#301 ssl makes no difference to Firefox?

html5/connect.html

@@ -620,6 +620,7 @@ <h4 class="panel-title">Advanced options</h4>
       const DEFAULT_ON = [
         "steal",
         "printing",
+        "clipboard",
         "file_transfer",
         "reconnect",
         "floating_menu",
@@ -1662,13 +1663,9 @@ <h4 class="panel-title">Advanced options</h4>
           "debug_audio",
           "debug_network",
         ];
-        const default_on = DEFAULT_ON.slice();
-        if (!(Utilities.isSafari() && ssl)) {
-          default_on.push("clipboard");
-        }
         for (let i = 0; i < bool_props.length; i++) {
           const prop = bool_props[i];
-          const def = default_on.includes(prop);
+          const def = DEFAULT_ON.includes(prop);
           document.getElementById(prop).checked = getboolparam(prop, def);
         }
         //scroll_reverse_y has 3 options: Yes, No, Auto

html5/index.html

@@ -776,11 +776,14 @@ <h2>Xpra Bug Report</h2>
         const ignore_audio_blacklist = getboolparam("ignore_audio_blacklist", false);
         const keyboard = getboolparam("keyboard", Utilities.isMobile());
         // Some browsers trigger ugly popups if we try to read the clipboard
-        // (only enabled with ssl contexts)
         // Safari: https://github.com/Xpra-org/xpra-html5/issues/226
         // Firefox: https://github.com/Xpra-org/xpra-html5/issues/301
         const clipboard = getboolparam("clipboard", true);
-        const clipboard_poll = getboolparam("clipboard_poll", ssl || !(Utilities.isSafari() || Utilities.isFirefox()));
+        const cpoll = !Utilities.isFirefox();
+        if (Utilities.isSafari()) {
+          cpoll = !ssl;
+        }
+        const clipboard_poll = getboolparam("clipboard_poll", cpoll);
         const printing = getboolparam("printing", true);
         const file_transfer = getboolparam("file_transfer", true);
         const steal = getboolparam("steal", true);