SharpDisplayManager: PowerManager/PowerManager.cpp@e7c8c2b500bd

     1 // This is the main DLL file.

     3 #include "stdafx.h"

     5 #include "PowerManager.h"

     7 using namespace System::Diagnostics;

     9 namespace PowerManager

    10 {

    11     ///

    12     PowerSettingNotifier::PowerSettingNotifier(IntPtr aHandle, Boolean aService)

    13     {

    14         Construct(aHandle, aService);

    15     }

    17     ///

    18     PowerSettingNotifier::PowerSettingNotifier(IntPtr aHandle)

    19     {

    20         //By default we assume we run as a Window

    21         Construct(aHandle, false);

    22     }

    24     ///

    25     void PowerSettingNotifier::Construct(IntPtr aHandle, Boolean aService)

    26     {

    27         iHandle = aHandle;

    28         iIsService = aService;

    29         iMonitorPowerOnDelegate = nullptr;

    30         iMonitorPowerOffDelegate = nullptr;

    31         iMonitorPowerObserverCount = 0;

    32     }

    34     ///

    35     Boolean PowerSettingNotifier::RegisterPowerSettingNotification(IntPtr aHandle, Boolean aService)

    36 	{

    37         HANDLE handle = aHandle.ToPointer();

    38         HPOWERNOTIFY res=::RegisterPowerSettingNotification(handle, &GUID_MONITOR_POWER_ON, (aService?DEVICE_NOTIFY_SERVICE_HANDLE:DEVICE_NOTIFY_WINDOW_HANDLE));

    39         return (res != NULL);

    40 	};

    42     ///

    43     Boolean PowerSettingNotifier::RegisterPowerSettingNotification(IntPtr aHandle)

    44     {

    45         return RegisterPowerSettingNotification(aHandle,false);

    46     };

    48     ///

    49     void PowerSettingNotifier::WndProc(Message% aMessage)

    50     {

    51         POWERBROADCAST_SETTING* setting;

    53         if (aMessage.Msg == WM_POWERBROADCAST && aMessage.WParam.ToInt32() == PBT_POWERSETTINGCHANGE)

    54         {

    55             setting=(POWERBROADCAST_SETTING*)aMessage.LParam.ToPointer();

    56             if (setting->PowerSetting == GUID_MONITOR_POWER_ON)

    57             {

    58                 if (setting->Data[0] == 0x0)

    59                 {

    60                     Debug::WriteLine(L"POWERBROADCAST: Monitor Power Off");

    61                     OnMonitorPowerOff();

    62                 }

    63                 else if (setting->Data[0] == 0x1)

    64                 {

    65                     Debug::WriteLine(L"POWERBROADCAST: Monitor Power On");

    66                     OnMonitorPowerOn();

    67                 }

    68             }

    69         }

    72     }

    74     ///

    75     void PowerSettingNotifier::OnMonitorPowerOn::add(PowerManagerDelegate^ d)

    76     {

    77         iMonitorPowerOnDelegate += d;

    78         iMonitorPowerObserverCount++;

    79         //iMonitorPowerOnDelegate->GetInvocationList()->GetLength(0)

    80         if (iMonitorPowerObserverCount == 1)

    81         {

    82             //TODO: register

    83             RegisterPowerSettingNotification(iHandle,iIsService);

    84         }

    86     }

    88     ///

    89     void PowerSettingNotifier::OnMonitorPowerOn::remove(PowerManagerDelegate^ d)

    90     {

    91         iMonitorPowerOnDelegate -= d;

    92         iMonitorPowerObserverCount--;

    93         if (iMonitorPowerObserverCount==0)

    94         {

    95             //TODO: unregister

    96         }

    97     }

    99     //

   100     void PowerSettingNotifier::OnMonitorPowerOn::raise()

   101     {

   102         if (iMonitorPowerOnDelegate != nullptr)

   103         {

   104             iMonitorPowerOnDelegate->Invoke();

   105         }

   106     }

   108     ///

   109     void PowerSettingNotifier::OnMonitorPowerOff::add(PowerManagerDelegate^ d)

   110     {

   111         iMonitorPowerOffDelegate += d;

   112         iMonitorPowerObserverCount++;

   113         if (iMonitorPowerObserverCount == 1)

   114         {

   115             //TODO: register

   116             RegisterPowerSettingNotification(iHandle, iIsService);

   117         }

   118     }

   120     ///

   121     void PowerSettingNotifier::OnMonitorPowerOff::remove(PowerManagerDelegate^ d)

   122     {

   123         iMonitorPowerOffDelegate -= d;

   124         iMonitorPowerObserverCount--;

   125         if (iMonitorPowerObserverCount == 0)

   126         {

   127             //TODO: unregister

   128         }

   129     }

   131     //

   132     void PowerSettingNotifier::OnMonitorPowerOff::raise()

   133     {

   134         if (iMonitorPowerOffDelegate != nullptr)

   135         {

   136             iMonitorPowerOffDelegate->Invoke();

   137         }

   138     }

   142 }

author	StephaneLenclud
	Thu, 24 Sep 2015 21:39:05 +0200
changeset 159	e7c8c2b500bd
child 160	de942d321cfb
permissions	-rw-r--r--