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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/FlyString.h>
#include <AK/String.h>
#include <LibWeb/DOM/Attribute.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/DOM/NonDocumentTypeChildNode.h>
#include <LibWeb/DOM/ParentNode.h>
#include <LibWeb/HTML/AttributeNames.h>
#include <LibWeb/HTML/TagNames.h>
#include <LibWeb/Layout/Node.h>
#include <LibWeb/QualifiedName.h>
namespace Web::DOM {
class Element
: public ParentNode
, public NonDocumentTypeChildNode<Element> {
public:
using WrapperType = Bindings::ElementWrapper;
Element(Document&, QualifiedName);
virtual ~Element() override;
virtual FlyString node_name() const final { return m_qualified_name.local_name(); }
const FlyString& local_name() const { return m_qualified_name.local_name(); }
// NOTE: This is for the JS bindings
const FlyString& tag_name() const { return local_name(); }
const FlyString& prefix() const { return m_qualified_name.prefix(); }
const FlyString& namespace_() const { return m_qualified_name.namespace_(); }
// NOTE: This is for the JS bindings
const FlyString& namespace_uri() const { return namespace_(); }
bool has_attribute(const FlyString& name) const { return !attribute(name).is_null(); }
bool has_attributes() const { return !m_attributes.is_empty(); }
String attribute(const FlyString& name) const;
String get_attribute(const FlyString& name) const { return attribute(name); }
ExceptionOr<void> set_attribute(const FlyString& name, const String& value);
void remove_attribute(const FlyString& name);
template<typename Callback>
void for_each_attribute(Callback callback) const
{
for (auto& attribute : m_attributes)
callback(attribute.name(), attribute.value());
}
bool has_class(const FlyString&, CaseSensitivity = CaseSensitivity::CaseSensitive) const;
const Vector<FlyString>& class_names() const { return m_classes; }
virtual void apply_presentational_hints(CSS::StyleProperties&) const { }
virtual void parse_attribute(const FlyString& name, const String& value);
void recompute_style();
Layout::NodeWithStyle* layout_node() { return static_cast<Layout::NodeWithStyle*>(Node::layout_node()); }
const Layout::NodeWithStyle* layout_node() const { return static_cast<const Layout::NodeWithStyle*>(Node::layout_node()); }
String name() const { return attribute(HTML::AttributeNames::name); }
const CSS::StyleProperties* specified_css_values() const { return m_specified_css_values.ptr(); }
NonnullRefPtr<CSS::StyleProperties> computed_style();
const CSS::CSSStyleDeclaration* inline_style() const { return m_inline_style; }
NonnullRefPtr<CSS::CSSStyleDeclaration> style_for_bindings();
// FIXME: innerHTML also appears on shadow roots. https://w3c.github.io/DOM-Parsing/#dom-innerhtml
String inner_html() const;
void set_inner_html(StringView);
bool is_focused() const;
virtual bool is_focusable() const { return false; }
NonnullRefPtrVector<Element> get_elements_by_tag_name(const FlyString&) const;
NonnullRefPtrVector<Element> get_elements_by_class_name(const FlyString&) const;
ShadowRoot* shadow_root() { return m_shadow_root; }
const ShadowRoot* shadow_root() const { return m_shadow_root; }
void set_shadow_root(RefPtr<ShadowRoot>);
protected:
RefPtr<Layout::Node> create_layout_node() override;
private:
Attribute* find_attribute(const FlyString& name);
const Attribute* find_attribute(const FlyString& name) const;
QualifiedName m_qualified_name;
Vector<Attribute> m_attributes;
RefPtr<CSS::CSSStyleDeclaration> m_inline_style;
RefPtr<CSS::StyleProperties> m_specified_css_values;
Vector<FlyString> m_classes;
RefPtr<ShadowRoot> m_shadow_root;
};
template<>
inline bool Node::fast_is<Element>() const { return is_element(); }
}
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