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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_STORE_INTERFACE_H_
#define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_STORE_INTERFACE_H_
#pragma once
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "policy/configuration_policy_type.h"
class Value;
namespace policy {
// Constants for the "Proxy Server Mode" defined in the policies.
// Note that these diverge from internal presentation defined in
// ProxyPrefs::ProxyMode for legacy reasons. The following four
// PolicyProxyModeType types were not very precise and had overlapping use
// cases.
enum PolicyProxyModeType {
// Disable Proxy, connect directly.
kPolicyNoProxyServerMode = 0,
// Auto detect proxy or use specific PAC script if given.
kPolicyAutoDetectProxyServerMode = 1,
// Use manually configured proxy servers (fixed servers).
kPolicyManuallyConfiguredProxyServerMode = 2,
// Use system proxy server.
kPolicyUseSystemProxyServerMode = 3,
MODE_COUNT
};
// An abstract super class for policy stores that provides a method that can be
// called by a |ConfigurationPolicyProvider| to specify a policy.
class ConfigurationPolicyStoreInterface {
public:
virtual ~ConfigurationPolicyStoreInterface() {}
// A |ConfigurationPolicyProvider| specifies the value of a policy
// setting through a call to |Apply|. The configuration policy pref
// store takes over the ownership of |value|.
virtual void Apply(ConfigurationPolicyType policy, Value* value) = 0;
protected:
ConfigurationPolicyStoreInterface() {}
private:
DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyStoreInterface);
};
// Helper class. A pass-through ConfigurationPolicyStoreInterface, that observes
// the application of well-known policies.
class ObservingPolicyStoreInterface: public ConfigurationPolicyStoreInterface {
public:
explicit ObservingPolicyStoreInterface(
ConfigurationPolicyStoreInterface* next)
: next_(next),
proxy_policy_applied_(false) {}
// ConfigurationPolicyStoreInterface methods:
virtual void Apply(ConfigurationPolicyType policy, Value* value) OVERRIDE;
bool IsProxyPolicyApplied() const {
return proxy_policy_applied_;
}
private:
ConfigurationPolicyStoreInterface* next_;
bool proxy_policy_applied_;
DISALLOW_COPY_AND_ASSIGN(ObservingPolicyStoreInterface);
};
// Helper class. A ConfigurationPolicyStoreInterface that filters out most
// policies, and only applies well-known policies.
class FilteringPolicyStoreInterface: public ConfigurationPolicyStoreInterface {
public:
FilteringPolicyStoreInterface(ConfigurationPolicyStoreInterface* next,
bool apply_proxy_policies)
: next_(next),
apply_proxy_policies_(apply_proxy_policies) {}
// ConfigurationPolicyStoreInterface methods:
virtual void Apply(ConfigurationPolicyType policy, Value* value) OVERRIDE;
private:
ConfigurationPolicyStoreInterface* next_;
bool apply_proxy_policies_;
DISALLOW_COPY_AND_ASSIGN(FilteringPolicyStoreInterface);
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_STORE_INTERFACE_H_
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