| /* |
| * Copyright (C) 2007, 2008, 2011 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_CSSFONTSELECTOR_H_ |
| #define SKY_ENGINE_CORE_CSS_CSSFONTSELECTOR_H_ |
| |
| #include "sky/engine/core/css/FontFaceCache.h" |
| #include "sky/engine/platform/fonts/FontSelector.h" |
| #include "sky/engine/platform/fonts/GenericFontFamilySettings.h" |
| #include "sky/engine/wtf/Forward.h" |
| #include "sky/engine/wtf/HashMap.h" |
| #include "sky/engine/wtf/HashSet.h" |
| |
| namespace blink { |
| |
| class CSSFontFace; |
| class CSSFontFaceRule; |
| class CSSFontSelectorClient; |
| class CSSSegmentedFontFace; |
| class Document; |
| class FontDescription; |
| class StyleRuleFontFace; |
| |
| class CSSFontSelector final : public FontSelector { |
| public: |
| static PassRefPtr<CSSFontSelector> create(Document* document) |
| { |
| return adoptRef(new CSSFontSelector(document)); |
| } |
| virtual ~CSSFontSelector(); |
| |
| virtual unsigned version() const override { return m_fontFaceCache.version(); } |
| |
| virtual PassRefPtr<FontData> getFontData(const FontDescription&, const AtomicString&) override; |
| virtual void willUseFontData(const FontDescription&, const AtomicString& family, UChar32) override; |
| bool isPlatformFontAvailable(const FontDescription&, const AtomicString& family); |
| |
| void clearDocument(); |
| |
| void fontFaceInvalidated(); |
| |
| // FontCacheClient implementation |
| virtual void fontCacheInvalidated() override; |
| |
| void registerForInvalidationCallbacks(CSSFontSelectorClient*); |
| void unregisterForInvalidationCallbacks(CSSFontSelectorClient*); |
| |
| Document* document() const { return m_document; } |
| FontFaceCache* fontFaceCache() { return &m_fontFaceCache; } |
| |
| const GenericFontFamilySettings& genericFontFamilySettings() const { return m_genericFontFamilySettings; } |
| void updateGenericFontFamilySettings(Document&); |
| |
| private: |
| explicit CSSFontSelector(Document*); |
| |
| void dispatchInvalidationCallbacks(); |
| |
| // FIXME: Oilpan: Ideally this should just be a traced Member but that will |
| // currently leak because RenderStyle and its data are not on the heap. |
| // See crbug.com/383860 for details. |
| RawPtr<Document> m_document; |
| // FIXME: Move to Document or StyleEngine. |
| FontFaceCache m_fontFaceCache; |
| HashSet<RawPtr<CSSFontSelectorClient> > m_clients; |
| |
| GenericFontFamilySettings m_genericFontFamilySettings; |
| }; |
| |
| } // namespace blink |
| |
| #endif // SKY_ENGINE_CORE_CSS_CSSFONTSELECTOR_H_ |