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Keep track of a hiding state for toggle based animations - Fixes #8685

Closes gh-1018
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gnarf committed Nov 8, 2012
1 parent 781a5c0 commit c45f6095f2d58a9fefd6bc788e50140acc7cf0c4
Showing with 54 additions and 1 deletion.
  1. +10 −1 src/effects.js
  2. +44 −0 test/unit/effects.js
@@ -234,7 +234,7 @@ jQuery.Animation = jQuery.extend( Animation, {

function defaultPrefilter( elem, props, opts ) {
/*jshint validthis:true */
var index, prop, value, length, dataShow, tween, hooks, oldfire,
var index, prop, value, length, dataShow, toggle, tween, hooks, oldfire,
anim = this,
style = elem.style,
orig = {},
@@ -308,6 +308,7 @@ function defaultPrefilter( elem, props, opts ) {
value = props[ index ];
if ( rfxtypes.exec( value ) ) {
delete props[ index ];
toggle = toggle || value === "toggle";
if ( value === ( hidden ? "hide" : "show" ) ) {
continue;
}
@@ -318,6 +319,14 @@ function defaultPrefilter( elem, props, opts ) {
length = handled.length;
if ( length ) {
dataShow = jQuery._data( elem, "fxshow" ) || jQuery._data( elem, "fxshow", {} );
if ( "hidden" in dataShow ) {
hidden = dataShow.hidden;
}

// store state if its toggle - enables .stop().toggle() to "reverse"
if ( toggle ) {
dataShow.hidden = !hidden;
}
if ( hidden ) {
jQuery( elem ).show();
} else {
@@ -1865,4 +1865,48 @@ test( "Animations with 0 duration don't ease (#12273)", 1, function() {
delete jQuery.easing.test;
});

jQuery.map([ "toggle", "slideToggle", "fadeToggle" ], function ( method ) {
// this test would look a lot better if we were using something to override
// the default timers
asyncTest( "toggle state tests: " + method + " (#8685)", function() {
function secondToggle() {
var stopped = parseFloat( element.css( check ) );
tested = false;
element[ method ]({
duration: 5000,
step: function( p, fx ) {
if ( fx.pos > 0.1 && fx.prop === check && !tested ) {
tested = true;
equal( fx.start, stopped, check + " starts at " + stopped + " where it stopped" );
equal( fx.end, original, check + " ending value is " + original );
element.stop();
}
},
always: start
});
}

var tested,
original,
check = method === "slideToggle" ? "height" : "opacity",
element = jQuery( "#foo" );

expect( 4 );

element[ method ]({
duration: 5000,
step: function( p, fx ) {
if ( fx.pos > 0.1 && fx.prop === check && !tested ) {
tested = true;
original = fx.start;
equal( fx.start !== 0, true, check + " is starting at " + original + " on first toggle" );
equal( fx.end, 0, check + " is ending at 0 on first toggle" );
element.stop();
}
},
always: secondToggle
});
});
});

} // if ( jQuery.fx )

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