var left = 0, top = 0, elem = this[0], results;
if ( elem ) with ( jQuery.browser ) {
- var absolute = jQuery.css(elem, "position") == "absolute",
- parent = elem.parentNode,
- offsetParent = elem.offsetParent,
- doc = elem.ownerDocument,
- safari2 = safari && !absolute && parseInt(version) < 522;
+ var parent = elem.parentNode,
+ offsetChild = elem,
+ offsetParent = elem.offsetParent,
+ doc = elem.ownerDocument,
+ safari2 = safari && parseInt(version) < 522,
+ fixed = jQuery.css(elem, "position") == "fixed";
// Use getBoundingClientRect if available
if ( elem.getBoundingClientRect ) {
- box = elem.getBoundingClientRect();
+ var box = elem.getBoundingClientRect();
// Add the document scroll offsets
add(
add( offsetParent.offsetLeft, offsetParent.offsetTop );
// Mozilla and Safari > 2 does not include the border on offset parents
- // However Mozilla adds the border for table cells
- if ( mozilla && /^t[d|h]$/i.test(parent.tagName) || !safari2 )
+ // However Mozilla adds the border for table or table cells
+ if ( mozilla && !/^t(able|d|h)$/i.test(offsetParent.tagName) || safari && !safari2 )
border( offsetParent );
-
- // Safari <= 2 doubles body offsets with an absolutely positioned element or parent
- if ( safari2 && !absolute && jQuery.css(offsetParent, "position") == "absolute" )
- absolute = true;
+
+ // Add the document scroll offsets if position is fixed on any offsetParent
+ if ( !fixed && jQuery.css(offsetParent, "position") == "fixed" )
+ fixed = true;
+ // Set offsetChild to previous offsetParent unless it is the body element
+ offsetChild = /^body$/i.test(offsetParent.tagName) ? offsetChild : offsetParent;
// Get next offsetParent
offsetParent = offsetParent.offsetParent;
}
// Get parent scroll offsets
while ( parent.tagName && !/^body|html$/i.test(parent.tagName) ) {
- // Work around opera inline/table scrollLeft/Top bug
+ // Remove parent scroll UNLESS that parent is inline or a table-row to work around Opera inline/table scrollLeft/Top bug
if ( !/^inline|table-row.*$/i.test(jQuery.css(parent, "display")) )
// Subtract parent scroll offsets
add( -parent.scrollLeft, -parent.scrollTop );
parent = parent.parentNode;
}
- // Safari doubles body offsets with an absolutely positioned element or parent
- if ( safari2 && absolute )
- add( -doc.body.offsetLeft, -doc.body.offsetTop );
+ // Safari <= 2 doubles body offsets with a fixed position element/offsetParent or absolutely positioned offsetChild
+ // Mozilla doubles body offsets with a non-absolutely positioned offsetChild
+ if ( (safari2 && (fixed || jQuery.css(offsetChild, "position") == "absolute")) ||
+ (mozilla && jQuery.css(offsetChild, "position") != "absoltue") )
+ add( -doc.body.offsetLeft, -doc.body.offsetTop );
+
+ // Add the document scroll offsets if position is fixed
+ if ( fixed )
+ add(
+ Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft),
+ Math.max(doc.documentElement.scrollTop, doc.body.scrollTop)
+ );
}
// Return an object with top and left properties