diff -r 000000000000 -r 9cfd9a3ee49c datasourcemodules/bluetoothgpspositioningmodule/btgpsconfig/src/lbsbtgpsconfigimpl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datasourcemodules/bluetoothgpspositioningmodule/btgpsconfig/src/lbsbtgpsconfigimpl.cpp	Tue Feb 02 01:50:39 2010 +0200
@@ -0,0 +1,948 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// LBS Bluetooth GPS Configuration API implementation
+//
+
+#include "lbsbtgpsconfigimpl.h"
+#include <centralrepository.h>
+
+/** LBS Bluetooth GPS Configuration central repository UID
+@internalComponent
+*/
+const TUint32 KLbsBtGpsConfigRepositoryUid = 0x102869C1;
+
+//-------------------------------------------------------
+// CENREP FORMAT
+//
+// key format: 0xAAAABBBB
+// where:
+//   AAAA = Device index
+//   BBBB = Setting index
+
+const TUint32 KDeviceIndexMask			= 0xFFFF0000;
+const TUint32 KDeviceIndexShift			= 16;
+
+// Maximum number of devices allowed in the list
+const TUint32 KMaxDevices 				= 20;
+
+// Index of first device in the list
+const TUint32 KFirstDeviceIndex 		= 0x0001;
+
+// GENERAL SETTINGS (stored under device index 0000)
+
+// Centrep data version
+//const TUint32 KSettingVersion 			= 0x00000000;
+
+// Stores the last allocated unique device key
+const TUint32 KSettingLastKey 			= 0x00000001;
+
+// Stores the number of devices in the list
+const TUint32 KSettingNumDevices 		= 0x00000002;
+
+// PER-DEVICE SETTINGS (BBBB)
+
+// Unique key identifying the device
+const TUint32 KDeviceSettingKey			= 0x0000;
+
+// Device type
+const TUint32 KDeviceSettingType		= 0x0001;
+
+// Device bluetooth socket address
+const TUint32 KDeviceSettingSockAddr	= 0x0002;
+//-------------------------------------------------------
+
+// Partial key and mask for centrep notifications - notify on all changes
+const TUint32 KNotifyPartialKey = 0x00000000;
+const TUint32 KNotifyMask = 0x00000000;
+
+
+// Number of times to retry if the repository is locked
+const TInt KLockedRetries = 10000;
+
+// Time to wait before retrying if the repository is locked
+const TInt KLockedRetryDelay = 100;
+
+
+/** Static constructor (with observer)
+Creates an instance of the LBS Bluetooth GPS Configuration API implementation, 
+specifying a callback to recieve update notifications.
+
+@param aObserver [IN] Observer which will recieve update notifications.
+
+@return A newly constructed CLbsBtGpsConfigImpl object.
+
+@capability LocalServices
+
+@internalComponent
+*/
+CLbsBtGpsConfigImpl* CLbsBtGpsConfigImpl::NewL(MLbsBtGpsConfigObserver* aObserver)
+	{
+	// Check capabilities first
+	RProcess process;
+	if (!process.HasCapability(ECapabilityLocalServices))
+		{
+		User::Leave(KErrPermissionDenied);
+		}
+	
+	CLbsBtGpsConfigImpl* self = new (ELeave) CLbsBtGpsConfigImpl(aObserver);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+	}
+
+
+/** Destructor 
+@internalComponent
+*/
+CLbsBtGpsConfigImpl::~CLbsBtGpsConfigImpl()
+	{
+	Cancel();
+	delete iRepos;
+	}
+
+
+/** Returns the number of devices present in the list
+
+@return Number of devices.
+
+@leave KErrPermissionDenied if the client does not have the required capabilities.
+
+@capability LocalServices
+
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::GetDeviceCount(TInt& aCount)
+	{
+	// Check capabilities first
+	RProcess process;
+	if (!process.HasCapability(ECapabilityLocalServices))
+		{
+		return KErrPermissionDenied;
+		}
+
+	TInt err = iRepos->Get(KSettingNumDevices, aCount); 
+	if (err == KErrNotFound)
+		{
+		// If the entry is not found, the number of devices is zero.
+		// Don't treat this as an error.
+		aCount = 0;
+		err = KErrNone;
+		}
+	
+	return err;
+	}
+
+
+/** Adds a new device at the specified position index within the list
+
+@param aAddress [In] Address of the new device.
+@param aPosition [In] Position in the list at which to add the device, note that any existing entries below this position will be shifted down.
+@param aKey [Out] Recieves the unique key assigned to identify the new device.
+
+Specifying aPosition >= DeviceCount() will result in the device being added to the end of the list.
+
+@return KErrNone if the operation succeeded.
+		KErrAlreadyExists if an entry with the same address is already present in the list.
+		KErrOverflow if there is no space left to add another entry.
+		KErrPermissionDenied if the client does not have the required capabilities.
+
+@capability LocalServices
+@capability WriteDeviceData
+
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::AddDevice(const TBTDevAddr& aAddress, TInt aPosition, TLbsBtGpsEntryKey& aKey)
+	{
+	// Check capabilities first
+	RProcess process;
+	if (!process.HasCapability(ECapabilityLocalServices))
+		{
+		return KErrPermissionDenied;
+		}
+	if (!process.HasCapability(ECapabilityWriteDeviceData))
+		{
+		return KErrPermissionDenied;
+		}
+	 
+	TRAPD(err, AddDeviceL(aAddress, aPosition, aKey));
+	return err;
+	}
+
+
+/** Removes a device from the list
+
+@param aKey [In] The key identifying the device.
+
+@return KErrNone if the operation succeeded.
+		KErrNotFound if the specified device is not present in the list.
+		KErrPermissionDenied if the client does not have the required capabilities.
+
+@capability LocalServices
+@capability WriteDeviceData
+
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::RemoveDevice(TLbsBtGpsEntryKey aKey)
+	{
+	// Check capabilities first
+	RProcess process;
+	if (!process.HasCapability(ECapabilityLocalServices))
+		{
+		return KErrPermissionDenied;
+		}
+	if (!process.HasCapability(ECapabilityWriteDeviceData))
+		{
+		return KErrPermissionDenied;
+		}
+
+	TRAPD(err, RemoveDeviceL(aKey));
+	return err;
+	}
+
+
+/** Empties the device list, removing all device entries
+
+@return KErrNone if the operation succeeded.
+		KErrPermissionDenied if the client does not have the required capabilities.
+
+@capability LocalServices
+@capability WriteDeviceData
+
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::EmptyDeviceList()
+	{
+	// Check capabilities first
+	RProcess process;
+	if (!process.HasCapability(ECapabilityLocalServices))
+		{
+		return KErrPermissionDenied;
+		}
+	if (!process.HasCapability(ECapabilityWriteDeviceData))
+		{
+		return KErrPermissionDenied;
+		}
+
+	TRAPD(err, EmptyDeviceListL());
+	return err;
+	}
+
+
+/** Reorders a device in the list by specifying a new position index
+
+@param aKey [In] The key identifying the device.
+@param aNewPosition [In] New position index for the device in the list (where 0 indicates the start of the list).
+
+The device identified by the key will assume the specified position in the list, shifting exsiting devices as
+required in order to achieve this.
+
+Specifying aNewPosition = 0 will result in the device being moved to the start of the list.
+Specifying aNewPosition >= DeviceCount() will result in the device being moved to the end of the list.
+
+When a device is moved towards the start of the list, other devices located between the old and new positions 
+will be shifted towards the end of the list by one place. For example, starting with a list {A,B,C,D,E}, moving 
+device D to position 1 would result in {A,D,B,C,E}. 
+
+Similarly, when a device is moved towards the end of the list, other devices located between the old and new
+positions will be shifted towards the start of the list by one place. For example, starting with a list {A,B,C,D,E},
+moving device B to position 3 would result in {A,C,D,B,E}
+
+@return KErrNone if the operation succeeded.
+		ErrNotFound if the specified device is not present in the list.
+		KErrPermissionDenied if the client does not have the required capabilities.
+
+@capability LocalServices
+@capability WriteDeviceData
+
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::ReorderDevice(TLbsBtGpsEntryKey aKey, TInt aNewPosition)
+	{
+	// Check capabilities first
+	RProcess process;
+	if (!process.HasCapability(ECapabilityLocalServices))
+		{
+		return KErrPermissionDenied;
+		}
+	if (!process.HasCapability(ECapabilityWriteDeviceData))
+		{
+		return KErrPermissionDenied;
+		}
+
+	TRAPD(err, ReorderDeviceL(aKey, aNewPosition));
+	return err;
+	}
+
+
+/** Retrieves the list of devices
+
+@param aList [Out] Reference to an empty RPointerArray to populate with device entries from the list.
+
+@leave KErrPermissionDenied if the client does not have the required capabilities.
+
+@capability LocalServices
+
+@internalComponent
+*/
+void CLbsBtGpsConfigImpl::GetDeviceListL(RPointerArray<TLbsBtGpsDeviceInfo>& aList)
+	{
+	// Check capabilities first
+	RProcess process;
+	if (!process.HasCapability(ECapabilityLocalServices))
+		{
+		User::Leave(KErrPermissionDenied);
+		}
+
+	// Attempt to start a transaction
+	User::LeaveIfError(StartTransactionL(CRepository::EReadTransaction));
+
+	TInt deviceCount;
+	User::LeaveIfError(GetDeviceCount(deviceCount));
+
+	for (TInt index=0; index<deviceCount; ++index)
+		{
+		
+		TLbsBtGpsDeviceRecord devRecord;
+		
+		if (ReadDeviceRecord(index, devRecord) == KErrNone)
+			{
+			TLbsBtGpsDeviceInfo* devInfo = new (ELeave) TLbsBtGpsDeviceInfo();
+			CleanupStack::PushL(devInfo);
+			devInfo->SetKey(devRecord.Key());
+			devInfo->SetAddress(devRecord.SocketAddress().BTAddr());
+			devInfo->SetType(devRecord.Type());
+			aList.Append(devInfo);
+			CleanupStack::Pop(devInfo);
+			}
+		
+		}
+
+	// End central repository transaction
+	User::LeaveIfError(EndTransaction());
+	}
+	
+
+/**	This methods is reserved for future expansion and should not be used
+
+@param aFunctionNumber Reserved for future expansion
+@param aPtr1 Reserved for future expansion
+@param aPtr2 Reserved for future expansion
+
+@capability LocalServices
+
+@internalComponent
+*/								
+TAny* CLbsBtGpsConfigImpl::ExtendedInterface(TInt /*aFunctionNumber*/, TAny* /*aPtr1*/, TAny* /*aPtr2*/)
+	{
+	return NULL;
+	}
+
+
+// ------------------ Internal API methods ------------------
+
+
+/** Updates the device information for a device in the list
+
+@param aDeviceInfo [In] The updated device info for the specified device. The key should identify an existing device in the list.
+
+@return KErrNone if the operation succeeded.
+		KErrNotFound if the specified device is not present in the list.
+		KErrPermissionDenied if the client does not have the required capabilities.
+
+@capability LocalServices
+@capability WriteDeviceData
+
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::UpdateDevice(const TLbsBtGpsDeviceRecord& aDeviceRecord)
+	{
+	// Check capabilities first
+	RProcess process;
+	if (!process.HasCapability(ECapabilityLocalServices))
+		{
+		return KErrPermissionDenied;
+		}
+	if (!process.HasCapability(ECapabilityWriteDeviceData))
+		{
+		return KErrPermissionDenied;
+		}
+
+	TRAPD(err, UpdateDeviceL(aDeviceRecord));
+	return err;
+	}
+
+
+/** Retrieves the list of device records
+
+@param aList [Out] Reference to an empty RPointerArray to populate with device records from the list.
+
+@leave KErrPermissionDenied if the client does not have the required capabilities.
+
+@capability LocalServices
+
+@internalComponent
+*/
+void CLbsBtGpsConfigImpl::GetDeviceRecordListL(RPointerArray<TLbsBtGpsDeviceRecord>& aRecordList)
+	{
+	// Check capabilities first
+	RProcess process;
+	if (!process.HasCapability(ECapabilityLocalServices))
+		{
+		User::Leave(KErrPermissionDenied);
+		}
+	
+	// Attempt to start a transaction
+	User::LeaveIfError(StartTransactionL(CRepository::EReadTransaction));
+
+	// Get the number of devices in the list
+	TInt deviceCount;
+	User::LeaveIfError(GetDeviceCount(deviceCount));
+
+	for (TInt index=0; index<deviceCount; ++index)
+		{
+		// Create a new record container
+		TLbsBtGpsDeviceRecord* devRecord = new (ELeave) TLbsBtGpsDeviceRecord();
+		CleanupStack::PushL(devRecord);
+
+		// Read the record into the container
+		User::LeaveIfError(ReadDeviceRecord(index, *devRecord));
+
+		// Add to the passes list
+		aRecordList.Append(devRecord);
+		
+		CleanupStack::Pop(devRecord);
+		}
+
+	// End central repository transaction
+	User::LeaveIfError(EndTransaction());
+	}
+
+
+// ------------------ Protected methods ------------------
+
+
+/**	Active object DoCancel method
+@internalComponent
+*/								
+void CLbsBtGpsConfigImpl::DoCancel()
+	{
+	iRepos->NotifyCancel(KNotifyPartialKey, KNotifyMask);
+	}
+
+
+/**	Active object RunL method
+@internalComponent
+*/								
+void CLbsBtGpsConfigImpl::RunL()
+	{
+	if (iObserver)
+		{
+		iObserver->OnDeviceListUpdate();
+		iRepos->NotifyRequest(KNotifyPartialKey, KNotifyMask, iStatus);
+		SetActive();
+		}
+	}
+
+
+/** Adds a new device at the specified position index within the list - leaving version
+
+@see AddDevice
+
+@internalComponent
+*/
+void CLbsBtGpsConfigImpl::AddDeviceL(const TBTDevAddr& aAddress, TInt aPosition, TLbsBtGpsEntryKey& aKey)
+	{
+	TInt err;
+	TInt index;
+		
+	aKey = KLbsBtGpsEntryKeyNull;
+
+	// Attempt to start a transaction
+	User::LeaveIfError(StartTransactionL(CRepository::EReadWriteTransaction));
+
+	// Retrieve the current number of devices in the list
+	TInt deviceCount;
+	User::LeaveIfError(GetDeviceCount(deviceCount));
+
+	// Check that the desired position is in range, adjust if required
+	if (aPosition < 0 || aPosition > deviceCount)
+		{
+		aPosition = deviceCount;
+		}
+
+	// Leave if we've reached the maximum number of devices allowed in the list
+	if (deviceCount >= KMaxDevices)
+		{
+		User::Leave(KErrOverflow);
+		}
+
+	// Device record container
+	TLbsBtGpsDeviceRecord devRecord;
+	
+	// Leave if a device with this address is already present in the list
+	for (index=0; index<deviceCount; ++index)
+		{
+		User::LeaveIfError(ReadDeviceRecord(index, devRecord));
+
+		if (devRecord.SocketAddress().BTAddr() == aAddress)
+			{
+			// Return the key identifying the existing device
+			aKey = devRecord.Key();
+			User::Leave(KErrAlreadyExists);
+			}
+		}
+	
+	// Read the last allocated device key
+	TInt key;
+	err = iRepos->Get(KSettingLastKey, key);
+	if (err == KErrNotFound)
+		{
+		// Value not present in centrep, initialise sequence to NULL key
+		key = KLbsBtGpsEntryKeyNull;
+		}
+	else
+		{
+		User::LeaveIfError(err);
+		}
+
+	// Increment to get next available key to assign to the new device 
+	++key;
+	
+	// Write current key
+	User::LeaveIfError(iRepos->Set(KSettingLastKey, key));
+
+	// Move all entries following the desired position down one place, starting from the end
+	for (index=deviceCount-1; index>=aPosition; --index)
+		{
+		User::LeaveIfError(MoveDeviceRecord(index, index+1));
+		}
+		
+	// Build a device record to add to the list
+	devRecord.SetKey(key);
+
+	TBTSockAddr sockAddr;
+	sockAddr.SetBTAddr(aAddress);
+	devRecord.SetSocketAddress(sockAddr);
+
+	// Set unknown type for new devices
+	devRecord.SetType(TLbsBtGpsDeviceInfo::ELbsBtGpsDeviceUnknown);
+
+	// Write the new device record at the desired position
+	User::LeaveIfError(WriteDeviceRecord(aPosition, devRecord));
+
+	// Increment device counter and write to cenrep
+	++deviceCount;
+	User::LeaveIfError(iRepos->Set(KSettingNumDevices, deviceCount));
+	
+	// End central repository transaction
+	User::LeaveIfError(EndTransaction());
+
+	// Set key to return to client now the transaction has succeeded
+	aKey = key;
+	}
+
+
+/** Removes a device from the list - leaving version
+
+@see RemoveDevice
+
+@internalComponent
+*/
+void CLbsBtGpsConfigImpl::RemoveDeviceL(TLbsBtGpsEntryKey aKey)
+	{
+	// Attempt to start a transaction
+	User::LeaveIfError(StartTransactionL(CRepository::EReadWriteTransaction));
+
+	// Get the number of devices in the list
+	TInt deviceCount;
+	User::LeaveIfError(GetDeviceCount(deviceCount));
+
+	// Flag to indicate if we have found the device record yet
+	TBool foundDevice = EFalse;
+
+	// Device record container
+	TLbsBtGpsDeviceRecord devRecord;
+
+	// Look for the device record
+	for (TInt index=0; index<deviceCount; ++index)
+		{
+		User::LeaveIfError(ReadDeviceRecord(index, devRecord));
+
+		if (foundDevice)
+			{
+			// Move following records up one place
+			User::LeaveIfError(MoveDeviceRecord(index, index-1));
+			}
+		else if (devRecord.Key() == aKey)
+			{
+			// Found the device record, delete it from cenrep
+			foundDevice = ETrue;
+			
+			TUint32 keyBase = (KFirstDeviceIndex + index) << KDeviceIndexShift;
+			TUint32 errKey;
+				
+			User::LeaveIfError(iRepos->Delete(keyBase, KDeviceIndexMask, errKey));
+			}
+		}
+
+	if (!foundDevice)
+		{
+		User::Leave(KErrNotFound);
+		}
+
+	// Decrement device counter and write to cenrep
+	--deviceCount;
+	User::LeaveIfError(iRepos->Set(KSettingNumDevices, deviceCount));
+	
+	// End central repository transaction
+	User::LeaveIfError(EndTransaction());
+	}
+
+
+/** Empties the device list, removing all device entries - leaving version
+
+@see EmptyDeviceList
+
+@internalComponent
+*/
+void CLbsBtGpsConfigImpl::EmptyDeviceListL()
+	{
+	// Read last allocated device key as we want to save this
+	TInt key;
+	TInt err = iRepos->Get(KSettingLastKey, key);
+	if (err == KErrNotFound)
+		{
+		// Value not present in centrep, initialise sequence to NULL key
+		key = KLbsBtGpsEntryKeyNull;
+		}
+	else if (err != KErrNone)
+		{
+		User::Leave(err);
+		}
+
+	// Reset the repository
+	User::LeaveIfError(iRepos->Reset());
+
+	// Write back last key value
+	User::LeaveIfError(iRepos->Set(KSettingLastKey, key));
+	}
+
+
+/** Reorders a device in the list by specifying a new position index - leaving version
+
+@see ReorderDevice
+
+@internalComponent
+*/
+void CLbsBtGpsConfigImpl::ReorderDeviceL(TLbsBtGpsEntryKey aKey, TInt aNewPosition)
+	{
+	// Attempt to start a transaction
+	User::LeaveIfError(StartTransactionL(CRepository::EReadWriteTransaction));
+
+	// Get the number of devices in the list
+	TInt deviceCount;
+	User::LeaveIfError(GetDeviceCount(deviceCount));
+
+	// Check that the desired position is in range, adjust if required
+	if (aNewPosition < 0 || aNewPosition >= deviceCount)
+		{
+		aNewPosition = deviceCount-1;
+		}
+	
+	// This will store the current position of the device, if found
+	TInt oldPosition = KErrNotFound;
+
+	// This will store the device record while we move it
+	TLbsBtGpsDeviceRecord devRecord;
+	
+	// Look for the device entry to move
+	TInt index;
+	for (index=0; index<deviceCount; ++index)
+		{
+		User::LeaveIfError(ReadDeviceRecord(index, devRecord));
+
+		if (devRecord.Key() == aKey)
+			{
+			// Found the device record
+			oldPosition = index;
+			break;
+			}
+		}
+
+	// Leave if the device entry to move cannot be found in the list
+	if (oldPosition == KErrNotFound)
+		{
+		User::Leave(KErrNotFound);
+		}
+
+	// Check if device record needs to be moved
+	if (oldPosition != aNewPosition)
+		{
+		// Delete the record from cenrep
+		TUint32 keyBase = (KFirstDeviceIndex + oldPosition) << KDeviceIndexShift;
+		TUint32 errKey;
+		User::LeaveIfError(iRepos->Delete(keyBase, KDeviceIndexMask, errKey));
+	
+		if (oldPosition < aNewPosition)
+			{
+			// Moving towards the end of the list - shift intermediate entries up one place
+			for (index = oldPosition + 1; index <= aNewPosition; ++index)
+				{
+				User::LeaveIfError(MoveDeviceRecord(index,index-1));
+				}
+			}
+		else if (oldPosition > aNewPosition)
+			{
+			// Moving towards the start of the list - shift intermediate entries down one place
+			for (index = oldPosition - 1; index >= aNewPosition; --index)
+				{
+				User::LeaveIfError(MoveDeviceRecord(index,index+1));
+				}
+			}
+	
+		// Write the record at the new position 
+		User::LeaveIfError(WriteDeviceRecord(aNewPosition, devRecord));
+		}
+	
+	// End central repository transaction
+	User::LeaveIfError(EndTransaction());
+	}
+
+
+/** Updates the device information for a device in the list - leaving version
+
+@see UpdateDevice
+
+@internalComponent
+*/
+void CLbsBtGpsConfigImpl::UpdateDeviceL(const TLbsBtGpsDeviceRecord& aDeviceRecord)
+	{
+	// Attempt to start a transaction
+	User::LeaveIfError(StartTransactionL(CRepository::EReadWriteTransaction));
+
+	// Get the number of devices in the list
+	TInt deviceCount;
+	User::LeaveIfError(GetDeviceCount(deviceCount));
+
+	// Flag to indicate if we have found the device record yet
+	TBool foundDevice = EFalse;
+
+	// Device record container
+	TLbsBtGpsDeviceRecord devRecord;
+
+	// Look for the device record
+	for (TInt index=0; index<deviceCount; ++index)
+		{
+		User::LeaveIfError(ReadDeviceRecord(index, devRecord));
+
+		if (devRecord.Key() == aDeviceRecord.Key())
+			{
+			// Found the device record, update it with the new one passed in
+			foundDevice = ETrue;
+			User::LeaveIfError(WriteDeviceRecord(index, aDeviceRecord));
+			break;
+			}
+		}
+
+	if (!foundDevice)
+		{
+		User::Leave(KErrNotFound);
+		}
+	
+	// End central repository transaction
+	User::LeaveIfError(EndTransaction());
+	}
+
+
+/** Attempt to start a central repository transaction 
+
+@return KErrNone if the operation succeeded.
+ 
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::StartTransactionL(CRepository::TTransactionMode aMode)
+	{
+	TInt retries = 0;
+
+	while (ETrue)
+		{
+		// Attempt to start the transaction
+		TInt err = iRepos->StartTransaction(aMode);
+		
+		if (err == KErrNone)
+			{
+			// Transaction started succesfully
+			break;
+			}
+		else if (err == KErrLocked && (retries++ < KLockedRetries)) 
+			{
+			// Repository is locked by another client, wait before retrying
+			User::After(TTimeIntervalMicroSeconds32(KLockedRetryDelay));
+			}
+		else
+			{
+			// Another error occurred, or maximum number of retries reached
+			return err;
+			}
+		}
+
+	// Make sure the transaction is cancelled if something goes wrong
+	iRepos->CleanupCancelTransactionPushL();
+	
+	return KErrNone;
+	}
+
+
+/** End (commit) a central repository transaction 
+
+@return KErrNone if the operation succeeded.
+ 
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::EndTransaction()
+	{
+	CleanupStack::Pop(); // CleanupCancelTransaction
+
+	TUint32 errKey;
+	return iRepos->CommitTransaction(errKey);
+	}
+
+
+/** Read a device record from cenrep by index 
+
+@param aIndex [In] The index of the device entry to read
+@param aDeviceInfo [Out] Device info to fill from cenrep  
+
+StartTransaction should have been called.
+
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::ReadDeviceRecord(TInt aIndex, TLbsBtGpsDeviceRecord& aDeviceRecord)
+	{
+	TInt err;
+	TUint32 keyBase = (KFirstDeviceIndex + aIndex) << KDeviceIndexShift;
+
+	TInt deviceKey;
+	err = iRepos->Get(keyBase | KDeviceSettingKey, deviceKey);
+	if (err != KErrNone)
+		{
+		return err;
+		}
+	aDeviceRecord.SetKey(deviceKey);
+
+	TInt deviceType;
+	err = iRepos->Get(keyBase | KDeviceSettingType, deviceType);
+	if (err != KErrNone)
+		{
+		return err;
+		}
+	aDeviceRecord.SetType(deviceType);
+
+	TBuf<KMaxSockAddrSize> addressBuffer;
+	err = iRepos->Get(keyBase | KDeviceSettingSockAddr, addressBuffer);
+	if (err != KErrNone)
+		{
+		return err;
+		}
+	TBTSockAddr address; 
+	address.Copy(addressBuffer);
+	aDeviceRecord.SetSocketAddress(address);
+	
+	return KErrNone;
+	}
+
+
+/** Write a device record to cenrep by index
+
+@param aIndex [In] The index of the device entry to write
+@param aDeviceInfo [Out] Device info to write to cenrep  
+
+StartTransaction should have been called.
+
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::WriteDeviceRecord(TInt aIndex, const TLbsBtGpsDeviceRecord& aDeviceRecord)
+	{
+	TInt err;
+	TUint32 keyBase = (KFirstDeviceIndex + aIndex) << KDeviceIndexShift;
+	
+	TInt deviceKey = aDeviceRecord.Key();
+	err = iRepos->Set(keyBase | KDeviceSettingKey, deviceKey);
+	if (err != KErrNone)
+		{
+		return err;
+		}
+	
+	TInt deviceType = aDeviceRecord.Type();
+	err = iRepos->Set(keyBase | KDeviceSettingType, deviceType);
+	if (err != KErrNone)
+		{
+		return err;
+		}
+
+	TBuf<KMaxSockAddrSize> addressBuffer;
+	addressBuffer.Copy(aDeviceRecord.SocketAddress());
+	err = iRepos->Set(keyBase | KDeviceSettingSockAddr, addressBuffer);
+	if (err != KErrNone)
+		{
+		return err;
+		}
+	
+	return KErrNone;
+	}
+
+
+/** Move a device record from old to new position
+
+@param aOldIndex [In] The current index of the device record in the list
+@param aOldIndex [In] The new index of the device record in the list  
+
+StartTransaction should have been called.
+
+@internalComponent
+*/
+TInt CLbsBtGpsConfigImpl::MoveDeviceRecord(TInt aOldIndex, TInt aNewIndex)
+	{
+	TUint32 oldKeyBase = (KFirstDeviceIndex + aOldIndex) << KDeviceIndexShift;
+	TUint32 newKeyBase = (KFirstDeviceIndex + aNewIndex) << KDeviceIndexShift;
+	TUint32 errKey;
+		
+	return iRepos->Move(oldKeyBase, newKeyBase, KDeviceIndexMask, errKey);
+	}
+
+
+/** Class constructor 
+
+@param aObserver [IN] Optional observer, which will recieve update notifications.
+
+@internalComponent
+*/
+CLbsBtGpsConfigImpl::CLbsBtGpsConfigImpl(MLbsBtGpsConfigObserver* aObserver)
+: CActive(CActive::EPriorityStandard),
+  iObserver(aObserver)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+
+/** Second phase constructor 
+@internalComponent
+*/
+void CLbsBtGpsConfigImpl::ConstructL()
+	{
+	iRepos = CRepository::NewL(TUid::Uid(KLbsBtGpsConfigRepositoryUid));
+	iRepos->NotifyRequest(KNotifyPartialKey, KNotifyMask, iStatus);
+	SetActive();
+	}