|  | // Copyright (c) 2014 The Chromium OS 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 UPDATE_ENGINE_UPDATE_MANAGER_SYSTEM_PROVIDER_H_ | 
|  | #define UPDATE_ENGINE_UPDATE_MANAGER_SYSTEM_PROVIDER_H_ | 
|  |  | 
|  | #include "update_engine/update_manager/provider.h" | 
|  | #include "update_engine/update_manager/variable.h" | 
|  |  | 
|  | namespace chromeos_update_manager { | 
|  |  | 
|  | // Provider for system information, mostly constant, such as the information | 
|  | // reported by crossystem, the kernel boot command line and the partition table. | 
|  | class SystemProvider : public Provider { | 
|  | public: | 
|  | virtual ~SystemProvider() {} | 
|  |  | 
|  | // Returns true if the boot mode is normal or if it's unable to | 
|  | // determine the boot mode. Returns false if the boot mode is | 
|  | // developer. | 
|  | virtual Variable<bool>* var_is_normal_boot_mode() = 0; | 
|  |  | 
|  | // Returns whether this is an official Chrome OS build. | 
|  | virtual Variable<bool>* var_is_official_build() = 0; | 
|  |  | 
|  | // Returns a variable that tells whether OOBE was completed. | 
|  | virtual Variable<bool>* var_is_oobe_complete() = 0; | 
|  |  | 
|  | protected: | 
|  | SystemProvider() {} | 
|  |  | 
|  | private: | 
|  | DISALLOW_COPY_AND_ASSIGN(SystemProvider); | 
|  | }; | 
|  |  | 
|  | }  // namespace chromeos_update_manager | 
|  |  | 
|  | #endif  // UPDATE_ENGINE_UPDATE_MANAGER_SYSTEM_PROVIDER_H_ |