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 10 enum 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) 20 void InitIdleMonitor(); 21 #endif 22 23 typedef base::Callback<void(IdleState)> IdleCallback; 24 typedef 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. 29 void CalculateIdleState(int idle_threshold, IdleCallback notify); 30 31 // Calculate Idle time in seconds and notify the callback 32 void CalculateIdleTime(IdleTimeCallback notify); 33 34 // Checks synchronously if Idle state is IDLE_STATE_LOCKED. 35 bool CheckIdleStateIsLocked(); 36 37 #endif // CHROME_BROWSER_IDLE_H_ 38