X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Foffset.js;h=365b35aca8ec5091babf1c15a82351c1a5f81bbe;hb=a33d01a7b09f2b3b06ba273b89b77fec8d20b144;hp=7dd71343e08355e5071262cc2940fbc138bfcc15;hpb=4fa00369f00b8ee708c8962135b7aa345e3d30d0;p=jquery.git diff --git a/src/offset.js b/src/offset.js index 7dd7134..365b35a 100644 --- a/src/offset.js +++ b/src/offset.js @@ -2,24 +2,31 @@ if ( "getBoundingClientRect" in document.documentElement ) { jQuery.fn.offset = function( options ) { var elem = this[0]; - if ( !elem || !elem.ownerDocument ) { - return null; - } - if ( options ) { return this.each(function( i ) { - jQuery.offset.setOffset( this, i, options ); + jQuery.offset.setOffset( this, options, i ); }); } + if ( !elem || !elem.ownerDocument ) { + return null; + } + if ( elem === elem.ownerDocument.body ) { return jQuery.offset.bodyOffset( elem ); } - var box = elem.getBoundingClientRect(), doc = elem.ownerDocument, body = doc.body, docElem = doc.documentElement, - clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0, - top = box.top + (self.pageYOffset || jQuery.support.boxModel && docElem.scrollTop || body.scrollTop ) - clientTop, - left = box.left + (self.pageXOffset || jQuery.support.boxModel && docElem.scrollLeft || body.scrollLeft) - clientLeft; + var box = elem.getBoundingClientRect(), + doc = elem.ownerDocument, + body = doc.body, + docElem = doc.documentElement, + win = getWindow(doc), + clientTop = docElem.clientTop || body.clientTop || 0, + clientLeft = docElem.clientLeft || body.clientLeft || 0, + scrollTop = (win.pageYOffset || jQuery.support.boxModel && docElem.scrollTop || body.scrollTop ), + scrollLeft = (win.pageXOffset || jQuery.support.boxModel && docElem.scrollLeft || body.scrollLeft), + top = box.top + scrollTop - clientTop, + left = box.left + scrollLeft - clientLeft; return { top: top, left: left }; }; @@ -28,16 +35,16 @@ if ( "getBoundingClientRect" in document.documentElement ) { jQuery.fn.offset = function( options ) { var elem = this[0]; - if ( !elem || !elem.ownerDocument ) { - return null; - } - if ( options ) { return this.each(function( i ) { - jQuery.offset.setOffset( this, i, options ); + jQuery.offset.setOffset( this, options, i ); }); } + if ( !elem || !elem.ownerDocument ) { + return null; + } + if ( elem === elem.ownerDocument.body ) { return jQuery.offset.bodyOffset( elem ); } @@ -68,7 +75,8 @@ if ( "getBoundingClientRect" in document.documentElement ) { left += parseFloat( computedStyle.borderLeftWidth ) || 0; } - prevOffsetParent = offsetParent, offsetParent = elem.offsetParent; + prevOffsetParent = offsetParent; + offsetParent = elem.offsetParent; } if ( jQuery.offset.subtractsBorderForOverflowNotVisible && computedStyle.overflow !== "visible" ) { @@ -109,12 +117,16 @@ jQuery.offset = { this.doesNotAddBorder = (checkDiv.offsetTop !== 5); this.doesAddBorderForTableAndCells = (td.offsetTop === 5); - checkDiv.style.position = "fixed", checkDiv.style.top = "20px"; + checkDiv.style.position = "fixed"; + checkDiv.style.top = "20px"; + // safari subtracts parent border width here which is 5px this.supportsFixedPosition = (checkDiv.offsetTop === 20 || checkDiv.offsetTop === 15); checkDiv.style.position = checkDiv.style.top = ""; - innerDiv.style.overflow = "hidden", innerDiv.style.position = "relative"; + innerDiv.style.overflow = "hidden"; + innerDiv.style.position = "relative"; + this.subtractsBorderForOverflowNotVisible = (checkDiv.offsetTop === -5); this.doesNotIncludeMarginInBodyOffset = (body.offsetTop !== bodyMarginTop); @@ -137,7 +149,7 @@ jQuery.offset = { return { top: top, left: left }; }, - setOffset: function( elem, i, options ) { + setOffset: function( elem, options, i ) { // set position first, in-case top/left are set even on static elem if ( /static/.test( jQuery.curCSS( elem, "position" ) ) ) { elem.style.position = "relative";