From ecf52b948bcc7c9a28b5b2f93a0764868f09428e Mon Sep 17 00:00:00 2001
From: Timmy Willison <timmywillisn@gmail.com>
Date: Tue, 5 Jan 2016 20:10:06 -0500
Subject: [PATCH] CSS: fix visible/hidden for IE6/7

---
 src/css/hiddenVisibleSelectors.js | 26 ++++++++++++++++++++++----
 src/css/support.js                |  3 ++-
 2 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/src/css/hiddenVisibleSelectors.js b/src/css/hiddenVisibleSelectors.js
index 46c2cb827..899b9eca4 100644
--- a/src/css/hiddenVisibleSelectors.js
+++ b/src/css/hiddenVisibleSelectors.js
@@ -5,14 +5,32 @@ define( [
 	"../css"
 ], function( jQuery, support ) {
 
+function getDisplay( elem ) {
+	return elem.style && elem.style.display || jQuery.css( elem, "display" );
+}
+
+function filterHidden( elem ) {
+	while ( elem && elem.nodeType === 1 ) {
+		if ( getDisplay( elem ) === "none" || elem.type === "hidden" ) {
+			return true;
+		}
+		elem = elem.parentNode;
+	}
+	return false;
+}
+
 jQuery.expr.filters.hidden = function( elem ) {
-	return !jQuery.expr.filters.visible( elem );
+
+	// Support: Opera <= 12.12
+	// Opera reports offsetWidths and offsetHeights less than zero on some elements
+	return support.reliableHiddenOffsets() ?
+		( elem.offsetWidth <= 0 && elem.offsetHeight <= 0 &&
+			!elem.getClientRects().length ) :
+			filterHidden( elem );
 };
 
 jQuery.expr.filters.visible = function( elem ) {
-	return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ) &&
-		( support.reliableHiddenOffsets() ||
-		( ( elem.style && elem.style.display ) || jQuery.css( elem, "display" ) ) !== "none" );
+	return !jQuery.expr.filters.hidden( elem );
 };
 
 } );
diff --git a/src/css/support.js b/src/css/support.js
index 97d6d4aa1..6ff4cb19f 100644
--- a/src/css/support.js
+++ b/src/css/support.js
@@ -159,7 +159,8 @@ define( [
 		div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
 		contents = div.getElementsByTagName( "td" );
 		contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none";
-		reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
+		reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0 &&
+			contents[ 0 ].getClientRects().length === 0;
 		if ( reliableHiddenOffsetsVal ) {
 			contents[ 0 ].style.display = "";
 			contents[ 1 ].style.display = "none";