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// Copyright 2023 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"
#import <UIKit/UIKit.h>
#include "base/notreached.h"
#include "ui/base/idle/idle_internal.h"
@interface IOSScreenMonitor : NSObject
@property(readonly, nonatomic, getter=isAppInBackground) BOOL appInBackground;
@property(readonly, nonatomic, getter=isDeviceLocked) BOOL deviceLocked;
@end
@implementation IOSScreenMonitor
@synthesize appInBackground = _appInBackground;
@synthesize deviceLocked = _deviceLocked;
- (instancetype)init {
if ((self = [super init])) {
NSNotificationCenter* defaultCenter = NSNotificationCenter.defaultCenter;
[defaultCenter addObserver:self
selector:@selector(onAppDidEnterBackground:)
name:UIApplicationDidEnterBackgroundNotification
object:nil];
[defaultCenter addObserver:self
selector:@selector(onAppWillEnterForeground:)
name:UIApplicationWillEnterForegroundNotification
object:nil];
[defaultCenter addObserver:self
selector:@selector(onDeviceLocked:)
name:UIApplicationProtectedDataWillBecomeUnavailable
object:nil];
[defaultCenter addObserver:self
selector:@selector(onDeviceUnlocked:)
name:UIApplicationProtectedDataDidBecomeAvailable
object:nil];
}
return self;
}
- (void)dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
- (void)onAppDidEnterBackground:(NSNotification*)notification {
_appInBackground = YES;
}
- (void)onAppWillEnterForeground:(NSNotification*)notification {
_appInBackground = NO;
}
- (void)onDeviceLocked:(NSNotification*)notification {
_deviceLocked = YES;
}
- (void)onDeviceUnlocked:(NSNotification*)notification {
_deviceLocked = NO;
}
@end
namespace ui {
namespace {
static IOSScreenMonitor* g_screenMonitor = nil;
} // namespace
void InitIdleMonitor() {
if (!g_screenMonitor) {
g_screenMonitor = [[IOSScreenMonitor alloc] init];
}
}
int CalculateIdleTime() {
// TODO(crbug.com/40255110): Implement this.
NOTIMPLEMENTED();
return 0;
}
bool CheckIdleStateIsLocked() {
if (IdleStateForTesting().has_value()) {
return IdleStateForTesting().value() == IDLE_STATE_LOCKED;
}
return g_screenMonitor.appInBackground || g_screenMonitor.deviceLocked;
}
} // namespace ui
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