Reorganizes Chromecast code to better reflect functional dependencies.

chromecast/shell/browser/url_request_context_factory.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROMECAST_SHELL_BROWSER_URL_REQUEST_CONTEXT_FACTORY_H_
-#define CHROMECAST_SHELL_BROWSER_URL_REQUEST_CONTEXT_FACTORY_H_
-
-#include "content/public/browser/content_browser_client.h"
-#include "net/http/http_network_session.h"
-
-namespace net {
-class HttpTransactionFactory;
-class HttpUserAgentSettings;
-class ProxyConfigService;
-class URLRequestJobFactory;
-}  // namespace net
-
-namespace chromecast {
-namespace shell {
-class CastNetworkDelegate;
-
-class URLRequestContextFactory {
- public:
-  URLRequestContextFactory();
-  ~URLRequestContextFactory();
-
-  // Some members must be initialized on UI thread.
-  void InitializeOnUIThread();
-
-  // Since main context requires a bunch of input params, if these get called
-  // multiple times, either multiple main contexts should be supported/managed
-  // or the input params need to be the same as before.  So to be safe,
-  // the CreateMainGetter function currently DCHECK to make sure it is not
-  // called more than once.
-  // The media and system getters however, do not need input, so it is actually
-  // safe to call these multiple times.  The impl create only 1 getter of each
-  // type and return the same instance each time the methods are called, thus
-  // the name difference.
-  net::URLRequestContextGetter* GetSystemGetter();
-  net::URLRequestContextGetter* CreateMainGetter(
-      content::BrowserContext* browser_context,
-      content::ProtocolHandlerMap* protocol_handlers,
-      content::URLRequestInterceptorScopedVector request_interceptors);
-  net::URLRequestContextGetter* GetMainGetter();
-  net::URLRequestContextGetter* GetMediaGetter();
-
-  CastNetworkDelegate* app_network_delegate() const {
-    return app_network_delegate_.get();
-  }
-
-  // Initialize the CastNetworkDelegate objects. This needs to be done
-  // after the CastService is created, but before any URL requests are made.
-  void InitializeNetworkDelegates();
-
- private:
-  class URLRequestContextGetter;
-  class MainURLRequestContextGetter;
-  friend class URLRequestContextGetter;
-  friend class MainURLRequestContextGetter;
-
-  void InitializeSystemContextDependencies();
-  void InitializeMainContextDependencies(
-      net::HttpTransactionFactory* factory,
-      content::ProtocolHandlerMap* protocol_handlers,
-      content::URLRequestInterceptorScopedVector request_interceptors);
-  void InitializeMediaContextDependencies(net::HttpTransactionFactory* factory);
-
-  void PopulateNetworkSessionParams(bool ignore_certificate_errors,
-                                    net::HttpNetworkSession::Params* params);
-
-  // These are called by the RequestContextGetters to create each
-  // RequestContext.
-  // They must be called on the IO thread.
-  net::URLRequestContext* CreateSystemRequestContext();
-  net::URLRequestContext* CreateMediaRequestContext();
-  net::URLRequestContext* CreateMainRequestContext(
-      content::BrowserContext* browser_context,
-      content::ProtocolHandlerMap* protocol_handlers,
-      content::URLRequestInterceptorScopedVector request_interceptors);
-
-  scoped_refptr<net::URLRequestContextGetter> system_getter_;
-  scoped_refptr<net::URLRequestContextGetter> media_getter_;
-  scoped_refptr<net::URLRequestContextGetter> main_getter_;
-  scoped_ptr<CastNetworkDelegate> app_network_delegate_;
-  scoped_ptr<CastNetworkDelegate> system_network_delegate_;
-
-  // Shared objects for all contexts.
-  // The URLRequestContextStorage class is not used as owner to these objects
-  // since they are shared between the different URLRequestContexts.
-  // The URLRequestContextStorage class manages dependent resources for a single
-  // instance of URLRequestContext only.
-  bool system_dependencies_initialized_;
-  scoped_ptr<net::HostResolver> host_resolver_;
-  scoped_ptr<net::ChannelIDService> channel_id_service_;
-  scoped_ptr<net::CertVerifier> cert_verifier_;
-  scoped_refptr<net::SSLConfigService> ssl_config_service_;
-  scoped_ptr<net::TransportSecurityState> transport_security_state_;
-  scoped_ptr<net::ProxyConfigService> proxy_config_service_;
-  scoped_ptr<net::ProxyService> proxy_service_;
-  scoped_ptr<net::HttpAuthHandlerFactory> http_auth_handler_factory_;
-  scoped_ptr<net::HttpServerProperties> http_server_properties_;
-  scoped_ptr<net::HttpUserAgentSettings> http_user_agent_settings_;
-  scoped_ptr<net::HttpTransactionFactory> system_transaction_factory_;
-  scoped_ptr<net::URLRequestJobFactory> system_job_factory_;
-
-  bool main_dependencies_initialized_;
-  scoped_ptr<net::HttpTransactionFactory> main_transaction_factory_;
-  scoped_ptr<net::URLRequestJobFactory> main_job_factory_;
-
-  bool media_dependencies_initialized_;
-  scoped_ptr<net::HttpTransactionFactory> media_transaction_factory_;
-};
-
-}  // namespace shell
-}  // namespace chromecast
-
-#endif  // CHROMECAST_SHELL_BROWSER_URL_REQUEST_CONTEXT_FACTORY_H_