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 #if ENABLE(SVG) 30 31 #include "PlatformString.h" 32 #include "SMILTime.h" 33 #include "StringHash.h" 34 #include "Timer.h" 35 #include <wtf/HashSet.h> 36 #include <wtf/PassRefPtr.h> 37 #include <wtf/RefCounted.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 49 void schedule(SVGSMILElement*); 50 void unschedule(SVGSMILElement*); 51 52 SMILTime elapsed() const; 53 54 bool isActive() const; 55 bool isPaused() const; 56 57 void begin(); 58 void pause(); 59 void resume(); 60 setDocumentOrderIndexesDirty()61 void setDocumentOrderIndexesDirty() { m_documentOrderIndexesDirty = true; } 62 63 private: 64 SMILTimeContainer(SVGSVGElement* owner); 65 66 void timerFired(Timer<SMILTimeContainer>*); 67 void startTimer(SMILTime fireTime, SMILTime minimumDelay = 0); 68 void updateAnimations(SMILTime elapsed); 69 70 void updateDocumentOrderIndexes(); 71 void sortByPriority(Vector<SVGSMILElement*>& smilElements, SMILTime elapsed); 72 73 typedef pair<SVGElement*, String> ElementAttributePair; 74 String baseValueFor(ElementAttributePair); 75 76 double m_beginTime; 77 double m_pauseTime; 78 double m_accumulatedPauseTime; 79 80 bool m_documentOrderIndexesDirty; 81 82 Timer<SMILTimeContainer> m_timer; 83 84 typedef HashSet<SVGSMILElement*> TimingElementSet; 85 TimingElementSet m_scheduledAnimations; 86 87 typedef HashMap<ElementAttributePair, String> BaseValueMap; 88 BaseValueMap m_savedBaseValues; 89 90 SVGSVGElement* m_ownerSVGElement; 91 }; 92 } 93 94 #endif 95 #endif 96