1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @publishedPartner

    19  @released

    20 */

    21 

    22 #ifndef CONTROLLERSTATEOBSERVER_H

    23 #define CONTROLLERSTATEOBSERVER_H

    24 

    25 #include <bluetooth/hci/hcitypes.h>

    26 

    27 /**

    28 Interface for receiving controller state change events.

    29 Power state and reset events.

    30 */

    31 class MControllerStateObserver

    32 	{

    33 public:

    34 	enum TControllerChangeType

    35 		/**

    36 		This is primarily to inform the stack what it needs to do. 

    37 		May also be used elsewhere within the HCI framework if required.

    38 		*/

    39 		{

    40 		EBTNonFatalChange, /*!< No state changes in layers above required as a result of function call. */

    41 		EBTFatalChange, /*!< State changes may be required in layers above required as a result of function call. */

    42 		};

    43 

    44 

    45 	/**

    46 	Called to signal that a change in power state has occurred.

    47 	@param aError Any error condition that has occurred.

    48 	@param aChangeType The impact on the receiver of the call.

    49 	@param aState The new power state (that has just been entered).

    50 	*/

    51 	virtual void McsoProcessPowerChange(TInt aError, TControllerChangeType aChangeType, TBTPowerState aState) = 0;

    52 

    53 	/**

    54 	Called to signal that the hard reset process has reached a new state.

    55 	

    56 	@param aError Any error condition that has occurred.

    57 	@param aChangeType The impact on the receiver of the call.

    58 	@param aState The new hard reset state (that has just been entered).

    59 	*/

    60 	virtual void McsoProcessHardResetPhaseChange(TInt aError, TControllerChangeType aChangeType, TBTHardResetState aState) = 0;

    61 	};

    62 

    63 #endif // CONTROLLERSTATEOBSERVER_H