epoc32/include/remconmediainformationtargetobserver.h
branchSymbian2
changeset 2 2fe1408b6811
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/remconmediainformationtargetobserver.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -0,0 +1,77 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +
    1.20 +
    1.21 +/**
    1.22 + @file
    1.23 + @publishedAll
    1.24 + @released
    1.25 +*/
    1.26 +
    1.27 +#ifndef REMCONMEDIAINFORMATIONTARGETOBSERVER_H
    1.28 +#define REMCONMEDIAINFORMATIONTARGETOBSERVER_H
    1.29 +
    1.30 +#include <e32base.h>
    1.31 +
    1.32 +enum TMediaAttributeId
    1.33 +	{
    1.34 +	ETitleOfMedia 			=0x1,
    1.35 +	ENameOfArtist			=0x2,
    1.36 +	ENameOfAlbum			=0x3,
    1.37 +	ETrackNumber			=0x4,		/* for example the CD track number */
    1.38 +	ENumberOfTracks			=0x5,		/* for example the total track number of the CD */
    1.39 +	EGenre					=0x6,
    1.40 +	EPlayingTime			=0x7
    1.41 +	};
    1.42 +
    1.43 +/**
    1.44 + * Provide an iterator wrapper class 
    1.45 + */
    1.46 +class TMediaAttributeIter
    1.47 +	{
    1.48 +public:
    1.49 +	TMediaAttributeIter(RArray<TMediaAttributeId>& aMediaAttributeIDs);
    1.50 +	IMPORT_C void Start();
    1.51 +	IMPORT_C TBool Next(TMediaAttributeId& aId);
    1.52 +	
    1.53 +private:
    1.54 +	RArray<TMediaAttributeId>& iMediaAttributeIDs;
    1.55 +	TInt iterator;
    1.56 +	};
    1.57 +
    1.58 +
    1.59 +/**
    1.60 +Clients must implement this interface in order to instantiate objects of type 
    1.61 +CRemConMediaInformationTarget. This interface passes incoming commands from RemCon to 
    1.62 +the client. 
    1.63 +*/
    1.64 +NONSHARABLE_CLASS(MRemConMediaInformationTargetObserver)
    1.65 +	{
    1.66 +public:
    1.67 +
    1.68 +	/**
    1.69 +	For each element in aAttributeList for which the requested Metadata is available,
    1.70 +	the client shall respond by calling CRemConMediaInformationTarget::AttributeValue(). 
    1.71 +	After all attributes have been supplied the client shall call CRemConMediaInformationTarget::Completed().
    1.72 +	@param aAttributeList A CMediaAttributeIDs containing a list of TMediaAttributeIds requested by the controller
    1.73 +	@see CRemConMediaInformationTarget::AttributeValue()
    1.74 +	@see CRemConMediaInformationTarget::Completed()
    1.75 +	*/
    1.76 +	virtual void MrcmitoGetCurrentlyPlayingMetadata( TMediaAttributeIter& aAttributeIter ) = 0;
    1.77 +
    1.78 +	};
    1.79 +
    1.80 +#endif // REMCONMEDIAINFORMATIONTARGETOBSERVER_H