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/*
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/CSS/MediaList.h>
#include <LibWeb/CSS/Parser/Parser.h>
namespace Web::CSS {
MediaList::MediaList(NonnullRefPtrVector<MediaQuery>&& media)
: m_media(move(media))
{
}
MediaList::~MediaList()
{
}
// https://www.w3.org/TR/cssom-1/#dom-medialist-mediatext
String MediaList::media_text() const
{
return serialize_a_media_query_list(m_media);
}
// https://www.w3.org/TR/cssom-1/#dom-medialist-mediatext
void MediaList::set_media_text(String const& text)
{
m_media.clear();
if (text.is_empty())
return;
m_media = parse_media_query_list({}, text);
}
// https://www.w3.org/TR/cssom-1/#dom-medialist-item
Optional<String> MediaList::item(size_t index) const
{
if (index >= length())
return {};
return m_media[index].to_string();
}
// https://www.w3.org/TR/cssom-1/#dom-medialist-appendmedium
void MediaList::append_medium(String medium)
{
auto m = parse_media_query({}, medium);
if (!m)
return;
if (m_media.contains_slow(*m))
return;
m_media.append(m.release_nonnull());
}
// https://www.w3.org/TR/cssom-1/#dom-medialist-deletemedium
void MediaList::delete_medium(String medium)
{
auto m = parse_media_query({}, medium);
if (!m)
return;
m_media.remove_all_matching([&](auto& existing) -> bool {
return m->to_string() == existing->to_string();
});
// FIXME: If nothing was removed, then throw a NotFoundError exception.
}
bool MediaList::evaluate(HTML::Window const& window)
{
for (auto& media : m_media)
media.evaluate(window);
return matches();
}
bool MediaList::matches() const
{
for (auto& media : m_media) {
if (media.matches())
return true;
}
return false;
}
}
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