Fixed shortcut and context menu doing nothing unless browserAction icon is visible on Firefox (issue #58).

src/bg/main.js

@@ -54,19 +54,23 @@
   };
 
   let Commands = {
-    openPageUI() {
+    async openPageUI() {
+      if (ns.popupOpening) return;
+      ns.popupOpening = true;
+      ns.popupOpened = false;
+      let openPanel = async () => {
+        ns.popupOpening = false;
+        if (ns.popupOpened) return;
+        messageHandler.openStandalonePopup();
+      };
       try {
-        browser.browserAction.openPopup();
+        await browser.browserAction.openPopup();
+        setTimeout(openPanel, 500);
         return;
       } catch (e) {
+        openPanel();
         debug(e);
       }
-      browser.windows.create({
-        url: popupURL,
-        width: 800,
-        height: 600,
-        type: "panel"
-      });
     },
 
     togglePermissions() {},

src/bg/popupHandler.js

@@ -1,5 +1,6 @@
 browser.runtime.onConnect.addListener(port => {
   if (port.name === "noscript.popup") {
+    ns.popupOpened = true;
     let pendingReload = false;
     let tabId = -1;
     port.onMessage.addListener(m => {
@@ -9,6 +10,7 @@ browser.runtime.onConnect.addListener(port => {
       }
     });
     port.onDisconnect.addListener(() => {
+      ns.popupOpened = false;
       if (pendingReload) {
         browser.tabs.reload(tabId);
       }

src/ui/popup.js

@@ -43,10 +43,9 @@ addEventListener("unload", e => {
       tabId = tab.id;
     }
 
-
+    let port = browser.runtime.connect({name: "noscript.popup"});
     await UI.init(tabId);
 
-    let port = browser.runtime.connect({name: "noscript.popup"})
     function pendingReload(b) {
       try {
         port.postMessage({tabId, pendingReload: b});