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c4f5e7bee3
This parses `anchor-size(..)` functions in CSS, but does not yet result in a useful `Size`: we need style & layout interleaving similar to container queries for this, since the resulting value depends on layout results. Not supported yet: `anchor-size()` appearing inside a `calc()` node. Adds 4280 WPT subtest passes in `css/css-anchor-position`.
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/*
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* Copyright (c) 2025, Jelle Raaijmakers <jelle@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/CSS/StyleValues/AnchorSizeStyleValue.h>
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namespace Web::CSS {
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ValueComparingNonnullRefPtr<AnchorSizeStyleValue const> AnchorSizeStyleValue::create(
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Optional<FlyString> const& anchor_name, Optional<AnchorSize> const& anchor_size,
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ValueComparingRefPtr<CSSStyleValue const> const& fallback_value)
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{
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return adopt_ref(*new (nothrow) AnchorSizeStyleValue(anchor_name, anchor_size, fallback_value));
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}
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AnchorSizeStyleValue::AnchorSizeStyleValue(Optional<FlyString> const& anchor_name, Optional<AnchorSize> const& anchor_size,
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ValueComparingRefPtr<CSSStyleValue const> const& fallback_value)
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: StyleValueWithDefaultOperators(Type::AnchorSize)
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, m_properties { .anchor_name = anchor_name, .anchor_size = anchor_size, .fallback_value = fallback_value }
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{
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}
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String AnchorSizeStyleValue::to_string(SerializationMode serialization_mode) const
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{
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// FIXME: Handle SerializationMode.
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StringBuilder builder;
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builder.append("anchor-size("sv);
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if (anchor_name().has_value())
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builder.append(anchor_name().value());
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if (anchor_size().has_value()) {
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if (anchor_name().has_value())
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builder.append(' ');
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builder.append(CSS::to_string(anchor_size().value()));
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}
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if (fallback_value()) {
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if (anchor_name().has_value() || anchor_size().has_value())
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builder.append(", "sv);
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builder.append(fallback_value()->to_string(serialization_mode));
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}
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builder.append(')');
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return MUST(builder.to_string());
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}
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}
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