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1 /* | |
2 * Copyright (C) 2011 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 COMPUTER, 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 COMPUTER, 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 MediaController_h | |
27 #define MediaController_h | |
28 | |
29 #include "core/events/EventTarget.h" | |
30 #include "core/html/HTMLMediaElement.h" | |
31 #include "wtf/LinkedHashSet.h" | |
32 #include "wtf/PassRefPtr.h" | |
33 #include "wtf/RefCounted.h" | |
34 | |
35 namespace blink { | |
36 | |
37 class Clock; | |
38 class ExceptionState; | |
39 class ExecutionContext; | |
40 class GenericEventQueue; | |
41 | |
42 class MediaController final : public RefCountedGarbageCollectedEventTargetWithIn
lineData<MediaController> { | |
43 DEFINE_WRAPPERTYPEINFO(); | |
44 REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(MediaController); | |
45 public: | |
46 static MediaController* create(ExecutionContext*); | |
47 ~MediaController() override; | |
48 | |
49 void addMediaElement(HTMLMediaElement*); | |
50 void removeMediaElement(HTMLMediaElement*); | |
51 | |
52 TimeRanges* buffered() const; | |
53 TimeRanges* seekable() const; | |
54 TimeRanges* played(); | |
55 | |
56 double duration() const; | |
57 double currentTime() const; | |
58 void setCurrentTime(double); | |
59 | |
60 bool paused() const { return m_paused; } | |
61 void play(); | |
62 void pause(); | |
63 void unpause(); | |
64 | |
65 double defaultPlaybackRate() const { return m_defaultPlaybackRate; } | |
66 void setDefaultPlaybackRate(double); | |
67 | |
68 double playbackRate() const; | |
69 void setPlaybackRate(double); | |
70 | |
71 double volume() const { return m_volume; } | |
72 void setVolume(double, ExceptionState&); | |
73 | |
74 bool muted() const { return m_muted; } | |
75 void setMuted(bool); | |
76 | |
77 typedef HTMLMediaElement::ReadyState ReadyState; | |
78 ReadyState readyState() const { return m_readyState; } | |
79 | |
80 enum PlaybackState { WAITING, PLAYING, ENDED }; | |
81 const AtomicString& playbackState() const; | |
82 | |
83 bool isRestrained() const; | |
84 bool isBlocked() const; | |
85 | |
86 #if !ENABLE(OILPAN) | |
87 void clearExecutionContext() { m_executionContext = nullptr; } | |
88 #endif | |
89 | |
90 DECLARE_VIRTUAL_TRACE(); | |
91 | |
92 private: | |
93 MediaController(ExecutionContext*); | |
94 void reportControllerState(); | |
95 void updateReadyState(); | |
96 void updatePlaybackState(); | |
97 void updateMediaElements(); | |
98 void bringElementUpToSpeed(HTMLMediaElement*); | |
99 void scheduleEvent(const AtomicString& eventName); | |
100 void clearPositionTimerFired(Timer<MediaController>*); | |
101 bool hasEnded() const; | |
102 void scheduleTimeupdateEvent(); | |
103 void timeupdateTimerFired(Timer<MediaController>*); | |
104 void startTimeupdateTimer(); | |
105 | |
106 // EventTarget | |
107 const AtomicString& interfaceName() const override; | |
108 ExecutionContext* executionContext() const override { return m_executionCont
ext; } | |
109 | |
110 friend class HTMLMediaElement; | |
111 friend class MediaControllerEventListener; | |
112 // FIXME: A MediaController should ideally keep an otherwise | |
113 // unreferenced slaved media element alive. When Oilpan is | |
114 // enabled by default, consider making the hash set references | |
115 // strong to accomplish that. crbug.com/383072 | |
116 typedef WillBeHeapLinkedHashSet<RawPtrWillBeWeakMember<HTMLMediaElement>> Me
diaElementSequence; | |
117 MediaElementSequence m_mediaElements; | |
118 bool m_paused; | |
119 double m_defaultPlaybackRate; | |
120 double m_volume; | |
121 mutable double m_position; | |
122 bool m_muted; | |
123 ReadyState m_readyState; | |
124 PlaybackState m_playbackState; | |
125 OwnPtrWillBeMember<GenericEventQueue> m_pendingEventsQueue; | |
126 mutable Timer<MediaController> m_clearPositionTimer; | |
127 OwnPtr<Clock> m_clock; | |
128 RawPtrWillBeWeakMember<ExecutionContext> m_executionContext; | |
129 Timer<MediaController> m_timeupdateTimer; | |
130 double m_previousTimeupdateTime; | |
131 }; | |
132 | |
133 } // namespace blink | |
134 | |
135 #endif // MediaController_h | |
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