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