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LibWeb: Reimplement the <style> element following the spec

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We now follow the "update a style block" algorithm from the HTML spec
instead of using the ad-hoc CSSLoader mechanism.

This necessitated improving our StyleSheet and CSSStyleSheet classes as
well, so that's baked into this commit.
This commit is contained in:
Andreas Kling 2021-09-29 23:46:16 +02:00
parent 6cda24097b
commit d462a6720a
7 changed files with 163 additions and 24 deletions
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8
Userland/Libraries/LibWeb/HTML/HTMLStyleElement.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
@ -8,7 +8,6 @@
#pragma once
#include <LibWeb/HTML/HTMLElement.h>
#include <LibWeb/Loader/CSSLoader.h>
namespace Web::HTML {
@ -22,8 +21,11 @@ public:
virtual void children_changed() override;
virtual void removed_from(Node*) override;
void update_a_style_block();
private:
CSSLoader m_css_loader;
// https://drafts.csswg.org/cssom/#associated-css-style-sheet
RefPtr<CSS::CSSStyleSheet> m_associated_css_style_sheet;
};
}