2692db8699
Note that as of this commit, there aren't any such throwers, and the call site in Heap::allocate will drop exceptions on the floor. This commit only serves to change the declaration of the overrides, make sure they return an empty value, and to propagate OOM errors frm their base initialize invocations.
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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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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JS::ThrowCompletionOr<void> CSSMediaRule::initialize(JS::Realm& realm)
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{
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MUST_OR_THROW_OOM(Base::initialize(realm));
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set_prototype(&Bindings::ensure_web_prototype<Bindings::CSSMediaRulePrototype>(realm, "CSSMediaRule"));
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return {};
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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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DeprecatedString 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(DeprecatedString 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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DeprecatedString 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 builder.to_deprecated_string();
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}
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}
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