1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_SERVICE_FLAG_FETCHER_H_ 6 #define COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_SERVICE_FLAG_FETCHER_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/callback.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "google_apis/gaia/gaia_auth_consumer.h" 14 #include "google_apis/gaia/gaia_auth_fetcher.h" 15 #include "google_apis/gaia/oauth2_token_service.h" 16 17 class ProfileOAuth2TokenService; 18 19 namespace net { 20 class URLRequestContextGetter; 21 } 22 23 // Downloads an account's list of Gaia service flags. 24 // On construction, the download starts immediately and calls the given callback 25 // when either the download is successful or an error is detected. It is valid 26 // to destruct the object before the callback is called; this will cancel the 27 // pending request. 28 class AccountServiceFlagFetcher : public GaiaAuthConsumer, 29 public OAuth2TokenService::Observer, 30 public OAuth2TokenService::Consumer { 31 public: 32 enum ResultCode { 33 SUCCESS, 34 TOKEN_ERROR, // Failed to get OAuth2 token. 35 SERVICE_ERROR, // Service returned an error or malformed reply. 36 }; 37 38 // If the flag download is successful, this will return the list of service 39 // flags that are set for the given account. 40 typedef base::Callback<void(ResultCode /* result */, 41 const std::vector<std::string>& /* flags */)> 42 ResultCallback; 43 44 // Immediately starts fetching the flags. 45 AccountServiceFlagFetcher(const std::string& account_id, 46 ProfileOAuth2TokenService* token_service, 47 net::URLRequestContextGetter* request_context, 48 const ResultCallback& callback); 49 50 // Destructing the object before the callback is called cancels the request. 51 virtual ~AccountServiceFlagFetcher(); 52 53 private: 54 void Start(); 55 void StartFetchingOAuth2AccessToken(); 56 57 // Overridden from OAuth2TokenService::Observer: 58 virtual void OnRefreshTokenAvailable(const std::string& account_id) OVERRIDE; 59 virtual void OnRefreshTokensLoaded() OVERRIDE; 60 61 // Overridden from OAuth2TokenService::Consumer: 62 virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request, 63 const std::string& access_token, 64 const base::Time& expiration_time) OVERRIDE; 65 virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request, 66 const GoogleServiceAuthError& error) OVERRIDE; 67 68 // Overridden from GaiaAuthConsumer: 69 virtual void OnClientLoginSuccess(const ClientLoginResult& result) OVERRIDE; 70 virtual void OnClientLoginFailure(const GoogleServiceAuthError& error) 71 OVERRIDE; 72 virtual void OnGetUserInfoSuccess(const UserInfoMap& data) OVERRIDE; 73 virtual void OnGetUserInfoFailure(const GoogleServiceAuthError& error) 74 OVERRIDE; 75 76 const std::string account_id_; 77 ProfileOAuth2TokenService* token_service_; 78 GaiaAuthFetcher gaia_auth_fetcher_; 79 80 ResultCallback callback_; 81 82 scoped_ptr<OAuth2TokenService::Request> oauth2_access_token_request_; 83 84 DISALLOW_COPY_AND_ASSIGN(AccountServiceFlagFetcher); 85 }; 86 87 #endif // COMPONENTS_SIGNIN_CORE_BROWSER_ACCOUNT_SERVICE_FLAG_FETCHER_H_ 88