blob: ff4c309afc3f6bd23a1d147d9dfc2411445a7451 [file] [log] [blame]
// Copyright (c) 2012 The Chromium OS 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 SHILL_POWER_MANAGER_PROXY_
#define SHILL_POWER_MANAGER_PROXY_
// An implementation of PowerManagerProxyInterface. It connects to the dbus and
// listens for events from the power manager. When they occur, the delegate's
// member functions are called.
// Do not instantiate this class directly. use
// ProxyFactory::CreatePowerManagerProxy instead.
#include <stdint.h>
#include <string>
#include <vector>
#include <base/compiler_specific.h>
#include "shill/dbus_bindings/power_manager.h"
#include "shill/power_manager_proxy_interface.h"
#include "shill/proxy_factory.h"
namespace shill {
class PowerManagerProxy : public PowerManagerProxyInterface {
public:
virtual ~PowerManagerProxy();
// Inherited from PowerManagerProxyInterface.
virtual bool RegisterSuspendDelay(base::TimeDelta timeout,
const std::string &description,
int *delay_id_out) OVERRIDE;
virtual bool UnregisterSuspendDelay(int delay_id) OVERRIDE;
virtual bool ReportSuspendReadiness(int delay_id, int suspend_id) OVERRIDE;
private:
// Only this factory method can create a PowerManagerProxy.
friend PowerManagerProxyInterface *ProxyFactory::CreatePowerManagerProxy(
PowerManagerProxyDelegate *delegate);
class Proxy : public org::chromium::PowerManager_proxy,
public DBus::ObjectProxy {
public:
Proxy(PowerManagerProxyDelegate *delegate,
DBus::Connection *connection);
virtual ~Proxy();
private:
// Signal callbacks inherited from org::chromium::PowerManager_proxy.
virtual void SuspendImminent(const std::vector<uint8_t> &serialized_proto);
virtual void PowerStateChanged(const std::string &new_power_state);
PowerManagerProxyDelegate *const delegate_;
DISALLOW_COPY_AND_ASSIGN(Proxy);
};
// The PowerStateChanged event occurs on this path. The root path ("/") is
// used because the powerd_suspend script sends signals on that path. When
// the powerd_suspend script is fixed to use the same path as the rest of the
// power manager, then this proxy can use the usual power manager path
// power_manager::kPowerManagerServicePath.
static const char kRootPath[];
// Constructs a PowerManager DBus object proxy with signals dispatched to
// |delegate|.
PowerManagerProxy(PowerManagerProxyDelegate *delegate,
DBus::Connection *connection);
Proxy proxy_;
DISALLOW_COPY_AND_ASSIGN(PowerManagerProxy);
};
} // namespace shill
#endif // SHILL_POWER_MANAGER_PROXY_