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421 lines
13 KiB
C++
421 lines
13 KiB
C++
/*
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* PROJECT: ReactOS system libraries
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: dll/shellext/stobject/power.cpp
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* PURPOSE: Power notification icon handler
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* PROGRAMMERS: Eric Kohl <eric.kohl@reactos.org>
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Shriraj Sawant a.k.a SR13 <sr.official@hotmail.com>
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* David Quintana <gigaherz@gmail.com>
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*/
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#include <windows.h>
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#include <setupapi.h>
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#include <devguid.h>
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#include <batclass.h>
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#include "precomp.h"
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#include "powrprof.h"
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#include <mmsystem.h>
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#include <mmddk.h>
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#include <atlstr.h>
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#define GBS_HASBATTERY 0x1
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#define GBS_ONBATTERY 0x2
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WINE_DEFAULT_DEBUG_CHANNEL(stobject);
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int br_icons[5] = { IDI_BATTCAP0, IDI_BATTCAP1, IDI_BATTCAP2, IDI_BATTCAP3, IDI_BATTCAP4 }; // battery mode icons.
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int bc_icons[5] = { IDI_BATTCHA0, IDI_BATTCHA1, IDI_BATTCHA2, IDI_BATTCHA3, IDI_BATTCHA4 }; // charging mode icons.
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typedef struct _PWRSCHEMECONTEXT
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{
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HMENU hPopup;
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UINT uiFirst;
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UINT uiLast;
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} PWRSCHEMECONTEXT, *PPWRSCHEMECONTEXT;
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CString g_strTooltip;
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static float g_batCap = 0;
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static HICON g_hIconBattery = NULL;
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static BOOL g_IsRunning = FALSE;
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/*++
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* @name GetBatteryState
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*
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* Enumerates the available battery devices and provides the remaining capacity.
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*
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* @param cap
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* If no error occurs, then this will contain average remaining capacity.
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* @param dwResult
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* Helps in making battery type checks.
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* {
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* Returned value includes GBS_HASBATTERY if the system has a non-UPS battery,
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* and GBS_ONBATTERY if the system is running on a battery.
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* dwResult & GBS_ONBATTERY means we have not yet found AC power.
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* dwResult & GBS_HASBATTERY means we have found a non-UPS battery.
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* }
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*
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* @return The error code.
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*
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*--*/
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static HRESULT GetBatteryState(float& cap, DWORD& dwResult)
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{
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cap = 0;
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dwResult = GBS_ONBATTERY;
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HDEVINFO hdev = SetupDiGetClassDevs(&GUID_DEVCLASS_BATTERY, 0, 0, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
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if (INVALID_HANDLE_VALUE == hdev)
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return E_HANDLE;
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// Limit search to 100 batteries max
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for (int idev = 0, count = 0; idev < 100; idev++)
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{
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SP_DEVICE_INTERFACE_DATA did = { 0 };
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did.cbSize = sizeof(did);
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if (SetupDiEnumDeviceInterfaces(hdev, 0, &GUID_DEVCLASS_BATTERY, idev, &did))
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{
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DWORD cbRequired = 0;
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SetupDiGetDeviceInterfaceDetail(hdev, &did, 0, 0, &cbRequired, 0);
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if (ERROR_INSUFFICIENT_BUFFER == GetLastError())
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{
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PSP_DEVICE_INTERFACE_DETAIL_DATA pdidd = (PSP_DEVICE_INTERFACE_DETAIL_DATA)LocalAlloc(LPTR, cbRequired);
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if (pdidd)
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{
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pdidd->cbSize = sizeof(*pdidd);
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if (SetupDiGetDeviceInterfaceDetail(hdev, &did, pdidd, cbRequired, &cbRequired, 0))
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{
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// Enumerated a battery. Ask it for information.
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HANDLE hBattery = CreateFile(pdidd->DevicePath, GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (INVALID_HANDLE_VALUE != hBattery)
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{
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// Ask the battery for its tag.
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BATTERY_QUERY_INFORMATION bqi = { 0 };
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DWORD dwWait = 0;
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DWORD dwOut;
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if (DeviceIoControl(hBattery, IOCTL_BATTERY_QUERY_TAG, &dwWait, sizeof(dwWait), &bqi.BatteryTag,
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sizeof(bqi.BatteryTag), &dwOut, NULL) && bqi.BatteryTag)
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{
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// With the tag, you can query the battery info.
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BATTERY_INFORMATION bi = { 0 };
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bqi.InformationLevel = BatteryInformation;
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if (DeviceIoControl(hBattery, IOCTL_BATTERY_QUERY_INFORMATION, &bqi, sizeof(bqi), &bi,
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sizeof(bi), &dwOut, NULL))
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{
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// Only non-UPS system batteries count
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if (bi.Capabilities & BATTERY_SYSTEM_BATTERY)
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{
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if (!(bi.Capabilities & BATTERY_IS_SHORT_TERM))
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dwResult |= GBS_HASBATTERY;
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// Query the battery status.
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BATTERY_WAIT_STATUS bws = { 0 };
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bws.BatteryTag = bqi.BatteryTag;
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BATTERY_STATUS bs;
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if (DeviceIoControl(hBattery, IOCTL_BATTERY_QUERY_STATUS, &bws, sizeof(bws),
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&bs, sizeof(bs), &dwOut, NULL))
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{
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if (bs.PowerState & BATTERY_POWER_ON_LINE)
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dwResult &= ~GBS_ONBATTERY;
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// Take average of total capacity of batteries detected!
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cap = cap*(count)+(float)bs.Capacity / bi.FullChargedCapacity * 100;
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cap /= count + 1;
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count++;
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}
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}
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}
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}
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CloseHandle(hBattery);
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}
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}
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LocalFree(pdidd);
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}
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}
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}
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else if (ERROR_NO_MORE_ITEMS == GetLastError())
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{
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break; // Enumeration failed - perhaps we're out of items
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}
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}
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SetupDiDestroyDeviceInfoList(hdev);
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// Final cleanup: If we didn't find a battery, then presume that we
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// are on AC power.
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if (!(dwResult & GBS_HASBATTERY))
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dwResult &= ~GBS_ONBATTERY;
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return S_OK;
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}
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/*++
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* @name Quantize
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*
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* This function quantizes the mentioned quantity to nearest level.
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*
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* @param p
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* Should be a quantity in percentage.
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* @param lvl
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* Quantization level (this excludes base level 0, which will always be present), default is 10.
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*
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* @return Nearest quantized level, can be directly used as array index based on context.
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*
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*--*/
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static UINT Quantize(float p, UINT lvl = 10)
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{
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int i = 0;
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float f, q = (float)100 / lvl, d = q / 2;
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for (f = 0; f < p; f += q, i++);
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if ((f - d) <= p)
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return i;
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else
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return i - 1;
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/*
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@remarks This function uses centred/symmetric logic for quantization.
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For the case of lvl = 4, You will get following integer levels if given (p) value falls in between the range partitions:
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0 <= p < 12.5 : returns 0; (corresponding to 0% centre)
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12.5 <= p < 37.5 : returns 1; (corresponding to 25% centre)
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37.5 <= p < 62.5 : returns 2; (corresponding to 50% centre)
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62.5 <= p < 87.5 : returns 3; (corresponding to 75% centre)
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87.5 <= p <= 100 : returns 4; (corresponding to 100% centre)
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*/
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}
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/*++
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* @name DynamicLoadIcon
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*
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* Returns the respective icon as per the current battery capacity.
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* It also does the work of setting global parameters of battery capacity and tooltips.
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*
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* @param hinst
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* A handle to a instance of the module.
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*
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* @return The handle to respective battery icon.
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*
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*--*/
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static HICON DynamicLoadIcon(HINSTANCE hinst)
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{
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HICON hBatIcon;
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float cap = 0;
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DWORD dw = 0;
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UINT index = -1;
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HRESULT hr = GetBatteryState(cap, dw);
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if (!FAILED(hr) && (dw & GBS_HASBATTERY))
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{
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index = Quantize(cap, 4);
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g_batCap = cap;
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}
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else
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{
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g_batCap = 0;
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hBatIcon = LoadIcon(hinst, MAKEINTRESOURCE(IDI_BATTCAP_ERR));
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g_strTooltip.LoadStringW(IDS_PWR_UNKNOWN_REMAINING);
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return hBatIcon;
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}
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if (dw & GBS_ONBATTERY)
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{
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hBatIcon = LoadIcon(hinst, MAKEINTRESOURCE(br_icons[index]));
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g_strTooltip.Format(IDS_PWR_PERCENT_REMAINING, cap);
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}
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else
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{
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hBatIcon = LoadIcon(hinst, MAKEINTRESOURCE(bc_icons[index]));
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g_strTooltip.Format(IDS_PWR_CHARGING, cap);
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}
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return hBatIcon;
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}
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HRESULT STDMETHODCALLTYPE Power_Init(_In_ CSysTray * pSysTray)
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{
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TRACE("Power_Init\n");
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g_hIconBattery = DynamicLoadIcon(g_hInstance);
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g_IsRunning = TRUE;
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return pSysTray->NotifyIcon(NIM_ADD, ID_ICON_POWER, g_hIconBattery, g_strTooltip);
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}
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HRESULT STDMETHODCALLTYPE Power_Update(_In_ CSysTray * pSysTray)
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{
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TRACE("Power_Update\n");
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g_hIconBattery = DynamicLoadIcon(g_hInstance);
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return pSysTray->NotifyIcon(NIM_MODIFY, ID_ICON_POWER, g_hIconBattery, g_strTooltip);
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}
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HRESULT STDMETHODCALLTYPE Power_Shutdown(_In_ CSysTray * pSysTray)
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{
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TRACE("Power_Shutdown\n");
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g_IsRunning = FALSE;
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return pSysTray->NotifyIcon(NIM_DELETE, ID_ICON_POWER, NULL, NULL);
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}
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static void _RunPower()
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{
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ShellExecuteW(NULL, NULL, L"powercfg.cpl", NULL, NULL, SW_SHOWNORMAL);
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}
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static void _ShowContextMenu(CSysTray * pSysTray)
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{
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CString strOpen((LPCSTR)IDS_PWR_PROPERTIES);
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HMENU hPopup = CreatePopupMenu();
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AppendMenuW(hPopup, MF_STRING, IDS_PWR_PROPERTIES, strOpen);
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SetForegroundWindow(pSysTray->GetHWnd());
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DWORD flags = TPM_RETURNCMD | TPM_NONOTIFY | TPM_RIGHTALIGN | TPM_BOTTOMALIGN;
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POINT pt;
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GetCursorPos(&pt);
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DWORD id = TrackPopupMenuEx(hPopup, flags,
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pt.x, pt.y,
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pSysTray->GetHWnd(), NULL);
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switch (id)
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{
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case IDS_PWR_PROPERTIES:
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_RunPower();
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break;
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}
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DestroyMenu(hPopup);
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}
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static
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BOOLEAN
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CALLBACK
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PowerSchemesEnumProc(
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UINT uiIndex,
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DWORD dwName,
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LPWSTR sName,
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DWORD dwDesc,
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LPWSTR sDesc,
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PPOWER_POLICY pp,
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LPARAM lParam)
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{
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PPWRSCHEMECONTEXT PowerSchemeContext = (PPWRSCHEMECONTEXT)lParam;
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if (AppendMenuW(PowerSchemeContext->hPopup, MF_STRING, uiIndex + 1, sName))
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{
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if (PowerSchemeContext->uiFirst == 0)
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PowerSchemeContext->uiFirst = uiIndex + 1;
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PowerSchemeContext->uiLast = uiIndex + 1;
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}
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return TRUE;
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}
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static
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VOID
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ShowPowerSchemesPopupMenu(
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CSysTray *pSysTray)
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{
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PWRSCHEMECONTEXT PowerSchemeContext = {NULL, 0, 0};
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UINT uiActiveScheme;
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DWORD id;
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POINT pt;
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PowerSchemeContext.hPopup = CreatePopupMenu();
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EnumPwrSchemes(PowerSchemesEnumProc, (LPARAM)&PowerSchemeContext);
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if (GetActivePwrScheme(&uiActiveScheme))
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{
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CheckMenuRadioItem(PowerSchemeContext.hPopup,
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PowerSchemeContext.uiFirst,
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PowerSchemeContext.uiLast,
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uiActiveScheme + 1,
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MF_BYCOMMAND);
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}
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SetForegroundWindow(pSysTray->GetHWnd());
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GetCursorPos(&pt);
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id = TrackPopupMenuEx(PowerSchemeContext.hPopup,
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TPM_RETURNCMD | TPM_NONOTIFY | TPM_RIGHTALIGN | TPM_BOTTOMALIGN,
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pt.x,
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pt.y,
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pSysTray->GetHWnd(),
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NULL);
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DestroyMenu(PowerSchemeContext.hPopup);
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if (id != 0)
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SetActivePwrScheme(id - 1, NULL, NULL);
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}
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HRESULT STDMETHODCALLTYPE Power_Message(_In_ CSysTray * pSysTray, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT &lResult)
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{
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TRACE("Power_Message uMsg=%d, wParam=%x, lParam=%x\n", uMsg, wParam, lParam);
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switch (uMsg)
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{
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case WM_USER + 220:
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TRACE("Power_Message: WM_USER+220\n");
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if (wParam == 1)
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{
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if (lParam == FALSE)
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return Power_Init(pSysTray);
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else
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return Power_Shutdown(pSysTray);
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}
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return S_FALSE;
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case WM_USER + 221:
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TRACE("Power_Message: WM_USER+221\n");
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if (wParam == 1)
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{
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lResult = (LRESULT)g_IsRunning;
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return S_OK;
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}
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return S_FALSE;
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case ID_ICON_POWER:
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Power_Update(pSysTray);
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switch (lParam)
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{
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case WM_LBUTTONDOWN:
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break;
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case WM_LBUTTONUP:
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ShowPowerSchemesPopupMenu(pSysTray);
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break;
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case WM_LBUTTONDBLCLK:
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_RunPower();
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break;
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case WM_RBUTTONDOWN:
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break;
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case WM_RBUTTONUP:
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_ShowContextMenu(pSysTray);
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break;
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case WM_RBUTTONDBLCLK:
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break;
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case WM_MOUSEMOVE:
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break;
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}
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return S_OK;
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default:
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TRACE("Power_Message received for unknown ID %d, ignoring.\n");
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return S_FALSE;
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}
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return S_FALSE;
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}
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