1/*
2 * Copyright (C) 2010 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#include "config.h"
22#if ENABLE(METER_ELEMENT)
23#include "RenderMeter.h"
24
25#include "HTMLMeterElement.h"
26#include "HTMLNames.h"
27#include "RenderTheme.h"
28
29namespace WebCore {
30
31using namespace HTMLNames;
32
33RenderMeter::RenderMeter(HTMLElement& element, PassRef<RenderStyle> style)
34    : RenderBlockFlow(element, WTF::move(style))
35{
36}
37
38RenderMeter::~RenderMeter()
39{
40}
41
42HTMLMeterElement* RenderMeter::meterElement() const
43{
44    ASSERT(element());
45
46    if (isHTMLMeterElement(element()))
47        return toHTMLMeterElement(element());
48
49    ASSERT(element()->shadowHost());
50    return toHTMLMeterElement(element()->shadowHost());
51}
52
53void RenderMeter::updateLogicalWidth()
54{
55    RenderBox::updateLogicalWidth();
56
57    IntSize frameSize = theme().meterSizeForBounds(*this, pixelSnappedIntRect(frameRect()));
58    setLogicalWidth(isHorizontalWritingMode() ? frameSize.width() : frameSize.height());
59}
60
61void RenderMeter::computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues& computedValues) const
62{
63    RenderBox::computeLogicalHeight(logicalHeight, logicalTop, computedValues);
64
65    LayoutRect frame = frameRect();
66    if (isHorizontalWritingMode())
67        frame.setHeight(computedValues.m_extent);
68    else
69        frame.setWidth(computedValues.m_extent);
70    IntSize frameSize = theme().meterSizeForBounds(*this, pixelSnappedIntRect(frame));
71    computedValues.m_extent = isHorizontalWritingMode() ? frameSize.height() : frameSize.width();
72}
73
74void RenderMeter::updateFromElement()
75{
76    repaint();
77}
78
79} // namespace WebCore
80
81#endif
82