1/*
2 * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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 RenderMeter_h
22#define RenderMeter_h
23
24#include "core/rendering/RenderBlockFlow.h"
25#include "core/rendering/RenderWidget.h"
26
27namespace blink {
28
29class HTMLMeterElement;
30
31class RenderMeter FINAL : public RenderBlockFlow {
32public:
33    explicit RenderMeter(HTMLElement*);
34    virtual ~RenderMeter();
35
36    HTMLMeterElement* meterElement() const;
37    virtual void updateFromElement() OVERRIDE;
38
39private:
40    virtual void updateLogicalWidth() OVERRIDE;
41    virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const OVERRIDE;
42
43    virtual const char* renderName() const OVERRIDE { return "RenderMeter"; }
44    virtual bool isMeter() const OVERRIDE { return true; }
45
46    double valueRatio() const;
47};
48
49DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderMeter, isMeter());
50
51} // namespace blink
52
53#endif // RenderMeter_h
54