[Chrome OS] Infrastucture for doing offline/online login simultaneously

chrome/browser/chromeos/login/cryptohome_op.h

+// Copyright (c) 2010 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_CRYPTOHOME_OP_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_CRYPTOHOME_OP_H_
+#pragma once
+
+#include <string>
+
+#include "base/ref_counted.h"
+#include "chrome/browser/chromeos/cros/cryptohome_library.h"
+#include "chrome/browser/chrome_thread.h"
+
+namespace chromeos {
+class AuthAttemptState;
+class AuthAttemptStateResolver;
+
+class CryptohomeOp
+    : public base::RefCountedThreadSafe<CryptohomeOp>,
+      public CryptohomeLibrary::Delegate {
+ public:
+  CryptohomeOp(AuthAttemptState* current_attempt,
+               AuthAttemptStateResolver* callback);
+
+  virtual ~CryptohomeOp();
+
+  virtual bool Initiate() = 0;
+
+  // Implementation of CryptohomeLibrary::Delegate.
+  virtual void OnComplete(bool success, int return_code);
+
+ protected:
+  virtual void TriggerResolve(bool offline_outcome, int offline_code);
+
+  AuthAttemptState* const attempt_;
+  AuthAttemptStateResolver* const resolver_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CryptohomeOp);
+};
+
+class MountAttempt : public CryptohomeOp {
+ public:
+  MountAttempt(AuthAttemptState* current_attempt,
+               AuthAttemptStateResolver* callback);
+  virtual ~MountAttempt();
+
+  bool Initiate();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MountAttempt);
+};
+
+class MountGuestAttempt : public CryptohomeOp {
+ public:
+  MountGuestAttempt(AuthAttemptState* current_attempt,
+                    AuthAttemptStateResolver* callback);
+  virtual ~MountGuestAttempt();
+
+  bool Initiate();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MountGuestAttempt);
+};
+
+class MigrateAttempt : public CryptohomeOp {
+ public:
+  MigrateAttempt(AuthAttemptState* current_attempt,
+                 AuthAttemptStateResolver* callback,
+                 bool passing_old_hash,
+                 const std::string& hash);
+  virtual ~MigrateAttempt();
+
+  bool Initiate();
+
+ private:
+  void TriggerResolve(bool offline_outcome, int offline_code);
+
+  const bool is_old_hash_;
+  const std::string hash_;
+
+  DISALLOW_COPY_AND_ASSIGN(MigrateAttempt);
+};
+
+class RemoveAttempt : public CryptohomeOp {
+ public:
+  RemoveAttempt(AuthAttemptState* current_attempt,
+                AuthAttemptStateResolver* callback);
+  virtual ~RemoveAttempt();
+
+  bool Initiate();
+
+ private:
+  void TriggerResolve(bool offline_outcome, int offline_code);
+
+  DISALLOW_COPY_AND_ASSIGN(RemoveAttempt);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_CRYPTOHOME_OP_H_