gecko/dom/interfaces/core/nsIDOMElement.idl
2013-11-16 13:31:37 +01:00

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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsIDOMNode.idl"
interface nsIDOMMozNamedAttrMap;
/**
* The nsIDOMElement interface represents an element in an HTML or
* XML document.
*
* For more information on this interface please see
* http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#interface-element
*/
[scriptable, uuid(989422ef-120d-4d29-8a56-6aa2505a8b02)]
interface nsIDOMElement : nsIDOMNode
{
readonly attribute DOMString tagName;
/**
* Returns a DOMTokenList object reflecting the class attribute.
*/
readonly attribute nsISupports classList;
readonly attribute nsIDOMMozNamedAttrMap attributes;
DOMString getAttribute(in DOMString name);
DOMString getAttributeNS(in DOMString namespaceURI,
in DOMString localName);
void setAttribute(in DOMString name,
in DOMString value);
void setAttributeNS(in DOMString namespaceURI,
in DOMString qualifiedName,
in DOMString value);
void removeAttribute(in DOMString name);
void removeAttributeNS(in DOMString namespaceURI,
in DOMString localName);
boolean hasAttribute(in DOMString name);
boolean hasAttributeNS(in DOMString namespaceURI,
in DOMString localName);
// Obsolete methods.
nsIDOMAttr getAttributeNode(in DOMString name);
nsIDOMAttr setAttributeNode(in nsIDOMAttr newAttr);
nsIDOMAttr removeAttributeNode(in nsIDOMAttr oldAttr);
nsIDOMAttr getAttributeNodeNS(in DOMString namespaceURI,
in DOMString localName);
nsIDOMAttr setAttributeNodeNS(in nsIDOMAttr newAttr)
raises(DOMException);
nsIDOMHTMLCollection getElementsByTagName(in DOMString name);
nsIDOMHTMLCollection getElementsByTagNameNS(in DOMString namespaceURI,
in DOMString localName);
/**
* Retrieve elements matching all classes listed in a
* space-separated string.
*/
nsIDOMHTMLCollection getElementsByClassName(in DOMString classes);
/**
* Returns a live nsIDOMNodeList of the current child elements.
*/
[binaryname(ChildElements)]
readonly attribute nsIDOMNodeList children;
/**
* Similar as the attributes on nsIDOMNode, but navigates just elements
* rather than all nodes.
*/
readonly attribute nsIDOMElement firstElementChild;
readonly attribute nsIDOMElement lastElementChild;
readonly attribute nsIDOMElement previousElementSibling;
readonly attribute nsIDOMElement nextElementSibling;
/**
* Returns the number of child nodes that are nsIDOMElements.
*/
readonly attribute unsigned long childElementCount;
[binaryname(MozRemove)]
void remove();
// CSSOM View
/**
* Retrieve a list of rectangles, one for each CSS border-box associated with
* the element. The coordinates are in CSS pixels, and relative to
* the top-left of the document's viewport, unless the document
* has an SVG foreignobject ancestor, in which case the coordinates are
* relative to the top-left of the content box of the nearest SVG foreignobject
* ancestor. The coordinates are calculated as if every scrollable element
* is scrolled to its default position.
*
* Note: the boxes of overflowing children do not affect these rectangles.
* Note: some elements have empty CSS boxes. Those return empty rectangles,
* but the coordinates may still be meaningful.
* Note: some elements have no CSS boxes (including display:none elements,
* HTML AREA elements, and SVG elements that do not render). Those return
* an empty list.
*/
nsIDOMClientRectList getClientRects();
/**
* Returns the union of all rectangles in the getClientRects() list. Empty
* rectangles are ignored, except that if all rectangles are empty,
* we return an empty rectangle positioned at the top-left of the first
* rectangle in getClientRects().
*/
nsIDOMClientRect getBoundingClientRect();
/**
* The vertical scroll position of the element, or 0 if the element is not
* scrollable. This property may be assigned a value to change the
* vertical scroll position.
*/
attribute long scrollTop;
/**
* The horizontal scroll position of the element, or 0 if the element is not
* scrollable. This property may be assigned a value to change the
* horizontal scroll position.
*/
attribute long scrollLeft;
/**
* The width of the scrollable area of the element. If the element is not
* scrollable, scrollWidth is equivalent to the offsetWidth.
*/
readonly attribute long scrollWidth;
/**
* The height of the scrollable area of the element. If the element is not
* scrollable, scrollHeight is equivalent to the offsetHeight.
*/
readonly attribute long scrollHeight;
/**
* The height in CSS pixels of the element's top border.
*/
readonly attribute long clientTop;
/**
* The width in CSS pixels of the element's left border and scrollbar
* if it is present on the left side.
*/
readonly attribute long clientLeft;
/**
* The height in CSS pixels of the element's padding box. If the element is
* scrollable, the scroll bars are included inside this width.
*/
readonly attribute long clientWidth;
/**
* The width in CSS pixels of the element's padding box. If the element is
* scrollable, the scroll bars are included inside this height.
*/
readonly attribute long clientHeight;
/* The maximum offset that the element can be scrolled to
(i.e., the value that scrollLeft/scrollTop would be clamped to if they were
set to arbitrarily large values. */
readonly attribute long scrollLeftMax;
readonly attribute long scrollTopMax;
// Selectors API
/**
* Returns whether this element would be selected by the given selector
* string.
*
* See <http://dev.w3.org/2006/webapi/selectors-api2/#matchesselector>
*/
boolean mozMatchesSelector([Null(Stringify)] in DOMString selector);
// Proprietary extensions
/**
* Set this during a mousedown event to grab and retarget all mouse events
* to this element until the mouse button is released or releaseCapture is
* called. If retargetToElement is true, then all events are targetted at
* this element. If false, events can also fire at descendants of this
* element.
*
*/
void setCapture([optional] in boolean retargetToElement);
/**
* If this element has captured the mouse, release the capture. If another
* element has captured the mouse, this method has no effect.
*/
void releaseCapture();
// Mozilla extensions
/**
* Requests that this element be made the full-screen element, as per the DOM
* full-screen api.
*
* @see <https://wiki.mozilla.org/index.php?title=Gecko:FullScreenAPI>
*/
void mozRequestFullScreen();
/**
* Requests that this element be made the pointer-locked element, as per the DOM
* pointer lock api.
*
* @see <http://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html>
*/
void mozRequestPointerLock();
/**
* Return nodes that match a given CSS selector.
*
* @see <http://dev.w3.org/2006/webapi/selectors-api/>
*/
nsIDOMElement querySelector([Null(Stringify)] in DOMString selectors);
nsIDOMNodeList querySelectorAll([Null(Stringify)] in DOMString selectors);
};