/* * Copyright (c) 2021, Linus Groh * * SPDX-License-Identifier: BSD-2-Clause */ #include #include #include #include #include #include namespace Web::CSS { MediaQueryList::MediaQueryList(DOM::Document& document, NonnullRefPtrVector&& media) : DOM::EventTarget(static_cast(document)) , m_document(document) , m_media(move(media)) { } MediaQueryList::~MediaQueryList() { } // https://drafts.csswg.org/cssom-view/#dom-mediaquerylist-media String MediaQueryList::media() const { StringBuilder builder; builder.join(", ", m_media); return builder.to_string(); } // https://drafts.csswg.org/cssom-view/#dom-mediaquerylist-matches bool MediaQueryList::matches() const { // TODO: Implement me :^) return false; } JS::Object* MediaQueryList::create_wrapper(JS::GlobalObject& global_object) { return wrap(global_object, *this); } // https://www.w3.org/TR/cssom-view/#dom-mediaquerylist-addlistener void MediaQueryList::add_listener(RefPtr listener) { // 1. If listener is null, terminate these steps. if (!listener) return; // 2. Append an event listener to the associated list of event listeners with type set to change, // callback set to listener, and capture set to false, unless there already is an event listener // in that list with the same type, callback, and capture. // (NOTE: capture is set to false by default) add_event_listener(HTML::EventNames::change, listener); } // https://www.w3.org/TR/cssom-view/#dom-mediaquerylist-removelistener void MediaQueryList::remove_listener(RefPtr listener) { // 1. Remove an event listener from the associated list of event listeners, whose type is change, callback is listener, and capture is false. // NOTE: While the spec doesn't technically use remove_event_listener and instead manipulates the list directly, every major engine uses remove_event_listener. // This means if an event listener removes another event listener that comes after it, the removed event listener will not be invoked. remove_event_listener(HTML::EventNames::change, listener); } void MediaQueryList::set_onchange(HTML::EventHandler event_handler) { set_event_handler_attribute(HTML::EventNames::change, event_handler); } HTML::EventHandler MediaQueryList::onchange() { return event_handler_attribute(HTML::EventNames::change); } }