1 /*

     2 * Copyright (c) 2002 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: 

    15 *      A singleton wrapper for Logs views CAknNavigationDecorator objects (Tab groups). 

    16 *      Each unique Tab group is only created if it doesn't already exist. This fixes 

    17 *      error MVHA-6TJDMJ.

    18 *

    19 *

    20 */

    21 

    22 

    23 // INCLUDE FILES

    24 #include "CLogsNaviDecoratorWrapper.h"

    25 #include <AknTabObserver.h>

    26 #include <aknnavide.h>

    27 #include <aknnavi.h>

    28 

    29 #include <barsread.h>   // resource reader

    30 

    31 #include "LogsUID.h"

    32 

    33 

    34 

    35 

    36 // ================= MEMBER FUNCTIONS =======================

    37 

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

    39 // CLogsNaviDecoratorWrapper::CLogsNaviDecmioratorWrapper

    40 // ----------------------------------------------------------------------------

    41 //

    42 CLogsNaviDecoratorWrapper::CLogsNaviDecoratorWrapper() : CCoeStatic( TUid::Uid( KLogsAppUID3 )), iNaviDecorator( NULL ), iCurrentNaviResource (0)

    43     {

    44     }

    45     

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

    47 // CLogsNaviDecoratorWrapper::NewLC

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

    49 //

    50 CLogsNaviDecoratorWrapper* CLogsNaviDecoratorWrapper::NewLC()

    51     {  

    52     CLogsNaviDecoratorWrapper* self = new (ELeave) CLogsNaviDecoratorWrapper;

    53     CleanupStack::PushL(self);

    54     return self; 

    55     }

    56 

    57 

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

    59 // CLogsNaviDecoratorWrapper::GetNaviDecorator

    60 // 

    61 // Getter for the iNaviDecorator member. 

    62 // ----------------------------------------------------------------------------

    63 //  

    64 CAknNavigationDecorator* CLogsNaviDecoratorWrapper::GetNaviDecoratorL(CAknNavigationControlContainer* aNaviPane,

    65                                                                      MAknTabObserver* aTabObserver,

    66                                                                      TInt aResource)

    67     {   

    68     // If the iNaviDecorator is not yet created, or it is of wrong type

    69     // we need to create a new.

    70     if (iNaviDecorator == NULL || iCurrentNaviResource != aResource)

    71         {     

    72         TResourceReader reader;

    73         CCoeEnv::Static()->CreateResourceReaderLC( reader, aResource );

    74         

    75         if (iNaviDecorator != NULL )

    76             {

    77             // deleting the old navidecorator also Pops it from the Navi Panes's control stack

    78             delete iNaviDecorator;

    79             iNaviDecorator = NULL;

    80             }

    81         

    82         iNaviDecorator = aNaviPane->CreateTabGroupL( reader, aTabObserver );

    83         

    84         CleanupStack::PopAndDestroy(); // reader

    85         

    86         // Store the current iNaviDecorator's resource id 

    87         iCurrentNaviResource = aResource;

    88         }

    89         

    90     // Push the naviDecorator to the Navi Pane's control stack 

    91     aNaviPane->PushL( *( iNaviDecorator ) ); 

    92     return iNaviDecorator;

    93     }

    94     

    95     

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

    97 // CLogsNaviDecoratorWrapper::GetNaviDecorator

    98 // 

    99 // Static Getter for the singleton instance of CLogsNaviDecoratorWrapper class. 

   100 // ----------------------------------------------------------------------------

   101 //       

   102 CLogsNaviDecoratorWrapper* CLogsNaviDecoratorWrapper::InstanceL()

   103     {

   104     CLogsNaviDecoratorWrapper* singleton = static_cast<CLogsNaviDecoratorWrapper*>

   105                     ( CCoeEnv::Static( TUid::Uid(KLogsAppUID3 ) ));

   106     if ( !singleton )

   107         {

   108         singleton = CLogsNaviDecoratorWrapper::NewLC();

   109         CleanupStack::Pop(singleton);

   110         }

   111     return singleton;

   112     

   113     }

   114    

   115 

   116 // ----------------------------------------------------------------------------

   117 // CLogsNaviDecoratorWrapper::~CLogsNaviDecoratorWrapper

   118 //

   119 // CCoeEnv handles the cleanup. Destructor called from CCoeEnv::DestroyEnvironmentStatic

   120 // ----------------------------------------------------------------------------

   121 //   

   122 CLogsNaviDecoratorWrapper::~CLogsNaviDecoratorWrapper()

   123     {

   124     delete iNaviDecorator;

   125     }

   126 

   127 

   128 // End of File