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      1 // Copyright (c) 2011 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.
      4 
      5 #ifndef CHROME_BROWSER_CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_
      6 #define CHROME_BROWSER_CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_
      7 
      8 #include <string>
      9 
     10 namespace chromeos {
     11 namespace system {
     12 
     13 // Developer switch value.
     14 extern const char kDevSwitchBootMode[];
     15 
     16 // HWID key.
     17 extern const char kHardwareClass[];
     18 
     19 // Machine board key.
     20 extern const char kMachineInfoBoard[];
     21 
     22 // OEM customization flag that permits exiting enterprise enrollment flow in
     23 // OOBE when 'oem_enterprise_managed' flag is set.
     24 extern const char kOemCanExitEnterpriseEnrollmentKey[];
     25 
     26 // OEM customization directive that specified intended device purpose.
     27 extern const char kOemDeviceRequisitionKey[];
     28 
     29 // OEM customization flag that enforces enterprise enrollment flow in OOBE.
     30 extern const char kOemIsEnterpriseManagedKey[];
     31 
     32 // OEM customization flag that specifies if OOBE flow should be enhanced for
     33 // keyboard driven control.
     34 extern const char kOemKeyboardDrivenOobeKey[];
     35 
     36 // Offer coupon code key.
     37 extern const char kOffersCouponCodeKey[];
     38 
     39 // Offer group key.
     40 extern const char kOffersGroupCodeKey[];
     41 
     42 // This interface provides access to Chrome OS statistics.
     43 class StatisticsProvider {
     44  public:
     45   // Initializes the statistics provider.
     46   virtual void Init() = 0;
     47 
     48   // Starts loading the machine statistcs.
     49   virtual void StartLoadingMachineStatistics() = 0;
     50 
     51   // Retrieve the named machine statistic (e.g. "hardware_class").
     52   // This does not update the statistcs. If the |name| is not set, |result|
     53   // preserves old value.
     54   virtual bool GetMachineStatistic(const std::string& name,
     55                                    std::string* result) = 0;
     56 
     57   // Retrieve boolean value for named machine flag.
     58   virtual bool GetMachineFlag(const std::string& name,
     59                               bool* result) = 0;
     60 
     61   // Loads kiosk oem manifest file.
     62   virtual void LoadOemManifest() = 0;
     63 
     64   static StatisticsProvider* GetInstance();
     65 
     66  protected:
     67   virtual ~StatisticsProvider() {}
     68 };
     69 
     70 }  // namespace system
     71 }  // namespace chromeos
     72 
     73 #endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_STATISTICS_PROVIDER_H_
     74