angular2
Version:
Angular 2 - a web framework for modern web apps
63 lines • 8.65 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") return Reflect.decorate(decorators, target, key, desc);
switch (arguments.length) {
case 2: return decorators.reduceRight(function(o, d) { return (d && d(o)) || o; }, target);
case 3: return decorators.reduceRight(function(o, d) { return (d && d(target, key)), void 0; }, void 0);
case 4: return decorators.reduceRight(function(o, d) { return (d && d(target, key, o)) || o; }, desc);
}
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
import { CONST_EXPR } from 'angular2/src/facade/lang';
import { BaseException } from 'angular2/src/facade/exceptions';
import { Injectable, Inject, OpaqueToken } from 'angular2/src/core/di';
import { NgZone } from 'angular2/src/core/zone/ng_zone';
import { ListWrapper } from 'angular2/src/facade/collection';
export const EVENT_MANAGER_PLUGINS = CONST_EXPR(new OpaqueToken("EventManagerPlugins"));
export let EventManager = class {
constructor(plugins, _zone) {
this._zone = _zone;
plugins.forEach(p => p.manager = this);
this._plugins = ListWrapper.reversed(plugins);
}
addEventListener(element, eventName, handler) {
var plugin = this._findPluginFor(eventName);
plugin.addEventListener(element, eventName, handler);
}
addGlobalEventListener(target, eventName, handler) {
var plugin = this._findPluginFor(eventName);
return plugin.addGlobalEventListener(target, eventName, handler);
}
getZone() { return this._zone; }
/** @internal */
_findPluginFor(eventName) {
var plugins = this._plugins;
for (var i = 0; i < plugins.length; i++) {
var plugin = plugins[i];
if (plugin.supports(eventName)) {
return plugin;
}
}
throw new BaseException(`No event manager plugin found for event ${eventName}`);
}
};
EventManager = __decorate([
Injectable(),
__param(0, Inject(EVENT_MANAGER_PLUGINS)),
__metadata('design:paramtypes', [Array, NgZone])
], EventManager);
export class EventManagerPlugin {
// That is equivalent to having supporting $event.target
supports(eventName) { return false; }
addEventListener(element, eventName, handler) {
throw "not implemented";
}
addGlobalEventListener(element, eventName, handler) {
throw "not implemented";
}
}
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