Initial checkin of chromecast content embedder (cast_shell) and related build scripts.

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 URLRequestJobFactory;
+}  // namespace net
+
+namespace chromecast {
+namespace shell {
+
+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();
+
+ 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_;
+
+  // 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::ServerBoundCertService> server_bound_cert_service_;
+  scoped_ptr<net::CertVerifier> cert_verifier_;
+  scoped_refptr<net::SSLConfigService> ssl_config_service_;
+  scoped_ptr<net::TransportSecurityState> transport_security_state_;
+  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_;
+
+  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_