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: SmilPlayerTimeObserver  declaration

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef SMILPLAYERTIMEOBSERVER_H

    21 #define SMILPLAYERTIMEOBSERVER_H

    22 

    23 //  INCLUDES

    24 #include <e32base.h>

    25 

    26 // CONSTANTS

    27 

    28 // FORWARD DECLARATIONS

    29 

    30 // DATA TYPES

    31 

    32 // CLASS DECLARATION

    33 

    34 /**

    35 * This interface class is implemented by time indicator timer observer.

    36 *

    37 * @lib smilplayer.lib

    38 * @since 3.0

    39 */

    40 NONSHARABLE_CLASS(MSmilPlayerTimeObserver)

    41     {

    42     public:

    43         

    44         /**

    45         * Called by timer when time string has changed.

    46         *

    47         * @since 3.0

    48         *

    49         * @param aTimeString IN Changed time string.

    50         */

    51         virtual void TimeChangedL( const TDesC& aTimeString ) = 0;

    52         

    53         /**

    54         * Called by timer to retrieve current time.

    55         *

    56         * @since 3.0

    57         *

    58         * @return Current time on milliseconds.

    59         */

    60         virtual TInt CurrentTime() const = 0;

    61         

    62         /**

    63         * Called by timer to retrieve presentation duration.

    64         *

    65         * @since 3.0

    66         *

    67         * @return Presentation duration on milliseconds.

    68         */

    69         virtual TInt PresentationDuration() const = 0;

    70         

    71         /**

    72         * Called by timer check if presentation duration is finite.

    73         *

    74         * @since 3.0

    75         *

    76         * @return ETrue is duration is finite and EFalse if it is infinite.

    77         */

    78         virtual TBool IsDurationFinite() const = 0;

    79     };

    80 

    81 

    82 #endif  // SMILPLAYERTIMEOBSERVER_H

    83             

    84 // End of File