1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 *

     5 * This program is free software: you can redistribute it and/or modify

     6 * it under the terms of the GNU Lesser General Public License as published by

     7 * the Free Software Foundation, version 2.1 of the License.

     8 *

     9 * This program is distributed in the hope that it will be useful,

    10 * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12 * GNU Lesser General Public License for more details.

    13 *

    14 * You should have received a copy of the GNU Lesser General Public License

    15 * along with this program.  If not,

    16 * see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

    17 *

    18 * Description:

    19 *

    20 */

    21 

    22 /*

    23  W A R N I N G

    24  -------------

    25  THIS IS A TEMPORARY GESTURE CODE. WOULD BE REPLACED WHEN BROWSER HAS ITS OWN GESTURE FRAMEWORK

    26  */

    27 

    28 #ifndef GestureRecognizer_h

    29 #define GestureRecognizer_h

    30 

    31 #include "GestureEvent.h"

    32 

    33 class QGraphicsSceneMouseEvent;

    34 

    35 namespace GVA {

    36 

    37 class GestureListener;

    38 class GestureRecognizerPrivate;

    39 

    40 class GestureRecognizer : public QObject {

    41     Q_OBJECT

    42     Q_PROPERTY(qreal dragInertia READ dragInertia WRITE setDragInertia)

    43     Q_PROPERTY(int directionErrorMargin READ directionErrorMargin WRITE setDirectionErrorMargin)

    44     Q_PROPERTY(qreal axisLockThreshold READ axisLockThreshold WRITE setAxisLockThreshold)

    45     Q_PROPERTY(qreal maximumVelocity READ maximumVelocity WRITE setMaximumVelocity)

    46     Q_PROPERTY(qreal minimumVelocity READ minimumVelocity WRITE setMinimumVelocity)

    47     Q_PROPERTY(qreal panningThreshold READ panningThreshold WRITE setPanningThreshold)

    48     Q_PROPERTY(qreal fastVelocityFactor READ fastVelocityFactor WRITE setFastVelocityFactor)

    49     Q_PROPERTY(qreal scrollsPerSecond READ scrollsPerSecond WRITE setScrollsPerSecond)

    50 

    51 public:

    52     GestureRecognizer(GestureListener*);

    53     ~GestureRecognizer();

    54 

    55     bool mouseEventFilter(QGraphicsSceneMouseEvent *);

    56 

    57     qreal dragInertia() const;

    58     void setDragInertia(qreal inertia);

    59 

    60     int directionErrorMargin() const;

    61     void setDirectionErrorMargin(int errorMargin);

    62 

    63     qreal axisLockThreshold() const;

    64     void setAxisLockThreshold(qreal threshold);

    65 

    66     qreal maximumVelocity() const;

    67     void setMaximumVelocity(qreal v);

    68 

    69     qreal minimumVelocity() const;

    70     void setMinimumVelocity(qreal v);

    71 

    72     int panningThreshold() const;

    73     void setPanningThreshold(int threshold);

    74 

    75     qreal fastVelocityFactor() const;

    76     void setFastVelocityFactor(qreal f);

    77 

    78     int scrollsPerSecond() const;

    79     void setScrollsPerSecond(int sps);

    80 

    81     QScopedPointer<GestureRecognizerPrivate> d_ptr;

    82 

    83 private:

    84     Q_DECLARE_PRIVATE(GestureRecognizer)

    85 };

    86 

    87 } //namespace GVA

    88 #endif //GestureRecognizer_h