1 /* 2 * Copyright (C) 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef SMILTimeContainer_h 27 #define SMILTimeContainer_h 28 29 #include "core/dom/QualifiedName.h" 30 #include "core/svg/animation/SMILTime.h" 31 #include "platform/Timer.h" 32 #include "wtf/HashMap.h" 33 #include "wtf/HashSet.h" 34 #include "wtf/PassRefPtr.h" 35 #include "wtf/RefCounted.h" 36 #include "wtf/text/StringHash.h" 37 #include "wtf/text/WTFString.h" 38 39 namespace WebCore { 40 41 class SVGElement; 42 class SVGSMILElement; 43 class SVGSVGElement; 44 45 class SMILTimeContainer : public RefCounted<SMILTimeContainer> { 46 public: create(SVGSVGElement * owner)47 static PassRefPtr<SMILTimeContainer> create(SVGSVGElement* owner) { return adoptRef(new SMILTimeContainer(owner)); } 48 ~SMILTimeContainer(); 49 50 void schedule(SVGSMILElement*, SVGElement*, const QualifiedName&); 51 void unschedule(SVGSMILElement*, SVGElement*, const QualifiedName&); 52 void notifyIntervalsChanged(); 53 54 SMILTime elapsed() const; 55 56 bool isActive() const; 57 bool isPaused() const; 58 bool isStarted() const; 59 60 void begin(); 61 void pause(); 62 void resume(); 63 void setElapsed(SMILTime); 64 setDocumentOrderIndexesDirty()65 void setDocumentOrderIndexesDirty() { m_documentOrderIndexesDirty = true; } 66 67 private: 68 SMILTimeContainer(SVGSVGElement* owner); 69 70 void timerFired(Timer<SMILTimeContainer>*); 71 void startTimer(SMILTime fireTime, SMILTime minimumDelay = 0); 72 void updateAnimations(SMILTime elapsed, bool seekToTime = false); 73 74 void updateDocumentOrderIndexes(); 75 void sortByPriority(Vector<SVGSMILElement*>& smilElements, SMILTime elapsed); lastResumeTime()76 double lastResumeTime() const { return m_resumeTime ? m_resumeTime : m_beginTime; } 77 78 double m_beginTime; 79 double m_pauseTime; 80 double m_resumeTime; 81 double m_accumulatedActiveTime; 82 double m_presetStartTime; 83 84 bool m_documentOrderIndexesDirty; 85 86 Timer<SMILTimeContainer> m_timer; 87 88 typedef pair<SVGElement*, QualifiedName> ElementAttributePair; 89 typedef Vector<SVGSMILElement*> AnimationsVector; 90 typedef HashMap<ElementAttributePair, OwnPtr<AnimationsVector> > GroupedAnimationsMap; 91 GroupedAnimationsMap m_scheduledAnimations; 92 93 SVGSVGElement* m_ownerSVGElement; 94 95 #ifndef NDEBUG 96 bool m_preventScheduledAnimationsChanges; 97 #endif 98 }; 99 } 100 101 #endif // SMILTimeContainer_h 102