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82bd3d3891
Prevents observably calling Trusted Types, which can run arbitrary JS, cause crashes due to use of MUST and allow arbitrary JS to modify internal elements.
128 lines
3.9 KiB
C++
128 lines
3.9 KiB
C++
/*
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* Copyright (c) 2020-2022, the SerenityOS developers.
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* Copyright (c) 2022, MacDue <macdue@dueutil.tech>
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* Copyright (c) 2023, Bastiaan van der Plaat <bastiaan.v.d.plaat@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/HTMLProgressElementPrototype.h>
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#include <LibWeb/CSS/ComputedProperties.h>
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#include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
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#include <LibWeb/CSS/StyleValues/KeywordStyleValue.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/ElementFactory.h>
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#include <LibWeb/DOM/ShadowRoot.h>
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#include <LibWeb/HTML/HTMLProgressElement.h>
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#include <LibWeb/HTML/Numbers.h>
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#include <LibWeb/Namespace.h>
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#include <LibWeb/Page/Page.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLProgressElement);
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HTMLProgressElement::HTMLProgressElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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{
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}
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HTMLProgressElement::~HTMLProgressElement() = default;
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void HTMLProgressElement::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLProgressElement);
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Base::initialize(realm);
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}
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void HTMLProgressElement::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_progress_value_element);
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}
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// https://html.spec.whatwg.org/multipage/form-elements.html#dom-progress-value
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double HTMLProgressElement::value() const
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{
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if (auto value_string = get_attribute(HTML::AttributeNames::value); value_string.has_value()) {
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if (auto value = parse_floating_point_number(*value_string); value.has_value())
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return clamp(*value, 0, max());
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}
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return 0;
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}
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void HTMLProgressElement::set_value(double value)
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{
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if (value < 0)
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value = 0;
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set_attribute_value(HTML::AttributeNames::value, String::number(value));
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update_progress_value_element();
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}
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// https://html.spec.whatwg.org/multipage/form-elements.html#dom-progress-max
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WebIDL::Double HTMLProgressElement::max() const
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{
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if (auto max_string = get_attribute(HTML::AttributeNames::max); max_string.has_value()) {
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if (auto max = parse_floating_point_number(*max_string); max.has_value())
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if (*max > 0)
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return *max;
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}
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return 1;
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}
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void HTMLProgressElement::set_max(double value)
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{
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if (value <= 0)
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return;
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set_attribute_value(HTML::AttributeNames::max, String::number(value));
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update_progress_value_element();
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}
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double HTMLProgressElement::position() const
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{
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if (!is_determinate())
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return -1;
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return value() / max();
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}
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void HTMLProgressElement::inserted()
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{
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Base::inserted();
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create_shadow_tree_if_needed();
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}
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void HTMLProgressElement::adjust_computed_style(CSS::ComputedProperties& style)
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{
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// https://drafts.csswg.org/css-display-3/#unbox
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if (style.display().is_contents())
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style.set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::None)));
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}
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void HTMLProgressElement::create_shadow_tree_if_needed()
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{
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if (shadow_root())
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return;
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auto shadow_root = realm().create<DOM::ShadowRoot>(document(), *this, Bindings::ShadowRootMode::Closed);
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set_shadow_root(shadow_root);
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auto progress_bar_element = MUST(DOM::create_element(document(), HTML::TagNames::div, Namespace::HTML));
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progress_bar_element->set_use_pseudo_element(CSS::PseudoElement::SliderTrack);
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MUST(shadow_root->append_child(*progress_bar_element));
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m_progress_value_element = MUST(DOM::create_element(document(), HTML::TagNames::div, Namespace::HTML));
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m_progress_value_element->set_use_pseudo_element(CSS::PseudoElement::SliderFill);
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MUST(progress_bar_element->append_child(*m_progress_value_element));
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update_progress_value_element();
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}
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void HTMLProgressElement::update_progress_value_element()
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{
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if (m_progress_value_element)
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MUST(m_progress_value_element->style_for_bindings()->set_property(CSS::PropertyID::Width, MUST(String::formatted("{}%", position() * 100))));
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}
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}
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