camerauis/cameraapp/generic/inc/CamCaptureSetupMenuListItem.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 16:18:56 +0200
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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Encapsulates the data for a particular Capture Setup Menu item.*
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*/
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#ifndef CAMCAPTURESETUPMENULISTITEM_H
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#define CAMCAPTURESETUPMENULISTITEM_H
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//  INCLUDES
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#include <e32base.h>
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#include <e32des16.h>
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// FORWARD DECLARATIONS
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class CFbsBitmap;
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class TResourceReader;
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// CONSTANTS
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const TInt KListItemMaximumTextLength = 40;
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const TInt KListItemMaximumIconTextLength = 5;
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typedef TBuf<KListItemMaximumIconTextLength> TIconText;
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// CLASS DECLARATION
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/**
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*  Encapsulates the data for a particular Capture Setup Menu item.
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*  @since 2.8
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*/
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class CCamCaptureSetupMenuListItem: public CBase
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    {
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    public:  // Constructors and destructor
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        /**
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        * Two-phased constructor.
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        * @param aReader reader that is used to construct the data for this list item
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        * @return pointer to the created list item.
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        */
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        static CCamCaptureSetupMenuListItem* NewL( TResourceReader& aReader );
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        /**
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        * Destructor.
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        */
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        ~CCamCaptureSetupMenuListItem();
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    public: // New functions
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        /**
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        * Returns the bitmap that represents the current settings model 
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        * value for this list item.
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        * @since 2.8
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        * @return A pointer to the bitmap.
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        */
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        CFbsBitmap* Bitmap() const;
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        /**
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        * Returns the mask that represents the current settings model 
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        * value for this list item.
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        * @since 2.8
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        * @return A pointer to the bitmap.
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        */
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        CFbsBitmap* Mask() const;
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        /**
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        * Returns text used in place of an icon for this list item.
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        * @since 2.8
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        * @param aSettingVal The setting value used to return the text for
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        * @return A reference to the icon text.
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        */
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        const TDesC& IconText( TInt aSettingVal ) const;
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        /**
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        * Returns text that describes the setting represented by this list item. 
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        * @since 2.8
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        * @return A reference to the text.
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        */
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        const TDesC& Text() const;
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        /**
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        * Returns the cached settings model value that the current bitmap represents. 
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        * @since 2.8
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        * @return the cached settings model value.
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        */
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        TInt CurrentValue() const;
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        /**
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        * Returns the id of the settings model item that this list item represents. 
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        * @since 2.8
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        * @return the settings model item id.
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        */
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        TInt SettingsModelItemId() const;
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        /**
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        * Changes the cached settings model value and the bitmap that represents it. 
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        * @since 2.8
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        * @param aNewValueId the new settings model value id.
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        */
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        void SetValueTo( TInt aNewValueId );
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    private: // Constructors
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        /**
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        * C++ default constructor.
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        * @since 2.8
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        */
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        CCamCaptureSetupMenuListItem();
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        /**
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        * By default Symbian 2nd phase constructor is private.
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        * @since 2.8
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        * @param aReader reader that is used to construct the data for this list item
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        * from resources
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        */
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        void ConstructFromResourceL( TResourceReader& aReader );
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    private: // New functions
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        /**
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        * Returns the array index for the brightness/contrast setting value
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        * @since 2.8
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        * @param aValue  in:the setting value to map to an array index
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        *                out: the array index
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        */
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        void GetBrightnessContrastArrayIndex( TInt& aValue ) const;
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    private:    // Data
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        // Provides a list of all the bitmaps that are associated with
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        // a particular setting item value id.
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        RPointerArray<CFbsBitmap> iBitmaps;
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        RPointerArray<CFbsBitmap> iMasks;
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        // Text to be used in place of an icon for this list item.
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        CArrayFixFlat<TIconText>* iIconTexts;
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        // id of the setting item that is associated with this list item.
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        TInt iSettingsModelItemId;
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        // The text description for this list item.
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        TBuf<KListItemMaximumTextLength> iText;
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        // The settings model id of the currently set value for this list item.
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        TInt iCurrentSettingItemValueId;
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    };
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#endif      // CAMCAPTURESETUPMENULISTITEM_H   
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// End of File