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	This required splitting out CSS::StyleProperty into its own file and out-of-lining Element::layout_node().
		
			
				
	
	
		
			118 lines
		
	
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * Copyright (c) 2018-2023, 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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#pragma once
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#include <AK/DeprecatedString.h>
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#include <AK/Vector.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/CSS/StyleProperty.h>
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#include <LibWeb/CSS/StyleValue.h>
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namespace Web::CSS {
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class CSSStyleDeclaration : public Bindings::PlatformObject {
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    WEB_PLATFORM_OBJECT(CSSStyleDeclaration, Bindings::PlatformObject);
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public:
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    virtual ~CSSStyleDeclaration() = default;
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    virtual size_t length() const = 0;
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    virtual DeprecatedString item(size_t index) const = 0;
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    virtual Optional<StyleProperty> property(PropertyID) const = 0;
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    virtual WebIDL::ExceptionOr<void> set_property(PropertyID, StringView css_text, StringView priority = ""sv) = 0;
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    virtual WebIDL::ExceptionOr<DeprecatedString> remove_property(PropertyID) = 0;
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    WebIDL::ExceptionOr<void> set_property(StringView property_name, StringView css_text, StringView priority);
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    WebIDL::ExceptionOr<DeprecatedString> remove_property(StringView property_name);
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    DeprecatedString get_property_value(StringView property) const;
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    DeprecatedString get_property_priority(StringView property) const;
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    DeprecatedString css_text() const;
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    virtual WebIDL::ExceptionOr<void> set_css_text(StringView) = 0;
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    virtual DeprecatedString serialized() const = 0;
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    virtual JS::ThrowCompletionOr<bool> internal_has_property(JS::PropertyKey const& name) const override;
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    virtual JS::ThrowCompletionOr<JS::Value> internal_get(JS::PropertyKey const&, JS::Value receiver) const override;
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    virtual JS::ThrowCompletionOr<bool> internal_set(JS::PropertyKey const&, JS::Value value, JS::Value receiver) override;
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protected:
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    explicit CSSStyleDeclaration(JS::Realm&);
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};
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class PropertyOwningCSSStyleDeclaration : public CSSStyleDeclaration {
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    WEB_PLATFORM_OBJECT(PropertyOwningCSSStyleDeclaration, CSSStyleDeclaration);
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    friend class ElementInlineCSSStyleDeclaration;
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public:
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    static WebIDL::ExceptionOr<JS::NonnullGCPtr<PropertyOwningCSSStyleDeclaration>> create(JS::Realm&, Vector<StyleProperty>, HashMap<DeprecatedString, StyleProperty> custom_properties);
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    virtual ~PropertyOwningCSSStyleDeclaration() override = default;
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    virtual size_t length() const override;
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    virtual DeprecatedString item(size_t index) const override;
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    virtual Optional<StyleProperty> property(PropertyID) const override;
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    virtual WebIDL::ExceptionOr<void> set_property(PropertyID, StringView css_text, StringView priority) override;
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    virtual WebIDL::ExceptionOr<DeprecatedString> remove_property(PropertyID) override;
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    Vector<StyleProperty> const& properties() const { return m_properties; }
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    HashMap<DeprecatedString, StyleProperty> const& custom_properties() const { return m_custom_properties; }
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    Optional<StyleProperty> custom_property(DeprecatedString const& custom_property_name) const { return m_custom_properties.get(custom_property_name); }
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    size_t custom_property_count() const { return m_custom_properties.size(); }
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    virtual DeprecatedString serialized() const final override;
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    virtual WebIDL::ExceptionOr<void> set_css_text(StringView) override;
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protected:
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    PropertyOwningCSSStyleDeclaration(JS::Realm&, Vector<StyleProperty>, HashMap<DeprecatedString, StyleProperty>);
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    virtual void update_style_attribute() { }
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    void empty_the_declarations();
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    void set_the_declarations(Vector<StyleProperty> properties, HashMap<DeprecatedString, StyleProperty> custom_properties);
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private:
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    bool set_a_css_declaration(PropertyID, NonnullRefPtr<StyleValue const>, Important);
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    Vector<StyleProperty> m_properties;
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    HashMap<DeprecatedString, StyleProperty> m_custom_properties;
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};
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class ElementInlineCSSStyleDeclaration final : public PropertyOwningCSSStyleDeclaration {
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    WEB_PLATFORM_OBJECT(ElementInlineCSSStyleDeclaration, PropertyOwningCSSStyleDeclaration);
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public:
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    static WebIDL::ExceptionOr<JS::NonnullGCPtr<ElementInlineCSSStyleDeclaration>> create(DOM::Element&, Vector<StyleProperty> properties, HashMap<DeprecatedString, StyleProperty> custom_properties);
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    virtual ~ElementInlineCSSStyleDeclaration() override = default;
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    DOM::Element* element() { return m_element.ptr(); }
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    const DOM::Element* element() const { return m_element.ptr(); }
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    bool is_updating() const { return m_updating; }
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    virtual WebIDL::ExceptionOr<void> set_css_text(StringView) override;
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private:
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    ElementInlineCSSStyleDeclaration(DOM::Element&, Vector<StyleProperty> properties, HashMap<DeprecatedString, StyleProperty> custom_properties);
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    virtual void visit_edges(Cell::Visitor&) override;
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    virtual void update_style_attribute() override;
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    JS::GCPtr<DOM::Element> m_element;
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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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