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 CHROMEOS_LOGIN_AUTH_ONLINE_ATTEMPT_HOST_H_ 6 #define CHROMEOS_LOGIN_AUTH_ONLINE_ATTEMPT_HOST_H_ 7 8 #include <string> 9 10 #include "base/memory/ref_counted.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "base/memory/weak_ptr.h" 13 #include "chromeos/chromeos_export.h" 14 #include "chromeos/login/auth/auth_attempt_state_resolver.h" 15 #include "chromeos/login/auth/user_context.h" 16 17 namespace net { 18 class URLRequestContextGetter; 19 } 20 21 namespace chromeos { 22 23 class AuthAttemptState; 24 class OnlineAttempt; 25 class UserContext; 26 27 // Helper class which hosts OnlineAttempt for online credentials checking. 28 class CHROMEOS_EXPORT OnlineAttemptHost : public AuthAttemptStateResolver { 29 public: 30 class Delegate { 31 public: 32 // Called after user_context were checked online. 33 virtual void OnChecked(const std::string& username, bool success) = 0; 34 }; 35 36 explicit OnlineAttemptHost(Delegate* delegate); 37 virtual ~OnlineAttemptHost(); 38 39 // Performs an online check of the credentials in |request_context| and 40 // invokes 41 // the delegate's OnChecked() with the result. Note that only one check can be 42 // in progress at any given time. If this method is invoked with a different 43 // |user_context| than a check currently in progress, the current check will 44 // be silently aborted. 45 void Check(net::URLRequestContextGetter* request_context, 46 const UserContext& user_context); 47 48 // Resets the checking process. 49 void Reset(); 50 51 // AuthAttemptStateResolver overrides. 52 // Executed on IO thread. 53 virtual void Resolve() OVERRIDE; 54 55 // Does an actual resolve on UI thread. 56 void ResolveOnUIThread(bool success); 57 58 private: 59 scoped_refptr<base::MessageLoopProxy> message_loop_; 60 Delegate* delegate_; 61 UserContext current_attempt_user_context_; 62 scoped_ptr<OnlineAttempt> online_attempt_; 63 scoped_ptr<AuthAttemptState> state_; 64 base::WeakPtrFactory<OnlineAttemptHost> weak_ptr_factory_; 65 66 DISALLOW_COPY_AND_ASSIGN(OnlineAttemptHost); 67 }; 68 69 } // namespace chromeos 70 71 #endif // CHROMEOS_LOGIN_AUTH_ONLINE_ATTEMPT_HOST_H_ 72