/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { Directive, forwardRef } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { _MatAutocompleteTriggerBase } from '@angular/material/autocomplete';
import * as i0 from "@angular/core";
/**
 * Provider that allows the autocomplete to register as a ControlValueAccessor.
 * @docs-private
 * @deprecated Use `MAT_AUTOCOMPLETE_VALUE_ACCESSOR` from `@angular/material/autocomplete` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.
 * @breaking-change 17.0.0
 */
export const MAT_LEGACY_AUTOCOMPLETE_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => MatLegacyAutocompleteTrigger),
    multi: true,
};
/**
 * @deprecated Use `MatAutocompleteTrigger` from `@angular/material/autocomplete` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.
 * @breaking-change 17.0.0
 */
export class MatLegacyAutocompleteTrigger extends _MatAutocompleteTriggerBase {
    constructor() {
        super(...arguments);
        this._aboveClass = 'mat-autocomplete-panel-above';
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatLegacyAutocompleteTrigger, deps: null, target: i0.ɵɵFactoryTarget.Directive }); }
    static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: MatLegacyAutocompleteTrigger, selector: "input[matAutocomplete], textarea[matAutocomplete]", host: { listeners: { "focusin": "_handleFocus()", "blur": "_onTouched()", "input": "_handleInput($event)", "keydown": "_handleKeydown($event)", "click": "_handleClick()" }, properties: { "attr.autocomplete": "autocompleteAttribute", "attr.role": "autocompleteDisabled ? null : \"combobox\"", "attr.aria-autocomplete": "autocompleteDisabled ? null : \"list\"", "attr.aria-activedescendant": "(panelOpen && activeOption) ? activeOption.id : null", "attr.aria-expanded": "autocompleteDisabled ? null : panelOpen.toString()", "attr.aria-owns": "(autocompleteDisabled || !panelOpen) ? null : autocomplete?.id", "attr.aria-haspopup": "autocompleteDisabled ? null : \"listbox\"" }, classAttribute: "mat-autocomplete-trigger" }, providers: [MAT_LEGACY_AUTOCOMPLETE_VALUE_ACCESSOR], exportAs: ["matAutocompleteTrigger"], usesInheritance: true, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatLegacyAutocompleteTrigger, decorators: [{
            type: Directive,
            args: [{
                    selector: `input[matAutocomplete], textarea[matAutocomplete]`,
                    host: {
                        'class': 'mat-autocomplete-trigger',
                        '[attr.autocomplete]': 'autocompleteAttribute',
                        '[attr.role]': 'autocompleteDisabled ? null : "combobox"',
                        '[attr.aria-autocomplete]': 'autocompleteDisabled ? null : "list"',
                        '[attr.aria-activedescendant]': '(panelOpen && activeOption) ? activeOption.id : null',
                        '[attr.aria-expanded]': 'autocompleteDisabled ? null : panelOpen.toString()',
                        '[attr.aria-owns]': '(autocompleteDisabled || !panelOpen) ? null : autocomplete?.id',
                        '[attr.aria-haspopup]': 'autocompleteDisabled ? null : "listbox"',
                        // Note: we use `focusin`, as opposed to `focus`, in order to open the panel
                        // a little earlier. This avoids issues where IE delays the focusing of the input.
                        '(focusin)': '_handleFocus()',
                        '(blur)': '_onTouched()',
                        '(input)': '_handleInput($event)',
                        '(keydown)': '_handleKeydown($event)',
                        '(click)': '_handleClick()',
                    },
                    exportAs: 'matAutocompleteTrigger',
                    providers: [MAT_LEGACY_AUTOCOMPLETE_VALUE_ACCESSOR],
                }]
        }] });
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