1 // Copyright (c) 2001-2009 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 #ifndef __MMFDEVSOUNDEVENTHANDLER_H

    18 #define __MMFDEVSOUNDEVENTHANDLER_H

    19 

    20 #include <e32base.h>

    21 #include <e32std.h>

    22 #include "MmfPolicyClientServer.h"

    23 

    24 class CMMFDevSoundSessionXtnd;

    25 

    26 class RMMFAudioPolicyProxy;

    27 

    28 

    29 class TMMFAudioPolicyEvent

    30 	{

    31 public:

    32 

    33 /**

    34 	Default constructor.

    35 

    36 	Provided so this class can be packaged in a TPckgBuf<>.

    37 	@since 7.0s

    38 */

    39 	TMMFAudioPolicyEvent() : iEventType(EMMFAudioPolicyNoEvent), iErrorCode(KErrNone) {};

    40 	

    41 	enum TAudioPolicyEventType

    42 		{

    43 		EMMFAudioPolicyNoEvent = 0,

    44 		EMMFAudioPolicySwitchToIdle,

    45 		EMMFAudioPolicyPriorityTooLow,

    46 		EMMFAudioPolicyResourceNotification

    47 		};

    48 		

    49 	TMMFAudioPolicyEvent(TAudioPolicyEventType aType, TInt aError, TMMFAudioPolicyState aState) : 

    50 							iEventType(aType), iErrorCode(aError), iState(aState) {};

    51 

    52 	TAudioPolicyEventType iEventType;

    53 	TInt iErrorCode;

    54 	TMMFAudioPolicyState iState;				

    55 

    56 	};

    57 

    58 typedef TPckgBuf<TMMFAudioPolicyEvent> TMMFAudioPolicyEventPckg;

    59 

    60 class CMMFDevSoundEventHandler : public CActive

    61 /**

    62 *@internalTechnology

    63 */

    64 	{

    65 public:

    66 	static CMMFDevSoundEventHandler* NewL(RMMFAudioPolicyProxy* aAudioPolicyProxy);

    67 	~CMMFDevSoundEventHandler();

    68 	void ReceiveEvents();

    69 	void CancelReceiveEvents();

    70 	void RunL();

    71 	TInt RunError(TInt aError);

    72 	void DoCancel();

    73 	void SetDevSoundInfo(CMMFDevSoundSessionXtnd* aDevSound);

    74 

    75 private:

    76 	void ConstructL();

    77 	CMMFDevSoundEventHandler(RMMFAudioPolicyProxy* aAudioPolicyProxy);

    78 private:

    79 	enum {EGranularity=8};

    80 	RMMFAudioPolicyProxy*  iAudioPolicyProxy;

    81 	TMMFAudioPolicyEventPckg	iAudioPolicyEventPckg;

    82 	TRequestStatus	iRequestStatus;

    83 	TInt			iDevSoundId;

    84 	CMMFDevSoundSessionXtnd*	iDevSound;

    85 	};

    86 

    87 

    88 

    89 

    90 #endif