mirror of
https://github.com/hensm/fx_cast.git
synced 2026-06-08 08:39:59 +00:00
Refactor app, split components into separate files
This commit is contained in:
hensm
82
app/src/Media.js
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82
app/src/Media.js
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@@ -0,0 +1,82 @@
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export default class Media {
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messageHandler (message) {
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switch (message.subject) {
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case "bridge:bridgemedia/sendMediaMessage": {
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let error = false;
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try {
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this.channel.send(message.data.message);
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} catch (err) {
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error = true;
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}
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this.sendMessage("shim:media/sendMediaMessageResponse", {
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messageId: message.data.messageId
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, error
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});
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break;
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};
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}
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}
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constructor (sessionId
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, mediaSessionId
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, _id
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, parentSession,
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_sendMessage) {
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this._id = _id;
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this._sendMessage = _sendMessage;
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this.sessionId = sessionId;
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this.mediaSessionId = mediaSessionId;
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const namespace = "urn:x-cast:com.google.cast.media";
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this.session = parentSession;
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this.session.createChannel(namespace);
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this.channel = this.session.channelMap.get(namespace);
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this.channel.on("message", data => {
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if (data && data.type === "MEDIA_STATUS"
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&& data.status && data.status.length > 0) {
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const status = data.status[0];
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const messageData = {
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currentTime: status.currentTime
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, _lastCurrentTime: Date.now() / 1000
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, customData: status.customData
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, _volumeLevel: status.volume.level
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, _volumeMuted: status.volume.muted
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, playbackRate: status.playbackRate
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, playerState: status.playerState
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, repeatMode: status.repeatMode
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};
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if (status.media) {
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messageData.media = status.media;
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}
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if (status.mediaSessionId) {
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messageData.mediaSessionId = status.mediaSessionId;
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}
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this.sendMessage("shim:media/update", messageData);
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// Update ID
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if (status.mediaSessionId) {
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this.mediaSessionId = status.mediaSessionId;
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}
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}
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});
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}
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sendMessage (subject, data = {}) {
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this._sendMessage({
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subject
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, data
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, _id: this._id
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});
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}
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}
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255
app/src/Session.js
Normal file
255
app/src/Session.js
Normal file
@@ -0,0 +1,255 @@
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import { Client } from "castv2";
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export default class Session {
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messageHandler (message) {
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switch (message.subject) {
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case "bridge:bridgesession/close":
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this.close();
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break;
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case "bridge:bridgesession/impl_addMessageListener":
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this._impl_addMessageListener(message.data.namespace);
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break;
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case "bridge:bridgesession/impl_sendMessage":
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this._impl_sendMessage(
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message.data.namespace
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, message.data.message
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, message.data.messageId)
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break;
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case "bridge:bridgesession/impl_setReceiverMuted":
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this._impl_setReceiverMuted(
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message.data.muted
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, message.data.volumeId);
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break;
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case "bridge:bridgesession/impl_setReceiverVolumeLevel":
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this._impl_setReceiverVolumeLevel(
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message.data.newLevel
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, message.data.volumeId);
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break;
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case "bridge:bridgesession/impl_stop":
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this._impl_stop(message.data.stopId);
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break;
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}
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}
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constructor (host, port, appId, sessionId, _sendMessage) {
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this._sendMessage = _sendMessage;
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this.sessionId = sessionId;
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this.clientConnection;
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this.clientHeartbeat;
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this.clientReceiver;
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this.channelMap = new Map();
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this.client = new Client();
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this.client.connect({ host, port }, () => {
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let transportHeartbeat;
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this.clientConnection = this.client.createChannel(
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"sender-0"
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, "receiver-0"
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, "urn:x-cast:com.google.cast.tp.connection"
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, "JSON");
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this.clientHeartbeat = this.client.createChannel(
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"sender-0"
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, "receiver-0"
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, "urn:x-cast:com.google.cast.tp.heartbeat"
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, "JSON");
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this.clientReceiver = this.client.createChannel(
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"sender-0"
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, "receiver-0"
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, "urn:x-cast:com.google.cast.receiver"
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, "JSON");
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this.clientConnection.send({ type: "CONNECT" });
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this.clientHeartbeat.send({ type: "PING" });
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this.clientHeartbeatInterval = setInterval(() => {
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if (transportHeartbeat) {
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transportHeartbeat.send({ type: "PING" });
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}
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this.clientHeartbeat.send({ type: "PING" });
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}, 5000);
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this.clientReceiver.send({
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type: "LAUNCH"
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, appId
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, requestId: 1
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});
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let sessionCreated = false;
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this.clientReceiver.on("message", (data, broadcast) => {
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switch (data.type) {
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case "RECEIVER_STATUS":
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this.sendMessage("shim:session/updateStatus", data.status);
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if (!data.status.applications) return;
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const receiverApp = data.status.applications[0];
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const receiverAppId = receiverApp.appId;
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this.app = receiverApp;
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if (receiverAppId !== appId) {
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// Close session
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this.sendMessage("shim:session/stopped");
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this.client.close();
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clearInterval(this.clientHeartbeatInterval);
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return;
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}
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if (!sessionCreated) {
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sessionCreated = true;
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this.transport = this.app.transportId;
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this.transportId = this.app.transportId;
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this.clientId = `client-${Math.floor(Math.random() * 10e5)}`;
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this.transportConnect = this.client.createChannel(
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this.clientId
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, this.transport
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, "urn:x-cast:com.google.cast.tp.connection"
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, "JSON");
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this.transportConnect.send({ type: "CONNECT" });
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transportHeartbeat = this.client.createChannel(
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this.clientId
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, this.transport
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, "urn:x-cast:com.google.cast.tp.heartbeat"
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, "JSON");
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this.sessionId = this.app.sessionId;
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this.sendMessage("shim:session/connected", {
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sessionId: this.app.sessionId
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, namespaces: this.app.namespaces
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, displayName: this.app.displayName
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, statusText: this.app.displayName
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});
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}
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break;
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}
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});
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});
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}
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sendMessage (subject, data = {}) {
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this._sendMessage({
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subject
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, data
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, _id: this._id
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});
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}
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createChannel (namespace) {
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if (!this.channelMap.has(namespace)) {
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this.channelMap.set(namespace
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, this.client.createChannel(
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this.clientId, this.transport, namespace, "JSON"));
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}
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}
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close () {
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this.clientConnection.send({ type: "CLOSE" });
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if (this.transportConnect) {
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this.transportConnect.send({ type: "CLOSE" });
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}
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}
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_impl_addMessageListener (namespace) {
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this.createChannel(namespace);
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this.channelMap.get(namespace).on("message", data => {
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this.sendMessage("shim:session/impl_addMessageListener", {
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namespace: namespace
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, data: JSON.stringify(data)
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});
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})
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}
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_impl_sendMessage (namespace, message, messageId) {
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let error = false;
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try {
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this.createChannel(namespace);
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this.channelMap.get(namespace).send(message);
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} catch (err) {
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error = true;
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}
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this.sendMessage("shim:session/impl_sendMessage", {
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messageId
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, error
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});
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}
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_impl_setReceiverMuted (muted, volumeId) {
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let error = false;
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try {
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this.clientReceiver.send({
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type: "SET_VOLUME"
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, volume: { muted }
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, requestId: 0
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});
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} catch (err) {
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error = true;
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}
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this.sendMessage("shim:session/impl_setReceiverMuted", {
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volumeId
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, error
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});
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}
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_impl_setReceiverVolumeLevel (newLevel, volumeId) {
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let error = false;
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try {
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this.clientReceiver.send({
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type: "SET_VOLUME"
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, volume: { level: newLevel }
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, requestId: 0
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})
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} catch (err) {
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error = true;
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}
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this.sendMessage("shim:session/impl_setReceiverVolumeLevel", {
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volumeId
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, error
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});
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}
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_impl_stop (stopId) {
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let error = false;
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try {
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this.clientReceiver.send({
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type: "STOP"
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, sessionId: this.sessionId
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, requestId: 0
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});
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} catch (err) {
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error = true;
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}
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this.client.close();
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clearInterval(this.clientHeartbeatInterval);
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this.sendMessage("shim:session/impl_stop", {
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stopId
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, error
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});
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}
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}
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423
app/src/main.js
423
app/src/main.js
@@ -1,4 +1,3 @@
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import { Client } from "castv2";
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import { createBrowser, tcp } from "mdns-js";
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import http from "http";
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@@ -6,6 +5,9 @@ import fs from "fs";
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import path from "path";
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import * as transforms from "./transforms";
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import Media from "./Media";
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import Session from "./Session";
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const browser = createBrowser(tcp("googlecast"));
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@@ -35,20 +37,62 @@ function sendMessage (message) {
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} catch (err) {}
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}
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// Existing counterpart Media/Session objects
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const existingSessions = new Map();
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const existingMedia = new Map();
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/**
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* Handle incoming messages from the extension and forward them to the
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* appropriate handlers.
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* Handle incoming messages from the extension and forward
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* them to the appropriate handlers.
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*
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* Initializes the counterpart objects and is responsible
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* for managing existing ones.
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*/
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async function handleMessage (message) {
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if (message.subject.startsWith("bridge:bridgemedia/")) {
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Media.messageHandler(message);
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if (existingMedia.has(message._id)) {
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// Forward message to instance message handler
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existingMedia.get(message._id).messageHandler(message);
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} else {
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if (message.subject.endsWith("/initialize")) {
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// Get Session object media belongs to
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const parentSession = existingSessions.get(
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message.data._internalSessionId);
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// Create Media
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existingMedia.set(message._id, new Media(
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message.data.sessionId
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, message.data.mediaSessionId
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, message._id
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, parentSession
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, sendMessage));
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}
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}
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return;
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}
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if (message.subject.startsWith("bridge:bridgesession/")) {
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Session.messageHandler(message);
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if (existingSessions.has(message._id)) {
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// Forward message to instance message handler
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existingSessions.get(message._id).messageHandler(message);
|
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} else {
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if (message.subject.endsWith("/initialize")) {
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// Create Session
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existingSessions.set(message._id, new Session(
|
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message.data.address
|
||||
, message.data.port
|
||||
, message.data.appId
|
||||
, message.data.sessionId
|
||||
, sendMessage));
|
||||
}
|
||||
}
|
||||
|
||||
return;
|
||||
}
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||||
|
||||
|
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switch (message.subject) {
|
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case "bridge:discover":
|
||||
browser.discover();
|
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@@ -151,372 +195,3 @@ browser.on("serviceDown", service => {
|
||||
}
|
||||
});
|
||||
})*/
|
||||
|
||||
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const sessionMap = new Map();
|
||||
|
||||
class Session {
|
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static messageHandler (message) {
|
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const { _id } = message;
|
||||
|
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let session;
|
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if (sessionMap.has(_id)) {
|
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session = sessionMap.get(_id);
|
||||
}
|
||||
|
||||
switch (message.subject) {
|
||||
case "bridge:bridgesession/initialize":
|
||||
sessionMap.set(_id, new Session(
|
||||
message.data.address
|
||||
, message.data.port
|
||||
, message.data.appId
|
||||
, message.data.sessionId));
|
||||
break;
|
||||
|
||||
case "bridge:bridgesession/close":
|
||||
session.close();
|
||||
break;
|
||||
|
||||
case "bridge:bridgesession/impl_addMessageListener":
|
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session._impl_addMessageListener(message.data.namespace);
|
||||
break;
|
||||
|
||||
case "bridge:bridgesession/impl_sendMessage":
|
||||
session._impl_sendMessage(
|
||||
message.data.namespace
|
||||
, message.data.message
|
||||
, message.data.messageId)
|
||||
break;
|
||||
|
||||
case "bridge:bridgesession/impl_setReceiverMuted":
|
||||
session._impl_setReceiverMuted(
|
||||
message.data.muted
|
||||
, message.data.volumeId);
|
||||
break;
|
||||
|
||||
case "bridge:bridgesession/impl_setReceiverVolumeLevel":
|
||||
session._impl_setReceiverVolumeLevel(
|
||||
message.data.newLevel
|
||||
, message.data.volumeId);
|
||||
break;
|
||||
|
||||
case "bridge:bridgesession/impl_stop":
|
||||
session._impl_stop(message.data.stopId);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
constructor (host, port, appId, sessionId) {
|
||||
this.sessionId = sessionId;
|
||||
this.clientConnection;
|
||||
this.clientHeartbeat;
|
||||
this.clientReceiver;
|
||||
|
||||
this.channelMap = new Map();
|
||||
|
||||
this.client = new Client();
|
||||
this.client.connect({ host, port }, () => {
|
||||
let transportHeartbeat;
|
||||
|
||||
this.clientConnection = this.client.createChannel(
|
||||
"sender-0"
|
||||
, "receiver-0"
|
||||
, "urn:x-cast:com.google.cast.tp.connection"
|
||||
, "JSON");
|
||||
this.clientHeartbeat = this.client.createChannel(
|
||||
"sender-0"
|
||||
, "receiver-0"
|
||||
, "urn:x-cast:com.google.cast.tp.heartbeat"
|
||||
, "JSON");
|
||||
this.clientReceiver = this.client.createChannel(
|
||||
"sender-0"
|
||||
, "receiver-0"
|
||||
, "urn:x-cast:com.google.cast.receiver"
|
||||
, "JSON");
|
||||
|
||||
this.clientConnection.send({ type: "CONNECT" });
|
||||
this.clientHeartbeat.send({ type: "PING" });
|
||||
|
||||
this.clientHeartbeatInterval = setInterval(() => {
|
||||
if (transportHeartbeat) {
|
||||
transportHeartbeat.send({ type: "PING" });
|
||||
}
|
||||
this.clientHeartbeat.send({ type: "PING" });
|
||||
}, 5000);
|
||||
|
||||
this.clientReceiver.send({
|
||||
type: "LAUNCH"
|
||||
, appId
|
||||
, requestId: 1
|
||||
});
|
||||
|
||||
|
||||
let sessionCreated = false;
|
||||
|
||||
this.clientReceiver.on("message", (data, broadcast) => {
|
||||
switch (data.type) {
|
||||
case "RECEIVER_STATUS":
|
||||
|
||||
this.sendMessage("shim:session/updateStatus", data.status);
|
||||
|
||||
if (!data.status.applications) return;
|
||||
|
||||
const receiverApp = data.status.applications[0];
|
||||
const receiverAppId = receiverApp.appId;
|
||||
|
||||
this.app = receiverApp;
|
||||
|
||||
if (receiverAppId !== appId) {
|
||||
// Close session
|
||||
this.sendMessage("shim:session/stopped");
|
||||
this.client.close();
|
||||
clearInterval(this.clientHeartbeatInterval);
|
||||
return;
|
||||
}
|
||||
|
||||
if (!sessionCreated) {
|
||||
sessionCreated = true;
|
||||
|
||||
this.transport = this.app.transportId;
|
||||
this.transportId = this.app.transportId;
|
||||
this.clientId = `client-${Math.floor(Math.random() * 10e5)}`;
|
||||
|
||||
this.transportConnect = this.client.createChannel(
|
||||
this.clientId
|
||||
, this.transport
|
||||
, "urn:x-cast:com.google.cast.tp.connection"
|
||||
, "JSON");
|
||||
|
||||
this.transportConnect.send({ type: "CONNECT" });
|
||||
|
||||
transportHeartbeat = this.client.createChannel(
|
||||
this.clientId
|
||||
, this.transport
|
||||
, "urn:x-cast:com.google.cast.tp.heartbeat"
|
||||
, "JSON");
|
||||
|
||||
this.sessionId = this.app.sessionId;
|
||||
|
||||
this.sendMessage("shim:session/connected", {
|
||||
sessionId: this.app.sessionId
|
||||
, namespaces: this.app.namespaces
|
||||
, displayName: this.app.displayName
|
||||
, statusText: this.app.displayName
|
||||
});
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
});
|
||||
|
||||
});
|
||||
}
|
||||
|
||||
sendMessage (subject, data = {}) {
|
||||
sendMessage({
|
||||
subject
|
||||
, data
|
||||
, _id: this._id
|
||||
});
|
||||
}
|
||||
|
||||
createChannel (namespace) {
|
||||
if (!this.channelMap.has(namespace)) {
|
||||
this.channelMap.set(namespace
|
||||
, this.client.createChannel(
|
||||
this.clientId, this.transport, namespace, "JSON"));
|
||||
}
|
||||
}
|
||||
|
||||
close () {
|
||||
this.clientConnection.send({ type: "CLOSE" });
|
||||
if (this.transportConnect) {
|
||||
this.transportConnect.send({ type: "CLOSE" });
|
||||
}
|
||||
}
|
||||
|
||||
_impl_addMessageListener (namespace) {
|
||||
this.createChannel(namespace);
|
||||
this.channelMap.get(namespace).on("message", data => {
|
||||
this.sendMessage("shim:session/impl_addMessageListener", {
|
||||
namespace: namespace
|
||||
, data: JSON.stringify(data)
|
||||
});
|
||||
})
|
||||
}
|
||||
|
||||
_impl_sendMessage (namespace, message, messageId) {
|
||||
let error = false;
|
||||
|
||||
try {
|
||||
this.createChannel(namespace);
|
||||
this.channelMap.get(namespace).send(message);
|
||||
} catch (err) {
|
||||
error = true;
|
||||
}
|
||||
|
||||
this.sendMessage("shim:session/impl_sendMessage", {
|
||||
messageId
|
||||
, error
|
||||
});
|
||||
}
|
||||
|
||||
_impl_setReceiverMuted (muted, volumeId) {
|
||||
let error = false;
|
||||
|
||||
try {
|
||||
this.clientReceiver.send({
|
||||
type: "SET_VOLUME"
|
||||
, volume: { muted }
|
||||
, requestId: 0
|
||||
});
|
||||
} catch (err) {
|
||||
error = true;
|
||||
}
|
||||
|
||||
this.sendMessage("shim:session/impl_setReceiverMuted", {
|
||||
volumeId
|
||||
, error
|
||||
});
|
||||
}
|
||||
|
||||
_impl_setReceiverVolumeLevel (newLevel, volumeId) {
|
||||
let error = false;
|
||||
|
||||
try {
|
||||
this.clientReceiver.send({
|
||||
type: "SET_VOLUME"
|
||||
, volume: { level: newLevel }
|
||||
, requestId: 0
|
||||
})
|
||||
} catch (err) {
|
||||
error = true;
|
||||
}
|
||||
|
||||
this.sendMessage("shim:session/impl_setReceiverVolumeLevel", {
|
||||
volumeId
|
||||
, error
|
||||
});
|
||||
}
|
||||
|
||||
_impl_stop (stopId) {
|
||||
let error = false;
|
||||
|
||||
try {
|
||||
this.clientReceiver.send({
|
||||
type: "STOP"
|
||||
, sessionId: this.sessionId
|
||||
, requestId: 0
|
||||
});
|
||||
} catch (err) {
|
||||
error = true;
|
||||
}
|
||||
|
||||
this.client.close();
|
||||
clearInterval(this.clientHeartbeatInterval);
|
||||
|
||||
this.sendMessage("shim:session/impl_stop", {
|
||||
stopId
|
||||
, error
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
const mediaMap = new Map();
|
||||
|
||||
class Media {
|
||||
static messageHandler (message) {
|
||||
const { _id } = message;
|
||||
|
||||
let media;
|
||||
if (mediaMap.has(_id)) {
|
||||
media = mediaMap.get(_id);
|
||||
}
|
||||
|
||||
switch (message.subject) {
|
||||
case "bridge:bridgemedia/initialize":
|
||||
mediaMap.set(_id
|
||||
, new Media(
|
||||
message.data.sessionId
|
||||
, message.data.mediaSessionId
|
||||
, _id
|
||||
, message.data._internalSessionId));
|
||||
break;
|
||||
|
||||
case "bridge:bridgemedia/sendMediaMessage":
|
||||
const { messageId } = message.data;
|
||||
let error = false;
|
||||
try {
|
||||
media.channel.send(message.data.message);
|
||||
} catch (err) {
|
||||
error = true;
|
||||
}
|
||||
|
||||
media.sendMessage("shim:media/sendMediaMessageResponse", {
|
||||
messageId
|
||||
, error
|
||||
});
|
||||
|
||||
break;
|
||||
|
||||
default:
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
constructor (sessionId, mediaSessionId, _id, _internalSessionId) {
|
||||
this._id = _id;
|
||||
|
||||
this.sessionId = sessionId;
|
||||
this.mediaSessionId = mediaSessionId;
|
||||
|
||||
const namespace = "urn:x-cast:com.google.cast.media";
|
||||
|
||||
this.session = sessionMap.get(_internalSessionId);
|
||||
this.session.createChannel(namespace);
|
||||
this.channel = this.session.channelMap.get(namespace);
|
||||
|
||||
this.channel.on("message", data => {
|
||||
if (data && data.type === "MEDIA_STATUS"
|
||||
&& data.status && data.status.length > 0) {
|
||||
|
||||
const status = data.status[0];
|
||||
|
||||
const messageData = {
|
||||
currentTime: status.currentTime
|
||||
, _lastCurrentTime: Date.now() / 1000
|
||||
, customData: status.customData
|
||||
, _volumeLevel: status.volume.level
|
||||
, _volumeMuted: status.volume.muted
|
||||
, playbackRate: status.playbackRate
|
||||
, playerState: status.playerState
|
||||
, repeatMode: status.repeatMode
|
||||
};
|
||||
|
||||
if (status.media) {
|
||||
messageData.media = status.media;
|
||||
}
|
||||
if (status.mediaSessionId) {
|
||||
messageData.mediaSessionId = status.mediaSessionId;
|
||||
}
|
||||
|
||||
this.sendMessage("shim:media/update", messageData);
|
||||
|
||||
// Update ID
|
||||
if (status.mediaSessionId) {
|
||||
this.mediaSessionId = status.mediaSessionId;
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
sendMessage (subject, data = {}) {
|
||||
sendMessage({
|
||||
subject
|
||||
, data
|
||||
, _id: this._id
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user