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Cast API overhaul (#173)

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Re-write the shim<->bridge messaging interface and session creation/update handling for better accuracy.
This commit is contained in:
Matt Hensman
2021-05-03 14:37:54 +01:00
committed by GitHub
parent ccac662e74
commit 101c25e26d
25 changed files with 1079 additions and 1346 deletions
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114
app/src/bridge/components/cast/index.ts Normal file
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@@ -0,0 +1,114 @@
"use strict";
import { sendMessage } from "../../lib/nativeMessaging";
import { Message } from "../../messaging";
import Session from "./Session";
const sessions = new Map<string, Session>();
export function handleCastMessage(message: Message) {
switch (message.subject) {
case "bridge:createCastSession": {
const { appId, receiverDevice } = message.data;
// Connect and store with returned ID
const session = new Session(appId, receiverDevice);
session.connect(
receiverDevice.host, receiverDevice.port, sessionId => {
sessions.set(sessionId, session);
});
break;
}
case "bridge:sendCastReceiverMessage": {
const { sessionId, messageData, messageId } = message.data;
const session = sessions.get(sessionId);
if (!session) {
sendMessage({
subject: "shim:impl_sendCastMessage"
, data: {
error: "Session does not exist"
, sessionId, messageId
}
});
break;
}
try {
session.sendReceiverMessage(messageData);
} catch (err) {
sendMessage({
subject: "shim:impl_sendCastMessage"
, data: {
error: `Failed to send message (${err})`
, sessionId, messageId
}
});
break;
}
// Success
sendMessage({
subject: "shim:impl_sendCastMessage"
, data: { sessionId, messageId }
});
break;
}
case "bridge:sendCastSessionMessage": {
const { namespace, sessionId, messageId } = message.data;
const session = sessions.get(sessionId);
if (!session) {
sendMessage({
subject: "shim:impl_sendCastMessage"
, data: {
error: "Session does not exist"
, sessionId, messageId
}
});
break;
}
try {
// Handle string messages
let { messageData } = message.data;
if (typeof messageData === "string") {
messageData = JSON.parse(messageData);
}
session.sendMessage(namespace, messageData);
} catch (err) {
sendMessage({
subject: "shim:impl_sendCastMessage"
, data: {
error: `Failed to send message (${err})`
, sessionId, messageId
}
});
break;
}
// Success
sendMessage({
subject: "shim:impl_sendCastMessage"
, data: { sessionId, messageId }
});
break;
}
case "bridge:stopCastApp": {
break;
}
}
}