/**
 * @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 { Directionality } from '@angular/cdk/bidi';
import { Directive, ElementRef, NgZone, Optional } from '@angular/core';
import { ScrollDispatcher } from './scroll-dispatcher';
import { CdkVirtualScrollable, VIRTUAL_SCROLLABLE } from './virtual-scrollable';
import * as i0 from "@angular/core";
import * as i1 from "./scroll-dispatcher";
import * as i2 from "@angular/cdk/bidi";
/**
 * Provides a virtual scrollable for the element it is attached to.
 */
export class CdkVirtualScrollableElement extends CdkVirtualScrollable {
    constructor(elementRef, scrollDispatcher, ngZone, dir) {
        super(elementRef, scrollDispatcher, ngZone, dir);
    }
    measureBoundingClientRectWithScrollOffset(from) {
        return (this.getElementRef().nativeElement.getBoundingClientRect()[from] -
            this.measureScrollOffset(from));
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: CdkVirtualScrollableElement, deps: [{ token: i0.ElementRef }, { token: i1.ScrollDispatcher }, { token: i0.NgZone }, { token: i2.Directionality, optional: true }], target: i0.ɵɵFactoryTarget.Directive }); }
    static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: CdkVirtualScrollableElement, isStandalone: true, selector: "[cdkVirtualScrollingElement]", host: { classAttribute: "cdk-virtual-scrollable" }, providers: [{ provide: VIRTUAL_SCROLLABLE, useExisting: CdkVirtualScrollableElement }], usesInheritance: true, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: CdkVirtualScrollableElement, decorators: [{
            type: Directive,
            args: [{
                    selector: '[cdkVirtualScrollingElement]',
                    providers: [{ provide: VIRTUAL_SCROLLABLE, useExisting: CdkVirtualScrollableElement }],
                    standalone: true,
                    host: {
                        'class': 'cdk-virtual-scrollable',
                    },
                }]
        }], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i1.ScrollDispatcher }, { type: i0.NgZone }, { type: i2.Directionality, decorators: [{
                    type: Optional
                }] }]; } });
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