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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/ByteBuffer.h>
28#include <AK/URL.h>
29#include <LibCore/File.h>
30#include <LibWeb/DOM/Document.h>
31#include <LibWeb/DOM/HTMLLinkElement.h>
32#include <LibWeb/Parser/CSSParser.h>
33#include <LibWeb/ResourceLoader.h>
34
35namespace Web {
36
37HTMLLinkElement::HTMLLinkElement(Document& document, const FlyString& tag_name)
38 : HTMLElement(document, tag_name)
39{
40}
41
42HTMLLinkElement::~HTMLLinkElement()
43{
44}
45
46void HTMLLinkElement::inserted_into(Node&)
47{
48 if (rel() == "stylesheet") {
49 URL url = document().complete_url(href());
50 ResourceLoader::the().load(url, [&](auto data) {
51 if (data.is_null()) {
52 dbg() << "HTMLLinkElement: Failed to load stylesheet: " << href();
53 return;
54 }
55 auto sheet = parse_css(data);
56 if (!sheet) {
57 dbg() << "HTMLLinkElement: Failed to parse stylesheet: " << href();
58 return;
59 }
60 document().add_sheet(*sheet);
61 document().update_style();
62 });
63 }
64}
65
66}