| /* |
| Copyright (C) 2004, 2005 Nikolas Zimmermann <wildfox@kde.org> |
| 2004, 2005 Rob Buis <buis@kde.org> |
| Copyright (C) 2006 Apple Computer, Inc. |
| |
| This file is part of the KDE project |
| |
| 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(SVG) |
| #include "TimeScheduler.h" |
| |
| #include "Document.h" |
| #include "SystemTime.h" |
| #include "SVGTimer.h" |
| |
| namespace WebCore { |
| |
| const double staticTimerInterval = 0.050; // 50 ms |
| |
| TimeScheduler::TimeScheduler(Document* document) |
| : m_creationTime(currentTime()) |
| , m_savedTime(0) |
| , m_document(document) |
| { |
| // Don't start this timer yet. |
| m_intervalTimer = new SVGTimer(this, staticTimerInterval, false); |
| } |
| |
| TimeScheduler::~TimeScheduler() |
| { |
| deleteAllValues(m_timerSet); |
| delete m_intervalTimer; |
| } |
| |
| void TimeScheduler::addTimer(SVGAnimationElement* element, unsigned ms) |
| { |
| #if ENABLE(SVG_ANIMATION) |
| SVGTimer* svgTimer = new SVGTimer(this, ms * 0.001, true); |
| svgTimer->addNotify(element, true); |
| m_timerSet.add(svgTimer); |
| m_intervalTimer->addNotify(element, false); |
| #endif |
| } |
| |
| void TimeScheduler::connectIntervalTimer(SVGAnimationElement* element) |
| { |
| #if ENABLE(SVG_ANIMATION) |
| m_intervalTimer->addNotify(element, true); |
| #endif |
| } |
| |
| void TimeScheduler::disconnectIntervalTimer(SVGAnimationElement* element) |
| { |
| #if ENABLE(SVG_ANIMATION) |
| m_intervalTimer->removeNotify(element); |
| #endif |
| } |
| |
| void TimeScheduler::startAnimations() |
| { |
| #if ENABLE(SVG_ANIMATION) |
| m_creationTime = currentTime(); |
| |
| SVGTimerSet::iterator end = m_timerSet.end(); |
| for (SVGTimerSet::iterator it = m_timerSet.begin(); it != end; ++it) { |
| SVGTimer* svgTimer = *it; |
| if (svgTimer && !svgTimer->isActive()) |
| svgTimer->start(); |
| } |
| #endif |
| } |
| |
| void TimeScheduler::toggleAnimations() |
| { |
| #if ENABLE(SVG_ANIMATION) |
| if (m_intervalTimer->isActive()) { |
| m_intervalTimer->stop(); |
| m_savedTime = currentTime(); |
| } else { |
| if (m_savedTime != 0) { |
| m_creationTime += currentTime() - m_savedTime; |
| m_savedTime = 0; |
| } |
| m_intervalTimer->start(); |
| } |
| #endif |
| } |
| |
| bool TimeScheduler::animationsPaused() const |
| { |
| return !m_intervalTimer->isActive(); |
| } |
| |
| void TimeScheduler::timerFired(Timer<TimeScheduler>* baseTimer) |
| { |
| #if ENABLE(SVG_ANIMATION) |
| // Get the pointer now, because notifyAll could make the document, |
| // including this TimeScheduler, go away. |
| RefPtr<Document> doc = m_document; |
| |
| SVGTimer* timer = SVGTimer::downcast(baseTimer); |
| |
| timer->notifyAll(); |
| |
| // FIXME: Is it really safe to look at m_intervalTimer now? |
| // Isn't it possible the TimeScheduler was deleted already? |
| // If so, timer, m_timerSet, and m_intervalTimer have all |
| // been deleted. May need to reference count the TimeScheduler |
| // to work around this, and ref/deref it in this function. |
| if (timer != m_intervalTimer) { |
| ASSERT(!timer->isActive()); |
| ASSERT(m_timerSet.contains(timer)); |
| m_timerSet.remove(timer); |
| delete timer; |
| |
| // The singleShot timers of ie. <animate> with begin="3s" are notified |
| // by the previous call, and now all connections to the interval timer |
| // are created and now we just need to fire that timer (Niko) |
| if (!m_intervalTimer->isActive()) |
| m_intervalTimer->start(); |
| } |
| |
| // Update any 'dirty' shapes. |
| doc->updateRendering(); |
| #endif |
| } |
| |
| double TimeScheduler::elapsed() const |
| { |
| return currentTime() - m_creationTime; |
| } |
| |
| } // namespace |
| |
| // vim:ts=4:noet |
| #endif // ENABLE(SVG) |