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GtkMenuTracker: cache result of hash lookup

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Remove a hash lookup from the separator sync logic (which is run every
time we change a menu).  Instead, we do the lookup when creating the
section and cache the result.

This refactor will also help us in a future commit to add support for
hiding menu items based on missing actions.

https://bugzilla.gnome.org/show_bug.cgi?id=688421
This commit is contained in:
Ryan Lortie 2014-01-03 16:13:01 -05:00
parent 75ef6096c1
commit fb14a78271
1 changed files with 16 additions and 6 deletions
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22
gtk/gtkmenutracker.c
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@ -75,6 +75,7 @@ struct _GtkMenuTrackerSection
GSList *items;
gchar *action_namespace;
guint separator_label : 1;
guint with_separators : 1;
guint has_separator : 1;
@ -84,6 +85,7 @@ struct _GtkMenuTrackerSection
static GtkMenuTrackerSection * gtk_menu_tracker_section_new (GtkMenuTracker *tracker,
GMenuModel *model,
gboolean with_separators,
gboolean separator_label,
gint offset,
const gchar *action_namespace);
static void gtk_menu_tracker_section_free (GtkMenuTrackerSection *section);
@ -177,11 +179,13 @@ gtk_menu_tracker_section_sync_separators (GtkMenuTrackerSection *section,
{
gboolean could_have_separator;
could_have_separator = (section->with_separators && n_items > 0) ||
g_menu_model_get_item_attribute (section->model, i, "label", "s", NULL);
could_have_separator = (section->with_separators && n_items > 0) || subsection->separator_label;
/* Only pass the parent_model and parent_index in case they may be used to create the separator. */
n_items += gtk_menu_tracker_section_sync_separators (subsection, tracker, offset + n_items,
could_have_separator, section->model, i);
could_have_separator,
could_have_separator ? section->model : NULL,
could_have_separator ? i : 0);
}
else
n_items++;
@ -277,6 +281,10 @@ gtk_menu_tracker_add_items (GtkMenuTracker *tracker,
{
GtkMenuTrackerSection *subsection;
gchar *action_namespace = NULL;
gboolean has_label;
has_label = g_menu_model_get_item_attribute (model, position + n_items,
G_MENU_ATTRIBUTE_LABEL, "s", NULL);
g_menu_model_get_item_attribute (model, position + n_items,
G_MENU_ATTRIBUTE_ACTION_NAMESPACE, "s", &action_namespace);
@ -286,11 +294,11 @@ gtk_menu_tracker_add_items (GtkMenuTracker *tracker,
gchar *namespace;
namespace = g_strjoin (".", section->action_namespace, action_namespace, NULL);
subsection = gtk_menu_tracker_section_new (tracker, submenu, FALSE, offset, namespace);
subsection = gtk_menu_tracker_section_new (tracker, submenu, FALSE, has_label, offset, namespace);
g_free (namespace);
}
else
subsection = gtk_menu_tracker_section_new (tracker, submenu, FALSE, offset, action_namespace);
subsection = gtk_menu_tracker_section_new (tracker, submenu, FALSE, has_label, offset, action_namespace);
*change_point = g_slist_prepend (*change_point, subsection);
g_free (action_namespace);
@ -377,6 +385,7 @@ static GtkMenuTrackerSection *
gtk_menu_tracker_section_new (GtkMenuTracker *tracker,
GMenuModel *model,
gboolean with_separators,
gboolean separator_label,
gint offset,
const gchar *action_namespace)
{
@ -386,6 +395,7 @@ gtk_menu_tracker_section_new (GtkMenuTracker *tracker,
section->model = g_object_ref (model);
section->with_separators = with_separators;
section->action_namespace = g_strdup (action_namespace);
section->separator_label = separator_label;
gtk_menu_tracker_add_items (tracker, section, &section->items, offset, model, 0, g_menu_model_get_n_items (model));
section->handler = g_signal_connect (model, "items-changed", G_CALLBACK (gtk_menu_tracker_model_changed), tracker);
@ -461,7 +471,7 @@ gtk_menu_tracker_new (GtkActionObservable *observable,
tracker->remove_func = remove_func;
tracker->user_data = user_data;
tracker->toplevel = gtk_menu_tracker_section_new (tracker, model, with_separators, 0, action_namespace);
tracker->toplevel = gtk_menu_tracker_section_new (tracker, model, with_separators, FALSE, 0, action_namespace);
gtk_menu_tracker_section_sync_separators (tracker->toplevel, tracker, 0, FALSE, NULL, 0);
return tracker;