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