1 // Copyright (c) 2008-2009 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 

    18 /**

    19  @file

    20  @publishedAll

    21  @released

    22 */

    23 

    24 #ifndef REMCONDATABASEAWARENOWPLAYINGTARGETOBSERVER_H

    25 #define REMCONDATABASEAWARENOWPLAYINGTARGETOBSERVER_H

    26 

    27 #include <remconmediabrowsetypes.h>

    28 

    29 /**

    30 It is intended for the client which is database aware.

    31 Clients must implement this interface in order to instantiate objects of type 

    32 CRemConDatabaseAwareNowPlayingTarget. This interface passes incoming commands 

    33 from RemCon to the client. 

    34 

    35 @see CRemConDatabaseAwareNowPlayingTarget

    36 */

    37 NONSHARABLE_CLASS(MRemConDatabaseAwareNowPlayingTargetObserver) 

    38 	{

    39 public:

    40 	/**

    41 	Requests to play an item.

    42 	

    43 	@param aItem The item requested to play. 

    44 	     - If it does not refer to any valid item, the client must call 

    45 	       CRemConNowPlayingTargetBase::PlayItemResponse() 

    46 	       with the error KErrInvalidUid;	

    47 	     - If it refers to a directory which can not be handled by this media 

    48 	       player, the client must call 

    49 	       CRemConNowPlayingTargetBase::PlayItemResponse() 

    50 	       with the error KErrNowPlayingUidIsADirectory;

    51 	     - If it is in use and can not be played, the client must call 

    52 	       CRemConNowPlayingTargetBase::PlayItemResponse() 

    53 	       with the error KErrNowPlayingMediaInUse;

    54 	

    55 	@param aScope The scope in which the item was requested to play. 

    56 	

    57 	@param aMediaLibraryStateCookie The cookie which the remote device 

    58 	       believes refers to the current state of the media library. If this

    59 	       does not match the current state according to the client then the 

    60 	       client must call 

    61 	       CRemConNowPlayingTargetBase::PlayItemResponse() 

    62 	       with the error KErrInvalidMediaLibraryStateCookie.

    63 	

    64     @see CRemConNowPlayingTargetBase::PlayItemResponse().

    65 	*/

    66 	virtual void MrcdanptoPlayItem(const TRemConItemUid& aItem, 

    67 			TRemConFolderScope aScope, 

    68 			TUint16 aMediaLibraryStateCookie) = 0;

    69 

    70 	/**

    71 	Requests to add an item to now playing list.

    72 	

    73 	@param aItem The item requested to play.

    74 	     - If it does not refer to any valid item, the client must call 

    75 	       CRemConNowPlayingTargetBase::AddToNowPlayingResponse() 

    76 	       with the error KErrInvalidUid;

    77 	     - If it refers to a directory which can not be handled by this media 

    78 	       player, the client must call 

    79 	       CRemConNowPlayingTargetBase::AddToNowPlayingResponse() 

    80 	       with the error KErrNowPlayingUidIsADirectory;

    81 	     - If it is in use and can not be added to now playing list, the 

    82 	       client must call 

    83 	       CRemConNowPlayingTargetBase::AddToNowPlayingResponse() 

    84 	       with the error KErrNowPlayingMediaInUse;

    85 	

    86 	@param aScope The scope in which the item was requested to play. 

    87 	

    88 	@param aMediaLibraryStateCookie The cookie which the remote device 

    89 	       believes refers to the current state of the media library. If this 

    90 	       does not match the current state according to the client then the 

    91 	       client must call 

    92 	       CRemConNowPlayingTargetBase::PlayItemResponse()

    93 	       with the error KErrInvalidMediaLibraryStateCookie.

    94 	

    95     @see CRemConNowPlayingTargetBase::AddToNowPlayingResponse().

    96 	*/

    97 	virtual void MrcdanptoAddToNowPlaying(const TRemConItemUid& aItem, 

    98 			TRemConFolderScope aScope, 

    99 			TUint16 aMediaLibraryStateCookie) = 0;

   100 	};

   101 

   102 

   103 #endif //REMCONDATABASEAWARENOWPLAYINGTARGETOBSERVER_H