third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h - Issue 2051703002: Implement closed shadow adjustment for Element.offsetParent

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Issue 2051703002: Implement closed shadow adjustment for Element.offsetParent (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: test Created 4 years, 6 months ago

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« third_party/WebKit/Source/core/dom/Element.cpp ('K') | « third_party/WebKit/Source/core/layout/LayoutBox.cpp ('k') | third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp » ('j') | no next file with comments »
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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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141 // Populates StickyPositionConstraints, setting the sticky box rect, contain ing block rect and updating	141 // Populates StickyPositionConstraints, setting the sticky box rect, contain ing block rect and updating

142 // the constraint offsets according to the available space.	142 // the constraint offsets according to the available space.

143 FloatRect computeStickyConstrainingRect() const;	143 FloatRect computeStickyConstrainingRect() const;

144 void updateStickyPositionConstraints() const;	144 void updateStickyPositionConstraints() const;

145 LayoutSize stickyPositionOffset() const;	145 LayoutSize stickyPositionOffset() const;

146	146

147 LayoutSize offsetForInFlowPosition() const;	147 LayoutSize offsetForInFlowPosition() const;

148	148

149 // IE extensions. Used to calculate offsetWidth/Height. Overridden by inlin es (LayoutFlow)	149 // IE extensions. Used to calculate offsetWidth/Height. Overridden by inlin es (LayoutFlow)

150 // to return the remaining width on a given line (and the height of a single line).	150 // to return the remaining width on a given line (and the height of a single line).

151 virtual LayoutUnit offsetLeft() const;	151 virtual LayoutUnit offsetLeft(const Element*) const;

152 virtual LayoutUnit offsetTop() const;	152 virtual LayoutUnit offsetTop(const Element*) const;

153 virtual LayoutUnit offsetWidth() const = 0;	153 virtual LayoutUnit offsetWidth() const = 0;

154 virtual LayoutUnit offsetHeight() const = 0;	154 virtual LayoutUnit offsetHeight() const = 0;

155	155

156 int pixelSnappedOffsetLeft() const { return roundToInt(offsetLeft()); }	156 int pixelSnappedOffsetLeft(const Element* parent) const { return roundToInt( offsetLeft(parent)); }

157 int pixelSnappedOffsetTop() const { return roundToInt(offsetTop()); }	157 int pixelSnappedOffsetTop(const Element* parent) const { return roundToInt(o ffsetTop(parent)); }

158 virtual int pixelSnappedOffsetWidth() const;	158 virtual int pixelSnappedOffsetWidth(const Element*) const;

159 virtual int pixelSnappedOffsetHeight() const;	159 virtual int pixelSnappedOffsetHeight(const Element*) const;

160	160

161 bool hasSelfPaintingLayer() const;	161 bool hasSelfPaintingLayer() const;

162 PaintLayer* layer() const { return m_layer.get(); }	162 PaintLayer* layer() const { return m_layer.get(); }

163 PaintLayerScrollableArea* getScrollableArea() const;	163 PaintLayerScrollableArea* getScrollableArea() const;

164	164

165 virtual void updateFromStyle();	165 virtual void updateFromStyle();

166	166

167 // The type of PaintLayer to instantiate.	167 // The type of PaintLayer to instantiate.

168 // Any value returned from this function other than NoPaintLayer	168 // Any value returned from this function other than NoPaintLayer

169 // will populate \|m_layer\|.	169 // will populate \|m_layer\|.

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297 void invalidateDisplayItemClientOnBacking(const DisplayItemClient&, PaintInv alidationReason, const LayoutObject* = nullptr) const;	297 void invalidateDisplayItemClientOnBacking(const DisplayItemClient&, PaintInv alidationReason, const LayoutObject* = nullptr) const;

298	298

299 // http://www.w3.org/TR/css3-background/#body-background	299 // http://www.w3.org/TR/css3-background/#body-background

300 // <html> root element with no background steals background from its first < body> child.	300 // <html> root element with no background steals background from its first < body> child.

301 // The used background for such body element should be the initial value. (i .e. transparent)	301 // The used background for such body element should be the initial value. (i .e. transparent)

302 bool backgroundStolenForBeingBody(const ComputedStyle* rootElementStyle = nu llptr) const;	302 bool backgroundStolenForBeingBody(const ComputedStyle* rootElementStyle = nu llptr) const;

303	303

304 protected:	304 protected:

305 void willBeDestroyed() override;	305 void willBeDestroyed() override;

306	306

307 LayoutPoint adjustedPositionRelativeToOffsetParent(const LayoutPoint&) const ;	307 LayoutPoint adjustedPositionRelativeTo(const LayoutPoint&, const Element*) c onst;

308	308

309 bool calculateHasBoxDecorations() const;	309 bool calculateHasBoxDecorations() const;

310	310

311 // Returns the continuation associated with \|this\|.	311 // Returns the continuation associated with \|this\|.

312 // Returns nullptr if no continuation is associated with \|this\|.	312 // Returns nullptr if no continuation is associated with \|this\|.

313 //	313 //

314 // See the section about CONTINUATIONS AND ANONYMOUS LAYOUTBLOCKFLOWS in	314 // See the section about CONTINUATIONS AND ANONYMOUS LAYOUTBLOCKFLOWS in

315 // LayoutInline for more details about them.	315 // LayoutInline for more details about them.

316 //	316 //

317 // Our implementation uses a HashMap to store them to avoid paying the cost	317 // Our implementation uses a HashMap to store them to avoid paying the cost

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383 OwnPtr<PaintLayer> m_layer;	383 OwnPtr<PaintLayer> m_layer;

384	384

385 OwnPtr<LayoutBoxModelObjectRareData> m_rareData;	385 OwnPtr<LayoutBoxModelObjectRareData> m_rareData;

386 };	386 };

387	387

388 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject());	388 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject());

389	389

390 } // namespace blink	390 } // namespace blink

391	391

392 #endif // LayoutBoxModelObject_h	392 #endif // LayoutBoxModelObject_h

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