36 lines
887 B
C++
36 lines
887 B
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Copyright The Music Player Daemon Project
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#ifndef MPD_INPUT_STREAM_HANDLER_HXX
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#define MPD_INPUT_STREAM_HANDLER_HXX
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/**
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* An interface which gets receives events from an #InputStream. Its
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* methods will be called from within an arbitrary thread and must not
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* block.
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*
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* A reference to an instance is passed to the #InputStream, but it
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* remains owned by the caller.
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*/
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class InputStreamHandler {
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public:
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/**
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* Called when InputStream::IsReady() becomes true.
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*
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* Before querying metadata from the #InputStream,
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* InputStream::Update() must be called.
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*
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* Caller locks InputStream::mutex.
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*/
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virtual void OnInputStreamReady() noexcept = 0;
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/**
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* Called when InputStream::IsAvailable() becomes true.
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*
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* Caller locks InputStream::mutex.
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*/
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virtual void OnInputStreamAvailable() noexcept = 0;
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};
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#endif
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