mirror of
https://github.com/LadybirdBrowser/ladybird
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93194ea205
Report stylesheet source text, rule lists, namespace caches, declaration vectors, custom property maps, and owner sets through the GC external memory hook.
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/ExternalMemory.h>
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#include <LibWeb/Bindings/StyleSheet.h>
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#include <LibWeb/CSS/CSSStyleSheet.h>
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#include <LibWeb/CSS/StyleSheet.h>
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#include <LibWeb/DOM/Element.h>
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namespace Web::CSS {
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StyleSheet::StyleSheet(JS::Realm& realm, MediaList& media)
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: PlatformObject(realm)
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, m_media(media)
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{
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m_media->set_associated_style_sheet(*this);
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}
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void StyleSheet::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_owner_node);
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visitor.visit(m_parent_style_sheet);
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visitor.visit(m_media);
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}
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size_t StyleSheet::external_memory_size() const
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{
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auto size = Base::external_memory_size();
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size = JS::saturating_add_external_memory_size(size, JS::string_external_memory_size(m_title));
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size = JS::saturating_add_external_memory_size(size, JS::string_external_memory_size(m_type_string));
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return size;
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}
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Optional<String> StyleSheet::href() const
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{
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if (m_location.has_value())
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return m_location->to_string();
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return {};
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}
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void StyleSheet::set_owner_node(DOM::Element* element)
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{
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m_owner_node = element;
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}
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void StyleSheet::set_parent_css_style_sheet(CSSStyleSheet* parent)
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{
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m_parent_style_sheet = parent;
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}
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// https://drafts.csswg.org/cssom/#dom-stylesheet-title
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Optional<String> StyleSheet::title_for_bindings() const
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{
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// The title attribute must return the title or null if title is the empty string.
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if (m_title.is_empty())
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return {};
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return m_title;
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}
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}
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