1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_
6 #define CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_
10 #include "base/memory/ref_counted.h"
11 #include "chromeos/chromeos_export.h"
20 // Developer switch value.
21 CHROMEOS_EXPORT extern const char kDevSwitchBootMode[];
23 // Customization ID key.
24 CHROMEOS_EXPORT extern const char kCustomizationIdKey[];
27 CHROMEOS_EXPORT extern const char kHardwareClassKey[];
29 // OEM customization flag that permits exiting enterprise enrollment flow in
30 // OOBE when 'oem_enterprise_managed' flag is set.
31 CHROMEOS_EXPORT extern const char kOemCanExitEnterpriseEnrollmentKey[];
33 // OEM customization directive that specified intended device purpose.
34 CHROMEOS_EXPORT extern const char kOemDeviceRequisitionKey[];
36 // OEM customization flag that enforces enterprise enrollment flow in OOBE.
37 CHROMEOS_EXPORT extern const char kOemIsEnterpriseManagedKey[];
39 // OEM customization flag that specifies if OOBE flow should be enhanced for
40 // keyboard driven control.
41 CHROMEOS_EXPORT extern const char kOemKeyboardDrivenOobeKey[];
43 // Offer coupon code key.
44 CHROMEOS_EXPORT extern const char kOffersCouponCodeKey[];
47 CHROMEOS_EXPORT extern const char kOffersGroupCodeKey[];
49 // Release Brand Code key.
50 CHROMEOS_EXPORT extern const char kRlzBrandCodeKey[];
52 // The serial number of the disk the root device is on.
53 CHROMEOS_EXPORT extern const char kDiskSerialNumber[];
55 // This interface provides access to Chrome OS statistics.
56 class CHROMEOS_EXPORT StatisticsProvider {
58 // Starts loading the machine statistics. File operations are performed on
59 // |file_task_runner|.
60 virtual void StartLoadingMachineStatistics(
61 const scoped_refptr<base::TaskRunner>& file_task_runner,
62 bool load_oem_manifest) = 0;
64 // Retrieves the named machine statistic (e.g. "hardware_class"). If |name|
65 // is found, sets |result| and returns true. Safe to call from any thread
66 // except the task runner passed to Initialize() (e.g. FILE). This may block
67 // if called early before the statistics are loaded from disk.
68 // StartLoadingMachineStatistics() must be called before this.
69 virtual bool GetMachineStatistic(const std::string& name,
70 std::string* result) = 0;
72 // Similar to GetMachineStatistic for boolean flags.
73 virtual bool GetMachineFlag(const std::string& name, bool* result) = 0;
75 // Cancels any pending file operations.
76 virtual void Shutdown() = 0;
78 // Get the Singleton instance.
79 static StatisticsProvider* GetInstance();
81 // Set the instance returned by GetInstance() for testing.
82 static void SetTestProvider(StatisticsProvider* test_provider);
85 virtual ~StatisticsProvider() {}
89 } // namespace chromeos
91 #endif // CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_