1 /*

     2 * Copyright (c) 2005 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:  Implementation for player state listener.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include "cammsplayerstatelistener.h"

    21 #include "cammscontrolgroup.h"

    22 #include <cmmaplayer.h>

    23 #include <cmmaplayerevent.h>

    24 

    25 // CONSTANTS

    26 const TInt KErrorMessageSize = 32;

    27 _LIT(KErrDefaultError, "AMMS error: %d");

    28 

    29 

    30 // ============================ MEMBER FUNCTIONS ===============================

    31 

    32 // -----------------------------------------------------------------------------

    33 // CAMMSPlayerStateListener::NewLC

    34 // Two-phased constructor.

    35 // (other items were commented in a header).

    36 // -----------------------------------------------------------------------------

    37 CAMMSPlayerStateListener* CAMMSPlayerStateListener::NewLC(

    38     CMMAPlayer* aPlayer,

    39     CAMMSControlGroup* aControlGroup)

    40 {

    41     CAMMSPlayerStateListener* self =

    42         new(ELeave) CAMMSPlayerStateListener(aPlayer,

    43                                              aControlGroup);

    44     CleanupStack::PushL(self);

    45 

    46     self->ConstructL();

    47 

    48     return self;

    49 }

    50 

    51 // -----------------------------------------------------------------------------

    52 // CAMMSPlayerStateListener::~CAMMSPlayerStateListener

    53 // Destructor.

    54 // (other items were commented in a header).

    55 // -----------------------------------------------------------------------------

    56 CAMMSPlayerStateListener::~CAMMSPlayerStateListener()

    57 {

    58     if (iPlayer)

    59     {

    60         iPlayer->RemoveStateListener(this);

    61     }

    62 }

    63 

    64 // -----------------------------------------------------------------------------

    65 // CAMMSPlayerStateListener::ConstructL

    66 // 2nd phase constructor.

    67 // (other items were commented in a header).

    68 // -----------------------------------------------------------------------------

    69 void CAMMSPlayerStateListener::ConstructL()

    70 {

    71     __ASSERT_DEBUG(iPlayer && iControlGroup, User::Invariant());

    72 

    73     iPlayer->AddStateListenerL(this);

    74 }

    75 

    76 // -----------------------------------------------------------------------------

    77 // CAMMSPlayerStateListener::CAMMSPlayerStateListener

    78 // C++ constructor.

    79 // (other items were commented in a header).

    80 // -----------------------------------------------------------------------------

    81 CAMMSPlayerStateListener::CAMMSPlayerStateListener(

    82     CMMAPlayer* aPlayer,

    83     CAMMSControlGroup* aControlGroup)

    84         : iPlayer(aPlayer),

    85         iControlGroup(aControlGroup)

    86 {

    87 }

    88 

    89 

    90 // -----------------------------------------------------------------------------

    91 // CAMMSPlayerStateListener::Player

    92 // Returns the player listened by this listener.

    93 // (other items were commented in a header).

    94 // -----------------------------------------------------------------------------

    95 CMMAPlayer* CAMMSPlayerStateListener::Player()

    96 {

    97     return iPlayer;

    98 }

    99 

   100 // -----------------------------------------------------------------------------

   101 // CAMMSPlayerStateListener::StateChanged

   102 // Called when player state is changed.

   103 // (other items were commented in a header).

   104 // -----------------------------------------------------------------------------

   105 void CAMMSPlayerStateListener::StateChanged(TInt aState)

   106 {

   107     TRAPD(err, iControlGroup->PlayerStateChangedL(iPlayer, aState));

   108 

   109     if (err != KErrNone)

   110     {

   111         TBuf<KErrorMessageSize> errorMessage;

   112         errorMessage.Format(KErrDefaultError, err);

   113         iPlayer->PostStringEvent(CMMAPlayerEvent::EError, errorMessage);

   114     }

   115 }

   116 

   117 //  End of File