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37 lines
1.4 KiB
37 lines
1.4 KiB
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import { ListKeyManager, ListKeyManagerOption } from './list-key-manager';
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import { FocusOrigin } from '../focus-monitor/focus-monitor';
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/**
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* This is the interface for focusable items (used by the FocusKeyManager).
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* Each item must know how to focus itself, whether or not it is currently disabled
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* and be able to supply its label.
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*/
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export interface FocusableOption extends ListKeyManagerOption {
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/** Focuses the `FocusableOption`. */
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focus(origin?: FocusOrigin): void;
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}
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export declare class FocusKeyManager<T> extends ListKeyManager<FocusableOption & T> {
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private _origin;
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/**
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* Sets the focus origin that will be passed in to the items for any subsequent `focus` calls.
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* @param origin Focus origin to be used when focusing items.
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*/
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setFocusOrigin(origin: FocusOrigin): this;
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/**
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* Sets the active item to the item at the specified
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* index and focuses the newly active item.
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* @param index Index of the item to be set as active.
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*/
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setActiveItem(index: number): void;
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/**
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* Sets the active item to the item that is specified and focuses it.
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* @param item Item to be set as active.
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*/
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setActiveItem(item: T): void;
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}
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