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// Copyright (c) 2012 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 CHROMEOS_DBUS_ROOT_POWER_MANAGER_CLIENT_H_
#define CHROMEOS_DBUS_ROOT_POWER_MANAGER_CLIENT_H_
#include <string>
#include "base/basictypes.h"
#include "base/callback.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/dbus/dbus_client_implementation_type.h"
namespace dbus {
class Bus;
}
namespace chromeos {
class RootPowerManagerObserver;
// RootPowerManagerClient is used to communicate with the powerm process.
class CHROMEOS_EXPORT RootPowerManagerClient {
public:
// Adds and removes observers.
virtual void AddObserver(RootPowerManagerObserver* observer) = 0;
virtual void RemoveObserver(RootPowerManagerObserver* observer) = 0;
virtual bool HasObserver(RootPowerManagerObserver* observer) = 0;
// Creates the instance.
static RootPowerManagerClient* Create(DBusClientImplementationType type,
dbus::Bus* bus);
virtual ~RootPowerManagerClient();
protected:
// Create() should be used instead.
RootPowerManagerClient();
private:
DISALLOW_COPY_AND_ASSIGN(RootPowerManagerClient);
};
} // namespace chromeos
#endif // CHROMEOS_DBUS_ROOT_POWER_MANAGER_CLIENT_H_
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