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      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_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_
      7 
      8 #include "base/callback.h"
      9 #include "base/macros.h"
     10 #include "base/memory/weak_ptr.h"
     11 #include "chromeos/login/auth/user_context.h"
     12 #include "third_party/cros_system_api/dbus/service_constants.h"
     13 
     14 namespace chromeos {
     15 
     16 class UserContext;
     17 
     18 // A class to remove existing Easy unlock cryptohome keys starting at given
     19 // index.
     20 class EasyUnlockRemoveKeysOperation {
     21  public:
     22   typedef base::Callback<void (bool success)> RemoveKeysCallback;
     23   EasyUnlockRemoveKeysOperation(
     24       const UserContext& user_context,
     25       size_t start_index,
     26       const RemoveKeysCallback& callback);
     27   ~EasyUnlockRemoveKeysOperation();
     28 
     29   void Start();
     30 
     31  private:
     32   void OnGetSystemSalt(const std::string& system_salt);
     33 
     34   void RemoveKey();
     35   void OnKeyRemoved(bool success, cryptohome::MountError return_code);
     36 
     37   UserContext user_context_;
     38   RemoveKeysCallback callback_;
     39   size_t key_index_;
     40   base::WeakPtrFactory<EasyUnlockRemoveKeysOperation> weak_ptr_factory_;
     41 
     42   DISALLOW_COPY_AND_ASSIGN(EasyUnlockRemoveKeysOperation);
     43 };
     44 
     45 }  // namespace chromeos
     46 
     47 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_
     48