1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: Music Player now playing widget backend - Private.

    15 *

    16 */

    17 

    18 #ifndef MPNOWPLAYINGBACKEND_P_H

    19 #define MPNOWPLAYINGBACKEND_P_H

    20 

    21 #include <mpxplaybackobserver.h>

    22 #include "mpnowplayingbackend.h"

    23 

    24 

    25 //forward declartions

    26 class MMPXPlaybackUtility;

    27 

    28 //class declaration

    29 class MpNowPlayingBackEndPrivate : public MMPXPlaybackObserver,

    30                                    public MMPXPlaybackCallback

    31 {

    32 

    33 public:

    34     explicit MpNowPlayingBackEndPrivate(long int playerId,

    35         MpNowPlayingBackEnd *qq);

    36     virtual ~MpNowPlayingBackEndPrivate();

    37 

    38     void update();

    39     void playPause();

    40 

    41 public: //from MMPXPlaybackObserver

    42     void HandlePlaybackMessage( CMPXMessage* aMessage, TInt aError );

    43 

    44 public: //from MMPXPlaybackCallback

    45     void HandlePropertyL( TMPXPlaybackProperty aProperty,

    46                           TInt aValue,

    47                           TInt aError);

    48     void HandleSubPlayerNamesL( TUid aPlayer,

    49                                 const MDesCArray* aSubPlayers,

    50                                 TBool aComplete,

    51                                 TInt aError );

    52     void HandleMediaL( const CMPXMedia& aProperties, TInt aError );

    53 

    54 private:

    55     void RequestMediaL();

    56     void UpdateStateL();

    57     void DoPlayPauseL();

    58     void DoHandlePlaybackMessageL( const CMPXMessage& message );

    59 

    60 private:

    61     MpNowPlayingBackEnd     *q_ptr;             // not owned

    62     SimplifiedPlayerState   mPreviousState;

    63     MMPXPlaybackUtility     *mPlaybackUtility;  // owned

    64 };

    65 

    66 #endif  // MPNOWPLAYINGBACKEND_P_H