Leaked source code of windows server 2003
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397 lines
11 KiB

#define UNICODE
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <mmsystem.h>
#include <strsafe.h>
#include <resrc1.h>
#include "internal.h"
const WCHAR *InRangeLabelKey = TEXT("AppEvents\\EventLabels\\InfraredInRange");
const WCHAR *OutOfRangeLabelKey = TEXT("AppEvents\\EventLabels\\InfraredOutOfRange");
const WCHAR *InterruptLabelKey = TEXT("AppEvents\\EventLabels\\InfraredInterrupt");
const WCHAR *WirelessLinkKey = TEXT("AppEvents\\Schemes\\Apps\\WirelessLink");
const WCHAR *InRangeSoundKey = TEXT("AppEvents\\Schemes\\Apps\\WirelessLink\\InfraredInRange");
const WCHAR *OutOfRangeSoundKey = TEXT("AppEvents\\Schemes\\Apps\\WirelessLink\\InfraredOutOfRange");
const WCHAR *InterruptSoundKey = TEXT("AppEvents\\Schemes\\Apps\\WirelessLink\\InfraredInterrupt");
const WCHAR *CurrentSoundKey = TEXT(".Current");
const WCHAR *DefaultSoundKey = TEXT(".Default");
const WCHAR *InRangeWav = TEXT("ir_begin.wav");
const WCHAR *OutOfRangeWav = TEXT("ir_end.wav");
const WCHAR *InterruptWav = TEXT("ir_inter.wav");
const WCHAR *SystemInfoKey = TEXT("Software\\Microsoft\\Windows NT\\CurrentVersion");
const WCHAR *SystemRootVal = TEXT("SystemRoot");
const WCHAR *MediaPath = TEXT("\\Media\\");
TCHAR gSystemRoot[64];
TCHAR InRangeWavPath[128];
TCHAR OutOfRangeWavPath[128];
TCHAR InterruptWavPath[128];
HKEY ghInRangeKey = 0;
HKEY ghOutOfRangeKey = 0;
HKEY ghInterruptKey = 0;
BOOL
InitializeSound(
HKEY CurrentUserKey,
HANDLE Event
)
{
if (CurrentUserKey)
{
CreateRegSoundData();
// Open the wave file keys so we can monitor them for changes
RegOpenKeyEx(CurrentUserKey, InRangeSoundKey, 0, KEY_READ, &ghInRangeKey);
RegOpenKeyEx(CurrentUserKey, OutOfRangeSoundKey, 0, KEY_READ, &ghOutOfRangeKey);
RegOpenKeyEx(CurrentUserKey, InterruptSoundKey, 0, KEY_READ, &ghInterruptKey);
GetRegSoundData(Event);
}
return TRUE;
}
VOID
UninitializeSound(
VOID
)
{
if (ghInRangeKey)
{
RegCloseKey(ghInRangeKey);
ghInRangeKey = 0;
}
if (ghInterruptKey)
{
RegCloseKey(ghInterruptKey);
ghInterruptKey = 0;
}
if (ghOutOfRangeKey)
{
RegCloseKey(ghOutOfRangeKey);
ghOutOfRangeKey = 0;
}
return;
}
VOID
CreateRegSoundEventLabel(
const WCHAR *LabelKey,
DWORD LabelId)
{
TCHAR LabelStr[64];
// Load the localizable string label for the sound event
if (!LoadString(ghInstance, LabelId, LabelStr, sizeof(LabelStr)/sizeof(TCHAR)))
{
DEBUGMSG(("IRMON: LoadString failed %d\n", GetLastError()));
return;
}
if (RegSetValue(ghCurrentUserKey, LabelKey, REG_SZ, LabelStr,
lstrlen(LabelStr)))
{
DEBUGMSG(("IRMON: RegSetValue failed %d\n", GetLastError()));
}
}
VOID
CreateRegSoundScheme(
TCHAR *SystemRoot,
const WCHAR *SoundKey,
const WCHAR *WavFile)
{
HKEY hSoundKey;
DWORD Disposition;
TCHAR WavPath[128];
if (RegCreateKeyEx(ghCurrentUserKey,
SoundKey,
0, // reserved MBZ
0, // class name
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
0, // security attributes
&hSoundKey,
&Disposition))
{
DEBUGMSG(("IRMON: RegCreateKey failed %d\n", GetLastError()));
return;
}
if (Disposition == REG_CREATED_NEW_KEY)
{
if (RegSetValue(hSoundKey, CurrentSoundKey, REG_SZ, WavFile,
lstrlen(WavFile)))
{
DEBUGMSG(("IRMON: RegSetValue failed %d\n", GetLastError()));
}
StringCbCopy(WavPath, sizeof(WavPath), SystemRoot);
StringCbCat(WavPath, sizeof(WavPath), MediaPath);
StringCbCat(WavPath, sizeof(WavPath), WavFile);
if (RegSetValue(hSoundKey, DefaultSoundKey, REG_SZ, WavPath,
lstrlen(WavPath)))
{
DEBUGMSG(("IRMON: RegSetValue failed %d\n", GetLastError()));
}
}
RegCloseKey(hSoundKey);
}
VOID
CreateRegSoundData()
{
DWORD ValType;
HKEY hKey, hUserKey;
LONG Len;
TCHAR WirelessLinkStr[64];
// Get the system root so we can add default registry values
// i.e. Schemes\WirelessLink\InfraredInRange\.Default = "C:\winnt\media\irin.wav"
// ^^^^^^^^
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, SystemInfoKey, 0, KEY_READ, &hKey))
{
DEBUGMSG(("IRMON: RegOpenKey2 failed %d\n", GetLastError()));
return;
}
Len = sizeof(gSystemRoot);
if (RegQueryValueEx(hKey, SystemRootVal, 0, &ValType,
(LPBYTE) gSystemRoot, &Len))
{
DEBUGMSG(("IRMON: RegQueryValue failed %d\n", GetLastError()));
return;
}
RegCloseKey(hKey);
// Create the sound EventLabels and schemes if they don't exist
CreateRegSoundEventLabel(InRangeLabelKey, IDS_INRANGE_LABEL);
CreateRegSoundEventLabel(OutOfRangeLabelKey, IDS_OUTOFRANGE_LABEL);
CreateRegSoundEventLabel(InterruptLabelKey, IDS_INTERRUPT_LABEL);
if (!LoadString(ghInstance, IDS_WIRELESSLINK, WirelessLinkStr, sizeof(WirelessLinkStr)/sizeof(TCHAR)))
{
DEBUGMSG(("IRMON: LoadString failed %d\n", GetLastError()));
return;
}
if (RegSetValue(ghCurrentUserKey, WirelessLinkKey, REG_SZ, WirelessLinkStr,
lstrlen(WirelessLinkStr)))
{
DEBUGMSG(("IRMON: RegSetValue failed %d\n", GetLastError()));
}
CreateRegSoundScheme(gSystemRoot, InRangeSoundKey, InRangeWav);
CreateRegSoundScheme(gSystemRoot, OutOfRangeSoundKey, OutOfRangeWav);
CreateRegSoundScheme(gSystemRoot, InterruptSoundKey, InterruptWav);
}
VOID
GetRegSoundWavPath(
const WCHAR *SoundKey,
TCHAR *SoundWavPath,
LONG cbPathLen)
{
TCHAR CurrRegPath[128];
DWORD ValType;
HKEY hSoundKey;
int i;
BOOLEAN FullPath = FALSE;
LONG cbPathLenSave = cbPathLen;
StringCbCopy(CurrRegPath, sizeof(CurrRegPath), SoundKey);
StringCbCat(CurrRegPath, sizeof(CurrRegPath), TEXT("\\"));
StringCbCat(CurrRegPath, sizeof(CurrRegPath), CurrentSoundKey);
if (RegOpenKeyEx(ghCurrentUserKey, CurrRegPath, 0, KEY_READ, &hSoundKey))
{
DEBUGMSG(("IRMON: RegOpenKey3 failed %d\n", GetLastError()));
return;
}
if (RegQueryValueEx(hSoundKey, NULL, 0, &ValType,
(LPBYTE) SoundWavPath, &cbPathLenSave))
{
DEBUGMSG(("IRMON: RegQueryValue failed %d\n", GetLastError()));
RegCloseKey(hSoundKey);
return;
}
// the PlaySound API does not look in \winnt\media for
// wav files when a filename is specified, so if this is not a full
// pathname then we'll need to add "c:\winnt\media" to the WavPath.
// I'm counting on a path without '\' as an indication that it is relative.
for (i = 0; i < lstrlen(SoundWavPath); i++)
{
if (SoundWavPath[i] == TEXT('\\'))
{
FullPath = TRUE;
break;
}
}
if (!FullPath && lstrlen(SoundWavPath) != 0)
{
TCHAR TempStr[64];
StringCbCopy(TempStr, sizeof(TempStr), SoundWavPath);
StringCbCopy(SoundWavPath, cbPathLen,gSystemRoot);
StringCbCat(SoundWavPath, cbPathLen, MediaPath);
StringCbCat(SoundWavPath, cbPathLen, TempStr);
}
RegCloseKey(hSoundKey);
}
VOID
GetRegSoundData(
HANDLE Event
)
{
GetRegSoundWavPath(InRangeSoundKey, InRangeWavPath, sizeof(InRangeWavPath));
// DEBUGMSG(("IRMON: In range wav: %ws\n", InRangeWavPath));
GetRegSoundWavPath(OutOfRangeSoundKey, OutOfRangeWavPath, sizeof(OutOfRangeWavPath));
// DEBUGMSG(("IRMON: Out of range wav: %ws\n", OutOfRangeWavPath));
GetRegSoundWavPath(InterruptSoundKey, InterruptWavPath, sizeof(InterruptWavPath));
// DEBUGMSG(("IRMON: Interrupt wav: %ws\n", InterruptWavPath));
RegNotifyChangeKeyValue(ghInRangeKey,
TRUE, // watch child keys
REG_NOTIFY_CHANGE_LAST_SET,
Event,
TRUE); // async
RegNotifyChangeKeyValue(ghOutOfRangeKey,
TRUE, // watch child keys
REG_NOTIFY_CHANGE_LAST_SET,
Event,
TRUE); // async
RegNotifyChangeKeyValue(ghInterruptKey,
TRUE, // watch child keys
REG_NOTIFY_CHANGE_LAST_SET,
Event,
TRUE); // async
}
VOID
PlayIrSound(IRSOUND_EVENT SoundEvent)
{
int Beep1, Beep2, Beep3;
BOOL SoundPlayed = FALSE;
LPWSTR WaveSound;
DWORD Flags = 0;
switch (SoundEvent)
{
case INRANGE_SOUND:
WaveSound = InRangeWavPath;
Beep1 = 200;
Beep2 = 250;
Beep3 = 300;
break;
case OUTOFRANGE_SOUND:
WaveSound = OutOfRangeWavPath;
Beep1 = 300;
Beep2 = 250;
Beep3 = 200;
break;
case INTERRUPTED_SOUND:
WaveSound = InterruptWavPath;
Flags = SND_LOOP;
Beep1 = 500;
Beep2 = 350;
Beep3 = 500;
break;
case END_INTERRUPTED_SOUND:
WaveSound = NULL;
SoundPlayed = TRUE;
break;
}
if (SoundEvent != END_INTERRUPTED_SOUND && lstrlen(WaveSound) == 0) {
//
// the path of sound file is a null string, can't play anything
//
SoundPlayed = TRUE;
} else if (waveOutGetNumDevs() > 0) {
//
// the functions are availible and there is at least on wave device
//
SoundPlayed = PlaySound(
WaveSound,
(HMODULE) NULL,
SND_FILENAME | SND_ASYNC | Flags
);
if (WaveSound == NULL) {
//
// we just wanted to stop the wave, set this to true so it will not try to beep
//
SoundPlayed=TRUE;
}
}
if (!SoundPlayed) {
//
// could not play a wave, just uses beeps
//
DEBUGMSG(("Not Wave enabled\n"));
Beep(Beep1, 100);
Beep(Beep2, 100);
Beep(Beep3, 100);
}
}