/**
@license
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at
http://polymer.github.io/LICENSE.txt The complete set of authors may be found at
http://polymer.github.io/AUTHORS.txt The complete set of contributors may be
found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as
part of the polymer project is also subject to an additional IP rights grant
found at http://polymer.github.io/PATENTS.txt
*/
import"../polymer/polymer-legacy.js";import{IronA11yKeysBehavior as t}from"../iron-a11y-keys-behavior/iron-a11y-keys-behavior.js";import{Polymer as e}from"../polymer/lib/legacy/polymer-fn.js";import{dom as i}from"../polymer/lib/legacy/polymer.dom.js";import{html as n}from"../polymer/lib/utils/html-tag.js";var s={distance:function(t,e,i,n){var s=t-i,a=e-n;return Math.sqrt(s*s+a*a)},now:window.performance&&window.performance.now?window.performance.now.bind(window.performance):Date.now};function ElementMetrics(t){this.element=t,this.width=this.boundingRect.width,this.height=this.boundingRect.height,this.size=Math.max(this.width,this.height)}function Ripple(t){this.element=t,this.color=window.getComputedStyle(t).color,this.wave=document.createElement("div"),this.waveContainer=document.createElement("div"),this.wave.style.backgroundColor=this.color,this.wave.classList.add("wave"),this.waveContainer.classList.add("wave-container"),i(this.waveContainer).appendChild(this.wave),this.resetInteractionState()}ElementMetrics.prototype={get boundingRect(){return this.element.getBoundingClientRect()},furthestCornerDistanceFrom:function(t,e){var i=s.distance(t,e,0,0),n=s.distance(t,e,this.width,0),a=s.distance(t,e,0,this.height),o=s.distance(t,e,this.width,this.height);return Math.max(i,n,a,o)}},Ripple.MAX_RADIUS=300,Ripple.prototype={get recenters(){return this.element.recenters},get center(){return this.element.center},get mouseDownElapsed(){var t;return this.mouseDownStart?(t=s.now()-this.mouseDownStart,this.mouseUpStart&&(t-=this.mouseUpElapsed),t):0},get mouseUpElapsed(){return this.mouseUpStart?s.now()-this.mouseUpStart:0},get mouseDownElapsedSeconds(){return this.mouseDownElapsed/1e3},get mouseUpElapsedSeconds(){return this.mouseUpElapsed/1e3},get mouseInteractionSeconds(){return this.mouseDownElapsedSeconds+this.mouseUpElapsedSeconds},get initialOpacity(){return this.element.initialOpacity},get opacityDecayVelocity(){return this.element.opacityDecayVelocity},get radius(){var t=this.containerMetrics.width*this.containerMetrics.width,e=this.containerMetrics.height*this.containerMetrics.height,i=1.1*Math.min(Math.sqrt(t+e),Ripple.MAX_RADIUS)+5,n=1.1-i/Ripple.MAX_RADIUS*.2,s=this.mouseInteractionSeconds/n,a=i*(1-Math.pow(80,-s));return Math.abs(a)},get opacity(){return this.mouseUpStart?Math.max(0,this.initialOpacity-this.mouseUpElapsedSeconds*this.opacityDecayVelocity):this.initialOpacity},get outerOpacity(){var t=.3*this.mouseUpElapsedSeconds,e=this.opacity;return Math.max(0,Math.min(t,e))},get isOpacityFullyDecayed(){return this.opacity<.01&&this.radius>=Math.min(this.maxRadius,Ripple.MAX_RADIUS)},get isRestingAtMaxRadius(){return this.opacity>=this.initialOpacity&&this.radius>=Math.min(this.maxRadius,Ripple.MAX_RADIUS)},get isAnimationComplete(){return this.mouseUpStart?this.isOpacityFullyDecayed:this.isRestingAtMaxRadius},get translationFraction(){return Math.min(1,this.radius/this.containerMetrics.size*2/Math.sqrt(2))},get xNow(){return this.xEnd?this.xStart+this.translationFraction*(this.xEnd-this.xStart):this.xStart},get yNow(){return this.yEnd?this.yStart+this.translationFraction*(this.yEnd-this.yStart):this.yStart},get isMouseDown(){return this.mouseDownStart&&!this.mouseUpStart},resetInteractionState:function(){this.maxRadius=0,this.mouseDownStart=0,this.mouseUpStart=0,this.xStart=0,this.yStart=0,this.xEnd=0,this.yEnd=0,this.slideDistance=0,this.containerMetrics=new ElementMetrics(this.element)},draw:function(){var t,e,i;this.wave.style.opacity=this.opacity,t=this.radius/(this.containerMetrics.size/2),e=this.xNow-this.containerMetrics.width/2,i=this.yNow-this.containerMetrics.height/2,this.waveContainer.style.webkitTransform="translate("+e+"px, "+i+"px)",this.waveContainer.style.transform="translate3d("+e+"px, "+i+"px, 0)",this.wave.style.webkitTransform="scale("+t+","+t+")",this.wave.style.transform="scale3d("+t+","+t+",1)"},downAction:function(t){var e=this.containerMetrics.width/2,i=this.containerMetrics.height/2;this.resetInteractionState(),this.mouseDownStart=s.now(),this.center?(this.xStart=e,this.yStart=i,this.slideDistance=s.distance(this.xStart,this.yStart,this.xEnd,this.yEnd)):(this.xStart=t?t.detail.x-this.containerMetrics.boundingRect.left:this.containerMetrics.width/2,this.yStart=t?t.detail.y-this.containerMetrics.boundingRect.top:this.containerMetrics.height/2),this.recenters&&(this.xEnd=e,this.yEnd=i,this.slideDistance=s.distance(this.xStart,this.yStart,this.xEnd,this.yEnd)),this.maxRadius=this.containerMetrics.furthestCornerDistanceFrom(this.xStart,this.yStart),this.waveContainer.style.top=(this.containerMetrics.height-this.containerMetrics.size)/2+"px",this.waveContainer.style.left=(this.containerMetrics.width-this.containerMetrics.size)/2+"px",this.waveContainer.style.width=this.containerMetrics.size+"px",this.waveContainer.style.height=this.containerMetrics.size+"px"},upAction:function(t){this.isMouseDown&&(this.mouseUpStart=s.now())},remove:function(){i(i(this.waveContainer).parentNode).removeChild(this.waveContainer)}},e({_template:n`
    <style>
      :host {
        display: block;
        position: absolute;
        border-radius: inherit;
        overflow: hidden;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;

        /* See PolymerElements/paper-behaviors/issues/34. On non-Chrome browsers,
         * creating a node (with a position:absolute) in the middle of an event
         * handler "interrupts" that event handler (which happens when the
         * ripple is created on demand) */
        pointer-events: none;
      }

      :host([animating]) {
        /* This resolves a rendering issue in Chrome (as of 40) where the
           ripple is not properly clipped by its parent (which may have
           rounded corners). See: http://jsbin.com/temexa/4

           Note: We only apply this style conditionally. Otherwise, the browser
           will create a new compositing layer for every ripple element on the
           page, and that would be bad. */
        -webkit-transform: translate(0, 0);
        transform: translate3d(0, 0, 0);
      }

      #background,
      #waves,
      .wave-container,
      .wave {
        pointer-events: none;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
      }

      #background,
      .wave {
        opacity: 0;
      }

      #waves,
      .wave {
        overflow: hidden;
      }

      .wave-container,
      .wave {
        border-radius: 50%;
      }

      :host(.circle) #background,
      :host(.circle) #waves {
        border-radius: 50%;
      }

      :host(.circle) .wave-container {
        overflow: hidden;
      }
    </style>

    <div id="background"></div>
    <div id="waves"></div>
`,is:"paper-ripple",behaviors:[t],properties:{initialOpacity:{type:Number,value:.25},opacityDecayVelocity:{type:Number,value:.8},recenters:{type:Boolean,value:!1},center:{type:Boolean,value:!1},ripples:{type:Array,value:function(){return[]}},animating:{type:Boolean,readOnly:!0,reflectToAttribute:!0,value:!1},holdDown:{type:Boolean,value:!1,observer:"_holdDownChanged"},noink:{type:Boolean,value:!1},_animating:{type:Boolean},_boundAnimate:{type:Function,value:function(){return this.animate.bind(this)}}},get target(){return this.keyEventTarget},keyBindings:{"enter:keydown":"_onEnterKeydown","space:keydown":"_onSpaceKeydown","space:keyup":"_onSpaceKeyup"},attached:function(){11==i(this).parentNode.nodeType?this.keyEventTarget=i(this).getOwnerRoot().host:this.keyEventTarget=i(this).parentNode;var t=this.keyEventTarget;this.listen(t,"up","uiUpAction"),this.listen(t,"down","uiDownAction")},detached:function(){this.unlisten(this.keyEventTarget,"up","uiUpAction"),this.unlisten(this.keyEventTarget,"down","uiDownAction"),this.keyEventTarget=null},get shouldKeepAnimating(){for(var t=0;t<this.ripples.length;++t)if(!this.ripples[t].isAnimationComplete)return!0;return!1},simulatedRipple:function(){this.downAction(null),this.async((function(){this.upAction()}),1)},uiDownAction:function(t){this.noink||this.downAction(t)},downAction:function(t){this.holdDown&&this.ripples.length>0||(this.addRipple().downAction(t),this._animating||(this._animating=!0,this.animate()))},uiUpAction:function(t){this.noink||this.upAction(t)},upAction:function(t){this.holdDown||(this.ripples.forEach((function(e){e.upAction(t)})),this._animating=!0,this.animate())},onAnimationComplete:function(){this._animating=!1,this.$.background.style.backgroundColor="",this.fire("transitionend")},addRipple:function(){var t=new Ripple(this);return i(this.$.waves).appendChild(t.waveContainer),this.$.background.style.backgroundColor=t.color,this.ripples.push(t),this._setAnimating(!0),t},removeRipple:function(t){var e=this.ripples.indexOf(t);e<0||(this.ripples.splice(e,1),t.remove(),this.ripples.length||this._setAnimating(!1))},animate:function(){if(this._animating){var t,e;for(t=0;t<this.ripples.length;++t)(e=this.ripples[t]).draw(),this.$.background.style.opacity=e.outerOpacity,e.isOpacityFullyDecayed&&!e.isRestingAtMaxRadius&&this.removeRipple(e);this.shouldKeepAnimating||0!==this.ripples.length?window.requestAnimationFrame(this._boundAnimate):this.onAnimationComplete()}},animateRipple:function(){return this.animate()},_onEnterKeydown:function(){this.uiDownAction(),this.async(this.uiUpAction,1)},_onSpaceKeydown:function(){this.uiDownAction()},_onSpaceKeyup:function(){this.uiUpAction()},_holdDownChanged:function(t,e){void 0!==e&&(t?this.downAction():this.upAction())}});