summaryrefslogtreecommitdiffstats
path: root/WebCore/rendering/RenderProgress.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'WebCore/rendering/RenderProgress.cpp')
-rw-r--r--WebCore/rendering/RenderProgress.cpp120
1 files changed, 120 insertions, 0 deletions
diff --git a/WebCore/rendering/RenderProgress.cpp b/WebCore/rendering/RenderProgress.cpp
new file mode 100644
index 0000000..a9dbfe8
--- /dev/null
+++ b/WebCore/rendering/RenderProgress.cpp
@@ -0,0 +1,120 @@
+/*
+ * 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 "HTMLProgressElement.h"
+#include "RenderTheme.h"
+#include <wtf/CurrentTime.h>
+
+using namespace std;
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+RenderProgress::RenderProgress(HTMLProgressElement* element)
+ : RenderBlock(element)
+ , m_position(-1)
+ , m_animationStartTime(0)
+ , m_animationRepeatInterval(0)
+ , m_animationDuration(0)
+ , m_animating(false)
+ , m_animationTimer(this, &RenderProgress::animationTimerFired)
+{
+}
+
+void RenderProgress::layout()
+{
+ ASSERT(needsLayout());
+
+ LayoutRepainter repainter(*this, checkForRepaintDuringLayout());
+
+ calcWidth();
+ calcHeight();
+
+ m_overflow.clear();
+
+ updateAnimationState();
+
+ repainter.repaintAfterLayout();
+
+ setNeedsLayout(false);
+}
+
+void RenderProgress::updateFromElement()
+{
+ HTMLProgressElement* element = progressElement();
+ if (m_position == element->position())
+ return;
+ m_position = element->position();
+
+ updateAnimationState();
+
+ repaint();
+}
+
+double RenderProgress::animationProgress()
+{
+ return m_animating ? (fmod((currentTime() - m_animationStartTime), m_animationDuration) / m_animationDuration) : 0;
+}
+
+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);
+ }
+
+ RenderBlock::paint(paintInfo, tx, ty);
+}
+
+void RenderProgress::updateAnimationState()
+{
+ m_animationDuration = theme()->animationDurationForProgressBar(this);
+ m_animationRepeatInterval = theme()->animationRepeatIntervalForProgressBar(this);
+
+ bool animating = 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();
+}
+
+HTMLProgressElement* RenderProgress::progressElement() const
+{
+ return static_cast<HTMLProgressElement*>(node());
+}
+
+} // namespace WebCore
+#endif