src/ZKEACMS.WebHost/wwwroot/lib/smooth-scrollbar/dist/plugins/overscroll.js

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!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e(require("smooth-scrollbar")):"function"==typeof define&&define.amd?define(["smooth-scrollbar"],e):"object"==typeof exports?exports.OverscrollPlugin=e(require("smooth-scrollbar")):t.OverscrollPlugin=e(t.Scrollbar)}(this,function(t){return function(t){function e(r){if(o[r])return o[r].exports;var n=o[r]={i:r,l:!1,exports:{}};return t[r].call(n.exports,n,n.exports,e),n.l=!0,n.exports}var o={};return e.m=t,e.c=o,e.d=function(t,o,r){e.o(t,o)||Object.defineProperty(t,o,{configurable:!1,enumerable:!0,get:r})},e.n=function(t){var o=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(o,"a",o),o},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s=0)}([function(t,e,o){t.exports=o(1)},function(t,e,o){"use strict";function r(t,e){function o(){this.constructor=t}_(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)}function n(t,e,o){return 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function",V=Math.max,Z=Math.min,tt=p,et=o(4),ot=["webkit","moz","ms","o"],rt=new RegExp("^-(?!(?:"+ot.join("|")+")-)"),nt=function(){function t(t){this._scrollbar=t}return t.prototype.render=function(t){var e=t.x,o=void 0===e?0:e,r=t.y,n=void 0===r?0:r,i=this._scrollbar,s=i.size,c=i.track,l=i.offset;if(v(i.contentEl,{"-transform":"translate3d("+-(l.x+o)+"px, "+-(l.y+n)+"px, 0)"}),o){c.xAxis.show();var a=s.container.width/(s.container.width+Math.abs(o));v(c.xAxis.thumb.element,{"-transform":"translate3d("+c.xAxis.thumb.offset+"px, 0, 0) scale3d("+a+", 1, 1)","-transform-origin":o<0?"left":"right"})}if(n){c.yAxis.show();var a=s.container.height/(s.container.height+Math.abs(n));v(c.yAxis.thumb.element,{"-transform":"translate3d(0, "+c.yAxis.thumb.offset+"px, 0) scale3d(1, "+a+", 1)","-transform-origin":n<0?"top":"bottom"})}c.autoHideOnIdle()},t}(),it=function(){function t(t){this._scrollbar=t,this._canvas=document.createElement("canvas"),this._ctx=this._canvas.getContext("2d"),v(this._canvas,{position:"absolute",top:0,left:0,width:"100%",height:"100%",display:"none"})}return t.prototype.mount=function(){this._scrollbar.containerEl.appendChild(this._canvas)},t.prototype.unmount=function(){this._canvas.parentNode&&this._canvas.parentNode.removeChild(this._canvas)},t.prototype.adjust=function(){var t=this._scrollbar.size,e=window.devicePixelRatio||1,o=t.container.width*e,r=t.container.height*e;o===this._canvas.width&&r===this._canvas.height||(this._canvas.width=o,this._canvas.height=r,this._ctx.scale(e,e))},t.prototype.recordTouch=function(t){var e=t.touches[t.touches.length-1];this._touchX=e.clientX,this._touchY=e.clientY},t.prototype.render=function(t,e){var o=t.x,r=void 0===o?0:o,n=t.y,i=void 0===n?0:n;if(!r&&!i)return void v(this._canvas,{display:"none"});v(this._canvas,{display:"block"});var s=this._scrollbar.size;this._ctx.clearRect(0,0,s.container.width,s.container.height),this._ctx.fillStyle=e,this._renderX(r),this._renderY(i)},t.prototype._getMaxOverscroll=function(){var t=this._scrollbar.options.plugins.overscroll;return t&&t.maxOverscroll?t.maxOverscroll:150},t.prototype._renderX=function(t){var e=this._scrollbar.size,o=this._getMaxOverscroll(),r=e.container,n=r.width,i=r.height,s=this._ctx;s.save(),t>0&&s.transform(-1,0,0,1,n,0);var c=H(Math.abs(t)/o,0,.75),l=H(c,0,.25)*n,a=Math.abs(t),u=this._touchY||i/2;s.globalAlpha=c,s.beginPath(),s.moveTo(0,-l),s.quadraticCurveTo(a,u,0,i+l),s.fill(),s.closePath(),s.restore()},t.prototype._renderY=function(t){var e=this._scrollbar.size,o=this._getMaxOverscroll(),r=e.container,n=r.width,i=r.height,s=this._ctx;s.save(),t>0&&s.transform(1,0,0,-1,0,i);var c=H(Math.abs(t)/o,0,.75),l=H(c,0,.25)*n,a=this._touchX||n/2,u=Math.abs(t);s.globalAlpha=c,s.beginPath(),s.moveTo(-l,0),s.quadraticCurveTo(a,u,n+l,0),s.fill(),s.closePath(),s.restore()},t}();o.d(e,"OverscrollEffect",function(){return st});var st;!function(t){t.BOUNCE="bounce",t.GLOW="glow"}(st||(st={}));var ct=/wheel|touch/,lt=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e._glow=new it(e.scrollbar),e._bounce=new nt(e.scrollbar),e._wheelScrollBack={x:!1,y:!1},e._lockWheel={x:!1,y:!1},e._touching=!1,e._amplitude={x:0,y:0},e._position={x:0,y:0},e._releaseWheel=tt(function(){e._lockWheel.x=!1,e._lockWheel.y=!1},30),e}return r(e,t),Object.defineProperty(e.prototype,"_isWheelLocked",{get:function(){return this._lockWheel.x||this._lockWheel.y},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"_enabled",{get:function(){return!!this.options.effect},enumerable:!0,configurable:!0}),e.prototype.onInit=function(){var t=this,e=t._glow,o=t.options,r=t.scrollbar,n=o.effect;Object.defineProperty(o,"effect",{get:function(){return n},set:function(t){if(!t)return void(n=void 0);if(t!==st.BOUNCE&&t!==st.GLOW)throw new TypeError("unknow overscroll effect: "+t);n=t,r.options.continuousScrolling=!1,t===st.GLOW?(e.mount(),e.adjust()):e.unmount()}}),o.effect=n},e.prototype.onUpdate=function(){this.options.effect===st.GLOW&&this._glow.adjust()},e.prototype.onRender=function(t){if(this._enabled){this.scrollbar.options.continuousScrolling&&(this.scrollbar.options.continuousScrolling=!1);var e=t.x,o=t.y;!this._amplitude.x&&this._willOverscroll("x",t.x)&&(e=0,this._absorbMomentum("x",t.x)),!this._amplitude.y&&this._willOverscroll("y",t.y)&&(o=0,this._absorbMomentum("y",t.y)),this.scrollbar.setMomentum(e,o),this._render()}},e.prototype.transformDelta=function(t,e){if(this._lastEventType=e.type,!this._enabled||!ct.test(e.type))return t;this._isWheelLocked&&/wheel/.test(e.type)&&(this._releaseWheel(),this._willOverscroll("x",t.x)&&(t.x=0),this._willOverscroll("y",t.y)&&(t.y=0));var o=t.x,r=t.y;switch(this._willOverscroll("x",t.x)&&(o=0,this._addAmplitude("x",t.x)),this._willOverscroll("y",t.y)&&(r=0,this._addAmplitude("y",t.y)),e.type){case"touchstart":case"touchmove":this._touching=!0,this._glow.recordTouch(e);break;case"touchcancel":case"touchend":this._touching=!1}return{x:o,y:r}},e.prototype._willOverscroll=function(t,e){if(!e)return!1;if(this._position[t])return!0;var o=this.scrollbar.offset[t],r=this.scrollbar.limit[t];return 0!==r&&(H(o+e,0,r)===o&&(0===o||o===r))},e.prototype._absorbMomentum=function(t,e){var o=this,r=o.options,n=o._lastEventType,i=o._amplitude;ct.test(n)&&(i[t]=H(e,-r.maxOverscroll,r.maxOverscroll))},e.prototype._addAmplitude=function(t,e){var o,r=this,n=r.options,i=r.scrollbar,s=r._amplitude,c=r._position,l=s[t],a=e*l<0;o=a?0:this._wheelScrollBack[t]?1:Math.abs(l/n.maxOverscroll);var u=l+e*(1-o);s[t]=0===i.offset[t]?H(u,-n.maxOverscroll,0):H(u,0,n.maxOverscroll),a&&(c[t]=s[t])},e.prototype._render=function(){var t=this,e=t.options,o=t._amplitude,r=t._position;if(this._enabled&&(o.x||o.y||r.x||r.y)){var n=this._nextAmp("x"),i=this._nextAmp("y");switch(o.x=n.amplitude,r.x=n.position,o.y=i.amplitude,r.y=i.position,e.effect){case st.BOUNCE:this._bounce.render(r);break;case st.GLOW:this._glow.render(r,this.options.glowColor)}"function"==typeof e.onScroll&&e.onScroll.call(this,y({},r))}},e.prototype._nextAmp=function(t){var e=this,o=e.options,r=e._amplitude,n=e._position,i=1-o.damping,s=r[t],c=n[t],l=this._touching?s:s*i|0,a=l-c,u=c+a-(a*i|0);return!this._touching&&Math.abs(u)<Math.abs(c)&&(this._wheelScrollBack[t]=!0),this._wheelScrollBack[t]&&Math.abs(u)<=1&&(this._wheelScrollBack[t]=!1,this._lockWheel[t]=!0),{amplitude:l,position:u}},e.pluginName="overscroll",e.defaultOptions={effect:st.BOUNCE,onScroll:void 0,damping:.2,maxOverscroll:150,glowColor:"#87ceeb"},e}(et.ScrollbarPlugin);e.default=lt},function(t,e,o){"use strict";(function(t){var o="object"==typeof t&&t&&t.Object===Object&&t;e.a=o}).call(e,o(3))},function(t,e){var o;o=function(){return this}();try{o=o||Function("return this")()||(0,eval)("this")}catch(t){"object"==typeof window&&(o=window)}t.exports=o},function(e,o){e.exports=t}]).default});