--- a/idlehomescreen/inc/xnviewswitcher.h Wed Sep 15 12:00:00 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,283 +0,0 @@
-/*
-* Copyright (c) 2002-2006 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: View switcher.
-*
-*/
-
-#ifndef _XNVIEWSWITCHER_H
-#define _XNVIEWSWITCHER_H
-
-// System includes
-#include <e32base.h>
-#include <akntouchgesturefw.h>
-
-// User includes
-#include "xnviewmanager.h"
-
-class CXnViewControlAdapter;
-
-using namespace AknTouchGestureFw;
-
-// Class declaration
-
-/**
- * This class handles view swithing when "finger follow" feature is used.
- * The windows of current, next and previous views are moved along with the finger.
- * Final view switch animation has been handled here as well.
- *
-* @ingroup group_xnlayoutengine
-* @lib xn3layoutengine.lib
-* @since S60 5.2
-*/
-NONSHARABLE_CLASS( CXnViewSwitcher ) : public CBase
- {
-
- /**
- * Important information of a view to be dragged.
- */
- struct TViewInformation
- {
- CXnControlAdapter* iAdapter;
- CXnViewData* iViewData;
- TBool iReadyToDraw;
- TBool iBgDrawn;
- };
-
- /**
- * States for the view swithcing using "finger follow".
- */
- enum TViewSwitchState
- {
- KViewSwitchIdle,
- KViewSwitchBegin,
- KViewSwitchDragOngoing,
- KViewSwitchScroll
- };
-
-public:
- // Constructors and destructor
-
- /**
- * 2 phase construction.
- */
- static CXnViewSwitcher* NewL();
-
- /**
- * Destructor.
- */
- ~CXnViewSwitcher();
-
- /**
- * Is finger follow feature activated
- */
- TBool FingerFollowSupported() const;
-
- /**
- * Try to handle and consume pointer event
- */
- TBool ProcessPointerEventL( const TPointerEvent& aPointerEvent );
-
- /**
- * Check if flick or some gesture occured during drag
- */
- void TouchGesture( TAknTouchGestureFwType& aTouchGesture );
-
- /**
- * Updates the client rect
- */
- void SizeChanged( TRect aRect );
-
- /**
- * Stop view switch
- */
- void StopViewSwitchL();
-
-private: // constructors
-
- /**
- * C++ default constructor
- */
- CXnViewSwitcher();
-
- /**
- * 2nd phase constructor
- */
- void ConstructL();
-
- /**
- * View scroll timer callback
- */
- static TInt TimerCallback( TAny *aPtr );
-
- /**
- * Gets value of finger follow support from AI repository
- */
- TBool IsFingerFollowSupportedL() const;
-
- /**
- * Adjusts current view position. Used in final animation.
- */
- void Scroll();
-
- /**
- * Moves windows according to the current view position.
- */
- void DoScroll();
-
- /**
- * Start view dragging by setting up view control adapters
- */
- TBool SetupViewsL();
-
- /**
- * Layouts and renders the given view out of sight.
- */
- void PrepareViewL( CXnViewSwitcher::TViewInformation& aView );
-
- /**
- * Removes focused node and sends the up event in order to prevent activate triggers and long tapping.
- */
- void StartViewDraggingL();
-
- /**
- * Stop view dragging and start view scroll
- */
- void StartViewScrolling();
-
- /**
- * View scrolling ended.
- */
- void ViewSwitchEndedL();
-
- /**
- * Get view data
- */
- CXnViewData* ViewData( CXnViewData& aCurrentViewData, TInt aView );
-
- /**
- * Clear view information of current, next and previous views.
- */
- void ClearViews();
-
- /**
- * Sets whether next, current or previous view is to be activeted.
- * Updated also background if needed.
- */
- void UpdateViewToBeActivated( TInt aOffset );
-
- /**
- * Changes background image and runs NGA effect.
- */
- void ChangeBackground( CXnViewData& aCurrent, CXnViewData& aNext );
-
-private: // data
-
- /**
- * AppUi
- */
- CXnAppUiAdapter& iAppUi;
-
- /**
- * Client rect set by UI Engine
- */
- TRect iRect;
-
- /**
- * Whether the feature is supported or not. ETrue when finger follow is supported
- */
- TBool iFingerFollowSupported;
-
- /**
- * Timer for animating view switch.
- * Own.
- */
- CPeriodic* iTimer;
-
- /**
- * Important information of the current view.
- */
- TViewInformation iCurrentView;
-
- /**
- * Important information of the view coming from the right side.
- */
- TViewInformation iNextView;
-
- /**
- * Important information of the view coming from the left side.
- */
- TViewInformation iPreviousView;
-
- /**
- * Flick gesture type.
- */
- //TAknTouchGestureFwType iTouchGesture;
-
- /**
- * The state of view switch.
- */
- TViewSwitchState iViewSwitchState;
-
- /**
- * Scroll speed in pixels.
- */
- TInt iScrollSpeed;
-
- /**
- * Total scroll distance from the beginning in mode KViewSwitchDragOngoing.
- * Remaining distance to be scrolled in mode KViewSwitchScroll.
- */
- TInt iScrollDistance;
-
- /**
- * Measures the scroll distance in current direction. I.e. if direction changes,
- * this is set to 0.
- */
- TInt iScrollDirectionDistance;
-
- /**
- * Position of the current view in the beginning.
- */
- TPoint iViewStartPosition;
-
- /**
- * Position in the beginning.
- */
- TPoint iStartPosition;
-
- /**
- * Current view position from the beginning.
- */
- TPoint iViewPosition;
-
- /**
- * View to be activated.
- */
- TInt iActivateView;
-
- /**
- * Tick amount to be used when calculating drag speed.
- */
- TInt iTickAmount;
-
- /**
- * Scroll direction.
- */
- TInt iDirection;
-
- };
-
-#endif // _XNVIEWSWITCHER_H
-
-// End of File