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341 lines
9.1 KiB
341 lines
9.1 KiB
/*
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YUI 3.17.2 (build 9c3c78e)
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Copyright 2014 Yahoo! Inc. All rights reserved.
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Licensed under the BSD License.
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http://yuilibrary.com/license/
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*/
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YUI.add('transition-timer', function (Y, NAME) {
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/**
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* Provides the base Transition class, for animating numeric properties.
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*
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* @module transition
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* @submodule transition-timer
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*/
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var Transition = Y.Transition;
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Y.mix(Transition.prototype, {
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_start: function() {
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if (Transition.useNative) {
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this._runNative();
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} else {
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this._runTimer();
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}
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},
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_runTimer: function() {
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var anim = this;
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anim._initAttrs();
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Transition._running[Y.stamp(anim)] = anim;
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anim._startTime = new Date();
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Transition._startTimer();
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},
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_endTimer: function() {
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var anim = this;
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delete Transition._running[Y.stamp(anim)];
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anim._startTime = null;
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},
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_runFrame: function() {
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var t = new Date() - this._startTime;
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this._runAttrs(t);
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},
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_runAttrs: function(time) {
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var anim = this,
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node = anim._node,
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config = anim._config,
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uid = Y.stamp(node),
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attrs = Transition._nodeAttrs[uid],
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customAttr = Transition.behaviors,
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done = false,
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allDone = false,
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data,
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name,
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attribute,
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setter,
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elapsed,
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delay,
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d,
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t,
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i;
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for (name in attrs) {
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if ((attribute = attrs[name]) && attribute.transition === anim) {
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d = attribute.duration;
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delay = attribute.delay;
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elapsed = (time - delay) / 1000;
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t = time;
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data = {
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type: 'propertyEnd',
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propertyName: name,
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config: config,
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elapsedTime: elapsed
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};
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setter = (i in customAttr && 'set' in customAttr[i]) ?
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customAttr[i].set : Transition.DEFAULT_SETTER;
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done = (t >= d);
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if (t > d) {
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t = d;
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}
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if (!delay || time >= delay) {
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setter(anim, name, attribute.from, attribute.to, t - delay, d - delay,
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attribute.easing, attribute.unit);
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if (done) {
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delete attrs[name];
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anim._count--;
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if (config[name] && config[name].on && config[name].on.end) {
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config[name].on.end.call(Y.one(node), data);
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}
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//node.fire('transition:propertyEnd', data);
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if (!allDone && anim._count <= 0) {
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allDone = true;
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anim._end(elapsed);
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anim._endTimer();
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}
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}
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}
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}
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}
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},
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_initAttrs: function() {
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var anim = this,
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customAttr = Transition.behaviors,
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uid = Y.stamp(anim._node),
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attrs = Transition._nodeAttrs[uid],
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attribute,
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duration,
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delay,
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easing,
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val,
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name,
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mTo,
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mFrom,
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unit, begin, end;
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for (name in attrs) {
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if ((attribute = attrs[name]) && attribute.transition === anim) {
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duration = attribute.duration * 1000;
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delay = attribute.delay * 1000;
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easing = attribute.easing;
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val = attribute.value;
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// only allow supported properties
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if (name in anim._node.style || name in Y.DOM.CUSTOM_STYLES) {
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begin = (name in customAttr && 'get' in customAttr[name]) ?
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customAttr[name].get(anim, name) : Transition.DEFAULT_GETTER(anim, name);
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mFrom = Transition.RE_UNITS.exec(begin);
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mTo = Transition.RE_UNITS.exec(val);
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begin = mFrom ? mFrom[1] : begin;
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end = mTo ? mTo[1] : val;
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unit = mTo ? mTo[2] : mFrom ? mFrom[2] : ''; // one might be zero TODO: mixed units
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if (!unit && Transition.RE_DEFAULT_UNIT.test(name)) {
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unit = Transition.DEFAULT_UNIT;
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}
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if (typeof easing === 'string') {
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if (easing.indexOf('cubic-bezier') > -1) {
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easing = easing.substring(13, easing.length - 1).split(',');
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} else if (Transition.easings[easing]) {
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easing = Transition.easings[easing];
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}
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}
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attribute.from = Number(begin);
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attribute.to = Number(end);
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attribute.unit = unit;
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attribute.easing = easing;
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attribute.duration = duration + delay;
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attribute.delay = delay;
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} else {
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delete attrs[name];
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anim._count--;
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}
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}
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}
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},
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destroy: function() {
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this.detachAll();
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this._node = null;
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}
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}, true);
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Y.mix(Y.Transition, {
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_runtimeAttrs: {},
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/*
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* Regex of properties that should use the default unit.
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*
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* @property RE_DEFAULT_UNIT
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* @static
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*/
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RE_DEFAULT_UNIT: /^width|height|top|right|bottom|left|margin.*|padding.*|border.*$/i,
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/*
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* The default unit to use with properties that pass the RE_DEFAULT_UNIT test.
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*
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* @property DEFAULT_UNIT
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* @static
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*/
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DEFAULT_UNIT: 'px',
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/*
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* Time in milliseconds passed to setInterval for frame processing
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*
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* @property intervalTime
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* @default 20
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* @static
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*/
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intervalTime: 20,
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/*
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* Bucket for custom getters and setters
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*
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* @property behaviors
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* @static
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*/
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behaviors: {
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left: {
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get: function(anim, attr) {
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return Y.DOM._getAttrOffset(anim._node, attr);
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}
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}
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},
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/*
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* The default setter to use when setting object properties.
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*
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* @property DEFAULT_SETTER
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* @static
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*/
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DEFAULT_SETTER: function(anim, att, from, to, elapsed, duration, fn, unit) {
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from = Number(from);
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to = Number(to);
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var node = anim._node,
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val = Transition.cubicBezier(fn, elapsed / duration);
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val = from + val[0] * (to - from);
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if (node) {
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if (att in node.style || att in Y.DOM.CUSTOM_STYLES) {
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unit = unit || '';
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Y.DOM.setStyle(node, att, val + unit);
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}
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} else {
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anim._end();
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}
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},
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/*
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* The default getter to use when getting object properties.
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*
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* @property DEFAULT_GETTER
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* @static
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*/
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DEFAULT_GETTER: function(anim, att) {
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var node = anim._node,
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val = '';
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if (att in node.style || att in Y.DOM.CUSTOM_STYLES) {
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val = Y.DOM.getComputedStyle(node, att);
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}
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return val;
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},
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_startTimer: function() {
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if (!Transition._timer) {
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Transition._timer = setInterval(Transition._runFrame, Transition.intervalTime);
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}
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},
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_stopTimer: function() {
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clearInterval(Transition._timer);
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Transition._timer = null;
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},
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/*
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* Called per Interval to handle each animation frame.
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* @method _runFrame
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* @private
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* @static
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*/
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_runFrame: function() {
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var done = true,
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anim;
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for (anim in Transition._running) {
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if (Transition._running[anim]._runFrame) {
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done = false;
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Transition._running[anim]._runFrame();
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}
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}
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if (done) {
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Transition._stopTimer();
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}
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},
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cubicBezier: function(p, t) {
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var x0 = 0,
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y0 = 0,
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x1 = p[0],
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y1 = p[1],
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x2 = p[2],
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y2 = p[3],
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x3 = 1,
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y3 = 0,
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A = x3 - 3 * x2 + 3 * x1 - x0,
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B = 3 * x2 - 6 * x1 + 3 * x0,
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C = 3 * x1 - 3 * x0,
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D = x0,
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E = y3 - 3 * y2 + 3 * y1 - y0,
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F = 3 * y2 - 6 * y1 + 3 * y0,
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G = 3 * y1 - 3 * y0,
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H = y0,
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x = (((A*t) + B)*t + C)*t + D,
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y = (((E*t) + F)*t + G)*t + H;
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return [x, y];
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},
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easings: {
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ease: [0.25, 0, 1, 0.25],
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linear: [0, 0, 1, 1],
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'ease-in': [0.42, 0, 1, 1],
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'ease-out': [0, 0, 0.58, 1],
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'ease-in-out': [0.42, 0, 0.58, 1]
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},
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_running: {},
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_timer: null,
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RE_UNITS: /^(-?\d*\.?\d*){1}(em|ex|px|in|cm|mm|pt|pc|%)*$/
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}, true);
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Transition.behaviors.top = Transition.behaviors.bottom = Transition.behaviors.right = Transition.behaviors.left;
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Y.Transition = Transition;
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}, '3.17.2', {"requires": ["transition"]});
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