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Core: Better support for areas in :focusable and :tabbable selectors.…

… Partial fix for #4488 - :focusable and :tabbable are broken with jQuery 1.3.2.
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scottgonzalez committed Jul 22, 2010
1 parent 4deb824 commit fe13fbadd45b59fb67ce6b47c5aea6231596a7c7
Showing with 53 additions and 25 deletions.
  1. +11 −4 tests/unit/core/core.html
  2. +23 −15 tests/unit/core/selector.js
  3. +19 −6 ui/jquery.ui.core.js
@@ -42,6 +42,17 @@ <h2 id="qunit-userAgent"></h2>

<div id="main" style="position: absolute; top: -10000px; left: -10000px;">

<img src="images/jqueryui_32x32.png" usemap="#mymap" width="10", height="10">
<map name="mymap">
<area shape="rect" coords="0,0,1,1" id="areaCoordsNoHref">
<area shape="rect" coords="1,1,2,2" href="foo.html" id="areaCoordsHref">
<area shape="rect" coords="0,0,0,0" href="foo.html" id="areaCoordsNoSizeHref">
<area href="foo.html" id="areaNoCoordsHref">
</map>
<map name="mymap2">
<area shape="rect" coords="1,1,2,2" href="foo.html" id="areaNoImg">
</map>

<div>
<input id="visibleAncestor-inputTypeNone" />
<input type="text" id="visibleAncestor-inputTypeText" />
@@ -57,10 +68,6 @@ <h2 id="qunit-userAgent"></h2>
<object id="visibleAncestor-object">xxx</object>
<a href="#" id="visibleAncestor-anchorWithHref">anchor</a>
<a id="visibleAncestor-anchorWithoutHref">anchor</a>
<map>
<area href="#" id="visibleAncestor-areaWithHref" alt="" />
<area id="visibleAncestor-areaWithoutHref" alt="" />
</map>
<span id="visibleAncestor-span">x</span>
<div id="visibleAncestor-div">x</div>
<span id="visibleAncestor-spanWithTabindex" tabindex="1">x</span>
@@ -79,7 +79,7 @@ test("data", function() {
});

test("focusable - visible, enabled elements", function() {
expect(18);
expect(16);

isFocusable('#visibleAncestor-inputTypeNone', 'input, no type');
isFocusable('#visibleAncestor-inputTypeText', 'input, type text');
@@ -93,9 +93,6 @@ test("focusable - visible, enabled elements", function() {
isFocusable('#visibleAncestor-object', 'object');
isFocusable('#visibleAncestor-anchorWithHref', 'anchor with href');
isNotFocusable('#visibleAncestor-anchorWithoutHref', 'anchor without href');
// fails: $("map").is(":visible") and $("map").is(":hidden") both return true
isFocusable('#visibleAncestor-areaWithHref', 'area with href');
isNotFocusable('#visibleAncestor-areaWithoutHref', 'area without href');
isNotFocusable('#visibleAncestor-span', 'span');
isNotFocusable('#visibleAncestor-div', 'div');
isFocusable("#visibleAncestor-spanWithTabindex", 'span with tabindex');
@@ -159,8 +156,16 @@ test("focusable - invalid tabindex", function() {
isNotFocusable('#spanTabindex3foo', 'span, tabindex 3foo');
});

test("focusable - area elements", function() {
isNotFocusable('#areaCoordsNoHref', 'coords but no href');
isFocusable('#areaCoordsHref', 'coords and href');
isFocusable('#areaCoordsNoSizeHref', 'coords of zero px and href');
isFocusable('#areaNoCoordsHref', 'href but no coords');
isNotFocusable('#areaNoImg', 'not associated with an image');
});

test("tabbable - visible, enabled elements", function() {
expect(18);
expect(16);

isTabbable('#visibleAncestor-inputTypeNone', 'input, no type');
isTabbable('#visibleAncestor-inputTypeText', 'input, type text');
@@ -174,16 +179,13 @@ test("tabbable - visible, enabled elements", function() {
isTabbable('#visibleAncestor-object', 'object');
isTabbable('#visibleAncestor-anchorWithHref', 'anchor with href');
isNotTabbable('#visibleAncestor-anchorWithoutHref', 'anchor without href');
// fails: $("map").is(":visible") and $("map").is(":hidden") both return true
isTabbable('#visibleAncestor-areaWithHref', 'area with href');
isNotTabbable('#visibleAncestor-areaWithoutHref', 'area without href');
isNotTabbable('#visibleAncestor-span', 'span');
isNotTabbable('#visibleAncestor-div', 'div');
isTabbable("#visibleAncestor-spanWithTabindex", 'span with tabindex');
isNotTabbable("#visibleAncestor-divWithNegativeTabindex", 'div with tabindex');
});

test("Tabbable - disabled elements", function() {
test("tabbable - disabled elements", function() {
expect(9);

isNotTabbable('#disabledElement-inputTypeNone', 'input, no type');
@@ -197,25 +199,23 @@ test("Tabbable - disabled elements", function() {
isNotTabbable('#disabledElement-textarea', 'textarea');
});

test("Tabbable - hidden styles", function() {
test("tabbable - hidden styles", function() {
expect(8);

isNotTabbable('#displayNoneAncestor-input', 'input, display: none parent');
isNotTabbable('#displayNoneAncestor-span', 'span with tabindex, display: none parent');

// fails: element hidden by parent-visibility-hidden is still visible according to :visible
isNotTabbable('#visibilityHiddenAncestor-input', 'input, visibility: hidden parent');
isNotTabbable('#visibilityHiddenAncestor-span', 'span with tabindex, visibility: hidden parent');

isNotTabbable('#displayNone-input', 'input, display: none');
// fails: element hidden by parent-visibility-hidden is still visible according to :visible
isNotTabbable('#visibilityHidden-input', 'input, visibility: hidden');

isNotTabbable('#displayNone-span', 'span with tabindex, display: none');
isNotTabbable('#visibilityHidden-span', 'span with tabindex, visibility: hidden');
});

test("Tabbable - natively tabbable with various tabindex", function() {
test("tabbable - natively tabbable with various tabindex", function() {
expect(4);

isTabbable('#inputTabindex0', 'input, tabindex 0');
@@ -224,7 +224,7 @@ test("Tabbable - natively tabbable with various tabindex", function() {
isNotTabbable('#inputTabindex-50', 'input, tabindex -50');
});

test("Tabbable - not natively tabbable with various tabindex", function() {
test("tabbable - not natively tabbable with various tabindex", function() {
expect(4);

isTabbable('#spanTabindex0', 'span, tabindex 0');
@@ -233,7 +233,7 @@ test("Tabbable - not natively tabbable with various tabindex", function() {
isNotTabbable('#spanTabindex-50', 'span, tabindex -50');
});

test("Tabbable - invalid tabindex", function() {
test("tabbable - invalid tabindex", function() {
expect(4);

isTabbable('#inputTabindexfoo', 'input, tabindex foo');
@@ -242,4 +242,12 @@ test("Tabbable - invalid tabindex", function() {
isNotTabbable('#spanTabindex3foo', 'span, tabindex 3foo');
});

test("tabbable - area elements", function() {
isNotTabbable('#areaCoordsNoHref', 'coords but no href');
isTabbable('#areaCoordsHref', 'coords and href');
isTabbable('#areaCoordsNoSizeHref', 'coords of zero px and href');
isTabbable('#areaNoCoordsHref', 'href but no coords');
isNotTabbable('#areaNoImg', 'not associated with an image');
});

})(jQuery);
@@ -231,6 +231,13 @@ $.each( [ "Width", "Height" ], function( i, name ) {
});

//Additional selectors
function visible( element ) {
return !$(element).parents().andSelf().filter(function() {
return $.curCSS( this, "visibility" ) === "hidden" ||
$.expr.filters.hidden( this );
}).length;
}

$.extend($.expr[':'], {
data: function(elem, i, match) {
return !!$.data(elem, match[3]);
@@ -239,17 +246,23 @@ $.extend($.expr[':'], {
focusable: function(element) {
var nodeName = element.nodeName.toLowerCase(),
tabIndex = $.attr(element, 'tabindex');
if ( "area" === nodeName ) {
var map = element.parentNode,
mapName = map.name,
img;
if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
return false;
}
img = $( "img[usemap=#" + mapName + "]" )[0];
return !!img && visible( img );
}
return (/input|select|textarea|button|object/.test(nodeName)
? !element.disabled
: 'a' == nodeName || 'area' == nodeName
: 'a' == nodeName
? element.href || !isNaN(tabIndex)
: !isNaN(tabIndex))
// the element and all of its ancestors must be visible
// the browser may report that the area is hidden
&& !$(element).parents().andSelf().filter(function() {
return $.curCSS( this, "visibility" ) === "hidden" ||
$.expr.filters.hidden( this );
}).length;
&& visible( element );
},

tabbable: function(element) {

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