1 files changed, 78 insertions, 0 deletions
diff --git a/dom/media/webrtc/jsapi/RTCDTMFSender.h b/dom/media/webrtc/jsapi/RTCDTMFSender.h
new file mode 100644
index 0000000000..14be7eb6ee
--- /dev/null
+++ b/dom/media/webrtc/jsapi/RTCDTMFSender.h
@@ -0,0 +1,78 @@
+/* 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 _RTCDTMFSender_h_
+#define _RTCDTMFSender_h_
+
+#include "MediaEventSource.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/RefPtr.h"
+#include "js/RootingAPI.h"
+#include "nsITimer.h"
+
+class nsPIDOMWindowInner;
+class nsITimer;
+
+namespace mozilla {
+class AudioSessionConduit;
+
+struct DtmfEvent {
+  DtmfEvent(int aPayloadType, int aPayloadFrequency, int aEventCode,
+            int aLengthMs)
+      : mPayloadType(aPayloadType),
+        mPayloadFrequency(aPayloadFrequency),
+        mEventCode(aEventCode),
+        mLengthMs(aLengthMs) {}
+  const int mPayloadType;
+  const int mPayloadFrequency;
+  const int mEventCode;
+  const int mLengthMs;
+};
+
+namespace dom {
+class RTCRtpTransceiver;
+
+class RTCDTMFSender : public DOMEventTargetHelper,
+                      public nsITimerCallback,
+                      public nsINamed {
+ public:
+  RTCDTMFSender(nsPIDOMWindowInner* aWindow, RTCRtpTransceiver* aTransceiver);
+
+  // nsISupports
+  NS_DECL_NSITIMERCALLBACK
+  NS_DECL_NSINAMED
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(RTCDTMFSender, DOMEventTargetHelper)
+
+  // webidl
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+  void SetPayloadType(int32_t aPayloadType, int32_t aPayloadFrequency);
+  void InsertDTMF(const nsAString& aTones, uint32_t aDuration,
+                  uint32_t aInterToneGap, ErrorResult& aRv);
+  void GetToneBuffer(nsAString& aOutToneBuffer);
+  IMPL_EVENT_HANDLER(tonechange)
+
+  void StopPlayout();
+
+  MediaEventSource<DtmfEvent>& OnDtmfEvent() { return mDtmfEvent; }
+
+ private:
+  virtual ~RTCDTMFSender() = default;
+
+  void StartPlayout(uint32_t aDelay);
+
+  RefPtr<RTCRtpTransceiver> mTransceiver;
+  MediaEventProducer<DtmfEvent> mDtmfEvent;
+  Maybe<int32_t> mPayloadType;
+  Maybe<int32_t> mPayloadFrequency;
+  nsString mToneBuffer;
+  uint32_t mDuration = 0;
+  uint32_t mInterToneGap = 0;
+  nsCOMPtr<nsITimer> mSendTimer;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+#endif  // _RTCDTMFSender_h_