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LibWeb: Add basic implementation of progress bar element

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This commit is contained in:
Rafał Babiarz 2022-02-16 19:12:54 +01:00 • committed by Tim Flynn
parent d8388f30c8
commit 21e353980f
6 changed files with 133 additions and 3 deletions
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57
Userland/Libraries/LibWeb/HTML/HTMLProgressElement.cpp
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@ -1,10 +1,12 @@
/*
* Copyright (c) 2020, the SerenityOS developers.
* Copyright (c) 2020-2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/HTML/HTMLProgressElement.h>
#include <LibWeb/Layout/Progress.h>
#include <stdlib.h>
namespace Web::HTML {
@ -17,4 +19,57 @@ HTMLProgressElement::~HTMLProgressElement()
{
}
RefPtr<Layout::Node> HTMLProgressElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
{
return adopt_ref(*new Layout::Progress(document(), *this, move(style)));
}
double HTMLProgressElement::value() const
{
auto parsed_value = strtod(attribute(HTML::AttributeNames::value).characters(), nullptr);
if (!isfinite(parsed_value) || parsed_value < 0)
return 0;
return min(parsed_value, max());
}
void HTMLProgressElement::set_value(double value)
{
if (value < 0)
return;
set_attribute(HTML::AttributeNames::value, String::number(value));
if (layout_node())
layout_node()->set_needs_display();
}
double HTMLProgressElement::max() const
{
auto parsed_value = strtod(attribute(HTML::AttributeNames::max).characters(), nullptr);
if (!isfinite(parsed_value) || parsed_value <= 0)
return 1;
return parsed_value;
}
void HTMLProgressElement::set_max(double value)
{
if (value <= 0)
return;
set_attribute(HTML::AttributeNames::max, String::number(value));
if (layout_node())
layout_node()->set_needs_display();
}
double HTMLProgressElement::position() const
{
if (!is_determinate())
return -1;
return value() / max();
}
}