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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/CSS/CSSStyleDeclaration.h>
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/DOM/Element.h>
namespace Web::CSS {
PropertyOwningCSSStyleDeclaration::PropertyOwningCSSStyleDeclaration(Vector<StyleProperty> properties, HashMap<String, StyleProperty> custom_properties)
: m_properties(move(properties))
, m_custom_properties(move(custom_properties))
{
}
PropertyOwningCSSStyleDeclaration::~PropertyOwningCSSStyleDeclaration()
{
}
CSSStyleDeclaration::~CSSStyleDeclaration()
{
}
String PropertyOwningCSSStyleDeclaration::item(size_t index) const
{
if (index >= m_properties.size())
return {};
return CSS::string_from_property_id(m_properties[index].property_id);
}
ElementInlineCSSStyleDeclaration::ElementInlineCSSStyleDeclaration(DOM::Element& element)
: PropertyOwningCSSStyleDeclaration({}, {})
, m_element(element.make_weak_ptr<DOM::Element>())
{
}
ElementInlineCSSStyleDeclaration::ElementInlineCSSStyleDeclaration(DOM::Element& element, PropertyOwningCSSStyleDeclaration& declaration)
: PropertyOwningCSSStyleDeclaration(move(declaration.m_properties), move(declaration.m_custom_properties))
, m_element(element.make_weak_ptr<DOM::Element>())
{
}
ElementInlineCSSStyleDeclaration::~ElementInlineCSSStyleDeclaration()
{
}
size_t PropertyOwningCSSStyleDeclaration::length() const
{
return m_properties.size();
}
Optional<StyleProperty> PropertyOwningCSSStyleDeclaration::property(PropertyID property_id) const
{
for (auto& property : m_properties) {
if (property.property_id == property_id)
return property;
}
return {};
}
bool PropertyOwningCSSStyleDeclaration::set_property(PropertyID property_id, StringView css_text)
{
auto new_value = parse_css_value(CSS::ParsingContext {}, css_text, property_id);
// FIXME: What are we supposed to do if we can't parse it?
if (!new_value)
return false;
ScopeGuard style_invalidation_guard = [&] {
auto& declaration = verify_cast<CSS::ElementInlineCSSStyleDeclaration>(*this);
if (auto* element = declaration.element())
element->invalidate_style();
};
// FIXME: I don't think '!important' is being handled correctly here..
for (auto& property : m_properties) {
if (property.property_id == property_id) {
property.value = new_value.release_nonnull();
return true;
}
}
m_properties.append(CSS::StyleProperty {
.property_id = property_id,
.value = new_value.release_nonnull(),
.important = false,
});
return true;
}
String CSSStyleDeclaration::get_property_value(StringView property_name) const
{
auto property_id = property_id_from_string(property_name);
if (property_id == CSS::PropertyID::Invalid)
return {};
auto maybe_property = property(property_id);
if (!maybe_property.has_value())
return {};
return maybe_property->value->to_string();
}
}
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