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/*
* Copyright (C) 2022 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
*/
#pragma once
#include "FontSelectionAlgorithm.h"
#include <array>
#include <optional>
#include <wtf/EnumeratedArray.h>
#include <wtf/text/AtomString.h>
namespace WebCore {
class SystemFontDatabase {
public:
WEBCORE_EXPORT static SystemFontDatabase& singleton();
enum class FontShorthand {
// This needs to be kept in sync with CSSValue and CSSPropertyParserHelpers::lowerFontShorthand().
Caption,
Icon,
Menu,
MessageBox,
SmallCaption,
WebkitMiniControl,
WebkitSmallControl,
WebkitControl,
#if PLATFORM(COCOA)
AppleSystemHeadline,
AppleSystemBody,
AppleSystemSubheadline,
AppleSystemFootnote,
AppleSystemCaption1,
AppleSystemCaption2,
AppleSystemShortHeadline,
AppleSystemShortBody,
AppleSystemShortSubheadline,
AppleSystemShortFootnote,
AppleSystemShortCaption1,
AppleSystemTallBody,
AppleSystemTitle0,
AppleSystemTitle1,
AppleSystemTitle2,
AppleSystemTitle3,
AppleSystemTitle4,
#endif
StatusBar, // This has to be kept in sync with SystemFontShorthandCache below.
};
using FontShorthandUnderlyingType = std::underlying_type<FontShorthand>::type;
const AtomString& systemFontShorthandFamily(FontShorthand);
float systemFontShorthandSize(FontShorthand);
FontSelectionValue systemFontShorthandWeight(FontShorthand);
protected:
SystemFontDatabase();
private:
friend class FontCache;
void invalidate();
void platformInvalidate();
struct SystemFontShorthandInfo {
AtomString family;
float size;
FontSelectionValue weight;
};
const SystemFontShorthandInfo& systemFontShorthandInfo(FontShorthand);
static SystemFontShorthandInfo platformSystemFontShorthandInfo(FontShorthand);
using SystemFontShorthandCache = EnumeratedArray<FontShorthand, std::optional<SystemFontShorthandInfo>, FontShorthand::StatusBar>;
SystemFontShorthandCache m_systemFontShorthandCache;
};
} // namespace WebCore
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