarThickness(), | 1047 horizontalScrollbar()->scrollbarThickness(), |
1048 borderBoxRect.width() - | 1048 borderBoxRect.width() - |
1049 (box().borderLeft() + box().borderRight()) - | 1049 (box().borderLeft() + box().borderRight()).toInt() - |
1050 scrollCorner.width(), | 1050 scrollCorner.width(), |
1051 horizontalScrollbar()->scrollbarThickness()); | 1051 horizontalScrollbar()->scrollbarThickness()); |
1052 } | 1052 } |
1053 | 1053 |
1054 IntRect PaintLayerScrollableArea::rectForVerticalScrollbar( | 1054 IntRect PaintLayerScrollableArea::rectForVerticalScrollbar( |
1055 const IntRect& borderBoxRect) const { | 1055 const IntRect& borderBoxRect) const { |
1056 if (!hasVerticalScrollbar()) | 1056 if (!hasVerticalScrollbar()) |
1057 return IntRect(); | 1057 return IntRect(); |
1058 | 1058 |
1059 const IntRect& scrollCorner = scrollCornerRect(); | 1059 const IntRect& scrollCorner = scrollCornerRect(); |
1060 | 1060 |
1061 return IntRect( | 1061 return IntRect( |
1062 verticalScrollbarStart(borderBoxRect.x(), borderBoxRect.maxX()), | 1062 verticalScrollbarStart(borderBoxRect.x(), borderBoxRect.maxX()), |
1063 borderBoxRect.y() + box().borderTop(), | 1063 borderBoxRect.y() + box().borderTop().toInt(), |
1064 verticalScrollbar()->scrollbarThickness(), | 1064 verticalScrollbar()->scrollbarThickness(), |
1065 borderBoxRect.height() - (box().borderTop() + box().borderBottom()) - | 1065 borderBoxRect.height() - |
| 1066 (box().borderTop() + box().borderBottom()).toInt() - |
1066 scrollCorner.height()); | 1067 scrollCorner.height()); |
1067 } | 1068 } |
1068 | 1069 |
1069 int PaintLayerScrollableArea::verticalScrollbarStart(int minX, int maxX) const { | 1070 int PaintLayerScrollableArea::verticalScrollbarStart(int minX, int maxX) const { |
1070 if (box().shouldPlaceBlockDirectionScrollbarOnLogicalLeft()) | 1071 if (box().shouldPlaceBlockDirectionScrollbarOnLogicalLeft()) |
1071 return minX + box().borderLeft(); | 1072 return minX + box().borderLeft().toInt(); |
1072 return maxX - box().borderRight() - verticalScrollbar()->scrollbarThickness(); | 1073 return maxX - box().borderRight().toInt() - |
| 1074 verticalScrollbar()->scrollbarThickness(); |
1073 } | 1075 } |
1074 | 1076 |
1075 int PaintLayerScrollableArea::horizontalScrollbarStart(int minX) const { | 1077 int PaintLayerScrollableArea::horizontalScrollbarStart(int minX) const { |
1076 int x = minX + box().borderLeft(); | 1078 int x = minX + box().borderLeft().toInt(); |
1077 if (box().shouldPlaceBlockDirectionScrollbarOnLogicalLeft()) | 1079 if (box().shouldPlaceBlockDirectionScrollbarOnLogicalLeft()) |
1078 x += hasVerticalScrollbar() | 1080 x += hasVerticalScrollbar() |
1079 ? verticalScrollbar()->scrollbarThickness() | 1081 ? verticalScrollbar()->scrollbarThickness() |
1080 : resizerCornerRect(box().pixelSnappedBorderBoxRect(), | 1082 : resizerCornerRect(box().pixelSnappedBorderBoxRect(), |
1081 ResizerForPointer) | 1083 ResizerForPointer) |
1082 .width(); | 1084 .width(); |
1083 return x; | 1085 return x; |
1084 } | 1086 } |
1085 | 1087 |
1086 IntSize PaintLayerScrollableArea::scrollbarOffset( | 1088 IntSize PaintLayerScrollableArea::scrollbarOffset( |
1087 const Scrollbar& scrollbar) const { | 1089 const Scrollbar& scrollbar) const { |
1088 if (&scrollbar == verticalScrollbar()) | 1090 if (&scrollbar == verticalScrollbar()) { |
1089 return IntSize(verticalScrollbarStart(0, box().size().width().toInt()), | 1091 return IntSize(verticalScrollbarStart(0, box().size().width().toInt()), |
1090 box().borderTop()); | 1092 box().borderTop().toInt()); |
| 1093 } |
1091 | 1094 |
1092 if (&scrollbar == horizontalScrollbar()) | 1095 if (&scrollbar == horizontalScrollbar()) |
1093 return IntSize( | 1096 return IntSize( |
1094 horizontalScrollbarStart(0), | 1097 horizontalScrollbarStart(0), |
1095 (box().size().height() - box().borderBottom() - scrollbar.height()) | 1098 (box().size().height() - box().borderBottom() - scrollbar.height()) |
1096 .toInt()); | 1099 .toInt()); |
1097 | 1100 |
1098 ASSERT_NOT_REACHED(); | 1101 ASSERT_NOT_REACHED(); |
1099 return IntSize(); | 1102 return IntSize(); |
1100 } | 1103 } |
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1358 resizeControlRect = | 1361 resizeControlRect = |
1359 resizerCornerRect(box().pixelSnappedBorderBoxRect(), ResizerForPointer); | 1362 resizerCornerRect(box().pixelSnappedBorderBoxRect(), ResizerForPointer); |
1360 if (resizeControlRect.contains(localPoint)) | 1363 if (resizeControlRect.contains(localPoint)) |
1361 return true; | 1364 return true; |
1362 } | 1365 } |
1363 | 1366 |
1364 int resizeControlSize = max(resizeControlRect.height(), 0); | 1367 int resizeControlSize = max(resizeControlRect.height(), 0); |
1365 if (hasVerticalScrollbar() && | 1368 if (hasVerticalScrollbar() && |
1366 verticalScrollbar()->shouldParticipateInHitTesting()) { | 1369 verticalScrollbar()->shouldParticipateInHitTesting()) { |
1367 LayoutRect vBarRect(verticalScrollbarStart(0, box().size().width().toInt()), | 1370 LayoutRect vBarRect(verticalScrollbarStart(0, box().size().width().toInt()), |
1368 box().borderTop(), | 1371 box().borderTop().toInt(), |
1369 verticalScrollbar()->scrollbarThickness(), | 1372 verticalScrollbar()->scrollbarThickness(), |
1370 box().size().height().toInt() - | 1373 box().size().height().toInt() - |
1371 (box().borderTop() + box().borderBottom()) - | 1374 (box().borderTop() + box().borderBottom()).toInt() - |
1372 (hasHorizontalScrollbar() | 1375 (hasHorizontalScrollbar() |
1373 ? horizontalScrollbar()->scrollbarThickness() | 1376 ? horizontalScrollbar()->scrollbarThickness() |
1374 : resizeControlSize)); | 1377 : resizeControlSize)); |
1375 if (vBarRect.contains(localPoint)) { | 1378 if (vBarRect.contains(localPoint)) { |
1376 result.setScrollbar(verticalScrollbar()); | 1379 result.setScrollbar(verticalScrollbar()); |
1377 return true; | 1380 return true; |
1378 } | 1381 } |
1379 } | 1382 } |
1380 | 1383 |
1381 resizeControlSize = max(resizeControlRect.width(), 0); | 1384 resizeControlSize = max(resizeControlRect.width(), 0); |
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2099 | 2102 |
2100 void PaintLayerScrollableArea::DelayScrollOffsetClampScope:: | 2103 void PaintLayerScrollableArea::DelayScrollOffsetClampScope:: |
2101 clampScrollableAreas() { | 2104 clampScrollableAreas() { |
2102 for (auto& scrollableArea : *s_needsClamp) | 2105 for (auto& scrollableArea : *s_needsClamp) |
2103 scrollableArea->clampScrollOffsetAfterOverflowChange(); | 2106 scrollableArea->clampScrollOffsetAfterOverflowChange(); |
2104 delete s_needsClamp; | 2107 delete s_needsClamp; |
2105 s_needsClamp = nullptr; | 2108 s_needsClamp = nullptr; |
2106 } | 2109 } |
2107 | 2110 |
2108 } // namespace blink | 2111 } // namespace blink |
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