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Fix #10754. Have jQuery.swap() return the value of its callback.

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mikesherov authored and dmethvin committed Dec 6, 2011
1 parent 0fcfac7 commit 2c1d2b1a4dc74c6487d9f5dd0ecafd34358163a1
Showing with 11 additions and 14 deletions.
  1. +11 −14 src/css.js
@@ -140,20 +140,23 @@ jQuery.extend({

// A method for quickly swapping in/out CSS properties to get correct calculations
swap: function( elem, options, callback ) {
var old = {};
var old = {},
ret, name;

// Remember the old values, and insert the new ones
for ( var name in options ) {
for ( name in options ) {
old[ name ] = elem.style[ name ];
elem.style[ name ] = options[ name ];
}

callback.call( elem );
ret = callback.call( elem );

// Revert the old values
for ( name in options ) {
elem.style[ name ] = old[ name ];
}

return ret;
}
});

@@ -163,18 +166,14 @@ jQuery.curCSS = jQuery.css;
jQuery.each(["height", "width"], function( i, name ) {
jQuery.cssHooks[ name ] = {
get: function( elem, computed, extra ) {
var val;

if ( computed ) {
if ( elem.offsetWidth !== 0 ) {
return getWH( elem, name, extra );
} else {
jQuery.swap( elem, cssShow, function() {
val = getWH( elem, name, extra );
return jQuery.swap( elem, cssShow, function() {
return getWH( elem, name, extra );
});
}

return val;
}
},

@@ -243,15 +242,13 @@ jQuery(function() {
get: function( elem, computed ) {
// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
// Work around by temporarily setting element display to inline-block
var ret;
jQuery.swap( elem, { "display": "inline-block" }, function() {
return jQuery.swap( elem, { "display": "inline-block" }, function() {
if ( computed ) {
ret = curCSS( elem, "margin-right", "marginRight" );
return curCSS( elem, "margin-right", "marginRight" );
} else {
ret = elem.style.marginRight;
return elem.style.marginRight;
}
});
return ret;
}
};
}

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