1 /*

     2 * Copyright (c) 2008-2009 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:    Set coefficient layout

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef T_GLXSETCOEFFICIENTLAYOUT_H

    22 #define T_GLXSETCOEFFICIENTLAYOUT_H

    23 

    24 #include <glxlayout.h>

    25 #include <alf/alfTimedValue.h>

    26 

    27 /**

    28  *  TGlxSetCoefficientLayout

    29  *  

    30  *  Resets the coefficient to a defined value.

    31  *  The value can be animated.

    32  *

    33  *  @lib glxlayouts.lib

    34  */

    35 class TGlxSetCoefficientLayout : public TGlxLayout

    36 	{

    37 	public:

    38 

    39 		/**

    40 		 * Constructor.

    41 		 */

    42 		IMPORT_C TGlxSetCoefficientLayout();

    43 

    44 		/**

    45 		 * Destructor.

    46 		 */

    47 		IMPORT_C ~TGlxSetCoefficientLayout();

    48 

    49 		/**

    50 		 * Set layout type to which the coefficient is set

    51 		 * @param aType the layout type, see @ref TGlxLayoutInfo::TLayoutType

    52 		 */

    53 		IMPORT_C void SetType( TGlxLayoutInfo::TLayoutType aType );

    54 

    55 		/**

    56 		 * SetCoefficient.

    57 		 * @param aCoefficient the value to set

    58 		 * @param aMilliseconds the target time for the coefficient value 

    59 		 */

    60 		IMPORT_C void SetCoefficient( TReal32 aCoefficient, TInt aMilliseconds );

    61 		

    62 	protected:	// From TGlxLayout

    63 

    64 		/// @ref TGlxLayout::DoSetLayoutValues

    65 		void DoSetLayoutValues( TGlxLayoutInfo& aInfo );

    66 		/// @ref TGlxLayout::DoChanged

    67 		TBool DoChanged() const;

    68 		/// @ref TGlxLayout::DoClearChanged

    69 		void DoClearChanged();

    70 

    71 	private:

    72 

    73 		/// Own: the type of the layout

    74 		TGlxLayoutInfo::TLayoutType iType;

    75 		/// Own: the timed value for the coefficient

    76 	    TAlfTimedValue iCoefficient;

    77 

    78 	};

    79 	

    80 #endif // T_GLXSETCOEFFICIENTLAYOUT_H