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31 #ifndef WebMediaStreamSource_h
32 #define WebMediaStreamSource_h
34 #include "WebCommon.h"
35 #include "WebNonCopyable.h"
36 #include "WebPrivatePtr.h"
37 #include "WebVector.h"
40 class MediaStreamSource;
44 class WebAudioDestinationConsumer;
45 class WebMediaConstraints;
48 class WebMediaStreamSource {
52 ExtraData() : m_owner(0) { }
53 virtual ~ExtraData() { }
55 BLINK_PLATFORM_EXPORT WebMediaStreamSource owner();
58 BLINK_PLATFORM_EXPORT void setOwner(WebCore::MediaStreamSource*);
62 WebCore::MediaStreamSource* m_owner;
76 WebMediaStreamSource() { }
77 WebMediaStreamSource(const WebMediaStreamSource& other) { assign(other); }
78 ~WebMediaStreamSource() { reset(); }
80 WebMediaStreamSource& operator=(const WebMediaStreamSource& other)
86 BLINK_PLATFORM_EXPORT void assign(const WebMediaStreamSource&);
88 BLINK_PLATFORM_EXPORT void initialize(const WebString& id, Type, const WebString& name);
89 BLINK_PLATFORM_EXPORT void reset();
90 bool isNull() const { return m_private.isNull(); }
92 BLINK_PLATFORM_EXPORT WebString id() const;
93 BLINK_PLATFORM_EXPORT Type type() const;
94 BLINK_PLATFORM_EXPORT WebString name() const;
96 BLINK_PLATFORM_EXPORT void setReadyState(ReadyState);
97 BLINK_PLATFORM_EXPORT ReadyState readyState() const;
99 // Extra data associated with this object.
100 // If non-null, the extra data pointer will be deleted when the object is destroyed.
101 // Setting the extra data pointer will cause any existing non-null
102 // extra data pointer to be deleted.
103 BLINK_PLATFORM_EXPORT ExtraData* extraData() const;
104 BLINK_PLATFORM_EXPORT void setExtraData(ExtraData*);
106 BLINK_PLATFORM_EXPORT WebMediaConstraints constraints();
108 // Only used if if this is a WebAudio source.
109 // The WebAudioDestinationConsumer is not owned, and has to be disposed of separately
110 // after calling removeAudioConsumer.
111 BLINK_PLATFORM_EXPORT bool requiresAudioConsumer() const;
112 BLINK_PLATFORM_EXPORT void addAudioConsumer(WebAudioDestinationConsumer*);
113 BLINK_PLATFORM_EXPORT bool removeAudioConsumer(WebAudioDestinationConsumer*);
116 BLINK_PLATFORM_EXPORT WebMediaStreamSource(const WTF::PassRefPtr<WebCore::MediaStreamSource>&);
117 BLINK_PLATFORM_EXPORT WebMediaStreamSource& operator=(WebCore::MediaStreamSource*);
118 BLINK_PLATFORM_EXPORT operator WTF::PassRefPtr<WebCore::MediaStreamSource>() const;
119 BLINK_PLATFORM_EXPORT operator WebCore::MediaStreamSource*() const;
123 WebPrivatePtr<WebCore::MediaStreamSource> m_private;
128 #endif // WebMediaStreamSource_h