Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 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 | #include "chrome/browser/idle.h" |
| 6 | |
| 7 | #include <ApplicationServices/ApplicationServices.h> |
| 8 | #import <Cocoa/Cocoa.h> |
| 9 | |
| 10 | @interface MacScreenMonitor : NSObject { |
| 11 | @private |
| 12 | BOOL screensaverRunning_; |
| 13 | BOOL screenLocked_; |
| 14 | } |
| 15 | |
| 16 | @property (readonly, |
| 17 | nonatomic, |
| 18 | getter=isScreensaverRunning) BOOL screensaverRunning; |
| 19 | @property (readonly, nonatomic, getter=isScreenLocked) BOOL screenLocked; |
| 20 | |
| 21 | @end |
| 22 | |
| 23 | @implementation MacScreenMonitor |
| 24 | |
| 25 | @synthesize screensaverRunning = screensaverRunning_; |
| 26 | @synthesize screenLocked = screenLocked_; |
| 27 | |
| 28 | - (id)init { |
| 29 | if ((self = [super init])) { |
| 30 | NSDistributedNotificationCenter* distCenter = |
| 31 | [NSDistributedNotificationCenter defaultCenter]; |
| 32 | [distCenter addObserver:self |
| 33 | selector:@selector(onScreenSaverStarted:) |
| 34 | name:@"com.apple.screensaver.didstart" |
| 35 | object:nil]; |
| 36 | [distCenter addObserver:self |
| 37 | selector:@selector(onScreenSaverStopped:) |
| 38 | name:@"com.apple.screensaver.didstop" |
| 39 | object:nil]; |
| 40 | [distCenter addObserver:self |
| 41 | selector:@selector(onScreenLocked:) |
| 42 | name:@"com.apple.screenIsLocked" |
| 43 | object:nil]; |
| 44 | [distCenter addObserver:self |
| 45 | selector:@selector(onScreenUnlocked:) |
| 46 | name:@"com.apple.screenIsUnlocked" |
| 47 | object:nil]; |
| 48 | } |
| 49 | return self; |
| 50 | } |
| 51 | |
| 52 | - (void)dealloc { |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 53 | [[NSDistributedNotificationCenter defaultCenter] removeObserver:self]; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 54 | [super dealloc]; |
| 55 | } |
| 56 | |
| 57 | - (void)onScreenSaverStarted:(NSNotification*)notification { |
| 58 | screensaverRunning_ = YES; |
| 59 | } |
| 60 | |
| 61 | - (void)onScreenSaverStopped:(NSNotification*)notification { |
| 62 | screensaverRunning_ = NO; |
| 63 | } |
| 64 | |
| 65 | - (void)onScreenLocked:(NSNotification*)notification { |
| 66 | screenLocked_ = YES; |
| 67 | } |
| 68 | |
| 69 | - (void)onScreenUnlocked:(NSNotification*)notification { |
| 70 | screenLocked_ = NO; |
| 71 | } |
| 72 | |
| 73 | @end |
| 74 | |
| 75 | static MacScreenMonitor* g_screenMonitor = nil; |
| 76 | |
| 77 | void InitIdleMonitor() { |
| 78 | if (!g_screenMonitor) |
| 79 | g_screenMonitor = [[MacScreenMonitor alloc] init]; |
| 80 | } |
| 81 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 82 | void CalculateIdleTime(IdleTimeCallback notify) { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 83 | CFTimeInterval idle_time = CGEventSourceSecondsSinceLastEventType( |
| 84 | kCGEventSourceStateCombinedSessionState, |
| 85 | kCGAnyInputEventType); |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 86 | notify.Run(static_cast<int>(idle_time)); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 87 | } |
| 88 | |
| 89 | bool CheckIdleStateIsLocked() { |
| 90 | return [g_screenMonitor isScreensaverRunning] || |
| 91 | [g_screenMonitor isScreenLocked]; |
| 92 | } |