1 /*

     2 * Copyright (c) 2005-2006 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:  Wrapper class for CEikLabel.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef _XNTEXTADAPTER_H

    21 #define _XNTEXTADAPTER_H

    22 

    23 //  INCLUDES

    24 #include "xncontroladapter.h"

    25 #include <e32base.h>

    26 #include <eiklabel.h>

    27 #include <AknPictographDrawerInterface.h> // for japanese variants

    28 

    29 // FORWARD DECLARATIONS

    30 class CXnNodePluginIf;

    31 class CAknPictographInterface;

    32 

    33 // CLASS DECLARATION

    34 /**

    35 *  @ingroup group_xntextfactory

    36 *  @lib xn3textfactory.lib

    37 *  @since Series 60 3.1

    38 */

    39 class CXnTextAdapter : public CXnControlAdapter,

    40 					   public MAknPictographAnimatorCallBack

    41    {

    42 public:

    43 	/**

    44 	 * 2 phase construction.

    45 	 */

    46 	static CXnTextAdapter* NewL(CXnControlAdapter* aParent, CXnNodePluginIf& aNode);

    47 

    48 	/**

    49 	 * Destructor.

    50 	 */

    51 	virtual ~CXnTextAdapter();

    52 

    53 public: // New functions

    54     /**

    55      * Sets the new content to the underlying CEikLabel

    56      * @param aText The new content

    57      */

    58 	void SetTextL(const TDesC& aText);

    59 	

    60 	/**

    61 	 * Returns the text contained in the underlying CEikLabel

    62 	 * @return TDesC* The text

    63 	 */

    64 	const TDesC* Text() const;

    65 

    66 public: // from base classes

    67 	TInt CountComponentControls() const;

    68 	CCoeControl* ComponentControl(TInt aIndex) const;

    69     virtual void SizeChanged();

    70     virtual void SkinChanged();

    71     

    72     /**

    73     * From CXnControlAdapter Handles the property changes.

    74     * @since Series 60 3.1

    75     * @return void.

    76     */  

    77     void DoHandlePropertyChangeL(CXnProperty* aProperty = NULL); 

    78     

    79     /**

    80     * From CCoeControl Handles the resource change.

    81     * @since Series 60 3.1

    82     * @param aType A type of the resource change

    83     * @return void.

    84     */

    85     void HandleScreenDeviceChangedL();

    86 

    87     /**

    88     * See CCoeControl documentation

    89     */    	

    90     void HandlePointerEventL( const TPointerEvent& aPointerEvent );

    91     

    92     /**

    93     * See MAknPictographInterface documentation

    94     */

    95     void DrawPictographArea();

    96 

    97     /**

    98     * See CXnControlAdapter documentation

    99     */    	   

   100     TSize MeasureAdaptiveContentL( const TSize& aAvailableSize );

   101     

   102 private:

   103 

   104 	CXnTextAdapter(CXnControlAdapter* aParent, CXnNodePluginIf& aNode);

   105 	void ConstructL();

   106 	void ConstructTextL();

   107     virtual void Draw(const TRect& aRect) const;

   108     

   109     void UpdateBackgroundL() const;

   110     void DrawBackground(const TRect& aRect, CWindowGc& aGc) const;

   111     TInt RestrictSizeL();

   112     

   113     void SetLineSpacingL( TInt aReference );

   114     TSize MeasureTextL( const TSize& aAvailableSize );

   115     void UpdateTextL( const TDesC* aText );

   116     void UpdateTextL( const TDesC8& aText );

   117 

   118 	/**

   119 	 * Sets text properties, such as color, font, etc.

   120      * @param aNode UI node

   121      * @return ETrue if text needs reconstruction, EFalse otherwise

   122 	 */

   123 	TBool SetTextPropertiesL( CXnNodePluginIf& aNode );	

   124     

   125    	/**

   126     * Same as SizeChanged(), but this is an L function.

   127     */

   128     void SizeChangedL();

   129 

   130 	

   131 private:

   132     CEikLabel*                  iLabel;         // Label to draw text    

   133     CXnControlAdapter*  		iParent;        // Parent control, not owned

   134     CXnNodePluginIf&    		iNode;          // UI node, not owned

   135     CFont*              		iFont;          // Used font, owned    

   136     TBool               		iReleaseFont;   // Whether the font needs to be released or not.

   137     TUint8               		iFlags;         // Flags for text properties

   138     CAknPictographInterface* 	iPictographInterface; // Pictograph interface.    

   139     CWindowGc*					iGc;            // Window graphics context. Not own.

   140     mutable CFbsBitmap*			iBackgroundBitmap; // Pointer to background bitmap. Own.

   141     TInt                        iMaxLines;      //Max lines for wrapped text string    

   142     HBufC*                      iText;    

   143    };

   144 

   145 

   146 

   147 #endif      // XNTEXTADAPTER_H

   148             

   149 // End of File