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 *     Phonebook transaction view implementation class methods.

    16 *

    17 */

    18 

    19 

    20 #ifndef __CViewActivationTransactionImpl_H__

    21 #define __CViewActivationTransactionImpl_H__

    22 

    23 //  INCLUDES

    24 #include "CPbkAppUi.h"

    25 

    26 // FORWARD DECLARATIONS

    27 class CDigViewNode;

    28 class CAknTitlePane;

    29 class CAknContextPane;

    30 class CEikImage;

    31 class CAknNavigationDecorator;

    32 class CAknTabGroup;

    33 

    34 

    35 // CLASS DECLARATION

    36 

    37 /**

    38  * Transaction class for updating application-wide state leave-safely

    39  * at view switch.

    40  * @see CPbkAppUi::HandleViewActivationLC

    41  */

    42 class CPbkAppUi::CViewActivationTransactionImpl

    43         : public CPbkAppUiBase::CViewActivationTransaction

    44     {

    45     public:  // Interface

    46         /**

    47          * Creates an instace of this transaction, performs all update 

    48          * operations of this transaction and saves rollback data in case 

    49          * the transaction is not committed.

    50          *

    51          * @param aAppUi phonebook's application UI

    52          * @param aViewId activated view's id

    53          * @param aPrevViewId previously active view's id

    54          * @param aTitlePaneText text to put into title pane, if NULL

    55          *        default text is used

    56          * @param aContextPanePicture picture to put into context pane, if

    57          *        NULL default picture is used

    58          * @return instance of this class

    59          */

    60         static CViewActivationTransactionImpl* NewLC

    61             (CPbkAppUi& aAppUi, 

    62             const TUid& aViewId, const TVwsViewId& aPrevViewId,

    63             const TDesC* aTitlePaneText, 

    64             const CEikImage* aContextPanePicture,

    65             TUint aFlags);

    66 

    67         /**

    68          * Destructor. Rolls back changes done in NewLC if this transaction

    69          * is not committed.

    70          */

    71         ~CViewActivationTransactionImpl();

    72 

    73     public:  // From CViewActivationTransaction

    74         /**

    75          * Commits this transaction. After this call all changes done in

    76          * NewLC are kept.

    77          */

    78         void Commit();

    79 

    80     private:  // Implementation

    81 		CViewActivationTransactionImpl(CPbkAppUi& aAppUi, const TUid& aViewId,

    82 			const TVwsViewId& aPrevViewId, TUint aFlags);

    83 		void ConstructL(const TDesC* aTitlePaneText,

    84 			const CEikImage* aContextPanePicture);

    85         void UpdateViewNavigationState();

    86         void UpdateNaviPaneL(TUid aViewId);

    87         void SetTitlePaneTextL(const TDesC* aTitlePaneText);

    88         void SetContextPanePictureL(const CEikImage* aContextPanePicture);

    89         CEikImage* CopyL(const CEikImage& aSrc);

    90 

    91     private:  // Data

    92         /// Ref: Phonebook Application UI

    93         CPbkAppUi* iAppUi;

    94         /// Own: Activated view's id

    95         TUid iViewId;

    96         /// Own: Deactivated view's id

    97         TVwsViewId iPrevViewId;

    98         /// Own: flags

    99         TUint iFlags;

   100         /// Ref: Saved previous view node state

   101         CDigViewNode* iSavePreviousViewNode;

   102         /// Ref: Application's title pane

   103         CAknTitlePane* iTitlePane;

   104         /// Own: Saved title pane text

   105         HBufC* iSaveTitlePaneText;

   106         /// Ref: Application's context pane

   107         CAknContextPane* iContextPane;

   108         /// Own: Saved picture from context pane

   109         CEikImage* iSaveContextPanePicture;

   110         /// Ref: navigation decorator pushed on the navi pane, if NULL

   111         /// nothing was pushed.

   112         CAknNavigationDecorator* iPushedNaviDecorator;

   113         /// Ref: Modified tab group

   114         CAknTabGroup* iTabGroup;

   115         /// Own: Saved index of active tab in iTabGroup

   116         TInt iSaveTabIndex;

   117     };

   118 

   119 

   120 #endif // __CViewActivationTransactionImpl_H__

   121             

   122 // End of File