#ifndef CSSFontFaceSet_h
#define CSSFontFaceSet_h
#include "CSSFontFace.h"
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
class CSSPrimitiveValue;
class FontFaceSet;
class CSSFontFaceSetClient {
public:
virtual ~CSSFontFaceSetClient() { }
virtual void faceFinished(CSSFontFace&, CSSFontFace::Status) { };
virtual void fontModified() { };
virtual void startedLoading() { };
virtual void completedLoading() { };
};
class CSSFontFaceSet final : public RefCounted<CSSFontFaceSet>, public CSSFontFace::Client {
public:
static Ref<CSSFontFaceSet> create()
{
return adoptRef(*new CSSFontFaceSet());
}
~CSSFontFaceSet();
void addClient(CSSFontFaceSetClient&);
void removeClient(CSSFontFaceSetClient&);
bool hasFace(const CSSFontFace&) const;
size_t faceCount() const { return m_faces.size(); }
void add(CSSFontFace&);
void remove(const CSSFontFace&);
void purge();
void clear();
CSSFontFace& operator[](size_t i);
CSSFontFace* lookupByCSSConnection(StyleRuleFontFace&);
bool check(const String& font, const String& text, ExceptionCode&);
CSSSegmentedFontFace* getFontFace(FontTraitsMask, const AtomicString& family);
enum class Status {
Loading,
Loaded
};
Status status() const { return m_status; }
Vector<std::reference_wrapper<CSSFontFace>> matchingFaces(const String& font, const String& text, ExceptionCode&);
void ref() override { RefCounted<CSSFontFaceSet>::ref(); }
void deref() override { RefCounted<CSSFontFaceSet>::deref(); }
private:
CSSFontFaceSet();
void removeFromFacesLookupTable(const CSSFontFace&, const CSSValueList& familiesToSearchFor);
void addToFacesLookupTable(CSSFontFace&);
void incrementActiveCount();
void decrementActiveCount();
void fontStateChanged(CSSFontFace&, CSSFontFace::Status oldState, CSSFontFace::Status newState) override;
void fontPropertyChanged(CSSFontFace&, CSSValueList* oldFamilies = nullptr) override;
void ensureLocalFontFacesForFamilyRegistered(const String&);
static String familyNameFromPrimitive(const CSSPrimitiveValue&);
Vector<Ref<CSSFontFace>> m_faces; HashMap<String, Vector<Ref<CSSFontFace>>, ASCIICaseInsensitiveHash> m_facesLookupTable;
HashMap<String, Vector<Ref<CSSFontFace>>, ASCIICaseInsensitiveHash> m_locallyInstalledFacesLookupTable;
HashMap<String, HashMap<unsigned, RefPtr<CSSSegmentedFontFace>>, ASCIICaseInsensitiveHash> m_cache;
HashMap<StyleRuleFontFace*, CSSFontFace*> m_constituentCSSConnections;
size_t m_facesPartitionIndex { 0 }; Status m_status { Status::Loaded };
HashSet<CSSFontFaceSetClient*> m_clients;
unsigned m_activeCount { 0 };
};
}
#endif