--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web_plat/stmgesturefw_api/inc/rt_gestureobserver.h	Tue Feb 02 00:56:45 2010 +0200
@@ -0,0 +1,157 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  RT Gesture helper interface
+*
+*/
+
+#ifndef _RT_GESTUREOBSERVER_H_
+#define _RT_GESTUREOBSERVER_H_
+
+#include <e32std.h>
+
+namespace RT_GestureHelper
+{
+
+/// flag that indicates gesture code is a holding code
+/// clients should use MGestureEvent::IsHolding
+const TInt EFlagHold       = 0x10000000;
+
+enum TGestureCode
+    {
+    // states
+    EGestureStart          = 0x00000001, // gesture just started (user pressed stylus down)
+    EGestureDrag           = 0x00000002, // user moved stylus (may be holding or not holding)
+    EGestureReleased       = 0x00000003, // user lifted stylus while user was holding
+    // gestures
+    EGestureUnknown        = 0x00000005, // gesture was not recognised
+    // these codes are sent when user lifts stylus (if holding not started)
+    EGestureTap            = 0x00000006,
+    EGestureDoubleTap      = 0x00000007, // only if double tap is enabled
+                                         // (via CGestureHelper::SetDoubleTapEnabled or
+                                         // CGestureControl::SetDoubleTapEnabled)
+    EGestureSwipeLeft      = 0x00000008,
+    EGestureSwipeRight     = 0x00000009,
+    EGestureSwipeUp        = 0x0000000A,
+    EGestureSwipeDown      = 0x0000000B,
+
+    EGestureFlick          = 0x0000000C,
+    EGestureLongTap        = 0x0000000D,
+    EGestureDrop           = 0x0000000E,
+
+    // these codes are sent when user initiates holding by keeping stylus in
+    // same place for a longer duration
+    EGestureHoldLeft       = EGestureSwipeLeft  | EFlagHold,
+    EGestureHoldRight      = EGestureSwipeRight | EFlagHold,
+    EGestureHoldUp         = EGestureSwipeUp    | EFlagHold,
+    EGestureHoldDown       = EGestureSwipeDown  | EFlagHold,
+    EGesturePinch
+    };
+
+/**
+ * Point of float accuracy
+ */
+NONSHARABLE_STRUCT( TRealPoint )
+    {
+    inline TRealPoint();
+    inline TRealPoint( const TRealPoint& aPoint );
+    inline TRealPoint( TReal aX, TReal aY );
+    inline TBool operator==( const TRealPoint& aPoint ) const;
+
+    TReal32 iX;
+    TReal32 iY;
+    };
+
+/**
+ * a gesture event
+ */
+
+enum TAxis
+    {
+    EAxisBoth,
+    EAxisHorizontal,
+    EAxisVertical
+    };
+
+
+class TGestureEvent
+{
+public:
+    inline TGestureCode Code( TAxis /*aRelevantAxis*/ ) const { return iCode; };
+    inline TBool IsHolding() const { return iIsHolding; };
+    inline TPoint StartPos() const { return iStartPos; };
+    inline TPoint CurrentPos() const { return iCurrPos; };
+    inline TRealPoint Speed() const { return iSpeed; };
+    inline TRealPoint SpeedPercent ( const TRect& /*aEdges*/ ) const { return iSpeedPercent; };
+    inline TPoint Distance() const { return iDistance; };
+
+    inline void SetCurrentPos(TPoint aPos) { iCurrPos = aPos; };
+    inline void SetStartPos(TPoint aPos) {iStartPos = aPos; };
+    inline void SetCode(TGestureCode aCode) {iCode = aCode; };
+    inline void SetSpeed(TRealPoint aSpeed) { iSpeed = aSpeed; };
+    inline void SetDistance(TPoint aDistance) { iDistance = aDistance; };
+    inline void SetSpeedPercent(TRealPoint aSpeedPercent) { iSpeedPercent = aSpeedPercent; };
+
+    inline void SetIsHolding(TBool aIsHolding) { iIsHolding = aIsHolding; };
+
+private:
+    TGestureCode   iCode;
+    TBool          iIsHolding;
+    TPoint         iStartPos;
+    TPoint         iCurrPos;
+    TRealPoint     iSpeed;
+    TRealPoint     iSpeedPercent;
+    TPoint         iDistance;
+};
+
+
+// ----------------------------------------------------------------------------
+// Default constructor for real point
+// ----------------------------------------------------------------------------
+//
+inline TRealPoint::TRealPoint()
+        : iX( 0 ), iY( 0 )
+    {
+    }
+
+// ----------------------------------------------------------------------------
+// Copy constructor for real point
+// ----------------------------------------------------------------------------
+//
+inline TRealPoint::TRealPoint( const TRealPoint& aPoint )
+        : iX( aPoint.iX ), iY( aPoint.iY )
+    {
+    }
+
+// ----------------------------------------------------------------------------
+// Copy constructor for real point
+// ----------------------------------------------------------------------------
+//
+inline TRealPoint::TRealPoint( TReal aX, TReal aY )
+        : iX( aX ), iY( aY )
+    {
+    }
+
+// ----------------------------------------------------------------------------
+// Default constructor for real point
+// ----------------------------------------------------------------------------
+//
+inline TBool TRealPoint::operator==( const TRealPoint& aPoint ) const
+    {
+    return iX == aPoint.iX && iY == aPoint.iY;
+    }
+
+
+} // namespace RT_GestureHelper
+
+#endif // _RT_GESTUREOBSERVER_H_