Backport MR #78 to help with apps launching slow on KDE (#2176759)

78.patch

@@ -0,0 +1,56 @@
+From deb46a4d5ce170e33a9a999def5457375eef122f Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
+Date: Thu, 9 Mar 2023 18:22:30 +0100
+Subject: [PATCH] systemd: Launch after gnome-session-initialized.target
+
+This means we can rely on various entities being there on the D-Bus thus
+won't need to manually wait for them.
+---
+ data/xdg-desktop-portal-gnome.service.in |  1 +
+ src/externalwindow-wayland.c             | 12 ------------
+ 2 files changed, 1 insertion(+), 12 deletions(-)
+
+diff --git a/data/xdg-desktop-portal-gnome.service.in b/data/xdg-desktop-portal-gnome.service.in
+index 62ff2f9..8fc2e1a 100644
+--- a/data/xdg-desktop-portal-gnome.service.in
++++ b/data/xdg-desktop-portal-gnome.service.in
+@@ -1,5 +1,6 @@
+ [Unit]
+ Description=Portal service (GNOME implementation)
++After=gnome-session-initialized.target
+ 
+ [Service]
+ Type=dbus
+diff --git a/src/externalwindow-wayland.c b/src/externalwindow-wayland.c
+index b09d8a0..88be4c8 100644
+--- a/src/externalwindow-wayland.c
++++ b/src/externalwindow-wayland.c
+@@ -263,7 +263,6 @@ on_service_channel_name_appeared (GDBusConnection *connection,
+ GdkDisplay *
+ init_external_window_wayland_display (GError **error)
+ {
+-  guint watch_name_id;
+   gboolean name_appeared = FALSE;
+   g_autoptr(OrgGnomeMutterServiceChannel) proxy = NULL;
+   g_autoptr(GVariant) fd_variant = NULL;
+@@ -272,17 +271,6 @@ init_external_window_wayland_display (GError **error)
+   g_autofree char *fd_str = NULL;
+   GdkDisplay *display;
+ 
+-  watch_name_id =
+-    g_bus_watch_name (G_BUS_TYPE_SESSION,
+-                      "org.gnome.Mutter.ServiceChannel",
+-                      G_BUS_NAME_WATCHER_FLAGS_NONE,
+-                      on_service_channel_name_appeared,
+-                      NULL,
+-                      &name_appeared, NULL);
+-  while (!name_appeared)
+-    g_main_context_iteration (NULL, TRUE);
+-  g_bus_unwatch_name (watch_name_id);
+-
+   proxy = org_gnome_mutter_service_channel_proxy_new_for_bus_sync (
+     G_BUS_TYPE_SESSION,
+     (G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START |
+-- 
+GitLab
+

xdg-desktop-portal-gnome.spec

@@ -10,6 +10,10 @@ Summary:        Backend implementation for xdg-desktop-portal using GNOME
 License:        LGPL-2.1-or-later
 URL:            https://gitlab.gnome.org/GNOME/%{name}
 Source0:        https://download.gnome.org/sources/%{name}/44/%{name}-%{tarball_version}.tar.xz
+# https://bugzilla.redhat.com/show_bug.cgi?id=2176759
+# https://gitlab.gnome.org/GNOME/xdg-desktop-portal-gnome/-/merge_requests/78
+# Help fix apps hanging on start in KDE with GNOME portal installed
+Patch0:         78.patch
 
 BuildRequires:  desktop-file-utils
 BuildRequires:  gcc