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 CXnPluginData;

    34 class CAknStylusPopUpMenu;

    35 

    36 // Class declaration

    37 

    38 /**

    39  *  Popup Control adapter interface class

    40  *  

    41  *  @ingroup group_xnlayoutengine

    42  *  @lib xnlayoutengine.lib

    43  *  @since Series 60 5.0

    44  */

    45 NONSHARABLE_CLASS( CXnPopupControlAdapter ) : public CXnControlAdapter,

    46     public MEikMenuObserver

    47     {

    48 public:

    49     // Constructors and destructor

    50     

    51     /**

    52      * Two-phased constructor.

    53      *

    54      * @param aNode Node

    55      */

    56     static CXnPopupControlAdapter* NewL( CXnNodePluginIf& aNode );

    57 

    58     /**

    59      * Destructor.

    60      */

    61     ~CXnPopupControlAdapter();

    62 

    63 private:

    64     // Constructors

    65     

    66     /**

    67      * C++ default constructor.

    68      */

    69     CXnPopupControlAdapter();

    70 

    71     /**

    72      * Two-phased constructor.        

    73      */

    74     void ConstructL( CXnNodePluginIf& aNode  );

    75 

    76 private:    

    77     // From MEikMenuObserver

    78     void ProcessCommandL( TInt aCommandId );

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

    80     

    81 public:

    82     // New functions

    83     

    84     /*

    85      * Sets dynamic menuitem observer

    86      * 

    87      * @param aObserver Observer

    88      */

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

    90     

    91     /*

    92      * Makes stylus popup menu visible

    93      * 

    94      * @param aPlugin Plugin which displays this popup

    95      */

    96     void TryDisplayingStylusPopupL( CXnNode& aPlugin );

    97     

    98     /*

    99      * Screen device change notification

   100      * 

   101      * @see CXnControlAdapter documentation

   102      */

   103     void HandleScreenDeviceChangedL();

   104     

   105     /*

   106      * Closes stylus popup menu if it is open

   107      */

   108     void HideMenuL();

   109     

   110 private:

   111     // New functions

   112     void PopulateMenuL( CXnPluginData& aPlugin, CXnNode* aItem );                                  

   113     void ShowMenuL( CXnPluginData& aPlugin, TPoint aPosition );

   114                            

   115 private:

   116     // Data

   117     

   118     /** UiEngine, Not owned */

   119     CXnUiEngine*                        iUiEngine;

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

   121     CXnNode*                            iNode;

   122     /** Observer, Not owned */

   123     XnMenuInterface::MXnMenuObserver*   iObserver;

   124     /** Stylus popup menu, Owned */

   125     CAknStylusPopUpMenu*                iStylusPopupMenu;    

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

   127     RPointerArray< CXnNode >            iMenuItems;

   128     /** Stylus popup menu command ids */

   129     TInt                                iCommandId;    

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

   131     TBool                               iMenuShown;

   132     };

   133 

   134 #endif // __XNPOPUPCONTROLADAPTER_H__

   135