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