1 /*

     2 * Copyright (c) 2008 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:  Video Source subsystem.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include "cactivewait.h"

    21 

    22 const TInt KFirstFrameIndx = 0;

    23 

    24 // MACROS

    25 

    26 #ifdef _DEBUG

    27 #    define __IF_DEBUG(t) {RDebug::t;}

    28 #else

    29 #    define __IF_DEBUG(t)

    30 #endif

    31 

    32 // ============================ CVSActiveWait ===============================

    33 

    34 // -----------------------------------------------------------------------------

    35 // CVSActiveWait::~CVSActiveWait()

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

    37 //

    38 template <class R>

    39 CVSActiveWait< R >::~CVSActiveWait()

    40     {

    41     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::~CVSActiveWait() >>"), RThread().Id().operator TUint()));

    42     Cancel();

    43     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::~CVSActiveWait() <<"), RThread().Id().operator TUint()));

    44     }

    45 

    46 // -----------------------------------------------------------------------------

    47 // CVSActiveWait::RequestStatus()

    48 // -----------------------------------------------------------------------------

    49 //

    50 template <class R>

    51 TRequestStatus* CVSActiveWait< R >::RequestStatus()

    52     {

    53     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::RequestStatus() >>"), RThread().Id().operator TUint()));

    54     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::RequestStatus() <<"), RThread().Id().operator TUint()));

    55     return &iStatus;

    56     }

    57 

    58 // -----------------------------------------------------------------------------

    59 // CVSActiveWait::Signal( TInt aError )

    60 // -----------------------------------------------------------------------------

    61 //

    62 template <class R>

    63 void CVSActiveWait< R >::Signal( TInt aError )

    64     {

    65     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::Signal() >>"), RThread().Id().operator TUint()));

    66     if( IsActive() )

    67         {

    68         TRequestStatus* status = &iStatus;

    69         User::RequestComplete( status, aError );

    70         }

    71     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::Signal() <<"), RThread().Id().operator TUint()));

    72     }

    73 

    74 // -----------------------------------------------------------------------------

    75 // CVSActiveWait::RunL()

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

    77 //

    78 template <class R>

    79 void CVSActiveWait< R >::RunL()

    80     {

    81     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::RunL() >>"), RThread().Id().operator TUint()));

    82     (iRequester->*iCallback)( iStatus.Int() );

    83     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::RunL() <<"), RThread().Id().operator TUint()));

    84     }

    85 

    86 // -----------------------------------------------------------------------------

    87 // CVSActiveWait::DoCancel()

    88 // -----------------------------------------------------------------------------

    89 //

    90 template <class R>

    91 void CVSActiveWait< R >::DoCancel()

    92     {

    93     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::DoCancel() >>"), RThread().Id().operator TUint()));

    94     TRequestStatus* pStatus = &iStatus;

    95     User::RequestComplete( pStatus, KErrCancel );

    96     __IF_DEBUG(Print(_L("VideoSource [%d]: CVSActiveWait::DoCancel() <<"), RThread().Id().operator TUint()));

    97     }

    98     

    99