zoom-us: allow to select xdg-desktop-portal packages (#403064)

nixos/modules/module-list.nix

@@ -357,6 +357,7 @@
   ./programs/ydotool.nix
   ./programs/yubikey-touch-detector.nix
   ./programs/zmap.nix
+  ./programs/zoom-us.nix
   ./programs/zoxide.nix
   ./programs/zsh/oh-my-zsh.nix
   ./programs/zsh/zsh-autoenv.nix

nixos/modules/programs/zoom-us.nix

@@ -0,0 +1,63 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  options.programs.zoom-us = {
+    enable = lib.mkEnableOption "zoom.us video conferencing application";
+    package = lib.mkPackageOption pkgs "zoom-us" { };
+  };
+
+  config.environment.systemPackages = lib.mkIf config.programs.zoom-us.enable (
+    lib.singleton (
+      # The pattern here is to use the already-overridden value, or provide a default based on the
+      # configuration elsewhere.
+      config.programs.zoom-us.package.override (prev: {
+        # Support pulseaudio if it's enabled on the system.
+        pulseaudioSupport = prev.pulseaudioSupport or config.services.pulseaudio.enable;
+
+        # Support Plasma 6 desktop environment if it's enabled on the system.
+        plasma6XdgDesktopPortalSupport =
+          prev.plasma6XdgDesktopPortalSupport or config.services.desktopManager.plasma6.enable;
+
+        # Support Plasma 5 desktop environment if it's enabled on the system.
+        plasma5XdgDesktopPortalSupport =
+          prev.plasma5XdgDesktopPortalSupport or config.services.xserver.desktopManager.plasma5.enable;
+
+        # Support LXQT desktop environment if it's enabled on the system.
+        # There's also `config.services.xserver.desktopManager.lxqt.enable`
+        lxqtXdgDesktopPortalSupport = prev.lxqtXdgDesktopPortalSupport or config.xdg.portal.lxqt.enable;
+
+        # Support GNOME desktop environment if it's enabled on the system.
+        gnomeXdgDesktopPortalSupport =
+          prev.gnomeXdgDesktopPortalSupport or config.services.xserver.desktopManager.gnome.enable;
+
+        # Support Hyprland desktop for Wayland if it's enabled on the system.
+        hyprlandXdgDesktopPortalSupport =
+          prev.hyprlandXdgDesktopPortalSupport or config.programs.hyprland.enable;
+
+        # Support `wlroots` XDG desktop portal support if it's enabled.
+        wlrXdgDesktopPortalSupport = prev.wlrXdgDesktopPortalSupport or config.xdg.portal.wlr.enable;
+
+        # Support xapp XDG desktop portals if the Cinnamon desktop environment is enabled.
+        # The site claims that it's also used for Xfce4 and MATE; consider adding those to the
+        # default in the future.
+        xappXdgDesktopPortalSupport =
+          prev.xappXdgDesktopPortalSupport or config.services.xserver.desktopManager.cinnamon.enable;
+
+        # Finally, if the `xdg.portal.enable` option is set somehow, use the `targetPkgs` function
+        # to add those relevant packages in.
+        targetPkgs =
+          prev.targetPkgs or (
+            pkgs:
+            lib.optionals config.xdg.portal.enable (
+              [ pkgs.xdg-desktop-portal ] ++ config.xdg.portal.extraPortals
+            )
+          );
+      })
+    )
+  );
+}

nixos/tests/all-tests.nix

@@ -1504,6 +1504,7 @@ in
   zipline = runTest ./zipline.nix;
   zoneminder = runTest ./zoneminder.nix;
   zookeeper = runTest ./zookeeper.nix;
+  zoom-us = runTest ./zoom-us.nix;
   zram-generator = runTest ./zram-generator.nix;
   zrepl = runTest ./zrepl.nix;
   zsh-history = runTest ./zsh-history.nix;

nixos/tests/zoom-us.nix

@@ -0,0 +1,18 @@
+{ hostPkgs, lib, ... }:
+{
+  name = "zoom-us";
+
+  nodes.machine =
+    { pkgs, ... }:
+    {
+      imports = [ ./common/x11.nix ];
+      programs.zoom-us.enable = true;
+    };
+
+  testScript = ''
+    machine.succeed("which zoom")  # fail early if this is missing
+    machine.wait_for_x()
+    machine.execute("zoom >&2 &")
+    machine.wait_for_window("Zoom Workplace")
+  '';
+}