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31 #ifndef MediaSourceBase_h
32 #define MediaSourceBase_h
34 #include "core/dom/ActiveDOMObject.h"
35 #include "core/events/EventTarget.h"
36 #include "core/html/HTMLMediaSource.h"
37 #include "core/html/URLRegistry.h"
38 #include "public/platform/WebMediaSource.h"
39 #include "wtf/PassOwnPtr.h"
40 #include "wtf/RefCounted.h"
41 #include "wtf/Vector.h"
44 class WebSourceBuffer;
50 class GenericEventQueue;
52 class MediaSourceBase : public RefCountedGarbageCollected<MediaSourceBase>, public HTMLMediaSource, public ActiveDOMObject, public EventTargetWithInlineData {
53 DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedGarbageCollected<MediaSourceBase>);
55 static const AtomicString& openKeyword();
56 static const AtomicString& closedKeyword();
57 static const AtomicString& endedKeyword();
59 virtual ~MediaSourceBase();
61 void addedToRegistry();
62 void removedFromRegistry();
63 void openIfInEndedState();
67 virtual bool attachToElement(HTMLMediaElement*) OVERRIDE FINAL;
68 virtual void setWebMediaSourceAndOpen(PassOwnPtr<blink::WebMediaSource>) OVERRIDE FINAL;
69 virtual void close() OVERRIDE FINAL;
70 virtual bool isClosed() const OVERRIDE FINAL;
71 virtual double duration() const OVERRIDE FINAL;
72 virtual PassRefPtr<TimeRanges> buffered() const OVERRIDE FINAL;
73 virtual void refHTMLMediaSource() OVERRIDE FINAL { ref(); }
74 virtual void derefHTMLMediaSource() OVERRIDE FINAL { deref(); }
76 void setDuration(double, ExceptionState&);
77 const AtomicString& readyState() const { return m_readyState; }
78 void setReadyState(const AtomicString&);
79 void endOfStream(const AtomicString& error, ExceptionState&);
80 void endOfStream(ExceptionState&);
82 // ActiveDOMObject interface
83 virtual bool hasPendingActivity() const OVERRIDE FINAL;
84 virtual void stop() OVERRIDE FINAL;
86 // EventTarget interface
87 virtual ExecutionContext* executionContext() const OVERRIDE FINAL;
89 // URLRegistrable interface
90 virtual URLRegistry& registry() const OVERRIDE FINAL;
92 virtual void trace(Visitor*) { }
95 explicit MediaSourceBase(ExecutionContext*);
97 virtual void onReadyStateChange(const AtomicString& oldState, const AtomicString& newState) = 0;
98 virtual Vector<RefPtr<TimeRanges> > activeRanges() const = 0;
99 virtual bool isUpdating() const = 0;
101 PassOwnPtr<blink::WebSourceBuffer> createWebSourceBuffer(const String& type, const Vector<String>& codecs, ExceptionState&);
102 void scheduleEvent(const AtomicString& eventName);
103 GenericEventQueue* asyncEventQueue() const { return m_asyncEventQueue.get(); }
106 void endOfStreamInternal(const blink::WebMediaSource::EndOfStreamStatus, ExceptionState&);
107 OwnPtr<blink::WebMediaSource> m_webMediaSource;
108 AtomicString m_readyState;
109 OwnPtr<GenericEventQueue> m_asyncEventQueue;
110 // FIXME: oilpan: This should become a Member. For now, m_attachedElement will be cleared by the HTMLMediaElement destructor.
111 HTMLMediaElement* m_attachedElement;