@angular/cdk
Version:
Angular Material Component Development Kit
66 lines • 4.93 kB
JavaScript
/**
* @fileoverview added by tsickle
* Generated from: src/cdk/a11y/key-manager/focus-key-manager.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @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 { ListKeyManager } from './list-key-manager';
/**
* This is the interface for focusable items (used by the FocusKeyManager).
* Each item must know how to focus itself, whether or not it is currently disabled
* and be able to supply its label.
* @record
*/
export function FocusableOption() { }
if (false) {
/**
* Focuses the `FocusableOption`.
* @param {?=} origin
* @return {?}
*/
FocusableOption.prototype.focus = function (origin) { };
}
/**
* @template T
*/
export class FocusKeyManager extends ListKeyManager {
constructor() {
super(...arguments);
this._origin = 'program';
}
/**
* Sets the focus origin that will be passed in to the items for any subsequent `focus` calls.
* @template THIS
* @this {THIS}
* @param {?} origin Focus origin to be used when focusing items.
* @return {THIS}
*/
setFocusOrigin(origin) {
(/** @type {?} */ (this))._origin = origin;
return (/** @type {?} */ (this));
}
/**
* @param {?} item
* @return {?}
*/
setActiveItem(item) {
super.setActiveItem(item);
if (this.activeItem) {
this.activeItem.focus(this._origin);
}
}
}
if (false) {
/**
* @type {?}
* @private
*/
FocusKeyManager.prototype._origin;
}
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