mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-26 14:28:49 +00:00
107 lines
3 KiB
C++
107 lines
3 KiB
C++
/*
|
|
* Copyright (c) 2020-2022, the SerenityOS developers.
|
|
* Copyright (c) 2022, MacDue <macdue@dueutil.tech>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/DOM/Document.h>
|
|
#include <LibWeb/DOM/ShadowRoot.h>
|
|
#include <LibWeb/HTML/HTMLProgressElement.h>
|
|
#include <LibWeb/HTML/Numbers.h>
|
|
#include <LibWeb/Layout/BlockContainer.h>
|
|
#include <LibWeb/Layout/Node.h>
|
|
#include <LibWeb/Layout/Progress.h>
|
|
|
|
namespace Web::HTML {
|
|
|
|
JS_DEFINE_ALLOCATOR(HTMLProgressElement);
|
|
|
|
HTMLProgressElement::HTMLProgressElement(DOM::Document& document, DOM::QualifiedName qualified_name)
|
|
: HTMLElement(document, move(qualified_name))
|
|
{
|
|
}
|
|
|
|
HTMLProgressElement::~HTMLProgressElement() = default;
|
|
|
|
void HTMLProgressElement::initialize(JS::Realm& realm)
|
|
{
|
|
Base::initialize(realm);
|
|
set_prototype(&Bindings::ensure_web_prototype<Bindings::HTMLProgressElementPrototype>(realm, "HTMLProgressElement"_fly_string));
|
|
}
|
|
|
|
JS::GCPtr<Layout::Node> HTMLProgressElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
|
|
{
|
|
if (style->appearance().value_or(CSS::Appearance::Auto) == CSS::Appearance::None)
|
|
return HTMLElement::create_layout_node(style);
|
|
return heap().allocate_without_realm<Layout::Progress>(document(), *this, move(style));
|
|
}
|
|
|
|
bool HTMLProgressElement::using_system_appearance() const
|
|
{
|
|
if (layout_node())
|
|
return is<Layout::Progress>(*layout_node());
|
|
return false;
|
|
}
|
|
|
|
void HTMLProgressElement::progress_position_updated()
|
|
{
|
|
if (using_system_appearance())
|
|
layout_node()->set_needs_display();
|
|
else
|
|
document().invalidate_layout();
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/multipage/form-elements.html#dom-progress-value
|
|
double HTMLProgressElement::value() const
|
|
{
|
|
auto maybe_value_string = get_attribute(HTML::AttributeNames::value);
|
|
if (!maybe_value_string.has_value())
|
|
return 0;
|
|
auto maybe_value = parse_floating_point_number(maybe_value_string.value());
|
|
if (!maybe_value.has_value())
|
|
return 0;
|
|
return clamp(maybe_value.value(), 0, max());
|
|
}
|
|
|
|
WebIDL::ExceptionOr<void> HTMLProgressElement::set_value(double value)
|
|
{
|
|
if (value < 0 || value > max())
|
|
return {};
|
|
|
|
TRY(set_attribute(HTML::AttributeNames::value, MUST(String::number(value))));
|
|
progress_position_updated();
|
|
return {};
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/multipage/form-elements.html#dom-progress-max
|
|
double HTMLProgressElement::max() const
|
|
{
|
|
auto maybe_max_string = get_attribute(HTML::AttributeNames::max);
|
|
if (!maybe_max_string.has_value())
|
|
return 1;
|
|
auto maybe_max = parse_floating_point_number(maybe_max_string.value());
|
|
if (!maybe_max.has_value())
|
|
return 1;
|
|
return AK::max(maybe_max.value(), 0);
|
|
}
|
|
|
|
WebIDL::ExceptionOr<void> HTMLProgressElement::set_max(double value)
|
|
{
|
|
if (value <= 0)
|
|
return {};
|
|
|
|
TRY(set_attribute(HTML::AttributeNames::max, MUST(String::number(value))));
|
|
progress_position_updated();
|
|
return {};
|
|
}
|
|
|
|
double HTMLProgressElement::position() const
|
|
{
|
|
if (!is_determinate())
|
|
return -1;
|
|
|
|
return value() / max();
|
|
}
|
|
|
|
}
|