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			76 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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 * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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 *
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 * SPDX-License-Identifier: BSD-2-Clause
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 */
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#include <LibJS/Runtime/Realm.h>
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#include <LibWeb/Bindings/CSSMediaRulePrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/CSSMediaRule.h>
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namespace Web::CSS {
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JS_DEFINE_ALLOCATOR(CSSMediaRule);
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JS::NonnullGCPtr<CSSMediaRule> CSSMediaRule::create(JS::Realm& realm, MediaList& media_queries, CSSRuleList& rules)
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{
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    return realm.heap().allocate<CSSMediaRule>(realm, realm, media_queries, rules);
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}
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CSSMediaRule::CSSMediaRule(JS::Realm& realm, MediaList& media, CSSRuleList& rules)
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    : CSSConditionRule(realm, rules)
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    , m_media(media)
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{
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}
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void CSSMediaRule::initialize(JS::Realm& realm)
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{
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    Base::initialize(realm);
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    set_prototype(&Bindings::ensure_web_prototype<Bindings::CSSMediaRulePrototype>(realm, "CSSMediaRule"_fly_string));
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}
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void CSSMediaRule::visit_edges(Cell::Visitor& visitor)
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{
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    Base::visit_edges(visitor);
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    visitor.visit(m_media);
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}
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String CSSMediaRule::condition_text() const
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{
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    return m_media->media_text();
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}
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void CSSMediaRule::set_condition_text(String const& text)
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{
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    m_media->set_media_text(text);
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}
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// https://www.w3.org/TR/cssom-1/#serialize-a-css-rule
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String CSSMediaRule::serialized() const
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{
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    // The result of concatenating the following:
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    StringBuilder builder;
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    // 1. The string "@media", followed by a single SPACE (U+0020).
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    builder.append("@media "sv);
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    // 2. The result of performing serialize a media query list on rule’s media query list.
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    builder.append(condition_text());
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    // 3. A single SPACE (U+0020), followed by the string "{", i.e., LEFT CURLY BRACKET (U+007B), followed by a newline.
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    builder.append(" {\n"sv);
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    // 4. The result of performing serialize a CSS rule on each rule in the rule’s cssRules list, separated by a newline and indented by two spaces.
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    for (size_t i = 0; i < css_rules().length(); i++) {
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        auto rule = css_rules().item(i);
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        if (i != 0)
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            builder.append("\n"sv);
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        builder.append("  "sv);
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        builder.append(rule->css_text());
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    }
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    // 5. A newline, followed by the string "}", i.e., RIGHT CURLY BRACKET (U+007D)
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    builder.append("\n}"sv);
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    return MUST(builder.to_string());
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}
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}
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