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/*
* Copyright (C) 2007, 2008 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 CSSFontSelector_h
#define CSSFontSelector_h
#include "FontSelector.h"
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/RefPtr.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
class CSSFontFace;
class CSSFontFaceRule;
class CSSSegmentedFontFace;
class Document;
class CachedResourceLoader;
class FontDescription;
class CSSFontSelector : public FontSelector {
public:
static PassRefPtr<CSSFontSelector> create(Document* document)
{
return adoptRef(new CSSFontSelector(document));
}
virtual ~CSSFontSelector();
virtual FontData* getFontData(const FontDescription& fontDescription, const AtomicString& familyName);
void clearDocument() { m_document = 0; }
void addFontFaceRule(const CSSFontFaceRule*);
void fontLoaded();
virtual void fontCacheInvalidated();
void retireCustomFont(FontData*);
bool isEmpty() const;
CachedResourceLoader* cachedResourceLoader() const;
virtual void registerForInvalidationCallbacks(FontSelectorClient*);
virtual void unregisterForInvalidationCallbacks(FontSelectorClient*);
private:
CSSFontSelector(Document*);
void dispatchInvalidationCallbacks();
Document* m_document;
HashMap<String, Vector<RefPtr<CSSFontFace> >*, CaseFoldingHash> m_fontFaces;
HashMap<String, Vector<RefPtr<CSSFontFace> >*, CaseFoldingHash> m_locallyInstalledFontFaces;
HashMap<String, HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >*, CaseFoldingHash> m_fonts;
HashSet<FontSelectorClient*> m_clients;
};
} // namespace WebCore
#endif // CSSFontSelector_h
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