ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
145 lines • 9.49 kB
JavaScript
/**
* @fileoverview added by tsickle
* Generated from: services/nz-dom-event.service.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @license
* Copyright Alibaba.com 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://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
import { Injectable, NgZone, RendererFactory2 } from '@angular/core';
import { Subject } from 'rxjs';
import { auditTime } from 'rxjs/operators';
import * as i0 from "@angular/core";
/**
* @record
*/
function Listener() { }
if (false) {
/** @type {?} */
Listener.prototype.countOfListeners;
/**
* @param {?} e
* @return {?}
*/
Listener.prototype.handler = function (e) { };
/**
* @return {?}
*/
Listener.prototype.unsubscribe = function () { };
}
export class NzDomEventService {
/**
* @param {?} ngZone
* @param {?} rendererFactory2
*/
constructor(ngZone, rendererFactory2) {
this.ngZone = ngZone;
this.rendererFactory2 = rendererFactory2;
this.resizeSource = new Subject();
this.domEventListeners = new Map();
this.renderer = this.rendererFactory2.createRenderer(null, null);
}
/**
* @return {?}
*/
registerResizeListener() {
if (!this.domEventListeners.has('resize')) {
this.domEventListeners.set('resize', {
handler: (/**
* @return {?}
*/
() => {
this.resizeSource.next();
}),
countOfListeners: 0
});
}
/** @type {?} */
const listener = (/** @type {?} */ (this.domEventListeners.get('resize')));
this.tryToStartListener(listener, 'resize');
return this.resizeSource.pipe(auditTime(16));
}
/**
* @return {?}
*/
unregisterResizeListener() {
if (!this.domEventListeners.has('resize')) {
return;
}
/** @type {?} */
const listener = (/** @type {?} */ (this.domEventListeners.get('resize')));
this.tryToStopListener(listener);
}
/**
* @private
* @param {?} l
* @param {?} name
* @return {?}
*/
tryToStartListener(l, name) {
l.countOfListeners += 1;
this.ngZone.runOutsideAngular((/**
* @return {?}
*/
() => {
if (l.countOfListeners === 1) {
l.unsubscribe = this.renderer.listen('window', name, l.handler);
}
}));
}
/**
* @private
* @param {?} l
* @return {?}
*/
tryToStopListener(l) {
l.countOfListeners -= 1;
if (l.countOfListeners === 0) {
(/** @type {?} */ (l.unsubscribe))();
l.unsubscribe = undefined;
}
}
}
NzDomEventService.decorators = [
{ type: Injectable, args: [{
providedIn: 'root'
},] }
];
/** @nocollapse */
NzDomEventService.ctorParameters = () => [
{ type: NgZone },
{ type: RendererFactory2 }
];
/** @nocollapse */ NzDomEventService.ngInjectableDef = i0.ɵɵdefineInjectable({ factory: function NzDomEventService_Factory() { return new NzDomEventService(i0.ɵɵinject(i0.NgZone), i0.ɵɵinject(i0.RendererFactory2)); }, token: NzDomEventService, providedIn: "root" });
if (false) {
/**
* @type {?}
* @private
*/
NzDomEventService.prototype.resizeSource;
/**
* @type {?}
* @private
*/
NzDomEventService.prototype.domEventListeners;
/**
* @type {?}
* @private
*/
NzDomEventService.prototype.renderer;
/**
* @type {?}
* @private
*/
NzDomEventService.prototype.ngZone;
/**
* @type {?}
* @private
*/
NzDomEventService.prototype.rendererFactory2;
}
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AgIHRoaXMubmdab25lLnJ1bk91dHNpZGVBbmd1bGFyKCgpID0+IHtcbiAgICAgIGlmIChsLmNvdW50T2ZMaXN0ZW5lcnMgPT09IDEpIHtcbiAgICAgICAgbC51bnN1YnNjcmliZSA9IHRoaXMucmVuZGVyZXIubGlzdGVuKCd3aW5kb3cnLCBuYW1lLCBsLmhhbmRsZXIpO1xuICAgICAgfVxuICAgIH0pO1xuICB9XG5cbiAgcHJpdmF0ZSB0cnlUb1N0b3BMaXN0ZW5lcihsOiBMaXN0ZW5lcik6IHZvaWQge1xuICAgIGwuY291bnRPZkxpc3RlbmVycyAtPSAxO1xuICAgIGlmIChsLmNvdW50T2ZMaXN0ZW5lcnMgPT09IDApIHtcbiAgICAgIGwudW5zdWJzY3JpYmUhKCk7XG4gICAgICBsLnVuc3Vic2NyaWJlID0gdW5kZWZpbmVkO1xuICAgIH1cbiAgfVxufVxuIl19