1/*
2 * Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 INdT - Instituto Nokia de Tecnologia
4 * Copyright (C) 2009-2010 ProFUSION embedded systems
5 * Copyright (C) 2009-2010 Samsung Electronics
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef ScrollbarEfl_h
30#define ScrollbarEfl_h
31
32#include "Scrollbar.h"
33#include <wtf/PassRefPtr.h>
34
35namespace WebCore {
36
37class ScrollbarEfl : public Scrollbar {
38public:
39    friend class Scrollbar;
40
41    virtual ~ScrollbarEfl();
42
43    virtual void setFrameRect(const IntRect&);
44
45    virtual void show() OVERRIDE;
46    virtual void hide() OVERRIDE;
47
48    virtual bool handleMouseMoveEvent(const PlatformMouseEvent&) { return false; }
49    virtual bool handleMouseOutEvent(const PlatformMouseEvent&) { return false; }
50    virtual bool handleMousePressEvent(const PlatformMouseEvent&) { return false; }
51    virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&) { return false; }
52
53    virtual void frameRectsChanged();
54
55protected:
56    ScrollbarEfl(ScrollableArea*, ScrollbarOrientation, ScrollbarControlSize);
57
58    virtual void updateThumbPositionAndProportion();
59    virtual void updateThumbPosition();
60    virtual void updateThumbProportion();
61
62    virtual void setParent(ScrollView*);
63
64private:
65    int m_lastPos;
66    int m_lastTotalSize;
67    int m_lastVisibleSize;
68};
69
70}
71
72#endif // ScrollbarEfl_h
73