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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 StyleRareInheritedData_h
26 #define StyleRareInheritedData_h
27 
28 #include "core/css/StyleColor.h"
29 #include "core/rendering/style/DataRef.h"
30 #include "platform/Length.h"
31 #include "platform/graphics/Color.h"
32 #include "wtf/PassRefPtr.h"
33 #include "wtf/RefCounted.h"
34 #include "wtf/RefVector.h"
35 #include "wtf/text/AtomicString.h"
36 
37 namespace WebCore {
38 
39 class AppliedTextDecoration;
40 class CursorData;
41 class QuotesData;
42 class ShadowList;
43 class StyleImage;
44 
45 typedef RefVector<AppliedTextDecoration> AppliedTextDecorationList;
46 typedef RefVector<CursorData> CursorList;
47 
48 // This struct is for rarely used inherited CSS3, CSS2, and WebKit-specific properties.
49 // By grouping them together, we save space, and only allocate this object when someone
50 // actually uses one of these properties.
51 class StyleRareInheritedData : public RefCounted<StyleRareInheritedData> {
52 public:
create()53     static PassRefPtr<StyleRareInheritedData> create() { return adoptRef(new StyleRareInheritedData); }
copy()54     PassRefPtr<StyleRareInheritedData> copy() const { return adoptRef(new StyleRareInheritedData(*this)); }
55     ~StyleRareInheritedData();
56 
57     bool operator==(const StyleRareInheritedData& o) const;
58     bool operator!=(const StyleRareInheritedData& o) const
59     {
60         return !(*this == o);
61     }
62     bool shadowDataEquivalent(const StyleRareInheritedData&) const;
63     bool quotesDataEquivalent(const StyleRareInheritedData&) const;
64 
65     RefPtr<StyleImage> listStyleImage;
66 
textStrokeColor()67     StyleColor textStrokeColor() const { return m_textStrokeColorIsCurrentColor ? StyleColor::currentColor() : StyleColor(m_textStrokeColor); }
textFillColor()68     StyleColor textFillColor() const { return m_textFillColorIsCurrentColor ? StyleColor::currentColor() : StyleColor(m_textFillColor); }
textEmphasisColor()69     StyleColor textEmphasisColor() const { return m_textEmphasisColorIsCurrentColor ? StyleColor::currentColor() : StyleColor(m_textEmphasisColor); }
visitedLinkTextStrokeColor()70     StyleColor visitedLinkTextStrokeColor() const { return m_visitedLinkTextStrokeColorIsCurrentColor ? StyleColor::currentColor() : StyleColor(m_visitedLinkTextStrokeColor); }
visitedLinkTextFillColor()71     StyleColor visitedLinkTextFillColor() const { return m_visitedLinkTextFillColorIsCurrentColor ? StyleColor::currentColor() : StyleColor(m_visitedLinkTextFillColor); }
visitedLinkTextEmphasisColor()72     StyleColor visitedLinkTextEmphasisColor() const { return m_visitedLinkTextEmphasisColorIsCurrentColor ? StyleColor::currentColor() : StyleColor(m_visitedLinkTextEmphasisColor); }
73 
setTextStrokeColor(const StyleColor & color)74     void setTextStrokeColor(const StyleColor& color) { m_textStrokeColor = color.resolve(Color()); m_textStrokeColorIsCurrentColor = color.isCurrentColor(); }
setTextFillColor(const StyleColor & color)75     void setTextFillColor(const StyleColor& color) { m_textFillColor = color.resolve(Color()); m_textFillColorIsCurrentColor = color.isCurrentColor(); }
setTextEmphasisColor(const StyleColor & color)76     void setTextEmphasisColor(const StyleColor& color) { m_textEmphasisColor = color.resolve(Color()); m_textEmphasisColorIsCurrentColor = color.isCurrentColor(); }
setVisitedLinkTextStrokeColor(const StyleColor & color)77     void setVisitedLinkTextStrokeColor(const StyleColor& color) { m_visitedLinkTextStrokeColor = color.resolve(Color()); m_visitedLinkTextStrokeColorIsCurrentColor = color.isCurrentColor(); }
setVisitedLinkTextFillColor(const StyleColor & color)78     void setVisitedLinkTextFillColor(const StyleColor& color) { m_visitedLinkTextFillColor = color.resolve(Color()); m_visitedLinkTextFillColorIsCurrentColor = color.isCurrentColor(); }
setVisitedLinkTextEmphasisColor(const StyleColor & color)79     void setVisitedLinkTextEmphasisColor(const StyleColor& color) { m_visitedLinkTextEmphasisColor = color.resolve(Color()); m_visitedLinkTextEmphasisColorIsCurrentColor = color.isCurrentColor(); }
80 
81     Color m_textStrokeColor;
82     float textStrokeWidth;
83     Color m_textFillColor;
84     Color m_textEmphasisColor;
85 
86     Color m_visitedLinkTextStrokeColor;
87     Color m_visitedLinkTextFillColor;
88     Color m_visitedLinkTextEmphasisColor;
89 
90     RefPtr<ShadowList> textShadow; // Our text shadow information for shadowed text drawing.
91     AtomicString highlight; // Apple-specific extension for custom highlight rendering.
92 
93     RefPtr<CursorList> cursorData;
94     Length indent;
95     float m_effectiveZoom;
96 
97     // Paged media properties.
98     short widows;
99     short orphans;
100     unsigned m_hasAutoWidows : 1;
101     unsigned m_hasAutoOrphans : 1;
102 
103     unsigned m_textStrokeColorIsCurrentColor : 1;
104     unsigned m_textFillColorIsCurrentColor : 1;
105     unsigned m_textEmphasisColorIsCurrentColor : 1;
106     unsigned m_visitedLinkTextStrokeColorIsCurrentColor : 1;
107     unsigned m_visitedLinkTextFillColorIsCurrentColor : 1;
108     unsigned m_visitedLinkTextEmphasisColorIsCurrentColor : 1;
109 
110     unsigned textSecurity : 2; // ETextSecurity
111     unsigned userModify : 2; // EUserModify (editing)
112     unsigned wordBreak : 2; // EWordBreak
113     unsigned overflowWrap : 1; // EOverflowWrap
114     unsigned lineBreak : 3; // LineBreak
115     unsigned resize : 2; // EResize
116     unsigned userSelect : 2; // EUserSelect
117     unsigned speak : 3; // ESpeak
118     unsigned hyphens : 2; // Hyphens
119     unsigned textEmphasisFill : 1; // TextEmphasisFill
120     unsigned textEmphasisMark : 3; // TextEmphasisMark
121     unsigned textEmphasisPosition : 1; // TextEmphasisPosition
122     unsigned m_textAlignLast : 3; // TextAlignLast
123     unsigned m_textJustify : 2; // TextJustify
124     unsigned m_textOrientation : 2; // TextOrientation
125     unsigned m_textIndentLine : 1; // TextIndentEachLine
126     unsigned m_textIndentType : 1; // TextIndentHanging
127     unsigned m_lineBoxContain: 7; // LineBoxContain
128     // CSS Image Values Level 3
129     unsigned m_imageRendering : 2; // EImageRendering
130     unsigned m_textUnderlinePosition : 2; // TextUnderlinePosition
131     unsigned m_rubyPosition : 1; // RubyPosition
132     unsigned m_touchActionDelay : 1; // TouchActionDelay
133 
134     // Though will-change is not itself an inherited property, the intent
135     // expressed by 'will-change: contents' includes descendants.
136     unsigned m_subtreeWillChangeContents : 1;
137 
138     AtomicString hyphenationString;
139     short hyphenationLimitBefore;
140     short hyphenationLimitAfter;
141     short hyphenationLimitLines;
142 
143     AtomicString locale;
144 
145     AtomicString textEmphasisCustomMark;
146     RefPtr<QuotesData> quotes;
147 
148     unsigned m_tabSize;
149 
150     Color tapHighlightColor;
151 
152     RefPtr<AppliedTextDecorationList> appliedTextDecorations;
153 
154 private:
155     StyleRareInheritedData();
156     StyleRareInheritedData(const StyleRareInheritedData&);
157 };
158 
159 } // namespace WebCore
160 
161 #endif // StyleRareInheritedData_h
162