idlehomescreen/xmluirendering/uiengine/inc/xnwidgetextensionadapter.h
branchRCL_3
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33:5f0182e07bfb 34:5456b4e8b3a8
       
     1 /*
       
     2 * Copyright (c) 2008 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:  Widget extension adapter
       
    15 *
       
    16 */
       
    17 
       
    18 #ifndef __XNWIDGETEXTENSIONADAPTER_H__
       
    19 #define __XNWIDGETEXTENSIONADAPTER_H__
       
    20 
       
    21 // System includes
       
    22 #include <e32base.h>
       
    23 
       
    24 // User includes
       
    25 #include "xncontroladapter.h"
       
    26 #include "xnuistatelistener.h"
       
    27 
       
    28 // Forward declarations
       
    29 class CXnAppUiAdapter;
       
    30 class CXnNode;
       
    31 class CXnUiEngine;
       
    32 
       
    33 // CLASS DECLARATION
       
    34 
       
    35 /**
       
    36 *  @ingroup group_xnlayoutengine
       
    37 *  Popup Control adapter interface class
       
    38 *  @lib xnlayoutengine.lib
       
    39 *  @since Series 60 5.0
       
    40 */
       
    41 NONSHARABLE_CLASS( CXnWidgetExtensionAdapter ) : public CXnControlAdapter, 
       
    42     public MXnUiStateObserver,
       
    43     public MXnUiResourceChangeObserver
       
    44     {
       
    45 public: // Constructors and destructor
       
    46 
       
    47     enum TPositionHint
       
    48            {
       
    49            ENone,
       
    50            EAboveLeft,
       
    51            EAboveRight,
       
    52            EBelowLeft,
       
    53            EBelowRight,
       
    54            ELeft,
       
    55            ERight
       
    56            };
       
    57     /**
       
    58     * Two-phased constructor.
       
    59     */
       
    60     static CXnWidgetExtensionAdapter* NewL( CXnNodePluginIf& aNode );
       
    61     
       
    62     /**
       
    63     * Destructor.
       
    64     */
       
    65     ~CXnWidgetExtensionAdapter();
       
    66 public:
       
    67     /**
       
    68      * From CCoeAppUiBase.
       
    69      * Informs the components about the screen layout switch.
       
    70      */
       
    71      void HandleScreenDeviceChangedL();
       
    72 
       
    73      
       
    74 private: 
       
    75     // Functions from base classes    
       
    76     /**
       
    77     * @see CCoeControl documentation        
       
    78     */         
       
    79     void MakeVisible( TBool aVisible );
       
    80 
       
    81     /**
       
    82     * see CCoeControl 
       
    83     */
       
    84     void HandlePointerEventL( const TPointerEvent& aPointerEvent );
       
    85 
       
    86     /**
       
    87     * see CCoeControl 
       
    88     */
       
    89     void Draw( const TRect& aRect ) const;        
       
    90 
       
    91     /**
       
    92      * From CCoeControl.
       
    93      * Size change notification
       
    94      */
       
    95     void SizeChanged();
       
    96 
       
    97 private:
       
    98     // from MXnUiStateObserver
       
    99     
       
   100     /**
       
   101      * @see MXnUiStateObserver
       
   102      */
       
   103     void NotifyForegroundChanged( TForegroundStatus aStatus );         
       
   104 
       
   105     /**
       
   106      * @see MXnUiStateObserver
       
   107      */    
       
   108     void NotifyLightStatusChanged( TBool aLightsOn );
       
   109        
       
   110     /**
       
   111      * @see MXnUiStateObserver
       
   112      */    
       
   113     void NotifyInCallStateChaged( TBool aInCall );
       
   114 
       
   115 private:
       
   116     // from MXnUiResourceChangeObserver
       
   117     
       
   118     /**
       
   119      * @see MXnUiResourceChangeObserver
       
   120      */
       
   121     void NotifyStatusPaneSizeChanged();
       
   122 
       
   123     /**
       
   124      * @see MXnUiResourceChangeObserver
       
   125      */
       
   126     void NotifyResourceChanged( TInt aType );
       
   127     
       
   128 private: 
       
   129     // Constructors
       
   130     /**
       
   131     * C++ default constructor.
       
   132     */
       
   133     CXnWidgetExtensionAdapter( CXnNodePluginIf& aNode );
       
   134 
       
   135     /**
       
   136     * Two-phased constructor.        
       
   137     */ 
       
   138     void ConstructL();	   
       
   139     
       
   140 private: 
       
   141     // New functions
       
   142     
       
   143     void HidePopupL();
       
   144 
       
   145     void ChangePopupPosition();
       
   146 
       
   147     void CalculatePosition();
       
   148     
       
   149 private:    
       
   150     // Data
       
   151     
       
   152     /** UiEngine, not owned */
       
   153     CXnUiEngine* iUiEngine; 	    
       
   154     /** Position hint */
       
   155     TPositionHint iPositionHint;
       
   156     /** Node, not owned */
       
   157     CXnNodePluginIf& iNode;    
       
   158     /** AppUi, not owned */
       
   159     CXnAppUiAdapter* iAppUiAdapter;
       
   160     /** Flag to indicate whether <popup> is permanent */
       
   161     TBool iPermanent;
       
   162     /** Is popup element */
       
   163     TBool iPopup;
       
   164 	};
       
   165 
       
   166 #endif // __XNWIDGETEXTENSIONADAPTER_H__
       
   167 
       
   168 // End of File