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LibWeb/CSS: Replace style-rule iteration methods with a generic one

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I didn't want to add another set of boilerplatey tree-walking methods,
so here's a general-purpose one. :^)

`for_each_effective_rule()` walks the tree of effective style rules, and
runs the callback on each one, in either pre- or postorder.  The
previous `for_each_effective_style/keyframes_rule()` methods of
`CSSStyleSheet` are then reimplemented in terms of
`for_each_effective_rule()`, and we can get rid of their equivalents
elsewhere.
This commit is contained in:
Sam Atkins 2024-09-03 11:43:20 +01:00 • committed by Andreas Kling
commit cbb4be3e5e
Notes: github-actions[bot] 2024-09-06 05:50:56 +00:00
9 changed files with 53 additions and 67 deletions
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12
Userland/Libraries/LibWeb/CSS/CSSConditionRule.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
@ -16,16 +16,10 @@ CSSConditionRule::CSSConditionRule(JS::Realm& realm, CSSRuleList& rules)
{
}
void CSSConditionRule::for_each_effective_style_rule(Function<void(CSSStyleRule const&)> const& callback) const
void CSSConditionRule::for_each_effective_rule(TraversalOrder order, Function<void(Web::CSS::CSSRule const&)> const& callback) const
{
if (condition_matches())
CSSGroupingRule::for_each_effective_style_rule(callback);
}
void CSSConditionRule::for_each_effective_keyframes_at_rule(Function<void(CSSKeyframesRule const&)> const& callback) const
{
if (condition_matches())
CSSGroupingRule::for_each_effective_keyframes_at_rule(callback);
CSSGroupingRule::for_each_effective_rule(order, callback);
}
void CSSConditionRule::initialize(JS::Realm& realm)