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Add an async variant of language loading

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This just code loads one language at a time in an idle,
to avoid blocking the UI for a long time. The function returns
the id of the sources, so you can just call g_source_remove()
if you don't need the languages anymore (e.g if the user goes
to another panel before the list is fully populated).

https://bugzilla.gnome.org/show_bug.cgi?id=643096
This commit is contained in:
Matthias Clasen 2011-02-23 21:50:32 -05:00 • committed by Bastien Nocera
parent a50f471715
commit 012c52f4f5
2 changed files with 79 additions and 0 deletions
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77
panels/common/cc-common-language.c
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@ -222,6 +222,83 @@ cc_common_language_add_available_languages (GtkListStore *store,
g_strfreev (languages);
}
typedef struct
{
GtkListStore *store;
GHashTable *user_langs;
gchar **languages;
gint position;
} AsyncLangData;
static void
async_lang_data_free (AsyncLangData *data)
{
g_object_unref (data->store);
g_hash_table_unref (data->user_langs);
g_strfreev (data->languages);
g_free (data);
}
static gboolean
add_one_language (gpointer d)
{
AsyncLangData *data = d;
char *name;
char *language;
GtkTreeIter iter;
if (data->languages[data->position] == NULL) {
/* we are done */
async_lang_data_free (data);
return FALSE;
}
name = gdm_normalize_language_name (data->languages[data->position]);
if (g_hash_table_lookup (data->user_langs, name) != NULL) {
g_free (name);
goto next;
}
if (!cc_common_language_has_font (data->languages[data->position])) {
g_free (name);
goto next;
}
language = gdm_get_language_from_name (name, NULL);
if (!language) {
g_debug ("Ignoring '%s' as a locale, because we couldn't figure the language name", name);
g_free (name);
goto next;
}
gtk_list_store_append (data->store, &iter);
gtk_list_store_set (data->store, &iter, LOCALE_COL, name, DISPLAY_LOCALE_COL, language, -1);
g_free (name);
g_free (language);
next:
data->position++;
return TRUE;
}
guint
cc_common_language_add_available_languages_async (GtkListStore *store,
GHashTable *user_langs)
{
AsyncLangData *data;
data = g_new0 (AsyncLangData, 1);
data->store = g_object_ref (store);
data->user_langs = g_hash_table_ref (user_langs);
data->languages = gdm_get_all_language_names ();
data->position = 0;
return gdk_threads_add_idle (add_one_language, data);
}
gchar *
cc_common_language_get_current_language (void)
{