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LibWeb/CSS: Add CSSOM types for @layer rules

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Depending on usage, `@layer` has two forms, with two different CSSOM
types. One simply lists layer names and the other defines a layer with
its contained rules.
This commit is contained in:
Sam Atkins 2024-09-02 16:45:25 +01:00 • committed by Andreas Kling
commit 1c6133aa52
Notes: github-actions[bot] 2024-09-06 05:51:10 +00:00
17 changed files with 346 additions and 27 deletions
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58
Userland/Libraries/LibWeb/CSS/CSSLayerStatementRule.cpp Normal file
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/*
* Copyright (c) 2024, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "CSSLayerStatementRule.h"
#include <LibWeb/Bindings/CSSLayerStatementRulePrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/CSS/CSSLayerBlockRule.h>
namespace Web::CSS {
JS_DEFINE_ALLOCATOR(CSSLayerStatementRule);
JS::NonnullGCPtr<CSSLayerStatementRule> CSSLayerStatementRule::create(JS::Realm& realm, Vector<FlyString> name_list)
{
return realm.heap().allocate<CSSLayerStatementRule>(realm, realm, move(name_list));
}
CSSLayerStatementRule::CSSLayerStatementRule(JS::Realm& realm, Vector<FlyString> name_list)
: CSSRule(realm)
, m_name_list(move(name_list))
{
}
void CSSLayerStatementRule::initialize(JS::Realm& realm)
{
Base::initialize(realm);
WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSLayerStatementRule);
}
String CSSLayerStatementRule::serialized() const
{
// AD-HOC: No spec yet.
StringBuilder builder;
builder.append("@layer "sv);
builder.join(", "sv, m_name_list);
builder.append(';');
return builder.to_string_without_validation();
}
Vector<FlyString> CSSLayerStatementRule::internal_qualified_name_list(Badge<StyleComputer>) const
{
// TODO: Cache these?
Vector<FlyString> qualified_layer_names;
auto qualified_parent_layer_name = parent_layer_internal_qualified_name();
if (qualified_parent_layer_name.is_empty())
return m_name_list;
for (auto const& name : m_name_list)
qualified_layer_names.append(MUST(String::formatted("{}.{}", qualified_parent_layer_name, name)));
return qualified_layer_names;
}
}