/*

* Copyright (c) 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:  Gesture helper constant definitions

*

*/

#ifndef _GESTUREDEFS_H_

#define _GESTUREDEFS_H

namespace GestureHelper

{

/// time to hold the stylus in the same position to activate holding

const TInt KHoldDuration = 1000000; // microseconds 

/// time to tap again for the second tap to be a double tap

const TInt KMaxDoubleTapDuration = 400000; // microseconds 

/// time in which speed becomes zero if user stops stylus movement before

/// lifting the pointer

const TInt KSpeedStopTime = 100000; // microseconds

/// tolerance in degrees to either side of an angle, for direction to be the 

/// same as reference angle

const TReal KAngleTolerance = 25;

/// Nth pointer event before the latest point

const TInt KPreviousPointOffset = 3;

/// Tolerance for ignoring small movements, percent of longer screen edge

const TInt KGestureTolerancePercent = 4; // of 100

/// Tolerance for considering it as pinch gesture for the first time

const TInt KInitialPinchTolerance = 20; // Pixels

/// Tolerance for considering it as pinch gesture after a pinch is detected

const TInt KPinchTolerance = 5; // Pixels

/** 

 * Panic codes 

 */

enum TGesturePanic

    {

    EGesturePanicIllegalLogic

    };  

/** Panics the thread */

inline void Panic( TGesturePanic aReason )

    {

     _LIT( KComponentName, "GestureHelper" );

    User::Panic( KComponentName, aReason );

    }

} // namespace GestureHelper

#endif // _GESTUREDEFS_H