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reduce function calls

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simplify easing resolution code
+ some code cleanup
This commit is contained in:
louisremi 2011-04-14 15:21:08 +02:00
parent 8806435a77
commit 7dc7070426
1 changed files with 62 additions and 46 deletions
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108
src/effects.js vendored
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@ -163,20 +163,33 @@ jQuery.fn.extend({
jQuery._mark( this );
}
var opt = jQuery.extend({}, optall), p,
var opt = jQuery.extend({}, optall),
isElement = this.nodeType === 1,
hidden = isElement && jQuery(this).is(":hidden"),
self = this;
self = this,
name, val, p,
easing, display, e,
parts, start, end, unit;
// will store per property easing and be used to determine when an animation is complete
opt.animatedProperties = {};
for ( p in prop ) {
var name = jQuery.camelCase( p );
// property name normalization
name = jQuery.camelCase( p );
if ( p !== name ) {
prop[ name ] = prop[ p ];
delete prop[ p ];
p = name;
}
val = prop[p];
if ( val === "hide" && hidden || val === "show" && !hidden ) {
return opt.complete.call(self);
}
if ( prop[p] === "hide" && hidden || prop[p] === "show" && !hidden ) {
return opt.complete.call(this);
}
@ -212,38 +225,41 @@ jQuery.fn.extend({
}
}
if ( jQuery.isArray( prop[p] ) ) {
// Create (if needed) and add to specialEasing
(opt.specialEasing = opt.specialEasing || {})[p] = prop[p][1];
prop[p] = prop[p][0];
// easing resolution: per property > opt.specialEasing > opt.easing > 'swing' (default)
if ( jQuery.isArray( val ) ) {
easing = val[1];
val = val[0];
} else {
easing = opt.specialEasing && opt.specialEasing[p] || opt.easing || 'swing';
}
opt.animatedProperties[p] = easing;
}
if ( opt.overflow != null ) {
this.style.overflow = "hidden";
}
opt.curAnim = jQuery.extend({}, prop);
for ( p in prop ) {
e = new jQuery.fx( self, opt, p );
jQuery.each( prop, function( name, val ) {
var e = new jQuery.fx( self, opt, name );
val = prop[p];
if ( rfxtypes.test(val) ) {
e[ val === "toggle" ? hidden ? "show" : "hide" : val ]( prop );
e[ val === "toggle" ? hidden ? "show" : "hide" : val ]();
} else {
var parts = rfxnum.exec(val),
start = e.cur();
parts = rfxnum.exec(val);
start = e.cur();
if ( parts ) {
var end = parseFloat( parts[2] ),
unit = parts[3] || ( jQuery.cssNumber[ name ] ? "" : "px" );
end = parseFloat( parts[2] );
unit = parts[3] || ( jQuery.cssNumber[ name ] ? "" : "px" );
// We need to compute starting value
if ( unit !== "px" ) {
jQuery.style( self, name, (end || 1) + unit);
jQuery.style( self, p, (end || 1) + unit);
start = ((end || 1) / e.cur()) * start;
jQuery.style( self, name, start + unit);
jQuery.style( self, p, start + unit);
}
// If a +=/-= token was provided, we're doing a relative animation
@ -257,7 +273,7 @@ jQuery.fn.extend({
e.custom( start, val, "" );
}
}
});
}
// For JS strict compliance
return true;
@ -265,19 +281,19 @@ jQuery.fn.extend({
},
stop: function( clearQueue, gotoEnd ) {
var timers = jQuery.timers;
if ( clearQueue ) {
this.queue([]);
}
this.each(function() {
var timers = jQuery.timers,
i = timers.length;
// clear marker counters if we know they won't be
if ( !gotoEnd ) {
jQuery._unmark( true, this );
}
// go in reverse order so anything added to the queue during the loop is ignored
for ( var i = timers.length - 1; i >= 0; i-- ) {
while ( i-- ) {
if ( timers[i].elem === this ) {
if (gotoEnd) {
// force the next step to be the last
@ -358,9 +374,7 @@ jQuery.extend({
this.elem = elem;
this.prop = prop;
if ( !options.orig ) {
options.orig = {};
}
options.orig = options.orig || {};
}
});
@ -454,26 +468,26 @@ jQuery.fx.prototype = {
// Each step of an animation
step: function( gotoEnd ) {
var t = fxNow || createFxNow(),
done = true;
done = true,
elem = this.elem,
options = this.options;
if ( gotoEnd || t >= this.options.duration + this.startTime ) {
if ( gotoEnd || t >= options.duration + this.startTime ) {
this.now = this.end;
this.pos = this.state = 1;
this.update();
this.options.curAnim[ this.prop ] = true;
options.animatedProperties[ this.prop ] = true;
for ( var i in this.options.curAnim ) {
if ( this.options.curAnim[i] !== true ) {
for ( var i in options.animatedProperties ) {
if ( options.animatedProperties[i] !== true ) {
done = false;
}
}
if ( done ) {
// Reset the overflow
if ( this.options.overflow != null && !jQuery.support.shrinkWrapBlocks ) {
var elem = this.elem,
options = this.options;
if ( options.overflow != null && !jQuery.support.shrinkWrapBlocks ) {
jQuery.each( [ "", "X", "Y" ], function (index, value) {
elem.style[ "overflow" + value ] = options.overflow[index];
@ -481,33 +495,35 @@ jQuery.fx.prototype = {
}
// Hide the element if the "hide" operation was done
if ( this.options.hide ) {
jQuery(this.elem).hide();
if ( options.hide ) {
jQuery(elem).hide();
}
// Reset the properties, if the item has been hidden or shown
if ( this.options.hide || this.options.show ) {
for ( var p in this.options.curAnim ) {
jQuery.style( this.elem, p, this.options.orig[p] );
if ( options.hide || options.show ) {
for ( var p in options.animatedProperties ) {
jQuery.style( elem, p, options.orig[p] );
}
}
// Execute the complete function
this.options.complete.call( this.elem );
options.complete.call( elem );
}
return false;
} else {
var n = t - this.startTime;
this.state = n / this.options.duration;
// Perform the easing function, defaults to swing
var specialEasing = this.options.specialEasing && this.options.specialEasing[this.prop];
var defaultEasing = this.options.easing || (jQuery.easing.swing ? "swing" : "linear");
this.pos = jQuery.easing[specialEasing || defaultEasing](this.state, n, 0, 1, this.options.duration);
this.now = this.start + ((this.end - this.start) * this.pos);
// classical easing cannot be used with an Infinity duration
if ( options.duration == Infinity ) {
this.now = t;
} else {
var n = t - this.startTime;
this.state = n / options.duration;
// Perform the easing function, defaults to swing
this.pos = jQuery.easing[options.animatedProperties[this.prop]](this.state, n, 0, 1, options.duration);
this.now = this.start + ((this.end - this.start) * this.pos);
}
// Perform the next step of the animation
this.update();
}