web-animations.min.js
41.3 KB
// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
!function(a,b){b["true"]=a,function(){if(document.documentElement.animate){var a=document.documentElement.animate([],0),b=!0;if(a&&(b=!1,"play|currentTime|pause|reverse|playbackRate|cancel|finish|startTime|playState".split("|").forEach(function(c){void 0===a[c]&&(b=!0)})),!b)return}var c={},d={},e={},f=null;!function(a){function b(a){if("number"==typeof a)return a;var b={};for(var c in a)b[c]=a[c];return b}function c(){this._delay=0,this._endDelay=0,this._fill="none",this._iterationStart=0,this._iterations=1,this._duration=0,this._playbackRate=1,this._direction="normal",this._easing="linear"}function d(b,d){var e=new c;return d&&(e.fill="both",e.duration="auto"),"number"!=typeof b||isNaN(b)?void 0!==b&&Object.getOwnPropertyNames(b).forEach(function(c){if("auto"!=b[c]){if(("number"==typeof e[c]||"duration"==c)&&("number"!=typeof b[c]||isNaN(b[c])))return;if("fill"==c&&-1==s.indexOf(b[c]))return;if("direction"==c&&-1==t.indexOf(b[c]))return;if("playbackRate"==c&&1!==b[c]&&a.isDeprecated("AnimationEffectTiming.playbackRate","2014-11-28","Use Animation.playbackRate instead."))return;e[c]=b[c]}}):e.duration=b,e}function e(a){return"number"==typeof a&&(a=isNaN(a)?{duration:0}:{duration:a}),a}function f(b,c){b=a.numericTimingToObject(b);var e=d(b,c);return e._easing=i(e.easing),e}function g(a,b,c,d){return 0>a||a>1||0>c||c>1?B:function(e){function f(a,b,c){return 3*a*(1-c)*(1-c)*c+3*b*(1-c)*c*c+c*c*c}if(0==e||1==e)return e;for(var g=0,h=1;;){var i=(g+h)/2,j=f(a,c,i);if(Math.abs(e-j)<.001)return f(b,d,i);e>j?g=i:h=i}}}function h(a,b){return function(c){if(c>=1)return 1;var d=1/a;return c+=b*d,c-c%d}}function i(a){var b=z.exec(a);if(b)return g.apply(this,b.slice(1).map(Number));var c=A.exec(a);if(c)return h(Number(c[1]),{start:u,middle:v,end:w}[c[2]]);var d=x[a];return d?d:B}function j(a){return Math.abs(k(a)/a.playbackRate)}function k(a){return a.duration*a.iterations}function l(a,b,c){return null==b?C:b<c.delay?D:b>=c.delay+a?E:F}function m(a,b,c,d,e){switch(d){case D:return"backwards"==b||"both"==b?0:null;case F:return c-e;case E:return"forwards"==b||"both"==b?a:null;case C:return null}}function n(a,b,c,d){return(d.playbackRate<0?b-a:b)*d.playbackRate+c}function o(a,b,c,d,e){return 1/0===c||c===-1/0||c-d==b&&e.iterations&&(e.iterations+e.iterationStart)%1==0?a:c%a}function p(a,b,c,d){return 0===c?0:b==a?d.iterationStart+d.iterations-1:Math.floor(c/a)}function q(a,b,c,d){var e=a%2>=1,f="normal"==d.direction||d.direction==(e?"alternate-reverse":"alternate"),g=f?c:b-c,h=g/b;return b*d.easing(h)}function r(a,b,c){var d=l(a,b,c),e=m(a,c.fill,b,d,c.delay);if(null===e)return null;if(0===a)return d===D?0:1;var f=c.iterationStart*c.duration,g=n(a,e,f,c),h=o(c.duration,k(c),g,f,c),i=p(c.duration,h,g,c);return q(i,c.duration,h,c)/c.duration}var s="backwards|forwards|both|none".split("|"),t="reverse|alternate|alternate-reverse".split("|");c.prototype={_setMember:function(b,c){this["_"+b]=c,this._effect&&(this._effect._timingInput[b]=c,this._effect._timing=a.normalizeTimingInput(a.normalizeTimingInput(this._effect._timingInput)),this._effect.activeDuration=a.calculateActiveDuration(this._effect._timing),this._effect._animation&&this._effect._animation._rebuildUnderlyingAnimation())},get playbackRate(){return this._playbackRate},set delay(a){this._setMember("delay",a)},get delay(){return this._delay},set endDelay(a){this._setMember("endDelay",a)},get endDelay(){return this._endDelay},set fill(a){this._setMember("fill",a)},get fill(){return this._fill},set iterationStart(a){this._setMember("iterationStart",a)},get iterationStart(){return this._iterationStart},set duration(a){this._setMember("duration",a)},get duration(){return this._duration},set direction(a){this._setMember("direction",a)},get direction(){return this._direction},set easing(a){this._setMember("easing",a)},get easing(){return this._easing},set iterations(a){this._setMember("iterations",a)},get iterations(){return this._iterations}};var u=1,v=.5,w=0,x={ease:g(.25,.1,.25,1),"ease-in":g(.42,0,1,1),"ease-out":g(0,0,.58,1),"ease-in-out":g(.42,0,.58,1),"step-start":h(1,u),"step-middle":h(1,v),"step-end":h(1,w)},y="\\s*(-?\\d+\\.?\\d*|-?\\.\\d+)\\s*",z=new RegExp("cubic-bezier\\("+y+","+y+","+y+","+y+"\\)"),A=/steps\(\s*(\d+)\s*,\s*(start|middle|end)\s*\)/,B=function(a){return a},C=0,D=1,E=2,F=3;a.cloneTimingInput=b,a.makeTiming=d,a.numericTimingToObject=e,a.normalizeTimingInput=f,a.calculateActiveDuration=j,a.calculateTimeFraction=r,a.calculatePhase=l,a.toTimingFunction=i}(c,f),function(a){function b(a,b){return a in h?h[a][b]||b:b}function c(a,c,d){var g=e[a];if(g){f.style[a]=c;for(var h in g){var i=g[h],j=f.style[i];d[i]=b(i,j)}}else d[a]=b(a,c)}function d(b){function d(){var a=e.length;null==e[a-1].offset&&(e[a-1].offset=1),a>1&&null==e[0].offset&&(e[0].offset=0);for(var b=0,c=e[0].offset,d=1;a>d;d++){var f=e[d].offset;if(null!=f){for(var g=1;d-b>g;g++)e[b+g].offset=c+(f-c)*g/(d-b);b=d,c=f}}}if(!Array.isArray(b)&&null!==b)throw new TypeError("Keyframes must be null or an array of keyframes");if(null==b)return[];for(var e=b.map(function(b){var d={};for(var e in b){var f=b[e];if("offset"==e){if(null!=f&&(f=Number(f),!isFinite(f)))throw new TypeError("keyframe offsets must be numbers.")}else{if("composite"==e)throw{type:DOMException.NOT_SUPPORTED_ERR,name:"NotSupportedError",message:"add compositing is not supported"};f="easing"==e?a.toTimingFunction(f):""+f}c(e,f,d)}return void 0==d.offset&&(d.offset=null),void 0==d.easing&&(d.easing=a.toTimingFunction("linear")),d}),f=!0,g=-1/0,h=0;h<e.length;h++){var i=e[h].offset;if(null!=i){if(g>i)throw{code:DOMException.INVALID_MODIFICATION_ERR,name:"InvalidModificationError",message:"Keyframes are not loosely sorted by offset. Sort or specify offsets."};g=i}else f=!1}return e=e.filter(function(a){return a.offset>=0&&a.offset<=1}),f||d(),e}var e={background:["backgroundImage","backgroundPosition","backgroundSize","backgroundRepeat","backgroundAttachment","backgroundOrigin","backgroundClip","backgroundColor"],border:["borderTopColor","borderTopStyle","borderTopWidth","borderRightColor","borderRightStyle","borderRightWidth","borderBottomColor","borderBottomStyle","borderBottomWidth","borderLeftColor","borderLeftStyle","borderLeftWidth"],borderBottom:["borderBottomWidth","borderBottomStyle","borderBottomColor"],borderColor:["borderTopColor","borderRightColor","borderBottomColor","borderLeftColor"],borderLeft:["borderLeftWidth","borderLeftStyle","borderLeftColor"],borderRadius:["borderTopLeftRadius","borderTopRightRadius","borderBottomRightRadius","borderBottomLeftRadius"],borderRight:["borderRightWidth","borderRightStyle","borderRightColor"],borderTop:["borderTopWidth","borderTopStyle","borderTopColor"],borderWidth:["borderTopWidth","borderRightWidth","borderBottomWidth","borderLeftWidth"],flex:["flexGrow","flexShrink","flexBasis"],font:["fontFamily","fontSize","fontStyle","fontVariant","fontWeight","lineHeight"],margin:["marginTop","marginRight","marginBottom","marginLeft"],outline:["outlineColor","outlineStyle","outlineWidth"],padding:["paddingTop","paddingRight","paddingBottom","paddingLeft"]},f=document.createElementNS("http://www.w3.org/1999/xhtml","div"),g={thin:"1px",medium:"3px",thick:"5px"},h={borderBottomWidth:g,borderLeftWidth:g,borderRightWidth:g,borderTopWidth:g,fontSize:{"xx-small":"60%","x-small":"75%",small:"89%",medium:"100%",large:"120%","x-large":"150%","xx-large":"200%"},fontWeight:{normal:"400",bold:"700"},outlineWidth:g,textShadow:{none:"0px 0px 0px transparent"},boxShadow:{none:"0px 0px 0px 0px transparent"}};a.normalizeKeyframes=d}(c,f),function(a){var b={};a.isDeprecated=function(a,c,d,e){var f=e?"are":"is",g=new Date,h=new Date(c);return h.setMonth(h.getMonth()+3),h>g?(a in b||console.warn("Web Animations: "+a+" "+f+" deprecated and will stop working on "+h.toDateString()+". "+d),b[a]=!0,!1):!0},a.deprecated=function(b,c,d,e){var f=e?"are":"is";if(a.isDeprecated(b,c,d,e))throw new Error(b+" "+f+" no longer supported. "+d)}}(c),function(a,b){function c(a){for(var b={},c=0;c<a.length;c++)for(var d in a[c])if("offset"!=d&&"easing"!=d&&"composite"!=d){var e={offset:a[c].offset,easing:a[c].easing,value:a[c][d]};b[d]=b[d]||[],b[d].push(e)}for(var f in b){var g=b[f];if(0!=g[0].offset||1!=g[g.length-1].offset)throw{type:DOMException.NOT_SUPPORTED_ERR,name:"NotSupportedError",message:"Partial keyframes are not supported"}}return b}function d(a){var c=[];for(var d in a)for(var e=a[d],f=0;f<e.length-1;f++){var g=e[f].offset,h=e[f+1].offset,i=e[f].value,j=e[f+1].value;g==h&&(1==h?i=j:j=i),c.push({startTime:g,endTime:h,easing:e[f].easing,property:d,interpolation:b.propertyInterpolation(d,i,j)})}return c.sort(function(a,b){return a.startTime-b.startTime}),c}b.convertEffectInput=function(e){var f=a.normalizeKeyframes(e),g=c(f),h=d(g);return function(a,c){if(null!=c)h.filter(function(a){return 0>=c&&0==a.startTime||c>=1&&1==a.endTime||c>=a.startTime&&c<=a.endTime}).forEach(function(d){var e=c-d.startTime,f=d.endTime-d.startTime,g=0==f?0:d.easing(e/f);b.apply(a,d.property,d.interpolation(g))});else for(var d in g)"offset"!=d&&"easing"!=d&&"composite"!=d&&b.clear(a,d)}}}(c,d,f),function(a){function b(a,b,c){e[c]=e[c]||[],e[c].push([a,b])}function c(a,c,d){for(var e=0;e<d.length;e++){var f=d[e];b(a,c,f),/-/.test(f)&&b(a,c,f.replace(/-(.)/g,function(a,b){return b.toUpperCase()}))}}function d(b,c,d){if("initial"==c||"initial"==d){var g=b.replace(/-(.)/g,function(a,b){return b.toUpperCase()});"initial"==c&&(c=f[g]),"initial"==d&&(d=f[g])}for(var h=c==d?[]:e[b],i=0;h&&i<h.length;i++){var j=h[i][0](c),k=h[i][0](d);if(void 0!==j&&void 0!==k){var l=h[i][1](j,k);if(l){var m=a.Interpolation.apply(null,l);return function(a){return 0==a?c:1==a?d:m(a)}}}}return a.Interpolation(!1,!0,function(a){return a?d:c})}var e={};a.addPropertiesHandler=c;var f={backgroundColor:"transparent",backgroundPosition:"0% 0%",borderBottomColor:"currentColor",borderBottomLeftRadius:"0px",borderBottomRightRadius:"0px",borderBottomWidth:"3px",borderLeftColor:"currentColor",borderLeftWidth:"3px",borderRightColor:"currentColor",borderRightWidth:"3px",borderSpacing:"2px",borderTopColor:"currentColor",borderTopLeftRadius:"0px",borderTopRightRadius:"0px",borderTopWidth:"3px",bottom:"auto",clip:"rect(0px, 0px, 0px, 0px)",color:"black",fontSize:"100%",fontWeight:"400",height:"auto",left:"auto",letterSpacing:"normal",lineHeight:"120%",marginBottom:"0px",marginLeft:"0px",marginRight:"0px",marginTop:"0px",maxHeight:"none",maxWidth:"none",minHeight:"0px",minWidth:"0px",opacity:"1.0",outlineColor:"invert",outlineOffset:"0px",outlineWidth:"3px",paddingBottom:"0px",paddingLeft:"0px",paddingRight:"0px",paddingTop:"0px",right:"auto",textIndent:"0px",textShadow:"0px 0px 0px transparent",top:"auto",transform:"",verticalAlign:"0px",visibility:"visible",width:"auto",wordSpacing:"normal",zIndex:"auto"};a.propertyInterpolation=d}(d,f),function(a,b){function c(b){var c=a.calculateActiveDuration(b),d=function(d){return a.calculateTimeFraction(c,d,b)};return d._totalDuration=b.delay+c+b.endDelay,d._isCurrent=function(d){var e=a.calculatePhase(c,d,b);return e===PhaseActive||e===PhaseBefore},d}b.KeyframeEffect=function(d,e,f){var g,h=c(a.normalizeTimingInput(f)),i=b.convertEffectInput(e),j=function(){i(d,g)};return j._update=function(a){return g=h(a),null!==g},j._clear=function(){i(d,null)},j._hasSameTarget=function(a){return d===a},j._isCurrent=h._isCurrent,j._totalDuration=h._totalDuration,j},b.NullEffect=function(a){var b=function(){a&&(a(),a=null)};return b._update=function(){return null},b._totalDuration=0,b._isCurrent=function(){return!1},b._hasSameTarget=function(){return!1},b}}(c,d,f),function(a){function b(a,b,c){c.enumerable=!0,c.configurable=!0,Object.defineProperty(a,b,c)}function c(a){this._surrogateStyle=document.createElementNS("http://www.w3.org/1999/xhtml","div").style,this._style=a.style,this._length=0,this._isAnimatedProperty={};for(var b=0;b<this._style.length;b++){var c=this._style[b];this._surrogateStyle[c]=this._style[c]}this._updateIndices()}function d(a){if(!a._webAnimationsPatchedStyle){var d=new c(a);try{b(a,"style",{get:function(){return d}})}catch(e){a.style._set=function(b,c){a.style[b]=c},a.style._clear=function(b){a.style[b]=""}}a._webAnimationsPatchedStyle=a.style}}var e={cssText:1,length:1,parentRule:1},f={getPropertyCSSValue:1,getPropertyPriority:1,getPropertyValue:1,item:1,removeProperty:1,setProperty:1},g={removeProperty:1,setProperty:1};c.prototype={get cssText(){return this._surrogateStyle.cssText},set cssText(a){for(var b={},c=0;c<this._surrogateStyle.length;c++)b[this._surrogateStyle[c]]=!0;this._surrogateStyle.cssText=a,this._updateIndices();for(var c=0;c<this._surrogateStyle.length;c++)b[this._surrogateStyle[c]]=!0;for(var d in b)this._isAnimatedProperty[d]||this._style.setProperty(d,this._surrogateStyle.getPropertyValue(d))},get length(){return this._surrogateStyle.length},get parentRule(){return this._style.parentRule},_updateIndices:function(){for(;this._length<this._surrogateStyle.length;)Object.defineProperty(this,this._length,{configurable:!0,enumerable:!1,get:function(a){return function(){return this._surrogateStyle[a]}}(this._length)}),this._length++;for(;this._length>this._surrogateStyle.length;)this._length--,Object.defineProperty(this,this._length,{configurable:!0,enumerable:!1,value:void 0})},_set:function(a,b){this._style[a]=b,this._isAnimatedProperty[a]=!0},_clear:function(a){this._style[a]=this._surrogateStyle[a],delete this._isAnimatedProperty[a]}};for(var h in f)c.prototype[h]=function(a,b){return function(){var c=this._surrogateStyle[a].apply(this._surrogateStyle,arguments);return b&&(this._isAnimatedProperty[arguments[0]]||this._style[a].apply(this._style,arguments),this._updateIndices()),c}}(h,h in g);for(var i in document.documentElement.style)i in e||i in f||!function(a){b(c.prototype,a,{get:function(){return this._surrogateStyle[a]},set:function(b){this._surrogateStyle[a]=b,this._updateIndices(),this._isAnimatedProperty[a]||(this._style[a]=b)}})}(i);a.apply=function(b,c,e){d(b),b.style._set(a.propertyName(c),e)},a.clear=function(b,c){b._webAnimationsPatchedStyle&&b.style._clear(a.propertyName(c))}}(d,f),function(a){window.Element.prototype.animate=function(b,c){return a.timeline._play(a.KeyframeEffect(this,b,c))}}(d),function(a){function b(a,c,d){if("number"==typeof a&&"number"==typeof c)return a*(1-d)+c*d;if("boolean"==typeof a&&"boolean"==typeof c)return.5>d?a:c;if(a.length==c.length){for(var e=[],f=0;f<a.length;f++)e.push(b(a[f],c[f],d));return e}throw"Mismatched interpolation arguments "+a+":"+c}a.Interpolation=function(a,c,d){return function(e){return d(b(a,c,e))}}}(d,f),function(a){function b(a,b,c){return Math.max(Math.min(a,c),b)}function c(c,d,e){var f=a.dot(c,d);f=b(f,-1,1);var g=[];if(1===f)g=c;else for(var h=Math.acos(f),i=1*Math.sin(e*h)/Math.sqrt(1-f*f),j=0;4>j;j++)g.push(c[j]*(Math.cos(e*h)-f*i)+d[j]*i);return g}var d=function(){function a(a,b){for(var c=[[0,0,0,0],[0,0,0,0],[0,0,0,0],[0,0,0,0]],d=0;4>d;d++)for(var e=0;4>e;e++)for(var f=0;4>f;f++)c[d][e]+=b[d][f]*a[f][e];return c}function b(a){return 0==a[0][2]&&0==a[0][3]&&0==a[1][2]&&0==a[1][3]&&0==a[2][0]&&0==a[2][1]&&1==a[2][2]&&0==a[2][3]&&0==a[3][2]&&1==a[3][3]}function c(c,d,e,f,g){for(var h=[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]],i=0;4>i;i++)h[i][3]=g[i];for(var i=0;3>i;i++)for(var j=0;3>j;j++)h[3][i]+=c[j]*h[j][i];var k=f[0],l=f[1],m=f[2],n=f[3],o=[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]];o[0][0]=1-2*(l*l+m*m),o[0][1]=2*(k*l-m*n),o[0][2]=2*(k*m+l*n),o[1][0]=2*(k*l+m*n),o[1][1]=1-2*(k*k+m*m),o[1][2]=2*(l*m-k*n),o[2][0]=2*(k*m-l*n),o[2][1]=2*(l*m+k*n),o[2][2]=1-2*(k*k+l*l),h=a(h,o);var p=[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]];e[2]&&(p[2][1]=e[2],h=a(h,p)),e[1]&&(p[2][1]=0,p[2][0]=e[0],h=a(h,p)),e[0]&&(p[2][0]=0,p[1][0]=e[0],h=a(h,p));for(var i=0;3>i;i++)for(var j=0;3>j;j++)h[i][j]*=d[i];return b(h)?[h[0][0],h[0][1],h[1][0],h[1][1],h[3][0],h[3][1]]:h[0].concat(h[1],h[2],h[3])}return c}();a.composeMatrix=d,a.quat=c}(d,f),function(a,b){a.sequenceNumber=0;var c=function(a,b,c){this.target=a,this.currentTime=b,this.timelineTime=c,this.type="finish",this.bubbles=!1,this.cancelable=!1,this.currentTarget=a,this.defaultPrevented=!1,this.eventPhase=Event.AT_TARGET,this.timeStamp=Date.now()};b.Animation=function(b){this._sequenceNumber=a.sequenceNumber++,this._currentTime=0,this._startTime=null,this._paused=!1,this._playbackRate=1,this._inTimeline=!0,this._finishedFlag=!1,this.onfinish=null,this._finishHandlers=[],this._effect=b,this._inEffect=this._effect._update(0),this._idle=!0,this._currentTimePending=!1},b.Animation.prototype={_ensureAlive:function(){this._inEffect=this._effect._update(this.playbackRate<0&&0===this.currentTime?-1:this.currentTime),this._inTimeline||!this._inEffect&&this._finishedFlag||(this._inTimeline=!0,b.timeline._animations.push(this))},_tickCurrentTime:function(a,b){a!=this._currentTime&&(this._currentTime=a,this._isFinished&&!b&&(this._currentTime=this._playbackRate>0?this._totalDuration:0),this._ensureAlive())},get currentTime(){return this._idle||this._currentTimePending?null:this._currentTime},set currentTime(a){a=+a,isNaN(a)||(b.restart(),this._paused||null==this._startTime||(this._startTime=this._timeline.currentTime-a/this._playbackRate),this._currentTimePending=!1,this._currentTime!=a&&(this._tickCurrentTime(a,!0),b.invalidateEffects()))},get startTime(){return this._startTime},set startTime(a){a=+a,isNaN(a)||this._paused||this._idle||(this._startTime=a,this._tickCurrentTime((this._timeline.currentTime-this._startTime)*this.playbackRate),b.invalidateEffects())},get playbackRate(){return this._playbackRate},set playbackRate(a){if(a!=this._playbackRate){var b=this.currentTime;this._playbackRate=a,this._startTime=null,"paused"!=this.playState&&"idle"!=this.playState&&this.play(),null!=b&&(this.currentTime=b)}},get _isFinished(){return!this._idle&&(this._playbackRate>0&&this._currentTime>=this._totalDuration||this._playbackRate<0&&this._currentTime<=0)},get _totalDuration(){return 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