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 <memory>
9 #include <string>
10 
11 #include <base/macros.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(std::unique_ptr<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   std::unique_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