174 lines
5.8 KiB
C++
174 lines
5.8 KiB
C++
/*
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* Copyright (C) 2018 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. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "Color.h"
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#include "FontShadow.h"
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#include <wtf/Forward.h>
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namespace WebCore {
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class EditingStyle;
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class MutableStyleProperties;
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enum class EditAction : uint8_t;
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enum class VerticalAlignChange : uint8_t { Superscript, Baseline, Subscript };
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class FontChanges {
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public:
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, FontChanges&);
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void setFontName(const String& fontName) { m_fontName = fontName; }
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void setFontFamily(const String& fontFamily) { m_fontFamily = fontFamily; }
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void setFontSize(double fontSize) { m_fontSize = fontSize; }
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void setFontSizeDelta(double fontSizeDelta) { m_fontSizeDelta = fontSizeDelta; }
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void setBold(bool bold) { m_bold = bold; }
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void setItalic(bool italic) { m_italic = italic; }
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bool isEmpty() const
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{
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return !m_fontName && !m_fontFamily && !m_fontSize && !m_fontSizeDelta && !m_bold && !m_italic;
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}
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WEBCORE_EXPORT Ref<EditingStyle> createEditingStyle() const;
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Ref<MutableStyleProperties> createStyleProperties() const;
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private:
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const String& platformFontFamilyNameForCSS() const;
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String m_fontName;
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String m_fontFamily;
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std::optional<double> m_fontSize;
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std::optional<double> m_fontSizeDelta;
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std::optional<bool> m_bold;
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std::optional<bool> m_italic;
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};
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class FontAttributeChanges {
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public:
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, FontAttributeChanges&);
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void setVerticalAlign(VerticalAlignChange align) { m_verticalAlign = align; }
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void setBackgroundColor(const Color& color) { m_backgroundColor = color; }
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void setForegroundColor(const Color& color) { m_foregroundColor = color; }
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void setShadow(const FontShadow& shadow) { m_shadow = shadow; }
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void setStrikeThrough(bool strikeThrough) { m_strikeThrough = strikeThrough; }
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void setUnderline(bool underline) { m_underline = underline; }
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void setFontChanges(const FontChanges& fontChanges) { m_fontChanges = fontChanges; }
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WEBCORE_EXPORT Ref<EditingStyle> createEditingStyle() const;
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WEBCORE_EXPORT EditAction editAction() const;
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private:
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std::optional<VerticalAlignChange> m_verticalAlign;
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std::optional<Color> m_backgroundColor;
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std::optional<Color> m_foregroundColor;
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std::optional<FontShadow> m_shadow;
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std::optional<bool> m_strikeThrough;
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std::optional<bool> m_underline;
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FontChanges m_fontChanges;
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};
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template<class Encoder>
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void FontChanges::encode(Encoder& encoder) const
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{
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ASSERT(!m_fontSize || !m_fontSizeDelta);
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encoder << m_fontName << m_fontFamily << m_fontSize << m_fontSizeDelta << m_bold << m_italic;
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}
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template<class Decoder>
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bool FontChanges::decode(Decoder& decoder, FontChanges& changes)
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{
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if (!decoder.decode(changes.m_fontName))
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return false;
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if (!decoder.decode(changes.m_fontFamily))
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return false;
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if (!decoder.decode(changes.m_fontSize))
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return false;
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if (!decoder.decode(changes.m_fontSizeDelta))
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return false;
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if (!decoder.decode(changes.m_bold))
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return false;
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if (!decoder.decode(changes.m_italic))
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return false;
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ASSERT(!changes.m_fontSize || !changes.m_fontSizeDelta);
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return true;
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}
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template<class Encoder>
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void FontAttributeChanges::encode(Encoder& encoder) const
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{
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encoder << m_verticalAlign << m_backgroundColor << m_foregroundColor << m_shadow << m_strikeThrough << m_underline << m_fontChanges;
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}
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template<class Decoder>
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bool FontAttributeChanges::decode(Decoder& decoder, FontAttributeChanges& changes)
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{
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if (!decoder.decode(changes.m_verticalAlign))
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return false;
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if (!decoder.decode(changes.m_backgroundColor))
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return false;
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if (!decoder.decode(changes.m_foregroundColor))
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return false;
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if (!decoder.decode(changes.m_shadow))
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return false;
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if (!decoder.decode(changes.m_strikeThrough))
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return false;
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if (!decoder.decode(changes.m_underline))
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return false;
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if (!decoder.decode(changes.m_fontChanges))
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return false;
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return true;
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}
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} // namespace WebCore
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namespace WTF {
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template<> struct EnumTraits<WebCore::VerticalAlignChange> {
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using values = EnumValues<
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WebCore::VerticalAlignChange,
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WebCore::VerticalAlignChange::Superscript,
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WebCore::VerticalAlignChange::Baseline,
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WebCore::VerticalAlignChange::Subscript
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>;
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};
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}
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