extern "C" NS_GFX_(PRBool) NS_HexToRGB(const nsString& aColorSpec,
nscolor* aResult)
{
// XXXldb nsStackString<10>
NS_LossyConvertUCS2toASCII bufferStr(aColorSpec);
return NS_ASCIIHexToRGB(bufferStr, aResult);
}
NS_IMETHODIMP
nsGNOMEShellService::GetDesktopBackgroundColor(PRUint32 *aColor)
{
nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
nsCAutoString background;
gconf->GetString(NS_LITERAL_CSTRING(kDesktopColorKey), background);
if (background.IsEmpty()) {
*aColor = 0;
return NS_OK;
}
// Chop off the leading '#' character
background.Cut(0, 1);
nscolor rgb;
if (!NS_ASCIIHexToRGB(background, &rgb))
return NS_ERROR_FAILURE;
// The result must be in RGB order with the high 8 bits zero.
*aColor = (NS_GET_R(rgb) << 16 | NS_GET_G(rgb) << 8 | NS_GET_B(rgb));
return NS_OK;
}