| // Copyright 2013 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_EXTENSIONS_API_RECOVERY_PRIVATE_RECOVERY_OPERATION_H_ |
| #define CHROME_BROWSER_EXTENSIONS_API_RECOVERY_PRIVATE_RECOVERY_OPERATION_H_ |
| |
| #include "base/callback.h" |
| #include "base/timer/timer.h" |
| #include "chrome/common/extensions/api/recovery_private.h" |
| |
| namespace recovery_api = extensions::api::recovery_private; |
| |
| namespace extensions { |
| namespace recovery { |
| |
| class RecoveryOperationManager; |
| |
| // Encapsulates an operation being run on behalf of the |
| // RecoveryOperationManager. Construction of the operation does not start |
| // anything. The operation's Start method should be called to start it, and |
| // then the Cancel method will stop it. The operation will call back to the |
| // RecoveryOperationManager periodically or on any significant event. |
| class RecoveryOperation { |
| public: |
| typedef base::Callback<void(bool)> WriteStartCallback; |
| typedef base::Callback<void(bool)> WriteCancelCallback; |
| typedef std::string ExtensionId; |
| |
| RecoveryOperation(RecoveryOperationManager* manager, |
| const ExtensionId& extension_id); |
| virtual ~RecoveryOperation(); |
| |
| // Starts the operation. |
| virtual void Start(const WriteStartCallback& callback); |
| // Stops the operation gracefully, as if by a user action. |
| virtual void Cancel(const WriteCancelCallback& callback); |
| // Aborts the operation, generating an error. |
| virtual void Abort(); |
| protected: |
| |
| RecoveryOperationManager* manager_; |
| const ExtensionId extension_id_; |
| |
| recovery_api::Stage stage_; |
| int progress_; |
| |
| // Timer for stubbing. |
| base::RepeatingTimer<RecoveryOperation> timer_; |
| |
| // Timer callback for stubbing. |
| void UpdateProgress(); |
| }; |
| |
| } // namespace recovery |
| } // namespace extensions |
| |
| #endif // CHROME_BROWSER_EXTENSIONS_API_RECOVERY_PRIVATE_RECOVERY_OPERATION_H_ |