1/*
2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library 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 GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 *
19 */
20
21#ifndef RenderSlider_h
22#define RenderSlider_h
23
24#include "core/rendering/RenderFlexibleBox.h"
25
26namespace blink {
27
28class HTMLInputElement;
29class SliderThumbElement;
30
31class RenderSlider FINAL : public RenderFlexibleBox {
32public:
33    static const int defaultTrackLength;
34
35    explicit RenderSlider(HTMLInputElement*);
36    virtual ~RenderSlider();
37
38    bool inDragMode() const;
39
40private:
41    virtual const char* renderName() const OVERRIDE { return "RenderSlider"; }
42    virtual bool isSlider() const OVERRIDE { return true; }
43
44    virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE;
45    virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE;
46    virtual void computePreferredLogicalWidths() OVERRIDE;
47    virtual void layout() OVERRIDE;
48
49    SliderThumbElement* sliderThumbElement() const;
50};
51
52DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSlider, isSlider());
53
54} // namespace blink
55
56#endif // RenderSlider_h
57