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
|
/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2006, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "ExceptionOr.h"
#include <memory>
#include <wtf/Forward.h>
#include <wtf/Vector.h>
namespace WebCore {
class CSSParser;
class CSSRule;
class CSSStyleSheet;
class Document;
class MediaQuery;
class MediaQuerySet final : public RefCounted<MediaQuerySet> {
public:
static Ref<MediaQuerySet> create()
{
return adoptRef(*new MediaQuerySet);
}
static WEBCORE_EXPORT Ref<MediaQuerySet> create(const String& mediaString);
WEBCORE_EXPORT ~MediaQuerySet();
bool set(const String&);
bool add(const String&);
bool remove(const String&);
void addMediaQuery(MediaQuery&&);
const Vector<MediaQuery>& queryVector() const { return m_queries; }
int lastLine() const { return m_lastLine; }
void setLastLine(int lastLine) { m_lastLine = lastLine; }
WEBCORE_EXPORT String mediaText() const;
Ref<MediaQuerySet> copy() const { return adoptRef(*new MediaQuerySet(*this)); }
void shrinkToFit();
private:
MediaQuerySet();
WEBCORE_EXPORT MediaQuerySet(const String& mediaQuery);
MediaQuerySet(const MediaQuerySet&);
signed m_lastLine;
Vector<MediaQuery> m_queries;
};
class MediaList final : public RefCounted<MediaList> {
public:
static Ref<MediaList> create(MediaQuerySet* mediaQueries, CSSStyleSheet* parentSheet)
{
return adoptRef(*new MediaList(mediaQueries, parentSheet));
}
static Ref<MediaList> create(MediaQuerySet* mediaQueries, CSSRule* parentRule)
{
return adoptRef(*new MediaList(mediaQueries, parentRule));
}
WEBCORE_EXPORT ~MediaList();
unsigned length() const { return m_mediaQueries->queryVector().size(); }
WEBCORE_EXPORT String item(unsigned index) const;
WEBCORE_EXPORT ExceptionOr<void> deleteMedium(const String& oldMedium);
WEBCORE_EXPORT ExceptionOr<void> appendMedium(const String& newMedium);
String mediaText() const { return m_mediaQueries->mediaText(); }
WEBCORE_EXPORT ExceptionOr<void> setMediaText(const String&);
CSSRule* parentRule() const { return m_parentRule; }
CSSStyleSheet* parentStyleSheet() const { return m_parentStyleSheet; }
void clearParentStyleSheet() { ASSERT(m_parentStyleSheet); m_parentStyleSheet = nullptr; }
void clearParentRule() { ASSERT(m_parentRule); m_parentRule = nullptr; }
const MediaQuerySet* queries() const { return m_mediaQueries.get(); }
void reattach(MediaQuerySet*);
private:
MediaList();
MediaList(MediaQuerySet*, CSSStyleSheet* parentSheet);
MediaList(MediaQuerySet*, CSSRule* parentRule);
RefPtr<MediaQuerySet> m_mediaQueries;
CSSStyleSheet* m_parentStyleSheet { nullptr };
CSSRule* m_parentRule { nullptr };
};
// Adds message to inspector console whenever dpi or dpcm values are used for "screen" media.
// FIXME: Seems strange to have this here in this file, and unclear exactly who should call this and when.
void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*);
#if !ENABLE(RESOLUTION_MEDIA_QUERY)
inline void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*)
{
}
#endif
} // namespace
|
