static void
thunar_uca_provider_child_watch (GPid pid,
gint status,
gpointer user_data)
{
ThunarUcaProvider *uca_provider = THUNAR_UCA_PROVIDER (user_data);
ThunarVfsMonitor *monitor;
ThunarVfsPath *path;
GDK_THREADS_ENTER ();
/* verify that we still have a valid child_watch_path */
if (G_LIKELY (uca_provider->child_watch_path != NULL))
{
/* determine the corresponding ThunarVfsPath */
path = thunar_vfs_path_new (uca_provider->child_watch_path, NULL);
if (G_LIKELY (path != NULL))
{
/* schedule a changed notification on the path */
monitor = thunar_vfs_monitor_get_default ();
thunar_vfs_monitor_feed (monitor, THUNAR_VFS_MONITOR_EVENT_CHANGED, path);
g_object_unref (G_OBJECT (monitor));
/* release the ThunarVfsPath */
thunar_vfs_path_unref (path);
}
}
/* need to cleanup */
g_spawn_close_pid (pid);
GDK_THREADS_LEAVE ();
}
static void
thunar_uca_provider_child_watch_destroy (gpointer user_data,
GClosure *closure)
{
ThunarUcaProvider *uca_provider = THUNAR_UCA_PROVIDER (user_data);
GClosure *child_watch;
/* leave if the closure is not the one we're watching */
if (uca_provider->child_watch == closure
|| closure == NULL)
{
/* reset child watch and path */
if (G_UNLIKELY (uca_provider->child_watch != NULL))
{
child_watch = uca_provider->child_watch;
uca_provider->child_watch = NULL;
g_closure_invalidate (child_watch);
g_closure_unref (child_watch);
}
g_free (uca_provider->child_watch_path);
uca_provider->child_watch_path = NULL;
}
}
static void
thunar_uca_provider_child_watch_destroy (gpointer user_data)
{
ThunarUcaProvider *uca_provider = THUNAR_UCA_PROVIDER (user_data);
/* reset child watch id and path */
g_free (uca_provider->child_watch_path);
uca_provider->child_watch_path = NULL;
uca_provider->child_watch_id = -1;
}
static void
thunar_uca_provider_finalize (GObject *object)
{
ThunarUcaProvider *uca_provider = THUNAR_UCA_PROVIDER (object);
/* give up maintaince of any pending child watch */
thunar_uca_provider_child_watch_destroy (uca_provider, NULL);
/* drop our reference on the model */
g_object_unref (G_OBJECT (uca_provider->model));
(*G_OBJECT_CLASS (thunar_uca_provider_parent_class)->finalize) (object);
}
static void
thunar_uca_provider_finalize (GObject *object)
{
ThunarUcaProvider *uca_provider = THUNAR_UCA_PROVIDER (object);
GSource *source;
/* give up maintaince of any pending child watch */
if (G_UNLIKELY (uca_provider->child_watch_id >= 0))
{
/* reset the callback function to g_spawn_close_pid() so the plugin can be
* safely unloaded and the child will still not become a zombie afterwards.
* This also resets the child_watch_id and child_watch_path properties.
*/
source = g_main_context_find_source_by_id (NULL, uca_provider->child_watch_id);
g_source_set_callback (source, (GSourceFunc) g_spawn_close_pid, NULL, NULL);
}
/* drop our reference on the model */
g_object_unref (G_OBJECT (uca_provider->model));
(*G_OBJECT_CLASS (thunar_uca_provider_parent_class)->finalize) (object);
}
static GList*
thunar_uca_provider_get_file_actions (ThunarxMenuProvider *menu_provider,
GtkWidget *window,
GList *files)
{
GtkTreeRowReference *row;
ThunarUcaProvider *uca_provider = THUNAR_UCA_PROVIDER (menu_provider);
ThunarUcaContext *uca_context = NULL;
GtkTreeIter iter;
GtkAction *action;
GList *actions = NULL;
GList *paths;
GList *lp;
gchar *stock_id;
gchar *tooltip;
gchar *label;
gchar *name;
paths = thunar_uca_model_match (uca_provider->model, files);
for (lp = g_list_last (paths); lp != NULL; lp = lp->prev)
{
/* try to lookup the tree iter for the specified tree path */
if (gtk_tree_model_get_iter (GTK_TREE_MODEL (uca_provider->model), &iter, lp->data))
{
/* determine the label, tooltip and stock-id for the item */
gtk_tree_model_get (GTK_TREE_MODEL (uca_provider->model), &iter,
THUNAR_UCA_MODEL_COLUMN_NAME, &label,
THUNAR_UCA_MODEL_COLUMN_STOCK_ID, &stock_id,
THUNAR_UCA_MODEL_COLUMN_DESCRIPTION, &tooltip,
-1);
/* generate a unique action name */
name = g_strdup_printf ("ThunarUca::action-%d", ++uca_provider->last_action_id);
/* create the new action with the given parameters */
action = gtk_action_new (name, label, tooltip, stock_id);
/* grab a tree row reference on the given path */
row = gtk_tree_row_reference_new (GTK_TREE_MODEL (uca_provider->model), lp->data);
g_object_set_qdata_full (G_OBJECT (action), thunar_uca_row_quark, row,
(GDestroyNotify) gtk_tree_row_reference_free);
/* allocate a new context on-demand */
if (G_LIKELY (uca_context == NULL))
uca_context = thunar_uca_context_new (window, files);
else
uca_context = thunar_uca_context_ref (uca_context);
g_object_set_qdata_full (G_OBJECT (action), thunar_uca_context_quark, uca_context, (GDestroyNotify) thunar_uca_context_unref);
/* connect the "activate" signal */
g_signal_connect_data (G_OBJECT (action), "activate", G_CALLBACK (thunar_uca_provider_activated),
g_object_ref (G_OBJECT (uca_provider)), (GClosureNotify) g_object_unref,
G_CONNECT_SWAPPED);
/* add the action to the return list */
actions = g_list_prepend (actions, action);
/* cleanup */
g_free (stock_id);
g_free (tooltip);
g_free (label);
g_free (name);
}
/* release the tree path */
gtk_tree_path_free (lp->data);
}
g_list_free (paths);
return actions;
}
