home: firefox: add ff2mpv

This allows watching videos using mpv via a simple button.

home/firefox/default.nix

@@ -11,6 +11,15 @@
         default = config.my.home.firefox.enable;
       };
     };
+
+    ff2mpv = {
+      enable = mkOption {
+        type = types.bool;
+        description = "ff2mpv configuration";
+        example = false;
+        default = config.my.home.mpv.enable;
+      };
+    };
   };
 
   imports = [

home/firefox/firefox.nix

@@ -10,6 +10,11 @@ in
       cfg = {
         enableTridactylNative = cfg.tridactyl.enable;
       };
+
+      extraNativeMessagingHosts = with pkgs; ([ ]
+        # Watch videos using mpv
+        ++ lib.optional cfg.ff2mpv.enable ambroisie.ff2mpv-go
+      );
     };
 
     profiles = {
@@ -35,13 +40,16 @@ in
       };
     };
 
-    extensions = with pkgs.nur.repos.rycee.firefox-addons; [
+    extensions = with pkgs.nur.repos.rycee.firefox-addons; ([
       bitwarden
       form-history-control
       https-everywhere
       i-dont-care-about-cookies
       reddit-enhancement-suite
       ublock-origin
-    ] ++ lib.optional (cfg.tridactyl.enable) tridactyl;
+    ]
+    ++ lib.optional (cfg.tridactyl.enable) tridactyl
+    ++ lib.optional (cfg.ff2mpv.enable) ff2mpv
+    );
   };
 }