ladybird/Libraries/LibWeb/CSS/Invalidation/ElementStateInvalidator.cpp

/*
 * Copyright (c) 2026-present, the Ladybird developers
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibWeb/CSS/Invalidation/ElementStateInvalidator.h>
#include <LibWeb/CSS/Invalidation/HasMutationFeatureCollector.h>
#include <LibWeb/CSS/InvalidationSet.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/DOM/StyleInvalidationReason.h>

namespace Web::CSS::Invalidation {

static void invalidate_style_after_pseudo_class_state_change(DOM::Element& element, DOM::StyleInvalidationReason reason,
    PseudoClass pseudo_class)
{
    bool may_affect_has_selectors = false;
    element.for_each_style_scope_which_may_observe_the_node([&](StyleScope& scope) {
        if (element_has_feature_used_in_has_selector(element, pseudo_class, scope))
            may_affect_has_selectors = true;
    });
    if (may_affect_has_selectors) {
        element.invalidate_style(reason);
        return;
    }

    Vector<InvalidationSet::Property, 1> pseudo_class_properties {
        { .type = InvalidationSet::Property::Type::PseudoClass, .value = pseudo_class },
    };
    element.invalidate_style(reason, pseudo_class_properties, { .invalidate_self = true });
}

void invalidate_style_after_active_state_change(DOM::Element& element)
{
    invalidate_style_after_pseudo_class_state_change(element, DOM::StyleInvalidationReason::ElementSetActive,
        PseudoClass::Active);
}

void invalidate_style_after_modal_state_change(DOM::Element& element)
{
    element.invalidate_style(DOM::StyleInvalidationReason::HTMLDialogElementSetIsModal);
}

void invalidate_style_after_open_state_change(DOM::Element& element)
{
    invalidate_style_after_pseudo_class_state_change(element,
        DOM::StyleInvalidationReason::HTMLDetailsOrDialogOpenAttributeChange, PseudoClass::Open);
}

void invalidate_style_after_option_selected_state_change(DOM::Element& element)
{
    element.invalidate_style(DOM::StyleInvalidationReason::HTMLOptionElementSelectedChange);
}

void invalidate_style_after_input_open_state_change(DOM::Element& element)
{
    element.invalidate_style(DOM::StyleInvalidationReason::HTMLInputElementSetIsOpen);
}

void invalidate_style_after_select_open_state_change(DOM::Element& element)
{
    element.invalidate_style(DOM::StyleInvalidationReason::HTMLSelectElementSetIsOpen);
}

void invalidate_style_after_shadow_root_change(DOM::Element& element)
{
    element.invalidate_style(DOM::StyleInvalidationReason::ElementSetShadowRoot);
}

}