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/*
* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <AK/Vector.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/CSS/StyleValue.h>
namespace Web::CSS {
enum class Important {
No,
Yes,
};
struct StyleProperty {
Important important { Important::No };
CSS::PropertyID property_id;
NonnullRefPtr<StyleValue> value;
DeprecatedString custom_name {};
};
class CSSStyleDeclaration : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(CSSStyleDeclaration, Bindings::PlatformObject);
public:
virtual ~CSSStyleDeclaration() = default;
virtual size_t length() const = 0;
virtual DeprecatedString item(size_t index) const = 0;
virtual Optional<StyleProperty> property(PropertyID) const = 0;
virtual WebIDL::ExceptionOr<void> set_property(PropertyID, StringView css_text, StringView priority = ""sv) = 0;
virtual WebIDL::ExceptionOr<DeprecatedString> remove_property(PropertyID) = 0;
WebIDL::ExceptionOr<void> set_property(StringView property_name, StringView css_text, StringView priority);
WebIDL::ExceptionOr<DeprecatedString> remove_property(StringView property_name);
DeprecatedString get_property_value(StringView property) const;
DeprecatedString get_property_priority(StringView property) const;
DeprecatedString css_text() const;
virtual WebIDL::ExceptionOr<void> set_css_text(StringView) = 0;
virtual DeprecatedString serialized() const = 0;
virtual JS::ThrowCompletionOr<bool> internal_has_property(JS::PropertyKey const& name) const override;
virtual JS::ThrowCompletionOr<JS::Value> internal_get(JS::PropertyKey const&, JS::Value receiver) const override;
virtual JS::ThrowCompletionOr<bool> internal_set(JS::PropertyKey const&, JS::Value value, JS::Value receiver) override;
protected:
explicit CSSStyleDeclaration(JS::Realm&);
};
class PropertyOwningCSSStyleDeclaration : public CSSStyleDeclaration {
WEB_PLATFORM_OBJECT(PropertyOwningCSSStyleDeclaration, CSSStyleDeclaration);
friend class ElementInlineCSSStyleDeclaration;
public:
static PropertyOwningCSSStyleDeclaration* create(JS::Realm&, Vector<StyleProperty>, HashMap<DeprecatedString, StyleProperty> custom_properties);
virtual ~PropertyOwningCSSStyleDeclaration() override = default;
virtual size_t length() const override;
virtual DeprecatedString item(size_t index) const override;
virtual Optional<StyleProperty> property(PropertyID) const override;
virtual WebIDL::ExceptionOr<void> set_property(PropertyID, StringView css_text, StringView priority) override;
virtual WebIDL::ExceptionOr<DeprecatedString> remove_property(PropertyID) override;
Vector<StyleProperty> const& properties() const { return m_properties; }
HashMap<DeprecatedString, StyleProperty> const& custom_properties() const { return m_custom_properties; }
Optional<StyleProperty> custom_property(DeprecatedString const& custom_property_name) const { return m_custom_properties.get(custom_property_name); }
size_t custom_property_count() const { return m_custom_properties.size(); }
virtual DeprecatedString serialized() const final override;
virtual WebIDL::ExceptionOr<void> set_css_text(StringView) override;
protected:
PropertyOwningCSSStyleDeclaration(JS::Realm&, Vector<StyleProperty>, HashMap<DeprecatedString, StyleProperty>);
virtual void update_style_attribute() { }
void empty_the_declarations();
void set_the_declarations(Vector<StyleProperty> properties, HashMap<DeprecatedString, StyleProperty> custom_properties);
private:
bool set_a_css_declaration(PropertyID, NonnullRefPtr<StyleValue>, Important);
Vector<StyleProperty> m_properties;
HashMap<DeprecatedString, StyleProperty> m_custom_properties;
};
class ElementInlineCSSStyleDeclaration final : public PropertyOwningCSSStyleDeclaration {
WEB_PLATFORM_OBJECT(ElementInlineCSSStyleDeclaration, PropertyOwningCSSStyleDeclaration);
public:
static ElementInlineCSSStyleDeclaration* create(DOM::Element&, Vector<StyleProperty> properties, HashMap<DeprecatedString, StyleProperty> custom_properties);
virtual ~ElementInlineCSSStyleDeclaration() override = default;
DOM::Element* element() { return m_element.ptr(); }
const DOM::Element* element() const { return m_element.ptr(); }
bool is_updating() const { return m_updating; }
virtual WebIDL::ExceptionOr<void> set_css_text(StringView) override;
private:
ElementInlineCSSStyleDeclaration(DOM::Element&, Vector<StyleProperty> properties, HashMap<DeprecatedString, StyleProperty> custom_properties);
virtual void visit_edges(Cell::Visitor&) override;
virtual void update_style_attribute() override;
JS::GCPtr<DOM::Element> m_element;
// https://drafts.csswg.org/cssom/#cssstyledeclaration-updating-flag
bool m_updating { false };
};
}
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