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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_PREF_STORE_H_
#define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PREF_STORE_H_
#pragma once
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/observer_list.h"
#include "base/values.h"
#include "chrome/browser/policy/configuration_policy_provider.h"
#include "chrome/common/pref_store.h"
class PrefValueMap;
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 implementation of PrefStore that bridges policy settings as read from a
// ConfigurationPolicyProvider to preferences.
class ConfigurationPolicyPrefStore
: public PrefStore,
public ConfigurationPolicyProvider::Observer {
public:
// The ConfigurationPolicyPrefStore does not take ownership of the
// passed-in |provider|.
explicit ConfigurationPolicyPrefStore(ConfigurationPolicyProvider* provider);
virtual ~ConfigurationPolicyPrefStore();
// PrefStore methods:
virtual void AddObserver(PrefStore::Observer* observer) OVERRIDE;
virtual void RemoveObserver(PrefStore::Observer* observer) OVERRIDE;
virtual bool IsInitializationComplete() const OVERRIDE;
virtual ReadResult GetValue(const std::string& key,
const Value** result) const OVERRIDE;
// ConfigurationPolicyProvider::Observer methods:
virtual void OnUpdatePolicy(ConfigurationPolicyProvider* provider) OVERRIDE;
virtual void OnProviderGoingAway(
ConfigurationPolicyProvider* provider) OVERRIDE;
// Creates a ConfigurationPolicyPrefStore that reads managed platform policy.
static ConfigurationPolicyPrefStore* CreateManagedPlatformPolicyPrefStore();
// Creates a ConfigurationPolicyPrefStore that reads managed cloud policy.
static ConfigurationPolicyPrefStore* CreateManagedCloudPolicyPrefStore();
// Creates a ConfigurationPolicyPrefStore that reads recommended platform
// policy.
static ConfigurationPolicyPrefStore*
CreateRecommendedPlatformPolicyPrefStore();
// Creates a ConfigurationPolicyPrefStore that reads recommended cloud policy.
static ConfigurationPolicyPrefStore* CreateRecommendedCloudPolicyPrefStore();
// Returns true if the given policy is a proxy policy.
static bool IsProxyPolicy(ConfigurationPolicyType policy);
private:
// Refreshes policy information, rereading policy from the provider and
// sending out change notifications as appropriate.
void Refresh();
// Returns a new PrefValueMap containing the preference values that correspond
// to the policies currently provided by |provider_|.
PrefValueMap* CreatePreferencesFromPolicies();
// The policy provider from which policy settings are read.
ConfigurationPolicyProvider* provider_;
// Initialization status as reported by the policy provider the last time we
// queried it.
bool initialization_complete_;
// Current policy preferences.
scoped_ptr<PrefValueMap> prefs_;
ObserverList<PrefStore::Observer, true> observers_;
ConfigurationPolicyObserverRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyPrefStore);
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PREF_STORE_H_
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