| [53] | 1 | //
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| 2 | // PSPowerManager.m
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| 3 | // Pester
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| 4 | //
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| 5 | // Created by Nicholas Riley on Mon Dec 23 2002.
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| 6 | // Copyright (c) 2002 Nicholas Riley. All rights reserved.
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| 7 | //
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| 8 |
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| 9 | #import "PSPowerManager.h"
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| 10 |
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| 11 | #import <IOKit/pwr_mgt/IOPMLib.h>
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| 12 | #import <IOKit/IOMessage.h>
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| 13 |
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| 14 | @implementation PSPowerManager
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| 15 |
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| 16 | + (BOOL)autoWakeSupported;
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| 17 | {
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| [355] | 18 | // XXX imagine it's supported on all machines that support 10.4
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| [361] | 19 | return NO; // XXX temporary for 1.1b5
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| [53] | 20 | }
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| 21 |
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| [602] | 22 | + (void)setWakeTime:(NSDate *)wakeTime;
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| [103] | 23 | {
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| [602] | 24 | IOPMSchedulePowerEvent((CFDateRef)wakeTime, (CFStringRef)[[NSBundle mainBundle] bundleIdentifier], CFSTR(kIOPMAutoWake));
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| [103] | 25 | }
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| 26 |
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| [53] | 27 | + (void)clearWakeTime;
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| 28 | {
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| [355] | 29 | // XXX implement (IOPMCancelScheduledPowerEvent)
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| [53] | 30 | }
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| 31 |
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| 32 | // modified from RegisterForSleep sample code
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| 33 |
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| 34 | - (void)_messageReceived:(natural_t)messageType withArgument:(void *)messageArgument;
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| 35 | {
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| 36 | switch (messageType) {
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| 37 | case kIOMessageSystemWillSleep:
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| [61] | 38 | if ([delegate respondsToSelector: @selector(powerManagerWillDemandSleep:)]) {
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| 39 | [delegate powerManagerWillDemandSleep: self];
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| 40 | IOAllowPowerChange(root_port, (long)messageArgument);
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| 41 | }
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| [53] | 42 | break;
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| 43 | case kIOMessageCanSystemSleep:
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| [61] | 44 | if ([delegate respondsToSelector: @selector(powerManagerShouldIdleSleep:)]) {
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| 45 | if ([delegate powerManagerShouldIdleSleep: self]) {
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| [53] | 46 | IOAllowPowerChange(root_port, (long)messageArgument);
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| 47 | } else {
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| 48 | IOCancelPowerChange(root_port, (long)messageArgument);
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| 49 | }
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| 50 | }
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| 51 | break;
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| 52 | case kIOMessageSystemHasPoweredOn:
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| 53 | if ([delegate respondsToSelector: @selector(powerManagerDidWake:)])
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| 54 | [delegate powerManagerDidWake: self];
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| 55 | break;
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| 56 | }
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| 57 | }
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| 58 |
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| 59 | void
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| 60 | powerCallback(void *refCon, io_service_t service, natural_t messageType, void *messageArgument)
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| 61 | {
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| 62 | [(PSPowerManager *)refCon _messageReceived: messageType withArgument: messageArgument];
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| 63 | }
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| 64 |
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| 65 | - (id)initWithDelegate:(id)aDelegate;
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| 66 | {
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| 67 | if ( (self = [super init]) != nil) {
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| 68 | IONotificationPortRef notificationPort;
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| 69 |
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| 70 | delegate = [aDelegate retain];
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| 71 | root_port = IORegisterForSystemPower(self, ¬ificationPort, powerCallback, ¬ifier);
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| [355] | 72 | NSAssert(root_port != 0, @"IORegisterForSystemPower failed");
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| [53] | 73 |
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| 74 | CFRunLoopAddSource(CFRunLoopGetCurrent(), IONotificationPortGetRunLoopSource(notificationPort), kCFRunLoopDefaultMode);
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| 75 | }
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| 76 | return self;
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| 77 | }
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| 78 |
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| 79 | - (void)dealloc;
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| 80 | {
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| 81 | IODeregisterForSystemPower(¬ifier);
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| 82 | [delegate release];
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| 83 | [super dealloc];
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| 84 | }
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| 85 |
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| 86 | @end |
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