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gdesktopappinfo: Emit "launched" and "launch-failed" signals for DBus activation too

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When using g_desktop_app_info_launch_uris_as_manager the "launched"
signal allows to map a desktop-startup-id to a GAppInfo. Make this
possible for DBus activation too.

Since we don't have a PID there we pass a 0. Update the signal
description accordingly.
This commit is contained in:
Guido Günther 2021-08-19 12:15:27 +02:00
parent bd7a3e2561
commit 5890b2bdea
2 changed files with 77 additions and 2 deletions
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4
gio/gappinfo.c
View File

@ -1172,6 +1172,10 @@ g_app_launch_context_class_init (GAppLaunchContextClass *klass)
* platform-specific data about this launch. On UNIX, at least the
* `pid` and `startup-notification-id` keys will be present.
*
* Since 2.72 the `pid` may be 0 if the process id wasn't known (for
* example if the process was launched via D-Bus). The `pid` may not be
* set at all in subsequent releases.
*
* Since: 2.36
*/
signals[LAUNCHED] = g_signal_new (I_("launched"),

75
gio/gdesktopappinfo.c
View File

@ -2959,6 +2959,64 @@ g_desktop_app_info_make_platform_data (GDesktopAppInfo *info,
return g_variant_builder_end (&builder);
}
typedef struct
{
GDesktopAppInfo *info; /* (owned) */
GAppLaunchContext *launch_context; /* (owned) (nullable) */
GAsyncReadyCallback callback;
gchar *startup_id; /* (owned) */
gpointer user_data;
} LaunchUrisWithDBusData;
static void
launch_uris_with_dbus_data_free (LaunchUrisWithDBusData *data)
{
g_clear_object (&data->info);
g_clear_object (&data->launch_context);
g_free (data->startup_id);
g_free (data);
}
static void
launch_uris_with_dbus_signal_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
LaunchUrisWithDBusData *data = user_data;
GVariantBuilder builder;
if (data->launch_context)
{
if (g_task_had_error (G_TASK (result)))
g_app_launch_context_launch_failed (data->launch_context, data->startup_id);
else
{
GVariant *platform_data;
g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY);
/* the docs guarantee `pid` will be set, but we can’t
* easily know it for a D-Bus process, so set it to zero */
g_variant_builder_add (&builder, "{sv}", "pid", g_variant_new_int32 (0));
if (data->startup_id)
g_variant_builder_add (&builder, "{sv}",
"startup-notification-id",
g_variant_new_string (data->startup_id));
platform_data = g_variant_ref_sink (g_variant_builder_end (&builder));
g_signal_emit_by_name (data->launch_context,
"launched",
data->info,
platform_data);
g_variant_unref (platform_data);
}
}
if (data->callback)
data->callback (object, result, data->user_data);
launch_uris_with_dbus_data_free (data);
}
static void
launch_uris_with_dbus (GDesktopAppInfo *info,
GDBusConnection *session_bus,
@ -2968,8 +3026,11 @@ launch_uris_with_dbus (GDesktopAppInfo *info,
GAsyncReadyCallback callback,
gpointer user_data)
{
GVariant *platform_data;
GVariantBuilder builder;
GVariantDict dict;
gchar *object_path;
LaunchUrisWithDBusData *data;
g_variant_builder_init (&builder, G_VARIANT_TYPE_TUPLE);
@ -2983,13 +3044,23 @@ launch_uris_with_dbus (GDesktopAppInfo *info,
g_variant_builder_close (&builder);
}
g_variant_builder_add_value (&builder, g_desktop_app_info_make_platform_data (info, uris, launch_context));
platform_data = g_desktop_app_info_make_platform_data (info, uris, launch_context);
g_variant_builder_add_value (&builder, platform_data);
object_path = object_path_from_appid (info->app_id);
data = g_new0 (LaunchUrisWithDBusData, 1);
data->info = g_object_ref (info);
data->callback = callback;
data->user_data = user_data;
data->launch_context = launch_context ? g_object_ref (launch_context) : NULL;
g_variant_dict_init (&dict, platform_data);
g_variant_dict_lookup (&dict, "desktop-startup-id", "s", &data->startup_id);
g_dbus_connection_call (session_bus, info->app_id, object_path, "org.freedesktop.Application",
uris ? "Open" : "Activate", g_variant_builder_end (&builder),
NULL, G_DBUS_CALL_FLAGS_NONE, -1,
cancellable, callback, user_data);
cancellable, launch_uris_with_dbus_signal_cb, g_steal_pointer (&data));
g_free (object_path);
}