Rename directory: ext -> extension

extension/src/cast/urls.ts

@@ -0,0 +1,41 @@
+/**
+ * Cast Chrome Sender SDK loader script.
+ *
+ * Since the actual SDK script is hosted locally within Chrome,
+ * this script just acts a loader script whilst also doing some
+ * UA string checking.
+ */
+export const CAST_LOADER_SCRIPT_URL =
+    "https://www.gstatic.com/cv/js/sender/v1/cast_sender.js";
+
+/**
+ * Cast Chrome Sender Framework API loader script.
+ *
+ * Same URL as the usual loader script, but the additional
+ * search parameter is checked from within the script and
+ * the framework API script is conditionally loaded in
+ * addition to the regular SDK script.
+ */
+export const CAST_FRAMEWORK_LOADER_SCRIPT_URL = `${CAST_LOADER_SCRIPT_URL}?loadCastFramework=1`;
+
+/**
+ * Cast extension URLs.
+ *
+ * Cast functionality in Chrome was previously provided by
+ * an extension. The cast SDK scripts are still provided via
+ * chrome-extension: URLs for compatibility reasons (?).
+ */
+export const CAST_SCRIPT_URLS = [
+    "chrome-extension://pkedcjkdefgpdelpbcmbmeomcjbeemfm/cast_sender.js",
+    "chrome-extension://enhhojjnijigcajfphajepfemndkmdlo/cast_sender.js"
+];
+
+/**
+ * Cast Chrome Sender Framework API script.
+ *
+ * The Cast Application Framework (CAF) is implemented as a
+ * wrapper around the base SDK, and ditributed remotely, as
+ * opposed to within the cast extension.
+ */
+export const CAST_FRAMEWORK_SCRIPT_URL =
+    "https://www.gstatic.com/cast/sdk/libs/sender/1.0/cast_framework.js";