/src/serenity/Userland/Libraries/LibWeb/SVG/SVGSymbolElement.cpp
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * Copyright (c) 2023, Preston Taylor <95388976+PrestonLTaylor@users.noreply.github.com> |
3 | | * |
4 | | * SPDX-License-Identifier: BSD-2-Clause |
5 | | */ |
6 | | |
7 | | #include <LibWeb/Bindings/Intrinsics.h> |
8 | | #include <LibWeb/Bindings/SVGSymbolElementPrototype.h> |
9 | | #include <LibWeb/CSS/StyleProperties.h> |
10 | | #include <LibWeb/CSS/StyleValues/CSSKeywordValue.h> |
11 | | #include <LibWeb/CSS/StyleValues/DisplayStyleValue.h> |
12 | | #include <LibWeb/CSS/StyleValues/ShorthandStyleValue.h> |
13 | | #include <LibWeb/DOM/ShadowRoot.h> |
14 | | #include <LibWeb/Layout/SVGGraphicsBox.h> |
15 | | #include <LibWeb/SVG/AttributeNames.h> |
16 | | #include <LibWeb/SVG/SVGAnimatedRect.h> |
17 | | #include <LibWeb/SVG/SVGSymbolElement.h> |
18 | | #include <LibWeb/SVG/SVGUseElement.h> |
19 | | |
20 | | namespace Web::SVG { |
21 | | |
22 | | JS_DEFINE_ALLOCATOR(SVGSymbolElement); |
23 | | |
24 | | SVGSymbolElement::SVGSymbolElement(DOM::Document& document, DOM::QualifiedName qualified_name) |
25 | 0 | : SVGGraphicsElement(document, qualified_name) |
26 | 0 | { |
27 | 0 | } |
28 | | |
29 | | void SVGSymbolElement::initialize(JS::Realm& realm) |
30 | 0 | { |
31 | 0 | Base::initialize(realm); |
32 | 0 | WEB_SET_PROTOTYPE_FOR_INTERFACE(SVGSymbolElement); |
33 | 0 | m_view_box_for_bindings = heap().allocate<SVGAnimatedRect>(realm, realm); |
34 | 0 | } |
35 | | |
36 | | void SVGSymbolElement::visit_edges(Cell::Visitor& visitor) |
37 | 0 | { |
38 | 0 | Base::visit_edges(visitor); |
39 | 0 | visitor.visit(m_view_box_for_bindings); |
40 | 0 | } |
41 | | |
42 | | // https://svgwg.org/svg2-draft/struct.html#SymbolNotes |
43 | | void SVGSymbolElement::apply_presentational_hints(CSS::StyleProperties& style) const |
44 | 0 | { |
45 | 0 | Base::apply_presentational_hints(style); |
46 | |
|
47 | 0 | if (is_direct_child_of_use_shadow_tree()) { |
48 | | // The generated instance of a ‘symbol’ that is the direct referenced element of a ‘use’ element must always have a computed value of inline for the display property. |
49 | 0 | style.set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::Inline))); |
50 | 0 | } |
51 | 0 | } |
52 | | |
53 | | void SVGSymbolElement::attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value) |
54 | 0 | { |
55 | 0 | Base::attribute_changed(name, old_value, value); |
56 | 0 | if (name.equals_ignoring_ascii_case(SVG::AttributeNames::viewBox)) { |
57 | 0 | m_view_box = try_parse_view_box(value.value_or(String {})); |
58 | 0 | m_view_box_for_bindings->set_nulled(!m_view_box.has_value()); |
59 | 0 | if (m_view_box.has_value()) { |
60 | 0 | m_view_box_for_bindings->set_base_val(Gfx::DoubleRect { m_view_box->min_x, m_view_box->min_y, m_view_box->width, m_view_box->height }); |
61 | 0 | m_view_box_for_bindings->set_anim_val(Gfx::DoubleRect { m_view_box->min_x, m_view_box->min_y, m_view_box->width, m_view_box->height }); |
62 | 0 | } |
63 | 0 | } |
64 | 0 | } |
65 | | |
66 | | bool SVGSymbolElement::is_direct_child_of_use_shadow_tree() const |
67 | 0 | { |
68 | 0 | auto maybe_shadow_root = parent(); |
69 | 0 | if (!is<DOM::ShadowRoot>(maybe_shadow_root)) { |
70 | 0 | return false; |
71 | 0 | } |
72 | | |
73 | 0 | auto host = static_cast<const DOM::ShadowRoot&>(*maybe_shadow_root).host(); |
74 | 0 | return is<SVGUseElement>(host); |
75 | 0 | } |
76 | | |
77 | | JS::GCPtr<Layout::Node> SVGSymbolElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style) |
78 | 0 | { |
79 | 0 | return heap().allocate_without_realm<Layout::SVGGraphicsBox>(document(), *this, move(style)); |
80 | 0 | } |
81 | | |
82 | | } |