1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
* Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#if ENABLE(PROGRESS_TAG)
#include "RenderProgress.h"
#include "HTMLProgressElement.h"
#include "RenderTheme.h"
using namespace std;
namespace WebCore {
using namespace HTMLNames;
static const int defaultProgressWidth = 120;
static const int defaultProgressHeight = 20;
RenderProgress::RenderProgress(HTMLProgressElement* element)
: RenderBlock(element)
, m_position(-1)
{
setSize(IntSize(defaultProgressWidth, defaultProgressHeight));
setReplaced(true);
}
int RenderProgress::baselinePosition(bool, bool) const
{
return height() + marginTop();
}
void RenderProgress::calcPrefWidths()
{
m_minPrefWidth = 0;
m_maxPrefWidth = 0;
if (style()->width().isFixed() && style()->width().value() > 0)
m_minPrefWidth = m_maxPrefWidth = calcContentBoxWidth(style()->width().value());
else
m_maxPrefWidth = defaultProgressWidth * style()->effectiveZoom();
if (style()->minWidth().isFixed() && style()->minWidth().value() > 0) {
m_maxPrefWidth = max(m_maxPrefWidth, calcContentBoxWidth(style()->minWidth().value()));
m_minPrefWidth = max(m_minPrefWidth, calcContentBoxWidth(style()->minWidth().value()));
} else if (style()->width().isPercent() || (style()->width().isAuto() && style()->height().isPercent()))
m_minPrefWidth = 0;
else
m_minPrefWidth = m_maxPrefWidth;
if (style()->maxWidth().isFixed() && style()->maxWidth().value() != undefinedLength) {
m_maxPrefWidth = min(m_maxPrefWidth, calcContentBoxWidth(style()->maxWidth().value()));
m_minPrefWidth = min(m_minPrefWidth, calcContentBoxWidth(style()->maxWidth().value()));
}
int toAdd = paddingLeft() + paddingRight() + borderLeft() + borderRight();
m_minPrefWidth += toAdd;
m_maxPrefWidth += toAdd;
setPrefWidthsDirty(false);
}
void RenderProgress::layout()
{
ASSERT(needsLayout());
LayoutRepainter repainter(*this, checkForRepaintDuringLayout());
calcWidth();
calcHeight();
m_overflow.clear();
repainter.repaintAfterLayout();
setNeedsLayout(false);
}
void RenderProgress::updateFromElement()
{
HTMLProgressElement* element = static_cast<HTMLProgressElement*>(node());
double position = element->position();
int oldPosition = m_position;
bool canOptimize = theme()->getNumberOfPixelsForProgressPosition(position, m_position);
if (oldPosition == m_position)
return;
IntRect paintRect = contentBoxRect();
if (canOptimize) {
// FIXME: Need to handle indeterminate progress bar and RTL
int adjustedPosition = (m_position >= 0) ? m_position : 0;
int adjustedOldPosition = (oldPosition >= 0) ? oldPosition : 0;
paintRect.setX(std::min(adjustedPosition, adjustedOldPosition));
paintRect.setWidth(std::max(adjustedPosition, adjustedOldPosition) - paintRect.x());
}
repaintRectangle(paintRect);
}
} // namespace WebCore
#endif
|
