--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/akntouchgesturefw/inc/akntouchgesturefwtaprecognizer.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,224 @@
+/*
+* Copyright (c) 2009 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:  Tap touch gesture recognizer.
+*
+*/
+
+#ifndef C_AKNTOUCHGESTUREFWTAPRECOGNIZER_H
+#define C_AKNTOUCHGESTUREFWTAPRECOGNIZER_H
+
+#include "akntouchgesturefwbaserecognizer.h"
+
+namespace AknTouchGestureFw {
+
+/**
+ *  Tap touch gesture recognizer.
+ *
+ *  @lib akntouchgesturefw
+ *  @since S60 v5.2
+ */
+NONSHARABLE_CLASS( CAknTouchGestureFwTapRecognizer )
+    : public CAknTouchGestureFwBaseRecognizer
+    {
+
+public:
+
+    /**
+     * Two-phased constructor.
+     *
+     * @param  aEngine  The gesture recognition engine.
+     */
+    static CAknTouchGestureFwTapRecognizer* NewL(
+            CAknTouchGestureFwRecognitionEngine& aEngine );
+
+    /**
+     * Two-phased constructor.
+     *
+     * @param  aEngine  The gesture recognition engine.
+     */
+    static CAknTouchGestureFwTapRecognizer* NewLC(
+            CAknTouchGestureFwRecognitionEngine& aEngine );
+
+    /**
+     * Destructor.
+     */
+    virtual ~CAknTouchGestureFwTapRecognizer();
+
+public: // From base class CAknTouchGestureFwBaseRecognizer.
+
+    /**
+     * Returns the recognizer gesture group.
+     *
+     * @return @c EAknTouchGestureFwGroupTap
+     */
+    TAknTouchGestureFwGroup GestureGroup() const;
+
+    /**
+     * Cancels the gesture recognition.
+     */
+    void CancelRecognizing();
+
+    /**
+     * Handles single pointer event.
+     *
+     * @param  aPointerData  Pointer event related data.
+     */
+    void HandleSinglePointerEventL( const TPointerEventData& aPointerData );
+
+    /**
+     * Handles multi pointer event.
+     *
+     * @param  aPointerData            Pointer event related data.
+     * @param  aFirstPointerPosition   First pointer position.
+     * @param  aSecondPointerPosition  Second pointer position.
+     */
+    void HandleMultiPointerEventL( const TPointerEventData& aPointerData,
+                                   const TPoint& aFirstPointerPosition,
+                                   const TPoint& aSecondPointerPosition );
+
+private:
+
+    /**
+     * C++ constructor.
+     *
+     * @param  aEngine  The gesture recognition engine.
+     */
+    CAknTouchGestureFwTapRecognizer(
+            CAknTouchGestureFwRecognitionEngine& aEngine );
+
+    /**
+     * Starts tap recognition.
+     *
+     * @param  aStartPoint  Position where pointer was pressed down.
+     * @param  aTimeStamp   Pointer event time stamp.
+     */
+    void StartTapRecognition( const TPoint& aStartPoint,
+                              const TTime& aTimeStamp );
+
+    /**
+     * Continues tap recognition.
+     * This is called on pointer drag events, on which it's checked that
+     * the pointer hasn't moved outside of the tap threshold area.
+     *
+     * @param  aPoint  New position.
+     */
+    void TapRecognize( const TPoint& aPoint );
+
+    /**
+     * Completes tap recognition.
+     * This is called when pointer up event is received, after which
+     * the possible tap gesture can be recognized.
+     * 
+     * @param  aTimeStamp   Pointer event time stamp.
+     */
+    void CompleteTapRecognitionL( const TTime& aTimeStamp );
+
+    /**
+     * Sends a tap gesture event
+     *
+     * @param  aGestureType  Type of tap gesture.
+     * @param  aPointerPos   Tap position.
+     */
+    void SendTapEventL( TAknTouchGestureFwType aGestureType,
+                        const TPoint& aPointerPos );
+
+    /**
+     * Called by long tap timer when the time interval is exceeded.
+     *
+     * @param  aThis  Self pointer.
+     *
+     * @return EFalse
+     */
+    static TInt LongTapCallback( TAny* aThis );
+
+    /**
+     * Handles long tap callback related actions.
+     */
+    void HandleLongTapCallbackL();
+
+    /**
+     * Internal helper method to cancel the tap recognition.
+     *
+     * @param  aResetFirstTapDetection  @c ETrue if double tap not allowed.
+     */
+    void DoCancelTapRecognition( TBool aResetFirstTapDetection );
+
+    /**
+     * Returns the long tap threshold.
+     * Long tap threshold is the amount of time after pointer down event
+     * after which the tap will be recognized as a long tap.
+     *
+     * @return Long tap threshold.
+     */
+    TInt LongTapThreshold() const;
+
+    /**
+     * Returns the tap threshold.
+     * Tap threshold is the maximum distance in pixels that there can be
+     * between the pointer down and pointer up events for a tap gesture.
+     *
+     * @return Tap threshold.
+     */
+    TInt TapThreshold() const;
+
+    /**
+     * Returns the maximum delay that is allowed between the two taps
+     * in double tap gesture.
+     *
+     * @return Double tap maximum duration.
+     */
+    TInt DoubleTapMaximumDuration() const;
+
+private: // data
+
+    /**
+     * Threshold area.
+     */
+    TThresholdArea iThresholdArea;
+
+    /**
+     * Long tap timer.
+     */
+    CPeriodic* iLongTapTimer;
+
+    /**
+     * Boolean flag to indicate if first tap has been detected.
+     */
+    TBool iFirstTapDetected;
+
+    /**
+     * Time of first tap.
+     */
+    TTime iFirstTapTime;
+
+    /**
+     * Position of first tap.
+     */
+    TPoint iFirstTapPos;
+    
+    /**
+     * Intensity value for long tap detection.
+     */  
+    TInt iLongTapIntensity;
+    
+    /**
+     * Boolean flag to indicate if long tap feedback has been started.
+     */  
+    TBool iFeedBackStarted;    
+    
+    };
+
+} // namespace AknTouchGestureFw
+
+#endif // C_AKNTOUCHGESTUREFWTAPRECOGNIZER_H