jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <LibWeb/CSS/StyleProperties.h>
8#include <LibWeb/CSS/StyleValue.h>
9#include <LibWeb/DOM/Document.h>
10#include <LibWeb/HTML/HTMLBodyElement.h>
11#include <LibWeb/HTML/Window.h>
12
13namespace Web::HTML {
14
15HTMLBodyElement::HTMLBodyElement(DOM::Document& document, DOM::QualifiedName qualified_name)
16 : HTMLElement(document, move(qualified_name))
17{
18}
19
20HTMLBodyElement::~HTMLBodyElement() = default;
21
22JS::ThrowCompletionOr<void> HTMLBodyElement::initialize(JS::Realm& realm)
23{
24 MUST_OR_THROW_OOM(Base::initialize(realm));
25 set_prototype(&Bindings::ensure_web_prototype<Bindings::HTMLBodyElementPrototype>(realm, "HTMLBodyElement"));
26
27 return {};
28}
29
30void HTMLBodyElement::apply_presentational_hints(CSS::StyleProperties& style) const
31{
32 for_each_attribute([&](auto& name, auto& value) {
33 if (name.equals_ignoring_ascii_case("bgcolor"sv)) {
34 auto color = Color::from_string(value);
35 if (color.has_value())
36 style.set_property(CSS::PropertyID::BackgroundColor, CSS::ColorStyleValue::create(color.value()));
37 } else if (name.equals_ignoring_ascii_case("text"sv)) {
38 auto color = Color::from_string(value);
39 if (color.has_value())
40 style.set_property(CSS::PropertyID::Color, CSS::ColorStyleValue::create(color.value()));
41 } else if (name.equals_ignoring_ascii_case("background"sv)) {
42 VERIFY(m_background_style_value);
43 style.set_property(CSS::PropertyID::BackgroundImage, *m_background_style_value);
44 }
45 });
46}
47
48void HTMLBodyElement::parse_attribute(DeprecatedFlyString const& name, DeprecatedString const& value)
49{
50 HTMLElement::parse_attribute(name, value);
51 if (name.equals_ignoring_ascii_case("link"sv)) {
52 auto color = Color::from_string(value);
53 if (color.has_value())
54 document().set_link_color(color.value());
55 } else if (name.equals_ignoring_ascii_case("alink"sv)) {
56 auto color = Color::from_string(value);
57 if (color.has_value())
58 document().set_active_link_color(color.value());
59 } else if (name.equals_ignoring_ascii_case("vlink"sv)) {
60 auto color = Color::from_string(value);
61 if (color.has_value())
62 document().set_visited_link_color(color.value());
63 } else if (name.equals_ignoring_ascii_case("background"sv)) {
64 m_background_style_value = CSS::ImageStyleValue::create(document().parse_url(value));
65 m_background_style_value->on_animate = [this] {
66 if (layout_node()) {
67 layout_node()->set_needs_display();
68 }
69 };
70 }
71
72#undef __ENUMERATE
73#define __ENUMERATE(attribute_name, event_name) \
74 if (name == HTML::AttributeNames::attribute_name) { \
75 element_event_handler_attribute_changed(event_name, value); \
76 }
77 ENUMERATE_WINDOW_EVENT_HANDLERS(__ENUMERATE)
78#undef __ENUMERATE
79}
80
81DOM::EventTarget& HTMLBodyElement::global_event_handlers_to_event_target(DeprecatedFlyString const& event_name)
82{
83 // NOTE: This is a little weird, but IIUC document.body.onload actually refers to window.onload
84 // NOTE: document.body can return either a HTMLBodyElement or HTMLFrameSetElement, so both these elements must support this mapping.
85 if (DOM::is_window_reflecting_body_element_event_handler(event_name))
86 return document().window();
87
88 return *this;
89}
90
91DOM::EventTarget& HTMLBodyElement::window_event_handlers_to_event_target()
92{
93 // All WindowEventHandlers on HTMLFrameSetElement (e.g. document.body.onrejectionhandled) are mapped to window.on{event}.
94 // NOTE: document.body can return either a HTMLBodyElement or HTMLFrameSetElement, so both these elements must support this mapping.
95 return document().window();
96}
97
98}