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comparison foosdk/sdk/libPPUI/CPowerRequest.cpp @ 1:20d02a178406 default tip

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author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #include "stdafx.h"
2
3 #include "CPowerRequest.h"
4
5 #ifdef CPowerRequestAPI_Avail
6
7 class CPowerRequestAPI {
8 public:
9 static void ToggleSystem(HANDLE hRequest, bool bSystem) {
10 Toggle(hRequest, bSystem, PowerRequestSystemRequired);
11 }
12
13 static void ToggleExecution(HANDLE hRequest, bool bSystem) {
14 const POWER_REQUEST_TYPE RequestType = IsWindows8OrGreater() ? PowerRequestExecutionRequired : PowerRequestSystemRequired;
15 Toggle(hRequest, bSystem, RequestType);
16 }
17
18 static void ToggleDisplay(HANDLE hRequest, bool bDisplay) {
19 Toggle(hRequest, bDisplay, PowerRequestDisplayRequired);
20 }
21
22 static void Toggle(HANDLE hRequest, bool bToggle, POWER_REQUEST_TYPE what) {
23 if (bToggle) {
24 PowerSetRequest(hRequest, what);
25 } else {
26 PowerClearRequest(hRequest, what);
27 }
28 }
29 };
30
31 CPowerRequest::CPowerRequest(const wchar_t * Reason) : m_Request(INVALID_HANDLE_VALUE), m_bSystem(), m_bDisplay() {
32 REASON_CONTEXT ctx = {POWER_REQUEST_CONTEXT_VERSION, POWER_REQUEST_CONTEXT_SIMPLE_STRING};
33 ctx.Reason.SimpleReasonString = const_cast<wchar_t*>(Reason);
34 m_Request = PowerCreateRequest(&ctx);
35 }
36
37 void CPowerRequest::SetSystem(bool bSystem) {
38 if (bSystem == m_bSystem) return;
39 m_bSystem = bSystem;
40 if (m_Request != INVALID_HANDLE_VALUE) {
41 CPowerRequestAPI::ToggleSystem( m_Request, bSystem );
42 }
43 }
44
45 void CPowerRequest::SetExecution(bool bExecution) {
46 if (bExecution == m_bSystem) return;
47 m_bSystem = bExecution;
48 if (m_Request != INVALID_HANDLE_VALUE) {
49 CPowerRequestAPI::ToggleExecution( m_Request, bExecution );
50 }
51 }
52
53 void CPowerRequest::SetDisplay(bool bDisplay) {
54 if (bDisplay == m_bDisplay) return;
55 m_bDisplay = bDisplay;
56 if (m_Request != INVALID_HANDLE_VALUE) {
57 CPowerRequestAPI::ToggleDisplay(m_Request, bDisplay);
58 }
59 }
60
61 CPowerRequest::~CPowerRequest() {
62 if (m_Request != INVALID_HANDLE_VALUE) {
63 CloseHandle(m_Request);
64 }
65 }
66
67 #endif // _WIN32
68