// 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 CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_ #define CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_ #include <string> #include "base/memory/ref_counted.h" #include "chromeos/chromeos_export.h" namespace base { class TaskRunner; } namespace chromeos { namespace system { // Developer switch value. CHROMEOS_EXPORT extern const char kDevSwitchBootMode[]; // Customization ID key. CHROMEOS_EXPORT extern const char kCustomizationIdKey[]; // HWID key. CHROMEOS_EXPORT extern const char kHardwareClassKey[]; // OEM customization flag that permits exiting enterprise enrollment flow in // OOBE when 'oem_enterprise_managed' flag is set. CHROMEOS_EXPORT extern const char kOemCanExitEnterpriseEnrollmentKey[]; // OEM customization directive that specified intended device purpose. CHROMEOS_EXPORT extern const char kOemDeviceRequisitionKey[]; // OEM customization flag that enforces enterprise enrollment flow in OOBE. CHROMEOS_EXPORT extern const char kOemIsEnterpriseManagedKey[]; // OEM customization flag that specifies if OOBE flow should be enhanced for // keyboard driven control. CHROMEOS_EXPORT extern const char kOemKeyboardDrivenOobeKey[]; // Offer coupon code key. CHROMEOS_EXPORT extern const char kOffersCouponCodeKey[]; // Offer group key. CHROMEOS_EXPORT extern const char kOffersGroupCodeKey[]; // Release Brand Code key. CHROMEOS_EXPORT extern const char kRlzBrandCodeKey[]; // The serial number of the disk the root device is on. CHROMEOS_EXPORT extern const char kDiskSerialNumber[]; // This interface provides access to Chrome OS statistics. class CHROMEOS_EXPORT StatisticsProvider { public: // Starts loading the machine statistics. File operations are performed on // |file_task_runner|. virtual void StartLoadingMachineStatistics( const scoped_refptr<base::TaskRunner>& file_task_runner, bool load_oem_manifest) = 0; // Retrieves the named machine statistic (e.g. "hardware_class"). If |name| // is found, sets |result| and returns true. Safe to call from any thread // except the task runner passed to Initialize() (e.g. FILE). This may block // if called early before the statistics are loaded from disk. // StartLoadingMachineStatistics() must be called before this. virtual bool GetMachineStatistic(const std::string& name, std::string* result) = 0; // Similar to GetMachineStatistic for boolean flags. virtual bool GetMachineFlag(const std::string& name, bool* result) = 0; // Cancels any pending file operations. virtual void Shutdown() = 0; // Get the Singleton instance. static StatisticsProvider* GetInstance(); // Set the instance returned by GetInstance() for testing. static void SetTestProvider(StatisticsProvider* test_provider); protected: virtual ~StatisticsProvider() {} }; } // namespace system } // namespace chromeos #endif // CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_