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88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_CORE_CSS_CSSSEGMENTEDFONTFACE_H_
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#define SKY_ENGINE_CORE_CSS_CSSSEGMENTEDFONTFACE_H_
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#include "sky/engine/platform/fonts/FontTraits.h"
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#include "sky/engine/wtf/HashMap.h"
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#include "sky/engine/wtf/ListHashSet.h"
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#include "sky/engine/wtf/PassRefPtr.h"
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#include "sky/engine/wtf/RefCounted.h"
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#include "sky/engine/wtf/Vector.h"
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#include "sky/engine/wtf/text/WTFString.h"
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namespace blink {
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class CSSFontFace;
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class CSSFontSelector;
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class FontData;
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class FontDescription;
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class FontFace;
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class SegmentedFontData;
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class CSSSegmentedFontFace final : public RefCounted<CSSSegmentedFontFace> {
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public:
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static PassRefPtr<CSSSegmentedFontFace> create(CSSFontSelector* selector, FontTraits traits)
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{
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return adoptRef(new CSSSegmentedFontFace(selector, traits));
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}
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~CSSSegmentedFontFace();
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CSSFontSelector* fontSelector() const { return m_fontSelector; }
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FontTraits traits() const { return m_traits; }
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void addFontFace(PassRefPtr<FontFace>, bool cssConnected);
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void removeFontFace(PassRefPtr<FontFace>);
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bool isEmpty() const { return m_fontFaces.isEmpty(); }
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PassRefPtr<FontData> getFontData(const FontDescription&);
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bool checkFont(const String&) const;
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void match(const String&, Vector<RefPtr<FontFace> >&) const;
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void willUseFontData(const FontDescription&, UChar32);
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private:
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CSSSegmentedFontFace(CSSFontSelector*, FontTraits);
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void pruneTable();
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bool isValid() const;
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bool isLoading() const;
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bool isLoaded() const;
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typedef ListHashSet<RefPtr<FontFace> > FontFaceList;
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RawPtr<CSSFontSelector> m_fontSelector;
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FontTraits m_traits;
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HashMap<unsigned, RefPtr<SegmentedFontData> > m_fontDataTable;
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// All non-CSS-connected FontFaces are stored after the CSS-connected ones.
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FontFaceList m_fontFaces;
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FontFaceList::iterator m_firstNonCssConnectedFace;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_CSS_CSSSEGMENTEDFONTFACE_H_
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