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

   1 /*
   2  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
   3  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
   4  *           (C) 2000 Dirk Mueller (mueller@kde.org)
   5  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
   6  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Library General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Library General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Library General Public License
  19  * along with this library; see the file COPYING.LIB.  If not, write to
  20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21  * Boston, MA 02110-1301, USA.
  22  *
  23  */
  24
  25 #ifndef StyleRareNonInheritedData_h
  26 #define StyleRareNonInheritedData_h
  27
  28 #include "core/CoreExport.h"
  29 #include "core/css/StyleColor.h"
  30 #include "core/layout/ClipPathOperation.h"
  31 #include "core/style/BasicShapes.h"
  32 #include "core/style/CounterDirectives.h"
  33 #include "core/style/CursorData.h"
  34 #include "core/style/DataRef.h"
  35 #include "core/style/FillLayer.h"
  36 #include "core/style/ComputedStyleConstants.h"
  37 #include "core/style/LineClampValue.h"
  38 #include "core/style/NinePieceImage.h"
  39 #include "core/style/ShapeValue.h"
  40 #include "core/style/StyleContentAlignmentData.h"
  41 #include "core/style/StyleScrollSnapData.h"
  42 #include "core/style/StyleSelfAlignmentData.h"
  43 #include "platform/LengthPoint.h"
  44 #include "wtf/OwnPtr.h"
  45 #include "wtf/PassRefPtr.h"
  46 #include "wtf/Vector.h"
  47
  48 namespace blink {
  49
  50 class ContentData;
  51 class CSSAnimationData;
  52 class CSSTransitionData;
  53 class LengthSize;
  54 class ShadowList;
  55 class StyleDeprecatedFlexibleBoxData;
  56 class StyleFilterData;
  57 class StyleFlexibleBoxData;
  58 class StyleGridData;
  59 class StyleGridItemData;
  60 class StyleMultiColData;
  61 class StyleReflection;
  62 class StyleTransformData;
  63 class StyleWillChangeData;
  64
  65 // Page size type.
  66 // StyleRareNonInheritedData::m_pageSize is meaningful only when
  67 // StyleRareNonInheritedData::m_pageSizeType is PAGE_SIZE_RESOLVED.
  68 enum PageSizeType {
  69     PAGE_SIZE_AUTO, // size: auto
  70     PAGE_SIZE_AUTO_LANDSCAPE, // size: landscape
  71     PAGE_SIZE_AUTO_PORTRAIT, // size: portrait
  72     PAGE_SIZE_RESOLVED // Size is fully resolved.
  73 };
  74
  75 // This struct is for rarely used non-inherited CSS3, CSS2, and WebKit-specific properties.
  76 // By grouping them together, we save space, and only allocate this object when someone
  77 // actually uses one of these properties.
  78 class CORE_EXPORT StyleRareNonInheritedData : public RefCounted<StyleRareNonInheritedData> {
  79 public:
  80     static PassRefPtr<StyleRareNonInheritedData> create() { return adoptRef(new StyleRareNonInheritedData); }
  81     PassRefPtr<StyleRareNonInheritedData> copy() const { return adoptRef(new StyleRareNonInheritedData(*this)); }
  82     ~StyleRareNonInheritedData();
  83
  84     bool operator==(const StyleRareNonInheritedData&) const;
  85     bool operator!=(const StyleRareNonInheritedData& o) const { return !(*this == o); }
  86
  87     bool contentDataEquivalent(const StyleRareNonInheritedData&) const;
  88     bool counterDataEquivalent(const StyleRareNonInheritedData&) const;
  89     bool shadowDataEquivalent(const StyleRareNonInheritedData&) const;
  90     bool reflectionDataEquivalent(const StyleRareNonInheritedData&) const;
  91     bool animationDataEquivalent(const StyleRareNonInheritedData&) const;
  92     bool transitionDataEquivalent(const StyleRareNonInheritedData&) const;
  93     bool shapeOutsideDataEquivalent(const StyleRareNonInheritedData&) const;
  94     bool clipPathDataEquivalent(const StyleRareNonInheritedData&) const;
  95     bool hasFilters() const;
  96     bool hasBackdropFilters() const;
  97     bool hasOpacity() const { return opacity < 1; }
  98
  99     float opacity; // Whether or not we're transparent.
 100
 101     float m_perspective;
 102     float m_shapeImageThreshold;
 103
 104     int m_order;
 105
 106     LengthPoint m_perspectiveOrigin;
 107     LengthPoint m_objectPosition;
 108
 109     LineClampValue lineClamp; // An Apple extension.
 110     DraggableRegionMode m_draggableRegionMode;
 111
 112     DataRef<StyleDeprecatedFlexibleBoxData> m_deprecatedFlexibleBox; // Flexible box properties
 113     DataRef<StyleFlexibleBoxData> m_flexibleBox;
 114     DataRef<StyleMultiColData> m_multiCol; //  CSS3 multicol properties
 115     DataRef<StyleTransformData> m_transform; // Transform properties (rotate, scale, skew, etc.)
 116     DataRef<StyleWillChangeData> m_willChange; // CSS Will Change
 117
 118     DataRef<StyleFilterData> m_filter; // Filter operations (url, sepia, blur, etc.)
 119     DataRef<StyleFilterData> m_backdropFilter; // Backdrop filter operations (url, sepia, blur, etc.)
 120
 121     DataRef<StyleGridData> m_grid;
 122     DataRef<StyleGridItemData> m_gridItem;
 123     DataRef<StyleScrollSnapData> m_scrollSnap;
 124
 125     OwnPtrWillBePersistent<ContentData> m_content;
 126     OwnPtr<CounterDirectiveMap> m_counterDirectives;
 127     OwnPtr<CSSAnimationData> m_animations;
 128     OwnPtr<CSSTransitionData> m_transitions;
 129
 130     RefPtr<ShadowList> m_boxShadow;
 131
 132     RefPtr<StyleReflection> m_boxReflect;
 133
 134     RefPtrWillBePersistent<ShapeValue> m_shapeOutside;
 135     RefPtr<ClipPathOperation> m_clipPath;
 136
 137     FillLayer m_mask;
 138     NinePieceImage m_maskBoxImage;
 139
 140     FloatSize m_pageSize;
 141     Length m_shapeMargin;
 142
 143     StyleColor m_textDecorationColor;
 144     StyleColor m_visitedLinkTextDecorationColor;
 145     StyleColor m_visitedLinkBackgroundColor;
 146     StyleColor m_visitedLinkOutlineColor;
 147     StyleColor m_visitedLinkBorderLeftColor;
 148     StyleColor m_visitedLinkBorderRightColor;
 149     StyleColor m_visitedLinkBorderTopColor;
 150     StyleColor m_visitedLinkBorderBottomColor;
 151
 152     Vector<String> m_callbackSelectors;
 153
 154     StyleContentAlignmentData m_alignContent;
 155     StyleSelfAlignmentData m_alignItems;
 156     StyleSelfAlignmentData m_alignSelf;
 157     StyleContentAlignmentData m_justifyContent;
 158     StyleSelfAlignmentData m_justifyItems;
 159     StyleSelfAlignmentData m_justifySelf;
 160
 161     unsigned m_pageSizeType : 2; // PageSizeType
 162     unsigned m_transformStyle3D : 1; // ETransformStyle3D
 163     unsigned m_backfaceVisibility : 1; // EBackfaceVisibility
 164
 165     unsigned userDrag : 2; // EUserDrag
 166     unsigned textOverflow : 1; // Whether or not lines that spill out should be truncated with "..."
 167     unsigned marginBeforeCollapse : 2; // EMarginCollapse
 168     unsigned marginAfterCollapse : 2; // EMarginCollapse
 169     unsigned m_appearance : 6; // EAppearance
 170
 171     unsigned m_textDecorationStyle : 3; // TextDecorationStyle
 172     unsigned m_wrapFlow: 3; // WrapFlow
 173     unsigned m_wrapThrough: 1; // WrapThrough
 174
 175     unsigned m_hasCurrentOpacityAnimation : 1;
 176     unsigned m_hasCurrentTransformAnimation : 1;
 177     unsigned m_hasCurrentFilterAnimation : 1;
 178     unsigned m_hasCurrentBackdropFilterAnimation : 1;
 179     unsigned m_runningOpacityAnimationOnCompositor : 1;
 180     unsigned m_runningTransformAnimationOnCompositor : 1;
 181     unsigned m_runningFilterAnimationOnCompositor : 1;
 182     unsigned m_runningBackdropFilterAnimationOnCompositor : 1;
 183
 184     unsigned m_effectiveBlendMode: 5; // EBlendMode
 185
 186     unsigned m_touchAction : TouchActionBits; // TouchAction
 187
 188     unsigned m_objectFit : 3; // ObjectFit
 189
 190     unsigned m_isolation : 1; // Isolation
 191
 192     // ScrollBehavior. 'scroll-behavior' has 2 accepted values, but ScrollBehavior has a third
 193     // value (that can only be specified using CSSOM scroll APIs) so 2 bits are needed.
 194     unsigned m_scrollBehavior: 2;
 195
 196     unsigned m_scrollSnapType: 2; // ScrollSnapType
 197
 198     // Plugins require accelerated compositing for reasons external to blink.
 199     // In which case, we need to update the ComputedStyle on the LayoutEmbeddedObject,
 200     // so store this bit so that the style actually changes when the plugin
 201     // becomes composited.
 202     unsigned m_requiresAcceleratedCompositingForExternalReasons: 1;
 203
 204     // Whether the transform (if it exists) is stored in the element's inline style.
 205     unsigned m_hasInlineTransform : 1;
 206     unsigned m_resize : 2; // EResize
 207     unsigned m_hasCompositorProxy : 1;
 208
 209     // Style adjustment for appearance is disabled when certain properties are set.
 210     unsigned m_hasAuthorBackground : 1; // Whether there is a author-defined background.
 211     unsigned m_hasAuthorBorder : 1; // Whether there is a author-defined border.
 212
 213 private:
 214     StyleRareNonInheritedData();
 215     StyleRareNonInheritedData(const StyleRareNonInheritedData&);
 216 };
 217
 218 } // namespace blink
 219
 220 #endif // StyleRareNonInheritedData_h