/**
@license
Copyright (c) 2015 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{IronButtonState as e,IronButtonStateImpl as t}from"../iron-behaviors/iron-button-state.js";import{IronControlState as o}from"../iron-behaviors/iron-control-state.js";import{PaperRippleBehavior as r}from"./paper-ripple-behavior.js";export const PaperButtonBehaviorImpl={properties:{elevation:{type:Number,reflectToAttribute:!0,readOnly:!0}},observers:["_calculateElevation(focused, disabled, active, pressed, receivedFocusFromKeyboard)","_computeKeyboardClass(receivedFocusFromKeyboard)"],hostAttributes:{role:"button",tabindex:"0",animated:!0},_calculateElevation:function(){var e=1;this.disabled?e=0:this.active||this.pressed?e=4:this.receivedFocusFromKeyboard&&(e=3),this._setElevation(e)},_computeKeyboardClass:function(e){this.toggleClass("keyboard-focus",e)},_spaceKeyDownHandler:function(e){t._spaceKeyDownHandler.call(this,e),this.hasRipple()&&this.getRipple().ripples.length<1&&this._ripple.uiDownAction()},_spaceKeyUpHandler:function(e){t._spaceKeyUpHandler.call(this,e),this.hasRipple()&&this._ripple.uiUpAction()}};export const PaperButtonBehavior=[e,o,r,PaperButtonBehaviorImpl];