debugging for crbug.com/646539

third_party/WebKit/Source/core/style/StyleRareNonInheritedData.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef StyleRareNonInheritedData_h
 #define StyleRareNonInheritedData_h
 
 #include "core/CoreExport.h"
 #include "core/css/StyleColor.h"
-#include "core/style/ClipPathOperation.h"
-#include "core/style/ComputedStyleConstants.h"
-#include "core/style/CounterDirectives.h"
-#include "core/style/DataPersistent.h"
-#include "core/style/DataRef.h"
-#include "core/style/FillLayer.h"
-#include "core/style/LineClampValue.h"
-#include "core/style/NinePieceImage.h"
-#include "core/style/ShapeValue.h"
-#include "core/style/StyleContentAlignmentData.h"
-#include "core/style/StyleScrollSnapData.h"
-#include "core/style/StyleSelfAlignmentData.h"
-#include "platform/LengthPoint.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
-#include "wtf/Vector.h"
-#include <memory>
 
 namespace blink {
 
-class ContentData;
-class CSSAnimationData;
-class CSSTransitionData;
-class LengthSize;
-class ShadowList;
-class StyleDeprecatedFlexibleBoxData;
-class StyleFilterData;
-class StyleFlexibleBoxData;
-class StyleGridData;
-class StyleGridItemData;
-class StyleMultiColData;
-class StyleReflection;
-class StyleTransformData;
-class StyleWillChangeData;
-
-// Page size type.
-// StyleRareNonInheritedData::m_pageSize is meaningful only when
-// StyleRareNonInheritedData::m_pageSizeType is PAGE_SIZE_RESOLVED.
-enum PageSizeType {
-    PAGE_SIZE_AUTO, // size: auto
-    PAGE_SIZE_AUTO_LANDSCAPE, // size: landscape
-    PAGE_SIZE_AUTO_PORTRAIT, // size: portrait
-    PAGE_SIZE_RESOLVED // Size is fully resolved.
-};
-
-// This struct is for rarely used non-inherited CSS3, CSS2, and WebKit-specific properties.
-// By grouping them together, we save space, and only allocate this object when someone
-// actually uses one of these properties.
-// TODO(sashab): Move this into a private class on ComputedStyle, and remove
-// all methods on it, merging them into copy/creation methods on ComputedStyle
-// instead. Keep the allocation logic, only allocating a new object if needed.
-class CORE_EXPORT StyleRareNonInheritedData : public RefCounted<StyleRareNonInheritedData> {
-public:
-    static PassRefPtr<StyleRareNonInheritedData> create() { return adoptRef(new StyleRareNonInheritedData); }
-    PassRefPtr<StyleRareNonInheritedData> copy() const { return adoptRef(new StyleRareNonInheritedData(*this)); }
-    ~StyleRareNonInheritedData();
-
-    bool operator==(const StyleRareNonInheritedData&) const;
-    bool operator!=(const StyleRareNonInheritedData& o) const { return !(*this == o); }
-
-    bool contentDataEquivalent(const StyleRareNonInheritedData&) const;
-    bool counterDataEquivalent(const StyleRareNonInheritedData&) const;
-    bool shadowDataEquivalent(const StyleRareNonInheritedData&) const;
-    bool reflectionDataEquivalent(const StyleRareNonInheritedData&) const;
-    bool animationDataEquivalent(const StyleRareNonInheritedData&) const;
-    bool transitionDataEquivalent(const StyleRareNonInheritedData&) const;
-    bool shapeOutsideDataEquivalent(const StyleRareNonInheritedData&) const;
-    bool clipPathDataEquivalent(const StyleRareNonInheritedData&) const;
-    bool hasFilters() const;
-    bool hasBackdropFilters() const;
-    bool hasOpacity() const { return opacity < 1; }
-
-    float opacity; // Whether or not we're transparent.
-
-    float m_perspective;
-    float m_shapeImageThreshold;
-
-    int m_order;
-
-    LengthPoint m_perspectiveOrigin;
-    LengthPoint m_objectPosition;
-
-    LineClampValue lineClamp; // An Apple extension.
-    DraggableRegionMode m_draggableRegionMode;
-
-    DataRef<StyleDeprecatedFlexibleBoxData> m_deprecatedFlexibleBox; // Flexible box properties
-    DataRef<StyleFlexibleBoxData> m_flexibleBox;
-    DataRef<StyleMultiColData> m_multiCol; //  CSS3 multicol properties
-    DataRef<StyleTransformData> m_transform; // Transform properties (rotate, scale, skew, etc.)
-    DataRef<StyleWillChangeData> m_willChange; // CSS Will Change
-
-    DataPersistent<StyleFilterData> m_filter; // Filter operations (url, sepia, blur, etc.)
-    DataPersistent<StyleFilterData> m_backdropFilter; // Backdrop filter operations (url, sepia, blur, etc.)
-
-    DataRef<StyleGridData> m_grid;
-    DataRef<StyleGridItemData> m_gridItem;
-    DataRef<StyleScrollSnapData> m_scrollSnap;
-
-    Persistent<ContentData> m_content;
-    std::unique_ptr<CounterDirectiveMap> m_counterDirectives;
-    std::unique_ptr<CSSAnimationData> m_animations;
-    std::unique_ptr<CSSTransitionData> m_transitions;
-
-    RefPtr<ShadowList> m_boxShadow;
-
-    RefPtr<StyleReflection> m_boxReflect;
-
-    Persistent<ShapeValue> m_shapeOutside;
-    RefPtr<ClipPathOperation> m_clipPath;
-
-    FillLayer m_mask;
-    NinePieceImage m_maskBoxImage;
-
-    FloatSize m_pageSize;
-    Length m_shapeMargin;
-
-    StyleColor m_textDecorationColor;
-    StyleColor m_visitedLinkTextDecorationColor;
-    StyleColor m_visitedLinkBackgroundColor;
-    StyleColor m_visitedLinkOutlineColor;
-    StyleColor m_visitedLinkBorderLeftColor;
-    StyleColor m_visitedLinkBorderRightColor;
-    StyleColor m_visitedLinkBorderTopColor;
-    StyleColor m_visitedLinkBorderBottomColor;
-
-    Vector<String> m_callbackSelectors;
-
-    std::unique_ptr<Vector<Persistent<StyleImage>>> m_paintImages;
-
-    StyleContentAlignmentData m_alignContent;
-    StyleSelfAlignmentData m_alignItems;
-    StyleSelfAlignmentData m_alignSelf;
-    StyleContentAlignmentData m_justifyContent;
-    StyleSelfAlignmentData m_justifyItems;
-    StyleSelfAlignmentData m_justifySelf;
-
-    unsigned m_pageSizeType : 2; // PageSizeType
-    unsigned m_transformStyle3D : 1; // ETransformStyle3D
-    unsigned m_backfaceVisibility : 1; // EBackfaceVisibility
-
-    unsigned userDrag : 2; // EUserDrag
-    unsigned textOverflow : 1; // Whether or not lines that spill out should be truncated with "..."
-    unsigned marginBeforeCollapse : 2; // EMarginCollapse
-    unsigned marginAfterCollapse : 2; // EMarginCollapse
-    unsigned m_appearance : 6; // EAppearance
-
-    unsigned m_textDecorationStyle : 3; // TextDecorationStyle
-
-    unsigned m_hasCurrentOpacityAnimation : 1;
-    unsigned m_hasCurrentTransformAnimation : 1;
-    unsigned m_hasCurrentFilterAnimation : 1;
-    unsigned m_hasCurrentBackdropFilterAnimation : 1;
-    unsigned m_runningOpacityAnimationOnCompositor : 1;
-    unsigned m_runningTransformAnimationOnCompositor : 1;
-    unsigned m_runningFilterAnimationOnCompositor : 1;
-    unsigned m_runningBackdropFilterAnimationOnCompositor : 1;
-
-    unsigned m_isStackingContext : 1;
-
-    unsigned m_effectiveBlendMode: 5; // EBlendMode
-
-    unsigned m_touchAction : TouchActionBits; // TouchAction
-
-    unsigned m_objectFit : 3; // ObjectFit
-
-    unsigned m_isolation : 1; // Isolation
-
-    unsigned m_contain : 4; // Containment
-
-    // ScrollBehavior. 'scroll-behavior' has 2 accepted values, but ScrollBehavior has a third
-    // value (that can only be specified using CSSOM scroll APIs) so 2 bits are needed.
-    unsigned m_scrollBehavior: 2;
-
-    unsigned m_scrollSnapType: 2; // ScrollSnapType
-
-    // Plugins require accelerated compositing for reasons external to blink.
-    // In which case, we need to update the ComputedStyle on the LayoutEmbeddedObject,
-    // so store this bit so that the style actually changes when the plugin
-    // becomes composited.
-    unsigned m_requiresAcceleratedCompositingForExternalReasons: 1;
-
-    // Whether the transform (if it exists) is stored in the element's inline style.
-    unsigned m_hasInlineTransform : 1;
-    unsigned m_resize : 2; // EResize
-    unsigned m_hasCompositorProxy : 1;
-
-    // Style adjustment for appearance is disabled when certain properties are set.
-    unsigned m_hasAuthorBackground : 1; // Whether there is a author-defined background.
-    unsigned m_hasAuthorBorder : 1; // Whether there is a author-defined border.
-
-private:
-    StyleRareNonInheritedData();
-    StyleRareNonInheritedData(const StyleRareNonInheritedData&);
-};
-
 } // namespace blink
 
 #endif // StyleRareNonInheritedData_h