akntouchgesturefw/inc/akntouchgesturefwdefs.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 11 May 2010 16:27:42 +0300
branchRCL_3
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Revision: 201017 Kit: 201019
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/*
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* Copyright (c) 2009 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:  Touch gesture framework constant definitions.
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*
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*/
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#ifndef AKNTOUCHGESTUREFWDEFS_H
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#define AKNTOUCHGESTUREFWDEFS_H
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#include <e32std.h>
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namespace AknTouchGestureFw
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{
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/// UID for testing features enabling
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const TUint KAknTouchGestureFwTestingFeature( 0x20026806 );
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/// Default threshold value for Long Tap (in microseconds).
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const TInt KDefaultLongTapThreshold = 800000;
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/// Default value for Long Tap initial delay (in microseconds).
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const TInt KDefaultLongTapInitialDelay = 200000;
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/// Default value for maximum long tap intensity.
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const TInt KDefaultMaxLongTapIntensity = 100;
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/// Default value for maximum long tap intensity steps.
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const TInt KDefaultMaxLongTapIntensitySteps = 6;
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/// Maximum time duration between two taps to recognize
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/// a double tap (in microseconds).
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const TInt KDefaultMaxDoubleTapDuration = 400000;
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/// Pixel threshold value used for deciding if pointer movement is a tap.
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/// This value should be less than KDragThreshold.
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const TInt KTapThreshold = 20;
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/// Pixel threshold value used for deciding if pointer has been dragged.
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const TInt KDefaultDragThreshold = 40;
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/// Initial threshold for pinch. This is used when both pointers are 
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/// just set down.
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const TInt KDefaultPinchInitialThreshold = 20;
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/// Movement threshold for pinch. This is used after initial threshold
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/// has been exceeded.
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const TInt KDefaultPinchMovementThreshold = 10;
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/// Direction change sensitivity for pinch.
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const TInt KDefaultPinchDirectionChangeSensitivity = 2;
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/// Direction reset sensitivity for pinch.
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const TInt KDefaultPinchDirectionResetSensitivity = 3;
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/// If height or width is below this value, then that dimension
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/// is ignored.
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const TInt KDefaultPinchDimensionThreshold = 20;
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/// Maximum confirmation duration for pinch.
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const TInt KDefaultPinchMaximumConfirmationDuration = 250000;
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/// Flick speed threshold value (in pixels per sec).
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const TInt KDefaultFlickSpeedThreshold = 100;
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/// Flick detection time (in microseconds).
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const TInt KDefaultFlickDetectionTime = 500000;
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/// Direction change sensitivity.
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const TInt KDefaultDirectionChangeSensitivity = 2;
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/// Max number of points stored to array.
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const TInt KMaxBufferLength = 100;
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/// One second in microseconds.
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const TInt KMicroSecondsInSecond = 1000000;
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/// One millisecond in microseconds.
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const TInt KMicroSecondsInMilliSecond = 1000;
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/// Value used to indicate invalid pointer number.
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const TInt KInvalidPointerNumber = -1;
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/// Epsilon values that satisfy formula Abs(x) < KEpsilon are considered
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/// to be zero.
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const TReal KEpsilon = 0.00001f;
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/// Value used to represent all gesture types in gesture group
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const TUint32 KAknTouchGestureFwAllGestureTypes = 0x7fffffff;
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/// Default feedback intensity.
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const TInt KAknTouchGestureFwFeedbackIntensity = 100;
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/// Pinch feedback timeout (in microseconds).
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const TInt KAknTouchGestureFwPinchFeedbackTimeout = 200000;
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/// Drag feedback timeout (in microseconds).
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const TInt KAknTouchGestureFwDragFeedbackTimeout = 200000;
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} // namespace AknTouchGestureFw
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#endif // AKNTOUCHGESTUREFWDEFS_H