import{_ as t,y as e,n as i,i as s,m as o,B as n,E as d,G as r,x as a,l as c,H as l,I as m,J as h,c as p,d as u}from"./core.js";export{K as createSetFromIndex,L as isEventMulti,G as isIndexSet}from"./core.js";import"./mwc-list-item.js";const g=t=>t.hasAttribute("mwc-list-item");function f(){const t=this.itemsReadyResolver;this.itemsReady=new Promise((t=>this.itemsReadyResolver=t)),t()}class b extends n{constructor(){super(),this.mdcAdapter=null,this.mdcFoundationClass=d,this.activatable=!1,this.multi=!1,this.wrapFocus=!1,this.itemRoles=null,this.innerRole=null,this.innerAriaLabel=null,this.rootTabbable=!1,this.previousTabindex=null,this.noninteractive=!1,this.itemsReadyResolver=()=>{},this.itemsReady=Promise.resolve([]),this.items_=[];const t=function(t,e=50){let i;return function(s=!0){clearTimeout(i),i=setTimeout((()=>{t(s)}),e)}}(this.layout.bind(this));this.debouncedLayout=(e=!0)=>{f.call(this),t(e)}}async getUpdateComplete(){const t=await super.getUpdateComplete();return await this.itemsReady,t}get items(){return this.items_}updateItems(){var t;const e=null!==(t=this.assignedElements)&&void 0!==t?t:[],i=[];for(const t of e)g(t)&&(i.push(t),t._managingList=this),t.hasAttribute("divider")&&!t.hasAttribute("role")&&t.setAttribute("role","separator");this.items_=i;const s=new Set;if(this.items_.forEach(((t,e)=>{this.itemRoles?t.setAttribute("role",this.itemRoles):t.removeAttribute("role"),t.selected&&s.add(e)})),this.multi)this.select(s);else{const t=s.size?s.entries().next().value[1]:-1;this.select(t)}const o=new Event("items-updated",{bubbles:!0,composed:!0});this.dispatchEvent(o)}get selected(){const t=this.index;if(!r(t))return-1===t?null:this.items[t];const e=[];for(const i of t)e.push(this.items[i]);return e}get index(){return this.mdcFoundation?this.mdcFoundation.getSelectedIndex():-1}render(){const t=null===this.innerRole?void 0:this.innerRole,e=null===this.innerAriaLabel?void 0:this.innerAriaLabel,i=this.rootTabbable?"0":"-1";return a`
      <!-- @ts-ignore -->
      <ul
          tabindex=${i}
          role="${c(t)}"
          aria-label="${c(e)}"
          class="mdc-deprecated-list"
          @keydown=${this.onKeydown}
          @focusin=${this.onFocusIn}
          @focusout=${this.onFocusOut}
          @request-selected=${this.onRequestSelected}
          @list-item-rendered=${this.onListItemConnected}>
        <slot></slot>
        ${this.renderPlaceholder()}
      </ul>
    `}renderPlaceholder(){var t;const e=null!==(t=this.assignedElements)&&void 0!==t?t:[];return void 0!==this.emptyMessage&&0===e.length?a`
        <mwc-list-item noninteractive>${this.emptyMessage}</mwc-list-item>
      `:null}firstUpdated(){super.firstUpdated(),this.items.length||(this.mdcFoundation.setMulti(this.multi),this.layout())}onFocusIn(t){if(this.mdcFoundation&&this.mdcRoot){const e=this.getIndexOfTarget(t);this.mdcFoundation.handleFocusIn(t,e)}}onFocusOut(t){if(this.mdcFoundation&&this.mdcRoot){const e=this.getIndexOfTarget(t);this.mdcFoundation.handleFocusOut(t,e)}}onKeydown(t){if(this.mdcFoundation&&this.mdcRoot){const e=this.getIndexOfTarget(t),i=t.target,s=g(i);this.mdcFoundation.handleKeydown(t,s,e)}}onRequestSelected(t){if(this.mdcFoundation){let e=this.getIndexOfTarget(t);if(-1===e&&(this.layout(),e=this.getIndexOfTarget(t),-1===e))return;if(this.items[e].disabled)return;const i=t.detail.selected,s=t.detail.source;this.mdcFoundation.handleSingleSelection(e,"interaction"===s,i),t.stopPropagation()}}getIndexOfTarget(t){const e=this.items,i=t.composedPath();for(const t of i){let i=-1;if(l(t)&&g(t)&&(i=e.indexOf(t)),-1!==i)return i}return-1}createAdapter(){return this.mdcAdapter={getListItemCount:()=>this.mdcRoot?this.items.length:0,getFocusedElementIndex:this.getFocusedItemIndex,getAttributeForElementIndex:(t,e)=>{if(!this.mdcRoot)return"";const i=this.items[t];return i?i.getAttribute(e):""},setAttributeForElementIndex:(t,e,i)=>{if(!this.mdcRoot)return;const s=this.items[t];s&&s.setAttribute(e,i)},focusItemAtIndex:t=>{const e=this.items[t];e&&e.focus()},setTabIndexForElementIndex:(t,e)=>{const i=this.items[t];i&&(i.tabindex=e)},notifyAction:t=>{const e={bubbles:!0,composed:!0};e.detail={index:t};const i=new CustomEvent("action",e);this.dispatchEvent(i)},notifySelected:(t,e)=>{const i={bubbles:!0,composed:!0};i.detail={index:t,diff:e};const s=new CustomEvent("selected",i);this.dispatchEvent(s)},isFocusInsideList:()=>m(this),isRootFocused:()=>{const t=this.mdcRoot;return t.getRootNode().activeElement===t},setDisabledStateForElementIndex:(t,e)=>{const i=this.items[t];i&&(i.disabled=e)},getDisabledStateForElementIndex:t=>{const e=this.items[t];return!!e&&e.disabled},setSelectedStateForElementIndex:(t,e)=>{const i=this.items[t];i&&(i.selected=e)},getSelectedStateForElementIndex:t=>{const e=this.items[t];return!!e&&e.selected},setActivatedStateForElementIndex:(t,e)=>{const i=this.items[t];i&&(i.activated=e)}},this.mdcAdapter}selectUi(t,e=!1){const i=this.items[t];i&&(i.selected=!0,i.activated=e)}deselectUi(t){const e=this.items[t];e&&(e.selected=!1,e.activated=!1)}select(t){this.mdcFoundation&&this.mdcFoundation.setSelectedIndex(t)}toggle(t,e){this.multi&&this.mdcFoundation.toggleMultiAtIndex(t,e)}onListItemConnected(t){const e=t.target;this.layout(-1===this.items.indexOf(e))}layout(t=!0){t&&this.updateItems();const e=this.items[0];for(const t of this.items)t.tabindex=-1;e&&(this.noninteractive?this.previousTabindex||(this.previousTabindex=e):e.tabindex=0),this.itemsReadyResolver()}getFocusedItemIndex(){if(!this.mdcRoot)return-1;if(!this.items.length)return-1;const t=h();if(!t.length)return-1;for(let e=t.length-1;e>=0;e--){const i=t[e];if(g(i))return this.items.indexOf(i)}return-1}focusItemAtIndex(t){for(const t of this.items)if(0===t.tabindex){t.tabindex=-1;break}this.items[t].tabindex=0,this.items[t].focus()}focus(){const t=this.mdcRoot;t&&t.focus()}blur(){const t=this.mdcRoot;t&&t.blur()}}t([i({type:String})],b.prototype,"emptyMessage",void 0),t([s(".mdc-deprecated-list")],b.prototype,"mdcRoot",void 0),t([e("",!0,"*")],b.prototype,"assignedElements",void 0),t([e("",!0,'[tabindex="0"]')],b.prototype,"tabbableElements",void 0),t([i({type:Boolean}),o((function(t){this.mdcFoundation&&this.mdcFoundation.setUseActivatedClass(t)}))],b.prototype,"activatable",void 0),t([i({type:Boolean}),o((function(t,e){this.mdcFoundation&&this.mdcFoundation.setMulti(t),void 0!==e&&this.layout()}))],b.prototype,"multi",void 0),t([i({type:Boolean}),o((function(t){this.mdcFoundation&&this.mdcFoundation.setWrapFocus(t)}))],b.prototype,"wrapFocus",void 0),t([i({type:String}),o((function(t,e){void 0!==e&&this.updateItems()}))],b.prototype,"itemRoles",void 0),t([i({type:String})],b.prototype,"innerRole",void 0),t([i({type:String})],b.prototype,"innerAriaLabel",void 0),t([i({type:Boolean})],b.prototype,"rootTabbable",void 0),t([i({type:Boolean,reflect:!0}),o((function(t){var e,i;if(t){const t=null!==(i=null===(e=this.tabbableElements)||void 0===e?void 0:e[0])&&void 0!==i?i:null;this.previousTabindex=t,t&&t.setAttribute("tabindex","-1")}else!t&&this.previousTabindex&&(this.previousTabindex.setAttribute("tabindex","0"),this.previousTabindex=null)}))],b.prototype,"noninteractive",void 0);const v=p`@keyframes mdc-ripple-fg-radius-in{from{animation-timing-function:cubic-bezier(0.4, 0, 0.2, 1);transform:translate(var(--mdc-ripple-fg-translate-start, 0)) scale(1)}to{transform:translate(var(--mdc-ripple-fg-translate-end, 0)) scale(var(--mdc-ripple-fg-scale, 1))}}@keyframes mdc-ripple-fg-opacity-in{from{animation-timing-function:linear;opacity:0}to{opacity:var(--mdc-ripple-fg-opacity, 0)}}@keyframes mdc-ripple-fg-opacity-out{from{animation-timing-function:linear;opacity:var(--mdc-ripple-fg-opacity, 0)}to{opacity:0}}:host{display:block}.mdc-deprecated-list{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;font-family:Roboto, sans-serif;font-family:var(--mdc-typography-subtitle1-font-family, var(--mdc-typography-font-family, Roboto, sans-serif));font-size:1rem;font-size:var(--mdc-typography-subtitle1-font-size, 1rem);line-height:1.75rem;line-height:var(--mdc-typography-subtitle1-line-height, 1.75rem);font-weight:400;font-weight:var(--mdc-typography-subtitle1-font-weight, 400);letter-spacing:0.009375em;letter-spacing:var(--mdc-typography-subtitle1-letter-spacing, 0.009375em);text-decoration:inherit;text-decoration:var(--mdc-typography-subtitle1-text-decoration, inherit);text-transform:inherit;text-transform:var(--mdc-typography-subtitle1-text-transform, inherit);line-height:1.5rem;margin:0;padding:8px 0;list-style-type:none;color:rgba(0, 0, 0, 0.87);color:var(--mdc-theme-text-primary-on-background, rgba(0, 0, 0, 0.87));padding:var(--mdc-list-vertical-padding, 8px) 0}.mdc-deprecated-list:focus{outline:none}.mdc-deprecated-list-item{height:48px}.mdc-deprecated-list--dense{padding-top:4px;padding-bottom:4px;font-size:.812rem}.mdc-deprecated-list ::slotted([divider]){height:0;margin:0;border:none;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:var(--mdc-deprecated-list-divider-color, rgba(0, 0, 0, 0.12))}.mdc-deprecated-list ::slotted([divider][padded]){margin:0 var(--mdc-list-side-padding, 16px)}.mdc-deprecated-list ::slotted([divider][inset]){margin-left:var(--mdc-list-inset-margin, 72px);margin-right:0;width:calc( 100% - var(--mdc-list-inset-margin, 72px) )}[dir=rtl] .mdc-deprecated-list ::slotted([divider][inset]),.mdc-deprecated-list ::slotted([divider][inset][dir=rtl]){margin-left:0;margin-right:var(--mdc-list-inset-margin, 72px)}.mdc-deprecated-list ::slotted([divider][inset][padded]){width:calc( 100% - var(--mdc-list-inset-margin, 72px) - var(--mdc-list-side-padding, 16px) )}.mdc-deprecated-list--dense ::slotted([mwc-list-item]){height:40px}.mdc-deprecated-list--dense ::slotted([mwc-list]){--mdc-list-item-graphic-size: 20px}.mdc-deprecated-list--two-line.mdc-deprecated-list--dense ::slotted([mwc-list-item]),.mdc-deprecated-list--avatar-list.mdc-deprecated-list--dense ::slotted([mwc-list-item]){height:60px}.mdc-deprecated-list--avatar-list.mdc-deprecated-list--dense ::slotted([mwc-list]){--mdc-list-item-graphic-size: 36px}:host([noninteractive]){pointer-events:none;cursor:default}.mdc-deprecated-list--dense ::slotted(.mdc-deprecated-list-item__primary-text){display:block;margin-top:0;line-height:normal;margin-bottom:-20px}.mdc-deprecated-list--dense ::slotted(.mdc-deprecated-list-item__primary-text)::before{display:inline-block;width:0;height:24px;content:"";vertical-align:0}.mdc-deprecated-list--dense ::slotted(.mdc-deprecated-list-item__primary-text)::after{display:inline-block;width:0;height:20px;content:"";vertical-align:-20px}`;let y=class extends b{};y.styles=[v],y=t([u("mwc-list")],y);export{y as List};