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 #ifndef CLogsNaviDecoratorWrapper_H

    24 #define CLogsNaviDecoratorWrapper_H

    25 

    26 

    27 //  INCLUDES

    28 #include <e32base.h>

    29 #include <coemain.h>

    30 #include "MLogsNaviDecoratorWrapper.h"

    31 

    32 // FORWARD DECLARATIONS

    33 class CAknNavigationDecorator;

    34 class CAknNavigationControlContainer;

    35 class MAknTabObserver;

    36 

    37 

    38 // CLASS DECLARATION

    39 

    40 /**

    41  * A singleton class to wrap Navi Pane tab group handling for 

    42  * Logs views.

    43  */

    44 class CLogsNaviDecoratorWrapper : public CCoeStatic, 

    45                                   public MLogsNaviDecoratorWrapper

    46     {

    47     public: 

    48     /**

    49      * Returns the singleton CLogsNaviDecoratorWrapper instance. If no instance

    50 	 * exists yet it is created.

    51      */

    52     static CLogsNaviDecoratorWrapper* InstanceL();

    53     

    54     /**

    55      * Returns the wrapped iNaviDecorator instance. If no instance

    56 	 * exists yet a new one is created. If there is an instance but it is

    57 	 * of wrong resource type, a new instance is created and the old deleted. 

    58 	 * 

    59 	 * Called from CLogsBaseControlContainer::NavigationTabGroupL

    60 	 *

    61 	 * @param aNaviPane, the calling views status pane's navigation pane control

    62 	 * @param aTabObserver, an interface to the LogsAppUi::TabChangedL

    63 	 * @param aResource, the resource id of the 

    64 	 *

    65 	 * @return CAknNavigationDecorator object for the view's tab group

    66      */

    67     CAknNavigationDecorator* GetNaviDecoratorL(CAknNavigationControlContainer* aNaviPane,

    68                                               MAknTabObserver* aTabObserver,

    69                                               TInt aResource);

    70                                               

    71     private:  

    72     /**

    73      * NewLC is called from InstanceL.

    74      */

    75     static CLogsNaviDecoratorWrapper* NewLC();

    76     

    77     /**

    78      * Constructor

    79      */

    80     CLogsNaviDecoratorWrapper(); 

    81     

    82     /**

    83      * Destructor is called from CCoeEnv::DestroyEnvironmentStatic

    84      */

    85     ~CLogsNaviDecoratorWrapper();

    86     

    87 

    88     private:  // Data

    89     

    90     // Wrapped CAknNavigationDecorator object.

    91     CAknNavigationDecorator* iNaviDecorator;  

    92     

    93     // State holder for the current resource id of the iNaviDecorator

    94     TInt iCurrentNaviResource;

    95     

    96     

    97     };

    98 

    99 #endif //CLogsNaviDecoratorWrapper_H

   100             

   101 

   102 // End of File