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84 lines
3.4 KiB
C++
84 lines
3.4 KiB
C++
/*
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* Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
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* Copyright (C) 2013 Google 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_FONTFACECACHE_H_
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#define SKY_ENGINE_CORE_CSS_FONTFACECACHE_H_
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#include "sky/engine/platform/heap/Handle.h"
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#include "sky/engine/wtf/Forward.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/text/StringHash.h"
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namespace blink {
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class FontFace;
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class CSSFontSelector;
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class CSSSegmentedFontFace;
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class FontDescription;
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class StyleRuleFontFace;
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class FontFaceCache final {
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DISALLOW_ALLOCATION();
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public:
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FontFaceCache();
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// FIXME: Remove CSSFontSelector as argument. Passing CSSFontSelector here is
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// a result of egregious spaghettification in FontFace/FontFaceSet.
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void add(CSSFontSelector*, const StyleRuleFontFace*, PassRefPtr<FontFace>);
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void remove(const StyleRuleFontFace*);
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void clearCSSConnected();
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void clearAll();
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void addFontFace(CSSFontSelector*, PassRefPtr<FontFace>, bool cssConnected);
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void removeFontFace(FontFace*, bool cssConnected);
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// FIXME: It's sort of weird that add/remove uses StyleRuleFontFace* as key,
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// but this function uses FontDescription/family pair.
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CSSSegmentedFontFace* get(const FontDescription&, const AtomicString& family);
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const ListHashSet<RefPtr<FontFace> >& cssConnectedFontFaces() const { return m_cssConnectedFontFaces; }
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unsigned version() const { return m_version; }
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void incrementVersion() { ++m_version; }
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private:
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typedef HashMap<unsigned, RefPtr<CSSSegmentedFontFace> > TraitsMap;
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typedef HashMap<String, OwnPtr<TraitsMap>, CaseFoldingHash> FamilyToTraitsMap;
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typedef HashMap<const StyleRuleFontFace*, RefPtr<FontFace> > StyleRuleToFontFace;
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FamilyToTraitsMap m_fontFaces;
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FamilyToTraitsMap m_fonts;
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StyleRuleToFontFace m_styleRuleToFontFace;
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ListHashSet<RefPtr<FontFace> > m_cssConnectedFontFaces;
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// FIXME: See if this could be ditched
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// Used to compare Font instances, and the usage seems suspect.
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unsigned m_version;
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};
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}
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#endif // SKY_ENGINE_CORE_CSS_FONTFACECACHE_H_
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