diff -r 000000000000 -r e83bab7cf002 mulwidgets/mulcoverflowwidget/inc/mulcoverflowao.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mulwidgets/mulcoverflowwidget/inc/mulcoverflowao.h Thu Dec 17 08:56:02 2009 +0200 @@ -0,0 +1,100 @@ +/* +* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: Active Object header for CoverFlow +* +*/ + +#ifndef __MULCOVERFLOWAO_H__ +#define __MULCOVERFLOWAO_H__ + +#include // For CTimer + +namespace Alf + { +//Forward declarations +class MulCoverFlowControl; + +class MulCoverFlowAo:public CTimer + { + +public : // Constructor and Destructor + /// @bug critical:avanhata:7/7/2008 this is a symbian-dependent class, + /// need to have two-phase construction + /// - otherwise mixing leaves and throws + MulCoverFlowAo( MulCoverFlowControl& aControl ); + + ~MulCoverFlowAo(); + +public: //new method + + /** + * Keeps moving layout asynchronously until it stopmoving() is called . + * The layout will move on to show more items . + * + * @param aSpeedPoint Gesture speed point. + * @param, aCurrGestureDirection, Current direction of gesture + * @param, aFastScrollForKey , if fast scroll due to key event + * @param, aAnimationTime , animation time for fast scroll in key event. + */ + void StartMoving(TReal32 aSpeedPoint, int aCurrGestureDirection,bool aFastScrollForKey = false,int aAnimationTime = 0); + + /** + * Stop moving the layout. + * + */ + void StopMoving(); + + /** + * Transition time for highlight change in fast scroll + * + * @return, transition time to be used + */ + int FastScrollTransitionTime(); + +private: + + /** + * Timer call back funtion . Performs animations and moves the layout + * for a particular distance depending on the length of the swipe + * in a particular time period depending on the speed . + */ + void RunL(); + +private : //new methods + + /** + * Cancel all pending requests. + */ + void StopTimer(); + + /** + * Increment the highlight with +-1 depending on the swipe direction and informs the + * control class to cahnge teh highlight. + */ + void ChangeHighLight(); + +private: //data + + MulCoverFlowControl& mControl; //doesnt own + int mTransitionTime; + int mWaitingTime; + int mCurrGestureDirection; + bool mStarted; + }; //end of class. + + } // End of namespace . + +#endif //__MULCOVERFLOWAO_H__ + +// End of file