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:  smiley utility class

    15 *

    16 */

    17 

    18 #ifndef C_SMILEYMANAGER_H

    19 #define C_SMILEYMANAGER_H

    20 

    21 #include <e32base.h>

    22 #include <e32std.h>

    23 

    24 class CCoeControl;

    25 class CBitmapContext;

    26 class CSmileyModel;

    27 class CSmileyInfoReader;

    28 class CSmileyDrawer;

    29 class TRgb;

    30 class CEikEdwin;

    31 class CSmileyIconRecord;

    32 

    33 _LIT( KSmileyString, "\xf8e4i" );

    34 

    35 /**

    36  *  smiley engine class, manage smiley character strings and icons

    37  *

    38  *  @lib ?library

    39  *  @since S60 v5.0

    40  */

    41 NONSHARABLE_CLASS( CSmileyManager ) : public CBase

    42     {

    43 public:

    44     static const TText KPlaceHolder = 0xfff0;

    45     static const TInt KMaxLength = 5;

    46     static const TInt KMinLength = 2;

    47     static const TText KZeroCode = 0;

    48     static const TText KCompensateChar = 'i'; 

    49     static const TUint KSmileyCodeMin = 0xf880;

    50     static const TUint KSmileyCodeMax = 0xf8e4;    

    51     

    52     enum TOperationType

    53         {

    54         EDelete = 0,

    55         EInsert,

    56         ESetCursor,

    57         ESelection

    58         };

    59     

    60 //static constructors

    61     static CSmileyManager* NewL( CEikEdwin& aEdwin );

    62     static CSmileyManager* NewLC( CEikEdwin& aEdwin );

    63 

    64     virtual ~CSmileyManager();

    65 

    66 //new functions    

    67     TBool ConvertTextForSmileyL( TInt aStart, TDes& aText, 

    68         TBool aStringToCodes = ETrue );

    69     void SetVisibleRange( TInt aDocPos, TInt aLength );

    70     

    71     void DrawIconL( CBitmapContext& aGc, const TRect& aRect, 

    72         TInt aDocPos );

    73     

    74     void HandleDeleteL( TInt aStart, TInt aLength );

    75     void HandleInsertL( TInt aStart, TInt aLength );

    76     void HandleSetCursor( TInt aOldCursor, TInt& aNewCursor );

    77     void HandleSelection( TInt aStart, TInt aLength  );

    78     

    79     void SetHighlightColor( TRgb aColor );

    80 

    81     void SetAnimationPlayTimes( TInt aPlayTimes );

    82     TText SmileyCodeByPos( TInt aDocPos );

    83     TInt SmileyLength( TInt aDocPos );

    84     

    85     static TBool IsSmileyCode( TText aCode );

    86     void RemoveIconsInRange( TInt aStart, TInt aLength );

    87     

    88     TBool HasSmileyIconsInText();

    89     TBool IsDisabledSmileyIcon( TInt aDocPos );

    90     void DisableSmileyIcon( TInt aDocPos );

    91     

    92 private:

    93 //constructors    

    94     CSmileyManager();

    95     void ConstructL( CEikEdwin& aEdwin );

    96     TBool ConvertCodesToTextL( TDes& aText, TInt aStart );

    97     TBool ConvertTextToCodesL( TDes& aText, TInt aStart );

    98     void AddSmileyToRecordL( const TDesC& aSmileyText, TInt aDocPos, 

    99         TText aCode );

   100     

   101 private: // data    

   102     // own

   103     CSmileyModel* iModel;

   104     // own

   105     CSmileyInfoReader* iReader;

   106     // own

   107     CSmileyDrawer* iDrawer;

   108     // own

   109     CSmileyIconRecord* iIconRecord;

   110 

   111     TInt iSelStart;

   112     TInt iSelLength;

   113     TInt iVisibleStart;

   114     TInt iVisibleLength;

   115     };

   116 

   117 #endif // C_SMILEYMANAGER_H