387 lines
9.8 KiB
C
387 lines
9.8 KiB
C
#include "e.h"
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/* local subsystem functions */
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static void _e_order_free(E_Order *eo);
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static void _e_order_cb_monitor(void *data, Ecore_File_Monitor *em, Ecore_File_Event event, const char *path);
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static void _e_order_read(E_Order *eo);
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static void _e_order_save(E_Order *eo);
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static void _e_order_remove_if_exists(E_Order *eo, Efreet_Desktop *desktop);
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static Eina_Bool _e_order_cb_efreet_cache_update(void *data, int ev_type, void *ev);
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static Eina_List *orders = NULL;
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static Eina_List *handlers = NULL;
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/* externally accessible functions */
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EINTERN int
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e_order_init(void)
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{
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char *menu_file = NULL;
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E_LIST_HANDLER_APPEND(handlers, EFREET_EVENT_DESKTOP_CACHE_UPDATE,
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_e_order_cb_efreet_cache_update, NULL);
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E_LIST_HANDLER_APPEND(handlers, EFREET_EVENT_DESKTOP_CACHE_BUILD,
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_e_order_cb_efreet_cache_update, NULL);
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if (e_config->default_system_menu)
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menu_file = strdup(e_config->default_system_menu);
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if (!menu_file)
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menu_file = strdup("/etc/xdg/menus/applications.menu");
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if (menu_file)
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{
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if (!ecore_file_exists(menu_file))
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{
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char buf[PATH_MAX];
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E_FREE(menu_file);
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snprintf(buf, sizeof(buf), "/etc/xdg/menus/e-applications.menu");
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if (ecore_file_exists(buf)) menu_file = strdup(buf);
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else
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{
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snprintf(buf, sizeof(buf),
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"%s/etc/xdg/menus/e-applications.menu",
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e_prefix_get());
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if (ecore_file_exists(buf)) menu_file = strdup(buf);
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}
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}
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}
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efreet_menu_file_set(menu_file);
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free(menu_file);
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return 1;
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}
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EINTERN int
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e_order_shutdown(void)
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{
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orders = eina_list_free(orders);
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E_FREE_LIST(handlers, ecore_event_handler_del);
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return 1;
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}
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E_API E_Order *
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e_order_new(const char *path)
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{
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E_Order *eo;
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if (!path)
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{
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ERR("null order");
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return NULL;
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}
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eo = E_OBJECT_ALLOC(E_Order, E_ORDER_TYPE, _e_order_free);
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if (!eo) return NULL;
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if (path[0] != '/')
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{
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ERR("not full");
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}
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if (path) eo->path = eina_stringshare_add(path);
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_e_order_read(eo);
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eo->monitor = ecore_file_monitor_add(path, _e_order_cb_monitor, eo);
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orders = eina_list_append(orders, eo);
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return eo;
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}
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E_API E_Order *
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e_order_clone(const E_Order *eo)
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{
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E_Order *eoc;
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Eina_List *l;
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Efreet_Desktop *desktop;
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E_OBJECT_CHECK_RETURN(eo, NULL);
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E_OBJECT_TYPE_CHECK_RETURN(eo, E_ORDER_TYPE, NULL);
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eoc = E_OBJECT_ALLOC(E_Order, E_ORDER_TYPE, _e_order_free);
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if (!eoc) return NULL;
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eoc->path = eina_stringshare_ref(eo->path);
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EINA_LIST_FOREACH(eo->desktops, l, desktop)
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{
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efreet_desktop_ref(desktop);
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eoc->desktops = eina_list_append(eoc->desktops, desktop);
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}
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eoc->monitor = ecore_file_monitor_add(eoc->path, _e_order_cb_monitor, eoc);
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orders = eina_list_append(orders, eoc);
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return eoc;
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}
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E_API void
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e_order_update_callback_set(E_Order *eo, void (*cb)(void *data, E_Order *eo), void *data)
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{
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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eo->cb.update = cb;
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eo->cb.data = data;
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}
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E_API void
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e_order_remove(E_Order *eo, Efreet_Desktop *desktop)
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{
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Eina_List *tmp;
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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tmp = eina_list_data_find_list(eo->desktops, desktop);
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if (!tmp) return;
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efreet_desktop_free(eina_list_data_get(tmp));
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eo->desktops = eina_list_remove_list(eo->desktops, tmp);
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_e_order_save(eo);
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}
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E_API void
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e_order_append(E_Order *eo, Efreet_Desktop *desktop)
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{
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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_e_order_remove_if_exists(eo, desktop);
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efreet_desktop_ref(desktop);
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eo->desktops = eina_list_append(eo->desktops, desktop);
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_e_order_save(eo);
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}
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E_API void
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e_order_prepend_relative(E_Order *eo, Efreet_Desktop *desktop, Efreet_Desktop *before)
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{
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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_e_order_remove_if_exists(eo, desktop);
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efreet_desktop_ref(desktop);
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eo->desktops = eina_list_prepend_relative(eo->desktops, desktop, before);
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_e_order_save(eo);
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}
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E_API void
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e_order_files_append(E_Order *eo, Eina_List *files)
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{
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Eina_List *l;
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const char *file;
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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EINA_LIST_FOREACH(files, l, file)
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{
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Efreet_Desktop *desktop;
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if (!strncmp(file, "file://", 7))
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file += 7;
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desktop = efreet_desktop_get(file);
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if (!desktop) continue;
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_e_order_remove_if_exists(eo, desktop);
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eo->desktops = eina_list_append(eo->desktops, desktop);
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}
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_e_order_save(eo);
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}
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E_API void
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e_order_files_prepend_relative(E_Order *eo, Eina_List *files, Efreet_Desktop *before)
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{
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Eina_List *l;
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const char *file;
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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EINA_LIST_FOREACH(files, l, file)
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{
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Efreet_Desktop *desktop;
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if (!strncmp(file, "file://", 7))
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file += 7;
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desktop = efreet_desktop_get(file);
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if (!desktop) continue;
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_e_order_remove_if_exists(eo, desktop);
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eo->desktops = eina_list_prepend_relative(eo->desktops, desktop, before);
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}
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_e_order_save(eo);
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}
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E_API void
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e_order_clear(E_Order *eo)
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{
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E_OBJECT_CHECK(eo);
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E_OBJECT_TYPE_CHECK(eo, E_ORDER_TYPE);
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E_FREE_LIST(eo->desktops, efreet_desktop_free);
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_e_order_save(eo);
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}
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/* local subsystem functions */
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static void
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_e_order_free(E_Order *eo)
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{
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if (eo->delay) ecore_timer_del(eo->delay);
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E_FREE_LIST(eo->desktops, efreet_desktop_free);
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if (eo->path) eina_stringshare_del(eo->path);
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if (eo->monitor) ecore_file_monitor_del(eo->monitor);
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orders = eina_list_remove(orders, eo);
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free(eo);
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}
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static void
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_e_order_remove_if_exists(E_Order *eo, Efreet_Desktop *desktop)
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{
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Efreet_Desktop *desk;
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Eina_List *node, *nnode;
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EINA_LIST_FOREACH_SAFE(eo->desktops, node, nnode, desk)
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{
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if (!strcmp(desk->orig_path, desktop->orig_path))
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{
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efreet_desktop_free(desktop);
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eo->desktops = eina_list_remove(eo->desktops, desktop);
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return;
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}
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}
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}
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static Eina_Bool
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_e_order_cb_monitor_delay(void *data)
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{
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E_Order *eo = data;
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/* It doesn't really matter what the change is, just re-read the file */
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_e_order_read(eo);
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if (eo->cb.update) eo->cb.update(eo->cb.data, eo);
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eo->delay = NULL;
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return ECORE_CALLBACK_CANCEL;
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}
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static void
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_e_order_cb_monitor(void *data, Ecore_File_Monitor *em EINA_UNUSED, Ecore_File_Event event EINA_UNUSED, const char *path EINA_UNUSED)
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{
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E_Order *eo = data;
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if (eo->delay) ecore_timer_del(eo->delay);
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eo->delay = ecore_timer_loop_add(0.2, _e_order_cb_monitor_delay, eo);
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}
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static void
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_e_order_read(E_Order *eo)
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{
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char *dir, *s, *s2, buf[4096], buf2[8192];
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Efreet_Desktop *desktop;
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Eina_List *files, *l;
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size_t len;
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FILE *f;
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E_FREE_LIST(eo->desktops, efreet_desktop_free);
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if (!eo->path) return;
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// eo->path = /path/to/dir/.order ...
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dir = ecore_file_dir_get(eo->path);
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if (!dir) return;
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files = ecore_file_ls(dir);
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f = fopen(eo->path, "rb");
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if (!f) goto err;
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while (fgets(buf, sizeof(buf), f))
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{
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len = strlen(buf);
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if (len == 0) continue;
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if (buf[len - 1] == '\n')
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{
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buf[len - 1] = 0;
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len--;
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}
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if (len == 0) continue;
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// if full path - use that first
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desktop = NULL;
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if (buf[0] == '/')
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desktop = efreet_desktop_get(buf);
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else
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{
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// /path/to/dir/filename.desktop (buf)
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snprintf(buf2, sizeof(buf2), "%s/%s", dir, buf);
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// remove file if its in the dir already
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EINA_LIST_FOREACH(files, l, s)
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{
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if ((!strcmp(s, buf)) || (!strcmp(s, buf2)))
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{
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files = eina_list_remove_list(files, l);
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free(s);
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break;
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}
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}
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// desktop file in the order dir first
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if (!desktop)
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desktop = efreet_desktop_get(buf2);
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// ignore any path elements and look up just filename
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if (!desktop)
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desktop = efreet_desktop_get(ecore_file_file_get(buf));
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// look uop by id
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if (!desktop)
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desktop = efreet_util_desktop_file_id_find(ecore_file_file_get(buf));
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}
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// if we found it - append.
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if (desktop)
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eo->desktops = eina_list_append(eo->desktops, desktop);
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}
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fclose(f);
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err:
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EINA_LIST_FOREACH(files, l, s)
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{
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if (s[0] == '.') continue;
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s2 = strchr(s, '.');
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if (!s2) continue;
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if (!(!strcasecmp(s2, ".desktop"))) continue;
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snprintf(buf2, sizeof(buf2), "%s/%s", dir, s);
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desktop = efreet_desktop_get(buf2);
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if (desktop)
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eo->desktops = eina_list_append(eo->desktops, desktop);
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}
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free(dir);
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EINA_LIST_FREE(files, s) free(s);
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}
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static void
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_e_order_save(E_Order *eo)
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{
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FILE *f;
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Eina_List *l;
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Efreet_Desktop *desktop;
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if (!eo->path) return;
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f = fopen(eo->path, "wb");
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if (!f) return;
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EINA_LIST_FOREACH(eo->desktops, l, desktop)
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{
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const char *id;
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id = efreet_util_path_to_file_id(desktop->orig_path);
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if (id)
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fprintf(f, "%s\n", id);
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else
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fprintf(f, "%s\n", desktop->orig_path);
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}
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fclose(f);
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}
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static Eina_Bool
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_e_order_cb_efreet_cache_update(void *data EINA_UNUSED, int ev_type EINA_UNUSED, void *ev EINA_UNUSED)
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{
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Eina_List *l;
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E_Order *eo;
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/* reread all .order files */
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EINA_LIST_FOREACH(orders, l, eo)
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{
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_e_order_read(eo);
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if (eo->cb.update) eo->cb.update(eo->cb.data, eo);
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}
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return ECORE_CALLBACK_PASS_ON;
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}
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