CPowerRequestAPI

#include <CPowerRequest.h>

Public Member Functions
	CPowerRequestAPI ()
bool	Bind ()
bool	IsValid ()
HANDLE	PowerCreateRequestNamed (const wchar_t *str)
void	Toggle (HANDLE hRequest, bool bToggle, POWER_REQUEST_TYPE what)
void	ToggleDisplay (HANDLE hRequest, bool bDisplay)
void	ToggleExecution (HANDLE hRequest, bool bSystem)
void	ToggleSystem (HANDLE hRequest, bool bSystem)

Static Public Member Functions
static bool	IsWin8 ()
static WORD	myGetOSVersion ()

Data Fields
pPowerClearRequest_t	PowerClearRequest
pPowerCreateRequest_t	PowerCreateRequest
pPowerSetRequest_t	PowerSetRequest

Static Private Member Functions
template<typename func_t >
static bool	Bind (func_t &f, HMODULE dll, const char *name)

Detailed Description

Definition at line 17 of file CPowerRequest.h.

Constructor & Destructor Documentation

CPowerRequestAPI::CPowerRequestAPI ( )

inline

Definition at line 19 of file CPowerRequest.h.

                       : PowerCreateRequest(), PowerSetRequest(), PowerClearRequest()  {
        Bind();
    }

Member Function Documentation

bool CPowerRequestAPI::Bind ( )

inline

Definition at line 22 of file CPowerRequest.h.

                {
        HMODULE kernel32 = GetModuleHandle(_T("kernel32.dll"));
        return Bind(PowerCreateRequest, kernel32, "PowerCreateRequest")
            && Bind(PowerSetRequest, kernel32, "PowerSetRequest") 
            && Bind(PowerClearRequest, kernel32, "PowerClearRequest") ;
    }

template<typename func_t >

static bool CPowerRequestAPI::Bind ( func_t &  f, HMODULE  dll, const char *  name  )

inlinestaticprivate

Definition at line 67 of file CPowerRequest.h.

                                                                                           {
        f = reinterpret_cast<func_t>(GetProcAddress(dll, name));
        return f != NULL;
    }

bool CPowerRequestAPI::IsValid ( )

inline

Definition at line 28 of file CPowerRequest.h.

{return PowerCreateRequest != NULL;}

static bool CPowerRequestAPI::IsWin8 ( )

inlinestatic

Definition at line 54 of file CPowerRequest.h.

                         {
        auto ver = myGetOSVersion();
        return ver >= 0x602;
    }

static WORD CPowerRequestAPI::myGetOSVersion ( )

inlinestatic

Definition at line 58 of file CPowerRequest.h.

                                 {
        const DWORD ver = GetVersion();
        return (WORD)HIBYTE(LOWORD(ver)) | ((WORD)LOBYTE(LOWORD(ver)) << 8);
    }

HANDLE CPowerRequestAPI::PowerCreateRequestNamed

(

const wchar_t *

str

)

Definition at line 32 of file CPowerRequest.cpp.

                                                                      {
    winapi_substitute::REASON_CONTEXT ctx = {POWER_REQUEST_CONTEXT_VERSION, POWER_REQUEST_CONTEXT_SIMPLE_STRING};
    ctx.Reason.SimpleReasonString = const_cast<wchar_t*>(str);
    return this->PowerCreateRequest(&ctx);
}

void CPowerRequestAPI::Toggle ( HANDLE  hRequest, bool  bToggle, POWER_REQUEST_TYPE  what  )

inline

Definition at line 44 of file CPowerRequest.h.

                                                                        {
        if (bToggle) {
            PowerSetRequest(hRequest, what);
        } else {
            PowerClearRequest(hRequest, what);
        }

    }

void CPowerRequestAPI::ToggleDisplay ( HANDLE  hRequest, bool  bDisplay  )

inline

Definition at line 40 of file CPowerRequest.h.

                                                       {
        Toggle(hRequest, bDisplay, PowerRequestDisplayRequired);
    }

void CPowerRequestAPI::ToggleExecution ( HANDLE  hRequest, bool  bSystem  )

inline

Definition at line 34 of file CPowerRequest.h.

                                                        {
        const POWER_REQUEST_TYPE _PowerRequestExecutionRequired = (POWER_REQUEST_TYPE)3;
        const POWER_REQUEST_TYPE RequestType = IsWin8() ? _PowerRequestExecutionRequired : PowerRequestSystemRequired;
        Toggle(hRequest, bSystem, RequestType);
    }

void CPowerRequestAPI::ToggleSystem ( HANDLE  hRequest, bool  bSystem  )

inline

Definition at line 30 of file CPowerRequest.h.

                                                     {
        Toggle(hRequest, bSystem, PowerRequestSystemRequired);
    }

Field Documentation

pPowerClearRequest_t CPowerRequestAPI::PowerClearRequest

Definition at line 65 of file CPowerRequest.h.

pPowerCreateRequest_t CPowerRequestAPI::PowerCreateRequest

Definition at line 63 of file CPowerRequest.h.

pPowerSetRequest_t CPowerRequestAPI::PowerSetRequest

Definition at line 64 of file CPowerRequest.h.

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The documentation for this class was generated from the following files:

• foobar2000/helpers/CPowerRequest.h
• foobar2000/helpers/CPowerRequest.cpp