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      1 // Copyright (c) 2011 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 CHROME_BROWSER_CHROMEOS_LOGIN_ONLINE_ATTEMPT_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_ONLINE_ATTEMPT_H_
      7 #pragma once
      8 
      9 #include <string>
     10 
     11 
     12 #include "base/memory/ref_counted.h"
     13 #include "base/memory/scoped_ptr.h"
     14 #include "chrome/browser/chromeos/login/login_status_consumer.h"
     15 #include "chrome/common/net/gaia/gaia_auth_consumer.h"
     16 #include "chrome/common/net/gaia/google_service_auth_error.h"
     17 
     18 class CancelableTask;
     19 class GaiaAuthFetcher;
     20 class Profile;
     21 
     22 namespace net {
     23 class URLRequestContextGetter;
     24 }
     25 
     26 namespace chromeos {
     27 class AuthAttemptState;
     28 class AuthAttemptStateResolver;
     29 
     30 class OnlineAttempt
     31     : public base::RefCountedThreadSafe<OnlineAttempt>,
     32       public GaiaAuthConsumer {
     33  public:
     34   OnlineAttempt(AuthAttemptState* current_attempt,
     35                 AuthAttemptStateResolver* callback);
     36   virtual ~OnlineAttempt();
     37 
     38   // Initiate the online login attempt.  Status will be recorded in
     39   // |current_attempt|, and resolver_->Resolve() will be called on the
     40   // IO thread when useful state is available.
     41   // Must be called on the UI thread.
     42   void Initiate(Profile* profile);
     43 
     44   // Callbacks from GaiaAuthFetcher
     45   virtual void OnClientLoginFailure(
     46       const GoogleServiceAuthError& error);
     47   virtual void OnClientLoginSuccess(
     48       const GaiaAuthConsumer::ClientLoginResult& credentials);
     49 
     50  private:
     51   // Milliseconds until we timeout our attempt to hit ClientLogin.
     52   static const int kClientLoginTimeoutMs;
     53 
     54   void TryClientLogin();
     55   void CancelClientLogin();
     56 
     57   void TriggerResolve(const GaiaAuthConsumer::ClientLoginResult& credentials,
     58                       const LoginFailure& outcome);
     59 
     60   AuthAttemptState* const attempt_;
     61   AuthAttemptStateResolver* const resolver_;
     62 
     63   // Handles all net communications with Gaia.
     64   scoped_ptr<GaiaAuthFetcher> gaia_authenticator_;
     65   CancelableTask* fetch_canceler_;
     66 
     67   // Whether we're willing to re-try the ClientLogin attempt.
     68   bool try_again_;
     69 
     70   friend class OnlineAttemptTest;
     71   DISALLOW_COPY_AND_ASSIGN(OnlineAttempt);
     72 };
     73 
     74 }  // namespace chromeos
     75 
     76 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ONLINE_ATTEMPT_H_
     77