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ladybird/Userland/Libraries/LibWeb/CSS/StyleValues/IdentifierStyleValue.cpp

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LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
2023-03-24 15:04:24 +00:00
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "IdentifierStyleValue.h"
#include <LibGfx/Palette.h>
LibWeb: Implement `<system-color>` and `<deprecated-color>` keywords The spec allows for these either to be based on the OS, or to be defined by the browser. Looking at the other browser engines, there's a mix of the two options. Since we've had issues with using OS colors as defaults, let's use hard-coded colors for now. Some of these are based on the definitions in https://html.spec.whatwg.org/multipage/rendering.html
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#include <LibWeb/CSS/SystemColor.h>
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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#include <LibWeb/DOM/Document.h>
#include <LibWeb/Layout/Node.h>
LibWeb: Remove FrameLoader This class is no longer used, now that we've moved to navigables.
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#include <LibWeb/Page/Page.h>
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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namespace Web::CSS {
LibWeb: Make StyleValue::to_string() infallible
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String IdentifierStyleValue::to_string() const
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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{
LibWeb: Make StyleValue::to_string() infallible
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return MUST(String::from_utf8(CSS::string_from_value_id(m_id)));
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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}
LibWeb: Deduplicate "ident is color" check Reuse the check from IdentifierStyleValue in the CSS Parser, instead of duplicating it. This might not be the ideal place to put it, but it works for now.
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bool IdentifierStyleValue::is_color(ValueID value_id)
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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{
LibWeb: Deduplicate "ident is color" check Reuse the check from IdentifierStyleValue in the CSS Parser, instead of duplicating it. This might not be the ideal place to put it, but it works for now.
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switch (value_id) {
LibWeb: Implement `<system-color>` and `<deprecated-color>` keywords The spec allows for these either to be based on the OS, or to be defined by the browser. Looking at the other browser engines, there's a mix of the two options. Since we've had issues with using OS colors as defaults, let's use hard-coded colors for now. Some of these are based on the definitions in https://html.spec.whatwg.org/multipage/rendering.html
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case ValueID::Accentcolor:
case ValueID::Accentcolortext:
case ValueID::Activeborder:
case ValueID::Activecaption:
case ValueID::Activetext:
case ValueID::Appworkspace:
case ValueID::Background:
case ValueID::Buttonborder:
case ValueID::Buttonface:
case ValueID::Buttonhighlight:
case ValueID::Buttonshadow:
case ValueID::Buttontext:
case ValueID::Canvas:
case ValueID::Canvastext:
case ValueID::Captiontext:
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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case ValueID::Currentcolor:
LibWeb: Implement `<system-color>` and `<deprecated-color>` keywords The spec allows for these either to be based on the OS, or to be defined by the browser. Looking at the other browser engines, there's a mix of the two options. Since we've had issues with using OS colors as defaults, let's use hard-coded colors for now. Some of these are based on the definitions in https://html.spec.whatwg.org/multipage/rendering.html
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case ValueID::Field:
case ValueID::Fieldtext:
case ValueID::Graytext:
case ValueID::Highlight:
case ValueID::Highlighttext:
case ValueID::Inactiveborder:
case ValueID::Inactivecaption:
case ValueID::Inactivecaptiontext:
case ValueID::Infobackground:
case ValueID::Infotext:
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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case ValueID::LibwebLink:
case ValueID::LibwebPaletteActiveLink:
case ValueID::LibwebPaletteActiveWindowBorder1:
case ValueID::LibwebPaletteActiveWindowBorder2:
case ValueID::LibwebPaletteActiveWindowTitle:
case ValueID::LibwebPaletteBase:
case ValueID::LibwebPaletteBaseText:
case ValueID::LibwebPaletteButton:
case ValueID::LibwebPaletteButtonText:
case ValueID::LibwebPaletteDesktopBackground:
case ValueID::LibwebPaletteFocusOutline:
case ValueID::LibwebPaletteHighlightWindowBorder1:
case ValueID::LibwebPaletteHighlightWindowBorder2:
case ValueID::LibwebPaletteHighlightWindowTitle:
case ValueID::LibwebPaletteHoverHighlight:
case ValueID::LibwebPaletteInactiveSelection:
case ValueID::LibwebPaletteInactiveSelectionText:
case ValueID::LibwebPaletteInactiveWindowBorder1:
case ValueID::LibwebPaletteInactiveWindowBorder2:
case ValueID::LibwebPaletteInactiveWindowTitle:
case ValueID::LibwebPaletteLink:
case ValueID::LibwebPaletteMenuBase:
case ValueID::LibwebPaletteMenuBaseText:
case ValueID::LibwebPaletteMenuSelection:
case ValueID::LibwebPaletteMenuSelectionText:
case ValueID::LibwebPaletteMenuStripe:
case ValueID::LibwebPaletteMovingWindowBorder1:
case ValueID::LibwebPaletteMovingWindowBorder2:
case ValueID::LibwebPaletteMovingWindowTitle:
case ValueID::LibwebPaletteRubberBandBorder:
case ValueID::LibwebPaletteRubberBandFill:
case ValueID::LibwebPaletteRuler:
case ValueID::LibwebPaletteRulerActiveText:
case ValueID::LibwebPaletteRulerBorder:
case ValueID::LibwebPaletteRulerInactiveText:
case ValueID::LibwebPaletteSelection:
case ValueID::LibwebPaletteSelectionText:
case ValueID::LibwebPaletteSyntaxComment:
case ValueID::LibwebPaletteSyntaxControlKeyword:
case ValueID::LibwebPaletteSyntaxIdentifier:
case ValueID::LibwebPaletteSyntaxKeyword:
case ValueID::LibwebPaletteSyntaxNumber:
case ValueID::LibwebPaletteSyntaxOperator:
case ValueID::LibwebPaletteSyntaxPreprocessorStatement:
case ValueID::LibwebPaletteSyntaxPreprocessorValue:
case ValueID::LibwebPaletteSyntaxPunctuation:
case ValueID::LibwebPaletteSyntaxString:
case ValueID::LibwebPaletteSyntaxType:
case ValueID::LibwebPaletteTextCursor:
case ValueID::LibwebPaletteThreedHighlight:
case ValueID::LibwebPaletteThreedShadow1:
case ValueID::LibwebPaletteThreedShadow2:
case ValueID::LibwebPaletteVisitedLink:
case ValueID::LibwebPaletteWindow:
case ValueID::LibwebPaletteWindowText:
LibWeb: Implement `<system-color>` and `<deprecated-color>` keywords The spec allows for these either to be based on the OS, or to be defined by the browser. Looking at the other browser engines, there's a mix of the two options. Since we've had issues with using OS colors as defaults, let's use hard-coded colors for now. Some of these are based on the definitions in https://html.spec.whatwg.org/multipage/rendering.html
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case ValueID::Linktext:
case ValueID::Mark:
case ValueID::Marktext:
case ValueID::Menu:
case ValueID::Menutext:
case ValueID::Scrollbar:
case ValueID::Selecteditem:
case ValueID::Selecteditemtext:
case ValueID::Threeddarkshadow:
case ValueID::Threedface:
case ValueID::Threedhighlight:
case ValueID::Threedlightshadow:
case ValueID::Threedshadow:
case ValueID::Visitedtext:
case ValueID::Window:
case ValueID::Windowframe:
case ValueID::Windowtext:
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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return true;
default:
return false;
}
}
LibWeb: Deduplicate "ident is color" check Reuse the check from IdentifierStyleValue in the CSS Parser, instead of duplicating it. This might not be the ideal place to put it, but it works for now.
2023-08-23 15:40:17 +01:00
bool IdentifierStyleValue::has_color() const
{
return is_color(m_id);
}
LibWeb: Allow doing .to_color() on a StyleValue without a layout node This will be needed to access the color of a stop from a SVG gradient <stop> element (which does not participate in layout, so does not have a layout node).
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Color IdentifierStyleValue::to_color(Optional<Layout::NodeWithStyle const&> node) const
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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{
if (id() == CSS::ValueID::Currentcolor) {
LibWeb: Allow doing .to_color() on a StyleValue without a layout node This will be needed to access the color of a stop from a SVG gradient <stop> element (which does not participate in layout, so does not have a layout node).
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if (!node.has_value() || !node->has_style())
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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return Color::Black;
LibWeb: Allow doing .to_color() on a StyleValue without a layout node This will be needed to access the color of a stop from a SVG gradient <stop> element (which does not participate in layout, so does not have a layout node).
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return node->computed_values().color();
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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}
LibWeb: Implement `<system-color>` and `<deprecated-color>` keywords The spec allows for these either to be based on the OS, or to be defined by the browser. Looking at the other browser engines, there's a mix of the two options. Since we've had issues with using OS colors as defaults, let's use hard-coded colors for now. Some of these are based on the definitions in https://html.spec.whatwg.org/multipage/rendering.html
2023-08-23 17:17:15 +01:00
// 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 (id()) {
case ValueID::Accentcolor:
return SystemColor::accent_color();
case ValueID::Accentcolortext:
return SystemColor::accent_color_text();
case ValueID::Activetext:
return SystemColor::active_text();
case ValueID::Buttonborder:
case ValueID::Activeborder:
case ValueID::Inactiveborder:
case ValueID::Threeddarkshadow:
case ValueID::Threedhighlight:
case ValueID::Threedlightshadow:
case ValueID::Threedshadow:
case ValueID::Windowframe:
return SystemColor::button_border();
case ValueID::Buttonface:
case ValueID::Buttonhighlight:
case ValueID::Buttonshadow:
case ValueID::Threedface:
return SystemColor::button_face();
case ValueID::Buttontext:
LibWeb: Use SystemColor::button_text for ButtonText CSS values
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return SystemColor::button_text();
LibWeb: Implement `<system-color>` and `<deprecated-color>` keywords The spec allows for these either to be based on the OS, or to be defined by the browser. Looking at the other browser engines, there's a mix of the two options. Since we've had issues with using OS colors as defaults, let's use hard-coded colors for now. Some of these are based on the definitions in https://html.spec.whatwg.org/multipage/rendering.html
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case ValueID::Canvas:
case ValueID::Appworkspace:
case ValueID::Background:
case ValueID::Inactivecaption:
case ValueID::Infobackground:
case ValueID::Menu:
case ValueID::Scrollbar:
case ValueID::Window:
return SystemColor::canvas();
case ValueID::Canvastext:
case ValueID::Activecaption:
case ValueID::Captiontext:
case ValueID::Infotext:
case ValueID::Menutext:
case ValueID::Windowtext:
return SystemColor::canvas_text();
case ValueID::Field:
return SystemColor::field();
case ValueID::Fieldtext:
return SystemColor::field_text();
case ValueID::Graytext:
case ValueID::Inactivecaptiontext:
return SystemColor::gray_text();
case ValueID::Highlight:
return SystemColor::highlight();
case ValueID::Highlighttext:
return SystemColor::highlight_text();
case ValueID::Mark:
return SystemColor::mark();
case ValueID::Marktext:
return SystemColor::mark_text();
case ValueID::Selecteditem:
return SystemColor::selected_item();
case ValueID::Selecteditemtext:
return SystemColor::selected_item_text();
case ValueID::Visitedtext:
return SystemColor::visited_text();
default:
break;
}
LibWeb: Allow doing .to_color() on a StyleValue without a layout node This will be needed to access the color of a stop from a SVG gradient <stop> element (which does not participate in layout, so does not have a layout node).
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if (!node.has_value()) {
// FIXME: Can't resolve palette colors without layout node.
return Color::Black;
}
auto& document = node->document();
LibWeb: Respect the document's link_color for Linktext identifiers
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if (id() == CSS::ValueID::LibwebLink || id() == ValueID::Linktext)
LibWeb/DOM: Rename link_color to normal_link_color
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return document.normal_link_color();
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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LibWeb: Make Document::page() return a Page& Now that Document always has a Page, and always keeps it alive, we can make this return a Page&, exposing various unnecessary null checks.
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auto palette = document.page().palette();
LibWeb: Split IdentifierStyleValue out of StyleValue.{h,cpp}
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switch (id()) {
case CSS::ValueID::LibwebPaletteDesktopBackground:
return palette.color(ColorRole::DesktopBackground);
case CSS::ValueID::LibwebPaletteActiveWindowBorder1:
return palette.color(ColorRole::ActiveWindowBorder1);
case CSS::ValueID::LibwebPaletteActiveWindowBorder2:
return palette.color(ColorRole::ActiveWindowBorder2);
case CSS::ValueID::LibwebPaletteActiveWindowTitle:
return palette.color(ColorRole::ActiveWindowTitle);
case CSS::ValueID::LibwebPaletteInactiveWindowBorder1:
return palette.color(ColorRole::InactiveWindowBorder1);
case CSS::ValueID::LibwebPaletteInactiveWindowBorder2:
return palette.color(ColorRole::InactiveWindowBorder2);
case CSS::ValueID::LibwebPaletteInactiveWindowTitle:
return palette.color(ColorRole::InactiveWindowTitle);
case CSS::ValueID::LibwebPaletteMovingWindowBorder1:
return palette.color(ColorRole::MovingWindowBorder1);
case CSS::ValueID::LibwebPaletteMovingWindowBorder2:
return palette.color(ColorRole::MovingWindowBorder2);
case CSS::ValueID::LibwebPaletteMovingWindowTitle:
return palette.color(ColorRole::MovingWindowTitle);
case CSS::ValueID::LibwebPaletteHighlightWindowBorder1:
return palette.color(ColorRole::HighlightWindowBorder1);
case CSS::ValueID::LibwebPaletteHighlightWindowBorder2:
return palette.color(ColorRole::HighlightWindowBorder2);
case CSS::ValueID::LibwebPaletteHighlightWindowTitle:
return palette.color(ColorRole::HighlightWindowTitle);
case CSS::ValueID::LibwebPaletteMenuStripe:
return palette.color(ColorRole::MenuStripe);
case CSS::ValueID::LibwebPaletteMenuBase:
return palette.color(ColorRole::MenuBase);
case CSS::ValueID::LibwebPaletteMenuBaseText:
return palette.color(ColorRole::MenuBaseText);
case CSS::ValueID::LibwebPaletteMenuSelection:
return palette.color(ColorRole::MenuSelection);
case CSS::ValueID::LibwebPaletteMenuSelectionText:
return palette.color(ColorRole::MenuSelectionText);
case CSS::ValueID::LibwebPaletteWindow:
return palette.color(ColorRole::Window);
case CSS::ValueID::LibwebPaletteWindowText:
return palette.color(ColorRole::WindowText);
case CSS::ValueID::LibwebPaletteButton:
return palette.color(ColorRole::Button);
case CSS::ValueID::LibwebPaletteButtonText:
return palette.color(ColorRole::ButtonText);
case CSS::ValueID::LibwebPaletteBase:
return palette.color(ColorRole::Base);
case CSS::ValueID::LibwebPaletteBaseText:
return palette.color(ColorRole::BaseText);
case CSS::ValueID::LibwebPaletteThreedHighlight:
return palette.color(ColorRole::ThreedHighlight);
case CSS::ValueID::LibwebPaletteThreedShadow1:
return palette.color(ColorRole::ThreedShadow1);
case CSS::ValueID::LibwebPaletteThreedShadow2:
return palette.color(ColorRole::ThreedShadow2);
case CSS::ValueID::LibwebPaletteHoverHighlight:
return palette.color(ColorRole::HoverHighlight);
case CSS::ValueID::LibwebPaletteSelection:
return palette.color(ColorRole::Selection);
case CSS::ValueID::LibwebPaletteSelectionText:
return palette.color(ColorRole::SelectionText);
case CSS::ValueID::LibwebPaletteInactiveSelection:
return palette.color(ColorRole::InactiveSelection);
case CSS::ValueID::LibwebPaletteInactiveSelectionText:
return palette.color(ColorRole::InactiveSelectionText);
case CSS::ValueID::LibwebPaletteRubberBandFill:
return palette.color(ColorRole::RubberBandFill);
case CSS::ValueID::LibwebPaletteRubberBandBorder:
return palette.color(ColorRole::RubberBandBorder);
case CSS::ValueID::LibwebPaletteLink:
return palette.color(ColorRole::Link);
case CSS::ValueID::LibwebPaletteActiveLink:
return palette.color(ColorRole::ActiveLink);
case CSS::ValueID::LibwebPaletteVisitedLink:
return palette.color(ColorRole::VisitedLink);
case CSS::ValueID::LibwebPaletteRuler:
return palette.color(ColorRole::Ruler);
case CSS::ValueID::LibwebPaletteRulerBorder:
return palette.color(ColorRole::RulerBorder);
case CSS::ValueID::LibwebPaletteRulerActiveText:
return palette.color(ColorRole::RulerActiveText);
case CSS::ValueID::LibwebPaletteRulerInactiveText:
return palette.color(ColorRole::RulerInactiveText);
case CSS::ValueID::LibwebPaletteTextCursor:
return palette.color(ColorRole::TextCursor);
case CSS::ValueID::LibwebPaletteFocusOutline:
return palette.color(ColorRole::FocusOutline);
case CSS::ValueID::LibwebPaletteSyntaxComment:
return palette.color(ColorRole::SyntaxComment);
case CSS::ValueID::LibwebPaletteSyntaxNumber:
return palette.color(ColorRole::SyntaxNumber);
case CSS::ValueID::LibwebPaletteSyntaxString:
return palette.color(ColorRole::SyntaxString);
case CSS::ValueID::LibwebPaletteSyntaxType:
return palette.color(ColorRole::SyntaxType);
case CSS::ValueID::LibwebPaletteSyntaxPunctuation:
return palette.color(ColorRole::SyntaxPunctuation);
case CSS::ValueID::LibwebPaletteSyntaxOperator:
return palette.color(ColorRole::SyntaxOperator);
case CSS::ValueID::LibwebPaletteSyntaxKeyword:
return palette.color(ColorRole::SyntaxKeyword);
case CSS::ValueID::LibwebPaletteSyntaxControlKeyword:
return palette.color(ColorRole::SyntaxControlKeyword);
case CSS::ValueID::LibwebPaletteSyntaxIdentifier:
return palette.color(ColorRole::SyntaxIdentifier);
case CSS::ValueID::LibwebPaletteSyntaxPreprocessorStatement:
return palette.color(ColorRole::SyntaxPreprocessorStatement);
case CSS::ValueID::LibwebPaletteSyntaxPreprocessorValue:
return palette.color(ColorRole::SyntaxPreprocessorValue);
default:
return {};
}
}
}
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