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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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47
Userland/Libraries/LibWeb/CSS/CSSRuleList.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -9,6 +9,7 @@
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/CSS/CSSImportRule.h>
#include <LibWeb/CSS/CSSKeyframesRule.h>
#include <LibWeb/CSS/CSSLayerBlockRule.h>
#include <LibWeb/CSS/CSSMediaRule.h>
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/CSS/CSSRuleList.h>
@ -122,25 +123,27 @@ void CSSRuleList::for_each_effective_style_rule(Function<void(CSSStyleRule const
{
for (auto const& rule : m_rules) {
switch (rule->type()) {
case CSSRule::Type::FontFace:
break;
case CSSRule::Type::Import: {
auto const& import_rule = static_cast<CSSImportRule const&>(*rule);
if (import_rule.loaded_style_sheet())
import_rule.loaded_style_sheet()->for_each_effective_style_rule(callback);
break;
}
case CSSRule::Type::LayerBlock:
case CSSRule::Type::Media:
static_cast<CSSMediaRule const&>(*rule).for_each_effective_style_rule(callback);
case CSSRule::Type::Supports:
static_cast<CSSGroupingRule const&>(*rule).for_each_effective_style_rule(callback);
break;
case CSSRule::Type::Style:
callback(static_cast<CSSStyleRule const&>(*rule));
break;
case CSSRule::Type::Supports:
static_cast<CSSSupportsRule const&>(*rule).for_each_effective_style_rule(callback);
break;
case CSSRule::Type::FontFace:
case CSSRule::Type::Keyframe:
case CSSRule::Type::Keyframes:
case CSSRule::Type::LayerStatement:
case CSSRule::Type::Namespace:
break;
}
@ -151,28 +154,27 @@ void CSSRuleList::for_each_effective_keyframes_at_rule(Function<void(CSSKeyframe
{
for (auto const& rule : m_rules) {
switch (rule->type()) {
case CSSRule::Type::FontFace:
break;
case CSSRule::Type::Import: {
auto const& import_rule = static_cast<CSSImportRule const&>(*rule);
if (import_rule.loaded_style_sheet())
import_rule.loaded_style_sheet()->for_each_effective_keyframes_at_rule(callback);
break;
}
case CSSRule::Type::LayerBlock:
case CSSRule::Type::Media:
static_cast<CSSMediaRule const&>(*rule).for_each_effective_keyframes_at_rule(callback);
break;
case CSSRule::Type::Style:
break;
case CSSRule::Type::Supports:
static_cast<CSSSupportsRule const&>(*rule).for_each_effective_keyframes_at_rule(callback);
break;
case CSSRule::Type::Keyframe:
static_cast<CSSGroupingRule const&>(*rule).for_each_effective_keyframes_at_rule(callback);
break;
case CSSRule::Type::Keyframes:
callback(static_cast<CSSKeyframesRule const&>(*rule));
break;
case CSSRule::Type::FontFace:
case CSSRule::Type::Keyframe:
case CSSRule::Type::LayerStatement:
case CSSRule::Type::Namespace:
case CSSRule::Type::Style:
break;
}
}
@ -184,14 +186,18 @@ bool CSSRuleList::evaluate_media_queries(HTML::Window const& window)
for (auto& rule : m_rules) {
switch (rule->type()) {
case CSSRule::Type::FontFace:
break;
case CSSRule::Type::Import: {
auto& import_rule = verify_cast<CSSImportRule>(*rule);
if (import_rule.loaded_style_sheet() && import_rule.loaded_style_sheet()->evaluate_media_queries(window))
any_media_queries_changed_match_state = true;
break;
}
case CSSRule::Type::LayerBlock: {
auto& layer_rule = verify_cast<CSSLayerBlockRule>(*rule);
if (layer_rule.css_rules().evaluate_media_queries(window))
any_media_queries_changed_match_state = true;
break;
}
case CSSRule::Type::Media: {
auto& media_rule = verify_cast<CSSMediaRule>(*rule);
bool did_match = media_rule.condition_matches();
@ -202,17 +208,18 @@ bool CSSRuleList::evaluate_media_queries(HTML::Window const& window)
any_media_queries_changed_match_state = true;
break;
}
case CSSRule::Type::Style:
break;
case CSSRule::Type::Supports: {
auto& supports_rule = verify_cast<CSSSupportsRule>(*rule);
if (supports_rule.condition_matches() && supports_rule.css_rules().evaluate_media_queries(window))
any_media_queries_changed_match_state = true;
break;
}
case CSSRule::Type::FontFace:
case CSSRule::Type::Keyframe:
case CSSRule::Type::Keyframes:
case CSSRule::Type::LayerStatement:
case CSSRule::Type::Namespace:
case CSSRule::Type::Style:
break;
}
}