chrome/browser/chromeos/login/user_flow.h

   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   // Indicates if screen locking should be enabled or disabled for a flow.
  23   virtual bool CanLockScreen() = 0;
  24   virtual bool ShouldShowSettings() = 0;
  25   virtual bool ShouldLaunchBrowser() = 0;
  26   virtual bool ShouldSkipPostLoginScreens() = 0;
  27   virtual bool HandleLoginFailure(const LoginFailure& failure) = 0;
  28   virtual void HandleLoginSuccess(const UserContext& context) = 0;
  29   virtual bool HandlePasswordChangeDetected() = 0;
  30   virtual void HandleOAuthTokenStatusChange(User::OAuthTokenStatus status) = 0;
  31   virtual void LaunchExtraSteps(Profile* profile) = 0;
  32
  33   void set_host(LoginDisplayHost* host) {
  34     host_ = host;
  35   }
  36
  37   LoginDisplayHost* host() {
  38     return host_;
  39   }
  40
  41  private:
  42   LoginDisplayHost* host_;
  43 };
  44
  45 // UserFlow implementation for regular login flow.
  46 class DefaultUserFlow : public UserFlow {
  47  public:
  48   virtual ~DefaultUserFlow();
  49
  50   virtual bool CanLockScreen() OVERRIDE;
  51   virtual bool ShouldShowSettings() OVERRIDE;
  52   virtual bool ShouldLaunchBrowser() OVERRIDE;
  53   virtual bool ShouldSkipPostLoginScreens() OVERRIDE;
  54   virtual bool HandleLoginFailure(const LoginFailure& failure) OVERRIDE;
  55   virtual void HandleLoginSuccess(const UserContext& context) OVERRIDE;
  56   virtual bool HandlePasswordChangeDetected() OVERRIDE;
  57   virtual void HandleOAuthTokenStatusChange(User::OAuthTokenStatus status)
  58       OVERRIDE;
  59   virtual void LaunchExtraSteps(Profile* profile) OVERRIDE;
  60 };
  61
  62 // UserFlow stub for non-regular flows.
  63 class ExtendedUserFlow : public UserFlow {
  64  public:
  65   explicit ExtendedUserFlow(const std::string& user_id);
  66   virtual ~ExtendedUserFlow();
  67
  68   virtual bool ShouldShowSettings() OVERRIDE;
  69
  70  protected:
  71   // Subclasses can call this method to unregister flow in the next event.
  72   virtual void UnregisterFlowSoon();
  73   std::string user_id() {
  74     return user_id_;
  75   };
  76
  77  private:
  78   std::string user_id_;
  79 };
  80
  81 }  // namespace chromeos
  82
  83 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USER_FLOW_H_