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GPortalNotificationBackend: Get notification portal version

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Version 2 of the portal has a lot of additional features but we need to
check the version before sending new properties because version 1 would
fail with the new properties. New properties are added in a future commit.
This commit is contained in:
Julian Sparber 2024-11-05 18:51:29 +01:00
parent f5be07b755
commit 06c94b9edf
1 changed files with 114 additions and 10 deletions
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124
gio/gportalnotificationbackend.c
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@ -29,6 +29,7 @@
#include "gapplication.h"
#include "gnotification-private.h"
#include "gportalsupport.h"
#include "gtask.h"
#define G_TYPE_PORTAL_NOTIFICATION_BACKEND (g_portal_notification_backend_get_type ())
#define G_PORTAL_NOTIFICATION_BACKEND(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_PORTAL_NOTIFICATION_BACKEND, GPortalNotificationBackend))
@ -39,6 +40,8 @@ typedef GNotificationBackendClass GPortalNotificationBackendClass;
struct _GPortalNotificationBackend
{
GNotificationBackend parent;
guint version;
};
GType g_portal_notification_backend_get_type (void);
@ -48,6 +51,108 @@ G_DEFINE_TYPE_WITH_CODE (GPortalNotificationBackend, g_portal_notification_backe
g_io_extension_point_implement (G_NOTIFICATION_BACKEND_EXTENSION_POINT_NAME,
g_define_type_id, "portal", 110))
static void
get_properties_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
GTask *task = G_TASK (user_data);
GPortalNotificationBackend *backend = g_task_get_source_object (task);
GError *error = NULL;
GVariant *ret;
GVariant *vardict;
ret = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source_object), result, &error);
if (!ret)
{
g_task_return_error (task, g_steal_pointer (&error));
g_clear_object (&task);
return;
}
g_variant_get (ret, "(@a{sv})", &vardict);
if (!g_variant_lookup (vardict, "version", "u", &backend->version))
backend->version = 1;
g_task_return_boolean (task, TRUE);
g_clear_pointer (&ret, g_variant_unref);
g_clear_pointer (&vardict, g_variant_unref);
g_clear_object (&task);
}
static void
get_supported_features (GPortalNotificationBackend *backend,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
task = g_task_new (backend, NULL, callback, user_data);
g_task_set_source_tag (task, get_supported_features);
if (backend->version != 0)
{
g_task_return_boolean (task, TRUE);
g_clear_object (&task);
return;
}
g_dbus_connection_call (G_NOTIFICATION_BACKEND (backend)->dbus_connection,
"org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
"org.freedesktop.DBus.Properties",
"GetAll",
g_variant_new ("(s)", "org.freedesktop.portal.Notification"),
G_VARIANT_TYPE ("(a{sv})"),
G_DBUS_CALL_FLAGS_NONE,
-1,
g_task_get_cancellable (task),
get_properties_cb,
g_object_ref (task));
g_clear_object (&task);
}
static gboolean
get_supported_features_finish (GPortalNotificationBackend *backend,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (G_IS_NOTIFICATION_BACKEND (backend), FALSE);
g_return_val_if_fail (g_task_is_valid (result, backend), FALSE);
g_return_val_if_fail (g_task_get_source_tag (G_TASK (result)) == get_supported_features, FALSE);
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
get_supported_features_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
GPortalNotificationBackend *backend = G_PORTAL_NOTIFICATION_BACKEND (source_object);
GVariant *notification_serialized = user_data;
GError *error = NULL;
if (!get_supported_features_finish (backend, result, &error))
{
g_warning ("Failed to get notification portal version: %s", error->message);
g_clear_pointer (&error, g_error_free);
return;
}
g_dbus_connection_call (G_NOTIFICATION_BACKEND (backend)->dbus_connection,
"org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
"org.freedesktop.portal.Notification",
"AddNotification",
notification_serialized,
G_VARIANT_TYPE_UNIT,
G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
}
static GVariant *
serialize_buttons (GNotification *notification)
{
@ -163,16 +268,15 @@ g_portal_notification_backend_send_notification (GNotificationBackend *backend,
const gchar *id,
GNotification *notification)
{
g_dbus_connection_call (backend->dbus_connection,
"org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
"org.freedesktop.portal.Notification",
"AddNotification",
g_variant_new ("(s@a{sv})",
id,
serialize_notification (notification)),
G_VARIANT_TYPE_UNIT,
G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
GVariant *notification_serialized;
notification_serialized = g_variant_new ("(s@a{sv})",
id,
serialize_notification (notification));
get_supported_features (G_PORTAL_NOTIFICATION_BACKEND (backend),
get_supported_features_cb,
notification_serialized);
}
static void