1 /*

     2 * Copyright (c) 2002-2008 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:  Data context suitable for containers.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include <e32base.h>

    21 

    22 #include "AknsContainerDataContext.h"

    23 #include <AknsUtils.h>

    24 #include <AknsSkinInstance.h>

    25 

    26 // ============================ MEMBER FUNCTIONS ===============================

    27 

    28 // -----------------------------------------------------------------------------

    29 // CAknsContainerDataContext::CAknsContainerDataContext

    30 // C++ default constructor can NOT contain any code, that

    31 // might leave.

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

    33 //

    34 CAknsContainerDataContext::CAknsContainerDataContext()

    35     {

    36     }

    37 

    38 // -----------------------------------------------------------------------------

    39 // CAknsContainerDataContext::NewL

    40 // Two-phased constructor.

    41 // -----------------------------------------------------------------------------

    42 //

    43 CAknsContainerDataContext* CAknsContainerDataContext::NewL()

    44     {

    45     CAknsContainerDataContext* self = new (ELeave) CAknsContainerDataContext;

    46     return self;

    47     }

    48 

    49 // -----------------------------------------------------------------------------

    50 // Destructor

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

    52 //

    53 CAknsContainerDataContext::~CAknsContainerDataContext()

    54     {

    55     MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    56     if( !skin )

    57         {

    58         return;

    59         }

    60 

    61     TInt n;

    62 

    63     while( (n=iIDArray.Count()) > 0 )

    64         {

    65         skin->RootDataContext()->ReleaseItem( iIDArray[n-1] );

    66         iIDArray.Remove( n-1 );

    67         }

    68 

    69     iIDArray.Close();

    70     }

    71 

    72 // -----------------------------------------------------------------------------

    73 // CAknsContainerDataContext::ReserveItemL()

    74 // (documented in the header).

    75 // -----------------------------------------------------------------------------

    76 //

    77 void CAknsContainerDataContext::ReserveItemL( const TAknsItemID& aID )

    78     {

    79     MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    80     if( !skin )

    81         {

    82         return;

    83         }

    84 

    85     if( iIDArray.FindInOrder( aID, TAknsItemID::LinearOrder ) == KErrNotFound )

    86         {

    87         skin->RootDataContext()->ReserveItemL( aID );

    88         User::LeaveIfError(

    89             iIDArray.InsertInOrder( aID, TAknsItemID::LinearOrder ) );

    90         }

    91     }

    92 

    93 // -----------------------------------------------------------------------------

    94 // CAknsContainerDataContext::ReleaseItem()

    95 // (documented in the header).

    96 // -----------------------------------------------------------------------------

    97 //

    98 void CAknsContainerDataContext::ReleaseItem( const TAknsItemID& /*aID*/ )

    99     {

   100     }

   101 

   102 //  End of File