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#include "RenderProgress.h"
23
24#include "HTMLProgressElement.h"
25#include "RenderTheme.h"
26#include <wtf/IsoMallocInlines.h>
27#include <wtf/RefPtr.h>
28
29namespace WebCore {
30
31WTF_MAKE_ISO_ALLOCATED_IMPL(RenderProgress);
32
33RenderProgress::RenderProgress(HTMLElement& element, RenderStyle&& style)
34 : RenderBlockFlow(element, WTFMove(style))
35 , m_position(HTMLProgressElement::InvalidPosition)
36 , m_animationTimer(*this, &RenderProgress::animationTimerFired)
37{
38}
39
40RenderProgress::~RenderProgress() = default;
41
42void RenderProgress::updateFromElement()
43{
44 HTMLProgressElement* element = progressElement();
45 if (m_position == element->position())
46 return;
47 m_position = element->position();
48
49 updateAnimationState();
50 repaint();
51 RenderBlockFlow::updateFromElement();
52}
53
54RenderBox::LogicalExtentComputedValues RenderProgress::computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop) const
55{
56 auto computedValues = RenderBox::computeLogicalHeight(logicalHeight, logicalTop);
57 LayoutRect frame = frameRect();
58 if (isHorizontalWritingMode())
59 frame.setHeight(computedValues.m_extent);
60 else
61 frame.setWidth(computedValues.m_extent);
62 IntSize frameSize = theme().progressBarRectForBounds(*this, snappedIntRect(frame)).size();
63 computedValues.m_extent = isHorizontalWritingMode() ? frameSize.height() : frameSize.width();
64 return computedValues;
65}
66
67double RenderProgress::animationProgress() const
68{
69 return m_animating ? (fmod((MonotonicTime::now() - m_animationStartTime).seconds(), m_animationDuration.seconds()) / m_animationDuration.seconds()) : 0;
70}
71
72bool RenderProgress::isDeterminate() const
73{
74 return (HTMLProgressElement::IndeterminatePosition != position()
75 && HTMLProgressElement::InvalidPosition != position());
76}
77
78void RenderProgress::animationTimerFired()
79{
80 repaint();
81 if (!m_animationTimer.isActive() && m_animating)
82 m_animationTimer.startOneShot(m_animationRepeatInterval);
83}
84
85void RenderProgress::updateAnimationState()
86{
87 m_animationDuration = theme().animationDurationForProgressBar(*this);
88 m_animationRepeatInterval = theme().animationRepeatIntervalForProgressBar(*this);
89
90 bool animating = style().hasAppearance() && m_animationDuration > 0_s;
91 if (animating == m_animating)
92 return;
93
94 m_animating = animating;
95 if (m_animating) {
96 m_animationStartTime = MonotonicTime::now();
97 m_animationTimer.startOneShot(m_animationRepeatInterval);
98 } else
99 m_animationTimer.stop();
100}
101
102HTMLProgressElement* RenderProgress::progressElement() const
103{
104 if (!element())
105 return nullptr;
106
107 if (is<HTMLProgressElement>(*element()))
108 return downcast<HTMLProgressElement>(element());
109
110 ASSERT(element()->shadowHost());
111 return downcast<HTMLProgressElement>(element()->shadowHost());
112}
113
114} // namespace WebCore
115
116