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Use correct window reference in offset to work properly cross-frame. Fixes #6190.

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This commit is contained in:
brandonaaron 2010-02-27 19:43:23 -06:00
parent 36faab439a
commit 1d352084c4
2 changed files with 47 additions and 6 deletions
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15
src/offset.js
View File

@ -16,10 +16,17 @@ if ( "getBoundingClientRect" in document.documentElement ) {
return jQuery.offset.bodyOffset( elem ); return jQuery.offset.bodyOffset( elem );
} }
var box = elem.getBoundingClientRect(), doc = elem.ownerDocument, body = doc.body, docElem = doc.documentElement, var box = elem.getBoundingClientRect(),
clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0, doc = elem.ownerDocument,
top = box.top + (self.pageYOffset || jQuery.support.boxModel && docElem.scrollTop || body.scrollTop ) - clientTop, body = doc.body,
left = box.left + (self.pageXOffset || jQuery.support.boxModel && docElem.scrollLeft || body.scrollLeft) - clientLeft; 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 }; return { top: top, left: left };
}; };

38
test/unit/offset.js
View File

@ -1,5 +1,39 @@
module("offset"); module("offset");
testoffset("absolute"/* in iframe */, function($, iframe) {
expect(4);
var doc = iframe.document, tests;
// force a scroll value on the main window
// this insures that the results will be wrong
// if the offset method is using the scroll offset
// of the parent window
var forceScroll = jQuery('<div>', { width: 2000, height: 2000 }).appendTo('body');
window.scrollTo(1, 1);
// get offset
tests = [
{ id: '#absolute-1', top: 1, left: 1 }
];
jQuery.each( tests, function() {
equals( jQuery( this.id, doc ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" );
equals( jQuery( this.id, doc ).offset().left, this.left, "jQuery('" + this.id + "').offset().left" );
});
// get position
tests = [
{ id: '#absolute-1', top: 0, left: 0 }
];
jQuery.each( tests, function() {
equals( jQuery( this.id, doc ).position().top, this.top, "jQuery('" + this.id + "').position().top" );
equals( jQuery( this.id, doc ).position().left, this.left, "jQuery('" + this.id + "').position().left" );
});
forceScroll.remove();
});
testoffset("absolute", function( jQuery ) { testoffset("absolute", function( jQuery ) {
expect(144); expect(144);
@ -306,8 +340,8 @@ testoffset("body", function( jQuery ) {
}); });
test("Chaining offset(coords) returns jQuery object", function() { test("Chaining offset(coords) returns jQuery object", function() {
expect(2); expect(2);
var coords = { top: 1, left: 1 }; var coords = { top: 1, left: 1 };
equals( jQuery("#absolute-1").offset(coords).selector, "#absolute-1", "offset(coords) returns jQuery object" ); equals( jQuery("#absolute-1").offset(coords).selector, "#absolute-1", "offset(coords) returns jQuery object" );
equals( jQuery("#non-existent").offset(coords).selector, "#non-existent", "offset(coords) with empty jQuery set returns jQuery object" ); equals( jQuery("#non-existent").offset(coords).selector, "#non-existent", "offset(coords) with empty jQuery set returns jQuery object" );
}); });