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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/StringBuilder.h>
28#include <LibWeb/DOM/Document.h>
29#include <LibWeb/DOM/HTMLStyleElement.h>
30#include <LibWeb/DOM/Text.h>
31#include <LibWeb/Parser/CSSParser.h>
32
33namespace Web {
34
35HTMLStyleElement::HTMLStyleElement(Document& document, const FlyString& tag_name)
36 : HTMLElement(document, tag_name)
37{
38}
39
40HTMLStyleElement::~HTMLStyleElement()
41{
42}
43
44void HTMLStyleElement::children_changed()
45{
46 StringBuilder builder;
47 for_each_child([&](auto& child) {
48 if (is<Text>(child))
49 builder.append(to<Text>(child).text_content());
50 });
51 m_stylesheet = parse_css(builder.to_string());
52 if (m_stylesheet)
53 document().add_sheet(*m_stylesheet);
54 HTMLElement::children_changed();
55}
56
57void HTMLStyleElement::removed_from(Node& old_parent)
58{
59 if (m_stylesheet) {
60 // FIXME: Remove the sheet from the document
61 }
62 return HTMLElement::removed_from(old_parent);
63}
64
65}