printers: Return a GPtrArray instead of GList

This makes the memory able to be managed with g_autoptr.
This fixes a memory leak where the job list was leaked if the operation was cancelled.
This commit is contained in:
Robert Ancell 2019-12-17 15:32:57 +13:00 committed by Robert Ancell
parent baed38e31c
commit 181a496a4e
4 changed files with 30 additions and 33 deletions

View file

@ -317,17 +317,18 @@ update_jobs_list_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
PpJobsDialog *self = user_data;
PpPrinter *printer = PP_PRINTER (source_object);
GtkWidget *clear_all_button;
GtkWidget *infobar;
GtkWidget *label;
GtkStack *stack;
g_autoptr(GError) error = NULL;
GList *jobs, *l;
PpJob *job;
gchar **auth_info_required = NULL;
gint num_of_jobs, num_of_auth_jobs = 0;
PpJobsDialog *self = user_data;
PpPrinter *printer = PP_PRINTER (source_object);
GtkWidget *clear_all_button;
GtkWidget *infobar;
GtkWidget *label;
GtkStack *stack;
g_autoptr(GError) error = NULL;
g_autoptr(GPtrArray) jobs;
PpJob *job;
gchar **auth_info_required = NULL;
gint num_of_auth_jobs = 0;
guint i;
g_list_store_remove_all (self->store);
@ -345,8 +346,7 @@ update_jobs_list_cb (GObject *source_object,
return;
}
num_of_jobs = g_list_length (jobs);
if (num_of_jobs > 0)
if (jobs->len > 0)
{
gtk_widget_set_sensitive (clear_all_button, TRUE);
gtk_stack_set_visible_child_name (stack, "list-jobs-page");
@ -357,11 +357,11 @@ update_jobs_list_cb (GObject *source_object,
gtk_stack_set_visible_child_name (stack, "no-jobs-page");
}
for (l = jobs; l != NULL; l = l->next)
for (i = 0; i < jobs->len; i++)
{
job = PP_JOB (l->data);
job = PP_JOB (g_ptr_array_index (jobs, i));
g_list_store_append (self->store, job);
g_list_store_append (self->store, g_object_ref (job));
g_object_get (G_OBJECT (job),
"auth-info-required", &auth_info_required,
@ -399,7 +399,6 @@ update_jobs_list_cb (GObject *source_object,
authenticate_popover_update (self);
g_list_free (jobs);
g_clear_object (&self->get_jobs_cancellable);
if (!self->jobs_filled)

View file

@ -568,18 +568,15 @@ get_jobs_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
PpPrinterEntry *self = user_data;
PpPrinter *printer = PP_PRINTER (source_object);
g_autoptr(GError) error = NULL;
GList *jobs;
g_autofree gchar *button_label = NULL;
gint num_jobs;
PpPrinterEntry *self = user_data;
PpPrinter *printer = PP_PRINTER (source_object);
g_autoptr(GError) error = NULL;
g_autoptr(GPtrArray) jobs = NULL;
g_autofree gchar *button_label = NULL;
jobs = pp_printer_get_jobs_finish (printer, result, &error);
num_jobs = g_list_length (jobs);
g_object_unref (source_object);
g_list_free_full (jobs, (GDestroyNotify) g_object_unref);
if (error != NULL)
{
@ -591,7 +588,7 @@ get_jobs_cb (GObject *source_object,
return;
}
if (num_jobs == 0)
if (jobs->len == 0)
{
/* Translators: This is the label of the button that opens the Jobs Dialog. */
button_label = g_strdup (_("No Active Jobs"));
@ -599,11 +596,11 @@ get_jobs_cb (GObject *source_object,
else
{
/* Translators: This is the label of the button that opens the Jobs Dialog. */
button_label = g_strdup_printf (ngettext ("%u Job", "%u Jobs", num_jobs), num_jobs);
button_label = g_strdup_printf (ngettext ("%u Job", "%u Jobs", jobs->len), jobs->len);
}
gtk_button_set_label (GTK_BUTTON (self->show_jobs_dialog_button), button_label);
gtk_widget_set_sensitive (self->show_jobs_dialog_button, num_jobs > 0);
gtk_widget_set_sensitive (self->show_jobs_dialog_button, jobs->len > 0);
if (self->pp_jobs_dialog != NULL)
{

View file

@ -301,7 +301,7 @@ get_jobs_thread (GTask *task,
ipp_t *printer_response;
gchar **auth_info_required = NULL;
g_autofree gchar *printer_name = NULL;
GList *list = NULL;
g_autoptr(GPtrArray) array = NULL;
gint num_jobs;
gint i, j;
@ -312,6 +312,7 @@ get_jobs_thread (GTask *task,
get_jobs_data->myjobs ? 1 : 0,
get_jobs_data->which_jobs);
array = g_ptr_array_new_with_free_func (g_object_unref);
for (i = 0; i < num_jobs; i++)
{
auth_info_is_required = FALSE;
@ -374,7 +375,7 @@ get_jobs_thread (GTask *task,
"auth-info-required", auth_info_is_required ? auth_info_required : NULL,
NULL);
list = g_list_append (list, job);
g_ptr_array_add (array, job);
}
g_strfreev (auth_info_required);
@ -382,7 +383,7 @@ get_jobs_thread (GTask *task,
if (g_task_set_return_on_cancel (task, FALSE))
{
g_task_return_pointer (task, list, (GDestroyNotify) g_list_free);
g_task_return_pointer (task, g_steal_pointer (&array), (GDestroyNotify) g_ptr_array_unref);
}
}
@ -408,7 +409,7 @@ pp_printer_get_jobs_async (PpPrinter *self,
g_object_unref (task);
}
GList *
GPtrArray *
pp_printer_get_jobs_finish (PpPrinter *self,
GAsyncResult *res,
GError **error)

View file

@ -60,7 +60,7 @@ void pp_printer_get_jobs_async (PpPrinter *printer,
GAsyncReadyCallback callback,
gpointer user_data);
GList *pp_printer_get_jobs_finish (PpPrinter *printer,
GPtrArray *pp_printer_get_jobs_finish (PpPrinter *printer,
GAsyncResult *res,
GError **error);