#import <Animations/Animatable.idl>
#import <ARIA/ARIAMixin.idl>
#import <DOM/Attr.idl>
#import <DOM/ChildNode.idl>
#import <DOM/DOMTokenList.idl>
#import <DOM/InnerHTML.idl>
#import <DOM/NamedNodeMap.idl>
#import <DOM/Node.idl>
#import <DOM/NodeList.idl>
#import <DOM/ParentNode.idl>
#import <DOM/ShadowRoot.idl>
#import <DOM/Slottable.idl>
#import <Geometry/DOMRect.idl>
#import <Geometry/DOMRectList.idl>
#import <HTML/HTMLSlotElement.idl>
#import <HTML/Window.idl>

enum ScrollLogicalPosition { "start", "center", "end", "nearest" };
dictionary ScrollIntoViewOptions : ScrollOptions {
    ScrollLogicalPosition block = "start";
    ScrollLogicalPosition inline = "nearest";
};

// https://dom.spec.whatwg.org/#element
[Exposed=Window]
interface Element : Node {
    readonly attribute DOMString? namespaceURI;
    readonly attribute DOMString? prefix;
    readonly attribute DOMString localName;
    readonly attribute DOMString tagName;

    DOMString? getAttribute(DOMString qualifiedName);
    DOMString? getAttributeNS([FlyString] DOMString? namespace, [FlyString] DOMString localName);
    [CEReactions] undefined setAttribute(DOMString qualifiedName, DOMString value);
    [CEReactions] undefined setAttributeNS([FlyString] DOMString? namespace , [FlyString] DOMString qualifiedName , DOMString value);
    [CEReactions] Attr? setAttributeNode(Attr attr);
    [CEReactions] Attr? setAttributeNodeNS(Attr attr);

    [CEReactions] undefined removeAttribute([FlyString] DOMString qualifiedName);
    [CEReactions] undefined removeAttributeNS([FlyString] DOMString? namespace, [FlyString] DOMString localName);
    [CEReactions] boolean toggleAttribute(DOMString qualifiedName, optional boolean force);
    boolean hasAttribute(DOMString qualifiedName);
    boolean hasAttributeNS([FlyString] DOMString? namespace, [FlyString] DOMString localName);
    boolean hasAttributes();
    [SameObject] readonly attribute NamedNodeMap attributes;
    sequence<DOMString> getAttributeNames();

    Attr? getAttributeNode([FlyString] DOMString qualifiedName);
    Attr? getAttributeNodeNS([FlyString] DOMString? namespace, [FlyString] DOMString localName);

    HTMLCollection getElementsByTagName(DOMString tagName);
    HTMLCollection getElementsByTagNameNS(DOMString? namespace, DOMString localName);
    HTMLCollection getElementsByClassName(DOMString className);

    [Reflect, CEReactions] attribute DOMString id;
    [Reflect=class, CEReactions] attribute DOMString className;
    [SameObject, PutForwards=value] readonly attribute DOMTokenList classList;
    [Reflect, CEReactions, Unscopable] attribute DOMString slot;

    ShadowRoot attachShadow(ShadowRootInit init);
    readonly attribute ShadowRoot? shadowRoot;

    boolean matches(DOMString selectors);
    Element? closest(DOMString selectors);

    // legacy alias of .matches
    [ImplementedAs=matches] boolean webkitMatchesSelector(DOMString selectors);

    readonly attribute Element? nextElementSibling;
    readonly attribute Element? previousElementSibling;

    DOMRect getBoundingClientRect();
    DOMRectList getClientRects();

    attribute unrestricted double scrollTop;
    attribute unrestricted double scrollLeft;
    readonly attribute long scrollWidth;
    readonly attribute long scrollHeight;
    readonly attribute long clientTop;
    readonly attribute long clientLeft;
    readonly attribute long clientWidth;
    readonly attribute long clientHeight;

    [CEReactions] Element? insertAdjacentElement(DOMString where, Element element);
    undefined insertAdjacentText(DOMString where, DOMString data);
    [CEReactions] undefined insertAdjacentHTML(DOMString position, DOMString text);

    undefined scrollIntoView(optional (boolean or ScrollIntoViewOptions) arg = {});

    undefined scroll(optional ScrollToOptions options = {});
    undefined scroll(unrestricted double x, unrestricted double y);
    [ImplementedAs=scroll] undefined scrollTo(optional ScrollToOptions options = {});
    [ImplementedAs=scroll] undefined scrollTo(unrestricted double x, unrestricted double y);

};

dictionary ShadowRootInit {
    required ShadowRootMode mode;
    boolean delegatesFocus = false;
    SlotAssignmentMode slotAssignment = "named";
};

Element includes ParentNode;
Element includes ChildNode;
Element includes InnerHTML;
// https://www.w3.org/TR/wai-aria-1.2/#idl_element
Element includes ARIAMixin;
Element includes Slottable;
// https://www.w3.org/TR/web-animations-1/#extensions-to-the-element-interface
Element includes Animatable;