cros: Create cryptohome keys for Easy sign-in.

chrome/browser/chromeos/login/easy_unlock/easy_unlock_create_keys_operation.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_CREATE_KEYS_OPERATION_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_CREATE_KEYS_OPERATION_H_
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/chromeos/login/easy_unlock/easy_unlock_types.h"
+#include "chromeos/login/auth/user_context.h"
+#include "third_party/cros_system_api/dbus/service_constants.h"
+
+namespace chromeos {
+
+class UserContext;
+
+// A class to create Easy unlock cryptohome keys for the given user and devices.
+class EasyUnlockCreateKeysOperation {
+ public:
+  typedef base::Callback<void (bool success)> CreateKeysCallback;
+  EasyUnlockCreateKeysOperation(
+      const UserContext& user_context,
+      const EasyUnlockDeviceKeyDataList& devices,
+      const CreateKeysCallback& callback);
+  ~EasyUnlockCreateKeysOperation();
+
+  void Start();
+
+ private:
+  class ChallengeCreator;
+
+  void CreateKeyForDeviceAtIndex(size_t index);
+  void OnChallengeCreated(size_t index, bool success);
+  void OnGetSystemSalt(size_t index,
+                       const std::string& system_salt);
+  void OnKeyCreated(size_t index,
+                    bool success,
+                    cryptohome::MountError return_code);
+
+  UserContext user_context_;
+  EasyUnlockDeviceKeyDataList devices_;
+  CreateKeysCallback callback_;
+
+  // Index of the key to be created.
+  size_t key_creation_index_;
+
+  scoped_ptr<ChallengeCreator> challenge_creator_;
+
+  base::WeakPtrFactory<EasyUnlockCreateKeysOperation> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(EasyUnlockCreateKeysOperation);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_CREATE_KEYS_OPERATION_H_