--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ginebra2/Kinetics/KineticScroller.h	Fri Aug 06 17:23:08 2010 -0400
@@ -0,0 +1,107 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Lesser General Public License as published by
+* the Free Software Foundation, version 2.1 of the License.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License
+* along with this program.  If not,
+* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
+*
+* Description:
+*
+*/
+
+#ifndef KineticScroller_h
+#define KineticScroller_h
+
+#include "KineticScrollable.h"
+
+#include <QObject>
+
+namespace GVA {
+
+class KineticScroller : public QObject {
+    Q_OBJECT
+
+public :
+    enum OvershootPolicy {
+        OvershootWhenScrollable,
+        OvershootAlwaysOff,
+        OvershootAlwaysOn,
+    };
+
+    enum Mode {
+        AutoMode,
+        PushMode
+    };
+
+    enum {
+        MotionEventsPerSecond =  25
+    };
+
+    KineticScroller(KineticScrollable* scrollableView);
+    ~KineticScroller();
+
+    OvershootPolicy overshootPolicy() const;
+    void setOvershootPolicy(OvershootPolicy policy);
+
+    qreal decelerationFactor() const;
+    void setDecelerationFactor(qreal f);
+
+    int scrollsPerSecond() const;
+    void setScrollsPerSecond(int sps);
+
+    void reset();
+    void doPan(QPoint delta);
+    void doFlick(QPointF velocity);
+    void stop();
+
+protected:
+    void changeState(KineticScrollable::State newState);
+    void setScrollPositionHelper(const QPoint& point);
+
+    void handleScrollTimer();
+    void handleIdleTimer();
+    void timerEvent(QTimerEvent* ev);
+
+private:
+    KineticScrollable* m_scrollableView;
+
+    Mode m_mode;
+    KineticScrollable::State m_state;
+
+    QPoint m_motion;
+    bool m_move;
+
+    // overshoot
+    OvershootPolicy m_overshootPolicy;
+    int m_bounceSteps;
+    QPoint m_maxOvershoot;
+    int m_vmaxOvershoot;
+    QPoint m_overshootDist;
+    int m_overshooting; // the overshooting time in idleTimer steps
+
+    // velocity
+    QPointF m_velocity;
+    qreal m_minVelocity;
+    qreal m_maxVelocity;
+    qreal m_deceleration;
+    int m_scrollsPerSecond;
+
+    // timer
+    int m_idleTimerId;
+    int m_scrollTimerId;
+    int m_inactivityTimerId;
+};//KineticScroller
+
+}//namespace GVA
+
+#endif //KineticScroller_h