1/*
2 * Copyright (c) 2008, 2009, Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef ScrollbarThemeChromium_h
32#define ScrollbarThemeChromium_h
33
34#include "ScrollbarThemeComposite.h"
35
36namespace WebCore {
37
38    class PlatformMouseEvent;
39
40    // This class contains the scrollbar code which is shared between Chromium
41    // Windows and Linux.
42    class ScrollbarThemeChromium : public ScrollbarThemeComposite {
43    protected:
44        virtual bool hasButtons(Scrollbar*) { return true; }
45        virtual bool hasThumb(Scrollbar*);
46
47        virtual IntRect backButtonRect(Scrollbar*, ScrollbarPart, bool painting = false);
48        virtual IntRect forwardButtonRect(Scrollbar*, ScrollbarPart, bool painting = false);
49        virtual IntRect trackRect(Scrollbar*, bool painting = false);
50
51        virtual void paintScrollCorner(ScrollView*, GraphicsContext*, const IntRect&);
52
53        virtual void paintTrackBackground(GraphicsContext*, Scrollbar*, const IntRect&);
54        virtual void paintTickmarks(GraphicsContext*, Scrollbar*, const IntRect&);
55
56        virtual IntSize buttonSize(Scrollbar*) = 0;
57    };
58} // namespace WebCore
59
60#endif
61