/**
 * @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, ElementRef, Inject, NgZone, Optional } from '@angular/core';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
import { take } from 'rxjs/operators';
import { _MAT_INK_BAR_POSITIONER } from '@angular/material/tabs';
import * as i0 from "@angular/core";
/**
 * The ink-bar is used to display and animate the line underneath the current active tab label.
 * @docs-private
 * @deprecated Use `MatInkBar` from `@angular/material/tabs` instead. See https://material.angular.io/guide/mdc-migration for information about migrating.
 * @breaking-change 17.0.0
 */
export class MatLegacyInkBar {
    constructor(_elementRef, _ngZone, _inkBarPositioner, _animationMode) {
        this._elementRef = _elementRef;
        this._ngZone = _ngZone;
        this._inkBarPositioner = _inkBarPositioner;
        this._animationMode = _animationMode;
    }
    /**
     * Calculates the styles from the provided element in order to align the ink-bar to that element.
     * Shows the ink bar if previously set as hidden.
     * @param element
     */
    alignToElement(element) {
        this.show();
        // `onStable` might not run for a while if the zone has already stabilized.
        // Wrap the call in `NgZone.run` to ensure that it runs relatively soon.
        this._ngZone.run(() => {
            this._ngZone.onStable.pipe(take(1)).subscribe(() => {
                const positions = this._inkBarPositioner(element);
                const inkBar = this._elementRef.nativeElement;
                inkBar.style.left = positions.left;
                inkBar.style.width = positions.width;
            });
        });
    }
    /** Shows the ink bar. */
    show() {
        this._elementRef.nativeElement.style.visibility = 'visible';
    }
    /** Hides the ink bar. */
    hide() {
        this._elementRef.nativeElement.style.visibility = 'hidden';
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatLegacyInkBar, deps: [{ token: i0.ElementRef }, { token: i0.NgZone }, { token: _MAT_INK_BAR_POSITIONER }, { token: ANIMATION_MODULE_TYPE, optional: true }], target: i0.ɵɵFactoryTarget.Directive }); }
    static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: MatLegacyInkBar, selector: "mat-ink-bar", host: { properties: { "class._mat-animation-noopable": "_animationMode === 'NoopAnimations'" }, classAttribute: "mat-ink-bar" }, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatLegacyInkBar, decorators: [{
            type: Directive,
            args: [{
                    selector: 'mat-ink-bar',
                    host: {
                        'class': 'mat-ink-bar',
                        '[class._mat-animation-noopable]': `_animationMode === 'NoopAnimations'`,
                    },
                }]
        }], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.NgZone }, { type: undefined, decorators: [{
                    type: Inject,
                    args: [_MAT_INK_BAR_POSITIONER]
                }] }, { type: undefined, decorators: [{
                    type: Optional
                }, {
                    type: Inject,
                    args: [ANIMATION_MODULE_TYPE]
                }] }]; } });
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