1 /*

     2 * Copyright (c) 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:  

    15 *

    16 */

    17  

    18 

    19 #ifndef AKNINDICATORFADER_H

    20 #define AKNINDICATORFADER_H

    21 

    22 // INCLUDES

    23 #include <coecntrl.h>

    24 

    25 // FORWARD DECLARATIONS

    26 class CAknIndicatorContainer;

    27 class CFbsBitmap;

    28 class CFbsBitmapDevice;

    29 class CFbsBitGc;

    30 

    31 // CLASS DECLARATION

    32 

    33 /**

    34 * This class is not intended for further derivation.

    35 *

    36 * @since 2.8

    37 *

    38 * @internal

    39 */

    40 NONSHARABLE_CLASS(CAknIndicatorFader) : public CBase

    41     {

    42     public:

    43         enum TFadeEffect

    44             {

    45             EEffectNone,

    46             EEffectFadeToLeft,

    47             EEffectFadeToRight

    48             };

    49 

    50 

    51     public: // Constructors and destructor

    52 

    53         /**

    54         * Two-phased constructor.

    55         *

    56         * @since 2.8

    57         *

    58         * @return Newly constructed object.

    59         */

    60         static CAknIndicatorFader* NewL(TSize aSize);

    61 

    62         /**

    63         * Destructor.

    64         */

    65         virtual ~CAknIndicatorFader();

    66 

    67     public: // New functions

    68         

    69         CFbsBitmap* FadeMask(CFbsBitmap* aOriginalMask) const;

    70     

    71         void SetActiveFadeEffect(TInt aActiveEffect);

    72 

    73         void SetActiveFadeSize(TSize aSize);

    74 

    75     private:

    76 

    77         /**

    78         * C++ default constructor.

    79         */

    80         CAknIndicatorFader(TSize aSize);

    81 

    82         /**

    83         * By default Symbian 2nd phase constructor is private.

    84         */

    85         void ConstructL();

    86 

    87 

    88         void CreateEffect(TInt aEffect);

    89 

    90         void InitializeL();

    91 

    92         TBool Initialized() const;

    93 

    94 

    95     private: // Data

    96 

    97         TSize              iSize;

    98         TInt               iActiveEffect;

    99 

   100         CFbsBitmap*        iFadingBitmap; // Used in fading

   101         CFbsBitmapDevice*  iFadingDevice;

   102         CFbsBitGc*         iFadingGc;

   103         

   104         CFbsBitmap*        iInvertingBitmap; // Used in inverting

   105         CFbsBitmapDevice*  iInvertingDevice;

   106         CFbsBitGc*         iInvertingGc;

   107 

   108         CFbsBitmap*        iInvertedBitmap; // Inverted bitmap

   109         CFbsBitmapDevice*  iInvertedDevice;

   110         CFbsBitGc*         iInvertedGc;

   111 

   112         CFbsBitmap*        iFadedBitmap; // Faded bitmap

   113         CFbsBitmapDevice*  iFaderDevice;

   114         CFbsBitGc*         iFaderGc;

   115     };

   116 

   117 #endif // AKNINDICATORFADER_H

   118 

   119 // End of File