#pragma once
#include <memory>
#include <wtf/Forward.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class CSSParser;
class CSSRule;
class CSSStyleSheet;
class Document;
class MediaQuery;
using ExceptionCode = int;
class MediaQuerySet : public RefCounted<MediaQuerySet> {
public:
static Ref<MediaQuerySet> create()
{
return adoptRef(*new MediaQuerySet);
}
static Ref<MediaQuerySet> create(const String& mediaString)
{
return adoptRef(*new MediaQuerySet(mediaString, false));
}
static Ref<MediaQuerySet> createAllowingDescriptionSyntax(const String& mediaString)
{
return adoptRef(*new MediaQuerySet(mediaString, true));
}
~MediaQuerySet();
bool parse(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; }
String mediaText() const;
Ref<MediaQuerySet> copy() const { return adoptRef(*new MediaQuerySet(*this)); }
private:
MediaQuerySet();
MediaQuerySet(const String& mediaQuery, bool fallbackToDescription);
MediaQuerySet(const MediaQuerySet&);
Optional<MediaQuery> internalParse(CSSParser&, const String&);
Optional<MediaQuery> internalParse(const String&);
unsigned m_fallbackToDescriptor : 1; signed m_lastLine : 31;
Vector<MediaQuery> m_queries;
};
class MediaList : 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));
}
~MediaList();
unsigned length() const { return m_mediaQueries->queryVector().size(); }
String item(unsigned index) const;
void deleteMedium(const String& oldMedium, ExceptionCode&);
void appendMedium(const String& newMedium, ExceptionCode&);
String mediaText() const { return m_mediaQueries->mediaText(); }
void setMediaText(const String&, ExceptionCode&);
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 };
};
void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*);
#if !ENABLE(RESOLUTION_MEDIA_QUERY)
inline void reportMediaQueryWarningIfNeeded(Document*, const MediaQuerySet*)
{
}
#endif
}