PRFloat64 getVariance(VarianceState* inVariance)
/*
** Determine the variance based on the given state.
*/
{
PRFloat64 retval = 0.0;
if(NULL != inVariance && 1 < inVariance->mCount)
{
PRFloat64 count;
PRFloat64 squaredSum;
PRFloat64 avg;
PRFloat64 squaredAvg;
PRInt64 isquaredSum;
/*
** Avoids a compiler error (not impl) under MSVC.
*/
isquaredSum = inVariance->mSquaredSum;
count = (PRFloat64)inVariance->mCount;
LL_L2F(squaredSum, isquaredSum);
avg = getAverage(inVariance);
squaredAvg = avg * avg;
retval = (squaredSum - (count * squaredAvg)) / (count - 1.0);
}
return retval;
}
PRFloat64 getAverage(VarianceState* inVariance)
/*
** Determine the mean/average based on the given state.
*/
{
PRFloat64 retval = 0.0;
if(NULL != inVariance && 0 < inVariance->mCount)
{
PRFloat64 count;
PRFloat64 sum;
PRInt64 isum;
/*
** Avoids a compiler error (not impl) under MSVC.
*/
isum = inVariance->mSum;
count = (PRFloat64)inVariance->mCount;
LL_L2F(sum, isum);
retval = sum / count;
}
return retval;
}
// this is a utility function
void nsAbPalmHotSync::ConvertAssignPalmIDAttrib(PRUint32 id, nsIAbMDBCard * card)
{
PRInt64 l;
LL_UI2L(l, id);
PRFloat64 f;
LL_L2F(f, l);
char buf[128];
PR_cnvtf(buf, 128, 0, f);
card->SetAbDatabase(mABDB);
card->SetStringAttribute(CARD_ATTRIB_PALMID,NS_ConvertASCIItoUTF16(buf).get());
}
//
// Native method FileGetSize
//
JSBool PR_CALLBACK
InstallFileOpFileGetSize(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
nsInstall *nativeThis =
GetNativeThis(cx, obj, argv);
if (!nativeThis)
return JS_FALSE;
PRInt64 nativeRet;
JSObject *jsObj;
nsInstallFolder *folder;
*rval = INT_TO_JSVAL(nsInstall::UNEXPECTED_ERROR);
// public int FileGetSize (String NativeFolderPath);
if (argc == 0 || argv[0] == JSVAL_NULL || !JSVAL_IS_OBJECT(argv[0])) //argv[0] MUST be a jsval
{
*rval = INT_TO_JSVAL(nsInstall::INVALID_ARGUMENTS);
return JS_TRUE;
}
jsObj = JSVAL_TO_OBJECT(argv[0]);
if (!JS_InstanceOf(cx, jsObj, &FileSpecObjectClass, nsnull))
{
*rval = INT_TO_JSVAL(nsInstall::INVALID_ARGUMENTS);
return JS_TRUE;
}
folder = (nsInstallFolder*)JS_GetPrivate(cx, jsObj);
if(!folder || NS_OK != nativeThis->FileOpFileGetSize(*folder, &nativeRet))
{
return JS_TRUE;
}
PRFloat64 f; /* jsdouble's *are* PRFloat64's */
LL_L2F( f, nativeRet ); /* make float which is same type for js and nspr (native double) */
JS_NewDoubleValue( cx, f, rval );
return JS_TRUE;
}
nsresult nsAbPalmHotSync::UpdateMozABWithPalmRecords()
{
if(!mInitialized || !mABDB || !mDBOpen)
return NS_ERROR_NOT_INITIALIZED;
nsresult rv = NS_OK;
for(PRInt32 i=mPalmRecords.Count()-1; i >=0; i--)
{
nsABCOMCardStruct * palmRec = (nsABCOMCardStruct *)mPalmRecords.ElementAt(i);
nsAbIPCCard ipcCard(palmRec, PR_FALSE);
char recordIDBuf[128];
PRInt64 l;
LL_UI2L(l, palmRec->dwRecordId);
PRFloat64 f;
LL_L2F(f, l);
PR_cnvtf(recordIDBuf, 128, 0, f);
// if the card already exists
nsCOMPtr<nsIAbCard> existingCard;
rv = mABDB->GetCardFromAttribute(nsnull, CARD_ATTRIB_PALMID,
nsDependentCString(recordIDBuf),
PR_FALSE, getter_AddRefs(existingCard));
if (!existingCard)
{
rv = mABDB->GetCardFromAttribute(nsnull, CARD_ATTRIB_DISPLAY,
nsDependentCString((const char *) palmRec->displayName),
PR_FALSE, getter_AddRefs(existingCard));
// if card with this display name exists, just continue; But, we should make sure
// it's associated with the palm card going forward, so set the palmid.
if (NS_SUCCEEDED(rv) && existingCard)
{
nsCOMPtr<nsIAbMDBCard> dbCard = do_QueryInterface(existingCard);
dbCard->SetStringAttribute(CARD_ATTRIB_PALMID, NS_ConvertASCIItoUTF16(recordIDBuf).get());
continue;
}
}
if(NS_SUCCEEDED(rv) && existingCard)
{
// Archived is the same as deleted in palm.
if(palmRec->dwStatus & ATTR_DELETED || palmRec->dwStatus & ATTR_ARCHIVED)
{
mABDB->DeleteCard(existingCard, PR_FALSE, nsnull);
continue;
}
if(palmRec->dwStatus & ATTR_NEW)
continue;
if(palmRec->dwStatus & ATTR_MODIFIED)
{
PRBool isEqual=PR_FALSE;
ipcCard.Equals(existingCard, &isEqual);
if(isEqual)
continue;
else
{
existingCard->Copy(&ipcCard);
rv = mABDB->EditCard(existingCard, PR_FALSE, nsnull);
continue;
}
}
}
nsCOMPtr<nsIAbMDBCard> dbCard;
dbCard = do_CreateInstance(NS_ABMDBCARD_CONTRACTID, &rv);
if(NS_FAILED(rv))
continue;
nsCOMPtr<nsIAbCard> newCard;
newCard = do_QueryInterface(dbCard, &rv);
if(NS_FAILED(rv))
continue;
rv = newCard->Copy(&ipcCard);
if(NS_FAILED(rv))
continue;
// if the card does not exist
if((ipcCard.GetStatus() == ATTR_NEW)
||(ipcCard.GetStatus() == ATTR_MODIFIED)
|| (ipcCard.GetStatus() == ATTR_NONE))
{
PRUint32 modTimeInSec;
PRTime2Seconds(PR_Now(), &modTimeInSec);
ipcCard.SetLastModifiedDate(modTimeInSec);
rv = mABDB->CreateNewCardAndAddToDB(newCard, PR_FALSE, nsnull);
if(NS_SUCCEEDED(rv))
{
// now set the attribute for the PalmRecID in the card in the DB
dbCard->SetAbDatabase(mABDB);
dbCard->SetStringAttribute(CARD_ATTRIB_PALMID, NS_ConvertASCIItoUTF16(recordIDBuf).get());
newCard = do_QueryInterface(dbCard, &rv);
if(NS_SUCCEEDED(rv))
rv = mABDB->EditCard(newCard, PR_FALSE, nsnull);
}
}
}
return rv;
}
