Check bridge compat before initializing cast shim

ext/src/lib/getBridgeInfo.js

@@ -10,6 +10,7 @@ export default async function getBridgeInfo () {
 
         applicationVersion = response.data;
     } catch (err) {
+        console.error(err)
         return null;
     }
 

ext/src/main.js

@@ -2,6 +2,7 @@
 
 import defaultOptions from "./options/defaultOptions";
 import messageRouter  from "./messageRouter";
+import getBridgeInfo  from "./lib/getBridgeInfo";
 
 import semver from "semver";
 
@@ -421,7 +422,16 @@ messageRouter.register("main", async (message, sender) => {
 
     switch (message.subject) {
         case "main:initialize": {
+            const bridgeInfo = await getBridgeInfo();
+            if (bridgeInfo && bridgeInfo.isVersionCompatible) {
                 initBridge(tabId, sender.tab.frameId);            
+            }
+
+            browser.tabs.sendMessage(sender.tab.id, {
+                subject: "shim:initialized"
+              , data: bridgeInfo
+            }, { frameId: sender.tab.frameId });
+
             break;
         };
 

ext/src/mediaCast.js

@@ -244,7 +244,7 @@ function onMediaSeekError (err) {
 
 window.__onGCastApiAvailable = async function (loaded, errorInfo) {
     if (!loaded) {
-        logMessage("__onGCastApiAvailable error");
+        console.error("__onGCastApiAvailable error");
         return;
     }
 

ext/src/shim/cast/index.js

@@ -256,9 +256,4 @@ onMessage(message => {
     }
 });
 
-// Trigger bridge mDNS discovery
-sendMessage({
-    subject: "main:initialize"
-});
-
 export default cast;

ext/src/shim/index.js

@@ -3,6 +3,9 @@
 import cast  from "./cast";
 import media from "./media";
 
+import { onMessage, sendMessage } from "./messageBridge";
+
+
 if (!window.chrome) {
 	window.chrome = {};
 }
@@ -10,9 +13,23 @@ if (!window.chrome) {
 window.chrome.cast = cast;
 window.chrome.cast.media = media;
 
-// Call page's API loaded function if defined
-const readyFunction = window.__onGCastApiAvailable;
-console.log(readyFunction);
-if (readyFunction && typeof readyFunction === "function") {
-    readyFunction(true);
-}
+
+onMessage(message => {
+    switch (message.subject) {
+        case "shim:initialized": {
+            const bridgeInfo = message.data;
+
+            // Call page's API loaded function if defined
+            const readyFunction = window.__onGCastApiAvailable;
+            if (readyFunction && typeof readyFunction === "function") {
+                readyFunction(bridgeInfo && bridgeInfo.isVersionCompatible);
+            }
+            break;
+        };
+    }
+});
+
+// Trigger bridge mDNS discovery
+sendMessage({
+    subject: "main:initialize"
+});