1 /*

     2 * Copyright (c) 2002-2007 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:  This class is used for playing sounds

    15 *

    16 */

    17 

    18 #ifndef CMMAMMFPLAYERBASE_H

    19 #define CMMAMMFPLAYERBASE_H

    20 

    21 //  INCLUDES

    22 #include <mmf/common/mmfstandardcustomcommands.h>

    23 #include "cmmaplayer.h"

    24 

    25 class CMMAMMFResolver;

    26 //  CLASS DECLARATION

    27 /**

    28 *   This is base class for players those use MMF

    29 *

    30 *

    31 */

    32 

    33 class CMMAMMFPlayerBase : public CMMAPlayer,

    34         public MMMFControllerEventMonitorObserver

    35 {

    36 protected:

    37     //   C++ constructor

    38     CMMAMMFPlayerBase(CMMAMMFResolver* aResolver);

    39     void ConstructL();

    40 

    41     ~CMMAMMFPlayerBase();

    42 public: // new methods

    43     /**

    44      * Getter for RMMFController

    45      */

    46     IMPORT_C RMMFController& Controller();

    47 

    48     /**

    49      * Check whether this player is playing from a file locator

    50      * @return ETrue if is a file player, EFalse otherwise

    51      */

    52     TBool IsFilePlayer();

    53 

    54 public: // from CMMAPlayer

    55     void StartL();

    56     void StopL(TBool aPostEvent);

    57     void DeallocateL();

    58     IMPORT_C void GetDuration(TInt64* aDuration);

    59     void SetMediaTimeL(TInt64* aTime);

    60     void GetMediaTime(TInt64* aMediaTime);

    61     void CloseL();

    62 

    63 protected: // New methods

    64 

    65     /**

    66      * Loops through iControllerInfos and tries to open those

    67      * @param aSourceUid Data source uid

    68      * @param aSourceData Data for source

    69      * @param aSinkUid Data sink uid

    70      * @param aSinkData Data for sink.

    71      * @param aPrioritySettings Controller's priority.

    72      * @return KErrNone if controller was opened

    73      */

    74     IMPORT_C virtual TInt DoOpen(TUid aSourceUid,

    75                                  const TDesC8& aSourceData,

    76                                  TUid aSinkUid,

    77                                  const TDesC8& aSinkData,

    78                                  TMMFPrioritySettings aPrioritySettings);

    79 

    80 public: // from MMMFControllerEventMonitorObserver

    81     void HandleEvent(const class TMMFEvent& aEvent);

    82 

    83 protected:

    84 

    85     /**

    86      * Controller infos, owned

    87      */

    88     RMMFControllerImplInfoArray* iControllerInfos;

    89 

    90     /**

    91      * Used to control mmf plugin.

    92      */

    93     RMMFController iController;

    94 

    95     /**

    96      * Owned member.

    97      * Event monitor is used to monitor iController for events.

    98      * If an event occurs, this class will be notified via the

    99      * MMMFControllerEventMonitorObserver interface

   100      */

   101     CMMFControllerEventMonitor* iEventMonitor;

   102 

   103     /**

   104      * Filename used for playing directly from file, owned

   105      */

   106     HBufC* iFileName;

   107 

   108     /**

   109     * Cached media time

   110     */

   111     TInt64 iMediaTime;

   112 

   113     /**

   114     * The time that will be sent with CMMAPlayerEvent::EStarted

   115     * (may be different from iMediaTime).

   116     */

   117     TInt64 iStartedEventTime;

   118 };

   119 

   120 #endif // CMMAMMFPLAYERBASE_H