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:  Definition of the S60 Audio Player event monitor

    15 *

    16 */

    17 

    18 #ifndef __CPLAYEREVENTDISPATCHER_H__

    19 #define __CPLAYEREVENTDISPATCHER_H__

    20 

    21 #include <e32base.h>

    22 #include <e32std.h>

    23 

    24 #include "MS60AudioPlayerObserver.h"

    25 #include "S60AudioPlayer.h"

    26 

    27 

    28 /**

    29 Active object utility class to allow the callback to be called asynchronously.

    30 This should help prevent re-entrant code in clients of the mediaframework.

    31 */

    32 class CPlayerEventDispatcher : public CActive

    33 

    34 	{

    35 

    36 	enum TPlayerEvent

    37 		{

    38 		EAddSourceComplete = 1,

    39 		EStateChanged,

    40 		EFastForwardSupportChanged,

    41 		ERewindSupportChanged,

    42 		EDurationChanged,

    43 		};

    44 

    45 	public:

    46 

    47         /**

    48         * Two-phased constructor.

    49         */

    50 		static CPlayerEventDispatcher* NewL(MS60AudioPlayerObserver& aObserver);

    51 		/**

    52         *	Destructor

    53         */

    54 		virtual ~CPlayerEventDispatcher();

    55 

    56         /**

    57         * Callback for the App that AddSource is complete

    58         * @since Series 60 3.1

    59         * @param aError One of the Standard Error Codes

    60         */

    61 		void AddSourceComplete(TInt aError);

    62 

    63         /**

    64         * Callback for the App that the Player State Changed

    65         * @since Series 60 3.1

    66         * @param aState Resulting State after the change

    67         * @param aError One of the Standard Error Codes

    68         */

    69 		void StateChanged(TPlayerState aState, TInt aError);

    70 

    71         /**

    72         * Used to Indiacate the FastForward Support change

    73         * @since Series 60 3.1

    74         */

    75 		void FastForwardSupportChanged();

    76 

    77         /**

    78         * Used to Indiacate the Rewind Support change

    79         * @since Series 60 3.1

    80         */

    81 		void RewindSupportChanged();

    82 

    83         /**

    84         * Callback for the App that the Duration changed

    85         * @since Series 60 3.1

    86         * @param aDuration The New Duration After the Change

    87         */

    88 		void DurationChanged(const TTimeIntervalMicroSeconds& aDuration);

    89 

    90 	private:

    91 		CPlayerEventDispatcher(MS60AudioPlayerObserver& aObserver);

    92 		void ConstructL();

    93 		void RunL();

    94 		void DoCancel();

    95 

    96 	private:

    97 

    98 		MS60AudioPlayerObserver* iObserver;

    99 		TInt iError;

   100 		TTimeIntervalMicroSeconds iDuration;

   101 		TPlayerEvent iPlayerEvent;

   102 		TPlayerState iPlayerState;

   103 	};

   104 

   105 #endif //__CPLAYEREVENTDISPATCHER_H__

   106 

   107 //  End of File