source: trunk/Cocoa/Pester/Source/PSPowerManager.m@ 625

Last change on this file since 625 was 602, checked in by Nicholas Riley, 15 years ago

Rename variables which shadow stdlib functions (and maxSize).

File size: 2.5 KB
Line 
1//
2// PSPowerManager.m
3// Pester
4//
5// Created by Nicholas Riley on Mon Dec 23 2002.
6// Copyright (c) 2002 Nicholas Riley. All rights reserved.
7//
8
9#import "PSPowerManager.h"
10
11#import <IOKit/pwr_mgt/IOPMLib.h>
12#import <IOKit/IOMessage.h>
13
14@implementation PSPowerManager
15
16+ (BOOL)autoWakeSupported;
17{
18 // XXX imagine it's supported on all machines that support 10.4
19 return NO; // XXX temporary for 1.1b5
20}
21
22+ (void)setWakeTime:(NSDate *)wakeTime;
23{
24 IOPMSchedulePowerEvent((CFDateRef)wakeTime, (CFStringRef)[[NSBundle mainBundle] bundleIdentifier], CFSTR(kIOPMAutoWake));
25}
26
27+ (void)clearWakeTime;
28{
29 // XXX implement (IOPMCancelScheduledPowerEvent)
30}
31
32// modified from RegisterForSleep sample code
33
34- (void)_messageReceived:(natural_t)messageType withArgument:(void *)messageArgument;
35{
36 switch (messageType) {
37 case kIOMessageSystemWillSleep:
38 if ([delegate respondsToSelector: @selector(powerManagerWillDemandSleep:)]) {
39 [delegate powerManagerWillDemandSleep: self];
40 IOAllowPowerChange(root_port, (long)messageArgument);
41 }
42 break;
43 case kIOMessageCanSystemSleep:
44 if ([delegate respondsToSelector: @selector(powerManagerShouldIdleSleep:)]) {
45 if ([delegate powerManagerShouldIdleSleep: self]) {
46 IOAllowPowerChange(root_port, (long)messageArgument);
47 } else {
48 IOCancelPowerChange(root_port, (long)messageArgument);
49 }
50 }
51 break;
52 case kIOMessageSystemHasPoweredOn:
53 if ([delegate respondsToSelector: @selector(powerManagerDidWake:)])
54 [delegate powerManagerDidWake: self];
55 break;
56 }
57}
58
59void
60powerCallback(void *refCon, io_service_t service, natural_t messageType, void *messageArgument)
61{
62 [(PSPowerManager *)refCon _messageReceived: messageType withArgument: messageArgument];
63}
64
65- (id)initWithDelegate:(id)aDelegate;
66{
67 if ( (self = [super init]) != nil) {
68 IONotificationPortRef notificationPort;
69
70 delegate = [aDelegate retain];
71 root_port = IORegisterForSystemPower(self, &notificationPort, powerCallback, &notifier);
72 NSAssert(root_port != 0, @"IORegisterForSystemPower failed");
73
74 CFRunLoopAddSource(CFRunLoopGetCurrent(), IONotificationPortGetRunLoopSource(notificationPort), kCFRunLoopDefaultMode);
75 }
76 return self;
77}
78
79- (void)dealloc;
80{
81 IODeregisterForSystemPower(&notifier);
82 [delegate release];
83 [super dealloc];
84}
85
86@end
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