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efreet: listen for changes in desktop files 

SVN revision: 47790
This commit is contained in:
Sebastian Dransfeld 2010-04-06 18:35:45 +00:00
parent 44f00fc8a6
commit 113b0254a8
1 changed files with 95 additions and 0 deletions
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95
legacy/efreet/src/lib/efreet_desktop.c
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@ -133,6 +133,8 @@ static Eet_Data_Descriptor *desktop_edd = NULL;
static Ecore_File_Monitor *cache_monitor = NULL;
static Eina_List *cache_data = NULL;
static Eina_Hash *change_monitors = NULL;
#ifdef EFREET_MODULE_LOG_DOM
#undef EFREET_MODULE_LOG_DOM
#endif
@ -230,6 +232,10 @@ static void efreet_desktop_update_cache(void);
static void efreet_desktop_update_cache_job(void *data);
static int efreet_desktop_exe_cb(void *data, int type, void *event);
static void efreet_desktop_listen_changes(void);
static void efreet_desktop_listen_changes_cb(void *data, Ecore_File_Monitor *em,
Ecore_File_Event event, const char *path);
/**
* @internal
* @return Returns > 0 on success or 0 on failure
@ -275,6 +281,7 @@ efreet_desktop_init(void)
cache_monitor = ecore_file_monitor_add(buf,
efreet_desktop_cache_update,
NULL);
efreet_desktop_listen_changes();
if (!cache_monitor) goto cache_error;
ecore_exe_run(PACKAGE_BIN_DIR "/efreet_desktop_cache_create", NULL);
@ -323,6 +330,7 @@ efreet_desktop_shutdown(void)
EINA_LIST_FREE(efreet_desktop_dirs, dir)
eina_stringshare_del(dir);
if (cache_monitor) ecore_file_monitor_del(cache_monitor);
if (change_monitors) eina_hash_free(change_monitors);
if (cache) eet_close(cache);
efreet_desktop_edd_shutdown(desktop_edd);
ecore_file_shutdown();
@ -2395,3 +2403,90 @@ efreet_desktop_exe_cb(void *data __UNUSED__, int type __UNUSED__, void *event)
}
return 1;
}
static void
efreet_desktop_listen_changes(void)
{
int dirsfd = -1;
Eina_List *dirs;
char *path;
struct stat st;
change_monitors = eina_hash_string_superfast_new(EINA_FREE_CB(ecore_file_monitor_del));
if (!change_monitors) return;
dirs = efreet_default_dirs_get(efreet_data_home_get(),
efreet_data_dirs_get(), "applications");
EINA_LIST_FREE(dirs, path)
{
eina_hash_add(change_monitors, path,
ecore_file_monitor_add(path,
efreet_desktop_listen_changes_cb,
NULL));
eina_stringshare_del(path);
}
dirsfd = open(efreet_desktop_cache_dirs(), O_RDONLY, S_IRUSR | S_IWUSR);
if ((dirsfd > 0) && (fstat(dirsfd, &st) == 0) && (st.st_size > 0))
{
char *p;
char *map;
map = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, dirsfd, 0);
if (map == MAP_FAILED) goto error;
p = map;
while (p < map + st.st_size)
{
unsigned int size = *(unsigned int *)p;
p += sizeof(unsigned int);
eina_hash_add(change_monitors, p,
ecore_file_monitor_add(p,
efreet_desktop_listen_changes_cb,
NULL));
p += size;
}
munmap(map, st.st_size);
}
if (dirsfd > 0) close(dirsfd);
return;
error:
if (dirsfd > 0) close(dirsfd);
}
static void
efreet_desktop_listen_changes_cb(void *data __UNUSED__, Ecore_File_Monitor *em __UNUSED__,
Ecore_File_Event event, const char *path)
{
Ecore_File_Monitor *fm;
switch (event)
{
case ECORE_FILE_EVENT_NONE:
/* noop */
break;
case ECORE_FILE_EVENT_CREATED_FILE:
case ECORE_FILE_EVENT_DELETED_FILE:
case ECORE_FILE_EVENT_MODIFIED:
efreet_desktop_update_cache();
break;
case ECORE_FILE_EVENT_DELETED_SELF:
case ECORE_FILE_EVENT_DELETED_DIRECTORY:
fm = eina_hash_find(change_monitors, path);
if (fm) ecore_file_monitor_del(fm);
eina_hash_del_by_key(change_monitors, path);
efreet_desktop_update_cache();
break;
case ECORE_FILE_EVENT_CREATED_DIRECTORY:
eina_hash_add(change_monitors, path,
ecore_file_monitor_add(path,
efreet_desktop_listen_changes_cb,
NULL));
efreet_desktop_update_cache();
break;
}
}