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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_PREF_STORE_H_
#define CHROME_BROWSER_CONFIGURATION_POLICY_PREF_STORE_H_
#include <string>
#include "base/basictypes.h"
#include "base/gtest_prod_util.h"
#include "base/scoped_ptr.h"
#include "base/values.h"
#include "chrome/browser/configuration_policy_provider.h"
#include "chrome/browser/configuration_policy_store.h"
#include "chrome/common/pref_store.h"
class CommandLine;
// An implementation of the |PrefStore| that holds a Dictionary
// created through applied policy.
class ConfigurationPolicyPrefStore : public PrefStore,
public ConfigurationPolicyStore {
public:
// The ConfigurationPolicyPrefStore takes the ownership of the passed
// |provider|.
ConfigurationPolicyPrefStore(const CommandLine* command_line,
ConfigurationPolicyProvider* provider);
virtual ~ConfigurationPolicyPrefStore() { }
// PrefStore methods:
virtual PrefReadError ReadPrefs();
virtual DictionaryValue* prefs() { return prefs_.get(); }
private:
// For unit tests.
friend class ConfigurationPolicyPrefStoreTest;
// Policies that map to a single preference are handled
// by an automated converter. Each one of these policies
// has an entry in |simple_policy_map_| with the following type.
struct PolicyToPreferenceMapEntry {
Value::ValueType value_type;
PolicyType policy_type;
const wchar_t* preference_path; // A DictionaryValue path, not a file path.
};
static const PolicyToPreferenceMapEntry simple_policy_map_[];
static const PolicyToPreferenceMapEntry proxy_policy_map_[];
const CommandLine* command_line_;
scoped_ptr<ConfigurationPolicyProvider> provider_;
scoped_ptr<DictionaryValue> prefs_;
// Set to false until the first proxy-relevant policy is applied. Allows
// the Apply method to erase all switch-specified proxy configuration before
// applying proxy policy configuration;
bool command_line_proxy_settings_cleared_;
// The following are used to track what proxy-relevant policy has been applied
// accross calls to Apply to provide a warning if a policy specifies a
// contradictory proxy configuration. |proxy_disabled_| is set to true if and
// only if the kPolicyNoProxyServer has been applied,
// |proxy_configuration_specified_| is set to true if and only if any other
// proxy policy other than kPolicyNoProxyServer has been applied.
bool proxy_disabled_;
bool proxy_configuration_specified_;
// Set to true if a the proxy mode policy has been set to force Chrome
// to use the system proxy.
bool use_system_proxy_;
// ConfigurationPolicyStore methods:
virtual void Apply(PolicyType setting, Value* value);
// Initializes default preference values from proxy-related command-line
// switches in |command_line_|.
void ApplyProxySwitches();
bool ApplyPolicyFromMap(PolicyType policy, Value* value,
const PolicyToPreferenceMapEntry map[], int size);
// Processes proxy-specific policies. Returns true if the specified policy
// is a proxy-related policy. ApplyProxyPolicy assumes the ownership
// of |value| in the case that the policy is proxy-specific.
bool ApplyProxyPolicy(PolicyType policy, Value* value);
// Handles sync-related policies. Returns true if the policy was handled.
// Assumes ownership of |value| in that case.
bool ApplySyncPolicy(PolicyType policy, Value* value);
DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyPrefStore);
};
#endif // CHROME_BROWSER_CONFIGURATION_POLICY_PREF_STORE_H_
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