1 /*

     2 * Copyright (c) 2002-2004 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:  Popup control adapter

    15 *

    16 */

    17 

    18 #ifndef __XNPOPUPCONTROLADAPTER_H__

    19 #define __XNPOPUPCONTROLADAPTER_H__

    20 

    21 // System includes

    22 #include <e32base.h>

    23 #include <eikmobs.h>

    24 

    25 // User includes

    26 #include "xncontroladapter.h"

    27 #include "xnmenu.h"

    28 

    29 // Forward declarations

    30 class CXnNodePluginIf;

    31 class CXnNode;

    32 class CXnUiEngine;

    33 class CAknStylusPopUpMenu;

    34 

    35 // Class declaration

    36 

    37 /**

    38  *  Popup Control adapter interface class

    39  *  

    40  *  @ingroup group_xnlayoutengine

    41  *  @lib xnlayoutengine.lib

    42  *  @since Series 60 5.0

    43  */

    44 NONSHARABLE_CLASS( CXnPopupControlAdapter ) : public CXnControlAdapter,

    45     public MEikMenuObserver

    46     {

    47 public:

    48     // Constructors and destructor

    49     

    50     /**

    51      * Two-phased constructor.

    52      *

    53      * @param aNode Node

    54      */

    55     static CXnPopupControlAdapter* NewL( CXnNodePluginIf& aNode );

    56 

    57     /**

    58      * Destructor.

    59      */

    60     ~CXnPopupControlAdapter();

    61 

    62 private:

    63     // Constructors

    64     

    65     /**

    66      * C++ default constructor.

    67      */

    68     CXnPopupControlAdapter();

    69 

    70     /**

    71      * Two-phased constructor.        

    72      */

    73     void ConstructL( CXnNodePluginIf& aNode  );

    74 

    75 private:    

    76     // From MEikMenuObserver

    77     void ProcessCommandL( TInt aCommandId );

    78     void SetEmphasis( CCoeControl* aMenuControl, TBool aEmphasis );

    79     

    80 public:

    81     // New functions

    82     

    83     /*

    84      * Sets dynamic menuitem observer

    85      * 

    86      * @param aObserver Observer

    87      */

    88     void SetObserver( XnMenuInterface::MXnMenuObserver& aObserver );

    89     

    90     /*

    91      * Makes stylus popup menu visible

    92      * 

    93      * @param aPlugin Plugin which displays this popup

    94      */

    95     void TryDisplayingStylusPopupL( CXnNode& aPlugin );

    96     

    97     /*

    98      * Screen device change notification

    99      * 

   100      * @see CXnControlAdapter documentation

   101      */

   102     void HandleScreenDeviceChangedL();

   103     

   104 private:

   105     // New functions

   106     void PopulateMenuL( CXnNode* aItem, CXnNode& aPlugin );                                  

   107     void ShowMenuL( CXnNode& aPlugin, TPoint aPosition );

   108     void HideMenuL();

   109                            

   110 private:

   111     // Data

   112     

   113     /** UiEngine, Not owned */

   114     CXnUiEngine*                        iUiEngine;

   115     /** Node - received in constructor, Not owned  */

   116     CXnNode*                            iNode;

   117     /** Observer, Not owned */

   118     XnMenuInterface::MXnMenuObserver*   iObserver;

   119     /** Stylus popup menu, Owned */

   120     CAknStylusPopUpMenu*                iStylusPopupMenu;    

   121     /** Stylus popup menu items, Owned */

   122     RPointerArray< CXnNode >            iMenuItems;

   123     /** Stylus popup menu command ids */

   124     TInt                                iCommandId;    

   125     /** Flag to indicate whether popup menu is shown */

   126     TBool                               iMenuShown;

   127     };

   128 

   129 #endif // __XNPOPUPCONTROLADAPTER_H__

   130