diff -r b8fae6b8a148 -r d05a55b217df idlehomescreen/xmluirendering/uiengine/inc/xngesturehelper.h --- a/idlehomescreen/xmluirendering/uiengine/inc/xngesturehelper.h Wed Mar 31 21:17:19 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,178 +0,0 @@ -/* -* Copyright (c) 2007 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: Gesture helper implementation -* -*/ - - -#ifndef _XNGESTUREHELPER_H_ -#define _XNGESTUREHELPER_H_ - -// System includes -#include - -// User includes -#include "xngesturerecogniser.h" - -// Forward declarations -class CXnNode; -struct TPointerEvent; - -/** - * XnGestureHelper namespace - * Used for the whole gesture family - Gesture recognizer, gesture helper, - * Point array - */ -namespace XnGestureHelper - { - - // Forward declarations - class CHoldingTimer; - class CXnGesture; - - // Constants - const TInt KGestureMinSpeed = 25; - const TInt KGestureMinLength = 100; - - /** - * Implementation of CGestureHelper interface - * - * @ingroup group_xnlayoutengine - */ - NONSHARABLE_CLASS( CXnGestureHelper ) : public CBase - { - - /** private implementation class */ - friend class CHoldingTimer; - - public: - - /** 2-phase constructor */ - static CXnGestureHelper* NewL( CXnNode& aNode ); - - /** Destructor */ - ~CXnGestureHelper(); - - /** - * See GestureHelper, SetHoldingEnabled function - * - * @see CGestureHelper::SetHoldingEnabled - */ - void SetHoldingEnabled( TBool aEnabled ); - - /** - * See Gesturehelper, IsHoldingEnabled function - * - * @see CGestureHelper::IsHoldingEnabled - */ - TBool IsHoldingEnabled() const; - - /** - * Gets the owner - * - * @return Owner - */ - CXnNode* Owner() const; - - /** - * Sets destination - * - * @aParam Destination - */ - void SetDestination( CXnNode* aDestination ); - - /** - * Gets destination - * - * @return Destination - */ - CXnNode* Destination() const; - - /** - * See GestureHelper Handlepointervent - * - * @see CGestureHelper::HandlePointerEventL - */ - TXnGestureCode HandlePointerEventL( const TPointerEvent& aEvent ); - - /** Reset helper state */ - void Reset(); - - private: - - /** Constructor */ - CXnGestureHelper( CXnNode& aNode ); - - /** - * Returns if the helper is processing - * - * @return ETrue if the helper has not started processing a gesture - */ - inline TBool IsIdle() const; - - /** - * Add a point to the sequence of points that make up the gesture - */ - inline void AddPointL( const TPointerEvent& aEvent ); - - /** - * Add a point to the sequence of points that make up the gesture - * - * @return - */ - inline TInt AddPoint( const TPointerEvent& aEvent ); - - /** - * Activates holding and notifies observer that holding has been - * started - */ - void StartHoldingL(); - - /** - * Check if swipe if between defined values - * - * @return Swiping left/right/none - */ - TXnGestureCode ValidSwipe() const; - - private: - - /** - * Gesture owner, Not owned. - */ - CXnNode& iOwner; - - /** - * Gesture is the logical representation of a sequence of points - * arriving at certain times - */ - CXnGesture* iGesture; - - /** - * holding is activated when user keeps pointer down in the same place - * for a longer period. the holding timer activates off when enough - * time has passed. - */ - CHoldingTimer* iHoldingTimer; - - /** - * Gesture destination, Not owned. - */ - CXnNode* iDestination; - - TXnGestureCode iDirection; - }; - } // GestureHelper - -#endif // _XNGESTUREHELPER_H_