From c185555f5a10ad132590264598f7466e261761a4 Mon Sep 17 00:00:00 2001 From: Adam Williamson Date: Mon, 10 Apr 2023 08:54:20 -0700 Subject: [PATCH] Backport MR #985 to help with apps launching slow on KDE (#2176759) --- 985.patch | 305 ++++++++++++++++++++++++++++++++++++++++ xdg-desktop-portal.spec | 4 + 2 files changed, 309 insertions(+) create mode 100644 985.patch diff --git a/985.patch b/985.patch new file mode 100644 index 0000000..86ed7e3 --- /dev/null +++ b/985.patch @@ -0,0 +1,305 @@ +From bbcf5110d83147a552ad40841a733b49633e9208 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Jonas=20=C3=85dahl?= +Date: Mon, 13 Mar 2023 12:38:17 +0100 +Subject: [PATCH] portal-impl: Only return found implementation if it launched + +If no portal backend for a given interface is found, a fallback is +always tried anyway, despite that fallback not being listed as +compatible with the current desktop environment. + +Sometimes it's good that a fallback is returned; e.g. the +xdg-desktop-portal-gtk file chooser backend is technically usable +anywhere, however, some backends might be specifically designed to only +work in a specific desktop environment, e.g. xdg-desktop-portal-gnome. + +In order to avoid creating portals with non-functional backends, make +sure it's possible to create a proxy object for the interface and D-Bus +name, and that it launched successfully (i.e. has no name owner after +creating the proxy). +--- + src/portal-impl.c | 67 +++++++++++++++++++++++++++++++++++++--- + src/portal-impl.h | 5 ++- + src/xdg-desktop-portal.c | 51 ++++++++++++++++++++---------- + 3 files changed, 101 insertions(+), 22 deletions(-) + +diff --git a/src/portal-impl.c b/src/portal-impl.c +index a55ba9e5..0b535d1e 100644 +--- a/src/portal-impl.c ++++ b/src/portal-impl.c +@@ -29,9 +29,12 @@ + #include + #include + ++#include "xdp-utils.h" ++ + static void + portal_implementation_free (PortalImplementation *impl) + { ++ g_clear_pointer (&impl->dummy_proxies, g_hash_table_unref); + g_free (impl->source); + g_free (impl->dbus_name); + g_strfreev (impl->interfaces); +@@ -55,6 +58,10 @@ register_portal (const char *path, gboolean opt_verbose, GError **error) + if (!g_key_file_load_from_file (keyfile, path, G_KEY_FILE_NONE, error)) + return FALSE; + ++ impl->dummy_proxies = g_hash_table_new_full (g_str_hash, ++ g_str_equal, ++ g_free, ++ g_object_unref); + impl->source = g_path_get_basename (path); + impl->dbus_name = g_key_file_get_string (keyfile, "portal", "DBusName", error); + if (impl->dbus_name == NULL) +@@ -198,8 +205,44 @@ load_installed_portals (gboolean opt_verbose) + implementations = g_list_sort (implementations, sort_impl_by_use_in_and_name); + } + ++static gboolean ++create_dummy_proxy (PortalImplementation *impl, ++ GDBusConnection *connection, ++ const char *interface, ++ GError **error) ++{ ++ g_autoptr(GDBusProxy) proxy = NULL; ++ ++ g_debug ("Creating dummy proxy for %s on %s", interface, impl->dbus_name); ++ proxy = g_dbus_proxy_new_sync (connection, ++ G_DBUS_PROXY_FLAGS_NONE, ++ NULL, ++ impl->dbus_name, ++ DESKTOP_PORTAL_OBJECT_PATH, ++ interface, ++ NULL, ++ error); ++ if (!proxy) ++ return FALSE; ++ ++ if (!g_dbus_proxy_get_name_owner (proxy)) ++ { ++ g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, ++ "Proxy has no owner"); ++ return FALSE; ++ } ++ ++ g_debug ("Dummy proxy created"); ++ ++ g_hash_table_insert (impl->dummy_proxies, ++ g_strdup (interface), ++ g_steal_pointer (&proxy)); ++ return TRUE; ++} ++ + PortalImplementation * +-find_portal_implementation (const char *interface) ++find_portal_implementation (GDBusConnection *connection, ++ const char *interface) + { + const char *desktops_str = g_getenv ("XDG_CURRENT_DESKTOP"); + g_auto(GStrv) desktops = NULL; +@@ -216,15 +259,23 @@ find_portal_implementation (const char *interface) + for (l = implementations; l != NULL; l = l->next) + { + PortalImplementation *impl = l->data; ++ g_autoptr(GError) error = NULL; + + if (!g_strv_contains ((const char **)impl->interfaces, interface)) + continue; + +- if (g_strv_case_contains ((const char **)impl->use_in, desktops[i])) ++ if (!g_strv_case_contains ((const char **)impl->use_in, desktops[i])) ++ continue; ++ ++ if (!create_dummy_proxy (impl, connection, interface, &error)) + { +- g_debug ("Using %s for %s in %s", impl->source, interface, desktops[i]); +- return impl; ++ g_debug ("Failed to create dummy proxy on %s for %s: %s", ++ impl->dbus_name, interface, error->message); ++ continue; + } ++ ++ g_debug ("Using %s for %s in %s", impl->source, interface, desktops[i]); ++ return impl; + } + } + +@@ -232,10 +283,18 @@ find_portal_implementation (const char *interface) + for (l = implementations; l != NULL; l = l->next) + { + PortalImplementation *impl = l->data; ++ g_autoptr(GError) error = NULL; + + if (!g_strv_contains ((const char **)impl->interfaces, interface)) + continue; + ++ if (!create_dummy_proxy (impl, connection, interface, &error)) ++ { ++ g_debug ("Failed to create dummy fallback proxy on %s for %s: %s", ++ impl->dbus_name, interface, error->message); ++ continue; ++ } ++ + g_debug ("Falling back to %s for %s", impl->source, interface); + return impl; + } +diff --git a/src/portal-impl.h b/src/portal-impl.h +index a5d792d3..63705a7b 100644 +--- a/src/portal-impl.h ++++ b/src/portal-impl.h +@@ -23,6 +23,7 @@ + #define __PORTAL_IMPL_H__ + + #include ++#include + + typedef struct { + char *source; +@@ -30,10 +31,12 @@ typedef struct { + char **interfaces; + char **use_in; + int priority; ++ GHashTable *dummy_proxies; + } PortalImplementation; + + void load_installed_portals (gboolean opt_verbose); +-PortalImplementation *find_portal_implementation (const char *interface); ++PortalImplementation *find_portal_implementation (GDBusConnection *connection, ++ const char *interface); + GPtrArray *find_all_portal_implementations (const char *interface); + + #endif /* __PORTAL_IMPL_H__ */ +diff --git a/src/xdg-desktop-portal.c b/src/xdg-desktop-portal.c +index 065ce502..04f4081e 100644 +--- a/src/xdg-desktop-portal.c ++++ b/src/xdg-desktop-portal.c +@@ -237,7 +237,8 @@ on_bus_acquired (GDBusConnection *connection, + init_document_proxy (connection); + init_permission_store (connection); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.Lockdown"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Lockdown"); + if (implementation != NULL) + lockdown = xdp_dbus_impl_lockdown_proxy_new_sync (connection, + G_DBUS_PROXY_FLAGS_NONE, +@@ -259,40 +260,48 @@ on_bus_acquired (GDBusConnection *connection, + export_portal_implementation (connection, settings_create (connection, impls)); + g_ptr_array_free (impls, TRUE); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.FileChooser"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.FileChooser"); + if (implementation != NULL) + export_portal_implementation (connection, + file_chooser_create (connection, implementation->dbus_name, lockdown)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.AppChooser"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.AppChooser"); + if (implementation != NULL) + export_portal_implementation (connection, + open_uri_create (connection, implementation->dbus_name, lockdown)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.Print"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Print"); + if (implementation != NULL) + export_portal_implementation (connection, + print_create (connection, implementation->dbus_name, lockdown)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.Notification"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Notification"); + if (implementation != NULL) + export_portal_implementation (connection, + notification_create (connection, implementation->dbus_name)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.Inhibit"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Inhibit"); + if (implementation != NULL) + export_portal_implementation (connection, + inhibit_create (connection, implementation->dbus_name)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.Access"); +- implementation2 = find_portal_implementation ("org.freedesktop.impl.portal.Screenshot"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Access"); ++ implementation2 = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Screenshot"); + if (implementation != NULL && implementation2 != NULL) + export_portal_implementation (connection, + screenshot_create (connection, + implementation->dbus_name, + implementation2->dbus_name)); + +- implementation2 = find_portal_implementation ("org.freedesktop.impl.portal.Background"); ++ implementation2 = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Background"); + if (implementation != NULL) + { + export_portal_implementation (connection, +@@ -313,47 +322,55 @@ on_bus_acquired (GDBusConnection *connection, + implementation->dbus_name, + implementation2->dbus_name)); + +- implementation2 = find_portal_implementation ("org.freedesktop.impl.portal.Wallpaper"); ++ implementation2 = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Wallpaper"); + if (implementation != NULL && implementation2 != NULL) + export_portal_implementation (connection, + wallpaper_create (connection, + implementation->dbus_name, + implementation2->dbus_name)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.Account"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Account"); + if (implementation != NULL) + export_portal_implementation (connection, + account_create (connection, implementation->dbus_name)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.Email"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Email"); + if (implementation != NULL) + export_portal_implementation (connection, + email_create (connection, implementation->dbus_name)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.Secret"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.Secret"); + if (implementation != NULL) + export_portal_implementation (connection, + secret_create (connection, implementation->dbus_name)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.GlobalShortcuts"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.GlobalShortcuts"); + if (implementation != NULL) + export_portal_implementation (connection, + global_shortcuts_create (connection, implementation->dbus_name)); + + #ifdef HAVE_GLIB_2_66 +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.DynamicLauncher"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.DynamicLauncher"); + if (implementation != NULL) + export_portal_implementation (connection, + dynamic_launcher_create (connection, implementation->dbus_name)); + #endif + + #ifdef HAVE_PIPEWIRE +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.ScreenCast"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.ScreenCast"); + if (implementation != NULL) + export_portal_implementation (connection, + screen_cast_create (connection, implementation->dbus_name)); + +- implementation = find_portal_implementation ("org.freedesktop.impl.portal.RemoteDesktop"); ++ implementation = find_portal_implementation (connection, ++ "org.freedesktop.impl.portal.RemoteDesktop"); + if (implementation != NULL) + export_portal_implementation (connection, + remote_desktop_create (connection, implementation->dbus_name)); diff --git a/xdg-desktop-portal.spec b/xdg-desktop-portal.spec index 3ed9654..083a4fd 100644 --- a/xdg-desktop-portal.spec +++ b/xdg-desktop-portal.spec @@ -11,6 +11,10 @@ Summary: Portal frontend service to flatpak License: LGPLv2+ URL: https://github.com/flatpak/xdg-desktop-portal/ Source0: https://github.com/flatpak/xdg-desktop-portal/releases/download/%{version}/%{name}-%{version}.tar.xz +# https://bugzilla.redhat.com/show_bug.cgi?id=2176759 +# https://github.com/flatpak/xdg-desktop-portal/pull/985 +# Help fix apps hanging on start in KDE with GNOME portal installed +Patch0: 985.patch BuildRequires: gcc BuildRequires: gettext