summaryrefslogtreecommitdiffstats
path: root/chromium/third_party/WebKit/Source/core/css/PropertySetCSSStyleDeclaration.h
blob: 20b36855afe8e7599fd9449b90ba201ed31e4659 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*
 * Copyright (C) 2012 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef PropertySetCSSStyleDeclaration_h
#define PropertySetCSSStyleDeclaration_h

#include "core/css/CSSStyleDeclaration.h"
#include "wtf/HashMap.h"
#include "wtf/OwnPtr.h"

namespace WebCore {

class CSSProperty;
class CSSRule;
class CSSValue;
class Element;
class ExceptionState;
class MutableStylePropertySet;
class StyleSheetContents;

class PropertySetCSSStyleDeclaration : public CSSStyleDeclaration {
public:
    PropertySetCSSStyleDeclaration(MutableStylePropertySet* propertySet) : m_propertySet(propertySet) { }

    virtual Element* parentElement() const { return 0; }
    virtual void clearParentElement() { ASSERT_NOT_REACHED(); }
    StyleSheetContents* contextStyleSheet() const;

    virtual void ref() OVERRIDE;
    virtual void deref() OVERRIDE;

private:
    virtual CSSRule* parentRule() const OVERRIDE { return 0; };
    virtual unsigned length() const OVERRIDE;
    virtual String item(unsigned index) const OVERRIDE;
    virtual PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName) OVERRIDE;
    virtual String getPropertyValue(const String& propertyName) OVERRIDE;
    virtual String getPropertyPriority(const String& propertyName) OVERRIDE;
    virtual String getPropertyShorthand(const String& propertyName) OVERRIDE;
    virtual bool isPropertyImplicit(const String& propertyName) OVERRIDE;
    virtual void setProperty(const String& propertyName, const String& value, const String& priority, ExceptionState&) OVERRIDE;
    virtual String removeProperty(const String& propertyName, ExceptionState&) OVERRIDE;
    virtual String cssText() const OVERRIDE;
    virtual void setCSSText(const String&, ExceptionState&) OVERRIDE;
    virtual PassRefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) OVERRIDE;
    virtual String getPropertyValueInternal(CSSPropertyID) OVERRIDE;
    virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionState&) OVERRIDE;

    virtual unsigned variableCount() const OVERRIDE;
    virtual String variableValue(const AtomicString& name) const OVERRIDE;
    virtual bool setVariableValue(const AtomicString& name, const String& value, ExceptionState&) OVERRIDE;
    virtual bool removeVariable(const AtomicString& name) OVERRIDE;
    virtual bool clearVariables(ExceptionState&) OVERRIDE;
    virtual PassRefPtr<CSSVariablesIterator> variablesIterator() const OVERRIDE;

    virtual bool cssPropertyMatches(CSSPropertyID, const CSSValue*) const OVERRIDE;
    virtual PassRefPtr<MutableStylePropertySet> copyProperties() const OVERRIDE;

    CSSValue* cloneAndCacheForCSSOM(CSSValue*);

protected:
    enum MutationType { NoChanges, PropertyChanged };
    virtual void willMutate() { }
    virtual void didMutate(MutationType) { }

    MutableStylePropertySet* m_propertySet;
    OwnPtr<HashMap<CSSValue*, RefPtr<CSSValue> > > m_cssomCSSValueClones;
};

class StyleRuleCSSStyleDeclaration : public PropertySetCSSStyleDeclaration
{
public:
    static PassRefPtr<StyleRuleCSSStyleDeclaration> create(MutableStylePropertySet* propertySet, CSSRule* parentRule)
    {
        return adoptRef(new StyleRuleCSSStyleDeclaration(propertySet, parentRule));
    }

    void clearParentRule() { m_parentRule = 0; }

    virtual void ref() OVERRIDE;
    virtual void deref() OVERRIDE;

    void reattach(MutableStylePropertySet*);

private:
    StyleRuleCSSStyleDeclaration(MutableStylePropertySet*, CSSRule*);
    virtual ~StyleRuleCSSStyleDeclaration();

    virtual CSSStyleSheet* parentStyleSheet() const OVERRIDE;

    virtual CSSRule* parentRule() const OVERRIDE { return m_parentRule;  }

    virtual void willMutate() OVERRIDE;
    virtual void didMutate(MutationType) OVERRIDE;

    unsigned m_refCount;
    CSSRule* m_parentRule;
};

class InlineCSSStyleDeclaration : public PropertySetCSSStyleDeclaration
{
public:
    InlineCSSStyleDeclaration(MutableStylePropertySet* propertySet, Element* parentElement)
        : PropertySetCSSStyleDeclaration(propertySet)
        , m_parentElement(parentElement)
    {
    }

private:
    virtual CSSStyleSheet* parentStyleSheet() const OVERRIDE;
    virtual Element* parentElement() const OVERRIDE { return m_parentElement; }
    virtual void clearParentElement() OVERRIDE { m_parentElement = 0; }

    virtual void didMutate(MutationType) OVERRIDE;

    Element* m_parentElement;
};

} // namespace WebCore

#endif