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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved. | 4 * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved. |
5 * Copyright (C) 2010 Google Inc. All rights reserved. | 5 * Copyright (C) 2010 Google Inc. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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171 int pixelSnappedOffsetTop(const Element* parent) const { | 171 int pixelSnappedOffsetTop(const Element* parent) const { |
172 return roundToInt(offsetTop(parent)); | 172 return roundToInt(offsetTop(parent)); |
173 } | 173 } |
174 virtual int pixelSnappedOffsetWidth(const Element*) const; | 174 virtual int pixelSnappedOffsetWidth(const Element*) const; |
175 virtual int pixelSnappedOffsetHeight(const Element*) const; | 175 virtual int pixelSnappedOffsetHeight(const Element*) const; |
176 | 176 |
177 bool hasSelfPaintingLayer() const; | 177 bool hasSelfPaintingLayer() const; |
178 PaintLayer* layer() const { return m_layer.get(); } | 178 PaintLayer* layer() const { return m_layer.get(); } |
179 PaintLayerScrollableArea* getScrollableArea() const; | 179 PaintLayerScrollableArea* getScrollableArea() const; |
180 | 180 |
| 181 bool isInStickySubtree() const { return m_isInStickySubtree; } |
| 182 |
181 virtual void updateFromStyle(); | 183 virtual void updateFromStyle(); |
182 | 184 |
183 // The type of PaintLayer to instantiate. Any value returned from this | 185 // The type of PaintLayer to instantiate. Any value returned from this |
184 // function other than NoPaintLayer will populate |m_layer|. | 186 // function other than NoPaintLayer will populate |m_layer|. |
185 virtual PaintLayerType layerTypeRequired() const = 0; | 187 virtual PaintLayerType layerTypeRequired() const = 0; |
186 | 188 |
187 // This will work on inlines to return the bounding box of all of the lines' | 189 // This will work on inlines to return the bounding box of all of the lines' |
188 // border boxes. | 190 // border boxes. |
189 virtual IntRect borderBoundingBox() const = 0; | 191 virtual IntRect borderBoundingBox() const = 0; |
190 | 192 |
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519 if (!m_rareData) | 521 if (!m_rareData) |
520 m_rareData = WTF::makeUnique<LayoutBoxModelObjectRareData>(); | 522 m_rareData = WTF::makeUnique<LayoutBoxModelObjectRareData>(); |
521 return *m_rareData.get(); | 523 return *m_rareData.get(); |
522 } | 524 } |
523 | 525 |
524 // The PaintLayer associated with this object. |m_layer| can be nullptr | 526 // The PaintLayer associated with this object. |m_layer| can be nullptr |
525 // depending on the return value of layerTypeRequired(). | 527 // depending on the return value of layerTypeRequired(). |
526 std::unique_ptr<PaintLayer> m_layer; | 528 std::unique_ptr<PaintLayer> m_layer; |
527 | 529 |
528 std::unique_ptr<LayoutBoxModelObjectRareData> m_rareData; | 530 std::unique_ptr<LayoutBoxModelObjectRareData> m_rareData; |
| 531 |
| 532 bool m_isInStickySubtree; |
529 }; | 533 }; |
530 | 534 |
531 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject()); | 535 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject()); |
532 | 536 |
533 } // namespace blink | 537 } // namespace blink |
534 | 538 |
535 #endif // LayoutBoxModelObject_h | 539 #endif // LayoutBoxModelObject_h |
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