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Side by Side Diff: third_party/WebKit/Source/core/layout/LayoutObject.h

Issue 2329463004: ABANDONED CL: Changes needed to make things compile after running rewrite_to_chrome_style tool. (Closed)
Patch Set: Rebasing the fixes... Created 3 years, 10 months ago
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1 /* 1 /*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 * (C) 2000 Antti Koivisto (koivisto@kde.org) 3 * (C) 2000 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Dirk Mueller (mueller@kde.org) 4 * (C) 2000 Dirk Mueller (mueller@kde.org)
5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com) 5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. 6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc.
7 * All rights reserved. 7 * All rights reserved.
8 * Copyright (C) 2009 Google Inc. All rights reserved. 8 * Copyright (C) 2009 Google Inc. All rights reserved.
9 * 9 *
10 * This library is free software; you can redistribute it and/or 10 * This library is free software; you can redistribute it and/or
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2181 // performance. 2181 // performance.
2182 // 2182 //
2183 // This class is an artifact of the WebKit era where LayoutObject wasn't 2183 // This class is an artifact of the WebKit era where LayoutObject wasn't
2184 // allowed to grow and each sub-class was strictly monitored for memory 2184 // allowed to grow and each sub-class was strictly monitored for memory
2185 // increase. Our measurements indicate that the size of LayoutObject and 2185 // increase. Our measurements indicate that the size of LayoutObject and
2186 // subsequent classes do not impact memory or speed in a significant 2186 // subsequent classes do not impact memory or speed in a significant
2187 // manner. This is based on growing LayoutObject in 2187 // manner. This is based on growing LayoutObject in
2188 // https://codereview.chromium.org/44673003 and subsequent relaxations 2188 // https://codereview.chromium.org/44673003 and subsequent relaxations
2189 // of the memory constraints on layout objects. 2189 // of the memory constraints on layout objects.
2190 LayoutObjectBitfields(Node* node) 2190 LayoutObjectBitfields(Node* node)
2191 : m_selfNeedsLayout(false), 2191 : m_SelfNeedsLayout(false),
2192 m_needsPositionedMovementLayout(false), 2192 m_NeedsPositionedMovementLayout(false),
2193 m_normalChildNeedsLayout(false), 2193 m_NormalChildNeedsLayout(false),
2194 m_posChildNeedsLayout(false), 2194 m_PosChildNeedsLayout(false),
2195 m_needsSimplifiedNormalFlowLayout(false), 2195 m_NeedsSimplifiedNormalFlowLayout(false),
2196 m_selfNeedsOverflowRecalcAfterStyleChange(false), 2196 m_SelfNeedsOverflowRecalcAfterStyleChange(false),
2197 m_childNeedsOverflowRecalcAfterStyleChange(false), 2197 m_ChildNeedsOverflowRecalcAfterStyleChange(false),
2198 m_preferredLogicalWidthsDirty(false), 2198 m_PreferredLogicalWidthsDirty(false),
2199 m_childShouldCheckForPaintInvalidation(false), 2199 m_ChildShouldCheckForPaintInvalidation(false),
2200 m_mayNeedPaintInvalidation(false), 2200 m_MayNeedPaintInvalidation(false),
2201 m_mayNeedPaintInvalidationSubtree(false), 2201 m_MayNeedPaintInvalidationSubtree(false),
2202 m_mayNeedPaintInvalidationAnimatedBackgroundImage(false), 2202 m_MayNeedPaintInvalidationAnimatedBackgroundImage(false),
2203 m_shouldInvalidateSelection(false), 2203 m_ShouldInvalidateSelection(false),
2204 m_floating(false), 2204 m_Floating(false),
2205 m_isAnonymous(!node), 2205 m_IsAnonymous(!node),
2206 m_isText(false), 2206 m_IsText(false),
2207 m_isBox(false), 2207 m_IsBox(false),
2208 m_isInline(true), 2208 m_IsInline(true),
2209 m_isAtomicInlineLevel(false), 2209 m_IsAtomicInlineLevel(false),
2210 m_horizontalWritingMode(true), 2210 m_HorizontalWritingMode(true),
2211 m_hasLayer(false), 2211 m_HasLayer(false),
2212 m_hasOverflowClip(false), 2212 m_HasOverflowClip(false),
2213 m_hasTransformRelatedProperty(false), 2213 m_HasTransformRelatedProperty(false),
2214 m_hasReflection(false), 2214 m_HasReflection(false),
2215 m_hasCounterNodeMap(false), 2215 m_HasCounterNodeMap(false),
2216 m_everHadLayout(false), 2216 m_EverHadLayout(false),
2217 m_ancestorLineBoxDirty(false), 2217 m_AncestorLineBoxDirty(false),
2218 m_isInsideFlowThread(false), 2218 m_IsInsideFlowThread(false),
2219 m_subtreeChangeListenerRegistered(false), 2219 m_SubtreeChangeListenerRegistered(false),
2220 m_notifiedOfSubtreeChange(false), 2220 m_NotifiedOfSubtreeChange(false),
2221 m_consumesSubtreeChangeNotification(false), 2221 m_ConsumesSubtreeChangeNotification(false),
2222 m_childrenInline(false), 2222 m_ChildrenInline(false),
2223 m_containsInlineWithOutlineAndContinuation(false), 2223 m_ContainsInlineWithOutlineAndContinuation(false),
2224 m_alwaysCreateLineBoxesForLayoutInline(false), 2224 m_AlwaysCreateLineBoxesForLayoutInline(false),
2225 m_previousBackgroundObscured(false), 2225 m_PreviousBackgroundObscured(false),
2226 m_isBackgroundAttachmentFixedObject(false), 2226 m_IsBackgroundAttachmentFixedObject(false),
2227 m_isScrollAnchorObject(false), 2227 m_IsScrollAnchorObject(false),
2228 m_scrollAnchorDisablingStyleChanged(false), 2228 m_ScrollAnchorDisablingStyleChanged(false),
2229 m_hasBoxDecorationBackground(false), 2229 m_HasBoxDecorationBackground(false),
2230 m_hasPreviousLocationInBacking(false), 2230 m_HasPreviousLocationInBacking(false),
2231 m_hasPreviousSelectionVisualRect(false), 2231 m_HasPreviousSelectionVisualRect(false),
2232 m_hasPreviousBoxGeometries(false), 2232 m_HasPreviousBoxGeometries(false),
2233 m_needsPaintPropertyUpdate(true), 2233 m_NeedsPaintPropertyUpdate(true),
2234 m_subtreeNeedsPaintPropertyUpdate(true), 2234 m_SubtreeNeedsPaintPropertyUpdate(true),
2235 m_descendantNeedsPaintPropertyUpdate(true), 2235 m_DescendantNeedsPaintPropertyUpdate(true),
2236 m_backgroundChangedSinceLastPaintInvalidation(false), 2236 m_BackgroundChangedSinceLastPaintInvalidation(false),
2237 m_outlineMayBeAffectedByDescendants(false), 2237 positioned_state_(kIsStaticallyPositioned),
2238 m_previousOutlineMayBeAffectedByDescendants(false), 2238 selection_state_(kSelectionNone),
2239 m_positionedState(IsStaticallyPositioned), 2239 background_obscuration_state_(kBackgroundObscurationStatusInvalid),
2240 m_selectionState(SelectionNone), 2240 full_paint_invalidation_reason_(kPaintInvalidationNone) {}
2241 m_backgroundObscurationState(BackgroundObscurationStatusInvalid),
2242 m_fullPaintInvalidationReason(PaintInvalidationNone) {}
2243 2241
2244 // Self needs layout means that this layout object is marked for a full 2242 // Self needs layout means that this layout object is marked for a full
2245 // layout. This is the default layout but it is expensive as it recomputes 2243 // layout. This is the default layout but it is expensive as it recomputes
2246 // everything. For CSS boxes, this includes the width (laying out the line 2244 // everything. For CSS boxes, this includes the width (laying out the line
2247 // boxes again), the margins (due to block collapsing margins), the 2245 // boxes again), the margins (due to block collapsing margins), the
2248 // positions, the height and the potential overflow. 2246 // positions, the height and the potential overflow.
2249 ADD_BOOLEAN_BITFIELD(selfNeedsLayout, SelfNeedsLayout); 2247 ADD_BOOLEAN_BITFIELD(selfNeedsLayout, SelfNeedsLayout);
2250 2248
2251 // A positioned movement layout is a specialized type of layout used on 2249 // A positioned movement layout is a specialized type of layout used on
2252 // positioned objects that only visually moved. This layout is used when 2250 // positioned objects that only visually moved. This layout is used when
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2770 CORE_EXPORT void showLineTree(const blink::LayoutObject*); 2768 CORE_EXPORT void showLineTree(const blink::LayoutObject*);
2771 CORE_EXPORT void showLayoutTree(const blink::LayoutObject* object1); 2769 CORE_EXPORT void showLayoutTree(const blink::LayoutObject* object1);
2772 // We don't make object2 an optional parameter so that showLayoutTree 2770 // We don't make object2 an optional parameter so that showLayoutTree
2773 // can be called from gdb easily. 2771 // can be called from gdb easily.
2774 CORE_EXPORT void showLayoutTree(const blink::LayoutObject* object1, 2772 CORE_EXPORT void showLayoutTree(const blink::LayoutObject* object1,
2775 const blink::LayoutObject* object2); 2773 const blink::LayoutObject* object2);
2776 2774
2777 #endif 2775 #endif
2778 2776
2779 #endif // LayoutObject_h 2777 #endif // LayoutObject_h
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