File indexing completed on 2024-04-28 15:22:43

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2009 Germain Garand <germain@ebooksfrance.org>
  *
  * 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 css_webfont_h
 #define css_webfont_h
 
 #include "dom/dom_string.h"
 #include "misc/shared.h"
 #include "misc/loader.h"
 #include "css/css_valueimpl.h"
 
 #include <wtf/HashMap.h>
 #include <wtf/RefPtr.h>
 #include <wtf/HashSet.h>
 #include <wtf/PassRefPtr.h>
 #include <wtf/RefCounted.h>
 #include <wtf/Vector.h>
 
 #include <QHash>
 
 namespace DOM
 {
 
 class CSSFontFace;
 class CSSFontFaceRuleImpl;
 class CSSFontSelector;
 class CSSSegmentedFontFace;
 class DocumentImpl;
 class DocLoader;
 class FontDef;
 
 enum {
     FontStyleNormalBit = 0,
     FontStyleItalicBit,
     FontVariantNormalBit,
     FontVariantSmallCapsBit,
     FontWeight100Bit,
     FontWeight200Bit,
     FontWeight300Bit,
     FontWeight400Bit,
     FontWeight500Bit,
     FontWeight600Bit,
     FontWeight700Bit,
     FontWeight800Bit,
     FontWeight900Bit,
     FontTraitsMaskWidth
 };
 
 enum FontTraitsMask {
     FontStyleNormalMask = 1 << FontStyleNormalBit,
     FontStyleItalicMask = 1 << FontStyleItalicBit,
     FontStyleMask = FontStyleNormalMask | FontStyleItalicMask,
 
     FontVariantNormalMask = 1 << FontVariantNormalBit,
     FontVariantSmallCapsMask = 1 << FontVariantSmallCapsBit,
     FontVariantMask = FontVariantNormalMask | FontVariantSmallCapsMask,
 
     FontWeight100Mask = 1 << FontWeight100Bit,
     FontWeight200Mask = 1 << FontWeight200Bit,
     FontWeight300Mask = 1 << FontWeight300Bit,
     FontWeight400Mask = 1 << FontWeight400Bit,
     FontWeight500Mask = 1 << FontWeight500Bit,
     FontWeight600Mask = 1 << FontWeight600Bit,
     FontWeight700Mask = 1 << FontWeight700Bit,
     FontWeight800Mask = 1 << FontWeight800Bit,
     FontWeight900Mask = 1 << FontWeight900Bit,
     FontWeightMask = FontWeight100Mask | FontWeight200Mask | FontWeight300Mask | FontWeight400Mask | FontWeight500Mask | FontWeight600Mask | FontWeight700Mask | FontWeight800Mask | FontWeight900Mask
 };
 
 class CSSSegmentedFontFace :  public khtml::Shared<CSSSegmentedFontFace>
 {
 public:
     CSSSegmentedFontFace(CSSFontSelector *);
     ~CSSSegmentedFontFace();
 
     bool isLoaded() const;
     bool isValid() const;
     CSSFontSelector *fontSelector() const
     {
         return m_fontSelector;
     }
 
     void fontLoaded(CSSFontFace *);
 
     void appendFontFace(CSSFontFace);
 
 //    FontData* getFontData(const FontDescription&);
 
 private:
 
 //    void pruneTable();
 
     CSSFontSelector *m_fontSelector;
 //    HashMap<unsigned, SegmentedFontData*> m_fontDataTable;
 //    WTF::Vector<WTF::RefPtr<CSSFontFace>, 1> m_fontFaces;
 };
 
 class CSSFontFaceSource : public khtml::CachedObjectClient
 {
 public:
     CSSFontFaceSource(const DOMString &, bool distant = false);
     virtual ~CSSFontFaceSource();
 
     bool isLoaded() const;
     bool isValid() const;
 
     DOMString string() const
     {
         return m_string;
     }
 
     void setFontFace(CSSFontFace *face)
     {
         m_face = face;
     }
 
     void notifyFinished(khtml::CachedObject *finishedObj) override;
     void refLoader();
 
 //    SimpleFontData* getFontData(const FontDef&, bool syntheticBold, bool syntheticItalic, CSSFontSelector*);
 //    void pruneTable();
 
 #if 0
     // ENABLE(SVG_FONTS)
     SVGFontFaceElement *svgFontFaceElement() const
     {
         return m_svgFontFaceElement;
     }
     void setSVGFontFaceElement(SVGFontFaceElement *element)
     {
         m_svgFontFaceElement = element;
     }
 #endif
 
 private:
     DOMString m_string; // URI for remote, built-in font name for local.
     khtml::CachedFont *m_font; // For remote fonts, a pointer to our cached resource.
     CSSFontFace *m_face; // Our owning font face.
     int m_id; // Qt identifier for the Application font.
     bool m_refed;
     bool m_distant;
 //    HashMap<unsigned, SimpleFontData*> m_fontDataTable; // The hash key is composed of size synthetic styles.
 
 #if 0
     // ENABLE(SVG_FONTS)
     SVGFontFaceElement *m_svgFontFaceElement;
     RefPtr<SVGFontElement> m_externalSVGFontElement;
 #endif
 };
 
 class CSSFontFace : public khtml::Shared<CSSFontFace>
 {
 public:
     CSSFontFace(FontTraitsMask traitsMask, CSSFontSelector *fs)
         : m_traitsMask(traitsMask), m_fontSelector(fs), m_refed(false), m_installed(false)
     {
     }
     ~CSSFontFace();
 
     FontTraitsMask traitsMask() const
     {
         return m_traitsMask;
     }
 
     /*
         struct UnicodeRange;
 
         void addRange(UChar32 from, UChar32 to) { m_ranges.append(UnicodeRange(from, to)); }
         const Vector<UnicodeRange>& ranges() const { return m_ranges; }
     */
     void addedToSegmentedFontFace(CSSSegmentedFontFace *);
     void removedFromSegmentedFontFace(CSSSegmentedFontFace *);
 
     bool isLoaded() const;
     bool isValid() const;
 
     void setInstalled();
     bool installed() const;
 
     void addSource(CSSFontFaceSource *);
 
     void fontLoaded(CSSFontFaceSource *);
     void addFamilyName(const DOMString &name)
     {
         m_names.append(name);
     }
     WTF::Vector<DOMString> familyNames() const
     {
         return m_names;
     }
     CSSFontSelector *fontSelector() const
     {
         return m_fontSelector;
     }
     void refLoaders(); // start loading all sources
 
 //    SimpleFontData* getFontData(const FontDef&, bool syntheticBold, bool syntheticItalic);
 
     /*
         struct UnicodeRange {
             UnicodeRange(UChar32 from, UChar32 to)
                 : m_from(from)
                 , m_to(to)
             {
             }
 
             UChar32 from() const { return m_from; }
             UChar32 to() const { return m_to; }
 
         private:
             UChar32 m_from;
             UChar32 m_to;
         };
     */
 
 private:
     FontTraitsMask m_traitsMask;
 //    Vector<UnicodeRange> m_ranges;
 //    HashSet<CSSSegmentedFontFace*> m_segmentedFontFaces;
     WTF::Vector<DOMString> m_names;
     WTF::Vector<CSSFontFaceSource *> m_sources;
     CSSFontSelector *m_fontSelector;
     bool m_refed;
     bool m_installed; // Successfully added into application font db
 };
 
 class CSSFontSelector : public khtml::Shared<CSSFontSelector>
 {
 public:
     CSSFontSelector(DocumentImpl *);
     virtual ~CSSFontSelector();
 
 //    virtual FontData* getFontData(const FontDef& fontDescription, const DOMString& familyName);
     void requestFamilyName(const DOMString &familyName);
     void clearDocument()
     {
         m_document = nullptr;
     }
     void addFontFaceRule(const CSSFontFaceRuleImpl *);
     void fontLoaded();
     virtual void fontCacheInvalidated();
     bool isEmpty() const;
     khtml::DocLoader *docLoader() const;
 
 private:
 
     DocumentImpl *m_document;
 //    HashMap<DOMString, Vector<RefPtr<CSSFontFace> >*, CaseFoldingHash> m_fontFaces;
 //    WTF::HashMap<DOMString, WTF::Vector<WTF::RefPtr<CSSFontFace> >*, CaseFoldingHash> m_locallyInstalledFontFaces;
     QHash<DOMString, CSSFontFace *> m_locallyInstalledFontFaces;
 //    HashMap<DOMString, HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >*, CaseFoldingHash> m_fonts;
 };
 
 } // namespace DOM
 
 #endif // css_webfont_h