| /* |
| * Copyright (C) 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 SKY_ENGINE_CORE_CSS_CSSSEGMENTEDFONTFACE_H_ |
| #define SKY_ENGINE_CORE_CSS_CSSSEGMENTEDFONTFACE_H_ |
| |
| #include "sky/engine/platform/fonts/FontTraits.h" |
| #include "sky/engine/wtf/HashMap.h" |
| #include "sky/engine/wtf/ListHashSet.h" |
| #include "sky/engine/wtf/PassRefPtr.h" |
| #include "sky/engine/wtf/RefCounted.h" |
| #include "sky/engine/wtf/Vector.h" |
| #include "sky/engine/wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class CSSFontFace; |
| class CSSFontSelector; |
| class FontData; |
| class FontDescription; |
| class FontFace; |
| class SegmentedFontData; |
| |
| class CSSSegmentedFontFace final : public RefCounted<CSSSegmentedFontFace> { |
| public: |
| static PassRefPtr<CSSSegmentedFontFace> create(CSSFontSelector* selector, FontTraits traits) |
| { |
| return adoptRef(new CSSSegmentedFontFace(selector, traits)); |
| } |
| ~CSSSegmentedFontFace(); |
| |
| CSSFontSelector* fontSelector() const { return m_fontSelector; } |
| FontTraits traits() const { return m_traits; } |
| |
| void addFontFace(PassRefPtr<FontFace>, bool cssConnected); |
| void removeFontFace(PassRefPtr<FontFace>); |
| bool isEmpty() const { return m_fontFaces.isEmpty(); } |
| |
| PassRefPtr<FontData> getFontData(const FontDescription&); |
| |
| bool checkFont(const String&) const; |
| void match(const String&, Vector<RefPtr<FontFace> >&) const; |
| void willUseFontData(const FontDescription&, UChar32); |
| |
| private: |
| CSSSegmentedFontFace(CSSFontSelector*, FontTraits); |
| |
| void pruneTable(); |
| bool isValid() const; |
| bool isLoading() const; |
| bool isLoaded() const; |
| |
| typedef ListHashSet<RefPtr<FontFace> > FontFaceList; |
| |
| RawPtr<CSSFontSelector> m_fontSelector; |
| FontTraits m_traits; |
| HashMap<unsigned, RefPtr<SegmentedFontData> > m_fontDataTable; |
| // All non-CSS-connected FontFaces are stored after the CSS-connected ones. |
| FontFaceList m_fontFaces; |
| FontFaceList::iterator m_firstNonCssConnectedFace; |
| }; |
| |
| } // namespace blink |
| |
| #endif // SKY_ENGINE_CORE_CSS_CSSSEGMENTEDFONTFACE_H_ |