1 /*

     2 * Copyright (c) 2002-2006 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:  Placeholder view during synchronous view activation

    15 *

    16 */

    17 

    18 

    19 #ifndef GSPLACEHOLDERVIEW_H

    20 #define GSPLACEHOLDERVIEW_H

    21 

    22 // INCLUDES

    23 #include <e32base.h>

    24 #include <vwsdef.h>

    25 #include <coeview.h>

    26 

    27 // CONSTANTS

    28 

    29 // FORWARD DECLARATIONS

    30 

    31 // CLASS DECLARATION

    32 

    33 /**

    34 *  Dummy view class used by CGSPluginAndViewIdCache view switching between two

    35 *  actual views. See CGSPluginAndViewIdCache for details.

    36 *

    37 *  @since Series60_3.1

    38 *

    39 */

    40 class CGSPlaceholderView : public CBase, public MCoeView

    41     {

    42     public: // Constructor and destructor

    43 

    44         /**

    45         *

    46         */

    47         static CGSPlaceholderView* NewL( CCoeAppUi& aAppUi );

    48 

    49         /**

    50         * Destructor.

    51         */

    52         ~CGSPlaceholderView();

    53 

    54     private:

    55 

    56         /**

    57         * C++ constructor

    58         */

    59         CGSPlaceholderView( CCoeAppUi& aAppUi );

    60 

    61         /**

    62         * Second phase constructor

    63         */

    64         void ConstructL();

    65 

    66     public: // API

    67 

    68         /**

    69         *

    70         */

    71         void ActivateL();

    72 

    73         /**

    74         *

    75         */

    76         const TVwsViewId& PreviouslyActiveViewId() const;

    77 

    78         /**

    79         *

    80         */

    81         void SetPreviouslyActiveViewId( const TVwsViewId& aViewId );

    82 

    83     private: // From MCoeView

    84 	    TVwsViewId ViewId() const;

    85 	    void ViewActivatedL( const TVwsViewId& aPrevViewId, TUid aCustomMessageId, const TDesC8& aCustomMessage );

    86 	    void ViewDeactivated();

    87 

    88     private: // Internal methods

    89 

    90     private: // Data

    91          CCoeAppUi& iAppUi;

    92          TVwsViewId iPreviouslyActiveViewId;

    93     };

    94 

    95 

    96 #endif // GSPLACEHOLDERVIEW_H

    97 // End of File