fix(events): override Http Angular to fixed conflicts events

Author: ramonornela

src/module.ts

@@ -1,10 +1,12 @@
 import { ModuleWithProviders, NgModule, Optional, SkipSelf } from '@angular/core';
-import { BrowserXhr, ConnectionBackend, Http as HttpAngular, ResponseOptions, XSRFStrategy } from '@angular/http';
+import { BrowserXhr, ConnectionBackend, RequestOptions, ResponseOptions, XSRFStrategy } from '@angular/http';
 import {
   DefaultOptionsToken,
   Events,
   Http,
   HttpEvents,
+  httpFactory,
+  HttpOverride,
   HttpPluginsToken,
   ParseResponsePlugin,
   ParseResponseToken,
@@ -35,7 +37,7 @@ export class HttpModule {
           useFactory: xhrBackendFactory,
           deps: [ BrowserXhr, ResponseOptions, XSRFStrategy, HttpEvents ]
         },
-        HttpAngular,
+        { provide: HttpOverride, useFactory: httpFactory, deps: [ ConnectionBackend, RequestOptions ] },
         { provide: ThrowExceptionStatusToken, useValue: null },
         { provide: ParseResponseToken, useClass: ThrowExceptionStatus, deps: [ ThrowExceptionStatusToken ], multi: true },
         { provide: Plugins, useClass: Plugins, deps: [ HttpPluginsToken ] },

src/providers/http.ts

@@ -1,5 +1,5 @@
 import { Inject, Injectable, OpaqueToken, Optional } from '@angular/core';
-import { Http as HttpAngular, Response } from '@angular/http';
+import { Response } from '@angular/http';
 import { Config } from '@mbamobi/configuration';
 import { Request } from '@mbamobi/url-resolver';
 import 'rxjs/add/observable/defer';
@@ -10,6 +10,7 @@ import 'rxjs/add/operator/toPromise';
 import { Observable } from 'rxjs/Observable';
 import { HttpEvents } from './backend/xhr_backend';
 import { TimeoutException } from './exception';
+import { HttpOverride } from './http_override';
 import { Mapper } from './mapper';
 import { Options } from './options';
 import { Plugin, Plugins } from './plugins';
@@ -37,7 +38,7 @@ export class Http {
 
   protected requests: {[key: string]: LastRequest} = {};
 
-  constructor(protected http: HttpAngular,
+  constructor(protected http: HttpOverride,
               protected events: HttpEvents,
               protected plugins: Plugins,
               @Optional() config: Config,

src/providers/http_override.ts

@@ -0,0 +1,13 @@
+import { Injectable } from '@angular/core';
+import { ConnectionBackend, Http, RequestOptions } from '@angular/http';
+
+export function httpFactory(connectionBackend: ConnectionBackend, defaultOptions: RequestOptions) {
+  return new HttpOverride(connectionBackend, defaultOptions);
+}
+
+@Injectable()
+export class HttpOverride extends Http {
+  constructor(connectionBackend: ConnectionBackend, defaultOptions: RequestOptions) {
+    super(connectionBackend, defaultOptions);
+  }
+}

src/providers/index.ts

@@ -1,5 +1,6 @@
 export * from './backend/xhr_backend';
 export * from './http';
+export * from './http_override';
 export * from './options';
 export * from './plugins';
 export * from './mapper';