TnbMfcPowerListener.h

[詳解]

#pragma once
#include "TnbMfcCommon.h"
 
 
 
#ifndef __AFX_H__
 #error
#endif
 
 
 
//TNB Library
namespace TNB {
namespace MFC {
 
 
template<typename TYP = CDialog>
class CPowerListenerAddinT : public TYP
{
    DEFSUPER(TYP);
protected:
 
    virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
    {
        if ( message == WM_QUERYENDSESSION )
        {
            return CanLogoff();
        }
        else if ( message == WM_ENDSESSION )
        {
            if ( wParam != 0 )
            {
                OnLogoff();
            }
            else
            {
                OnCancelLogoff();
            }
            return 0;
        }
        else if ( message == WM_POWERBROADCAST )
        {
            switch ( wParam )
            {
            case PBT_APMQUERYSUSPEND:   // サスペンド問い合わせ
                return CanSuspend() ? TRUE : BROADCAST_QUERY_DENY;
            case PBT_APMQUERYSUSPENDFAILED: //サスペンドキャンセル
                OnCancelSuspend();
                break;
            case PBT_APMSUSPEND:        //サスペンド開始。拒否できません。
                OnSuspend();
                break;
            case PBT_APMRESUMESUSPEND:  //レジューム。
                OnResumeSuspend();
                break;
            }
            return 0;
        }
        return _super::WindowProc(message, wParam, lParam);
    }
public:
 
    CPowerListenerAddinT(void) : _super()
    {
    }
 
    CPowerListenerAddinT(LPCTSTR lpszTemplateName, CWnd* pParentWnd = NULL) 
        : _super(lpszTemplateName, pParentWnd)
    {
    }
 
    CPowerListenerAddinT(UINT nIDTemplate, CWnd* pParentWnd = NULL) 
        : _super(nIDTemplate, pParentWnd)
    {
    }
 
    virtual ~CPowerListenerAddinT(void)
    {
        ::SetThreadExecutionState(ES_CONTINUOUS);
    }
 
    void SaveSuspendMode(void)
    {
        ::SetThreadExecutionState(ES_SYSTEM_REQUIRED | ES_DISPLAY_REQUIRED | ES_CONTINUOUS);
    }
    
    void NormalSuspendMode(void)
    {
        ::SetThreadExecutionState(ES_CONTINUOUS);
    }
    
    virtual bool CanLogoff(void) = 0;
 
    virtual void OnCancelLogoff(void) = 0;
 
    virtual void OnLogoff(void) = 0;
 
    virtual bool CanSuspend(void) = 0;
 
    virtual void OnCancelSuspend(void) = 0;
 
    virtual void OnSuspend(void) = 0;
 
    virtual void OnResumeSuspend(void) = 0;
};
 
 
 
}; //MFC
}; //TNB