VLEX/BPM-UI/node_modules/@ng-bootstrap/ng-bootstrap/esm2015/util/accessibility/live.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { Injectable, Inject, InjectionToken } from '@angular/core';
import { DOCUMENT } from '@angular/common';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
/** @type {?} */
export const ARIA_LIVE_DELAY = new InjectionToken('live announcer delay', { providedIn: 'root', factory: ARIA_LIVE_DELAY_FACTORY });
/**
 * @return {?}
 */
export function ARIA_LIVE_DELAY_FACTORY() {
    return 100;
}
/**
 * @param {?} document
 * @param {?=} lazyCreate
 * @return {?}
 */
function getLiveElement(document, lazyCreate = false) {
    /** @type {?} */
    let element = (/** @type {?} */ (document.body.querySelector('#ngb-live')));
    if (element == null && lazyCreate) {
        element = document.createElement('div');
        element.setAttribute('id', 'ngb-live');
        element.setAttribute('aria-live', 'polite');
        element.setAttribute('aria-atomic', 'true');
        element.classList.add('sr-only');
        document.body.appendChild(element);
    }
    return element;
}
export class Live {
    /**
     * @param {?} _document
     * @param {?} _delay
     */
    constructor(_document, _delay) {
        this._document = _document;
        this._delay = _delay;
    }
    /**
     * @return {?}
     */
    ngOnDestroy() {
        /** @type {?} */
        const element = getLiveElement(this._document);
        if (element) {
            element.parentElement.removeChild(element);
        }
    }
    /**
     * @param {?} message
     * @return {?}
     */
    say(message) {
        /** @type {?} */
        const element = getLiveElement(this._document, true);
        /** @type {?} */
        const delay = this._delay;
        element.textContent = '';
        /** @type {?} */
        const setText = (/**
         * @return {?}
         */
        () => element.textContent = message);
        if (delay === null) {
            setText();
        }
        else {
            setTimeout(setText, delay);
        }
    }
}
Live.decorators = [
    { type: Injectable, args: [{ providedIn: 'root' },] }
];
/** @nocollapse */
Live.ctorParameters = () => [
    { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },
    { type: undefined, decorators: [{ type: Inject, args: [ARIA_LIVE_DELAY,] }] }
];
/** @nocollapse */ Live.ngInjectableDef = i0.ɵɵdefineInjectable({ factory: function Live_Factory() { return new Live(i0.ɵɵinject(i1.DOCUMENT), i0.ɵɵinject(ARIA_LIVE_DELAY)); }, token: Live, providedIn: "root" });
if (false) {
    /**
     * @type {?}
     * @private
     */
    Live.prototype._document;
    /**
     * @type {?}
     * @private
     */
    Live.prototype._delay;
}
//# sourceMappingURL=data:application/json;base64,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