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https://github.com/RGBCube/serenity
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1c829e0417
Currently, `evaluate()` recalculates whether the MediaQuery matches or not, and stores it in `m_matches`, which users can query using `matches()`. This allows us to know when the match-state changes, which is required to fire MediaQueryList's change event.
41 lines
985 B
C++
41 lines
985 B
C++
/*
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/NonnullRefPtrVector.h>
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#include <AK/Optional.h>
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#include <AK/RefCounted.h>
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#include <LibWeb/CSS/MediaQuery.h>
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namespace Web::CSS {
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// https://www.w3.org/TR/cssom-1/#the-medialist-interface
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class MediaList final : public RefCounted<MediaList> {
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public:
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static NonnullRefPtr<MediaList> create(NonnullRefPtrVector<MediaQuery>&& media)
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{
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return adopt_ref(*new MediaList(move(media)));
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}
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~MediaList();
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String media_text() const;
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void set_media_text(String const&);
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size_t length() const { return m_media.size(); }
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Optional<String> item(size_t index) const;
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void append_medium(String);
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void delete_medium(String);
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bool evaluate(DOM::Window const&);
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bool matches() const;
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private:
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explicit MediaList(NonnullRefPtrVector<MediaQuery>&&);
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NonnullRefPtrVector<MediaQuery> m_media;
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};
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}
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