source: trip-planner-front/node_modules/@angular/cdk/a11y/key-manager/activedescendant-key-manager.d.ts

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

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1/**
2 * @license
3 * Copyright Google LLC All Rights Reserved.
4 *
5 * Use of this source code is governed by an MIT-style license that can be
6 * found in the LICENSE file at https://angular.io/license
7 */
8import { ListKeyManager, ListKeyManagerOption } from './list-key-manager';
9/**
10 * This is the interface for highlightable items (used by the ActiveDescendantKeyManager).
11 * Each item must know how to style itself as active or inactive and whether or not it is
12 * currently disabled.
13 */
14export interface Highlightable extends ListKeyManagerOption {
15 /** Applies the styles for an active item to this item. */
16 setActiveStyles(): void;
17 /** Applies the styles for an inactive item to this item. */
18 setInactiveStyles(): void;
19}
20export declare class ActiveDescendantKeyManager<T> extends ListKeyManager<Highlightable & T> {
21 /**
22 * Sets the active item to the item at the specified index and adds the
23 * active styles to the newly active item. Also removes active styles
24 * from the previously active item.
25 * @param index Index of the item to be set as active.
26 */
27 setActiveItem(index: number): void;
28 /**
29 * Sets the active item to the item to the specified one and adds the
30 * active styles to the it. Also removes active styles from the
31 * previously active item.
32 * @param item Item to be set as active.
33 */
34 setActiveItem(item: T): void;
35}
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