1/*
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
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#ifndef CSSProperty_h
22#define CSSProperty_h
23
24#include "core/CSSPropertyNames.h"
25#include "core/css/CSSPropertyMetadata.h"
26#include "core/css/CSSValue.h"
27#include "platform/RuntimeEnabledFeatures.h"
28#include "platform/text/TextDirection.h"
29#include "platform/text/WritingMode.h"
30#include "wtf/PassRefPtr.h"
31#include "wtf/RefPtr.h"
32
33namespace blink {
34
35struct StylePropertyMetadata {
36    StylePropertyMetadata(CSSPropertyID propertyID, bool isSetFromShorthand, int indexInShorthandsVector, bool important, bool implicit, bool inherited)
37        : m_propertyID(propertyID)
38        , m_isSetFromShorthand(isSetFromShorthand)
39        , m_indexInShorthandsVector(indexInShorthandsVector)
40        , m_important(important)
41        , m_implicit(implicit)
42        , m_inherited(inherited)
43    {
44    }
45
46    CSSPropertyID shorthandID() const;
47
48    uint16_t m_propertyID : 10;
49    uint16_t m_isSetFromShorthand : 1;
50    uint16_t m_indexInShorthandsVector : 2; // If this property was set as part of an ambiguous shorthand, gives the index in the shorthands vector.
51    uint16_t m_important : 1;
52    uint16_t m_implicit : 1; // Whether or not the property was set implicitly as the result of a shorthand.
53    uint16_t m_inherited : 1;
54};
55
56class CSSProperty {
57    ALLOW_ONLY_INLINE_ALLOCATION();
58public:
59    CSSProperty(CSSPropertyID propertyID, PassRefPtrWillBeRawPtr<CSSValue> value, bool important = false, bool isSetFromShorthand = false, int indexInShorthandsVector = 0, bool implicit = false)
60        : m_metadata(propertyID, isSetFromShorthand, indexInShorthandsVector, important, implicit, CSSPropertyMetadata::isInheritedProperty(propertyID))
61        , m_value(value)
62    {
63    }
64
65    // FIXME: Remove this.
66    CSSProperty(StylePropertyMetadata metadata, CSSValue* value)
67        : m_metadata(metadata)
68        , m_value(value)
69    {
70    }
71
72    CSSPropertyID id() const { return static_cast<CSSPropertyID>(m_metadata.m_propertyID); }
73    bool isSetFromShorthand() const { return m_metadata.m_isSetFromShorthand; };
74    CSSPropertyID shorthandID() const { return m_metadata.shorthandID(); };
75    bool isImportant() const { return m_metadata.m_important; }
76
77    CSSValue* value() const { return m_value.get(); }
78
79    void wrapValueInCommaSeparatedList();
80
81    static CSSPropertyID resolveDirectionAwareProperty(CSSPropertyID, TextDirection, WritingMode);
82    static bool isAffectedByAllProperty(CSSPropertyID);
83
84    const StylePropertyMetadata& metadata() const { return m_metadata; }
85
86    void trace(Visitor* visitor) { visitor->trace(m_value); }
87
88private:
89    StylePropertyMetadata m_metadata;
90    RefPtrWillBeMember<CSSValue> m_value;
91};
92
93inline CSSPropertyID prefixingVariantForPropertyId(CSSPropertyID propId)
94{
95    if (RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled()) {
96        switch (propId) {
97        case CSSPropertyAnimation:
98            return CSSPropertyWebkitAnimation;
99        case CSSPropertyAnimationDelay:
100            return CSSPropertyWebkitAnimationDelay;
101        case CSSPropertyAnimationDirection:
102            return CSSPropertyWebkitAnimationDirection;
103        case CSSPropertyAnimationDuration:
104            return CSSPropertyWebkitAnimationDuration;
105        case CSSPropertyAnimationFillMode:
106            return CSSPropertyWebkitAnimationFillMode;
107        case CSSPropertyAnimationIterationCount:
108            return CSSPropertyWebkitAnimationIterationCount;
109        case CSSPropertyAnimationName:
110            return CSSPropertyWebkitAnimationName;
111        case CSSPropertyAnimationPlayState:
112            return CSSPropertyWebkitAnimationPlayState;
113        case CSSPropertyAnimationTimingFunction:
114            return CSSPropertyWebkitAnimationTimingFunction;
115        case CSSPropertyWebkitAnimation:
116            return CSSPropertyAnimation;
117        case CSSPropertyWebkitAnimationDelay:
118            return CSSPropertyAnimationDelay;
119        case CSSPropertyWebkitAnimationDirection:
120            return CSSPropertyAnimationDirection;
121        case CSSPropertyWebkitAnimationDuration:
122            return CSSPropertyAnimationDuration;
123        case CSSPropertyWebkitAnimationFillMode:
124            return CSSPropertyAnimationFillMode;
125        case CSSPropertyWebkitAnimationIterationCount:
126            return CSSPropertyAnimationIterationCount;
127        case CSSPropertyWebkitAnimationName:
128            return CSSPropertyAnimationName;
129        case CSSPropertyWebkitAnimationPlayState:
130            return CSSPropertyAnimationPlayState;
131        case CSSPropertyWebkitAnimationTimingFunction:
132            return CSSPropertyAnimationTimingFunction;
133        default:
134            break;
135        }
136    }
137
138    switch (propId) {
139    case CSSPropertyTransitionDelay:
140        return CSSPropertyWebkitTransitionDelay;
141    case CSSPropertyTransitionDuration:
142        return CSSPropertyWebkitTransitionDuration;
143    case CSSPropertyTransitionProperty:
144        return CSSPropertyWebkitTransitionProperty;
145    case CSSPropertyTransitionTimingFunction:
146        return CSSPropertyWebkitTransitionTimingFunction;
147    case CSSPropertyTransition:
148        return CSSPropertyWebkitTransition;
149    case CSSPropertyWebkitTransitionDelay:
150        return CSSPropertyTransitionDelay;
151    case CSSPropertyWebkitTransitionDuration:
152        return CSSPropertyTransitionDuration;
153    case CSSPropertyWebkitTransitionProperty:
154        return CSSPropertyTransitionProperty;
155    case CSSPropertyWebkitTransitionTimingFunction:
156        return CSSPropertyTransitionTimingFunction;
157    case CSSPropertyWebkitTransition:
158        return CSSPropertyTransition;
159    default:
160        return propId;
161    }
162}
163
164} // namespace blink
165
166WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::CSSProperty);
167
168#endif // CSSProperty_h
169