/**
@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"./iron-control-state.js";import{IronA11yKeysBehavior as e}from"../iron-a11y-keys-behavior/iron-a11y-keys-behavior.js";import{dom as t}from"../polymer/lib/legacy/polymer.dom.js";export const IronButtonStateImpl={properties:{pressed:{type:Boolean,readOnly:!0,value:!1,reflectToAttribute:!0,observer:"_pressedChanged"},toggles:{type:Boolean,value:!1,reflectToAttribute:!0},active:{type:Boolean,value:!1,notify:!0,reflectToAttribute:!0},pointerDown:{type:Boolean,readOnly:!0,value:!1},receivedFocusFromKeyboard:{type:Boolean,readOnly:!0},ariaActiveAttribute:{type:String,value:"aria-pressed",observer:"_ariaActiveAttributeChanged"}},listeners:{down:"_downHandler",up:"_upHandler",tap:"_tapHandler"},observers:["_focusChanged(focused)","_activeChanged(active, ariaActiveAttribute)"],keyBindings:{"enter:keydown":"_asyncClick","space:keydown":"_spaceKeyDownHandler","space:keyup":"_spaceKeyUpHandler"},_mouseEventRe:/^mouse/,_tapHandler:function(){this.toggles?this._userActivate(!this.active):this.active=!1},_focusChanged:function(e){this._detectKeyboardFocus(e),e||this._setPressed(!1)},_detectKeyboardFocus:function(e){this._setReceivedFocusFromKeyboard(!this.pointerDown&&e)},_userActivate:function(e){this.active!==e&&(this.active=e,this.fire("change"))},_downHandler:function(e){this._setPointerDown(!0),this._setPressed(!0),this._setReceivedFocusFromKeyboard(!1)},_upHandler:function(){this._setPointerDown(!1),this._setPressed(!1)},_spaceKeyDownHandler:function(e){var i=e.detail.keyboardEvent,s=t(i).localTarget;this.isLightDescendant(s)||(i.preventDefault(),i.stopImmediatePropagation(),this._setPressed(!0))},_spaceKeyUpHandler:function(e){var i=e.detail.keyboardEvent,s=t(i).localTarget;this.isLightDescendant(s)||(this.pressed&&this._asyncClick(),this._setPressed(!1))},_asyncClick:function(){this.async((function(){this.click()}),1)},_pressedChanged:function(e){this._changedButtonState()},_ariaActiveAttributeChanged:function(e,t){t&&t!=e&&this.hasAttribute(t)&&this.removeAttribute(t)},_activeChanged:function(e,t){this.toggles?this.setAttribute(this.ariaActiveAttribute,e?"true":"false"):this.removeAttribute(this.ariaActiveAttribute),this._changedButtonState()},_controlStateChanged:function(){this.disabled?this._setPressed(!1):this._changedButtonState()},_changedButtonState:function(){this._buttonStateChanged&&this._buttonStateChanged()}};export const IronButtonState=[e,IronButtonStateImpl];