// MmfDevSoundCustomInterfaceSupport.h

// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// which accompanies this distribution, and is available

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef MMFDEVSOUNDCUSTOMINTERFACESUPPORT_H

#define MMFDEVSOUNDCUSTOMINTERFACESUPPORT_H

/**

@publishedAll

@released

Custom Interface providing support for AutoPauseResume Register, Cancel, GetResourceNotificationData and WillResumePlay.

*/

class MAutoPauseResumeSupport

	{

public:

	/**

	Registers the event for notification when resource is avaliable.

	@param aEventType

		The event which the client is notified of.

	@param aNotificationRegistrationData

		Notification registration specific data, which has been reserved for future use.

	@return An error code indicating if the function call was successful. KErrNone on success, otherwise

	        another of the system-wide error codes.

	*/

	virtual TInt RegisterAsClient(TUid aEventType, const TDesC8& aNotificationRegistrationData = KNullDesC8)=0;

	/**

	Cancels the registered notification event.

	@param  aEventType

		The event to notify the client.

	@return An error code indicating if the function call was successful. KErrNone on success, otherwise

	        another of the system-wide error codes.

	*/

	virtual TInt CancelRegisterAsClient(TUid aEventType)=0;

	/**

	Gets the notification data for the event.

	@param  aEventType

		The event which the client is notified of.

	@param aNotificationData

		The notification data for the client to resume playing. The actual data depends on the event type.

		Note that for the event type 'KMMFEventCategoryAudioResourceAvailable' the package buffer returned

		is TMMFTimeIntervalMicroSecondsPckg, but the contents should be converted to an integer and

		interpreted as the data returned is samples played, but not as a microsecond value.

	@return An error code indicating if the function call was successful. KErrNone on success, otherwise

	        another of the system-wide error codes.

	*/

	virtual TInt GetResourceNotificationData(TUid aEventType,TDes8& aNotificationData)=0;

	/**

	Waits for the client to resume the play even after the default timer expires.

	@return An error code indicating if the function call was successful. KErrNone on success, otherwise

	        another of the system-wide error codes.

	*/

	virtual TInt WillResumePlay()=0;

	};

#endif // MMFDEVSOUNDCUSTOMINTERFACESUPPORT_H