1 | "use strict";
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18 | Object.defineProperty(exports, "__esModule", { value: true });
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19 | exports.InterceptingListenerImpl = exports.isInterceptingListener = void 0;
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20 | function isInterceptingListener(listener) {
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21 | return (listener.onReceiveMetadata !== undefined &&
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22 | listener.onReceiveMetadata.length === 1);
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23 | }
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24 | exports.isInterceptingListener = isInterceptingListener;
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25 | class InterceptingListenerImpl {
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26 | constructor(listener, nextListener) {
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27 | this.listener = listener;
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28 | this.nextListener = nextListener;
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29 | this.processingMetadata = false;
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30 | this.hasPendingMessage = false;
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31 | this.processingMessage = false;
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32 | this.pendingStatus = null;
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33 | }
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34 | processPendingMessage() {
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35 | if (this.hasPendingMessage) {
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36 | this.nextListener.onReceiveMessage(this.pendingMessage);
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37 | this.pendingMessage = null;
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38 | this.hasPendingMessage = false;
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39 | }
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40 | }
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41 | processPendingStatus() {
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42 | if (this.pendingStatus) {
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43 | this.nextListener.onReceiveStatus(this.pendingStatus);
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44 | }
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45 | }
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46 | onReceiveMetadata(metadata) {
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47 | this.processingMetadata = true;
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48 | this.listener.onReceiveMetadata(metadata, (metadata) => {
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49 | this.processingMetadata = false;
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50 | this.nextListener.onReceiveMetadata(metadata);
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51 | this.processPendingMessage();
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52 | this.processPendingStatus();
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53 | });
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54 | }
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55 |
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56 | onReceiveMessage(message) {
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57 | |
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59 | this.processingMessage = true;
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60 | this.listener.onReceiveMessage(message, (msg) => {
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61 | this.processingMessage = false;
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62 | if (this.processingMetadata) {
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63 | this.pendingMessage = msg;
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64 | this.hasPendingMessage = true;
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65 | }
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66 | else {
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67 | this.nextListener.onReceiveMessage(msg);
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68 | this.processPendingStatus();
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69 | }
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70 | });
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71 | }
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72 | onReceiveStatus(status) {
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73 | this.listener.onReceiveStatus(status, (processedStatus) => {
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74 | if (this.processingMetadata || this.processingMessage) {
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75 | this.pendingStatus = processedStatus;
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76 | }
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77 | else {
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78 | this.nextListener.onReceiveStatus(processedStatus);
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79 | }
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80 | });
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81 | }
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82 | }
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83 | exports.InterceptingListenerImpl = InterceptingListenerImpl;
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