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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_CONTENT_SETTINGS_CONTENT_SETTINGS_POLICY_PROVIDER_H_
#define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_POLICY_PROVIDER_H_
#pragma once
// A content settings provider that takes its settings out of policies.
#include <vector>
#include "base/basictypes.h"
#include "base/synchronization/lock.h"
#include "chrome/browser/content_settings/content_settings_observable_provider.h"
#include "chrome/browser/content_settings/content_settings_origin_identifier_value_map.h"
#include "chrome/browser/prefs/pref_change_registrar.h"
#include "content/public/browser/notification_observer.h"
class PrefService;
namespace content_settings {
// PolicyProvider that provides managed content-settings.
class PolicyProvider : public ObservableProvider,
public content::NotificationObserver {
public:
explicit PolicyProvider(PrefService* prefs);
virtual ~PolicyProvider();
static void RegisterUserPrefs(PrefService* prefs);
// ProviderInterface implementations.
virtual RuleIterator* GetRuleIterator(
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier,
bool incognito) const OVERRIDE;
virtual bool SetWebsiteSetting(
const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern,
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier,
Value* value) OVERRIDE;
virtual void ClearAllContentSettingsRules(
ContentSettingsType content_type) OVERRIDE;
virtual void ShutdownOnUIThread() OVERRIDE;
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
private:
// Reads the policy managed default settings.
void ReadManagedDefaultSettings();
// Reads the policy controlled default settings for a specific content type.
void UpdateManagedDefaultSetting(ContentSettingsType content_type);
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 // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_POLICY_PROVIDER_H_
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