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 | #pragma once |
27 | |
28 | #include "QualifiedName.h" |
29 | #include "SMILTime.h" |
30 | #include "Timer.h" |
31 | #include <wtf/HashMap.h> |
32 | #include <wtf/RefCounted.h> |
33 | #include <wtf/text/StringHash.h> |
34 | #include <wtf/text/WTFString.h> |
35 | |
36 | namespace WebCore { |
37 | |
38 | class SVGElement; |
39 | class SVGSMILElement; |
40 | class SVGSVGElement; |
41 | |
42 | class SMILTimeContainer final : public RefCounted<SMILTimeContainer> { |
43 | public: |
44 | static Ref<SMILTimeContainer> create(SVGSVGElement& owner) { return adoptRef(*new SMILTimeContainer(owner)); } |
45 | ~SMILTimeContainer(); |
46 | |
47 | void schedule(SVGSMILElement*, SVGElement*, const QualifiedName&); |
48 | void unschedule(SVGSMILElement*, SVGElement*, const QualifiedName&); |
49 | void notifyIntervalsChanged(); |
50 | |
51 | WEBCORE_EXPORT Seconds animationFrameDelay() const; |
52 | |
53 | SMILTime elapsed() const; |
54 | |
55 | bool isActive() const; |
56 | bool isPaused() const; |
57 | bool isStarted() const; |
58 | |
59 | void begin(); |
60 | void pause(); |
61 | void resume(); |
62 | void setElapsed(SMILTime); |
63 | |
64 | void setDocumentOrderIndexesDirty() { m_documentOrderIndexesDirty = true; } |
65 | |
66 | private: |
67 | SMILTimeContainer(SVGSVGElement& owner); |
68 | |
69 | void timerFired(); |
70 | void startTimer(SMILTime elapsed, SMILTime fireTime, SMILTime minimumDelay = 0); |
71 | void updateAnimations(SMILTime elapsed, bool seekToTime = false); |
72 | |
73 | void updateDocumentOrderIndexes(); |
74 | void sortByPriority(Vector<SVGSMILElement*>& smilElements, SMILTime elapsed); |
75 | |
76 | MonotonicTime m_beginTime; |
77 | MonotonicTime m_pauseTime; |
78 | Seconds m_accumulatedActiveTime { 0_s }; |
79 | MonotonicTime m_resumeTime; |
80 | Seconds m_presetStartTime { 0_s }; |
81 | |
82 | bool m_documentOrderIndexesDirty { false }; |
83 | |
84 | Timer m_timer; |
85 | |
86 | typedef std::pair<SVGElement*, QualifiedName> ElementAttributePair; |
87 | typedef Vector<SVGSMILElement*> AnimationsVector; |
88 | typedef HashMap<ElementAttributePair, std::unique_ptr<AnimationsVector>> GroupedAnimationsMap; |
89 | GroupedAnimationsMap m_scheduledAnimations; |
90 | |
91 | SVGSVGElement& m_ownerSVGElement; |
92 | |
93 | #ifndef NDEBUG |
94 | bool m_preventScheduledAnimationsChanges { false }; |
95 | #endif |
96 | }; |
97 | |
98 | } // namespace WebCore |
99 | |