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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: CMmListBoxItemDrawer
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* Version : %version: MM_38.1.19 % << Don't touch! Updated by Synergy at check-out.
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*
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*/
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#ifndef C_MMLISTBOXITEMDRAWER_H
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#define C_MMLISTBOXITEMDRAWER_H
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#include <e32std.h>
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#include <e32base.h>
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#include <AknsBasicBackgroundControlContext.h>
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#include <eikfrlbd.h>
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#include <AknDef.hrh>
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#include "mmwidgetsconstants.h"
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#include "mmtemplatelibrary.h"
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#include "hniconholder.h"
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#include "mmsubcellssetupcode.h"
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class CMmListBoxModel;
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class TMmFloatingItem;
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class CMmMarqueeAdapter;
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class CMmDrawerAnimator;
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class CMmPostEvaluationProcessor;
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class CMmItemsDataCache;
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/**
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* Used to draw items in widgets. The item drawer is used both by grid
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* and listbox. Data is used to draw subcells. The subcell templates are fetched
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* from the template library and set to data to be drawn.
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*
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* @code
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* @endcode
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* @lib mmwidgets
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* @since S60 v3.0
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* @ingroup group_mmwidgets
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*/
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NONSHARABLE_CLASS( CMmListBoxItemDrawer ):
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public CFormattedCellListBoxItemDrawer
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{
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friend class CMmPostEvaluationProcessor;
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public:
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/**
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* Two-phased constructor.
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*
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* @since S60 v3.0
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* @param aMmListBoxModel The listbox model.
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* @param aFont Font.
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* @param aFormattedCellData Cell data.
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* @param aWidgetType Widget type.
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*/
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static CMmListBoxItemDrawer* NewL(
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CMmListBoxModel* aMmListBoxModel,
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const CFont* aFont,
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CFormattedCellListBoxData* aFormattedCellData,
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TMmWidgetType aWidgetType,
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CMmTemplateLibrary* aTemplateLibrary );
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/**
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* Two-phased constructor.
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*
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* @since S60 v3.0
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* @param aMmListBoxModel The listbox model.
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* @param aFont Font.
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* @param aFormattedCellData Cell data.
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* @param aWidgetType Widget type.
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*/
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static CMmListBoxItemDrawer* NewLC(
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CMmListBoxModel* aMmListBoxModel,
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const CFont* aFont,
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CFormattedCellListBoxData* aFormattedCellData,
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TMmWidgetType aWidgetType,
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CMmTemplateLibrary* aTemplateLibrary );
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/**
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* Destructor.
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*
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* @since S60 v3.0
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*/
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~CMmListBoxItemDrawer();
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/**
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* Enables/disables cached data use.
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*
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* When aEnable is true:
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* Enables the use of cached data when drawing items.
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* This significantly improves performance.
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* Do not ever try to use this feature in edit mode.
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*
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* When aEnable is false:
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* Restores the normal mode where data needed for drawing
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* items is retrieved from the model and the cached data
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* is updated with the information retrieved from the model
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*
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* @param aEnable Self-explanatory.
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*/
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void EnableCachedDataUse( TBool aEnable );
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/**
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* Returns ETrue if item drawer is using cached data.
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* To start/stop using cached data, use the @c EnableCachedDataUse
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* method.
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*
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* @return ETrue if cached data is used, EFalse otherwise.
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*/
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TBool CachedDataUseIsEnabled() const;
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/**
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* This method should be called whenever items(s) are removed
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* in order to remove corresponding entries in the local
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* items data cache.
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*
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* @param aItemCount current item count
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*/
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void TrimCacheSize( TInt aItemCount );
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/**
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* Invalidates the cached data for all items.
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*/
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void InvalidateCache();
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/**
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* Get the height of the given item.
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*
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* @since S60 v3.0
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* @param aItemIndex Item index for which height is calculated.
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* @param aItemIsCurrent Is item the current widget item.
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* @return Item height.
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*/
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TInt GetItemHeight( TInt aItemIndex, TBool aItemIsCurrent ) const;
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/**
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* Gets size of given item.
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*
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* @since S60 v3.0
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* @param aItemIndex Item index.
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* @param aItemIsCurrent Is item the current widget item.
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* @return Size of item.
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*/
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TSize GetItemSize( TInt aItemIndex, TBool aItemIsCurrent ) const;
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/**
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* Gets rect of indicator.
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*
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* @since S60 v3.0
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* @return Rect of indicator.
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*/
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TRect GetIndicatorRect() const;
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/**
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* Setx draggable state
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*
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* @since S60 v3.0
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* @param aDraggable Is draggable.
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*/
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void SetDraggableL( TBool aDraggable );
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/**
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* Sets item which is dragged.
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*
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* @since S60 v3.0
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* @param aDraggedItemIndex Dragged item index.
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* @param aPoint Dragged point.
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*/
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void SetDraggedIndexL( TInt aDraggedItemIndex, TPoint aPoint );
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/**
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* Sets item which is dragged.
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*
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* @since S60 v3.0
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* @param aCenterPoint Center point of dragged item.
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*/
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void SetDraggedPointL( TPoint aCenterPoint );
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/**
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* Reveales if is possible to drag.
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*
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* @since S60 5.0
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* @return Is draggable.
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*/
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TBool IsDraggable() const;
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/**
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* Sets associated widget.
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*
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* @since S60 5.0
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* @param aView Widget to associated with this drawer.
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*/
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void SetView( CEikListBox* aView );
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/**
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* Get associated widget.
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*
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* @since S60 5.0
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* @return Widget associated with this drawer.
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*/
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CEikListBox* Widget() const;
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/**
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* Gets template library.
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*
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* @since S60 5.0
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* @return Return iTemplateLibrary.
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*/
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CMmTemplateLibrary* TemplateLibrary();
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/**
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* Sets the background context.
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*
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* @since S60 5.0
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* @param aBgContext Background context.
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*/
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void SetBgContext(
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CAknsBasicBackgroundControlContext* aBgContext );
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/**
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* Sets condition if background should be redrawn.
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*
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* @since S60 v3.0
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* @param aRedraw Should background be redrawn.
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*/
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void SetRedrawItemBackground( TBool aRedraw );
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/**
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* Sets condition if separator line should be drawn.
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*
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* @since S60 v3.0
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* @param aRedraw Should separator line be drawn.
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*/
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void SetDrawSeparatorLines( TBool aDraw );
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/**
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* Checks if item background redrawing is enabled.
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*
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* @since S60 v3.0
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* @return Is background redrawing enabled.
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*/
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TBool IsRedrawItemBackgroundEnabled() const;
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/**
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* Draws empty item ( no subcells ).
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*
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* @since S60 v3.0
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* @param aItemIndex Item index.
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* @param aItemRectPos Item rectangle position.
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* @param aViewIsDimmed Is view dimmed.
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*/
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void DrawEmptyItem( TInt aItemIndex,
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TPoint aItemRectPos, TBool aViewIsDimmed ) const;
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/**
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* Sets edit mode condition.
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*
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* @since S60 v3.0
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* @param aIsEditMode Is edit mode.
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*/
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void SetEditModeL( TBool aIsEditMode );
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/**
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* Checks if edit mode is running.
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*
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* @since S60 v3.0
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* @return Is edit mode running.
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*/
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TBool IsEditMode() const;
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/**
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* Animates dragged item transition.
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*
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* @since S60 v3.0
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*/
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void AnimateDragItemTransitionL( );
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/**
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* Animates swapping of items.
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*
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* @since S60 v3.0
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* @param aItemFrom Start item position (index).
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* @param aItemTo End item position (index).
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*/
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void AnimateItemSwapL( TInt aItemFrom, TInt aItemTo );
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/**
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* Animate item zoom in.
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*
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* @since S60 v3.0
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* @param aItemIndex Item index of item to be zoomed in.
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*/
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void AnimateItemZoomInL( TInt aItemIndex );
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/**
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* Animate item zoom out.
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*
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* @since S60 v3.0
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* @param aItemIndex Item index of zoomed item.
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*/
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void AnimateItemZoomOutL( TInt aItemIndex );
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/**
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* Checks if item drawer is ready to run new animation.
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*
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* @since S60 v3.0
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* @return Is drawer ready to run animation.
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*/
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CMmDrawerAnimator* GetAnimator();
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/**
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* Draws floating items.
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*
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* @since S60 v3.0
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* @param aCurrentlyDrawnRect Currently drawn item rectangle.
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*/
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void DrawFloatingItems( TRect aCurrentlyDrawnRect );
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/**
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* Gets floating item index.
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*
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* @since S60 v3.0
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* @param aType Floating item type.
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* @return Floating item index.
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*/
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TInt GetFloatingItemIndex( TMmFloatingItemType aType ) const;
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/**
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* Gets floating item.
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*
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* @since S60 v3.0
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* @param aType Floating item type.
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* @return Floating item.
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*/
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TMmFloatingItem& GetFloatingItemL( TMmFloatingItemType aType );
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/**
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* Gets number of floating items.
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*
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* @since S60 5.0
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* @param aType Floating item type.
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* @return Number of floating items.
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*/
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TInt GetValidFloatingItemCount( TMmFloatingItemType aType );
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/**
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* Gets floating items count.
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*
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* @since S60 5.0
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* @return Number of the floating items in the array.
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*/
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TInt GetFloatingItemCount();
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/**
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* Adds floating item to the floating item array.
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*
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* @since S60 5.0
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* @param aFloatingItem Floating item to be added.
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* @param aPosition Position to add at.
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*/
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void AddFloatingItemL( TMmFloatingItem& aFloatingItem,
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TInt aPosition = KErrNotFound );
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/**
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* Removes floating item.
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*
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* @since S60 5.0
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* @param aPosition Floating item index to be removed.
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*/
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void RemoveFloatingItem( TInt aPosition );
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/**
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* Removes all floating items.
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*
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* @since S60 5.0
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*/
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void RemoveFloatingItems();
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/**
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* Gets floating item at particular index in the
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* floating item array.
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*
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* @since S60 5.0
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* @param aIndex Index of the floating item in the array.
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* @return Floating item.
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*/
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TMmFloatingItem& GetFloatingItemAtIndex( TInt aIndex );
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/**
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* Used to set scrollbar visibility flag.
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*
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* @since S60 v3.0
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* @param aIsScrollbarVisible Is scrollbar visible.
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*/
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void SetScrollbarVisibilityL( TBool aIsScrollbarVisible );
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/**
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* Replaces subcell text.
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*
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* @since S60 v3.0
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* @param aText Text which will replace previous text.
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*/
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void ReplaceSubCellText( const TDesC& aText );
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/**
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* Adds subcell marquee element.
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*
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* @since S60 v3.0
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* @param aSubCellTemplate Subcell template data.
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* @param aIndex Subcell index.
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* @param aItemIndex Item index.
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*/
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void AddSubcellMarqueeElementL( TTemplateChild aSubCellTemplate,
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TInt aIndex, TInt aItemIndex );
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/**
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* Sets the marquee adapter.
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*
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* @since S60 v3.0
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* @param aAdapter Marquee adapter.
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*/
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void SetMarqueeAdapter( CMmMarqueeAdapter* aAdapter );
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/**
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* Sets the flag which tells that marquee is currently being drawn.
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*
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* @since S60 v3.0
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* @param aIsMarqueeBeingDrawn Is marquee being drawn.
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*/
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void SetMarqueeDrawing( TBool aIsMarqueeBeingDrawn );
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/**
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* Checks if text is clipped.
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*
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* @since S60 v3.0
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* @param aTemplateChild Subcell template data.
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* @param aText Text to be clipped.
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* @return Is text clipped.
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*/
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TBool IsTextClippedL( TTemplateChild aTemplateChild,
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const TDesC& aText ) const;
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/**
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|
456 |
* Sets the flag which tells that a scrollbar event is running.
|
|
457 |
*
|
|
458 |
* @since S60 v3.0
|
|
459 |
* @param aIsRunning Is scrollbar event running.
|
|
460 |
*/
|
|
461 |
void SetScrollbarEventRunning( TBool aIsRunning );
|
|
462 |
|
|
463 |
/**
|
|
464 |
* Sets number of columns in view.
|
|
465 |
*
|
|
466 |
* @since S60 v3.0
|
|
467 |
* @param aNumberOfColumns Number of columns in view.
|
|
468 |
*/
|
|
469 |
void SetNumberOfColsInView( TInt aNumberOfColumns );
|
|
470 |
|
|
471 |
/**
|
|
472 |
* Used in non-touch edit mode to block drawing of move indicators and highlight
|
|
473 |
* to clean screen for animation.
|
|
474 |
*
|
|
475 |
* @since S60 v3.0
|
|
476 |
* @param aDrawn Should highlight and move indicators be drawn.
|
|
477 |
*/
|
|
478 |
void SetHighlightShown( TBool aDrawn );
|
|
479 |
|
|
480 |
/**
|
|
481 |
* Draws background.
|
|
482 |
*
|
|
483 |
* @since S60 v3.0
|
|
484 |
* @param aItemTextRect Item rectangle.
|
|
485 |
*/
|
|
486 |
void DrawBackground( const TRect& aItemTextRect ) const;
|
|
487 |
|
|
488 |
/**
|
|
489 |
* Animates transition of the dragged item.
|
|
490 |
* The animation starts in the original place of dragging item,
|
|
491 |
* and end in the EDrag floating item position, when item had been start drag.
|
|
492 |
*
|
|
493 |
* @since S60 v5.0
|
|
494 |
* @param aDraggedIndex Draged item index to be animated.
|
|
495 |
* @param aPoint End position of animated item.
|
|
496 |
*/
|
|
497 |
void AnimateDragItemStartL( TInt aDraggedIndex, TPoint aPoint );
|
|
498 |
|
|
499 |
protected:
|
|
500 |
/**
|
|
501 |
* From CListItemDrawer. Draws an item.
|
|
502 |
*
|
|
503 |
* @since S60 v3.0
|
|
504 |
* @param aItemIndex Item index to be drawn.
|
|
505 |
* @param aItemRectPos Item rectangle position.
|
|
506 |
* @param aItemIsSelected Is item selected.
|
|
507 |
* @param aItemIsCurrent Is item current.
|
|
508 |
* @param aViewIsEmphasized Is view emphasized.
|
|
509 |
* @param aViewIsDimmed Is view dimmed.
|
|
510 |
*/
|
|
511 |
void DrawItem( TInt aItemIndex, TPoint aItemRectPos,
|
|
512 |
TBool aItemIsSelected, TBool aItemIsCurrent,
|
|
513 |
TBool aViewIsEmphasized, TBool aViewIsDimmed ) const;
|
|
514 |
|
|
515 |
/**
|
|
516 |
* Draws item according to format text.
|
|
517 |
*
|
|
518 |
* @since S60 v3.0
|
|
519 |
* @param aItemIndex Item index to be drawn.
|
|
520 |
* @param aItemTextRect Item rectangle.
|
|
521 |
* @param aItemIsCurrent Is item current.
|
|
522 |
* @param aViewIsEmphasized Is view emphasized.
|
|
523 |
* @param aItemIsSelected Is item selected.
|
|
524 |
*/
|
|
525 |
void DrawItemText( TInt aItemIndex, const TRect& aItemTextRect,
|
|
526 |
TBool aItemIsCurrent, TBool aViewIsEmphasized,
|
|
527 |
TBool aItemIsSelected ) const;
|
|
528 |
/**
|
|
529 |
* Draws the actual item contents for the specified item in the specified
|
|
530 |
* rectangle.
|
|
531 |
*
|
|
532 |
* @param aItemIndex Index of the item to draw.
|
|
533 |
* @param aActualItemRect Area to draw into.
|
|
534 |
* @param aItemIsCurrent @c ETrue if the item is current.
|
|
535 |
* @param aViewIsEmphasized @c ETrue if the view is emphasised.
|
|
536 |
* @param aViewIsDimmed Ignored
|
|
537 |
* @param aItemIsSelected @c ETrue if the item is selected.
|
|
538 |
*/
|
|
539 |
void DrawActualItem(TInt aItemIndex, const TRect& aActualItemRect,
|
|
540 |
TBool aItemIsCurrent, TBool aViewIsEmphasized, TBool aViewIsDimmed,
|
|
541 |
TBool aItemIsSelected) const;
|
|
542 |
|
|
543 |
/**
|
|
544 |
* Sets up item currently drawn item subcells.
|
|
545 |
* Also, fills-in/updates the cache information for the item at index
|
|
546 |
* aItemIndex.
|
|
547 |
*
|
|
548 |
* @since S60 v3.0
|
|
549 |
* @param aItemIsCurrent Is item the current item in widget.
|
|
550 |
* @param aItemIndex Item index.
|
|
551 |
*/
|
|
552 |
void SetupSubCellsL( TBool aItemIsCurrent, TInt aItemIndex ) const;
|
|
553 |
|
|
554 |
/**
|
|
555 |
* Sets up subcell to be drawn by listbox data.
|
|
556 |
*
|
|
557 |
* @since S60 v3.0
|
|
558 |
* @param aSubCellTemplate Subcell template data.
|
|
559 |
* @param aIndex Subcell index.
|
|
560 |
* @param aItemIndex Item index.
|
|
561 |
*/
|
|
562 |
void SetupSubCellL( TTemplateChild aSubCellTemplate, TInt aIndex,
|
|
563 |
TInt aItemIndex ) const;
|
|
564 |
|
|
565 |
/**
|
|
566 |
* Sets up "null" subcell to be avoided when drawing.
|
|
567 |
*
|
|
568 |
* @since S60 v3.0
|
|
569 |
* @param aIndex Subcell index.
|
|
570 |
* @param aItemIndex Item index.
|
|
571 |
*/
|
|
572 |
void SetupSubNoCellL( TInt aIndex, TInt aItemIndex ) const;
|
|
573 |
|
|
574 |
/**
|
|
575 |
* Sets up icon for dragged subcell.
|
|
576 |
*
|
|
577 |
* @since S60 v3.0
|
|
578 |
* @param aSubCellTemplate Subcell template data.
|
|
579 |
* @param aIndex Subcell index.
|
|
580 |
* @param aItemIndex Index of dragged item.
|
|
581 |
*/
|
|
582 |
void SetupSubIcondDragHighlightCellL( TTemplateChild aSubCellTemplate,
|
|
583 |
TInt aIndex, TInt aItemIndex ) const;
|
|
584 |
|
|
585 |
/**
|
|
586 |
* Adjusts rectangle of item.
|
|
587 |
*
|
|
588 |
* @since S60 v3.0
|
|
589 |
* @param aItemIndex Item's index which adjust rectangle.
|
|
590 |
* @return Index of item which rectangle should be adjusted.
|
|
591 |
*/
|
|
592 |
TRect AdjustItemRect( TInt aItemIndex ) const;
|
|
593 |
|
|
594 |
/**
|
|
595 |
* Draws the move indicator over the indicated item.
|
|
596 |
*
|
|
597 |
* @since S60 v3.0
|
|
598 |
* @param aItemIndex Item index with move indicator.
|
|
599 |
* @param aActualItemRect The actual rectangle of indicator item.
|
|
600 |
*/
|
|
601 |
void DrawActualIndicatorItem( TInt aItemIndex, TRect aActualItemRect );
|
|
602 |
|
|
603 |
/**
|
|
604 |
* Sets up colors for subcell data.
|
|
605 |
*
|
|
606 |
* @since S60 v3.0
|
|
607 |
* @return Colors for subcell drawing.
|
|
608 |
*/
|
|
609 |
CFormattedCellListBoxData::TColors SetupColors( TBool aDragged = EFalse ) const;
|
|
610 |
|
|
611 |
private:
|
|
612 |
|
|
613 |
/**
|
|
614 |
* Default constructor.
|
|
615 |
*
|
|
616 |
* @since S60 v3.0
|
|
617 |
* @param aMmListBoxModel List box model.
|
|
618 |
* @param aFont Font needed by base constructor.
|
|
619 |
* @param aFormattedCellData Used to format subcell data in item drawer.
|
|
620 |
* @param aWidgetType Type of widgte (list/grid).
|
|
621 |
* @param aTemplateLibrary TemplateLibrary contains items sizes.
|
|
622 |
*/
|
|
623 |
CMmListBoxItemDrawer( CMmListBoxModel* aMmListBoxModel,
|
|
624 |
const CFont* aFont,
|
|
625 |
CFormattedCellListBoxData* aFormattedCellData,
|
|
626 |
TMmWidgetType aWidgetType, CMmTemplateLibrary* aTemplateLibrary );
|
|
627 |
|
|
628 |
/**
|
|
629 |
* 2nd phase constructor.
|
|
630 |
*
|
|
631 |
* @since S60 v3.0
|
|
632 |
*/
|
|
633 |
void ConstructL();
|
|
634 |
|
|
635 |
/**
|
|
636 |
*Draws the item text according to the format defined by a text string.
|
|
637 |
*
|
|
638 |
* @since S60 v3.0
|
|
639 |
* @param aItemIndex Item index to be drawn.
|
|
640 |
* @param aItemTextRect Item rectangle.
|
|
641 |
* @param aItemIsCurrent Is item current.
|
|
642 |
* @param aViewIsEmphasized Is view emphasized.
|
|
643 |
* @param aItemIsSelected Is item selected.
|
|
644 |
*/
|
|
645 |
void DoDrawItemTextL( TInt aItemIndex, const TRect& aItemTextRect,
|
|
646 |
TBool aItemIsCurrent, TBool aViewIsEmphasized,
|
|
647 |
TBool aItemIsSelected ) const;
|
|
648 |
|
|
649 |
/**
|
|
650 |
* Draws an item.
|
|
651 |
*
|
|
652 |
* @since S60 v3.0
|
|
653 |
* @param aItemIndex Item index to be drawn.
|
|
654 |
* @param aItemRectPos Position of item rectangle.
|
|
655 |
* @param aItemIsSelected Is item selected.
|
|
656 |
* @param aItemIsCurrent Is item current.
|
|
657 |
* @param aViewIsEmphasized Is view emphasized.
|
|
658 |
* @param aViewIsDimmed Is view dimmed.
|
|
659 |
*/
|
|
660 |
void DoDrawItem(TInt aItemIndex, TPoint aItemRectPos,
|
|
661 |
TBool aItemIsSelected, TBool aItemIsCurrent, TBool aViewIsEmphasized,
|
|
662 |
TBool aViewIsDimmed) const;
|
|
663 |
|
|
664 |
/**
|
|
665 |
* Sets up backdrop image subcell.
|
|
666 |
*
|
|
667 |
* @since S60 v3.0
|
|
668 |
* @param aTemplateChildArray Array of subcell children where the backdrop subcell template is appended.
|
|
669 |
* @param aItemIndex Index of currently drawn item.
|
|
670 |
* @param aItemText Text used to format item subcell content.
|
|
671 |
* @param aSubcellIncrement Is incremented if backdrop subcell template is appended.
|
|
672 |
*/
|
|
673 |
void SetupBackdropSubcellL(
|
|
674 |
RArray<TTemplateChild>& aTemplateChildArray, TInt aItemIndex,
|
|
675 |
RBuf& aItemText, TInt& aSubcellIncrement ) const;
|
|
676 |
|
|
677 |
/**
|
|
678 |
* Sets up icon image subcell.
|
|
679 |
*
|
|
680 |
* @since S60 v3.0
|
|
681 |
* @param aTemplateChildArray Array of subcell children where the backdrop subcell template is appended.
|
|
682 |
* @param aChildIndex Index of a template child.
|
|
683 |
* @param aItemIndex Index of currently drawn item.
|
|
684 |
* @param aItemText Text used to format item subcell content.
|
|
685 |
* @param aSubcellIncrement Is incremented if backdrop subcell template is appended.
|
|
686 |
*/
|
|
687 |
void SetupIconSubcellL(
|
|
688 |
RArray<TTemplateChild>& aTemplateChildArray, TInt aChildIndex, TInt aItemIndex,
|
|
689 |
RBuf& aItemText, TInt& aSubcellIncrement ) const;
|
|
690 |
|
|
691 |
/**
|
|
692 |
* Determines whether a bitmap of given size needs scaling to be displayed
|
|
693 |
* in a rectangular area of some given target size.
|
|
694 |
*
|
|
695 |
* This method assumes that the bitmap will always be scaled with aspect
|
|
696 |
* ratio preserved. A bitmap does not need scaling if its size meets either
|
|
697 |
* of the two conditions:
|
|
698 |
* 1. bitmap width is nearly the same* as target area width and bitmap height
|
|
699 |
* is not greater than target height
|
|
700 |
* 2. bitmap width is not greater that target width and bitmap height is
|
|
701 |
* nearly the same* as target height.
|
|
702 |
* * nearly the same means that it is exactly the same or differs by at most
|
|
703 |
* 1 pixel.
|
|
704 |
* Please note that a bitmap which is too small (i.e. neither its width or its
|
|
705 |
* height is close to the target width/height) will be regarded as one that
|
|
706 |
* needs scaling.
|
|
707 |
*
|
|
708 |
* @param aBmpSize size of the bitmap
|
|
709 |
* @param aTargetSize size of the area where bitmap will be displayed
|
|
710 |
* @return ETrue if bitmap does not need scaling
|
|
711 |
*/
|
|
712 |
TBool BitmapFitsIntoTarget( TSize aBmpSize, TSize aTargetSize ) const;
|
|
713 |
|
|
714 |
/**
|
|
715 |
* Sets up icon text subcell.
|
|
716 |
*
|
|
717 |
* @since S60 v3.0
|
|
718 |
* @param aTemplateChildArray Array of subcell children where the backdrop subcell template is appended.
|
|
719 |
* @param aItemIndex Index of currently drawn item.
|
|
720 |
* @param aItemText Text used to format item subcell content.
|
|
721 |
* @param aSubcellIncrement Is incremented if backdrop subcell template is appended.
|
|
722 |
* @param aChildIndex Index of a template child.
|
|
723 |
*/
|
|
724 |
void SetupTextSubcellL(
|
|
725 |
RArray<TTemplateChild>& aTemplateChildArray, TInt aChildIndex, TInt aItemIndex,
|
|
726 |
RBuf& aItemText, TInt& aSubcellIncrement ) const;
|
|
727 |
|
|
728 |
/**
|
|
729 |
* Appends text if there is enough free memory.
|
|
730 |
*
|
|
731 |
* @since S60 v3.0
|
|
732 |
* @param aBuffer Buffer to which the text will be added
|
|
733 |
* @param aTextToAppend Text to add
|
|
734 |
*/
|
|
735 |
void AppendText( RBuf& aBuffer, const TDesC& aTextToAppend ) const;
|
|
736 |
|
|
737 |
/**
|
|
738 |
* Returns true if an item having an index equal to aItemIndex is a
|
|
739 |
* floating and dragged item.
|
|
740 |
*
|
|
741 |
* @param aItemIndex An index of a currently drawn item.
|
|
742 |
* @return ETrue if an item is floating and dragged.
|
|
743 |
*/
|
|
744 |
TBool IsFloating( TInt aItemIndex ) const;
|
|
745 |
|
|
746 |
/**
|
|
747 |
* Returns highlight visibility.
|
|
748 |
*
|
|
749 |
* @param aItemIndex An index of a currently drawn item.
|
|
750 |
* @param aItemIsCurrent Is aItemIndex the current item index.
|
|
751 |
* @param aAllowHighlightForNonDraggedItem Should highlight be shown
|
|
752 |
* (set in case when effects are used).
|
|
753 |
* @return ETrue if highlight is drawn for the actually drawn item.
|
|
754 |
*/
|
|
755 |
TBool GetHighlightVisibility( TInt aItemIndex,
|
|
756 |
TBool aItemIsCurrent, TBool aAllowHighlightForNonDraggedItem ) const;
|
|
757 |
|
|
758 |
/**
|
|
759 |
* Returns backdrop visibility.
|
|
760 |
*
|
|
761 |
* @param aItemIndex An index of a currently drawn item.
|
|
762 |
* @param aItemIsCurrent Is aItemIndex the current item index.
|
|
763 |
* @return ETrue if backdrop is visible for the currently drawn item.
|
|
764 |
*/
|
|
765 |
TBool GetBackdropVisibility( TInt aItemIndex, TBool aItemIsCurrent ) const;
|
|
766 |
|
|
767 |
/**
|
|
768 |
* Checks if item has specified floating type.
|
|
769 |
*
|
|
770 |
* @param aItemIndex Item index.
|
|
771 |
* @param aFloatingType Floating type to check on the item.
|
|
772 |
* @return ETrue if the item is of the given floating type.
|
|
773 |
*/
|
|
774 |
TBool ItemHasFloatingType( TInt aItemIndex, TMmFloatingItemType aFloatingType) const;
|
|
775 |
|
|
776 |
public:
|
|
777 |
/**
|
|
778 |
* Animator used by drawer to animate item transitions.
|
|
779 |
* Own
|
|
780 |
*/
|
|
781 |
CMmDrawerAnimator* iAnimator;
|
|
782 |
|
|
783 |
private: // Data
|
|
784 |
/**
|
|
785 |
* Listbox model.
|
|
786 |
* Not own.
|
|
787 |
*/
|
|
788 |
CMmListBoxModel* iMmModel;
|
|
789 |
|
|
790 |
/**
|
|
791 |
* Font.
|
|
792 |
*/
|
|
793 |
const CFont * iFont;
|
|
794 |
|
|
795 |
/**
|
|
796 |
* Drawer owner widget type (list/grid).
|
|
797 |
*/
|
|
798 |
TMmWidgetType iWidgetType;
|
|
799 |
|
|
800 |
/**
|
|
801 |
* Is draggable flag.
|
|
802 |
*/
|
|
803 |
TBool iDraggable;
|
|
804 |
|
|
805 |
/**
|
|
806 |
* Widget.
|
|
807 |
*/
|
|
808 |
CEikListBox* iWidget;
|
|
809 |
|
|
810 |
/**
|
|
811 |
* Background context.
|
|
812 |
* Not own.
|
|
813 |
*/
|
|
814 |
CAknsBasicBackgroundControlContext * iBgContext;
|
|
815 |
|
|
816 |
/**
|
|
817 |
* Redraw background flag.
|
|
818 |
*/
|
|
819 |
TBool iRedrawBackground;
|
|
820 |
|
|
821 |
/**
|
|
822 |
* Draw separators flag.
|
|
823 |
*/
|
|
824 |
TBool iDrawSeparatorLines;
|
|
825 |
|
|
826 |
/**
|
|
827 |
* Ratio of zooming animation.
|
|
828 |
*/
|
|
829 |
TReal iIconAnimationZoomRatio;
|
|
830 |
|
|
831 |
/**
|
|
832 |
* Zommed item index.
|
|
833 |
*/
|
|
834 |
TInt iZoomIconIndex;
|
|
835 |
|
|
836 |
/**
|
|
837 |
* Is edit mode flag.
|
|
838 |
*/
|
|
839 |
TBool iIsEditMode;
|
|
840 |
|
|
841 |
/**
|
|
842 |
* Array of floating items.
|
|
843 |
*/
|
|
844 |
RArray<TMmFloatingItem> iFloatingItems;
|
|
845 |
|
|
846 |
/**
|
|
847 |
* Just draw backdrop flag.
|
|
848 |
*/
|
|
849 |
TBool iLeftOverAreaUnderAnimatedItem;
|
|
850 |
|
|
851 |
/**
|
|
852 |
* Is drawn item an indicator item.
|
|
853 |
*/
|
|
854 |
TBool iIsIndicatorItem;
|
|
855 |
|
|
856 |
/**
|
|
857 |
* Marquee adapter.
|
|
858 |
*/
|
|
859 |
CMmMarqueeAdapter* iMarqueeAdapter;
|
|
860 |
|
|
861 |
/**
|
|
862 |
* Subcell item text.
|
|
863 |
*/
|
|
864 |
HBufC* iSubcellText;
|
|
865 |
|
|
866 |
/**
|
|
867 |
* Is marquee being drawn flag;
|
|
868 |
*/
|
|
869 |
TBool iIsMarqueeBeingDrawn;
|
|
870 |
|
|
871 |
/**
|
|
872 |
* Number of columns in widget.
|
|
873 |
*/
|
|
874 |
TInt iNumberOfColsInWidget;
|
|
875 |
|
|
876 |
/**
|
|
877 |
* Original mask of the dragged item.
|
|
878 |
* Not own.
|
|
879 |
*/
|
|
880 |
CFbsBitmap* iOriginalMask;
|
|
881 |
|
|
882 |
/**
|
|
883 |
* Gul Icon of the item dragged.
|
|
884 |
* Not own.
|
|
885 |
*/
|
|
886 |
CGulIcon* iGulDragged;
|
|
887 |
|
|
888 |
/**
|
|
889 |
* Temporary mask of the dragged item.
|
|
890 |
* Not own.
|
|
891 |
*/
|
|
892 |
CFbsBitmap* iDragMask;
|
|
893 |
|
|
894 |
/**
|
|
895 |
* Indicates id original gul had external bitmaps.
|
|
896 |
*/
|
|
897 |
TBool iExternalBitamp;
|
|
898 |
|
|
899 |
/**
|
|
900 |
* Indicates if highlight should be shown.
|
|
901 |
*/
|
|
902 |
TBool iHighlightShown;
|
|
903 |
|
|
904 |
/**
|
|
905 |
* Indicates if move indicators should be drawn.
|
|
906 |
*/
|
|
907 |
TBool iDrawMoveIndicators;
|
|
908 |
|
|
909 |
/**
|
|
910 |
* Template library. Stores template attributes.
|
|
911 |
* Not own.
|
|
912 |
*/
|
|
913 |
CMmTemplateLibrary* iTemplateLibrary;
|
|
914 |
|
|
915 |
/**
|
|
916 |
* Storage for cached items data. The data is updated during normal operation
|
|
917 |
* and used when iUseCache is ETrue.
|
|
918 |
* Own.
|
|
919 |
*/
|
|
920 |
CMmItemsDataCache* iItemsDataCache;
|
|
921 |
|
|
922 |
/**
|
|
923 |
* This flag tells whether to rely on cached data (when possible) or
|
|
924 |
* to obtain data from the model normally. It should be set to ETrue
|
|
925 |
* when drawing performance is critical (e.g. during flick).
|
|
926 |
*/
|
|
927 |
TBool iUseCache;
|
|
928 |
|
|
929 |
/**
|
|
930 |
* Stores information on the last used subcells configuration.
|
|
931 |
* Such information is needed to determine whether it is necessary to
|
|
932 |
* setup subcells before drawing a particular item or is it possible
|
|
933 |
* to skip this step because the subcells are already set properly.
|
|
934 |
*/
|
|
935 |
mutable TMmSubcellsSetupCode iLastSubcellsSetupCode;
|
|
936 |
|
|
937 |
/**
|
|
938 |
* Set to ETrue if item has backdrop.
|
|
939 |
*/
|
|
940 |
mutable TBool iItemHasBackdrop;
|
|
941 |
|
|
942 |
/**
|
|
943 |
* Number of subcells in iData.
|
|
944 |
*/
|
|
945 |
mutable TInt iCurrentNumberOfSubcellsSet;
|
|
946 |
|
|
947 |
/**
|
|
948 |
* A structure that stores color information needed to draw an item.
|
|
949 |
*/
|
|
950 |
mutable CFormattedCellListBoxData::TColors iColors;
|
|
951 |
|
|
952 |
/**
|
|
953 |
* ETrue if the item that was last drawn was a floating item.
|
|
954 |
*/
|
|
955 |
mutable TBool iLastDrawnItemWasFloating;
|
|
956 |
|
|
957 |
/**
|
|
958 |
* ETrue if the drawing item is floating item of swap transition type.
|
|
959 |
*/
|
|
960 |
mutable TBool iIsSwapFloating;
|
|
961 |
|
|
962 |
};
|
|
963 |
|
|
964 |
#endif // MMLISTBOXITEMDRAWER_H
|