X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Foffset.js;h=bbb19c2e3126f317cea98b43acd5f0b347e4c8ca;hb=19b4ba35c4ef7528402067009c1b28898acc59d4;hp=5d283aacfac0d65ea0d1b9447a8921cc6dd04200;hpb=a44ec402771f6d622506f39073d0be260400dd21;p=jquery.git diff --git a/src/offset.js b/src/offset.js index 5d283aa..bbb19c2 100644 --- a/src/offset.js +++ b/src/offset.js @@ -1,8 +1,11 @@ (function( jQuery ) { +var rtable = /^t(?:able|d|h)$/i, + rroot = /^(?:body|html)$/i; + if ( "getBoundingClientRect" in document.documentElement ) { jQuery.fn.offset = function( options ) { - var elem = this[0]; + var elem = this[0], box; if ( options ) { return this.each(function( i ) { @@ -18,8 +21,14 @@ if ( "getBoundingClientRect" in document.documentElement ) { return jQuery.offset.bodyOffset( elem ); } - var box = elem.getBoundingClientRect(), - doc = elem.ownerDocument, + try { + box = elem.getBoundingClientRect(); + + } catch(e) { + return { top: 0, left: 0 }; + } + + var doc = elem.ownerDocument, body = doc.body, docElem = doc.documentElement, win = getWindow(doc), @@ -72,7 +81,7 @@ if ( "getBoundingClientRect" in document.documentElement ) { top += elem.offsetTop; left += elem.offsetLeft; - if ( jQuery.offset.doesNotAddBorder && !(jQuery.offset.doesAddBorderForTableAndCells && /^t(able|d|h)$/i.test(elem.nodeName)) ) { + if ( jQuery.offset.doesNotAddBorder && !(jQuery.offset.doesAddBorderForTableAndCells && rtable.test(elem.nodeName)) ) { top += parseFloat( computedStyle.borderTopWidth ) || 0; left += parseFloat( computedStyle.borderLeftWidth ) || 0; } @@ -105,7 +114,7 @@ if ( "getBoundingClientRect" in document.documentElement ) { jQuery.offset = { initialize: function() { - var body = document.body, container = document.createElement("div"), innerDiv, checkDiv, table, td, bodyMarginTop = parseFloat( jQuery.css(body, "marginTop", undefined, true) ) || 0, + var body = document.body, container = document.createElement("div"), innerDiv, checkDiv, table, td, bodyMarginTop = parseFloat( jQuery.css(body, "marginTop") ) || 0, html = "
"; jQuery.extend( container.style, { position: "absolute", top: 0, left: 0, margin: 0, border: 0, width: "1px", height: "1px", visibility: "hidden" } ); @@ -144,8 +153,8 @@ jQuery.offset = { jQuery.offset.initialize(); if ( jQuery.offset.doesNotIncludeMarginInBodyOffset ) { - top += parseFloat( jQuery.css(body, "marginTop", undefined, true) ) || 0; - left += parseFloat( jQuery.css(body, "marginLeft", undefined, true) ) || 0; + top += parseFloat( jQuery.css(body, "marginTop") ) || 0; + left += parseFloat( jQuery.css(body, "marginLeft") ) || 0; } return { top: top, left: left }; @@ -161,8 +170,8 @@ jQuery.offset = { var curElem = jQuery( elem ), curOffset = curElem.offset(), - curCSSTop = jQuery.css( elem, "top", undefined, true ), - curCSSLeft = jQuery.css( elem, "left", undefined, true ), + curCSSTop = jQuery.css( elem, "top" ), + curCSSLeft = jQuery.css( elem, "left" ), calculatePosition = (position === "absolute" && jQuery.inArray('auto', [curCSSTop, curCSSLeft]) > -1), props = {}, curPosition = {}, curTop, curLeft; @@ -207,17 +216,17 @@ jQuery.fn.extend({ // Get correct offsets offset = this.offset(), - parentOffset = /^body|html$/i.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset(); + parentOffset = rroot.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset(); // Subtract element margins // note: when an element has margin: auto the offsetLeft and marginLeft // are the same in Safari causing offset.left to incorrectly be 0 - offset.top -= parseFloat( jQuery.css(elem, "marginTop", undefined, true) ) || 0; - offset.left -= parseFloat( jQuery.css(elem, "marginLeft", undefined, true) ) || 0; + offset.top -= parseFloat( jQuery.css(elem, "marginTop") ) || 0; + offset.left -= parseFloat( jQuery.css(elem, "marginLeft") ) || 0; // Add offsetParent borders - parentOffset.top += parseFloat( jQuery.css(offsetParent[0], "borderTopWidth", undefined, true) ) || 0; - parentOffset.left += parseFloat( jQuery.css(offsetParent[0], "borderLeftWidth", undefined, true) ) || 0; + parentOffset.top += parseFloat( jQuery.css(offsetParent[0], "borderTopWidth") ) || 0; + parentOffset.left += parseFloat( jQuery.css(offsetParent[0], "borderLeftWidth") ) || 0; // Subtract the two offsets return { @@ -229,7 +238,7 @@ jQuery.fn.extend({ offsetParent: function() { return this.map(function() { var offsetParent = this.offsetParent || document.body; - while ( offsetParent && (!/^body|html$/i.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) { + while ( offsetParent && (!rroot.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) { offsetParent = offsetParent.offsetParent; } return offsetParent; @@ -277,7 +286,7 @@ jQuery.each( ["Left", "Top"], function( i, name ) { }); function getWindow( elem ) { - return ("scrollTo" in elem && elem.document) ? + return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 ? elem.defaultView || elem.parentWindow :