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// Copyright (c) 2010 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_CONFIGURATION_POLICY_PROVIDER_H_
#define CHROME_BROWSER_CONFIGURATION_POLICY_PROVIDER_H_
#include <vector>
#include "base/basictypes.h"
#include "chrome/browser/configuration_policy_store.h"
class DictionaryValue;
// A mostly-abstract super class for platform-specific policy providers.
// Platform-specific policy providers (Windows Group Policy, gconf,
// etc.) should implement a subclass of this class.
class ConfigurationPolicyProvider {
public:
ConfigurationPolicyProvider() {}
virtual ~ConfigurationPolicyProvider() {}
// Must be implemented by provider subclasses to specify the
// provider-specific policy decisions. The preference service
// invokes this |Provide| method when it needs a policy
// provider to specify its policy choices. In |Provide|,
// the |ConfigurationPolicyProvider| must make calls to the
// |Apply| method of |store| to apply specific policies.
// Returns true if the policy could be provided, otherwise false.
virtual bool Provide(ConfigurationPolicyStore* store) = 0;
protected:
// A structure mapping policies to their implementations by providers.
struct PolicyValueMapEntry {
ConfigurationPolicyStore::PolicyType policy_type;
Value::ValueType value_type;
std::string name;
};
typedef std::vector<PolicyValueMapEntry> PolicyValueMap;
// Returns the mapping from policy values to the actual names used by
// implementations.
static const PolicyValueMap* PolicyValueMapping();
private:
DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyProvider);
};
#endif // CHROME_BROWSER_CONFIGURATION_POLICY_PROVIDER_H_
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