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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_BASE_LOCAL_SESSION_POLICIES_PROVIDER_H_
#define REMOTING_BASE_LOCAL_SESSION_POLICIES_PROVIDER_H_
#include "base/callback_list.h"
#include "base/functional/callback.h"
#include "remoting/base/session_policies.h"
namespace remoting {
// Class that provides the local SessionPolicies.
class LocalSessionPoliciesProvider final {
public:
using LocalPoliciesChangedCallbackList =
base::RepeatingCallbackList<void(const SessionPolicies&)>;
using LocalPoliciesChangedCallback =
LocalPoliciesChangedCallbackList::CallbackType;
LocalSessionPoliciesProvider();
~LocalSessionPoliciesProvider();
LocalSessionPoliciesProvider(const LocalSessionPoliciesProvider&) = delete;
LocalSessionPoliciesProvider& operator=(const LocalSessionPoliciesProvider&) =
delete;
// Calls `callback` whenever the local policies have changed unless
// |send_policy_change_notifications_| is false.
// This is marked `const` to allow a holder of a const reference or pointer of
// `this` to add callbacks but not change the local policies.
base::CallbackListSubscription AddLocalPoliciesChangedCallback(
LocalPoliciesChangedCallback callback) const;
const SessionPolicies& get_local_policies() const { return local_policies_; }
// Sets the local policies. If the new policies are equal to the previous
// policies LocalPoliciesChanged callbacks will not be notified.
void set_local_policies(const SessionPolicies& policies);
// Sets a value to indicate whether to send a notification when local policies
// have changed.
void send_policy_change_notifications(bool send_notifications) {
send_policy_change_notifications_ = send_notifications;
}
private:
// Indicates whether to send notifications when the local policies have
// changed. This is used for cases where the initial policies should be used
// but subsequent changes should be ignored such as for admin sessions on
// Chrome OS.
bool send_policy_change_notifications_ = true;
// The set of policies retrieved from the local machine.
SessionPolicies local_policies_;
// Mutable to allow const access from `AddLocalPoliciesChangedCallback()`.
mutable LocalPoliciesChangedCallbackList local_policies_changed_callbacks_;
};
} // namespace remoting
#endif // REMOTING_BASE_LOCAL_SESSION_POLICIES_PROVIDER_H_
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