1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CHROME_BROWSER_IDLE_H_ 6#define CHROME_BROWSER_IDLE_H_ 7 8#include "base/callback.h" 9 10enum IdleState { 11 IDLE_STATE_ACTIVE = 0, 12 IDLE_STATE_IDLE = 1, // No activity within threshold. 13 IDLE_STATE_LOCKED = 2, // Only available on supported systems. 14 IDLE_STATE_UNKNOWN = 3 // Used when waiting for the Idle state or in error 15 // conditions 16}; 17 18// For MacOSX, InitIdleMonitor needs to be called first to setup the monitor. 19#if defined(OS_MACOSX) 20void InitIdleMonitor(); 21#endif 22 23typedef base::Callback<void(IdleState)> IdleCallback; 24typedef base::Callback<void(int)> IdleTimeCallback; 25 26// Calculate the Idle state and notify the callback. |idle_threshold| is the 27// amount of time (in seconds) before considered idle. |notify| is 28// asynchronously called on some platforms. 29void CalculateIdleState(int idle_threshold, IdleCallback notify); 30 31// Calculate Idle time in seconds and notify the callback 32void CalculateIdleTime(IdleTimeCallback notify); 33 34// Checks synchronously if Idle state is IDLE_STATE_LOCKED. 35bool CheckIdleStateIsLocked(); 36 37#endif // CHROME_BROWSER_IDLE_H_ 38