ee3a73ddbb
This makes it much clearer what this cast actually does: it will VERIFY that the thing we're casting is a T (using is<T>()).
51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.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 <AK/StringBuilder.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Text.h>
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#include <LibWeb/HTML/HTMLStyleElement.h>
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namespace Web::HTML {
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HTMLStyleElement::HTMLStyleElement(DOM::Document& document, QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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, m_css_loader(*this)
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{
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m_css_loader.on_load = [&] {
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document.update_style();
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};
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}
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HTMLStyleElement::~HTMLStyleElement()
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{
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}
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void HTMLStyleElement::children_changed()
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{
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StringBuilder builder;
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for_each_child([&](auto& child) {
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if (is<DOM::Text>(child))
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builder.append(verify_cast<DOM::Text>(child).text_content());
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});
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m_css_loader.load_from_text(builder.to_string());
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if (auto sheet = m_css_loader.style_sheet())
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document().style_sheets().add_sheet(sheet.release_nonnull());
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HTMLElement::children_changed();
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}
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void HTMLStyleElement::removed_from(Node* old_parent)
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{
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if (m_css_loader.style_sheet()) {
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// FIXME: Remove the sheet from the document
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}
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return HTMLElement::removed_from(old_parent);
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}
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}
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