workaround for brave, wait till we get focus

leetray/LeetRay.user.js

@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         LeetRay
 // @namespace    http://tampermonkey.net/
-// @version      2023-01-04T01:21:05+05:30
+// @version      2023-01-05T01:00:39+05:30
 // @description  Take beautiful screenshots of your code in Leetcode instantly with Ray.so
 // @updateURL    https://git.sangeeth.dev/x/userscripts/raw/branch/main/leetray/LeetRay.user.js
 // @downloadURL    https://git.sangeeth.dev/x/userscripts/raw/branch/main/leetray/LeetRay.user.js
@@ -16,6 +16,7 @@
 // @grant        GM_log
 // @grant        GM_getTab
 // @grant        GM_setValue
+// @grant        GM_getValue
 // @grant        GM_addValueChangeListener
 // @grant        GM_removeValueChangeListener
 // @grant        unsafeWindow
@@ -53,6 +54,18 @@
     });
   }
 
+  async function waitTillFocused() {
+    return new Promise((resolve) => {
+      setTimeout(function check() {
+        if (document.visibilityState === "visible") {
+          resolve();
+        } else {
+          setTimeout(check, 500);
+        }
+      }, 500);
+    });
+  }
+
   function debug(stuff) {
     GM_log(`LeetRay    DEBUG    ${stuff}`);
   }
@@ -61,6 +74,16 @@
     GM_log(`LeetRay    ERROR    ${stuff}`);
   }
 
+  async function isClipboardAllowedForRobots() {
+    try {
+      await navigator.clipboard.writeText("");
+      return true;
+    } catch (e) {
+      error(e);
+      return false;
+    }
+  }
+
   function leetcodeMain() {
     const menu_command_id = GM_registerMenuCommand(
       "Copy screenshot",
@@ -117,7 +140,9 @@
 
         await waitForRaysoExit();
 
-        window.focus();
+        if (GM_getValue("leetray.clip")) {
+          window.focus();
+        }
 
         handler.onclose = () => {
           alert("Copied screenshot");
@@ -140,11 +165,19 @@
     let id = GM_addValueChangeListener("leetray.screenshot", async () => {
       window.focus();
 
+      await waitTillFocused();
+
+      const cbAllowed = await isClipboardAllowedForRobots();
+
       await raysoCopyScreenshot();
 
       GM_removeValueChangeListener(id);
       GM_setValue("leetray.rayso.exit", Date.now());
-      uwindow.close();
+      GM_setValue("leetray.clip", cbAllowed);
+
+      if (cbAllowed) {
+        uwindow.close();
+      }
     });
   }