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ladybird/Libraries/LibWeb/CSS/StyleValues/CSSKeywordValue.cpp
Andreas Kling e85c3c97fb LibWeb: Add mode flag to CSSStyleValue::to_string() 
This will be used to differentiate between serialization for resolved
style (i.e window.getComputedStyle()) and serialization for all other
purposes.
2024-12-07 08:31:03 +00:00

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/*
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
* Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "CSSKeywordValue.h"
#include <LibGfx/Palette.h>
#include <LibWeb/CSS/SystemColor.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/Layout/Node.h>
#include <LibWeb/Page/Page.h>
namespace Web::CSS {
String CSSKeywordValue::to_string(SerializationMode) const
{
return MUST(String::from_utf8(string_from_keyword(keyword())));
}
bool CSSKeywordValue::is_color(Keyword keyword)
{
switch (keyword) {
case Keyword::Accentcolor:
case Keyword::Accentcolortext:
case Keyword::Activeborder:
case Keyword::Activecaption:
case Keyword::Activetext:
case Keyword::Appworkspace:
case Keyword::Background:
case Keyword::Buttonborder:
case Keyword::Buttonface:
case Keyword::Buttonhighlight:
case Keyword::Buttonshadow:
case Keyword::Buttontext:
case Keyword::Canvas:
case Keyword::Canvastext:
case Keyword::Captiontext:
case Keyword::Currentcolor:
case Keyword::Field:
case Keyword::Fieldtext:
case Keyword::Graytext:
case Keyword::Highlight:
case Keyword::Highlighttext:
case Keyword::Inactiveborder:
case Keyword::Inactivecaption:
case Keyword::Inactivecaptiontext:
case Keyword::Infobackground:
case Keyword::Infotext:
case Keyword::LibwebLink:
case Keyword::LibwebPaletteActiveLink:
case Keyword::LibwebPaletteActiveWindowBorder1:
case Keyword::LibwebPaletteActiveWindowBorder2:
case Keyword::LibwebPaletteActiveWindowTitle:
case Keyword::LibwebPaletteBase:
case Keyword::LibwebPaletteBaseText:
case Keyword::LibwebPaletteButton:
case Keyword::LibwebPaletteButtonText:
case Keyword::LibwebPaletteDesktopBackground:
case Keyword::LibwebPaletteFocusOutline:
case Keyword::LibwebPaletteHighlightWindowBorder1:
case Keyword::LibwebPaletteHighlightWindowBorder2:
case Keyword::LibwebPaletteHighlightWindowTitle:
case Keyword::LibwebPaletteHoverHighlight:
case Keyword::LibwebPaletteInactiveSelection:
case Keyword::LibwebPaletteInactiveSelectionText:
case Keyword::LibwebPaletteInactiveWindowBorder1:
case Keyword::LibwebPaletteInactiveWindowBorder2:
case Keyword::LibwebPaletteInactiveWindowTitle:
case Keyword::LibwebPaletteLink:
case Keyword::LibwebPaletteMenuBase:
case Keyword::LibwebPaletteMenuBaseText:
case Keyword::LibwebPaletteMenuSelection:
case Keyword::LibwebPaletteMenuSelectionText:
case Keyword::LibwebPaletteMenuStripe:
case Keyword::LibwebPaletteMovingWindowBorder1:
case Keyword::LibwebPaletteMovingWindowBorder2:
case Keyword::LibwebPaletteMovingWindowTitle:
case Keyword::LibwebPaletteRubberBandBorder:
case Keyword::LibwebPaletteRubberBandFill:
case Keyword::LibwebPaletteRuler:
case Keyword::LibwebPaletteRulerActiveText:
case Keyword::LibwebPaletteRulerBorder:
case Keyword::LibwebPaletteRulerInactiveText:
case Keyword::LibwebPaletteSelection:
case Keyword::LibwebPaletteSelectionText:
case Keyword::LibwebPaletteSyntaxComment:
case Keyword::LibwebPaletteSyntaxControlKeyword:
case Keyword::LibwebPaletteSyntaxIdentifier:
case Keyword::LibwebPaletteSyntaxKeyword:
case Keyword::LibwebPaletteSyntaxNumber:
case Keyword::LibwebPaletteSyntaxOperator:
case Keyword::LibwebPaletteSyntaxPreprocessorStatement:
case Keyword::LibwebPaletteSyntaxPreprocessorValue:
case Keyword::LibwebPaletteSyntaxPunctuation:
case Keyword::LibwebPaletteSyntaxString:
case Keyword::LibwebPaletteSyntaxType:
case Keyword::LibwebPaletteTextCursor:
case Keyword::LibwebPaletteThreedHighlight:
case Keyword::LibwebPaletteThreedShadow1:
case Keyword::LibwebPaletteThreedShadow2:
case Keyword::LibwebPaletteVisitedLink:
case Keyword::LibwebPaletteWindow:
case Keyword::LibwebPaletteWindowText:
case Keyword::Linktext:
case Keyword::Mark:
case Keyword::Marktext:
case Keyword::Menu:
case Keyword::Menutext:
case Keyword::Scrollbar:
case Keyword::Selecteditem:
case Keyword::Selecteditemtext:
case Keyword::Threeddarkshadow:
case Keyword::Threedface:
case Keyword::Threedhighlight:
case Keyword::Threedlightshadow:
case Keyword::Threedshadow:
case Keyword::Visitedtext:
case Keyword::Window:
case Keyword::Windowframe:
case Keyword::Windowtext:
return true;
default:
return false;
}
}
bool CSSKeywordValue::has_color() const
{
return is_color(keyword());
}
Color CSSKeywordValue::to_color(Optional<Layout::NodeWithStyle const&> node) const
{
if (keyword() == Keyword::Currentcolor) {
if (!node.has_value() || !node->has_style())
return Color::Black;
return node->computed_values().color();
}
// First, handle <system-color>s, since they don't require a node.
// https://www.w3.org/TR/css-color-4/#css-system-colors
// https://www.w3.org/TR/css-color-4/#deprecated-system-colors
switch (keyword()) {
case Keyword::Accentcolor:
return SystemColor::accent_color();
case Keyword::Accentcolortext:
return SystemColor::accent_color_text();
case Keyword::Activetext:
return SystemColor::active_text();
case Keyword::Buttonborder:
case Keyword::Activeborder:
case Keyword::Inactiveborder:
case Keyword::Threeddarkshadow:
case Keyword::Threedhighlight:
case Keyword::Threedlightshadow:
case Keyword::Threedshadow:
case Keyword::Windowframe:
return SystemColor::button_border();
case Keyword::Buttonface:
case Keyword::Buttonhighlight:
case Keyword::Buttonshadow:
case Keyword::Threedface:
return SystemColor::button_face();
case Keyword::Buttontext:
return SystemColor::button_text();
case Keyword::Canvas:
case Keyword::Appworkspace:
case Keyword::Background:
case Keyword::Inactivecaption:
case Keyword::Infobackground:
case Keyword::Menu:
case Keyword::Scrollbar:
case Keyword::Window:
return SystemColor::canvas();
case Keyword::Canvastext:
case Keyword::Activecaption:
case Keyword::Captiontext:
case Keyword::Infotext:
case Keyword::Menutext:
case Keyword::Windowtext:
return SystemColor::canvas_text();
case Keyword::Field:
return SystemColor::field();
case Keyword::Fieldtext:
return SystemColor::field_text();
case Keyword::Graytext:
case Keyword::Inactivecaptiontext:
return SystemColor::gray_text();
case Keyword::Highlight:
return SystemColor::highlight();
case Keyword::Highlighttext:
return SystemColor::highlight_text();
case Keyword::Mark:
return SystemColor::mark();
case Keyword::Marktext:
return SystemColor::mark_text();
case Keyword::Selecteditem:
return SystemColor::selected_item();
case Keyword::Selecteditemtext:
return SystemColor::selected_item_text();
case Keyword::Visitedtext:
return SystemColor::visited_text();
default:
break;
}
if (!node.has_value()) {
// FIXME: Can't resolve palette colors without layout node.
return Color::Black;
}
auto& document = node->document();
if (keyword() == Keyword::LibwebLink || keyword() == Keyword::Linktext)
return document.normal_link_color();
auto palette = document.page().palette();
switch (keyword()) {
case Keyword::LibwebPaletteDesktopBackground:
return palette.color(ColorRole::DesktopBackground);
case Keyword::LibwebPaletteActiveWindowBorder1:
return palette.color(ColorRole::ActiveWindowBorder1);
case Keyword::LibwebPaletteActiveWindowBorder2:
return palette.color(ColorRole::ActiveWindowBorder2);
case Keyword::LibwebPaletteActiveWindowTitle:
return palette.color(ColorRole::ActiveWindowTitle);
case Keyword::LibwebPaletteInactiveWindowBorder1:
return palette.color(ColorRole::InactiveWindowBorder1);
case Keyword::LibwebPaletteInactiveWindowBorder2:
return palette.color(ColorRole::InactiveWindowBorder2);
case Keyword::LibwebPaletteInactiveWindowTitle:
return palette.color(ColorRole::InactiveWindowTitle);
case Keyword::LibwebPaletteMovingWindowBorder1:
return palette.color(ColorRole::MovingWindowBorder1);
case Keyword::LibwebPaletteMovingWindowBorder2:
return palette.color(ColorRole::MovingWindowBorder2);
case Keyword::LibwebPaletteMovingWindowTitle:
return palette.color(ColorRole::MovingWindowTitle);
case Keyword::LibwebPaletteHighlightWindowBorder1:
return palette.color(ColorRole::HighlightWindowBorder1);
case Keyword::LibwebPaletteHighlightWindowBorder2:
return palette.color(ColorRole::HighlightWindowBorder2);
case Keyword::LibwebPaletteHighlightWindowTitle:
return palette.color(ColorRole::HighlightWindowTitle);
case Keyword::LibwebPaletteMenuStripe:
return palette.color(ColorRole::MenuStripe);
case Keyword::LibwebPaletteMenuBase:
return palette.color(ColorRole::MenuBase);
case Keyword::LibwebPaletteMenuBaseText:
return palette.color(ColorRole::MenuBaseText);
case Keyword::LibwebPaletteMenuSelection:
return palette.color(ColorRole::MenuSelection);
case Keyword::LibwebPaletteMenuSelectionText:
return palette.color(ColorRole::MenuSelectionText);
case Keyword::LibwebPaletteWindow:
return palette.color(ColorRole::Window);
case Keyword::LibwebPaletteWindowText:
return palette.color(ColorRole::WindowText);
case Keyword::LibwebPaletteButton:
return palette.color(ColorRole::Button);
case Keyword::LibwebPaletteButtonText:
return palette.color(ColorRole::ButtonText);
case Keyword::LibwebPaletteBase:
return palette.color(ColorRole::Base);
case Keyword::LibwebPaletteBaseText:
return palette.color(ColorRole::BaseText);
case Keyword::LibwebPaletteThreedHighlight:
return palette.color(ColorRole::ThreedHighlight);
case Keyword::LibwebPaletteThreedShadow1:
return palette.color(ColorRole::ThreedShadow1);
case Keyword::LibwebPaletteThreedShadow2:
return palette.color(ColorRole::ThreedShadow2);
case Keyword::LibwebPaletteHoverHighlight:
return palette.color(ColorRole::HoverHighlight);
case Keyword::LibwebPaletteSelection:
return palette.color(ColorRole::Selection);
case Keyword::LibwebPaletteSelectionText:
return palette.color(ColorRole::SelectionText);
case Keyword::LibwebPaletteInactiveSelection:
return palette.color(ColorRole::InactiveSelection);
case Keyword::LibwebPaletteInactiveSelectionText:
return palette.color(ColorRole::InactiveSelectionText);
case Keyword::LibwebPaletteRubberBandFill:
return palette.color(ColorRole::RubberBandFill);
case Keyword::LibwebPaletteRubberBandBorder:
return palette.color(ColorRole::RubberBandBorder);
case Keyword::LibwebPaletteLink:
return palette.color(ColorRole::Link);
case Keyword::LibwebPaletteActiveLink:
return palette.color(ColorRole::ActiveLink);
case Keyword::LibwebPaletteVisitedLink:
return palette.color(ColorRole::VisitedLink);
case Keyword::LibwebPaletteRuler:
return palette.color(ColorRole::Ruler);
case Keyword::LibwebPaletteRulerBorder:
return palette.color(ColorRole::RulerBorder);
case Keyword::LibwebPaletteRulerActiveText:
return palette.color(ColorRole::RulerActiveText);
case Keyword::LibwebPaletteRulerInactiveText:
return palette.color(ColorRole::RulerInactiveText);
case Keyword::LibwebPaletteTextCursor:
return palette.color(ColorRole::TextCursor);
case Keyword::LibwebPaletteFocusOutline:
return palette.color(ColorRole::FocusOutline);
case Keyword::LibwebPaletteSyntaxComment:
return palette.color(ColorRole::SyntaxComment);
case Keyword::LibwebPaletteSyntaxNumber:
return palette.color(ColorRole::SyntaxNumber);
case Keyword::LibwebPaletteSyntaxString:
return palette.color(ColorRole::SyntaxString);
case Keyword::LibwebPaletteSyntaxType:
return palette.color(ColorRole::SyntaxType);
case Keyword::LibwebPaletteSyntaxPunctuation:
return palette.color(ColorRole::SyntaxPunctuation);
case Keyword::LibwebPaletteSyntaxOperator:
return palette.color(ColorRole::SyntaxOperator);
case Keyword::LibwebPaletteSyntaxKeyword:
return palette.color(ColorRole::SyntaxKeyword);
case Keyword::LibwebPaletteSyntaxControlKeyword:
return palette.color(ColorRole::SyntaxControlKeyword);
case Keyword::LibwebPaletteSyntaxIdentifier:
return palette.color(ColorRole::SyntaxIdentifier);
case Keyword::LibwebPaletteSyntaxPreprocessorStatement:
return palette.color(ColorRole::SyntaxPreprocessorStatement);
case Keyword::LibwebPaletteSyntaxPreprocessorValue:
return palette.color(ColorRole::SyntaxPreprocessorValue);
default:
return {};
}
}
}
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