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3 * Copyright (C) 2015 Igalia S.L.
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30 #ifndef ReadableStreamController_h
31 #define ReadableStreamController_h
33 #if ENABLE(STREAMS_API)
35 #include "ReadableJSStream.h"
39 // This class is only used for JS source readable streams to allow enqueuing, closing or erroring a readable stream.
40 // Its definition is at https://streams.spec.whatwg.org/#rs-controller-class.
41 // Note that its constructor is taking a ReadableJSStream as it should only be used for JS sources.
42 class ReadableStreamController {
44 explicit ReadableStreamController(ReadableJSStream& stream)
45 : m_stream(stream) { }
47 ReadableJSStream& stream() { return m_stream; }
49 void ref() { m_stream.ref(); }
50 void deref() { m_stream.deref(); }
52 double desiredSize() const { return m_stream.desiredSize(); }
55 ReadableJSStream& m_stream;
62 #endif // ReadableStream_h