components/policy/core/common/proxy_policy_provider.h

   1 // Copyright 2014 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 COMPONENTS_POLICY_CORE_COMMON_PROXY_POLICY_PROVIDER_H_
   6 #define COMPONENTS_POLICY_CORE_COMMON_PROXY_POLICY_PROVIDER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "components/policy/core/common/configuration_policy_provider.h"
  10 #include "components/policy/policy_export.h"
  11
  12 namespace policy {
  13
  14 // A policy provider implementation that acts as a proxy for another policy
  15 // provider, swappable at any point.
  16 class POLICY_EXPORT ProxyPolicyProvider
  17     : public ConfigurationPolicyProvider,
  18       public ConfigurationPolicyProvider::Observer {
  19  public:
  20   ProxyPolicyProvider();
  21   virtual ~ProxyPolicyProvider();
  22
  23   // Updates the provider this proxy delegates to.
  24   void SetDelegate(ConfigurationPolicyProvider* delegate);
  25
  26   // ConfigurationPolicyProvider:
  27   virtual void Shutdown() OVERRIDE;
  28   virtual void RefreshPolicies() OVERRIDE;
  29
  30   // ConfigurationPolicyProvider::Observer:
  31   virtual void OnUpdatePolicy(ConfigurationPolicyProvider* provider) OVERRIDE;
  32
  33  private:
  34   ConfigurationPolicyProvider* delegate_;
  35
  36   DISALLOW_COPY_AND_ASSIGN(ProxyPolicyProvider);
  37 };
  38
  39 }  // namespace policy
  40
  41 #endif  // COMPONENTS_POLICY_CORE_COMMON_PROXY_POLICY_PROVIDER_H_