477 lines
14 KiB
C++
477 lines
14 KiB
C++
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/*++
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Copyright (C) 1997-1999 Microsoft Corporation
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Module Name:
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devpopg.cpp
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Abstract:
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This module implements CDevicePowerMgmtPage -- device power management
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property page
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Author:
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William Hsieh (williamh) created
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Revision History:
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--*/
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// devdrvpg.cpp : implementation file
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//
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#include "devmgr.h"
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#include "devpopg.h"
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extern "C" {
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#include <initguid.h>
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#include <wdmguid.h>
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#include <devguid.h>
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}
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//
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// help topic ids
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//
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const DWORD g_a15HelpIDs[]=
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{
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IDC_DEVPOWER_DESC, IDH_DISABLEHELP,
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IDC_DEVPOWER_ICON, IDH_DISABLEHELP,
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IDC_DEVPOWER_WAKEENABLE, IDH_DEVMGR_PWRMGR_WAKEENABLE,
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IDC_DEVPOWER_MGMT_WAKEENABLE, IDH_DEVMGR_PWRMGR_MGMT_WAKEENABLE,
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IDC_DEVPOWER_DEVICEENABLE, IDH_DEVMGR_PWRMGR_DEVICEENABLE,
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IDC_DEVPOWER_MESSAGE, IDH_DISABLEHELP,
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0,0
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};
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BOOL
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CDevicePowerMgmtPage::OnInitDialog(
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LPPROPSHEETPAGE ppsp
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)
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{
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//
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// Notify CPropSheetData about the page creation
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// the controls will be initialize in UpdateControls virtual function.
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//
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m_pDevice->m_psd.PageCreateNotify(m_hDlg);
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BOOLEAN Enabled;
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//
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// First see if the device is able to wake the system
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//
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if (m_poWakeEnable.Open(m_pDevice->GetDeviceID())) {
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m_poWakeEnable.Get(Enabled);
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::SendMessage(GetControl(IDC_DEVPOWER_WAKEENABLE), BM_SETCHECK,
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Enabled ? BST_CHECKED : BST_UNCHECKED, 0);
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EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), Enabled);
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} else {
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EnableWindow(GetControl(IDC_DEVPOWER_WAKEENABLE), FALSE);
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ShowWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), FALSE);
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}
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//
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// See if the device can be turned off to save power
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//
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if (m_poShutdownEnable.Open(m_pDevice->GetDeviceID())) {
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m_poShutdownEnable.Get(Enabled);
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::SendMessage(GetControl(IDC_DEVPOWER_DEVICEENABLE), BM_SETCHECK,
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Enabled ? BST_CHECKED : BST_UNCHECKED, 0);
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} else {
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EnableWindow(GetControl(IDC_DEVPOWER_DEVICEENABLE), FALSE);
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}
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//
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// Special network card code.
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//
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GUID ClassGuid;
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m_pDevice->ClassGuid(ClassGuid);
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if (IsEqualGUID(ClassGuid, GUID_DEVCLASS_NET)) {
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if (m_poWakeMgmtEnable.Open(m_pDevice->GetDeviceID())) {
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m_poWakeMgmtEnable.Get(Enabled);
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::SendMessage(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), BM_SETCHECK,
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Enabled ? BST_CHECKED : BST_UNCHECKED, 0);
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}
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//
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// This is a special case for network class devices. Wake on Lan will
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// only work if the device is enabled for power management. So, if the
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// user unchecks the 'power manage this device' then we need to disable
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// the WOL and management stations controls.
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//
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if (BST_CHECKED == ::SendMessage(GetControl(IDC_DEVPOWER_DEVICEENABLE),
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BM_GETCHECK, 0, 0) ) {
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if (m_poWakeEnable.IsOpened()) {
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::EnableWindow(GetControl(IDC_DEVPOWER_WAKEENABLE), TRUE);
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}
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if (m_poWakeMgmtEnable.IsOpened()) {
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//
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// The 'allow management stations to bring the computer out of standby'
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// option is only allowed if the 'Allow this device to bring the computer
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// out of standby' option is checked.
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//
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if (m_poWakeEnable.IsOpened() &&
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(BST_CHECKED == ::SendMessage(GetControl(IDC_DEVPOWER_WAKEENABLE),
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BM_GETCHECK, 0, 0))) {
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::EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), TRUE);
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} else {
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::EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), FALSE);
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}
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}
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} else {
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::EnableWindow(GetControl(IDC_DEVPOWER_WAKEENABLE), FALSE);
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::EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), FALSE);
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}
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} else {
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ShowWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), FALSE);
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EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), FALSE);
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}
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return CPropSheetPage::OnInitDialog(ppsp);
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}
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BOOL
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CDevicePowerMgmtPage::OnCommand(
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WPARAM wParam,
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LPARAM lParam
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)
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{
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switch (LOWORD(wParam)) {
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case IDC_DEVPOWER_WAKEENABLE:
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if (BST_CHECKED == ::SendMessage(GetControl(IDC_DEVPOWER_WAKEENABLE),
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BM_GETCHECK, 0, 0) ) {
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::EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), TRUE);
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} else {
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::EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), FALSE);
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}
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break;
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case IDC_DEVPOWER_DEVICEENABLE:
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//
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// This is a special case for network class devices. Wake on Lan will
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// only work if the device is enabled for power management. So, if the
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// user unchecks the 'power manage this device' then we need to disable
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// the WOL and management stations controls.
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//
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GUID ClassGuid;
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m_pDevice->ClassGuid(ClassGuid);
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if (IsEqualGUID(ClassGuid, GUID_DEVCLASS_NET)) {
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if (BST_CHECKED == ::SendMessage(GetControl(IDC_DEVPOWER_DEVICEENABLE),
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BM_GETCHECK, 0, 0) ) {
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if (m_poWakeEnable.IsOpened()) {
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::EnableWindow(GetControl(IDC_DEVPOWER_WAKEENABLE), TRUE);
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}
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if (m_poWakeMgmtEnable.IsOpened()) {
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//
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// The 'allow management stations to bring the computer out of standby'
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// option is only allowed if the 'Allow this device to bring the computer
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// out of standby' option is checked.
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//
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if (m_poWakeEnable.IsOpened() &&
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(BST_CHECKED == ::SendMessage(GetControl(IDC_DEVPOWER_WAKEENABLE),
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BM_GETCHECK, 0, 0))) {
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::EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), TRUE);
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} else {
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::EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), FALSE);
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}
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}
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} else {
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::EnableWindow(GetControl(IDC_DEVPOWER_WAKEENABLE), FALSE);
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::EnableWindow(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE), FALSE);
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}
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}
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break;
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}
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return FALSE;
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}
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//
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// This function saves the settings(if any)
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//
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BOOL
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CDevicePowerMgmtPage::OnApply()
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{
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BOOLEAN Enabled;
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if (m_poWakeEnable.IsOpened() && IsWindowEnabled(GetControl(IDC_DEVPOWER_WAKEENABLE))) {
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Enabled = BST_CHECKED == ::SendMessage(GetControl(IDC_DEVPOWER_WAKEENABLE),
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BM_GETCHECK, 0, 0);
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m_poWakeEnable.Set(Enabled);
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}
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if (m_poWakeMgmtEnable.IsOpened() && IsWindowEnabled(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE))) {
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Enabled = BST_CHECKED == ::SendMessage(GetControl(IDC_DEVPOWER_MGMT_WAKEENABLE),
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BM_GETCHECK, 0, 0);
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m_poWakeMgmtEnable.Set(Enabled);
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}
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if (m_poShutdownEnable.IsOpened() && IsWindowEnabled(GetControl(IDC_DEVPOWER_DEVICEENABLE))) {
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Enabled = BST_CHECKED == ::SendMessage(GetControl(IDC_DEVPOWER_DEVICEENABLE),
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BM_GETCHECK, 0, 0);
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m_poShutdownEnable.Set(Enabled);
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}
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return FALSE;
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}
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//
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// This function refreshes every control in the dialog. It may be called
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// when the dialog is being initialized
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//
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void
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CDevicePowerMgmtPage::UpdateControls(
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LPARAM lParam
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)
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{
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if (lParam) {
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m_pDevice = (CDevice*) lParam;
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}
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try {
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//
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// Calling PropertyChanged() will update the display name for the device. We need
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// to do this in case a 3rd party property sheet did something that could change
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// the device's display name.
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//
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m_pDevice->PropertyChanged();
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HICON hIconOld;
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m_IDCicon = IDC_DEVPOWER_ICON; // Save for cleanup in OnDestroy.
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hIconOld = (HICON)SendDlgItemMessage(m_hDlg, IDC_DEVPOWER_ICON, STM_SETICON,
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(WPARAM)(m_pDevice->LoadClassIcon()),
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0
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);
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if (hIconOld) {
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DestroyIcon(hIconOld);
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}
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SetDlgItemText(m_hDlg, IDC_DEVPOWER_DESC, m_pDevice->GetDisplayName());
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//
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// Get any power message that the class installer might want to display
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//
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SP_POWERMESSAGEWAKE_PARAMS pmp;
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DWORD RequiredSize;
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pmp.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
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pmp.ClassInstallHeader.InstallFunction = DIF_POWERMESSAGEWAKE;
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pmp.PowerMessageWake[0] = TEXT('\0');
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m_pDevice->m_pMachine->DiSetClassInstallParams(*m_pDevice,
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&pmp.ClassInstallHeader,
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sizeof(pmp)
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);
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//
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// If the class installer returns NO_ERROR and there is text to display in the
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// PowerMessageWake field of the SP_POWERMESSAGEWAKE_PARAMS structure then display
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// the text.
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//
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if ((m_pDevice->m_pMachine->DiCallClassInstaller(DIF_POWERMESSAGEWAKE, *m_pDevice)) &&
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(m_pDevice->m_pMachine->DiGetClassInstallParams(*m_pDevice,
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&pmp.ClassInstallHeader,
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sizeof(pmp),
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&RequiredSize)) &&
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(pmp.PowerMessageWake[0] != TEXT('\0'))) {
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SetDlgItemText(m_hDlg, IDC_DEVPOWER_MESSAGE, pmp.PowerMessageWake);
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}
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} catch (CMemoryException* e) {
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e->Delete();
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// report memory error
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MsgBoxParam(m_hDlg, 0, 0, 0);
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}
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}
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BOOL
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CDevicePowerMgmtPage::OnHelp(
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LPHELPINFO pHelpInfo
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)
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{
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WinHelp((HWND)pHelpInfo->hItemHandle, DEVMGR_HELP_FILE_NAME, HELP_WM_HELP,
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(ULONG_PTR)g_a15HelpIDs);
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return FALSE;
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}
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BOOL
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CDevicePowerMgmtPage::OnContextMenu(
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HWND hWnd,
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WORD xPos,
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WORD yPos
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)
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{
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WinHelp(hWnd, DEVMGR_HELP_FILE_NAME, HELP_CONTEXTMENU,
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(ULONG_PTR)g_a15HelpIDs);
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return FALSE;
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}
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//
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// This function enables/disables the device power capability
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// INPUT:
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// fEnable -- TRUE to enable
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// -- FALSE to disable
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// OUTPUT:
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// TRUE if the state is set
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// FALSE if the state is not set.
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BOOL
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CPowerEnable::Set(
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BOOLEAN fEnable
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)
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{
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if (IsOpened()) {
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DWORD Error;
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BOOLEAN fNewValue = fEnable;
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Error = WmiSetSingleInstance(m_hWmiBlock, m_DevInstId, m_Version,
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sizeof(fNewValue), &fNewValue);
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//
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// Get the value back to see if the change is really succeeded.
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//
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if (ERROR_SUCCESS == Error && Get(fNewValue) && fNewValue == fEnable) {
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return TRUE;
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}
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}
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return FALSE;
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}
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BOOL
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CPowerEnable::Get(
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BOOLEAN& fEnable
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)
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{
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fEnable = FALSE;
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if (IsOpened()) {
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ULONG Size = m_WmiInstDataSize;
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DWORD Error;
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||
|
|
Error = WmiQuerySingleInstance(m_hWmiBlock, m_DevInstId, &Size, m_pWmiInstData);
|
||
|
|
|
||
|
|
if (ERROR_SUCCESS == Error && Size == m_WmiInstDataSize &&
|
||
|
|
m_DataBlockSize == ((PWNODE_SINGLE_INSTANCE)m_pWmiInstData)->SizeDataBlock &&
|
||
|
|
m_Version == ((PWNODE_SINGLE_INSTANCE)m_pWmiInstData)->WnodeHeader.Version) {
|
||
|
|
fEnable = *((BOOLEAN*)(m_pWmiInstData + ((PWNODE_SINGLE_INSTANCE)m_pWmiInstData)->DataBlockOffset));
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Function to open the wmi block.
|
||
|
|
// INPUT:
|
||
|
|
// DeviceId -- the device id
|
||
|
|
// OUTPUT:
|
||
|
|
// TRUE if the device can be turned off
|
||
|
|
// FALSE if the device can not be turned off.
|
||
|
|
BOOL
|
||
|
|
CPowerEnable::Open(
|
||
|
|
LPCTSTR DeviceId
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (!DeviceId) {
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Do nothing if already opened
|
||
|
|
//
|
||
|
|
if (IsOpened()) {
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
int len = lstrlen(DeviceId);
|
||
|
|
|
||
|
|
if (len >= ARRAYLEN(m_DevInstId) - 2) {
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
WmiDevInstToInstanceName(m_DevInstId, len+3, (PTCHAR)DeviceId, 0);
|
||
|
|
|
||
|
|
ULONG Error;
|
||
|
|
Error = WmiOpenBlock(&m_wmiGuid, 0, &m_hWmiBlock);
|
||
|
|
if (ERROR_SUCCESS == Error) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the required block size.
|
||
|
|
//
|
||
|
|
ULONG BufferSize = 0;
|
||
|
|
Error = WmiQuerySingleInstance(m_hWmiBlock, m_DevInstId, &BufferSize, NULL);
|
||
|
|
if (BufferSize && Error == ERROR_INSUFFICIENT_BUFFER) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// The device does support the GUID, remember the size
|
||
|
|
// and allocate a buffer to the data block.
|
||
|
|
//
|
||
|
|
m_WmiInstDataSize = BufferSize;
|
||
|
|
m_pWmiInstData = new BYTE[BufferSize];
|
||
|
|
|
||
|
|
if (m_pWmiInstData) {
|
||
|
|
|
||
|
|
Error = WmiQuerySingleInstance(m_hWmiBlock, m_DevInstId, &BufferSize, m_pWmiInstData);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
Error = ERROR_NOT_ENOUGH_MEMORY;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ERROR_SUCCESS == Error &&
|
||
|
|
m_DataBlockSize == ((PWNODE_SINGLE_INSTANCE)m_pWmiInstData)->SizeDataBlock) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Remember the version
|
||
|
|
//
|
||
|
|
m_Version = ((PWNODE_SINGLE_INSTANCE)m_pWmiInstData)->WnodeHeader.Version;
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
Close();
|
||
|
|
}
|
||
|
|
|
||
|
|
SetLastError(Error);
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|