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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/FlyString.h>
#include <AK/String.h>
#include <LibWeb/CSS/CSSStyleDeclaration.h>
#include <LibWeb/CSS/StyleComputer.h>
#include <LibWeb/DOM/Attribute.h>
#include <LibWeb/DOM/ChildNode.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/DOM/NamedNodeMap.h>
#include <LibWeb/DOM/NonDocumentTypeChildNode.h>
#include <LibWeb/DOM/ParentNode.h>
#include <LibWeb/DOM/QualifiedName.h>
#include <LibWeb/HTML/AttributeNames.h>
#include <LibWeb/HTML/EventLoop/Task.h>
#include <LibWeb/HTML/TagNames.h>
#include <LibWeb/Layout/Node.h>
#include <LibWeb/Layout/TreeBuilder.h>
namespace Web::DOM {
class Element
: public ParentNode
, public ChildNode<Element>
, public NonDocumentTypeChildNode<Element> {
public:
using WrapperType = Bindings::ElementWrapper;
Element(Document&, DOM::QualifiedName);
virtual ~Element() override;
String const& qualified_name() const { return m_qualified_name.as_string(); }
String const& html_uppercased_qualified_name() const { return m_html_uppercased_qualified_name; }
virtual FlyString node_name() const final { return html_uppercased_qualified_name(); }
FlyString const& local_name() const { return m_qualified_name.local_name(); }
// NOTE: This is for the JS bindings
String const& tag_name() const { return html_uppercased_qualified_name(); }
FlyString const& prefix() const { return m_qualified_name.prefix(); }
FlyString const& namespace_() const { return m_qualified_name.namespace_(); }
// NOTE: This is for the JS bindings
FlyString const& namespace_uri() const { return namespace_(); }
bool has_attribute(FlyString const& name) const;
bool has_attributes() const { return !m_attributes->is_empty(); }
String attribute(FlyString const& name) const { return get_attribute(name); }
String get_attribute(FlyString const& name) const;
ExceptionOr<void> set_attribute(FlyString const& name, String const& value);
ExceptionOr<void> set_attribute_ns(FlyString const& namespace_, FlyString const& qualified_name, String const& value);
void remove_attribute(FlyString const& name);
DOM::ExceptionOr<bool> toggle_attribute(FlyString const& name, Optional<bool> force);
size_t attribute_list_size() const { return m_attributes->length(); }
NonnullRefPtr<NamedNodeMap> const& attributes() const { return m_attributes; }
Vector<String> get_attribute_names() const;
RefPtr<DOMTokenList> const& class_list();
DOM::ExceptionOr<bool> matches(StringView selectors) const;
DOM::ExceptionOr<DOM::Element const*> closest(StringView selectors) const;
int client_top() const;
int client_left() const;
int client_width() const;
int client_height() const;
template<typename Callback>
void for_each_attribute(Callback callback) const
{
for (size_t i = 0; i < m_attributes->length(); ++i) {
auto const* attribute = m_attributes->item(i);
callback(attribute->name(), attribute->value());
}
}
bool has_class(FlyString const&, CaseSensitivity = CaseSensitivity::CaseSensitive) const;
Vector<FlyString> const& class_names() const { return m_classes; }
virtual void apply_presentational_hints(CSS::StyleProperties&) const { }
virtual void parse_attribute(FlyString const& name, String const& value);
virtual void did_remove_attribute(FlyString const&);
enum class NeedsRelayout {
No = 0,
Yes = 1,
};
NeedsRelayout recompute_style();
Layout::NodeWithStyle* layout_node() { return static_cast<Layout::NodeWithStyle*>(Node::layout_node()); }
Layout::NodeWithStyle const* layout_node() const { return static_cast<Layout::NodeWithStyle const*>(Node::layout_node()); }
String name() const { return attribute(HTML::AttributeNames::name); }
CSS::StyleProperties const* computed_css_values() const { return m_computed_css_values.ptr(); }
void set_computed_css_values(RefPtr<CSS::StyleProperties> style) { m_computed_css_values = move(style); }
NonnullRefPtr<CSS::StyleProperties> resolved_css_values();
const CSS::CSSStyleDeclaration* inline_style() const { return m_inline_style; }
NonnullRefPtr<CSS::CSSStyleDeclaration> style_for_bindings();
String inner_html() const;
ExceptionOr<void> set_inner_html(String const&);
bool is_focused() const;
bool is_active() const;
NonnullRefPtr<HTMLCollection> get_elements_by_class_name(FlyString const&);
ShadowRoot* shadow_root() { return m_shadow_root; }
ShadowRoot const* shadow_root() const { return m_shadow_root; }
void set_shadow_root(RefPtr<ShadowRoot>);
void set_custom_properties(HashMap<FlyString, CSS::StyleProperty> custom_properties) { m_custom_properties = move(custom_properties); }
HashMap<FlyString, CSS::StyleProperty> const& custom_properties() const { return m_custom_properties; }
void queue_an_element_task(HTML::Task::Source, Function<void()>);
bool is_void_element() const;
bool serializes_as_void() const;
NonnullRefPtr<Geometry::DOMRect> get_bounding_client_rect() const;
NonnullRefPtr<Geometry::DOMRectList> get_client_rects() const;
virtual RefPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>);
virtual void did_receive_focus() { }
virtual void did_lose_focus() { }
static RefPtr<Layout::Node> create_layout_node_for_display_type(DOM::Document&, CSS::Display const&, NonnullRefPtr<CSS::StyleProperties>, Element*);
void set_pseudo_element_node(Badge<Layout::TreeBuilder>, CSS::Selector::PseudoElement, RefPtr<Layout::Node>);
RefPtr<Layout::Node> get_pseudo_element_node(CSS::Selector::PseudoElement) const;
void clear_pseudo_element_nodes(Badge<Layout::TreeBuilder>);
void serialize_pseudo_elements_as_json(JsonArraySerializer<StringBuilder>& children_array) const;
protected:
virtual void children_changed() override;
private:
void make_html_uppercased_qualified_name();
QualifiedName m_qualified_name;
String m_html_uppercased_qualified_name;
NonnullRefPtr<NamedNodeMap> m_attributes;
RefPtr<CSS::CSSStyleDeclaration> m_inline_style;
RefPtr<CSS::StyleProperties> m_computed_css_values;
HashMap<FlyString, CSS::StyleProperty> m_custom_properties;
RefPtr<DOMTokenList> m_class_list;
Vector<FlyString> m_classes;
RefPtr<ShadowRoot> m_shadow_root;
Array<RefPtr<Layout::Node>, CSS::Selector::PseudoElementCount> m_pseudo_element_nodes;
};
template<>
inline bool Node::fast_is<Element>() const { return is_element(); }
ExceptionOr<QualifiedName> validate_and_extract(FlyString namespace_, FlyString qualified_name);
}
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