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      1 // Copyright (c) 2012 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_USER_FLOW_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_FLOW_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "chrome/browser/chromeos/login/login_status_consumer.h"
     10 #include "chrome/browser/chromeos/login/user.h"
     11 #include "chrome/browser/profiles/profile.h"
     12 
     13 namespace chromeos {
     14 
     15 class LoginDisplayHost;
     16 // Defines possible variants of user flow upon logging in.
     17 // See UserManager::SetUserFlow for usage contract.
     18 class UserFlow {
     19  public:
     20   UserFlow();
     21   virtual ~UserFlow() = 0;
     22   virtual bool ShouldShowSettings() = 0;
     23   virtual bool ShouldLaunchBrowser() = 0;
     24   virtual bool ShouldSkipPostLoginScreens() = 0;
     25   virtual bool HandleLoginFailure(const LoginFailure& failure) = 0;
     26   virtual bool HandlePasswordChangeDetected() = 0;
     27   virtual void HandleOAuthTokenStatusChange(User::OAuthTokenStatus status) = 0;
     28   virtual void LaunchExtraSteps(Profile* profile) = 0;
     29 
     30   void set_host(LoginDisplayHost* host) {
     31     host_ = host;
     32   }
     33 
     34   LoginDisplayHost* host() {
     35     return host_;
     36   }
     37 
     38  private:
     39   LoginDisplayHost* host_;
     40 };
     41 
     42 // UserFlow implementation for regular login flow.
     43 class DefaultUserFlow : public UserFlow {
     44  public:
     45   virtual ~DefaultUserFlow();
     46 
     47   virtual bool ShouldShowSettings() OVERRIDE;
     48   virtual bool ShouldLaunchBrowser() OVERRIDE;
     49   virtual bool ShouldSkipPostLoginScreens() OVERRIDE;
     50   virtual bool HandleLoginFailure(const LoginFailure& failure) OVERRIDE;
     51   virtual bool HandlePasswordChangeDetected() OVERRIDE;
     52   virtual void HandleOAuthTokenStatusChange(User::OAuthTokenStatus status)
     53       OVERRIDE;
     54   virtual void LaunchExtraSteps(Profile* profile) OVERRIDE;
     55 };
     56 
     57 // UserFlow stub for non-regular flows.
     58 class ExtendedUserFlow : public UserFlow {
     59  public:
     60   explicit ExtendedUserFlow(const std::string& user_id);
     61   virtual ~ExtendedUserFlow();
     62 
     63   virtual bool ShouldShowSettings() OVERRIDE;
     64 
     65  protected:
     66   // Subclasses can call this method to unregister flow in the next event.
     67   virtual void UnregisterFlowSoon();
     68   std::string user_id() {
     69     return user_id_;
     70   };
     71 
     72  private:
     73   std::string user_id_;
     74 };
     75 
     76 }  // namespace chromeos
     77 
     78 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USER_FLOW_H_
     79