// 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(b,c){var d={delay:0,endDelay:0,fill:c?"both":"none",iterationStart:0,iterations:1,duration:c?"auto":0,playbackRate:1,direction:"normal",easing:"linear"};return"number"!=typeof b||isNaN(b)?void 0!==b&&Object.getOwnPropertyNames(b).forEach(function(c){if("auto"!=b[c]){if(("number"==typeof d[c]||"duration"==c)&&("number"!=typeof b[c]||isNaN(b[c])))return;if("fill"==c&&-1==q.indexOf(b[c]))return;if("direction"==c&&-1==r.indexOf(b[c]))return;if("playbackRate"==c&&1!==b[c]&&a.isDeprecated("AnimationEffectTiming.playbackRate","2014-11-28","Use Animation.playbackRate instead."))return;d[c]=b[c]}}):d.duration=b,d}function d(a,b){var d=c(a,b);return d.easing=g(d.easing),d}function e(a,b,c,d){return 0>a||a>1||0>c||c>1?z: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 f(a,b){return function(c){if(c>=1)return 1;var d=1/a;return c+=b*d,c-c%d}}function g(a){var b=x.exec(a);if(b)return e.apply(this,b.slice(1).map(Number));var c=y.exec(a);if(c)return f(Number(c[1]),{start:s,middle:t,end:u}[c[2]]);var d=v[a];return d?d:z}function h(a){return Math.abs(i(a)/a.playbackRate)}function i(a){return a.duration*a.iterations}function j(a,b,c){return null==b?A:b=c.delay+a?C:D}function k(a,b,c,d,e){switch(d){case B:return"backwards"==b||"both"==b?0:null;case D:return c-e;case C:return"forwards"==b||"both"==b?a:null;case A:return null}}function l(a,b,c,d){return(d.playbackRate<0?b-a:b)*d.playbackRate+c}function m(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 n(a,b,c,d){return 0===c?0:b==a?d.iterationStart+d.iterations-1:Math.floor(c/a)}function o(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 p(a,b,c){var d=j(a,b,c),e=k(a,c.fill,b,d,c.delay);if(null===e)return null;if(0===a)return d===B?0:1;var f=c.iterationStart*c.duration,g=l(a,e,f,c),h=m(c.duration,i(c),g,f,c),p=n(c.duration,h,g,c);return o(p,c.duration,h,c)/c.duration}var q="backwards|forwards|both|none".split("|"),r="reverse|alternate|alternate-reverse".split("|"),s=1,t=.5,u=0,v={ease:e(.25,.1,.25,1),"ease-in":e(.42,0,1,1),"ease-out":e(0,0,.58,1),"ease-in-out":e(.42,0,.58,1),"step-start":f(1,s),"step-middle":f(1,t),"step-end":f(1,u)},w="\\s*(-?\\d+\\.?\\d*|-?\\.\\d+)\\s*",x=new RegExp("cubic-bezier\\("+w+","+w+","+w+","+w+"\\)"),y=/steps\(\s*(\d+)\s*,\s*(start|middle|end)\s*\)/,z=function(a){return a},A=0,B=1,C=2,D=3;a.cloneTimingInput=b,a.makeTiming=c,a.normalizeTimingInput=d,a.calculateActiveDuration=h,a.calculateTimeFraction=p,a.calculatePhase=j,a.toTimingFunction=g}(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;hi)throw{code:DOMException.INVALID_MODIFICATION_ERR,name:"InvalidModificationError",message:"Keyframes are not loosely sorted by offset. 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