enlightenment/src/bin/e_order.c

294 lines
6.8 KiB
C

#include "e.h"
/* local subsystem functions */
static void _e_order_free(E_Order *eo);
static void _e_order_cb_monitor(void *data, Ecore_File_Monitor *em, Ecore_File_Event event, const char *path);
static void _e_order_read(E_Order *eo);
static void _e_order_save(E_Order *eo);
static Eina_Bool _e_order_cb_efreet_cache_update(void *data, int ev_type, void *ev);
static Eina_List *orders = NULL;
static Eina_List *handlers = NULL;
/* externally accessible functions */
EINTERN int
e_order_init(void)
{
char *menu_file = NULL;
handlers =
eina_list_append(handlers,
ecore_event_handler_add(EFREET_EVENT_DESKTOP_CACHE_UPDATE,
_e_order_cb_efreet_cache_update,
NULL));
if (e_config->default_system_menu)
menu_file = strdup(e_config->default_system_menu);
if (!menu_file)
menu_file = strdup("/etc/xdg/menus/applications.menu");
if (menu_file)
{
if (!ecore_file_exists(menu_file))
{
char buf[PATH_MAX];
free(menu_file);
menu_file = NULL;
snprintf(buf, sizeof(buf), "/etc/xdg/menus/enlightenment.menu");
if (ecore_file_exists(buf)) menu_file = strdup(buf);
else
{
snprintf(buf, sizeof(buf),
"%s/etc/xdg/menus/enlightenment.menu",
e_prefix_get());
if (ecore_file_exists(buf)) menu_file = strdup(buf);
}
}
}
efreet_menu_file_set(menu_file);
if (menu_file) free(menu_file);
return 1;
}
EINTERN int
e_order_shutdown(void)
{
orders = eina_list_free(orders);
E_FREE_LIST(handlers, ecore_event_handler_del);
return 1;
}
EAPI E_Order *
e_order_new(const char *path)
{
E_Order *eo;
eo = E_OBJECT_ALLOC(E_Order, E_ORDER_TYPE, _e_order_free);
if (!eo) return NULL;
if (path) eo->path = eina_stringshare_add(path);
_e_order_read(eo);
eo->monitor = ecore_file_monitor_add(path, _e_order_cb_monitor, eo);
orders = eina_list_append(orders, eo);
return eo;
}
EAPI void
e_order_update_callback_set(E_Order *eo, void (*cb)(void *data, E_Order *eo), void *data)
{
E_OBJECT_CHECK(eo);
E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
eo->cb.update = cb;
eo->cb.data = data;
}
EAPI void
e_order_remove(E_Order *eo, Efreet_Desktop *desktop)
{
Eina_List *tmp;
E_OBJECT_CHECK(eo);
E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
tmp = eina_list_data_find_list(eo->desktops, desktop);
if (!tmp) return;
efreet_desktop_free(eina_list_data_get(tmp));
eo->desktops = eina_list_remove_list(eo->desktops, tmp);
_e_order_save(eo);
}
EAPI void
e_order_append(E_Order *eo, Efreet_Desktop *desktop)
{
E_OBJECT_CHECK(eo);
E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
efreet_desktop_ref(desktop);
eo->desktops = eina_list_append(eo->desktops, desktop);
_e_order_save(eo);
}
EAPI void
e_order_prepend_relative(E_Order *eo, Efreet_Desktop *desktop, Efreet_Desktop *before)
{
E_OBJECT_CHECK(eo);
E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
efreet_desktop_ref(desktop);
eo->desktops = eina_list_prepend_relative(eo->desktops, desktop, before);
_e_order_save(eo);
}
EAPI void
e_order_files_append(E_Order *eo, Eina_List *files)
{
Eina_List *l;
const char *file;
E_OBJECT_CHECK(eo);
E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
EINA_LIST_FOREACH(files, l, file)
{
Efreet_Desktop *desktop;
desktop = efreet_desktop_get(file);
if (!desktop) continue;
eo->desktops = eina_list_append(eo->desktops, desktop);
}
_e_order_save(eo);
}
EAPI void
e_order_files_prepend_relative(E_Order *eo, Eina_List *files, Efreet_Desktop *before)
{
Eina_List *l;
const char *file;
E_OBJECT_CHECK(eo);
E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
EINA_LIST_FOREACH(files, l, file)
{
Efreet_Desktop *desktop;
desktop = efreet_desktop_get(file);
if (!desktop) continue;
eo->desktops = eina_list_prepend_relative(eo->desktops, desktop, before);
}
_e_order_save(eo);
}
EAPI void
e_order_clear(E_Order *eo)
{
E_OBJECT_CHECK(eo);
E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
E_FREE_LIST(eo->desktops, efreet_desktop_free);
_e_order_save(eo);
}
/* local subsystem functions */
static void
_e_order_free(E_Order *eo)
{
if (eo->delay) ecore_timer_del(eo->delay);
E_FREE_LIST(eo->desktops, efreet_desktop_free);
if (eo->path) eina_stringshare_del(eo->path);
if (eo->monitor) ecore_file_monitor_del(eo->monitor);
orders = eina_list_remove(orders, eo);
free(eo);
}
static Eina_Bool
_e_order_cb_monitor_delay(void *data)
{
E_Order *eo = data;
/* It doesn't really matter what the change is, just re-read the file */
_e_order_read(eo);
if (eo->cb.update) eo->cb.update(eo->cb.data, eo);
eo->delay = NULL;
return ECORE_CALLBACK_CANCEL;
}
static void
_e_order_cb_monitor(void *data, Ecore_File_Monitor *em __UNUSED__, Ecore_File_Event event __UNUSED__, const char *path __UNUSED__)
{
E_Order *eo = data;
if (eo->delay) ecore_timer_del(eo->delay);
eo->delay = ecore_timer_add(0.2, _e_order_cb_monitor_delay, eo);
}
static void
_e_order_read(E_Order *eo)
{
FILE *f;
char *dir;
E_FREE_LIST(eo->desktops, efreet_desktop_free);
if (!eo->path) return;
dir = ecore_file_dir_get(eo->path);
f = fopen(eo->path, "rb");
if (f)
{
char buf[4096];
while (fgets(buf, sizeof(buf), f))
{
int len;
len = strlen(buf);
if (len > 0)
{
if (buf[len - 1] == '\n')
{
buf[len - 1] = 0;
len--;
}
if (len > 0)
{
Efreet_Desktop *desktop = NULL;
if (buf[0] == '/')
desktop = efreet_desktop_get(buf);
if (!desktop)
desktop = efreet_desktop_get(ecore_file_file_get(buf));
if (!desktop)
desktop = efreet_util_desktop_file_id_find(ecore_file_file_get(buf));
if (desktop)
eo->desktops = eina_list_append(eo->desktops, desktop);
}
}
}
fclose(f);
}
if (dir) free(dir);
}
static void
_e_order_save(E_Order *eo)
{
FILE *f;
Eina_List *l;
Efreet_Desktop *desktop;
if (!eo->path) return;
f = fopen(eo->path, "wb");
if (!f) return;
EINA_LIST_FOREACH(eo->desktops, l, desktop)
{
const char *id;
id = efreet_util_path_to_file_id(desktop->orig_path);
if (id)
fprintf(f, "%s\n", id);
else
fprintf(f, "%s\n", desktop->orig_path);
}
fclose(f);
}
static Eina_Bool
_e_order_cb_efreet_cache_update(void *data __UNUSED__, int ev_type __UNUSED__, void *ev __UNUSED__)
{
Eina_List *l;
E_Order *eo;
/* reread all .order files */
EINA_LIST_FOREACH(orders, l, eo)
{
_e_order_read(eo);
if (eo->cb.update) eo->cb.update(eo->cb.data, eo);
}
return ECORE_CALLBACK_PASS_ON;
}