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comparison: dom/interfaces/core/nsIDOMElement.idl

dom/interfaces/core/nsIDOMElement.idl

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1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #include "nsIDOMNode.idl"
7
8 interface nsIDOMMozNamedAttrMap;
9
10 /**
11 * The nsIDOMElement interface represents an element in an HTML or
12 * XML document.
13 *
14 * For more information on this interface please see
15 * http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#interface-element
16 */
17
18 [scriptable, uuid(989422ef-120d-4d29-8a56-6aa2505a8b02)]
19 interface nsIDOMElement : nsIDOMNode
20 {
21 readonly attribute DOMString tagName;
22
23 /**
24 * Returns a DOMTokenList object reflecting the class attribute.
25 */
26 readonly attribute nsISupports classList;
27
28 readonly attribute nsIDOMMozNamedAttrMap attributes;
29 DOMString getAttribute(in DOMString name);
30 DOMString getAttributeNS(in DOMString namespaceURI,
31 in DOMString localName);
32 void setAttribute(in DOMString name,
33 in DOMString value);
34 void setAttributeNS(in DOMString namespaceURI,
35 in DOMString qualifiedName,
36 in DOMString value);
37 void removeAttribute(in DOMString name);
38 void removeAttributeNS(in DOMString namespaceURI,
39 in DOMString localName);
40 boolean hasAttribute(in DOMString name);
41 boolean hasAttributeNS(in DOMString namespaceURI,
42 in DOMString localName);
43
44 // Obsolete methods.
45 nsIDOMAttr getAttributeNode(in DOMString name);
46 nsIDOMAttr setAttributeNode(in nsIDOMAttr newAttr);
47 nsIDOMAttr removeAttributeNode(in nsIDOMAttr oldAttr);
48 nsIDOMAttr getAttributeNodeNS(in DOMString namespaceURI,
49 in DOMString localName);
50 nsIDOMAttr setAttributeNodeNS(in nsIDOMAttr newAttr)
51 raises(DOMException);
52
53 nsIDOMHTMLCollection getElementsByTagName(in DOMString name);
54 nsIDOMHTMLCollection getElementsByTagNameNS(in DOMString namespaceURI,
55 in DOMString localName);
56 /**
57 * Retrieve elements matching all classes listed in a
58 * space-separated string.
59 */
60 nsIDOMHTMLCollection getElementsByClassName(in DOMString classes);
61
62 /**
63 * Returns a live nsIDOMNodeList of the current child elements.
64 */
65 [binaryname(ChildElements)]
66 readonly attribute nsIDOMNodeList children;
67 /**
68 * Similar as the attributes on nsIDOMNode, but navigates just elements
69 * rather than all nodes.
70 */
71 readonly attribute nsIDOMElement firstElementChild;
72 readonly attribute nsIDOMElement lastElementChild;
73 readonly attribute nsIDOMElement previousElementSibling;
74 readonly attribute nsIDOMElement nextElementSibling;
75 /**
76 * Returns the number of child nodes that are nsIDOMElements.
77 */
78 readonly attribute unsigned long childElementCount;
79
80 [binaryname(MozRemove)]
81 void remove();
82
83 // CSSOM View
84 /**
85 * Retrieve a list of rectangles, one for each CSS border-box associated with
86 * the element. The coordinates are in CSS pixels, and relative to
87 * the top-left of the document's viewport, unless the document
88 * has an SVG foreignobject ancestor, in which case the coordinates are
89 * relative to the top-left of the content box of the nearest SVG foreignobject
90 * ancestor. The coordinates are calculated as if every scrollable element
91 * is scrolled to its default position.
92 *
93 * Note: the boxes of overflowing children do not affect these rectangles.
94 * Note: some elements have empty CSS boxes. Those return empty rectangles,
95 * but the coordinates may still be meaningful.
96 * Note: some elements have no CSS boxes (including display:none elements,
97 * HTML AREA elements, and SVG elements that do not render). Those return
98 * an empty list.
99 */
100 nsIDOMClientRectList getClientRects();
101
102 /**
103 * Returns the union of all rectangles in the getClientRects() list. Empty
104 * rectangles are ignored, except that if all rectangles are empty,
105 * we return an empty rectangle positioned at the top-left of the first
106 * rectangle in getClientRects().
107 */
108 nsIDOMClientRect getBoundingClientRect();
109
110 /**
111 * The vertical scroll position of the element, or 0 if the element is not
112 * scrollable. This property may be assigned a value to change the
113 * vertical scroll position.
114 */
115 attribute long scrollTop;
116
117 /**
118 * The horizontal scroll position of the element, or 0 if the element is not
119 * scrollable. This property may be assigned a value to change the
120 * horizontal scroll position.
121 */
122 attribute long scrollLeft;
123
124 /**
125 * The width of the scrollable area of the element. If the element is not
126 * scrollable, scrollWidth is equivalent to the offsetWidth.
127 */
128 readonly attribute long scrollWidth;
129
130 /**
131 * The height of the scrollable area of the element. If the element is not
132 * scrollable, scrollHeight is equivalent to the offsetHeight.
133 */
134 readonly attribute long scrollHeight;
135
136 /**
137 * The height in CSS pixels of the element's top border.
138 */
139 readonly attribute long clientTop;
140
141 /**
142 * The width in CSS pixels of the element's left border and scrollbar
143 * if it is present on the left side.
144 */
145 readonly attribute long clientLeft;
146
147 /**
148 * The height in CSS pixels of the element's padding box. If the element is
149 * scrollable, the scroll bars are included inside this width.
150 */
151 readonly attribute long clientWidth;
152
153 /**
154 * The width in CSS pixels of the element's padding box. If the element is
155 * scrollable, the scroll bars are included inside this height.
156 */
157 readonly attribute long clientHeight;
158
159 /* The maximum offset that the element can be scrolled to
160 (i.e., the value that scrollLeft/scrollTop would be clamped to if they were
161 set to arbitrarily large values. */
162 readonly attribute long scrollLeftMax;
163 readonly attribute long scrollTopMax;
164
165
166 // Selectors API
167 /**
168 * Returns whether this element would be selected by the given selector
169 * string.
170 *
171 * See <http://dev.w3.org/2006/webapi/selectors-api2/#matchesselector>
172 */
173 boolean mozMatchesSelector([Null(Stringify)] in DOMString selector);
174
175
176 // Proprietary extensions
177 /**
178 * Set this during a mousedown event to grab and retarget all mouse events
179 * to this element until the mouse button is released or releaseCapture is
180 * called. If retargetToElement is true, then all events are targetted at
181 * this element. If false, events can also fire at descendants of this
182 * element.
183 *
184 */
185 void setCapture([optional] in boolean retargetToElement);
186
187 /**
188 * If this element has captured the mouse, release the capture. If another
189 * element has captured the mouse, this method has no effect.
190 */
191 void releaseCapture();
192
193 // Mozilla extensions
194 /**
195 * Requests that this element be made the full-screen element, as per the DOM
196 * full-screen api.
197 *
198 * @see <https://wiki.mozilla.org/index.php?title=Gecko:FullScreenAPI>
199 */
200 void mozRequestFullScreen();
201
202 /**
203 * Requests that this element be made the pointer-locked element, as per the DOM
204 * pointer lock api.
205 *
206 * @see <http://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html>
207 */
208 void mozRequestPointerLock();
209
210 /**
211 * Return nodes that match a given CSS selector.
212 *
213 * @see <http://dev.w3.org/2006/webapi/selectors-api/>
214 */
215 nsIDOMElement querySelector([Null(Stringify)] in DOMString selectors);
216 nsIDOMNodeList querySelectorAll([Null(Stringify)] in DOMString selectors);
217 };

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