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2 | 2 |
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3 | 3 | import com.cloudwebrtc.webrtc.utils.AnyThreadSink;
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4 | 4 | import com.cloudwebrtc.webrtc.utils.ConstraintsMap;
|
| 5 | + |
| 6 | +import org.webrtc.DataChannel; |
| 7 | + |
| 8 | +import java.nio.charset.Charset; |
| 9 | + |
5 | 10 | import io.flutter.plugin.common.BinaryMessenger;
|
6 | 11 | import io.flutter.plugin.common.EventChannel;
|
7 |
| -import java.nio.charset.Charset; |
8 |
| -import org.webrtc.DataChannel; |
9 | 12 |
|
10 | 13 | class DataChannelObserver implements DataChannel.Observer, EventChannel.StreamHandler {
|
11 | 14 |
|
12 |
| - private final int mId; |
13 |
| - private final DataChannel mDataChannel; |
14 |
| - |
15 |
| - private EventChannel eventChannel; |
16 |
| - private EventChannel.EventSink eventSink; |
17 |
| - |
18 |
| - DataChannelObserver(BinaryMessenger messenger, String peerConnectionId, int id, |
19 |
| - DataChannel dataChannel) { |
20 |
| - mId = id; |
21 |
| - mDataChannel = dataChannel; |
22 |
| - eventChannel = |
23 |
| - new EventChannel(messenger, "FlutterWebRTC/dataChannelEvent" + peerConnectionId + id); |
24 |
| - eventChannel.setStreamHandler(this); |
25 |
| - } |
26 |
| - |
27 |
| - private String dataChannelStateString(DataChannel.State dataChannelState) { |
28 |
| - switch (dataChannelState) { |
29 |
| - case CONNECTING: |
30 |
| - return "connecting"; |
31 |
| - case OPEN: |
32 |
| - return "open"; |
33 |
| - case CLOSING: |
34 |
| - return "closing"; |
35 |
| - case CLOSED: |
36 |
| - return "closed"; |
| 15 | + private final int mId; |
| 16 | + private final DataChannel mDataChannel; |
| 17 | + |
| 18 | + private EventChannel eventChannel; |
| 19 | + private EventChannel.EventSink eventSink; |
| 20 | + |
| 21 | + DataChannelObserver(BinaryMessenger messenger, String peerConnectionId, int id, |
| 22 | + DataChannel dataChannel) { |
| 23 | + mId = id; |
| 24 | + mDataChannel = dataChannel; |
| 25 | + eventChannel = |
| 26 | + new EventChannel(messenger, "FlutterWebRTC/dataChannelEvent" + peerConnectionId + id); |
| 27 | + eventChannel.setStreamHandler(this); |
| 28 | + } |
| 29 | + |
| 30 | + private String dataChannelStateString(DataChannel.State dataChannelState) { |
| 31 | + switch (dataChannelState) { |
| 32 | + case CONNECTING: |
| 33 | + return "connecting"; |
| 34 | + case OPEN: |
| 35 | + return "open"; |
| 36 | + case CLOSING: |
| 37 | + return "closing"; |
| 38 | + case CLOSED: |
| 39 | + return "closed"; |
| 40 | + } |
| 41 | + return ""; |
| 42 | + } |
| 43 | + |
| 44 | + @Override |
| 45 | + public void onListen(Object o, EventChannel.EventSink sink) { |
| 46 | + eventSink = new AnyThreadSink(sink); |
| 47 | + } |
| 48 | + |
| 49 | + @Override |
| 50 | + public void onCancel(Object o) { |
| 51 | + eventSink = null; |
37 | 52 | }
|
38 |
| - return ""; |
39 |
| - } |
40 |
| - |
41 |
| - @Override |
42 |
| - public void onListen(Object o, EventChannel.EventSink sink) { |
43 |
| - eventSink = new AnyThreadSink(sink); |
44 |
| - } |
45 |
| - |
46 |
| - @Override |
47 |
| - public void onCancel(Object o) { |
48 |
| - eventSink = null; |
49 |
| - } |
50 |
| - |
51 |
| - @Override |
52 |
| - public void onBufferedAmountChange(long amount) { |
53 |
| - } |
54 |
| - |
55 |
| - @Override |
56 |
| - public void onStateChange() { |
57 |
| - ConstraintsMap params = new ConstraintsMap(); |
58 |
| - params.putString("event", "dataChannelStateChanged"); |
59 |
| - params.putInt("id", mDataChannel.id()); |
60 |
| - params.putString("state", dataChannelStateString(mDataChannel.state())); |
61 |
| - sendEvent(params); |
62 |
| - } |
63 |
| - |
64 |
| - @Override |
65 |
| - public void onMessage(DataChannel.Buffer buffer) { |
66 |
| - ConstraintsMap params = new ConstraintsMap(); |
67 |
| - params.putString("event", "dataChannelReceiveMessage"); |
68 |
| - params.putInt("id", mDataChannel.id()); |
69 |
| - |
70 |
| - byte[] bytes; |
71 |
| - if (buffer.data.hasArray()) { |
72 |
| - bytes = buffer.data.array(); |
73 |
| - } else { |
74 |
| - bytes = new byte[buffer.data.remaining()]; |
75 |
| - buffer.data.get(bytes); |
| 53 | + |
| 54 | + @Override |
| 55 | + public void onBufferedAmountChange(long amount) { |
76 | 56 | }
|
77 | 57 |
|
78 |
| - if (buffer.binary) { |
79 |
| - params.putString("type", "binary"); |
80 |
| - params.putByte("data", bytes); |
81 |
| - } else { |
82 |
| - params.putString("type", "text"); |
83 |
| - params.putString("data", new String(bytes, Charset.forName("UTF-8"))); |
| 58 | + @Override |
| 59 | + public void onStateChange() { |
| 60 | + ConstraintsMap params = new ConstraintsMap(); |
| 61 | + params.putString("event", "dataChannelStateChanged"); |
| 62 | + params.putInt("id", mDataChannel.id()); |
| 63 | + params.putString("state", dataChannelStateString(mDataChannel.state())); |
| 64 | + sendEvent(params); |
84 | 65 | }
|
85 | 66 |
|
86 |
| - sendEvent(params); |
87 |
| - } |
| 67 | + @Override |
| 68 | + public void onMessage(DataChannel.Buffer buffer) { |
| 69 | + ConstraintsMap params = new ConstraintsMap(); |
| 70 | + params.putString("event", "dataChannelReceiveMessage"); |
| 71 | + params.putInt("id", mDataChannel.id()); |
| 72 | + |
| 73 | + byte[] bytes; |
| 74 | + if (buffer.data.hasArray()) { |
| 75 | + bytes = buffer.data.array(); |
| 76 | + } else { |
| 77 | + bytes = new byte[buffer.data.remaining()]; |
| 78 | + buffer.data.get(bytes); |
| 79 | + } |
| 80 | + |
| 81 | + if (buffer.binary) { |
| 82 | + params.putString("type", "binary"); |
| 83 | + params.putByte("data", bytes); |
| 84 | + } else { |
| 85 | + params.putString("type", "text"); |
| 86 | + params.putString("data", new String(bytes, Charset.forName("UTF-8"))); |
| 87 | + } |
| 88 | + |
| 89 | + sendEvent(params); |
| 90 | + } |
88 | 91 |
|
89 |
| - private void sendEvent(ConstraintsMap params) { |
90 |
| - if (eventSink != null) { |
91 |
| - eventSink.success(params.toMap()); |
| 92 | + private void sendEvent(ConstraintsMap params) { |
| 93 | + if (eventSink != null) { |
| 94 | + eventSink.success(params.toMap()); |
| 95 | + } |
92 | 96 | }
|
93 |
| - } |
94 | 97 | }
|
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