107 lines
4.0 KiB
C++
107 lines
4.0 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 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 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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#pragma once
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#include "FontLoadRequest.h"
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#include <JavaScriptCore/ArrayBufferView.h>
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#include <wtf/WeakPtr.h>
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#include <wtf/text/AtomString.h>
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namespace WebCore {
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class CSSFontFace;
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class CSSFontSelector;
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class Document;
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class Font;
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struct FontCustomPlatformData;
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class FontDescription;
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struct FontSelectionSpecifiedCapabilities;
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struct FontVariantSettings;
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class SVGFontFaceElement;
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class SharedBuffer;
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template <typename T> class FontTaggedSettings;
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typedef FontTaggedSettings<int> FontFeatureSettings;
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class CSSFontFaceSource final : public FontLoadRequestClient {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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CSSFontFaceSource(CSSFontFace& owner, const String& familyNameOrURI);
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CSSFontFaceSource(CSSFontFace& owner, const String& familyNameOrURI, CSSFontSelector&, UniqueRef<FontLoadRequest>&&);
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CSSFontFaceSource(CSSFontFace& owner, const String& familyNameOrURI, SVGFontFaceElement&);
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CSSFontFaceSource(CSSFontFace& owner, const String& familyNameOrURI, Ref<JSC::ArrayBufferView>&&);
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virtual ~CSSFontFaceSource();
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// => Success
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// //
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// Pending => Loading
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// \\.
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// => Failure
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enum class Status {
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Pending,
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Loading,
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Success,
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Failure
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};
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Status status() const { return m_status; }
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const AtomString& familyNameOrURI() const { return m_familyNameOrURI; }
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void opportunisticallyStartFontDataURLLoading();
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void load(Document* = nullptr);
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RefPtr<Font> font(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings&, FontSelectionSpecifiedCapabilities);
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FontLoadRequest* fontLoadRequest() const { return m_fontRequest.get(); }
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bool requiresExternalResource() const { return m_fontRequest.get(); }
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bool isSVGFontFaceSource() const;
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private:
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bool shouldIgnoreFontLoadCompletions() const;
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void fontLoaded(FontLoadRequest&) override;
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void setStatus(Status);
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AtomString m_familyNameOrURI; // URI for remote, built-in font name for local.
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CSSFontFace& m_face; // Our owning font face.
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WeakPtr<CSSFontSelector> m_fontSelector; // For remote fonts, to orchestrate loading.
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std::unique_ptr<FontLoadRequest> m_fontRequest; // Also for remote fonts, a pointer to the resource request.
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RefPtr<SharedBuffer> m_generatedOTFBuffer;
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RefPtr<JSC::ArrayBufferView> m_immediateSource;
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std::unique_ptr<FontCustomPlatformData> m_immediateFontCustomPlatformData;
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WeakPtr<SVGFontFaceElement> m_svgFontFaceElement;
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std::unique_ptr<FontCustomPlatformData> m_inDocumentCustomPlatformData;
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Status m_status { Status::Pending };
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bool m_hasSVGFontFaceElement { false };
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};
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} // namespace WebCore
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