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/*
* Copyright (C) 2018 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 "Color.h"
#include "FontShadow.h"
#include <wtf/Forward.h>
namespace WebCore {
class EditingStyle;
class MutableStyleProperties;
enum class EditAction : uint8_t;
enum class VerticalAlignChange : uint8_t { Superscript, Baseline, Subscript };
class FontChanges {
public:
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, FontChanges&);
void setFontName(const String& fontName) { m_fontName = fontName; }
void setFontFamily(const String& fontFamily) { m_fontFamily = fontFamily; }
void setFontSize(double fontSize) { m_fontSize = fontSize; }
void setFontSizeDelta(double fontSizeDelta) { m_fontSizeDelta = fontSizeDelta; }
void setBold(bool bold) { m_bold = bold; }
void setItalic(bool italic) { m_italic = italic; }
bool isEmpty() const
{
return !m_fontName && !m_fontFamily && !m_fontSize && !m_fontSizeDelta && !m_bold && !m_italic;
}
WEBCORE_EXPORT Ref<EditingStyle> createEditingStyle() const;
Ref<MutableStyleProperties> createStyleProperties() const;
private:
const String& platformFontFamilyNameForCSS() const;
String m_fontName;
String m_fontFamily;
std::optional<double> m_fontSize;
std::optional<double> m_fontSizeDelta;
std::optional<bool> m_bold;
std::optional<bool> m_italic;
};
class FontAttributeChanges {
public:
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, FontAttributeChanges&);
void setVerticalAlign(VerticalAlignChange align) { m_verticalAlign = align; }
void setBackgroundColor(const Color& color) { m_backgroundColor = color; }
void setForegroundColor(const Color& color) { m_foregroundColor = color; }
void setShadow(const FontShadow& shadow) { m_shadow = shadow; }
void setStrikeThrough(bool strikeThrough) { m_strikeThrough = strikeThrough; }
void setUnderline(bool underline) { m_underline = underline; }
void setFontChanges(const FontChanges& fontChanges) { m_fontChanges = fontChanges; }
WEBCORE_EXPORT Ref<EditingStyle> createEditingStyle() const;
WEBCORE_EXPORT EditAction editAction() const;
private:
std::optional<VerticalAlignChange> m_verticalAlign;
std::optional<Color> m_backgroundColor;
std::optional<Color> m_foregroundColor;
std::optional<FontShadow> m_shadow;
std::optional<bool> m_strikeThrough;
std::optional<bool> m_underline;
FontChanges m_fontChanges;
};
template<class Encoder>
void FontChanges::encode(Encoder& encoder) const
{
ASSERT(!m_fontSize || !m_fontSizeDelta);
encoder << m_fontName << m_fontFamily << m_fontSize << m_fontSizeDelta << m_bold << m_italic;
}
template<class Decoder>
bool FontChanges::decode(Decoder& decoder, FontChanges& changes)
{
if (!decoder.decode(changes.m_fontName))
return false;
if (!decoder.decode(changes.m_fontFamily))
return false;
if (!decoder.decode(changes.m_fontSize))
return false;
if (!decoder.decode(changes.m_fontSizeDelta))
return false;
if (!decoder.decode(changes.m_bold))
return false;
if (!decoder.decode(changes.m_italic))
return false;
ASSERT(!changes.m_fontSize || !changes.m_fontSizeDelta);
return true;
}
template<class Encoder>
void FontAttributeChanges::encode(Encoder& encoder) const
{
encoder << m_verticalAlign << m_backgroundColor << m_foregroundColor << m_shadow << m_strikeThrough << m_underline << m_fontChanges;
}
template<class Decoder>
bool FontAttributeChanges::decode(Decoder& decoder, FontAttributeChanges& changes)
{
if (!decoder.decode(changes.m_verticalAlign))
return false;
if (!decoder.decode(changes.m_backgroundColor))
return false;
if (!decoder.decode(changes.m_foregroundColor))
return false;
if (!decoder.decode(changes.m_shadow))
return false;
if (!decoder.decode(changes.m_strikeThrough))
return false;
if (!decoder.decode(changes.m_underline))
return false;
if (!decoder.decode(changes.m_fontChanges))
return false;
return true;
}
} // namespace WebCore
namespace WTF {
template<> struct EnumTraits<WebCore::VerticalAlignChange> {
using values = EnumValues<
WebCore::VerticalAlignChange,
WebCore::VerticalAlignChange::Superscript,
WebCore::VerticalAlignChange::Baseline,
WebCore::VerticalAlignChange::Subscript
>;
};
}
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