1 files changed, 26 insertions, 0 deletions
diff --git a/background.js b/background.js
new file mode 100644
index 0000000..5c793e1
--- /dev/null
+++ b/background.js
@@ -0,0 +1,26 @@
+function isCompatible(version) {
+  let [ major, minor , patch ] = version.split(".").map(e => parseInt(e,10));
+  return (
+    major > 102 || 
+    (major == 102 && minor > 3) ||
+    (major == 102 && minor == 3 && patch > 2)
+  );
+}
+
+async function main() {
+  let { version } = await browser.runtime.getBrowserInfo();
+  if (isCompatible(version)) {
+    await messenger.BootstrapLoader.registerChromeUrl([ ["content", "dav4tbsync", "content/"] ]);
+    await messenger.BootstrapLoader.registerBootstrapScript("chrome://dav4tbsync/content/bootstrap.js");  
+  } else {
+    let manifest = browser.runtime.getManifest();
+    browser.notifications.create({
+      type: "basic",
+      iconUrl: browser.runtime.getURL("content/skin/sabredav32.png"),
+      title: `${manifest.name}`,
+      message: "Please update Thunderbird to at least 102.3.3 to be able to use this provider.",
+    });
+  }
+}
+
+main();