chromium/components/policy/core/common/policy_service.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_POLICY_CORE_COMMON_POLICY_SERVICE_H_
#define COMPONENTS_POLICY_CORE_COMMON_POLICY_SERVICE_H_

#include <map>
#include <string>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/observer_list_types.h"
#include "base/scoped_observation_traits.h"
#include "build/build_config.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_namespace.h"
#include "components/policy/core/common/policy_types.h"
#include "components/policy/policy_export.h"

namespace policy {

class ConfigurationPolicyProvider;

#if BUILDFLAG(IS_ANDROID)
namespace android {
class PolicyServiceAndroid;
}
#endif

// The PolicyService merges policies from all available sources, taking into
// account their priorities. Policy clients can retrieve policy for their domain
// and register for notifications on policy updates.
//
// The PolicyService is available from BrowserProcess as a global singleton.
// There is also a PolicyService for browser-wide policies available from
// BrowserProcess as a global singleton.
class POLICY_EXPORT PolicyService { … };

// A registrar that only observes changes to particular policies within the
// PolicyMap for the given policy namespace.
class POLICY_EXPORT PolicyChangeRegistrar : public PolicyService::Observer { … };

}  // namespace policy

namespace base {

template <>
struct ScopedObservationTraits<policy::PolicyService,
                               policy::PolicyService::ProviderUpdateObserver> { … };

}  // namespace base

#endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_SERVICE_H_