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1 /*
2  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
3  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public License
16  * along with this library; see the file COPYING.LIB.  If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  *
20  */
21 
22 #include "config.h"
23 #include "StyleRareNonInheritedData.h"
24 
25 #include "CSSStyleSelector.h"
26 #include "ContentData.h"
27 #include "RenderCounter.h"
28 #include "RenderStyle.h"
29 #include "ShadowData.h"
30 #include "StyleImage.h"
31 
32 namespace WebCore {
33 
StyleRareNonInheritedData()34 StyleRareNonInheritedData::StyleRareNonInheritedData()
35     : lineClamp(RenderStyle::initialLineClamp())
36     , opacity(RenderStyle::initialOpacity())
37     , m_content(0)
38     , m_counterDirectives(0)
39     , userDrag(RenderStyle::initialUserDrag())
40     , textOverflow(RenderStyle::initialTextOverflow())
41     , marginBeforeCollapse(MCOLLAPSE)
42     , marginAfterCollapse(MCOLLAPSE)
43     , matchNearestMailBlockquoteColor(RenderStyle::initialMatchNearestMailBlockquoteColor())
44     , m_appearance(RenderStyle::initialAppearance())
45     , m_borderFit(RenderStyle::initialBorderFit())
46     , m_textCombine(RenderStyle::initialTextCombine())
47     , m_counterIncrement(0)
48     , m_counterReset(0)
49 #if USE(ACCELERATED_COMPOSITING)
50     , m_runningAcceleratedAnimation(false)
51 #endif
52     , m_boxShadow(0)
53     , m_animations(0)
54     , m_transitions(0)
55     , m_mask(FillLayer(MaskFillLayer))
56     , m_transformStyle3D(RenderStyle::initialTransformStyle3D())
57     , m_backfaceVisibility(RenderStyle::initialBackfaceVisibility())
58     , m_perspective(RenderStyle::initialPerspective())
59     , m_perspectiveOriginX(RenderStyle::initialPerspectiveOriginX())
60     , m_perspectiveOriginY(RenderStyle::initialPerspectiveOriginY())
61     , m_pageSize()
62     , m_pageSizeType(PAGE_SIZE_AUTO)
63 {
64 }
65 
StyleRareNonInheritedData(const StyleRareNonInheritedData & o)66 StyleRareNonInheritedData::StyleRareNonInheritedData(const StyleRareNonInheritedData& o)
67     : RefCounted<StyleRareNonInheritedData>()
68     , lineClamp(o.lineClamp)
69     , opacity(o.opacity)
70     , flexibleBox(o.flexibleBox)
71     , marquee(o.marquee)
72     , m_multiCol(o.m_multiCol)
73     , m_transform(o.m_transform)
74     , m_content(0)
75     , m_counterDirectives(0)
76     , userDrag(o.userDrag)
77     , textOverflow(o.textOverflow)
78     , marginBeforeCollapse(o.marginBeforeCollapse)
79     , marginAfterCollapse(o.marginAfterCollapse)
80     , matchNearestMailBlockquoteColor(o.matchNearestMailBlockquoteColor)
81     , m_appearance(o.m_appearance)
82     , m_borderFit(o.m_borderFit)
83     , m_textCombine(o.m_textCombine)
84     , m_counterIncrement(o.m_counterIncrement)
85     , m_counterReset(o.m_counterReset)
86 #if USE(ACCELERATED_COMPOSITING)
87     , m_runningAcceleratedAnimation(o.m_runningAcceleratedAnimation)
88 #endif
89     , m_boxShadow(o.m_boxShadow ? new ShadowData(*o.m_boxShadow) : 0)
90     , m_boxReflect(o.m_boxReflect)
91     , m_animations(o.m_animations ? new AnimationList(*o.m_animations) : 0)
92     , m_transitions(o.m_transitions ? new AnimationList(*o.m_transitions) : 0)
93     , m_mask(o.m_mask)
94     , m_maskBoxImage(o.m_maskBoxImage)
95     , m_transformStyle3D(o.m_transformStyle3D)
96     , m_backfaceVisibility(o.m_backfaceVisibility)
97     , m_perspective(o.m_perspective)
98     , m_perspectiveOriginX(o.m_perspectiveOriginX)
99     , m_perspectiveOriginY(o.m_perspectiveOriginY)
100     , m_pageSize(o.m_pageSize)
101     , m_pageSizeType(o.m_pageSizeType)
102 {
103 }
104 
~StyleRareNonInheritedData()105 StyleRareNonInheritedData::~StyleRareNonInheritedData()
106 {
107 }
108 
operator ==(const StyleRareNonInheritedData & o) const109 bool StyleRareNonInheritedData::operator==(const StyleRareNonInheritedData& o) const
110 {
111     return lineClamp == o.lineClamp
112 #if ENABLE(DASHBOARD_SUPPORT)
113         && m_dashboardRegions == o.m_dashboardRegions
114 #endif
115         && opacity == o.opacity
116         && flexibleBox == o.flexibleBox
117         && marquee == o.marquee
118         && m_multiCol == o.m_multiCol
119         && m_transform == o.m_transform
120         && contentDataEquivalent(o)
121         && m_counterDirectives == o.m_counterDirectives
122         && userDrag == o.userDrag
123         && textOverflow == o.textOverflow
124         && marginBeforeCollapse == o.marginBeforeCollapse
125         && marginAfterCollapse == o.marginAfterCollapse
126         && matchNearestMailBlockquoteColor == o.matchNearestMailBlockquoteColor
127         && m_appearance == o.m_appearance
128         && m_borderFit == o.m_borderFit
129         && m_textCombine == o.m_textCombine
130         && m_counterIncrement == o.m_counterIncrement
131         && m_counterReset == o.m_counterReset
132 #if USE(ACCELERATED_COMPOSITING)
133         && !m_runningAcceleratedAnimation && !o.m_runningAcceleratedAnimation
134 #endif
135         && shadowDataEquivalent(o)
136         && reflectionDataEquivalent(o)
137         && animationDataEquivalent(o)
138         && transitionDataEquivalent(o)
139         && m_mask == o.m_mask
140         && m_maskBoxImage == o.m_maskBoxImage
141         && (m_transformStyle3D == o.m_transformStyle3D)
142         && (m_backfaceVisibility == o.m_backfaceVisibility)
143         && (m_perspective == o.m_perspective)
144         && (m_perspectiveOriginX == o.m_perspectiveOriginX)
145         && (m_perspectiveOriginY == o.m_perspectiveOriginY)
146         && (m_pageSize == o.m_pageSize)
147         && (m_pageSizeType == o.m_pageSizeType)
148         ;
149 }
150 
contentDataEquivalent(const StyleRareNonInheritedData & o) const151 bool StyleRareNonInheritedData::contentDataEquivalent(const StyleRareNonInheritedData& o) const
152 {
153     ContentData* c1 = m_content.get();
154     ContentData* c2 = o.m_content.get();
155 
156     while (c1 && c2) {
157         if (!c1->dataEquivalent(*c2))
158             return false;
159         c1 = c1->next();
160         c2 = c2->next();
161     }
162 
163     return !c1 && !c2;
164 }
165 
shadowDataEquivalent(const StyleRareNonInheritedData & o) const166 bool StyleRareNonInheritedData::shadowDataEquivalent(const StyleRareNonInheritedData& o) const
167 {
168     if ((!m_boxShadow && o.m_boxShadow) || (m_boxShadow && !o.m_boxShadow))
169         return false;
170     if (m_boxShadow && o.m_boxShadow && (*m_boxShadow != *o.m_boxShadow))
171         return false;
172     return true;
173 }
174 
reflectionDataEquivalent(const StyleRareNonInheritedData & o) const175 bool StyleRareNonInheritedData::reflectionDataEquivalent(const StyleRareNonInheritedData& o) const
176 {
177     if (m_boxReflect != o.m_boxReflect) {
178         if (!m_boxReflect || !o.m_boxReflect)
179             return false;
180         return *m_boxReflect == *o.m_boxReflect;
181     }
182     return true;
183 
184 }
185 
animationDataEquivalent(const StyleRareNonInheritedData & o) const186 bool StyleRareNonInheritedData::animationDataEquivalent(const StyleRareNonInheritedData& o) const
187 {
188     if ((!m_animations && o.m_animations) || (m_animations && !o.m_animations))
189         return false;
190     if (m_animations && o.m_animations && (*m_animations != *o.m_animations))
191         return false;
192     return true;
193 }
194 
transitionDataEquivalent(const StyleRareNonInheritedData & o) const195 bool StyleRareNonInheritedData::transitionDataEquivalent(const StyleRareNonInheritedData& o) const
196 {
197     if ((!m_transitions && o.m_transitions) || (m_transitions && !o.m_transitions))
198         return false;
199     if (m_transitions && o.m_transitions && (*m_transitions != *o.m_transitions))
200         return false;
201     return true;
202 }
203 
204 } // namespace WebCore
205