1 files changed, 50 insertions, 0 deletions
diff --git a/dom/media/webspeech/recognition/SpeechTrackListener.h b/dom/media/webspeech/recognition/SpeechTrackListener.h
new file mode 100644
index 0000000000..423a5b0317
--- /dev/null
+++ b/dom/media/webspeech/recognition/SpeechTrackListener.h
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_SpeechStreamListener_h
+#define mozilla_dom_SpeechStreamListener_h
+
+#include "MediaTrackGraph.h"
+#include "MediaTrackListener.h"
+#include "AudioSegment.h"
+#include "mozilla/MozPromise.h"
+
+namespace mozilla {
+
+class AudioSegment;
+
+namespace dom {
+
+class SpeechRecognition;
+
+class SpeechTrackListener : public MediaTrackListener {
+ public:
+  explicit SpeechTrackListener(SpeechRecognition* aRecognition);
+  ~SpeechTrackListener() = default;
+
+  void NotifyQueuedChanges(MediaTrackGraph* aGraph, TrackTime aTrackOffset,
+                           const MediaSegment& aQueuedMedia) override;
+
+  void NotifyEnded(MediaTrackGraph* aGraph) override;
+
+  void NotifyRemoved(MediaTrackGraph* aGraph) override;
+
+ private:
+  template <typename SampleFormatType>
+  void ConvertAndDispatchAudioChunk(int aDuration, float aVolume,
+                                    SampleFormatType* aData,
+                                    TrackRate aTrackRate);
+  nsMainThreadPtrHandle<SpeechRecognition> mRecognition;
+  MozPromiseHolder<GenericNonExclusivePromise> mRemovedHolder;
+
+ public:
+  const RefPtr<GenericNonExclusivePromise> mRemovedPromise;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif