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-rw-r--r--Source/WebCore/rendering/RenderProgress.cpp149
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diff --git a/Source/WebCore/rendering/RenderProgress.cpp b/Source/WebCore/rendering/RenderProgress.cpp
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+/*
+ * Copyright (C) 2010 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 "HTMLNames.h"
+#include "HTMLProgressElement.h"
+#include "RenderTheme.h"
+#include "ShadowElement.h"
+#include <wtf/CurrentTime.h>
+#include <wtf/RefPtr.h>
+
+using namespace std;
+
+namespace WebCore {
+
+RenderProgress::RenderProgress(HTMLProgressElement* element)
+ : RenderIndicator(element)
+ , m_position(-1)
+ , m_animationStartTime(0)
+ , m_animationRepeatInterval(0)
+ , m_animationDuration(0)
+ , m_animating(false)
+ , m_animationTimer(this, &RenderProgress::animationTimerFired)
+{
+}
+
+RenderProgress::~RenderProgress()
+{
+ if (m_valuePart)
+ m_valuePart->detach();
+}
+
+void RenderProgress::updateFromElement()
+{
+ if (!m_valuePart) {
+ m_valuePart = ShadowBlockElement::createForPart(static_cast<HTMLElement*>(node()), PROGRESS_BAR_VALUE);
+ if (m_valuePart->renderer())
+ addChild(m_valuePart->renderer());
+ }
+
+ if (shouldHaveParts())
+ style()->setAppearance(NoControlPart);
+ else if (m_valuePart->renderer())
+ m_valuePart->renderer()->style()->setVisibility(HIDDEN);
+
+ HTMLProgressElement* element = progressElement();
+ if (m_position == element->position())
+ return;
+ m_position = element->position();
+
+ updateAnimationState();
+ RenderIndicator::updateFromElement();
+}
+
+double RenderProgress::animationProgress() const
+{
+ return m_animating ? (fmod((currentTime() - m_animationStartTime), m_animationDuration) / m_animationDuration) : 0;
+}
+
+bool RenderProgress::isDeterminate() const
+{
+ return 0 <= position();
+}
+
+void RenderProgress::animationTimerFired(Timer<RenderProgress>*)
+{
+ repaint();
+}
+
+void RenderProgress::paint(PaintInfo& paintInfo, int tx, int ty)
+{
+ if (paintInfo.phase == PaintPhaseBlockBackground) {
+ if (!m_animationTimer.isActive() && m_animating)
+ m_animationTimer.startOneShot(m_animationRepeatInterval);
+ }
+
+ RenderIndicator::paint(paintInfo, tx, ty);
+}
+
+void RenderProgress::layoutParts()
+{
+ m_valuePart->layoutAsPart(valuePartRect());
+ updateAnimationState();
+}
+
+bool RenderProgress::shouldHaveParts() const
+{
+ if (!style()->hasAppearance())
+ return true;
+ if (ShadowBlockElement::partShouldHaveStyle(this, PROGRESS_BAR_VALUE))
+ return true;
+ return false;
+}
+
+void RenderProgress::updateAnimationState()
+{
+ m_animationDuration = theme()->animationDurationForProgressBar(this);
+ m_animationRepeatInterval = theme()->animationRepeatIntervalForProgressBar(this);
+
+ bool animating = style()->hasAppearance() && m_animationDuration > 0;
+ if (animating == m_animating)
+ return;
+
+ m_animating = animating;
+ if (m_animating) {
+ m_animationStartTime = currentTime();
+ m_animationTimer.startOneShot(m_animationRepeatInterval);
+ } else
+ m_animationTimer.stop();
+}
+
+IntRect RenderProgress::valuePartRect() const
+{
+ IntRect rect(borderLeft() + paddingLeft(), borderTop() + paddingTop(), lround((width() - borderLeft() - paddingLeft() - borderRight() - paddingRight()) * position()), height() - borderTop() - paddingTop() - borderBottom() - paddingBottom());
+ if (!style()->isLeftToRightDirection())
+ rect.setX(width() - borderRight() - paddingRight() - rect.width());
+ return rect;
+}
+
+HTMLProgressElement* RenderProgress::progressElement() const
+{
+ return static_cast<HTMLProgressElement*>(node());
+}
+
+} // namespace WebCore
+
+#endif