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using System;
using System.Text;
using System.Runtime.InteropServices;
using System.ComponentModel;
namespace PhoneGap
{
internal partial class PInvoke
{
private static Int32 FILE_DEVICE_HAL = 0x00000101;
private static Int32 FILE_ANY_ACCESS = 0x0;
private static Int32 METHOD_BUFFERED = 0x0;
private static Int32 IOCTL_HAL_GET_DEVICEID = ((FILE_DEVICE_HAL) << 16) | ((FILE_ANY_ACCESS) << 14) | ((21) << 2) | (METHOD_BUFFERED);
private const Int32 ERROR_NOT_SUPPORTED = 0x32;
private const Int32 ERROR_INSUFFICIENT_BUFFER = 0x7A;
[DllImport("Coredll.dll", EntryPoint = "SystemParametersInfoW", CharSet = CharSet.Unicode)]
static extern int SystemParametersInfo4Strings(uint uiAction, uint uiParam, StringBuilder pvParam, uint fWinIni);
public enum SystemParametersInfoActions : uint
{
SPI_GETPLATFORMTYPE = 257, // this is used elsewhere for Smartphone/PocketPC detection
SPI_GETOEMINFO = 258,
}
public static string GetOemInfo()
{
StringBuilder oemInfo = new StringBuilder(50);
if (SystemParametersInfo4Strings((uint)SystemParametersInfoActions.SPI_GETOEMINFO,
(uint)oemInfo.Capacity, oemInfo, 0) == 0)
throw new Exception("Error getting OEM info.");
return oemInfo.ToString();
}
[DllImport("coredll.dll", SetLastError = true)]
private static extern bool KernelIoControl(Int32 dwIoControlCode,
IntPtr lpInBuf, Int32 nInBufSize, byte[] lpOutBuf,
Int32 nOutBufSize, ref Int32 lpBytesReturned);
public static string GetDeviceID()
{
// Initialize the output buffer to the size of a
// Win32 DEVICE_ID structure.
byte[] outbuff = new byte[20];
Int32 dwOutBytes;
bool done = false;
Int32 nBuffSize = outbuff.Length;
// Set DEVICEID.dwSize to size of buffer. Some platforms look at
// this field rather than the nOutBufSize param of KernelIoControl
// when determining if the buffer is large enough.
BitConverter.GetBytes(nBuffSize).CopyTo(outbuff, 0);
dwOutBytes = 0;
// Loop until the device ID is retrieved or an error occurs.
while (!done)
{
if (KernelIoControl(IOCTL_HAL_GET_DEVICEID, IntPtr.Zero,
0, outbuff, nBuffSize, ref dwOutBytes))
{
done = true;
}
else
{
int error = Marshal.GetLastWin32Error();
switch (error)
{
case ERROR_NOT_SUPPORTED:
throw new NotSupportedException(
"IOCTL_HAL_GET_DEVICEID is not supported on this device",
new Win32Exception(error));
case ERROR_INSUFFICIENT_BUFFER:
// The buffer is not big enough for the data. The
// required size is in the first 4 bytes of the output
// buffer (DEVICE_ID.dwSize).
nBuffSize = BitConverter.ToInt32(outbuff, 0);
outbuff = new byte[nBuffSize];
// Set DEVICEID.dwSize to size of buffer. Some
// platforms look at this field rather than the
// nOutBufSize param of KernelIoControl when
// determining if the buffer is large enough.
BitConverter.GetBytes(nBuffSize).CopyTo(outbuff, 0);
break;
default:
throw new Win32Exception(error, "Unexpected error");
}
}
}
// Copy the elements of the DEVICE_ID structure.
Int32 dwPresetIDOffset = BitConverter.ToInt32(outbuff, 0x4);
Int32 dwPresetIDSize = BitConverter.ToInt32(outbuff, 0x8);
Int32 dwPlatformIDOffset = BitConverter.ToInt32(outbuff, 0xc);
Int32 dwPlatformIDSize = BitConverter.ToInt32(outbuff, 0x10);
StringBuilder sb = new StringBuilder();
for (int i = dwPresetIDOffset;
i < dwPresetIDOffset + dwPresetIDSize; i++)
{
sb.Append(String.Format("{0:X2}", outbuff[i]));
}
sb.Append("-");
for (int i = dwPlatformIDOffset;
i < dwPlatformIDOffset + dwPlatformIDSize; i++)
{
sb.Append(String.Format("{0:X2}", outbuff[i]));
}
return sb.ToString();
}
}
internal partial class PlatformDetection
{
private const string MicrosoftEmulatorOemValue = "Microsoft DeviceEmulator";
public static bool IsEmulator()
{
return PInvoke.GetOemInfo() == MicrosoftEmulatorOemValue;
}
}
class InitializationCommand : Command
{
#region Command Members
Boolean Command.accept(String instruction)
{
return "/initialize".Equals(instruction);
}
String Command.execute(string instruction)
{
string retVal = ";device.name = '" + PInvoke.GetOemInfo() + "';";
retVal += "device.uuid = '" + PInvoke.GetDeviceID() + "';";
return retVal;
}
#endregion
}
}