PowerManager/PowerManager.cpp
changeset 159 e7c8c2b500bd
child 160 de942d321cfb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/PowerManager/PowerManager.cpp	Thu Sep 24 21:39:05 2015 +0200
     1.3 @@ -0,0 +1,142 @@
     1.4 +// This is the main DLL file.
     1.5 +
     1.6 +#include "stdafx.h"
     1.7 +
     1.8 +#include "PowerManager.h"
     1.9 +
    1.10 +using namespace System::Diagnostics;
    1.11 +
    1.12 +namespace PowerManager
    1.13 +{
    1.14 +    ///
    1.15 +    PowerSettingNotifier::PowerSettingNotifier(IntPtr aHandle, Boolean aService)
    1.16 +    {
    1.17 +        Construct(aHandle, aService);
    1.18 +    }
    1.19 +
    1.20 +    ///
    1.21 +    PowerSettingNotifier::PowerSettingNotifier(IntPtr aHandle)
    1.22 +    {
    1.23 +        //By default we assume we run as a Window
    1.24 +        Construct(aHandle, false);
    1.25 +    }
    1.26 +
    1.27 +    ///
    1.28 +    void PowerSettingNotifier::Construct(IntPtr aHandle, Boolean aService)
    1.29 +    {
    1.30 +        iHandle = aHandle;
    1.31 +        iIsService = aService;
    1.32 +        iMonitorPowerOnDelegate = nullptr;
    1.33 +        iMonitorPowerOffDelegate = nullptr;
    1.34 +        iMonitorPowerObserverCount = 0;
    1.35 +    }
    1.36 +
    1.37 +    ///
    1.38 +    Boolean PowerSettingNotifier::RegisterPowerSettingNotification(IntPtr aHandle, Boolean aService)
    1.39 +	{
    1.40 +        HANDLE handle = aHandle.ToPointer();        
    1.41 +        HPOWERNOTIFY res=::RegisterPowerSettingNotification(handle, &GUID_MONITOR_POWER_ON, (aService?DEVICE_NOTIFY_SERVICE_HANDLE:DEVICE_NOTIFY_WINDOW_HANDLE));
    1.42 +        return (res != NULL);
    1.43 +	};
    1.44 +
    1.45 +    /// 
    1.46 +    Boolean PowerSettingNotifier::RegisterPowerSettingNotification(IntPtr aHandle)
    1.47 +    {
    1.48 +        return RegisterPowerSettingNotification(aHandle,false);
    1.49 +    };
    1.50 +
    1.51 +    ///
    1.52 +    void PowerSettingNotifier::WndProc(Message% aMessage)
    1.53 +    {
    1.54 +        POWERBROADCAST_SETTING* setting;
    1.55 +
    1.56 +        if (aMessage.Msg == WM_POWERBROADCAST && aMessage.WParam.ToInt32() == PBT_POWERSETTINGCHANGE)
    1.57 +        {
    1.58 +            setting=(POWERBROADCAST_SETTING*)aMessage.LParam.ToPointer();
    1.59 +            if (setting->PowerSetting == GUID_MONITOR_POWER_ON)
    1.60 +            {
    1.61 +                if (setting->Data[0] == 0x0)
    1.62 +                {
    1.63 +                    Debug::WriteLine(L"POWERBROADCAST: Monitor Power Off");
    1.64 +                    OnMonitorPowerOff();
    1.65 +                }
    1.66 +                else if (setting->Data[0] == 0x1)
    1.67 +                {
    1.68 +                    Debug::WriteLine(L"POWERBROADCAST: Monitor Power On");
    1.69 +                    OnMonitorPowerOn();
    1.70 +                }
    1.71 +            }
    1.72 +        }
    1.73 +
    1.74 +
    1.75 +    }
    1.76 +
    1.77 +    ///
    1.78 +    void PowerSettingNotifier::OnMonitorPowerOn::add(PowerManagerDelegate^ d)
    1.79 +    {
    1.80 +        iMonitorPowerOnDelegate += d;
    1.81 +        iMonitorPowerObserverCount++;
    1.82 +        //iMonitorPowerOnDelegate->GetInvocationList()->GetLength(0)
    1.83 +        if (iMonitorPowerObserverCount == 1)
    1.84 +        {
    1.85 +            //TODO: register
    1.86 +            RegisterPowerSettingNotification(iHandle,iIsService);
    1.87 +        }
    1.88 +
    1.89 +    }
    1.90 +
    1.91 +    ///
    1.92 +    void PowerSettingNotifier::OnMonitorPowerOn::remove(PowerManagerDelegate^ d)
    1.93 +    {
    1.94 +        iMonitorPowerOnDelegate -= d;
    1.95 +        iMonitorPowerObserverCount--;
    1.96 +        if (iMonitorPowerObserverCount==0)
    1.97 +        {
    1.98 +            //TODO: unregister
    1.99 +        }
   1.100 +    }
   1.101 +
   1.102 +    //
   1.103 +    void PowerSettingNotifier::OnMonitorPowerOn::raise()
   1.104 +    {        
   1.105 +        if (iMonitorPowerOnDelegate != nullptr)
   1.106 +        {
   1.107 +            iMonitorPowerOnDelegate->Invoke();
   1.108 +        }
   1.109 +    }
   1.110 +
   1.111 +    ///
   1.112 +    void PowerSettingNotifier::OnMonitorPowerOff::add(PowerManagerDelegate^ d)
   1.113 +    {
   1.114 +        iMonitorPowerOffDelegate += d;
   1.115 +        iMonitorPowerObserverCount++;
   1.116 +        if (iMonitorPowerObserverCount == 1)
   1.117 +        {
   1.118 +            //TODO: register
   1.119 +            RegisterPowerSettingNotification(iHandle, iIsService);
   1.120 +        }
   1.121 +    }
   1.122 +
   1.123 +    ///
   1.124 +    void PowerSettingNotifier::OnMonitorPowerOff::remove(PowerManagerDelegate^ d)
   1.125 +    {
   1.126 +        iMonitorPowerOffDelegate -= d;
   1.127 +        iMonitorPowerObserverCount--;
   1.128 +        if (iMonitorPowerObserverCount == 0)
   1.129 +        {
   1.130 +            //TODO: unregister
   1.131 +        }
   1.132 +    }
   1.133 +
   1.134 +    //
   1.135 +    void PowerSettingNotifier::OnMonitorPowerOff::raise()
   1.136 +    {
   1.137 +        if (iMonitorPowerOffDelegate != nullptr)
   1.138 +        {
   1.139 +            iMonitorPowerOffDelegate->Invoke();
   1.140 +        }        
   1.141 +    }
   1.142 +
   1.143 +
   1.144 +
   1.145 +}
   1.146 \ No newline at end of file