1.1 --- a/cssom-view/Overview.src.html Wed Jun 26 17:20:03 2013 -0700
1.2 +++ b/cssom-view/Overview.src.html Thu Jun 27 11:55:31 2013 +0200
1.3 @@ -676,23 +676,33 @@
1.4 <span>CaretPosition</span>? <span title=dom-Document-caretPositionFromPoint>caretPositionFromPoint</span>(double x, double y);
1.5 };</pre>
1.6
1.7 -<p>The <dfn title=dom-Document-elementFromPoint><code>elementFromPoint(<var>x</var>, <var>y</var>)</code></dfn> method must return the element at
1.8 -coordinates <var>x</var>,<var>y</var> in the <span>viewport</span>. The element to be returned is determined
1.9 -through hit testing. If either argument is negative, <var>x</var> is greater than the <span>viewport</span> width excluding the size of a rendered scroll
1.10 -bar (if any), or <var>y</var> is greater than the <span>viewport</span> height excluding the size of a rendered scroll bar (if any), the method must
1.11 -return null. If there is no element at the given position the method must return the root element, if any, or null otherwise. If there is no
1.12 -<span>viewport</span> associated with the document, the method must return null.</p>
1.13 +<p>The <dfn title=dom-Document-elementFromPoint><code>elementFromPoint(<var>x</var>, <var>y</var>)</code></dfn> method must follow these steps:
1.14 +
1.15 +<ol>
1.16 + <li><p>If either argument is negative, <var>x</var> is greater than the <span>viewport</span> width excluding the size of a rendered scroll bar (if any), or
1.17 + <var>y</var> is greater than the <span>viewport</span> height excluding the size of a rendered scroll bar (if any), or there is no <span>viewport</span>
1.18 + associated with the document, return null and terminate these steps.
1.19 + <li><p>If there is a <span>layout box</span> in the <span>viewport</span> that would be a target for hit testing at coordinates <var>x</var>,<var>y</var>,
1.20 + return the associated element and terminate these steps.
1.21 + <li><p>If the document has a root element, return the root element and terminate these steps.
1.22 + <li><p>Return null.
1.23 +</ol>
1.24
1.25 <p class=note>The <code title=dom-Document-elementFromPoint>elementFromPoint()</code> method does not necessarily return the top-most painted element. For
1.26 instance, an element can be excluded from being a target for hit testing by using the 'pointer-events' CSS property.
1.27
1.28 -<p class=atrisk>The <dfn title=dom-Document-elementsFromPoint><code>elementsFromPoint(<var>x</var>, <var>y</var>)</code></dfn> method must return a sequence of
1.29 -elements at coordinates <var>x</var>,<var>y</var> in the <span>viewport</span>. The sequence to be returned is sorted by paint order, with the first element as
1.30 -the topmost in the order. Elements that would not be a target for hit testing at coordinates <var>x</var>,<var>y</var> even if nothing was overlapping it must
1.31 -not be included in the list. If either argument is negative, <var>x</var> is greater than the <span>viewport</span> width excluding the size of a rendered
1.32 -scroll bar (if any), or <var>y</var> is greater than the <span>viewport</span> height excluding the size of a rendered scroll bar (if any), the method must
1.33 -return an empty sequence. If there is no element at the given position the method must return a sequence containing the root element, if any, or an empty
1.34 -sequence otherwise. If there is no <span>viewport</span> associated with the document, the method must return an empty sequence.
1.35 +<p class=atrisk>The <dfn title=dom-Document-elementsFromPoint><code>elementsFromPoint(<var>x</var>, <var>y</var>)</code></dfn> method must follow these steps:
1.36 +
1.37 +<ol>
1.38 + <li><p>Let <var>sequence</var> be a new empty sequence.
1.39 + <li><p>If either argument is negative, <var>x</var> is greater than the <span>viewport</span> width excluding the size of a rendered scroll bar (if any), or
1.40 + <var>y</var> is greater than the <span>viewport</span> height excluding the size of a rendered scroll bar (if any), or there is no <span>viewport</span>
1.41 + associated with the document, return <var>sequence</var> and terminate these steps.
1.42 + <li><p>For each <span>layout box</span> in the <span>viewport</span>, in paint order, starting with the topmost box, that would be a target for hit testing at
1.43 + coordinates <var>x</var>,<var>y</var> even if nothing would be overlapping it, append the associated element to <var>sequence</var>.
1.44 + <li><p>If the document has a root element, and the last item in <var>sequence</var> is not the root element, append the root element to <var>sequence</var>.
1.45 + <li><p>Return <var>sequence</var>.
1.46 +</ol>
1.47
1.48 <p>The <dfn title=dom-Document-caretPositionFromPoint><code>caretPositionFromPoint(<var>x</var>, <var>y</var>)</code></dfn> method must return the
1.49 result of running these steps:</p>
