Automatically initializes Chrome Web Store inline install URL with extension ID defined in config.js.

app.js

@@ -1044,6 +1044,11 @@ $(document).ready(function () {
 
     // Set default desktop sharing method
     setDesktopSharing(config.desktopSharing);
+    // Initialize Chrome extension inline installs
+    if(config.chromeExtensionId)
+    {
+        initInlineInstalls();
+    }
 
     // By default we use camera
     getVideoSize = getCameraVideoSize;

desktopsharing.js

@@ -74,6 +74,25 @@ function showDesktopSharingButton() {
     }
 }
 
+/**
+ * Initializes <link rel=chrome-webstore-item /> with extension id set in config.js to support inline installs.
+ * Host site must be selected as main website of published extension.
+ */
+function initInlineInstalls()
+{
+    $("link[rel=chrome-webstore-item]").attr("href", getWebStoreInstallUrl());
+}
+
+/**
+ * Constructs inline install URL for Chrome desktop streaming extension.
+ * The 'chromeExtensionId' must be defined in config.js.
+ * @returns {string}
+ */
+function getWebStoreInstallUrl()
+{
+    return "https://chrome.google.com/webstore/detail/" + config.chromeExtensionId;
+}
+
 /*
  * Toggles screen sharing.
  */
@@ -168,7 +187,7 @@ function obtainScreenFromExtension(streamCallback, failCallback) {
                 doGetStreamFromExtension(streamCallback, failCallback);
             } else {
                 chrome.webstore.install(
-                    "https://chrome.google.com/webstore/detail/" + config.chromeExtensionId,
+                    getWebStoreInstallUrl(),
                     function(arg) {
                         console.log("Extension installed successfully", arg);
                         // We need to reload the page in order to get the access to chrome.runtime
@@ -188,7 +207,6 @@ function checkExtInstalled(isInstalledCallback) {
     if(!chrome.runtime) {
         // No API, so no extension for sure
         isInstalledCallback(false);
-        return false;
     }
     chrome.runtime.sendMessage(
         config.chromeExtensionId,

index.html

@@ -31,7 +31,7 @@
     <link rel="stylesheet" href="css/modaldialog.css?v=3">
     <!--
         Link used for inline installation of chrome desktop streaming extension,
-        must contain the same extension id as defined in config.js -->
+        is updated automatically from the code with the value defined in config.js -->
     <link rel="chrome-webstore-item" href="https://chrome.google.com/webstore/detail/diibjkoicjeejcmhdnailmkgecihlobk">
     <script src="libs/jquery-impromptu.js"></script>
     <script src="libs/jquery.autosize.js"></script>