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#include "pystatusbar.h"
#include "pyirssi.h"
#include "factory.h"
typedef struct
{
char *name;
PyObject *script;
PyObject *handler;
} PY_BAR_ITEM_REC;
/* Map: item name -> bar item obj */
static GHashTable *py_bar_items = NULL;
static void py_add_bar_handler(const char *iname, PyObject *script, PyObject *handler)
{
PY_BAR_ITEM_REC *sitem;
sitem = g_new0(PY_BAR_ITEM_REC, 1);
sitem->name = g_strdup(iname);
sitem->script = script;
sitem->handler = handler;
Py_INCREF(script);
Py_INCREF(handler);
g_hash_table_insert(py_bar_items, sitem->name, sitem);
}
static void py_destroy_handler(PY_BAR_ITEM_REC *sitem)
{
statusbar_item_unregister(sitem->name);
g_free(sitem->name); /* destroy key */
Py_DECREF(sitem->script);
Py_DECREF(sitem->handler);
g_free(sitem);
}
static void py_statusbar_proxy_call(SBAR_ITEM_REC *item, int sizeonly, PY_BAR_ITEM_REC *sitem)
{
PyObject *pybaritem;
PyObject *ret;
g_return_if_fail(PyCallable_Check(sitem->handler));
pybaritem = pystatusbar_item_new(item);
if (!pybaritem)
{
PyErr_Print();
pystatusbar_item_unregister(sitem->name);
}
ret = PyObject_CallFunction(sitem->handler, "Oi", pybaritem, sizeonly);
if (!ret)
{
PyErr_Print();
pystatusbar_item_unregister(sitem->name);
}
else
Py_DECREF(ret);
}
static void py_statusbar_proxy(SBAR_ITEM_REC *item, int sizeonly)
{
PY_BAR_ITEM_REC *sitem;
sitem = g_hash_table_lookup(py_bar_items, item->config->name);
if (sitem)
py_statusbar_proxy_call(item, sizeonly, sitem);
else
{
statusbar_item_default_handler(item, sizeonly, NULL, "", TRUE);
g_critical("unknown handler for Python statusbar proxy: %s", item->config->name);
}
}
void pystatusbar_item_register(PyObject *script, const char *sitem,
const char *value, PyObject *func)
{
if (func)
{
g_return_if_fail(PyCallable_Check(func));
py_add_bar_handler(sitem, script, func);
}
statusbar_item_register(sitem, value, func? py_statusbar_proxy : NULL);
}
/* remove selected status bar item handler */
void pystatusbar_item_unregister(const char *iname)
{
if (!g_hash_table_remove(py_bar_items, iname))
statusbar_item_unregister(iname);
}
/* remove all statusbar item handlers for script */
/* XXX: Only status bar items registered with a handler are stored in the hash table.
* Items registered with only a value are not stored, so there is no way to unregister
* them when the script is unloaded.
*/
static int py_check_clean(char *key, PY_BAR_ITEM_REC *value, PyObject *script)
{
if (value->script == script)
return 1;
return 0;
}
void pystatusbar_cleanup_script(PyObject *script)
{
g_hash_table_foreach_remove(py_bar_items, (GHRFunc)py_check_clean, script);
}
void pystatusbar_init(void)
{
g_return_if_fail(py_bar_items == NULL);
/* key is freed by destroy_handler */
py_bar_items = g_hash_table_new_full(g_str_hash, g_str_equal,
NULL, (GDestroyNotify)py_destroy_handler);
}
/* XXX: this must be called after cleaning up all the loaded scripts */
void pystatusbar_deinit(void)
{
g_return_if_fail(py_bar_items != NULL);
g_return_if_fail(g_hash_table_size(py_bar_items) == 0);
g_hash_table_destroy(py_bar_items);
py_bar_items = NULL;
}
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