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      1 // Copyright (c) 2011 The Chromium OS 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 LIBBRILLO_POLICY_LIBPOLICY_H_
      6 #define LIBBRILLO_POLICY_LIBPOLICY_H_
      7 
      8 #include <string>
      9 
     10 #include <base/macros.h>
     11 #include <base/memory/scoped_ptr.h>
     12 
     13 #pragma GCC visibility push(default)
     14 
     15 namespace policy {
     16 
     17 class DevicePolicy;
     18 
     19 // This class holds device settings that are to be enforced across all users.
     20 //
     21 // If there is a policy on disk at creation time, we will load it at verify
     22 // its signature.
     23 class PolicyProvider {
     24  public:
     25   PolicyProvider();
     26   virtual ~PolicyProvider();
     27 
     28   // Constructor for tests only!
     29   explicit PolicyProvider(DevicePolicy* device_policy);
     30 
     31   // This function will ensure the freshness of the contents that the getters
     32   // are delivering. Normally contents are cached to prevent unnecessary load.
     33   virtual bool Reload();
     34 
     35   virtual bool device_policy_is_loaded() const;
     36 
     37   // Returns a value from the device policy cache.
     38   virtual const DevicePolicy& GetDevicePolicy() const;
     39 
     40  private:
     41   scoped_ptr<DevicePolicy> device_policy_;
     42   bool device_policy_is_loaded_;
     43 
     44   DISALLOW_COPY_AND_ASSIGN(PolicyProvider);
     45 };
     46 }  // namespace policy
     47 
     48 #pragma GCC visibility pop
     49 
     50 #endif  // LIBBRILLO_POLICY_LIBPOLICY_H_
     51