angular-cn/packages/platform-server/src/server_events.ts

31 lines
1.0 KiB
TypeScript

/**
* @license
* Copyright Google Inc. 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 {DOCUMENT, ɵgetDOM as getDOM} from '@angular/common';
import {Inject, Injectable} from '@angular/core';
@Injectable()
export class ServerEventManagerPlugin /* extends EventManagerPlugin which is private */ {
constructor(@Inject(DOCUMENT) private doc: any) {}
// Handle all events on the server.
supports(eventName: string) { return true; }
addEventListener(element: HTMLElement, eventName: string, handler: Function): Function {
return getDOM().onAndCancel(element, eventName, handler);
}
addGlobalEventListener(element: string, eventName: string, handler: Function): Function {
const target: HTMLElement = getDOM().getGlobalEventTarget(this.doc, element);
if (!target) {
throw new Error(`Unsupported event target ${target} for event ${eventName}`);
}
return this.addEventListener(target, eventName, handler);
}
}