[A11y] Keyboard accelerators for toolbar buttons.

src/ui/popup.js

@@ -98,6 +98,20 @@ addEventListener("unload", e => {
         }
       }
 
+     let keyHandlers = {
+        "r": "reload",
+        "o": "options",
+        "p": "temp-trust-page",
+        "f": "revoke-temp",
+        "G": "enforce",
+        "T": "enforce-tab",
+      };
+
+      window.addEventListener("keydown", e => {
+        let buttonId = keyHandlers[e.key];
+        if (buttonId) document.getElementById(buttonId).click();
+      }, true);
+
       let navigate = e => {
         let sel = e.code === "ArrowUp" ? ":last-child" : "";
         document.querySelector(`.sites tr.site${sel} input.preset:checked`).focus();

src/ui/ui.js

@@ -497,7 +497,7 @@ var UI = (() => {
       customizer.classList.toggle("closed", false);
       let temp = preset.parentNode.querySelector("input.temp");
       customizer.onkeydown = e => {
-
+        if (e.shiftKey) return true;
         switch(e.code) {
           case "Tab":
             if (document.activeElement === lastInput) {