1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/StringBuilder.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Text.h>
#include <LibWeb/HTML/HTMLStyleElement.h>
namespace Web::HTML {
HTMLStyleElement::HTMLStyleElement(DOM::Document& document, QualifiedName qualified_name)
: HTMLElement(document, move(qualified_name))
, m_css_loader(*this)
{
m_css_loader.on_load = [&] {
document.update_style();
};
}
HTMLStyleElement::~HTMLStyleElement()
{
}
void HTMLStyleElement::children_changed()
{
StringBuilder builder;
for_each_child([&](auto& child) {
if (is<DOM::Text>(child))
builder.append(downcast<DOM::Text>(child).text_content());
});
m_css_loader.load_from_text(builder.to_string());
if (auto sheet = m_css_loader.style_sheet())
document().style_sheets().add_sheet(sheet.release_nonnull());
HTMLElement::children_changed();
}
void HTMLStyleElement::removed_from(Node* old_parent)
{
if (m_css_loader.style_sheet()) {
// FIXME: Remove the sheet from the document
}
return HTMLElement::removed_from(old_parent);
}
}
|
