enlightenment-module-mail/e_mod_main.c

/*
 * Copyright (C) 2006 Christopher Michael
 *
 * Portions of this code Copyright (C) 2004 Embrace project.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

#include <sys/types.h>
#include <dirent.h>
#include <e.h>
#include <Ecore.h>
#include <Ecore_Con.h>
#include <Ecore_File.h>
#include "e_mod_main.h"

typedef enum 
{
   STATE_DISCONNECTED,
     STATE_CONNECTED,
     STATE_SERVER_READY,
     STATE_LOGGED_IN,     
     STATE_USER_OK,
     STATE_PASS_OK,
     STATE_STATUS_OK
} State;

typedef struct _Instance Instance;
typedef struct _Mail Mail;
typedef struct _Mailbox Mailbox;

struct _Instance 
{
   E_Gadcon_Client *gcc;
   Evas_Object *mail_obj;
   Mail *mail;
   Ecore_Timer *check_timer;
   Evas_List *mboxes;

   Ecore_Event_Handler *add_handler;
   Ecore_Event_Handler *del_handler;
   Ecore_Event_Handler *data_handler;
};

struct _Mail
{
   Instance *inst;
   Evas_Object *mail_obj;
};

struct _Mailbox 
{
   Instance *inst;
   Config_Box *config;
   int state;
   int cmd;
   int has_mail;
   int num_new;
   int num_total;
   Ecore_Con_Server *server;
   Ecore_File_Monitor *monitor;
   Ecore_Exe *exe;   
   Ecore_Event_Handler *exit_handler;
};

/* Func Protos for Gadcon */
static E_Gadcon_Client *_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style);
static void _gc_shutdown(E_Gadcon_Client *gcc);
static void _gc_orient(E_Gadcon_Client *gcc);
static char *_gc_label(void);
static Evas_Object *_gc_icon(Evas *evas);

/* Func Protos for Module */
static void _mail_cb_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _mail_cb_mouse_in(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _mail_cb_mouse_out(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _mail_menu_cb_configure(void *data, E_Menu *m, E_Menu_Item *mi);
static void _mail_menu_cb_post(void *data, E_Menu *m);
static void _mail_menu_cb_exec(void *data, E_Menu *m, E_Menu_Item *mi);
static Config_Item *_mail_config_item_get(const char *id);
static Mail *_mail_new(Evas *evas);
static void _mail_free(Mail *mail);
static int _mail_cb_check(void *data);
static int _mail_server_add(void *data, int type, void *event);
static int _mail_server_del(void *data, int type, void *event);
static int _mail_server_data(void *data, int type, void *event);
static int _mail_parse_pop(void *data, void *data2);
static int _mail_parse_imap(void *data, void *data2);
static void _mail_mbox_check(void *data, Ecore_File_Monitor *monitor, Ecore_File_Event event, const char *path);
static void _mail_mdir_check(void *data, Ecore_File_Monitor *monitor, Ecore_File_Event event, const char *path);
static int _mail_mdir_get_files(const char *path);
static void _mail_set_text(void *data);
static int _mail_cb_exe_exit(void *data, int type, void *event);
static Mailbox *_mail_find_mailbox(void *data, void *data2);

static E_Config_DD *conf_edd = NULL;
static E_Config_DD *conf_item_edd = NULL;
static E_Config_DD *conf_box_edd = NULL;

Config *mail_config = NULL;

static const E_Gadcon_Client_Class _gc_class = 
{
   GADCON_CLIENT_CLASS_VERSION,
     "mail", {_gc_init, _gc_shutdown, _gc_orient, _gc_label, _gc_icon}
};

static E_Gadcon_Client *
_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style) 
{
   Evas_Object *o;
   E_Gadcon_Client *gcc;
   Instance *inst;
   Mail *mail;
   Config_Item *ci;
   Evas_List *l;
   char buf[4096];
   
   inst = E_NEW(Instance, 1);
   ci = _mail_config_item_get(id);
   if (!ci->id) ci->id = evas_stringshare_add(id);
   
   mail = _mail_new(gc->evas);
   mail->inst = inst;
   inst->mail = mail;
   
   o = mail->mail_obj;
   gcc = e_gadcon_client_new(gc, name, id, style, o);
   gcc->data = inst;
   inst->gcc = gcc;
   inst->mail_obj = o;

   evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _mail_cb_mouse_down, inst);
   evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_IN, _mail_cb_mouse_in, inst);
   evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_OUT, _mail_cb_mouse_out, inst);

   if (ci->show_label)
     edje_object_signal_emit(inst->mail_obj, "label_active", "");
   else
     edje_object_signal_emit(inst->mail_obj, "label_passive", "");

   mail_config->instances = evas_list_append(mail_config->instances, inst);
   
   if (!ci->boxes) return gcc;
  
   for (l = ci->boxes; l; l = l->next) 
     {
	Mailbox *mb;
	Config_Box *cb;

	cb = l->data;
	mb = E_NEW(Mailbox, 1);
	mb->inst = inst;
	mb->config = cb;
	mb->state = STATE_DISCONNECTED;
	mb->cmd = 0;
	mb->server = NULL;
	inst->mboxes = evas_list_append(inst->mboxes, mb);

	if (cb->type == MAIL_TYPE_MDIR) 
	  mb->monitor = ecore_file_monitor_add(cb->new_path, _mail_mdir_check, mb);
	else if (cb->type == MAIL_TYPE_MBOX) 
	  mb->monitor = ecore_file_monitor_add(cb->new_path, _mail_mbox_check, mb);
	else 
	  {
	     if (!inst->add_handler)
	       inst->add_handler = ecore_event_handler_add(ECORE_CON_EVENT_SERVER_ADD, _mail_server_add, inst);
	     if (!inst->del_handler)
	       inst->del_handler = ecore_event_handler_add(ECORE_CON_EVENT_SERVER_DEL, _mail_server_del, inst);
	     if (!inst->data_handler)
	       inst->data_handler = ecore_event_handler_add(ECORE_CON_EVENT_SERVER_DATA, _mail_server_data, inst);

	     _mail_cb_check(inst);
	     if (!inst->check_timer)
	       inst->check_timer = ecore_timer_add((ci->check_time * 60.0), _mail_cb_check, inst);
	  }
     }   
   return gcc;
}

static void
_gc_shutdown(E_Gadcon_Client *gcc) 
{
   Instance *inst;

   inst = gcc->data;
   
   if (inst->add_handler) ecore_event_handler_del(inst->add_handler);
   if (inst->data_handler) ecore_event_handler_del(inst->data_handler);
   if (inst->del_handler) ecore_event_handler_del(inst->del_handler);
   if (inst->check_timer) ecore_timer_del(inst->check_timer);

   while (inst->mboxes) 
     {
	Mailbox *mb;
	
	mb = inst->mboxes->data;
	if (mb->monitor) ecore_file_monitor_del(mb->monitor);
	if (mb->server) ecore_con_server_del(mb->server);
	if (mb->exit_handler) ecore_event_handler_del(mb->exit_handler);
	mb->exe = NULL;
	mb->server = NULL;
	mb->cmd = 0;
	mb->state = STATE_DISCONNECTED;
	inst->mboxes = evas_list_remove_list(inst->mboxes, inst->mboxes);
	free(mb);
     }

   evas_object_event_callback_del(inst->mail->mail_obj, EVAS_CALLBACK_MOUSE_DOWN, _mail_cb_mouse_down);
   evas_object_event_callback_del(inst->mail->mail_obj, EVAS_CALLBACK_MOUSE_IN, _mail_cb_mouse_in);
   evas_object_event_callback_del(inst->mail->mail_obj, EVAS_CALLBACK_MOUSE_OUT, _mail_cb_mouse_out);   

   mail_config->instances = evas_list_remove(mail_config->instances, inst);
   _mail_free(inst->mail);
   free(inst);
}

static void
_gc_orient(E_Gadcon_Client *gcc) 
{
   e_gadcon_client_aspect_set(gcc, 16, 16);
   e_gadcon_client_min_size_set(gcc, 16, 16);
}

static char *
_gc_label(void) 
{
   return D_("Mail");
}

static Evas_Object *
_gc_icon(Evas *evas) 
{
   Evas_Object *o;
   char buf[4096];
   
   o = edje_object_add(evas);
   snprintf(buf, sizeof(buf), "%s/module.eap", e_module_dir_get(mail_config->module));
   edje_object_file_set(o, buf, "icon");
   return o;
}

static void
_mail_cb_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info) 
{
   Instance *inst = data;
   Evas_Event_Mouse_Down *ev = event_info;
   Evas_List *l;
   
   if (!inst) return;
   
   if ((ev->button == 3) && (!mail_config->menu))
     {
	E_Menu *mn, *sn;
	E_Menu_Item *mi;
	int x, y, w, h;
	char buf[1024];
	
	mn = e_menu_new();
	e_menu_post_deactivate_callback_set(mn, _mail_menu_cb_post, inst);
	mail_config->menu = mn;

	if ((inst->mboxes) && (evas_list_count(inst->mboxes) > 0))
	  {
	     E_Menu_Item *mm;

	     snprintf(buf, sizeof(buf), "%s/module.eap", e_module_dir_get(mail_config->module));
	     mm = e_menu_item_new(mn);
	     e_menu_item_label_set(mm, _("Mailboxes"));
	     e_menu_item_icon_edje_set(mm, buf, "icon");
	     
	     sn = e_menu_new();
	     for (l = inst->mboxes; l; l = l->next) 
	       {
		  Mailbox *mb;
		  
		  mb = l->data;
		  if (!mb) continue;

		  mi = e_menu_item_new(sn);
		  snprintf(buf, sizeof(buf), "%s: %d/%d", mb->config->name, mb->num_new, mb->num_total);
		  e_menu_item_label_set(mi, buf);
		  if (mb->config->exec)
		    e_menu_item_callback_set(mi, _mail_menu_cb_exec, mb);
	       }
	     e_menu_item_submenu_set(mm, sn);
	     mi = e_menu_item_new(mn);
	     e_menu_item_separator_set(mi, 1);	     
	  }

	mi = e_menu_item_new(mn);
	e_menu_item_label_set(mi, _("Configuration"));
	e_util_menu_item_edje_icon_set(mi, "enlightenment/configuration");
	e_menu_item_callback_set(mi, _mail_menu_cb_configure, inst);
	
	mi = e_menu_item_new(mn);
	e_menu_item_separator_set(mi, 1);
	
	e_gadcon_client_util_menu_items_append(inst->gcc, mn, 0);
	e_gadcon_canvas_zone_geometry_get(inst->gcc->gadcon, &x, &y, &w, &h);
	e_menu_activate_mouse(mn,
			      e_util_zone_current_get(e_manager_current_get()),
			      x + ev->output.x, y + ev->output.y, 1, 1, E_MENU_POP_DIRECTION_DOWN,
			      ev->timestamp);
	evas_event_feed_mouse_up(inst->gcc->gadcon->evas, ev->button, EVAS_BUTTON_NONE, ev->timestamp, NULL);
     }
   else if (ev->button == 1) 
     _mail_cb_check(inst);	
}

static void 
_mail_cb_mouse_in(void *data, Evas *e, Evas_Object *obj, void *event_info) 
{
   Instance *inst = data;
   
   if (!inst) return;
   edje_object_signal_emit(inst->mail_obj, "label_active", "");
}

static void 
_mail_cb_mouse_out(void *data, Evas *e, Evas_Object *obj, void *event_info) 
{
   Instance *inst = data;
   Config_Item *ci;
   
   if (!inst) return;
   ci = _mail_config_item_get(inst->gcc->id);
   if (!ci->show_label)
     edje_object_signal_emit(inst->mail_obj, "label_passive", "");
}

static void
_mail_menu_cb_post(void *data, E_Menu *m) 
{
   if (!mail_config->menu) return;
   e_object_del(E_OBJECT(mail_config->menu));
   mail_config->menu = NULL;
}

static void
_mail_menu_cb_configure(void *data, E_Menu *m, E_Menu_Item *mi) 
{
   Instance *inst = data;
   Config_Item *ci;
   
   if (!inst) return;
   ci = _mail_config_item_get(inst->gcc->id);
   _config_mail_module(ci);
}

static Config_Item *
_mail_config_item_get(const char *id) 
{
   Evas_List *l;
   Config_Item *ci;
   
   for (l = mail_config->items; l; l = l->next) 
     {
	ci = l->data;
	if (!ci->id) continue;
	if (!strcmp(ci->id, id)) return ci;
     }
   
   ci = E_NEW(Config_Item, 1);
   ci->id = evas_stringshare_add(id);
   ci->show_label = 1;
   ci->check_time = 15.0;
   ci->boxes = NULL;
   
   mail_config->items = evas_list_append(mail_config->items, ci);
   return ci;
}

EAPI E_Module_Api e_modapi = 
{
   E_MODULE_API_VERSION,
     "Mail"
};

EAPI void *
e_modapi_init(E_Module *m) 
{
   conf_box_edd = E_CONFIG_DD_NEW("Mail_Box_Config", Config_Box);
   #undef T
   #undef D
   #define T Config_Box
   #define D conf_box_edd
   E_CONFIG_VAL(D, T, name, STR);
   E_CONFIG_VAL(D, T, type, INT);
   E_CONFIG_VAL(D, T, port, INT);
   E_CONFIG_VAL(D, T, ssl, UCHAR);
   E_CONFIG_VAL(D, T, host, STR);
   E_CONFIG_VAL(D, T, user, STR);
   E_CONFIG_VAL(D, T, pass, STR);
   E_CONFIG_VAL(D, T, new_path, STR);
   E_CONFIG_VAL(D, T, cur_path, STR);
   E_CONFIG_VAL(D, T, use_exec, UCHAR);
   E_CONFIG_VAL(D, T, exec, STR);
   
   conf_item_edd = E_CONFIG_DD_NEW("Mail_Config_Item", Config_Item);
   #undef T
   #undef D
   #define T Config_Item
   #define D conf_item_edd
   E_CONFIG_VAL(D, T, id, STR);
   E_CONFIG_VAL(D, T, show_label, UCHAR); 
   E_CONFIG_VAL(D, T, check_time, DOUBLE);
   E_CONFIG_LIST(D, T, boxes, conf_box_edd);
   
   conf_edd = E_CONFIG_DD_NEW("Mail_Config", Config);
   #undef T
   #undef D
   #define T Config
   #define D conf_edd
   E_CONFIG_LIST(D, T, items, conf_item_edd);
   
   mail_config = e_config_domain_load("module.mail", conf_edd);
   if (!mail_config) 
     {
	Config_Item *ci;
	
	mail_config = E_NEW(Config, 1);
	ci = E_NEW(Config_Item, 1);
	
	ci->id = evas_stringshare_add("0");
	ci->show_label = 1;
	ci->check_time = 15.0;
	ci->boxes = NULL;
	
	mail_config->items = evas_list_append(mail_config->items, ci);
     }
   mail_config->module = m;
   e_gadcon_provider_register(&_gc_class);
   return 1;
}

EAPI int
e_modapi_shutdown(E_Module *m) 
{
   mail_config->module = NULL;
   e_gadcon_provider_unregister(&_gc_class);
   
   if (mail_config->config_dialog)
     e_object_del(E_OBJECT(mail_config->config_dialog));
   if (mail_config->menu) 
     {
	e_menu_post_deactivate_callback_set(mail_config->menu, NULL, NULL);
	e_object_del(E_OBJECT(mail_config->menu));
	mail_config->menu = NULL;
     }
   while (mail_config->items) 
     {
	Config_Item *ci;
	
	ci = mail_config->items->data;
	while (ci->boxes) 
	  {
	     Config_Box *cb;
	     
	     cb = ci->boxes->data;
	     if (cb->name) evas_stringshare_del(cb->name);
	     if (cb->host) evas_stringshare_del(cb->host);
	     if (cb->user) evas_stringshare_del(cb->user);
	     if (cb->pass) evas_stringshare_del(cb->pass);
	     if (cb->new_path) evas_stringshare_del(cb->new_path);
	     if (cb->cur_path) evas_stringshare_del(cb->cur_path);
	     if (cb->exec) evas_stringshare_del(cb->exec);
	     ci->boxes = evas_list_remove_list(ci->boxes, ci->boxes);
	     free(cb);
	  }
	if (ci->id) evas_stringshare_del(ci->id);
	mail_config->items = evas_list_remove_list(mail_config->items, mail_config->items);
	free(ci);
     }
   free(mail_config);
   mail_config = NULL;
   E_CONFIG_DD_FREE(conf_box_edd);
   E_CONFIG_DD_FREE(conf_item_edd);
   E_CONFIG_DD_FREE(conf_edd);
   return 1;
}

EAPI int
e_modapi_save(E_Module *m) 
{
   Evas_List *l;
   
   for (l = mail_config->instances; l; l = l->next) 
     {
	Instance *inst;
	Config_Item *ci;
	
	inst = l->data;
	ci = _mail_config_item_get(inst->gcc->id);
	if (ci->id) evas_stringshare_del(ci->id);
	ci->id = evas_stringshare_add(inst->gcc->id);
     }
   e_config_domain_save("module.mail", conf_edd, mail_config);
   return 1;
}

EAPI int
e_modapi_about(E_Module *m) 
{
   e_module_dialog_show(D_("Enlightenment Mail Module"), 
			D_("This is a module to notify when you have new mail."));
   return 1;
}

static Mail *
_mail_new(Evas *evas)
{
   Mail *mail;
   char buf[4096];

   mail = E_NEW(Mail, 1);
   mail->mail_obj = edje_object_add(evas);

   snprintf(buf, sizeof(buf), "%s/mail.edj", e_module_dir_get(mail_config->module));
   if (!e_theme_edje_object_set(mail->mail_obj, "base/theme/modules/mail", "modules/mail/main"))
     edje_object_file_set(mail->mail_obj, buf, "modules/mail/main");
   evas_object_show(mail->mail_obj);
   
   return mail;
}

static void
_mail_free(Mail *mail) 
{
   evas_object_del(mail->mail_obj);
   free(mail);
}

static int 
_mail_cb_check(void *data) 
{
   Instance *inst = data;
   Evas_List *l;
   Ecore_Con_Type type;
   Ecore_Con_Server *server;
   
   if (!inst) return 1;
   if (!inst->mboxes) return 1;

   for (l = inst->mboxes; l; l = l->next) 
     {
	Mailbox *mb;
	Config_Box *cb;

	mb = l->data;
	mb->inst = inst;

	cb = mb->config;
	if (!cb->host) continue;
	if (cb->port <= 0) continue;
	if (cb->type > 1) continue;

	type = ECORE_CON_REMOTE_SYSTEM;
	if (cb->ssl)
	  type |= ECORE_CON_USE_SSL;
	server = ecore_con_server_connect(type, cb->host, cb->port, inst);
	mb->server = server;
	mb->state = STATE_CONNECTED;
	mb->cmd = 0;
     }

   return 1;
}

static int 
_mail_server_add(void *data, int type, void *event) 
{
   Instance *inst = data;
   Mailbox *mb;
   Ecore_Con_Event_Server_Add *ev = event;

   if (!inst) return 1;
   if (!inst->mboxes) return 1;
   
   mb = _mail_find_mailbox(inst, ev->server);
   if (!mb) return 1;
   
   mb->state = STATE_CONNECTED;
   mb->cmd = 0;

   return 1;
}

static int 
_mail_server_del(void *data, int type, void *event) 
{
   Instance *inst = data;
   Mailbox *mb;
   Config_Box *cb;
   Ecore_Con_Event_Server_Del *ev = event;

   if (!inst) return 1;
   if (!inst->mboxes) return 1;
   
   mb = _mail_find_mailbox(inst, ev->server);
   if (!mb) return 1;
   
   cb = mb->config;
   if (!cb->host) return 1;

   if (mb->state == STATE_DISCONNECTED)
     printf("Cannot Connect to %s\n", cb->host);
   
   ecore_con_server_del(ev->server);
   mb->server = NULL;
   mb->cmd = 0;
   mb->state = STATE_DISCONNECTED;
   
   return 1;
}

static int 
_mail_server_data(void *data, int type, void *event) 
{
   Instance *inst = data;
   Mailbox *mb;
   Config_Box *cb;
   Ecore_Con_Event_Server_Data *ev = event;
   int ret;
   
   if (!inst) return 1;
   if (!inst->mboxes) return 1;
   
   mb = _mail_find_mailbox(inst, ev->server);
   if (!mb) return 1;
   
   cb = mb->config;
   if (!cb) return 1;

   if (cb->type == MAIL_TYPE_POP) 
     ret = _mail_parse_pop(mb, ev);
   else if (cb->type == MAIL_TYPE_IMAP) 
     ret = _mail_parse_imap(mb, ev);

   return ret;
}

static int
_mail_parse_pop(void *data, void *data2) 
{
   Mailbox *mb = data;
   Config_Box *cb;
   Ecore_Con_Event_Server_Data *ev = data2;
   char in[2048], out[2048];
   int len;
   
   if (!mb) return;
   if (!ev) return;
   if ((!mb->server) || (mb->server != ev->server)) return;

   cb = mb->config;
   
   len = sizeof(in) -1;
   len = (((len) > (ev->size)) ? ev->size : len);
   memcpy(in, ev->data, len);
   in[len] = 0;
   
   if (!strncmp(in, "-ERR", 4)) 
     {
	printf("ERROR: %s\n", in);
	mb->state = STATE_DISCONNECTED;
	ecore_con_server_del(ev->server);
	mb->server = NULL;
	mb->cmd = 0;
	return 0;
     }
   else if (strncmp(in, "+OK", 3)) 
     {
	printf("Unexpected reply: %s\n", in);
	mb->state = STATE_DISCONNECTED;
	ecore_con_server_del(ev->server);
	mb->server = NULL;
	mb->cmd = 0;
	return 0;
     }

   if (mb->state == STATE_CONNECTED)
     mb->state++;
   
   switch (mb->state) 
     {
      case STATE_SERVER_READY:
	len = snprintf(out, sizeof(out), "USER %s\r\n", cb->user);
	ecore_con_server_send(ev->server, out, len);
	mb->state = STATE_USER_OK;
	break;
      case STATE_USER_OK:
	len = snprintf(out, sizeof(out), "PASS %s\r\n", cb->pass);
	ecore_con_server_send(ev->server, out, len);
	mb->state = STATE_PASS_OK;
	break;
      case STATE_PASS_OK:
	len = snprintf(out, sizeof(out), "STAT\r\n");
	ecore_con_server_send(ev->server, out, len);
	mb->state = STATE_STATUS_OK;
	break;
      case STATE_STATUS_OK:
	mb->has_mail = 0;
	mb->num_new = 0;
	mb->num_total = 0;
	if (sscanf(in, "+OK %i %i", &mb->num_new, &mb->num_total) == 2) 
	  {
	     if (mb->num_new > 0)
	       mb->has_mail = 1;
	  }
	/* Reset total to be new mail as total above gets set to msg size */
	mb->num_total = mb->num_new;

	_mail_set_text(mb->inst);
	
	ecore_con_server_del(ev->server);
	mb->state = STATE_DISCONNECTED;
	mb->cmd = 0;
	mb->server = NULL;
	if ((cb->use_exec) && (cb->exec != NULL)) 
	  {
	     if (mb->num_new <= 0) break;
	     if (!mb->exe) 
	       {
		  mb->exit_handler = ecore_event_handler_add(ECORE_EXE_EVENT_DEL, _mail_cb_exe_exit, mb);
		  mb->exe = ecore_exe_run(cb->exec, mb);
	       }
	  }
	break;
      default:
	break;
     }   
   return 0;
}
   
static int
_mail_parse_imap(void *data, void *data2) 
{
   Mailbox *mb = data;
   Config_Box *cb;
   Ecore_Con_Event_Server_Data *ev = data2;
   char in[2048], out[2048];
   char *spc;
   size_t slen;
   int len;
   
   if (!mb) return;
   if (!ev) return;
   if ((!mb->server) || (mb->server != ev->server)) return;

   cb = mb->config;

   len = sizeof(in) -1;
   len = (((len) > (ev->size)) ? ev->size : len);
   memcpy(in, ev->data, len);
   in[len] = 0;
   
   if (spc = strchr(in, ' '))
     {
	slen = strlen(spc);
	if ((slen > 5) && (!strncmp(spc + 1, "NO ", 3))) 
	  {
	     len = snprintf(out, sizeof(out), "A%03i LOGOUT", ++mb->cmd);
	     ecore_con_server_send(ev->server, out, len);
	     printf("Imap Failure: %s\n", spc + 4);
	     mb->state = STATE_DISCONNECTED;
	     mb->cmd = 0;
	     mb->server = NULL;
	     return 0;
	  }
	else if ((slen > 6) && (!strncmp(spc + 1, "BAD ", 4))) 
	  {
	     len = snprintf(out, sizeof(out), "A%03i LOGOUT", ++mb->cmd);
	     ecore_con_server_send(ev->server, out, len);
	     printf("Imap Bad Command: %s\n", spc + 5);
	     mb->state = STATE_DISCONNECTED;
	     mb->cmd = 0;
	     mb->server = NULL;
	     return 0;
	  }
     }
   
   if (mb->state == STATE_CONNECTED)
     mb->state++;

   switch (mb->state) 
     {
      case STATE_SERVER_READY:
	len = snprintf(out, sizeof(out), "A%03i LOGIN %s %s\r\n", ++mb->cmd, cb->user, cb->pass);
	ecore_con_server_send(ev->server, out, len);
	mb->state = STATE_LOGGED_IN;
	break;
      case STATE_LOGGED_IN:
	len = snprintf(out, sizeof(out), "A%03i STATUS %s (MESSAGES UNSEEN)\r\n",++mb->cmd, cb->new_path);
	ecore_con_server_send(ev->server, out, len);
	mb->state = STATE_STATUS_OK;
	break;
      case STATE_STATUS_OK:
	mb->has_mail = 0;
	mb->num_new = 0;
	mb->num_total = 0;

	if (sscanf(in, "* STATUS %*s (MESSAGES %i UNSEEN %i)", &mb->num_total, &mb->num_new) == 2) 
	  {
	     if (mb->num_new > 0)
	       mb->has_mail = 1;
	  }

	_mail_set_text(mb->inst);
	
	len = snprintf(out, sizeof(out), "A%03i LOGOUT", ++mb->cmd);
	ecore_con_server_send(ev->server, out, len);
	mb->state = STATE_DISCONNECTED;
	mb->cmd = 0;	
	mb->server = NULL;
	if ((cb->use_exec) && (cb->exec != NULL)) 
	  {
	     if (mb->num_new <= 0) break;
	     if (!mb->exe) 
	       {
		  mb->exit_handler = ecore_event_handler_add(ECORE_EXE_EVENT_DEL, _mail_cb_exe_exit, mb);
		  mb->exe = ecore_exe_run(cb->exec, mb);
	       }
	  }	
	break;
      case STATE_DISCONNECTED:
	mb->server = NULL;
	mb->cmd = 0;
	break;
      default:
	break;
     }   
   return 0;
}

static void 
_mail_mbox_check(void *data, Ecore_File_Monitor *monitor, Ecore_File_Event event, const char *path) 
{
   Mailbox *mb = data;
   Config_Box *cb;
   FILE *f;
   char buf[1024];
   int total = 0, unread = 0;
   int header;
   
   if (!mb) return;

   cb = mb->config;
   if (!cb->new_path) return;
   
   if (!(f = fopen(cb->new_path, "r")))
     return;

   mb->has_mail = 0;
   mb->num_new = 0;
   mb->num_total = 0;
   
   while (fgets(buf, sizeof(buf), f)) 
     {
	if (buf[0] == '\n')
	  header = 0;
	else if (!strncmp(buf, "From ", 5)) 
	  {
	     header = 1;
	     mb->num_total++;
	     mb->num_new++;
	  }
	else if ((header) && (!strncmp(buf, "Status: ", 7)) && (strchr(buf, 'R')))
	  mb->num_new--;
     }
   fclose(f);

   if (mb->num_new > 0) 
     mb->has_mail = 1;
   
   _mail_set_text(mb->inst);
}

static void 
_mail_mdir_check(void *data, Ecore_File_Monitor *monitor, Ecore_File_Event event, const char *path) 
{
   Mailbox *mb = data;
   
   if (!mb) return;

   mb->has_mail = 0;
   mb->num_total = 0;
   mb->num_new = 0;
   
   mb->num_total = _mail_mdir_get_files(mb->config->cur_path);
   mb->num_new = _mail_mdir_get_files(mb->config->new_path);

   if (mb->num_new > 0)
     mb->has_mail = 1;
   
   _mail_set_text(mb->inst);
}

static int 
_mail_mdir_get_files(const char *path) 
{
   Ecore_List *l;
   char *item;
   int i = 0;
   
   l = ecore_file_ls(path);
   ecore_list_goto_first(l);
   while ((item = (char *)ecore_list_next(l)) != NULL) 
     {
	if ((!strcmp(item, ".")) || (!strcmp(item, ".."))) continue;
	i++;
     }
      
   ecore_list_destroy(l);
   return i;
}

static void 
_mail_set_text(void *data) 
{
   Instance *inst = data;
   Evas_List *l;
   char buf[4096];
   int count = 0;
   
   if (!inst) return;

   for (l = inst->mboxes; l; l = l->next) 
     {
	Mailbox *mb;
	Config_Box *cb;

	mb = l->data;
	cb = mb->config;
	if (mb->has_mail) 
	  {
	     count++;
	     edje_object_part_text_set(inst->mail->mail_obj, "name", cb->user);
	     snprintf(buf, sizeof(buf), "%d/%d", mb->num_new, mb->num_total);
	     edje_object_part_text_set(inst->mail->mail_obj, "new_label", buf);
	  }
     }
   
   if (count > 0)
     edje_object_signal_emit(inst->mail->mail_obj, "new_mail", "");
   else 
     {
	edje_object_signal_emit(inst->mail->mail_obj, "no_mail", "");
	edje_object_part_text_set(inst->mail->mail_obj, "name", "");
	edje_object_part_text_set(inst->mail->mail_obj, "new_label", "");
     }
}

static int 
_mail_cb_exe_exit(void *data, int type, void *event) 
{
   Mailbox *mb = data;
   
   if (!mb) return;
   mb->exe = NULL;
   ecore_event_handler_del(mb->exit_handler);
}

void
_mail_box_added(const char *ci_name, const char *box_name) 
{
   Evas_List *l, *b;
   
   for (l = mail_config->instances; l; l = l->next) 
     {
	Instance *inst;
	Config_Item *ci;
	
	inst = l->data;
	ci = _mail_config_item_get(inst->gcc->id);
	if ((ci->id) && (!strcmp(ci->id, ci_name))) 
	  {
	     for (b = ci->boxes; b; b = b->next) 
	       {
		  Config_Box *cb;
		  
		  cb = b->data;
		  if ((cb->name) && (!strcmp(cb->name, box_name))) 
		    {
		       Mailbox *mb;

		       mb = E_NEW(Mailbox, 1);
		       mb->inst = inst;
		       mb->config = cb;
		       mb->server = NULL;
		       mb->state = STATE_DISCONNECTED;
		       mb->cmd = 0;
		       inst->mboxes = evas_list_append(inst->mboxes, mb);

		       if (cb->type == MAIL_TYPE_MDIR) 
			 mb->monitor = ecore_file_monitor_add(cb->new_path, _mail_mdir_check, mb);
		       else if (cb->type == MAIL_TYPE_MBOX) 
			 mb->monitor = ecore_file_monitor_add(cb->new_path, _mail_mbox_check, mb);
		       else 
			 {
			    if (!inst->add_handler)
			      inst->add_handler = ecore_event_handler_add(ECORE_CON_EVENT_SERVER_ADD, _mail_server_add, inst);
			    if (!inst->del_handler)
			      inst->del_handler = ecore_event_handler_add(ECORE_CON_EVENT_SERVER_DEL, _mail_server_del, inst);
			    if (!inst->data_handler)
			      inst->data_handler = ecore_event_handler_add(ECORE_CON_EVENT_SERVER_DATA, _mail_server_data, inst);

			    _mail_cb_check(inst);
			    if (!inst->check_timer)
			      inst->check_timer = ecore_timer_add((ci->check_time * 60.0), _mail_cb_check, inst);
			 }
		       break;
		    }
	       }
	     break;
	  }
     }
}

void 
_mail_box_deleted(const char *ci_name, const char *box_name)
{
   Evas_List *l, *d, *i;
   Config_Box *cb;
   int found = 0;
   
   for (i = mail_config->instances; i; i = i->next) 
     {
	Instance *inst;
	
	inst = i->data;
	if (!inst->gcc->id) continue;
	if (!strcmp(inst->gcc->id, ci_name)) 
	  {
	     Config_Item *ci;
	     
	     ci = _mail_config_item_get(inst->gcc->id);
	     for (d = ci->boxes; d; d = d->next) 
	       {
		  cb = d->data;
		  if ((cb->name) && (box_name)) 
		    {
		       if (!strcmp(cb->name, box_name)) 
			 {
			    found = 1;
			    break;
			 }
		    }
	       }
	     if (found) 
	       {
		  for (l = inst->mboxes; l; l = l->next) 
		    {
		       Mailbox *mb;
		       
		       mb = l->data;
		       if (((mb->config->name) && (cb->name)) &&
			 (!strcmp(mb->config->name, cb->name))) 
			 {
			    if (mb->monitor) ecore_file_monitor_del(mb->monitor);
			    if (mb->server) ecore_con_server_del(mb->server);
			    if (mb->exit_handler) ecore_event_handler_del(mb->exit_handler);
			    mb->server = NULL;
			    mb->exe = NULL;
			    mb->state = STATE_DISCONNECTED;
			    mb->cmd = 0;
			    inst->mboxes = evas_list_remove(inst->mboxes, mb);
			    free(mb);
			    break;
			 }
		    }
		  ci->boxes = evas_list_remove(ci->boxes, cb);
		  e_config_save_queue();
		  break;
	       }
	     break;
	  }
     }
}

void 
_mail_config_updated(const char *id) 
{
   Evas_List *l;
   Config_Item *ci;
   
   if (!mail_config) return;

   ci = _mail_config_item_get(id);
   for (l = mail_config->instances; l; l = l->next) 
     {
	Instance *inst;
	
	inst = l->data;
	if (!inst->gcc->id) continue;
	if (!strcmp(inst->gcc->id, ci->id)) 
	  {
	     if (inst->check_timer) 
	       {
		  ecore_timer_del(inst->check_timer);
		  inst->check_timer = ecore_timer_add((ci->check_time * 60.0), _mail_cb_check, inst);
	       }
	     
	     if (ci->show_label)
	       edje_object_signal_emit(inst->mail_obj, "label_active", "");
	     else
	       edje_object_signal_emit(inst->mail_obj, "label_passive", "");
	     break;
	  }
     }
}

static void 
_mail_menu_cb_exec(void *data, E_Menu *m, E_Menu_Item *mi) 
{
   Mailbox *mb = data;
   Config_Box *cb;
   
   if (!mb) return;
   if (mb->exe) return;
   cb = mb->config;
   
   mb->exit_handler = ecore_event_handler_add(ECORE_EXE_EVENT_DEL, _mail_cb_exe_exit, mb);
   mb->exe = ecore_exe_run(cb->exec, mb);
}

static Mailbox *
_mail_find_mailbox(void *data, void *data2) 
{
   Instance *inst = data;
   Ecore_Con_Server *serv = data2;
   Evas_List *l;
   Mailbox *mb;
   
   if (!inst) return NULL;
   if (!serv) return NULL;
   
   for (l = inst->mboxes; l; l = l->next) 
     {
	mb = l->data;
	if (!mb) continue;
	if (!mb->server) continue;
	if (mb->server != serv) continue;
	return mb;
     }
   return NULL;
}