angular-cn/modules/@angular/platform-browser/src/browser.ts

/**
 * @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 {CommonModule, PlatformLocation} from '@angular/common';
import {ApplicationModule, ExceptionHandler, NgModule, NgModuleFactory, NgModuleRef, NgZone, OpaqueToken, PLATFORM_COMMON_PROVIDERS, PLATFORM_INITIALIZER, PlatformRef, ReflectiveInjector, RootRenderer, SanitizationService, Testability, assertPlatform, corePlatform, createPlatform, createPlatformFactory, getPlatform, isDevMode} from '@angular/core';

import {wtfInit} from '../core_private';
import {AnimationDriver} from '../src/dom/animation_driver';
import {WebAnimationsDriver} from '../src/dom/web_animations_driver';

import {BrowserDomAdapter} from './browser/browser_adapter';
import {BrowserPlatformLocation} from './browser/location/browser_platform_location';
import {BrowserGetTestability} from './browser/testability';
import {ELEMENT_PROBE_PROVIDERS} from './dom/debug/ng_probe';
import {getDOM} from './dom/dom_adapter';
import {DomRootRenderer, DomRootRenderer_} from './dom/dom_renderer';
import {DOCUMENT} from './dom/dom_tokens';
import {DomEventsPlugin} from './dom/events/dom_events';
import {EVENT_MANAGER_PLUGINS, EventManager} from './dom/events/event_manager';
import {HAMMER_GESTURE_CONFIG, HammerGestureConfig, HammerGesturesPlugin} from './dom/events/hammer_gestures';
import {KeyEventsPlugin} from './dom/events/key_events';
import {DomSharedStylesHost, SharedStylesHost} from './dom/shared_styles_host';
import {isBlank} from './facade/lang';
import {DomSanitizationService, DomSanitizationServiceImpl} from './security/dom_sanitization_service';

export const INTERNAL_BROWSER_PLATFORM_PROVIDERS: Array<any /*Type | Provider | any[]*/> = [
  {provide: PLATFORM_INITIALIZER, useValue: initDomAdapter, multi: true},
  {provide: PlatformLocation, useClass: BrowserPlatformLocation}
];

/**
 * A set of providers to initialize the Angular platform in a web browser.
 *
 * Used automatically by `bootstrap`, or can be passed to `platform`.
 *
 * @deprecated Use `browserPlatform()` or create a custom platform factory via
 * `createPlatformFactory(browserPlatform, ...)`
 */
export const BROWSER_PLATFORM_PROVIDERS: Array<any /*Type | Provider | any[]*/> =
    [PLATFORM_COMMON_PROVIDERS, INTERNAL_BROWSER_PLATFORM_PROVIDERS];

/**
 * @security Replacing built-in sanitization providers exposes the application to XSS risks.
 * Attacker-controlled data introduced by an unsanitized provider could expose your
 * application to XSS risks. For more detail, see the [Security Guide](http://g.co/ng/security).
 * @experimental
 */
export const BROWSER_SANITIZATION_PROVIDERS: Array<any> = [
  {provide: SanitizationService, useExisting: DomSanitizationService},
  {provide: DomSanitizationService, useClass: DomSanitizationServiceImpl},
];

/**
 * A set of providers to initialize an Angular application in a web browser.
 *
 * Used automatically by `bootstrap`, or can be passed to {@link PlatformRef
 * PlatformRef.application}.
 *
 * @deprecated Create a module that includes `BrowserModule` instead. This is empty for backwards
 * compatibility,
 * as all of our bootstrap methods add a module implicitly, i.e. keeping this filled would add the
 * providers 2x.
 */
export const BROWSER_APP_PROVIDERS: Array<any /*Type | Provider | any[]*/> = [];

/**
 * @experimental API related to bootstrapping are still under review.
 */
export const browserPlatform =
    createPlatformFactory(corePlatform, 'browser', INTERNAL_BROWSER_PLATFORM_PROVIDERS);

export function initDomAdapter() {
  BrowserDomAdapter.makeCurrent();
  wtfInit();
  BrowserGetTestability.init();
}

export function _exceptionHandler(): ExceptionHandler {
  return new ExceptionHandler(getDOM());
}

export function _document(): any {
  return getDOM().defaultDoc();
}

export function _resolveDefaultAnimationDriver(): AnimationDriver {
  if (getDOM().supportsWebAnimation()) {
    return new WebAnimationsDriver();
  }
  return AnimationDriver.NOOP;
}

/**
 * The ng module for the browser.
 *
 * @experimental
 */
@NgModule({
  providers: [
    BROWSER_SANITIZATION_PROVIDERS,
    {provide: ExceptionHandler, useFactory: _exceptionHandler, deps: []},
    {provide: DOCUMENT, useFactory: _document, deps: []},
    {provide: EVENT_MANAGER_PLUGINS, useClass: DomEventsPlugin, multi: true},
    {provide: EVENT_MANAGER_PLUGINS, useClass: KeyEventsPlugin, multi: true},
    {provide: EVENT_MANAGER_PLUGINS, useClass: HammerGesturesPlugin, multi: true},
    {provide: HAMMER_GESTURE_CONFIG, useClass: HammerGestureConfig},
    {provide: DomRootRenderer, useClass: DomRootRenderer_},
    {provide: RootRenderer, useExisting: DomRootRenderer},
    {provide: SharedStylesHost, useExisting: DomSharedStylesHost},
    {provide: AnimationDriver, useFactory: _resolveDefaultAnimationDriver}, DomSharedStylesHost,
    Testability, EventManager, ELEMENT_PROBE_PROVIDERS
  ],
  exports: [CommonModule, ApplicationModule]
})
export class BrowserModule {
}