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Diffstat (limited to 'Source/WebCore/rendering/RenderProgress.cpp')
-rw-r--r-- | Source/WebCore/rendering/RenderProgress.cpp | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/RenderProgress.cpp b/Source/WebCore/rendering/RenderProgress.cpp new file mode 100644 index 0000000..84de6fb --- /dev/null +++ b/Source/WebCore/rendering/RenderProgress.cpp @@ -0,0 +1,149 @@ +/* + * 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 |