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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/idle/idle.h"
#include <ApplicationServices/ApplicationServices.h>
#import <Cocoa/Cocoa.h>
#include "ui/base/idle/idle_internal.h"
@interface MacScreenMonitor : NSObject
@property(readonly, nonatomic, getter=isScreensaverRunning)
BOOL screensaverRunning;
@property(readonly, nonatomic, getter=isScreenLocked) BOOL screenLocked;
@end
@implementation MacScreenMonitor
@synthesize screensaverRunning = _screensaverRunning;
@synthesize screenLocked = _screenLocked;
- (instancetype)init {
if ((self = [super init])) {
NSDistributedNotificationCenter* distCenter =
NSDistributedNotificationCenter.defaultCenter;
[distCenter addObserver:self
selector:@selector(onScreenSaverStarted:)
name:@"com.apple.screensaver.didstart"
object:nil];
[distCenter addObserver:self
selector:@selector(onScreenSaverStopped:)
name:@"com.apple.screensaver.didstop"
object:nil];
[distCenter addObserver:self
selector:@selector(onScreenLocked:)
name:@"com.apple.screenIsLocked"
object:nil];
[distCenter addObserver:self
selector:@selector(onScreenUnlocked:)
name:@"com.apple.screenIsUnlocked"
object:nil];
}
return self;
}
- (void)dealloc {
[NSDistributedNotificationCenter.defaultCenter removeObserver:self];
}
- (void)onScreenSaverStarted:(NSNotification*)notification {
_screensaverRunning = YES;
}
- (void)onScreenSaverStopped:(NSNotification*)notification {
_screensaverRunning = NO;
}
- (void)onScreenLocked:(NSNotification*)notification {
_screenLocked = YES;
}
- (void)onScreenUnlocked:(NSNotification*)notification {
_screenLocked = NO;
}
@end
namespace ui {
namespace {
static MacScreenMonitor* g_screenMonitor = nil;
} // namespace
void InitIdleMonitor() {
if (!g_screenMonitor)
g_screenMonitor = [[MacScreenMonitor alloc] init];
}
int CalculateIdleTime() {
CFTimeInterval idle_time = CGEventSourceSecondsSinceLastEventType(
kCGEventSourceStateCombinedSessionState,
kCGAnyInputEventType);
return static_cast<int>(idle_time);
}
bool CheckIdleStateIsLocked() {
if (IdleStateForTesting().has_value())
return IdleStateForTesting().value() == IDLE_STATE_LOCKED;
return g_screenMonitor.screensaverRunning || g_screenMonitor.screenLocked;
}
} // namespace ui
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