blob: 815e10d3d8ef170fb44ce941c65b1e955a9c246f [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.
#include <stdint.h>
#include <string>
#include <vector>
#include <base/macros.h>
#include <base/time/time.h>
#include <base/timer/timer.h>
#include "wimax_manager/dbus_proxiable.h"
namespace wimax_manager {
class Manager;
class PowerManagerDBusProxy;
class PowerManager : public DBusProxiable<PowerManager, PowerManagerDBusProxy> {
explicit PowerManager(Manager* wimax_manager);
void Initialize();
void Finalize();
// Synchronously registers a suspend delay with the power manager, assigning
// the delay's ID to |suspend_delay_id_| and setting
// |suspend_delay_registered_| to true on success. |timeout| is the maximum
// amount of time the power manager will wait for the WiMAX manager to
// announce its readiness before suspending the system. |description| is
// a human-readable string describing the delay's purpose.
void RegisterSuspendDelay(base::TimeDelta timeout,
const std::string& description);
// Unregisters |suspend_delay_id_|.
void UnregisterSuspendDelay();
// Invoked when the power manager is about to attempt to suspend the system.
// Prepares the manager for suspend and calls SendHandleSuspendReadiness().
void OnSuspendImminent(const std::vector<uint8_t>& serialized_proto);
// Invoked when the power manager has completed a suspend attempt (possibly
// without actually suspending and resuming if the attempt was canceled by the
// user).
void OnSuspendDone(const std::vector<uint8_t>& serialized_proto);
// Calls the power manager's HandleSuspendReadiness method to report readiness
// for suspend attempt |suspend_id|.
void SendHandleSuspendReadiness(int suspend_id);
// Invoked by |suspend_timeout_timer_| if the power manager doesn't emit a
// SuspendDone signal quickly enough after announcing a suspend attempt.
void ResumeOnSuspendTimedOut();
// Called by OnSuspendDone() and ResumeOnSuspendTimedOut() to handle the
// completion of a suspend attempt.
void HandleResume();
// Is a suspend delay currently registered?
bool suspend_delay_registered_;
// Power-manager-assigned ID representing the delay registered by
// RegisterSuspendDelay().
int suspend_delay_id_;
bool suspended_;
base::OneShotTimer suspend_timeout_timer_;
Manager* wimax_manager_;
} // namespace wimax_manager