chrome/browser/chromeos/login/auth/online_attempt_host.h

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