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/*
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* Copyright (c) 2010 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: Carousel widget for Symbian Homescreen
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*
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*/
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#ifndef _CCAROUSELWIDGET_H
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#define _CCAROUSELWIDGET_H
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// INCLUDES
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#include <xnextrenderingpluginadapter.h>
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#include <aknphysicsobserveriface.h>
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class MXnExtEventHandler;
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class CCarouselItem;
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class CAknPhysics;
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// Class declaration
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NONSHARABLE_CLASS( CCarouselItem ) : public CBase
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{
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public:
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// Constructors
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/**
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* C++ default constructor.
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*/
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CCarouselItem(/* CCarouselEditor& aEditor,*/ CFbsBitmap* aBitmap, CFbsBitmap* aMask);
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/**
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* Destructor.
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*/
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~CCarouselItem();
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void SetTextL( const TDesC& aText );
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CFbsBitmap* iBitmap;
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CFbsBitmap* iMask;
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private:
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HBufC* iText;
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};
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// CLASS DECLARATION
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/**
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*
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*/
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class CCarouselWidget : public CXnExtRenderingPluginAdapter,
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public MAknPhysicsObserver
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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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*/
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static CCarouselWidget* NewL();
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/**
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* Destructor.
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*/
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virtual ~CCarouselWidget();
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public: // from base classes
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/**
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* From CCoeControl Handles key events.
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* @since Series 60 3.1
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* @param aKeyEvent Key event.
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* @param aType Event type.
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* @return Key response
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*/
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TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent,
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TEventCode aType );
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/**
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* From CCoeControl
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*/
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void SetContainerWindowL( const CCoeControl &aContainer );
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/**
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* See CCoeControl documentation
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*/
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void HandlePointerEventL( const TPointerEvent& aPointerEvent );
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/**
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* From CCoeControl, CountComponentControls
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* @return Number of component controls
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*/
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TInt CountComponentControls() const;
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/**
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* From CCoeControl, ComponentControl
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* @param aIndex index of component control
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* @return pointer to the specified control
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*/
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CCoeControl* ComponentControl( TInt aIndex ) const;
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/**
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* Skin change notification.
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* See CXnControlAdapter documentation
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* @since Series 60 3.1
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*/
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void SkinChanged();
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/**
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* See CXnControlAdapter documentation
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*/
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void EnterPowerSaveModeL();
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/**
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* See CXnControlAdapter documentation
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*/
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void ExitPowerSaveModeL();
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// From MAknPhysicsObserver
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/**
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* Physics emulation has moved the view.
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*/
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void ViewPositionChanged( const TPoint& aNewPosition,
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TBool aDrawNow, TUint aFlags );
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/**
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* Called when emulation ended.
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*/
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void PhysicEmulationEnded();
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/**
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* Returns the observer view position.
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*
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* @return Physics observer view position.
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*/
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TPoint ViewPosition() const;
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protected: // from base classes
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/**
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* From CCoeControl
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* Called if focus changes
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*/
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void FocusChanged( TDrawNow aDrawNow );
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/**
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* From CCoeControl
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* Called if position or size changes
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*/
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void SizeChanged();
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/**
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* Sets the external event handler interface.
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*
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* @since Series 60 5.2
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* @param aEventHandler Event handler interface.
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*/
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void SetEventHandler( MXnExtEventHandler* aEventHandler );
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/**
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* Routes the data stream for the external rendering plugin.
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*
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* @since Series 60 5.2
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* @param aData Data stream.
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* @param aType Type of the stream.
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* @param aIndex Index of the data.
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*/
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void SetDataL( const TDesC8& aData, const TDesC& aType, TInt aIndex );
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private: // from base classes
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/**
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* From CCoeControl, Draw
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* See CCoeControl documentation
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*/
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void Draw( const TRect& aRect ) const;
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public:
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/**
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* C++ default constructor.
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*/
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CCarouselWidget();
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/**
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* By default Symbian 2nd phase constructor is private.
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*/
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void ConstructL();
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TRect ViewPort() {return iViewPort; };
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private:
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void InitPhysicEngineL();
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TInt ItemIndex( TPoint& aPoint );
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void LaunchItemL( TPoint& aPosition );
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private: // Member data
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/**
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* Physics.
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* Own.
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*/
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CAknPhysics* iPhysics;
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MXnExtEventHandler* iEventHandler; // not own
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/**
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* Pointer down start time.
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*/
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TTime iStartTime;
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/**
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* Start (pointer down) position.
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*/
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TPoint iStartPosition;
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/**
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* Current pointer position.
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*/
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TPoint iStylusPosition;
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/**
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* Current view position.
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*/
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TPoint iCurrentPosition;
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/**
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* Adjusted view position
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*/
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TPoint iViewPosition;
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/**
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* Visible area, i.e. area of the scollable control that is to be drawn.
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*/
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TRect iViewPort;
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RPointerArray<CCarouselItem> iStripeItems;
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TBool iDrawHighlight;
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};
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#endif // _CCAROUSELWIDGET_H
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// End of File
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