40a70461a0
Similar to create() in LibJS, wrap() et al. are on a low enough level to warrant passing a Realm directly instead of relying on the current realm from the VM, as a wrapper may need to be allocated while no JS is being executed.
124 lines
4.2 KiB
C++
124 lines
4.2 KiB
C++
/*
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* Copyright (c) 2018-2021, 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/String.h>
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#include <AK/Vector.h>
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#include <LibWeb/Bindings/Wrappable.h>
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#include <LibWeb/CSS/StyleValue.h>
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namespace Web::CSS {
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enum class Important {
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No,
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Yes,
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};
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struct StyleProperty {
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Important important { Important::No };
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CSS::PropertyID property_id;
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NonnullRefPtr<StyleValue> value;
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String custom_name {};
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};
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class CSSStyleDeclaration
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: public RefCounted<CSSStyleDeclaration>
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, public Bindings::Wrappable {
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public:
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using WrapperType = Bindings::CSSStyleDeclarationWrapper;
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virtual ~CSSStyleDeclaration() = default;
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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 Optional<StyleProperty> property(PropertyID) const = 0;
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virtual DOM::ExceptionOr<void> set_property(PropertyID, StringView css_text, StringView priority = ""sv) = 0;
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virtual DOM::ExceptionOr<String> remove_property(PropertyID) = 0;
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DOM::ExceptionOr<void> set_property(StringView property_name, StringView css_text, StringView priority);
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DOM::ExceptionOr<String> remove_property(StringView property_name);
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String get_property_value(StringView property) const;
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String get_property_priority(StringView property) const;
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String css_text() const;
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void set_css_text(StringView);
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virtual String serialized() const = 0;
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protected:
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CSSStyleDeclaration() = default;
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};
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class PropertyOwningCSSStyleDeclaration : public CSSStyleDeclaration {
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friend class ElementInlineCSSStyleDeclaration;
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public:
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static NonnullRefPtr<PropertyOwningCSSStyleDeclaration> create(Vector<StyleProperty> properties, HashMap<String, StyleProperty> custom_properties)
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{
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return adopt_ref(*new PropertyOwningCSSStyleDeclaration(move(properties), move(custom_properties)));
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}
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virtual ~PropertyOwningCSSStyleDeclaration() override = default;
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virtual size_t length() const override;
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virtual String item(size_t index) const override;
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virtual Optional<StyleProperty> property(PropertyID) const override;
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virtual DOM::ExceptionOr<void> set_property(PropertyID, StringView css_text, StringView priority) override;
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virtual DOM::ExceptionOr<String> remove_property(PropertyID) override;
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Vector<StyleProperty> const& properties() const { return m_properties; }
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HashMap<String, StyleProperty> const& custom_properties() const { return m_custom_properties; }
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Optional<StyleProperty> custom_property(String 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 String serialized() const final override;
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protected:
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explicit PropertyOwningCSSStyleDeclaration(Vector<StyleProperty>, HashMap<String, StyleProperty>);
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virtual void update_style_attribute() { }
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private:
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bool set_a_css_declaration(PropertyID, NonnullRefPtr<StyleValue>, Important);
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Vector<StyleProperty> m_properties;
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HashMap<String, StyleProperty> m_custom_properties;
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};
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class ElementInlineCSSStyleDeclaration final : public PropertyOwningCSSStyleDeclaration {
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public:
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static NonnullRefPtr<ElementInlineCSSStyleDeclaration> create(DOM::Element& element, Vector<StyleProperty> properties, HashMap<String, StyleProperty> custom_properties) { return adopt_ref(*new ElementInlineCSSStyleDeclaration(element, move(properties), move(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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private:
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explicit ElementInlineCSSStyleDeclaration(DOM::Element&, Vector<StyleProperty> properties, HashMap<String, StyleProperty> custom_properties);
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virtual void update_style_attribute() override;
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WeakPtr<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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namespace Web::Bindings {
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CSSStyleDeclarationWrapper* wrap(JS::Realm&, CSS::CSSStyleDeclaration&);
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}
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