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a28197669a
CSSStyleDeclaration is a base class that's used by various collections of style properties or descriptors. This commit moves all style-property-related code into CSSStyleProperties, where it belongs. As noted in the previous commit, we also apply the CSSStyleProperties prototype now.
95 lines
3.2 KiB
C++
95 lines
3.2 KiB
C++
/*
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* Copyright (c) 2018-2023, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2024-2025, Sam Atkins <sam@ladybird.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/String.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/CSS/CSSStyleValue.h>
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#include <LibWeb/CSS/StyleProperty.h>
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#include <LibWeb/DOM/ElementReference.h>
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namespace Web::CSS {
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// https://drafts.csswg.org/cssom/#css-declaration-blocks
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class CSSStyleDeclaration
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: public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(CSSStyleDeclaration, Bindings::PlatformObject);
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GC_DECLARE_ALLOCATOR(CSSStyleDeclaration);
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public:
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virtual ~CSSStyleDeclaration() = default;
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virtual void initialize(JS::Realm&) override;
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virtual size_t length() const = 0;
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virtual String item(size_t index) const = 0;
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virtual WebIDL::ExceptionOr<void> set_property(StringView property_name, StringView css_text, StringView priority) = 0;
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virtual WebIDL::ExceptionOr<String> remove_property(StringView property_name) = 0;
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virtual String get_property_value(StringView property_name) const = 0;
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virtual StringView get_property_priority(StringView property_name) const = 0;
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String css_text() const;
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virtual WebIDL::ExceptionOr<void> set_css_text(StringView) = 0;
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virtual String serialized() const = 0;
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-computed-flag
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[[nodiscard]] bool is_computed() const { return m_computed; }
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-readonly-flag
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[[nodiscard]] bool is_readonly() const { return m_readonly; }
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-parent-css-rule
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GC::Ptr<CSSRule> parent_rule() const { return m_parent_rule; }
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void set_parent_rule(GC::Ptr<CSSRule> parent) { m_parent_rule = parent; }
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-owner-node
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Optional<DOM::ElementReference> owner_node() const { return m_owner_node; }
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void set_owner_node(Optional<DOM::ElementReference> owner_node) { m_owner_node = move(owner_node); }
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-updating-flag
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[[nodiscard]] bool is_updating() const { return m_updating; }
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void set_is_updating(bool value) { m_updating = value; }
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protected:
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enum class Computed : u8 {
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No,
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Yes,
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};
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enum class Readonly : u8 {
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No,
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Yes,
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};
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explicit CSSStyleDeclaration(JS::Realm&, Computed, Readonly);
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virtual void visit_edges(Visitor&) override;
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void update_style_attribute();
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private:
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// ^PlatformObject
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virtual Optional<JS::Value> item_value(size_t index) const override;
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-parent-css-rule
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GC::Ptr<CSSRule> m_parent_rule { nullptr };
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-owner-node
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Optional<DOM::ElementReference> m_owner_node {};
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-computed-flag
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bool m_computed { false };
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-readonly-flag
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bool m_readonly { false };
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// https://drafts.csswg.org/cssom/#cssstyledeclaration-updating-flag
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bool m_updating { false };
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};
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}
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