1/*
2 * Copyright (c) 1998-2019 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28#include <libkern/c++/OSObject.h>
29#include <IOKit/IOReturn.h>
30
31class IOPMPowerSource;
32
33class IOPMPowerSourceList : public OSObject
34{
35 OSDeclareDefaultStructors(IOPMPowerSourceList);
36private:
37// pointer to first power source in list
38 IOPMPowerSource *firstItem;
39
40// how many power sources are in the list
41 unsigned long length;
42
43public:
44 void initialize(void);
45 void free(void) APPLE_KEXT_OVERRIDE;
46
47 unsigned long numberOfItems(void);
48 IOReturn addToList(IOPMPowerSource *newPowerSource);
49 IOReturn removeFromList(IOPMPowerSource *theItem);
50
51 LIBKERN_RETURNS_NOT_RETAINED IOPMPowerSource *firstInList(void);
52 LIBKERN_RETURNS_NOT_RETAINED IOPMPowerSource *nextInList(IOPMPowerSource *currentItem);
53};
54