// 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:

 //

 #ifndef A3FDEVSOUNDAUDIOPAUSERESUME_H

 #define A3FDEVSOUNDAUDIOPAUSERESUME_H

 /**

 * @publishedPartner 

 * @released

 * @file

 */

 #include <e32base.h>

 /**

 * KUIdAudioResourceNotification – To get the interface of MAutoPauseResume from context.

 */

 const TInt KUIdAudioResourceNotificationValue = 0x10285D3B;

 const TUid KUIdAudioResourceNotification = {KUIdAudioResourceNotificationValue};

 /**

 Defines the interface for observing auto pause and resume events

 */

 class MA3FDevSoundAutoPauseResumeObserver

 	{

 public:

 	/*

 	Notifies the DevSound Adaptor that the resource is available.

 	*/

 	virtual void NotifyResume() = 0;

 	};

 /**

 Interface providing support for AutoPauseResume Register, Cancel and WillResumePlay.

 */

 class MA3FDevSoundAutoPauseResume

 	{

 public:

 	/*

 	Registers the Event for Notification when resource is avaliable.

 	@param TUid aEventType The event which the client is notified of.

 	@param TDesC8 &aNotificationRegistrationData Notification registration specific data.

 	@param MA3FDevSoundAutoPauseResumeObserver* aObserverPtr An Observer to receive the notification.

 	@return An error code indicating if the registration was successful. KErrNone on success, otherwise another of the system-wide error codes.

 	*/

 	virtual TInt RegisterAsClient(TUid aEventType, const TDesC8& aNotificationRegistrationData, MA3FDevSoundAutoPauseResumeObserver* aObserverPtr) = 0;

 	/*

 	Cancels the registered notification event.

 	@param TUid aEventType The Event to notify the client.

 	@return An error code indicating if the cancel registration was successful. KErrNone on success, otherwise another of the system-wide error codes.

 	*/

 	virtual TInt CancelRegisterAsClient(TUid aEventType) = 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 //A3FDEVSOUNDAUDIOPAUSERESUME_H