1 files changed, 113 insertions, 0 deletions
diff --git a/Source/WebCore/Modules/mediastream/RTCRtpTransceiver.h b/Source/WebCore/Modules/mediastream/RTCRtpTransceiver.h
new file mode 100644
index 000000000..e000cb2c1
--- /dev/null
+++ b/Source/WebCore/Modules/mediastream/RTCRtpTransceiver.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2016 Ericsson AB. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer
+ *    in the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name of Ericsson nor the names of its contributors
+ *    may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#if ENABLE(WEB_RTC)
+
+#include "RTCIceTransport.h"
+#include "RTCRtpReceiver.h"
+#include "RTCRtpSender.h"
+#include "ScriptWrappable.h"
+#include <wtf/RefCounted.h>
+#include <wtf/RefPtr.h>
+#include <wtf/text/WTFString.h>
+
+namespace WebCore {
+
+class RTCRtpTransceiver : public RefCounted<RTCRtpTransceiver>, public ScriptWrappable {
+public:
+    // This enum is mirrored in RTCPeerConnection.h
+    enum class Direction { Sendrecv, Sendonly, Recvonly, Inactive };
+
+    static Ref<RTCRtpTransceiver> create(Ref<RTCRtpSender>&& sender, Ref<RTCRtpReceiver>&& receiver) { return adoptRef(*new RTCRtpTransceiver(WTFMove(sender), WTFMove(receiver))); }
+    virtual ~RTCRtpTransceiver() { }
+
+    bool hasSendingDirection() const;
+    void enableSendingDirection();
+    void disableSendingDirection();
+
+    const String& directionString() const;
+    Direction direction() const { return m_direction; }
+    void setDirection(Direction direction) { m_direction = direction; }
+
+    const String& provisionalMid() const { return m_provisionalMid; }
+    void setProvisionalMid(const String& provisionalMid) { m_provisionalMid = provisionalMid; }
+
+    const String& mid() const { return m_mid; }
+    void setMid(const String& mid) { m_mid = mid; }
+
+    RTCRtpSender& sender() { return m_sender.get(); }
+    RTCRtpReceiver& receiver() { return m_receiver.get(); }
+
+    bool stopped() const { return m_stopped; }
+    void stop() { m_stopped = true; }
+
+    // FIXME: Temporary solution to keep track of ICE states for this transceiver. Later, each
+    // sender and receiver will have up to two DTLS transports, which in turn will have an ICE
+    // transport each.
+    RTCIceTransport& iceTransport() { return m_iceTransport.get(); }
+
+    static String getNextMid();
+
+private:
+    RTCRtpTransceiver(Ref<RTCRtpSender>&&, Ref<RTCRtpReceiver>&&);
+
+    String m_provisionalMid;
+    String m_mid;
+
+    Direction m_direction;
+
+    Ref<RTCRtpSender> m_sender;
+    Ref<RTCRtpReceiver> m_receiver;
+
+    bool m_stopped { false };
+
+    Ref<RTCIceTransport> m_iceTransport;
+};
+
+class RtpTransceiverSet {
+public:
+    const Vector<RefPtr<RTCRtpTransceiver>>& list() const { return m_transceivers; }
+    void append(Ref<RTCRtpTransceiver>&&);
+
+    const Vector<std::reference_wrapper<RTCRtpSender>>& senders() const { return m_senders; }
+    const Vector<std::reference_wrapper<RTCRtpReceiver>>& receivers() const { return m_receivers; }
+
+private:
+    Vector<RefPtr<RTCRtpTransceiver>> m_transceivers;
+
+    Vector<std::reference_wrapper<RTCRtpSender>> m_senders;
+    Vector<std::reference_wrapper<RTCRtpReceiver>> m_receivers;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(WEB_RTC)