1 | /* |
2 | * Copyright (C) 2016 Ericsson AB. All rights reserved. |
3 | * Copyright (C) 2017 Apple Inc. All rights reserved. |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * |
9 | * 1. Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * 2. Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer |
13 | * in the documentation and/or other materials provided with the |
14 | * distribution. |
15 | * 3. Neither the name of Ericsson nor the names of its contributors |
16 | * may be used to endorse or promote products derived from this |
17 | * software without specific prior written permission. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #pragma once |
33 | |
34 | #if ENABLE(WEB_RTC) |
35 | |
36 | #include "RTCIceTransport.h" |
37 | #include "RTCRtpReceiver.h" |
38 | #include "RTCRtpSender.h" |
39 | #include "RTCRtpTransceiverBackend.h" |
40 | #include "RTCRtpTransceiverDirection.h" |
41 | #include "ScriptWrappable.h" |
42 | #include <wtf/RefCounted.h> |
43 | #include <wtf/RefPtr.h> |
44 | #include <wtf/text/WTFString.h> |
45 | |
46 | namespace WebCore { |
47 | |
48 | class RTCRtpTransceiver final : public RefCounted<RTCRtpTransceiver>, public ScriptWrappable { |
49 | WTF_MAKE_ISO_ALLOCATED(RTCRtpTransceiver); |
50 | public: |
51 | static Ref<RTCRtpTransceiver> create(Ref<RTCRtpSender>&& sender, Ref<RTCRtpReceiver>&& receiver, std::unique_ptr<RTCRtpTransceiverBackend>&& backend) { return adoptRef(*new RTCRtpTransceiver(WTFMove(sender), WTFMove(receiver), WTFMove(backend))); } |
52 | virtual ~RTCRtpTransceiver() = default; |
53 | |
54 | bool hasSendingDirection() const; |
55 | void enableSendingDirection(); |
56 | void disableSendingDirection(); |
57 | |
58 | RTCRtpTransceiverDirection direction() const; |
59 | Optional<RTCRtpTransceiverDirection> currentDirection() const; |
60 | void setDirection(RTCRtpTransceiverDirection); |
61 | String mid() const; |
62 | |
63 | RTCRtpSender& sender() { return m_sender.get(); } |
64 | RTCRtpReceiver& receiver() { return m_receiver.get(); } |
65 | |
66 | bool stopped() const; |
67 | void stop(); |
68 | |
69 | // FIXME: Temporary solution to keep track of ICE states for this transceiver. Later, each |
70 | // sender and receiver will have up to two DTLS transports, which in turn will have an ICE |
71 | // transport each. |
72 | RTCIceTransport& iceTransport() { return m_iceTransport.get(); } |
73 | |
74 | RTCRtpTransceiverBackend* backend() { return m_backend.get(); } |
75 | |
76 | private: |
77 | RTCRtpTransceiver(Ref<RTCRtpSender>&&, Ref<RTCRtpReceiver>&&, std::unique_ptr<RTCRtpTransceiverBackend>&&); |
78 | |
79 | RTCRtpTransceiverDirection m_direction; |
80 | |
81 | Ref<RTCRtpSender> m_sender; |
82 | Ref<RTCRtpReceiver> m_receiver; |
83 | |
84 | bool m_stopped { false }; |
85 | |
86 | Ref<RTCIceTransport> m_iceTransport; |
87 | std::unique_ptr<RTCRtpTransceiverBackend> m_backend; |
88 | }; |
89 | |
90 | class RtpTransceiverSet { |
91 | public: |
92 | const Vector<RefPtr<RTCRtpTransceiver>>& list() const { return m_transceivers; } |
93 | void append(Ref<RTCRtpTransceiver>&&); |
94 | |
95 | Vector<std::reference_wrapper<RTCRtpSender>> senders() const; |
96 | Vector<std::reference_wrapper<RTCRtpReceiver>> receivers() const; |
97 | |
98 | private: |
99 | Vector<RefPtr<RTCRtpTransceiver>> m_transceivers; |
100 | }; |
101 | |
102 | } // namespace WebCore |
103 | |
104 | #endif // ENABLE(WEB_RTC) |
105 | |