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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 CHROME_BROWSER_IDLE_H_
#define CHROME_BROWSER_IDLE_H_
#include "base/callback.h"
enum IdleState {
IDLE_STATE_ACTIVE = 0,
IDLE_STATE_IDLE = 1, // No activity within threshold.
IDLE_STATE_LOCKED = 2, // Only available on supported systems.
IDLE_STATE_UNKNOWN = 3 // Used when waiting for the Idle state or in error
// conditions
};
// For MacOSX, InitIdleMonitor needs to be called first to setup the monitor.
// StopIdleMonitor should be called if it is not needed any more.
#if defined(OS_MACOSX)
void InitIdleMonitor();
void StopIdleMonitor();
#endif
typedef base::Callback<void(IdleState)> IdleCallback;
// Calculate the Idle state and notify the callback.
void CalculateIdleState(unsigned int idle_threshold, IdleCallback notify);
// Checks synchronously if Idle state is IDLE_STATE_LOCKED.
bool CheckIdleStateIsLocked();
#endif // CHROME_BROWSER_IDLE_H_
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