1 /*

     2 * Copyright (c) 2010 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:  Content Control example

    15 *

    16 */

    17 

    18 

    19 #ifndef __HSCONTENTCONTROLLISTBOX_H__

    20 #define __HSCONTENTCONTROLLISTBOX_H__

    21 

    22 //  Includes

    23 #include <coecntrl.h>        

    24 #include <akntreelistobserver.h>

    25 #include <AknTabObserver.h>

    26 #include <hscontentcontrol.h>

    27 

    28 //  Forward declarations

    29 class MEikCommandObserver;        

    30 class CAknSingleStyleTreeList;

    31 class CAknsBasicBackgroundControlContext;

    32 class CAknNavigationDecorator;

    33 class CAknTabGroup;

    34 class CAknStylusPopUpMenu;

    35 class CHsCcApiClient;

    36 class CHsContentInfoArray;

    37 

    38 /**

    39  * Container class for HsContentControlListBox

    40  * 

    41  * @class    CHsContentControlListBox HsContentControlListBox.h

    42  */

    43 class CHsContentControlListBox : public CCoeControl,     

    44     public MAknTreeListObserver,

    45     public MAknTabObserver,

    46     public MEikMenuObserver,

    47     public MHsContentControl    

    48     {

    49 public:

    50     // constructors and destructor

    51     

    52     /**

    53      * Two-phased constructor.

    54      */    

    55     static CHsContentControlListBox* NewL( 

    56         const TRect& aRect, 

    57         const CCoeControl* aParent, 

    58         MEikCommandObserver* aCommandObserver );

    59 

    60     /**

    61      * Two-phased constructor.

    62      */    

    63     static CHsContentControlListBox* NewLC( 

    64         const TRect& aRect, 

    65         const CCoeControl* aParent, 

    66         MEikCommandObserver* aCommandObserver );

    67         

    68     /**

    69      * Destructor

    70      */    

    71     ~CHsContentControlListBox();

    72 

    73 public:

    74     // from CCoeControl

    75     

    76     /**

    77      * @see CCoeControl

    78      */            

    79     TInt CountComponentControls() const;

    80 

    81     /**

    82      * @see CCoeControl

    83      */                

    84     CCoeControl* ComponentControl( TInt aIndex ) const;

    85     

    86     /**

    87      * @see CCoeControl

    88      */                

    89     TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType ); 

    90     

    91     /**

    92      * @see CCoeControl

    93      */                

    94     void HandleResourceChange( TInt aType );

    95 

    96     /**

    97      * @see CCoeControl

    98      */                

    99     void SizeChanged();

   100 

   101     /**

   102      * @see CCoeControl

   103      */                

   104     TTypeUid::Ptr MopSupplyObject( TTypeUid aId );

   105             

   106 private:

   107    // from MAknTreeListObserver

   108 

   109     /**

   110      * @see MAknTreeListObserver

   111      */

   112     TInt HandleTreeListEvent(       

   113         CAknTreeList& aList,

   114         TAknTreeItemID aItem,

   115         TEvent aEvent );

   116     

   117 private:    

   118     // From MEikMenuObserver

   119 

   120     /**

   121      * @see MEikMenuObserver

   122      */

   123     void ProcessCommandL( TInt aCommandId );

   124     

   125     /**

   126      * @see MEikMenuObserver

   127      */

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

   129     

   130 private:

   131     // from MAknTabObserver

   132     

   133     /**

   134      * @see MAknTabObserver

   135      */    

   136     void TabChangedL( TInt aIndex );

   137     

   138 private:

   139     // from MHsContentControl

   140     

   141     /**

   142      * @see MHsContentControl

   143      */

   144     void NotifyWidgetListChanged();

   145 

   146     /**

   147      * @see MHsContentControl

   148      */

   149     void NotifyViewListChanged();

   150 

   151     /**

   152      * @see MHsContentControl

   153      */

   154     void NotifyAppListChanged();

   155           

   156 private:

   157     // new functions

   158     

   159     void InitializeControlsL();    

   160     void LayoutControls();

   161     void PopulateListL();

   162 

   163     static TInt PopulateList( TAny* aAny );

   164     

   165 private:

   166     // constructors

   167 

   168     /**

   169      * C++ default constructor

   170      */    

   171     CHsContentControlListBox();

   172 

   173     /** 

   174      * 2nd phase constructor

   175      */

   176     void ConstructL( 

   177         const TRect& aRect, 

   178         const CCoeControl* aParent, 

   179         MEikCommandObserver* aCommandObserver );

   180     

   181 private:

   182     // data

   183 

   184     /** Homescreen content control client, owned */

   185     CHsCcApiClient* iHsCcApiClient;    

   186     /** Callback, owned */

   187     CAsyncCallBack* iCallback;

   188     /** Popup menu, owned */

   189     CAknStylusPopUpMenu* iPopup;    

   190     /** List box, owned */

   191     CAknSingleStyleTreeList* iListBox;

   192     /** Bg context, owned */

   193     CAknsBasicBackgroundControlContext* iBgContext;

   194     /** Content info array, owned */

   195     CHsContentInfoArray* iArray;

   196     /** Navigation decorator, owned */

   197     CAknNavigationDecorator* iDecorator;

   198     /** Tab group, not owned */

   199     CAknTabGroup* iTabGroup;   

   200     /** Selected tree item */

   201     TAknTreeItemID iSelectedItem;    

   202     /** Active tab index */

   203     TInt iTabIndex;

   204     };

   205                 

   206 #endif // __HSCONTENTCONTROLLISTBOX_H__