Files
MacPass/MacPass/MPLockDaemon.m
2013-07-03 23:40:20 +02:00

107 lines
3.2 KiB
Objective-C

//
// MPLockDaemon.m
// MacPass
//
// Created by Michael Starke on 16.06.13.
// Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
//
#import "MPLockDaemon.h"
#import "MPSettingsHelper.h"
#import "MPAppDelegate.h"
NSString *const MPShouldLockDatabaseNotification = @"com.hicknhack.macpass.MPShouldLockDatabaseNotification";
@interface MPLockDaemon () {
NSTimer *idleCheckTimer;
}
@property (nonatomic,assign) BOOL lockOnSleep;
@property (nonatomic,assign) NSUInteger idleLockTime;
@end
@implementation MPLockDaemon
+ (MPLockDaemon *)sharedInstance {
static id sharedInstance;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedInstance = [[MPLockDaemon alloc] init];
});
return sharedInstance;
}
- (id)init {
self = [super init];
if (self) {
NSString *lockOnSleepKey = [NSString stringWithFormat:@"values.%@", kMPSettingsKeyLockOnSleep];
NSString *idleTimeOutKey = [NSString stringWithFormat:@"values.%@", kMPSettingsKeyIdleLockTimeOut];
NSUserDefaultsController *defaultsController = [NSUserDefaultsController sharedUserDefaultsController];
[self bind:@"lockOnSleep" toObject:defaultsController withKeyPath:lockOnSleepKey options:nil];
[self bind:@"idleLockTime" toObject:defaultsController withKeyPath:idleTimeOutKey options:nil];
}
return self;
}
- (void)dealloc
{
/* Notifications */
[[[NSWorkspace sharedWorkspace] notificationCenter] removeObserver:self];
/* Timer */
[idleCheckTimer invalidate];
}
- (void)setLockOnSleep:(BOOL)lockOnSleep {
if(_lockOnSleep != lockOnSleep) {
_lockOnSleep = lockOnSleep;
NSNotificationCenter *notificationCenter = [[NSWorkspace sharedWorkspace] notificationCenter];
if(_lockOnSleep) {
[notificationCenter addObserver:self selector:@selector(_willSleepNotification:) name:NSWorkspaceWillSleepNotification object:nil];
}
else {
[notificationCenter removeObserver:self];
}
}
}
- (void)setIdleLockTime:(NSUInteger)idleLockTime {
if(_idleLockTime != idleLockTime) {
_idleLockTime = idleLockTime;
if(_idleLockTime == 0) {
[idleCheckTimer invalidate];
idleCheckTimer = nil;
}
else {
if( idleCheckTimer ) {
NSAssert([idleCheckTimer isValid], @"Timer needs to be valid");
[idleCheckTimer setFireDate:[NSDate dateWithTimeIntervalSinceNow:_idleLockTime ]];
return; // Done
}
/* Create new timer and schedule it with runloop */
idleCheckTimer = [NSTimer timerWithTimeInterval:_idleLockTime target:self selector:@selector(_checkIdleTime:) userInfo:nil repeats:YES];
[[NSRunLoop mainRunLoop] addTimer:idleCheckTimer forMode:NSDefaultRunLoopMode];
}
}
}
- (void)_willSleepNotification:(NSNotification *)notification {
[[NSApp delegate] lockAllDocuments];
}
- (void)_checkIdleTime:(NSTimer *)timer {
CFTimeInterval interval = CGEventSourceSecondsSinceLastEventType(kCGEventSourceStateCombinedSessionState,kCGAnyInputEventType);
if(interval >= _idleLockTime) {
[[NSApp delegate] lockAllDocuments];
/* Reset the timer to full intervall */
[idleCheckTimer setFireDate:[NSDate dateWithTimeIntervalSinceNow:_idleLockTime]];
}
else {
[idleCheckTimer setFireDate:[NSDate dateWithTimeIntervalSinceNow:(_idleLockTime - interval) ]];
}
}
@end