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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 COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_POLICY_PROVIDER_H_
#define COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_POLICY_PROVIDER_H_
// A content settings provider that takes its settings out of policies.
#include <vector>
#include "base/macros.h"
#include "base/prefs/pref_change_registrar.h"
#include "base/synchronization/lock.h"
#include "components/content_settings/core/browser/content_settings_observable_provider.h"
#include "components/content_settings/core/browser/content_settings_origin_identifier_value_map.h"
class PrefService;
namespace user_prefs {
class PrefRegistrySyncable;
}
namespace content_settings {
// PolicyProvider that provides managed content-settings.
class PolicyProvider : public ObservableProvider {
public:
explicit PolicyProvider(PrefService* prefs);
~PolicyProvider() override;
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
// ProviderInterface implementations.
scoped_ptr<RuleIterator> GetRuleIterator(
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier,
bool incognito) const override;
bool SetWebsiteSetting(const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern,
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier,
base::Value* value) override;
void ClearAllContentSettingsRules(ContentSettingsType content_type) override;
void ShutdownOnUIThread() override;
private:
struct PrefsForManagedDefaultMapEntry;
static const PrefsForManagedDefaultMapEntry kPrefsForManagedDefault[];
// Reads the policy managed default settings.
void ReadManagedDefaultSettings();
// Callback for preference changes.
void OnPreferenceChanged(const std::string& pref_name);
// Reads the policy controlled default settings for a specific content type.
void UpdateManagedDefaultSetting(const PrefsForManagedDefaultMapEntry& entry);
void ReadManagedContentSettings(bool overwrite);
void GetContentSettingsFromPreferences(OriginIdentifierValueMap* rules);
void GetAutoSelectCertificateSettingsFromPreferences(
OriginIdentifierValueMap* value_map);
void ReadManagedContentSettingsTypes(ContentSettingsType content_type);
OriginIdentifierValueMap value_map_;
PrefService* prefs_;
PrefChangeRegistrar pref_change_registrar_;
// Used around accesses to the |value_map_| object to guarantee
// thread safety.
mutable base::Lock lock_;
DISALLOW_COPY_AND_ASSIGN(PolicyProvider);
};
} // namespace content_settings
#endif // COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_POLICY_PROVIDER_H_
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