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/*
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* Copyright (c) 2007-2008 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: cuicscrollbar.h
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*
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*/
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#ifndef C_UICSCROLLBAR_H
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#define C_UICSCROLLBAR_H
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#include <alf/alfcontrol.h>
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#include <alf/alfbitmapprovider.h>
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#include "muicscrollbar.h"
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// Forward declarations
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class CAlfAnchorLayout;
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class CAlfDeckLayout;
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class CAlfImageVisual;
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class CAlfLayout;
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class CAlfTexture;
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/**
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* Composite image
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*/
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NONSHARABLE_CLASS( CUiCCompositeImage ) : public CBase
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{
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public:
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/**
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* Leave safe constructor
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*/
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static CUiCCompositeImage* NewL( CAlfControl& aControl, CAlfLayout* aParentLayout,
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CAlfTexture& aTop, CAlfTexture& aMiddle, CAlfTexture& aBottom );
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/**
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* Destructor
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*/
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~CUiCCompositeImage();
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/**
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* Returns layout for this component
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*/
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CAlfLayout& Layout();
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private:
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CUiCCompositeImage();
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void ConstructL( CAlfControl& aControl, CAlfLayout* aParentLayout,
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CAlfTexture& aTop, CAlfTexture& aMiddle, CAlfTexture& aBottom );
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void SetAnchors();
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private:
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CAlfAnchorLayout* iLayout;
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CAlfImageVisual* iTop;
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CAlfImageVisual* iMiddle;
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CAlfImageVisual* iBottom;
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};
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/**
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* CUiCScrollBar
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*
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*/
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NONSHARABLE_CLASS( CUiCScrollBar ) : public CAlfControl, public MUiCScrollBar,
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public MAlfBitmapProvider
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{
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public:
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/**
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* Leave safe constructor
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*/
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static CUiCScrollBar* NewL( CAlfEnv& aEnv, CAlfLayout* aParentLayout );
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public: // from MUiCScrollBar
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/**
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* @see MUiCScrollBar::Destroy
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*/
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virtual void Destroy();
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/**
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* @see MUiCScrollBar::Show
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*/
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virtual void Show( const TBool aShow );
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/**
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* @see MUiCScrollBar::UpdateModelL
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*/
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virtual void UpdateModelL( const TUiCScrollBarModel& aModel );
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/**
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* @see MUiCScrollBar::ThumbPosition
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*/
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virtual TInt ThumbPosition() const;
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/**
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* @see MUiCScrollBar::SetRect
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*/
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virtual void SetRect( const TRect& aRect );
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/**
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* @see MUiCScrollBar::Redraw
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*/
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virtual void Redraw();
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/**
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* @see MUiCScrollBar::NotifyThemeChanged
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*/
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virtual void NotifyThemeChanged();
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/**
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* @see MUiCScrollBar::LayoutHints
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*/
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virtual TInt LayoutHints() const;
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private: // from MAlfEventHandler
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/**
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* @see MAlfEventHandler::OfferEventL
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*/
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virtual TBool OfferEventL( const TAlfEvent& aEvent );
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private: // from MAlfBitmapProvider
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/**
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* @see MAlfBitmapProvider::ProvideBitmapL
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*/
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virtual void ProvideBitmapL( TInt aId, CFbsBitmap*& aBitmap, CFbsBitmap*& aMaskBitmap );
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private:
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/**
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* Destructor
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*/
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~CUiCScrollBar();
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/**
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* Constructor
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*/
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CUiCScrollBar();
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/**
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* 2nd constructor
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*/
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void ConstructL( CAlfEnv& aEnv, CAlfLayout* aParentLayout );
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/**
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* Sets anchors for background image and thumb
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*/
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void SetAnchors();
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/**
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* Sets anchors for background
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*/
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void SetBgAnchors();
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/**
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* Sets anchors for thumb
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*/
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void SetThumbAnchors();
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/**
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* Reads values from layout
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*/
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void UpdateLayoutValues();
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private:
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/**
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* Custom events
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*/
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enum TEvent
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{
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EFadeOut
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};
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/**
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* Unique bitmaps IDs, make sure these do no overlap with the ones defined
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* in UI
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*/
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enum TBitmapId
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{
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EThumbTop = 0x10000,
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EThumbMiddle,
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EThumbBottom,
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EBackgroundTop,
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EBackgroundMiddle,
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EBackgroundBottom
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};
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private:
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// Container layout
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CAlfDeckLayout* iDeck;
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// Scrollbar background layout
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CAlfAnchorLayout* iBgLayout;
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// Scrollbar layout
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CAlfAnchorLayout* iThumbLayout;
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// Scrollbar background visual
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CUiCCompositeImage* iBackGroundVisual;
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// Scrollbar thumb visual
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CUiCCompositeImage* iThumbVisual;
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// Scrollbar model
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TUiCScrollBarModel iModel;
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};
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#endif /* C_UICSCROLLBAR_H */
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