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perf(core): don’t use DomAdapter nor zone for regular events

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This commit is contained in:
Tobias Bosch 2016-11-03 10:23:09 -07:00 committed by vikerman
parent 9c23884da4
commit 648ce5981b
1 changed files with 17 additions and 10 deletions
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27
modules/@angular/platform-browser/src/dom/events/dom_events.ts
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@ -8,7 +8,6 @@
import {Injectable} from '@angular/core';
import {getDOM} from '../dom_adapter';
import {EventManagerPlugin} from './event_manager';
@Injectable()
@ -18,17 +17,25 @@ export class DomEventsPlugin extends EventManagerPlugin {
supports(eventName: string): boolean { return true; }
addEventListener(element: HTMLElement, eventName: string, handler: Function): Function {
var zone = this.manager.getZone();
var outsideHandler = (event: any /** TODO #9100 */) => zone.runGuarded(() => handler(event));
return this.manager.getZone().runOutsideAngular(
() => getDOM().onAndCancel(element, eventName, outsideHandler));
element.addEventListener(eventName, handler as any, false);
return () => element.removeEventListener(eventName, handler as any, false);
}
addGlobalEventListener(target: string, eventName: string, handler: Function): Function {
var element = getDOM().getGlobalEventTarget(target);
var zone = this.manager.getZone();
var outsideHandler = (event: any /** TODO #9100 */) => zone.runGuarded(() => handler(event));
return this.manager.getZone().runOutsideAngular(
() => getDOM().onAndCancel(element, eventName, outsideHandler));
let element: any;
switch (target) {
case 'window':
element = window;
break;
case 'document':
element = document;
break;
case 'body':
element = document.body;
break;
default:
throw new Error(`Unsupported event target ${target} for event ${eventName}`);
}
return this.addEventListener(element, eventName, handler);
}
}