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#include "e.h"
/**************************** private data ******************************/
typedef struct _E_Desklock_Run E_Desklock_Run;
struct _E_Desklock_Run
{
E_Order *desk_run;
int position;
};
static Ecore_Event_Handler *_e_desklock_run_handler = NULL;
static Ecore_Event_Handler *_e_desklock_randr_handler = NULL;
static Ecore_Job *job = NULL;
static Eina_List *tasks = NULL;
static Eina_List *show_hooks = NULL;
static Eina_List *hide_hooks = NULL;
static Evas_Object *block_rects[32] = {NULL};
static Eina_Bool block_zone[32] = {EINA_FALSE};
static Eina_List *desklock_ifaces = NULL;
static E_Desklock_Interface *current_iface = NULL;
static Eina_Bool demo = EINA_FALSE;
static Eina_Bool _e_desklock_want = EINA_FALSE;
static int _e_desklock_block = 0;
static Eina_Bool desklock_manual = EINA_FALSE;
/***********************************************************************/
static Eina_Bool _e_desklock_cb_run(void *data, int type, void *event);
static Eina_Bool _e_desklock_cb_randr(void *data, int type, void *event);
static Eina_Bool _e_desklock_state = EINA_FALSE;
E_API int E_EVENT_DESKLOCK = 0;
EINTERN int
e_desklock_init(void)
{
Eina_List *l;
E_Config_Desklock_Background *bg;
EINA_LIST_FOREACH(e_config->desklock_backgrounds, l, bg)
e_filereg_register(bg->file);
E_EVENT_DESKLOCK = ecore_event_type_new();
_e_desklock_run_handler = ecore_event_handler_add(E_EVENT_DESKLOCK,
_e_desklock_cb_run, NULL);
_e_desklock_randr_handler = ecore_event_handler_add(E_EVENT_RANDR_CHANGE,
_e_desklock_cb_randr, NULL);
return 1;
}
EINTERN int
e_desklock_shutdown(void)
{
E_Desklock_Run *task;
Eina_List *l;
E_Config_Desklock_Background *bg;
desklock_ifaces = eina_list_free(desklock_ifaces);
if (!x_fatal)
e_desklock_hide();
ecore_event_handler_del(_e_desklock_run_handler);
_e_desklock_run_handler = NULL;
ecore_event_handler_del(_e_desklock_randr_handler);
_e_desklock_randr_handler = NULL;
if (job) ecore_job_del(job);
job = NULL;
EINA_LIST_FOREACH(e_config->desklock_backgrounds, l, bg)
e_filereg_deregister(bg->file);
EINA_LIST_FREE(tasks, task)
{
e_object_del(E_OBJECT(task->desk_run));
free(task);
}
return 1;
}
E_API Eina_Stringshare *
e_desklock_user_wallpaper_get(E_Zone *zone)
{
const E_Config_Desktop_Background *cdbg;
const Eina_List *l;
E_Desk *desk;
desk = e_desk_current_get(zone);
EINA_LIST_FOREACH(e_config->desktop_backgrounds, l, cdbg)
{
if ((cdbg->zone > -1) && (cdbg->zone != (int)zone->num)) continue;
if ((cdbg->desk_x > -1) && (cdbg->desk_x != desk->x)) continue;
if ((cdbg->desk_y > -1) && (cdbg->desk_y != desk->y)) continue;
if (cdbg->file) return cdbg->file;
}
if (e_config->desktop_default_background)
return e_config->desktop_default_background;
return e_theme_edje_file_get("base/theme/desklock", "e/desklock/background");
}
E_API void
e_desklock_interface_append(E_Desklock_Interface *iface)
{
EINA_SAFETY_ON_NULL_RETURN(iface);
EINA_SAFETY_ON_NULL_RETURN(iface->show);
EINA_SAFETY_ON_NULL_RETURN(iface->name);
EINA_SAFETY_ON_TRUE_RETURN(iface->active); // fucking casuals
/* make sure our module is first so it gets tried last */
if (!e_util_strcmp(iface->name, "lokker"))
desklock_ifaces = eina_list_prepend(desklock_ifaces, (void*)iface);
else
desklock_ifaces = eina_list_append(desklock_ifaces, (void*)iface);
if (_e_desklock_state && (!current_iface))
{
if (iface->show())
{
iface->active = EINA_TRUE;
current_iface = iface;
}
}
}
EINTERN E_Desklock_Interface *
e_desklock_interface_current_get(void)
{
return current_iface;
}
E_API void
e_desklock_interface_remove(E_Desklock_Interface *iface)
{
E_Desklock_Interface *diface;
Eina_List *l;
EINA_SAFETY_ON_NULL_RETURN(iface);
if (!desklock_ifaces) return;
desklock_ifaces = eina_list_remove(desklock_ifaces, (void*)iface);
if (!iface->active) return;
/* if it was active, hide it */
if (iface->hide) iface->hide();
iface->active = EINA_FALSE;
current_iface = NULL;
/* then try to find a replacement locker */
EINA_LIST_REVERSE_FOREACH(desklock_ifaces, l, diface)
{
if (!diface->show()) continue;
diface->active = EINA_TRUE;
current_iface = diface;
break;
}
/* XXX: if none of the remaining lockers can lock, we're left with a black screen.
* I again blame the user for magically unloading the current locker module DURING
* desklock, but I refuse to unlock their system.
if (!current_iface) e_desklock_hide();
*/
}
E_API void
e_desklock_show_hook_add(E_Desklock_Show_Cb cb)
{
EINA_SAFETY_ON_NULL_RETURN(cb);
show_hooks = eina_list_append(show_hooks, cb);
}
E_API void
e_desklock_show_hook_del(E_Desklock_Show_Cb cb)
{
EINA_SAFETY_ON_NULL_RETURN(cb);
show_hooks = eina_list_remove(show_hooks, cb);
}
E_API void
e_desklock_hide_hook_add(E_Desklock_Hide_Cb cb)
{
EINA_SAFETY_ON_NULL_RETURN(cb);
hide_hooks = eina_list_append(hide_hooks, cb);
}
E_API void
e_desklock_hide_hook_del(E_Desklock_Hide_Cb cb)
{
EINA_SAFETY_ON_NULL_RETURN(cb);
hide_hooks = eina_list_remove(hide_hooks, cb);
}
E_API int
e_desklock_show_autolocked(void)
{
return e_desklock_show(EINA_FALSE);
}
E_API Eina_Bool
e_desklock_demo(void)
{
E_Desklock_Interface *iface;
Eina_List *l;
EINA_LIST_REVERSE_FOREACH(desklock_ifaces, l, iface)
{
if (iface->show())
{
demo = iface->active = EINA_TRUE;
current_iface = iface;
e_comp_shape_queue();
return EINA_TRUE;
}
}
return EINA_FALSE;
}
static int
_desklock_show_internal(Eina_Bool suspend)
{
const Eina_List *l;
E_Event_Desklock *ev;
E_Desklock_Show_Cb show_cb;
E_Desklock_Hide_Cb hide_cb;
E_Zone *zone;
#if !defined(HAVE_PAM) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
if (!e_desklock_is_personal())
{
e_util_dialog_show(_("Error - no PAM support"),
_("No PAM support was built into Enlightenment, so<ps/>"
"desk locking is disabled."));
return EINA_FALSE;
}
#endif
if (_e_desklock_state) return EINA_TRUE;
if (e_desklock_is_personal())
{
if (!e_config->desklock_passwd)
{
zone = e_zone_current_get();
if (zone)
e_configure_registry_call("screen/screen_lock", NULL, NULL);
return 0;
}
}
e_menu_hide_all();
EINA_LIST_FOREACH(show_hooks, l, show_cb)
{
if (!show_cb()) goto fail;
}
EINA_LIST_FOREACH(e_comp->zones, l, zone)
{
Evas_Object *o;
if (zone->num >= EINA_C_ARRAY_LENGTH(block_rects))
{
CRI("> %lu screens connected????",
(unsigned long)EINA_C_ARRAY_LENGTH(block_rects));
break;
}
o = evas_object_rectangle_add(e_comp->evas);
block_rects[zone->num] = o;
evas_object_color_set(o, 0, 0, 0, 0);
evas_object_geometry_set(o, zone->x, zone->y, zone->w, zone->h);
evas_object_layer_set(o, E_LAYER_DESKLOCK);
if (!block_zone[zone->num])
evas_object_show(o);
}
if (e_config->desklock_language)
e_intl_language_set(e_config->desklock_language);
if (e_config->xkb.lock_layout)
e_xkb_layout_set(e_config->xkb.lock_layout);
if (demo)
{
if (current_iface->hide)
current_iface->hide();
current_iface->active = demo = EINA_FALSE;
current_iface = NULL;
}
{
E_Desklock_Interface *iface;
Eina_Bool success = EINA_TRUE;
EINA_LIST_REVERSE_FOREACH(desklock_ifaces, l, iface)
{
success = iface->show();
if (success)
{
iface->active = EINA_TRUE;
current_iface = iface;
break;
}
}
/* FIXME: if someone doesn't have a locking module loaded and has
* lock-on-startup, this will result in a permanent black screen.
* I blame the user in this case since lokker is a default module
* which is really hard to disable (you have to work at it or be a gentoo user).
*/
if (!success) goto lang_fail;
}
ev = E_NEW(E_Event_Desklock, 1);
ev->on = 1;
ev->suspend = suspend;
ecore_event_add(E_EVENT_DESKLOCK, ev, NULL, NULL);
if (getenv("E_START_MANAGER")) kill(getppid(), SIGUSR2);
_e_desklock_state = EINA_TRUE;
e_sys_locked_set(_e_desklock_state);
e_bindings_disabled_set(1);
e_screensaver_update();
e_dpms_force_update();
return 1;
lang_fail:
if (e_config->desklock_language)
e_intl_language_set(e_config->language);
if (e_config_xkb_layout_eq(e_config->xkb.current_layout, e_config->xkb.lock_layout))
{
if (e_config->xkb.sel_layout)
e_xkb_layout_set(e_config->xkb.sel_layout);
}
fail:
EINA_LIST_FOREACH(hide_hooks, l, hide_cb)
hide_cb();
return 0;
}
E_API int
e_desklock_show(Eina_Bool suspend)
{
_e_desklock_want = EINA_TRUE;
if ((_e_desklock_block > 0) && (!desklock_manual)) return EINA_FALSE;
return _desklock_show_internal(suspend);
}
static void
_desklock_hide_internal(void)
{
Eina_List *l;
E_Event_Desklock *ev;
E_Desklock_Hide_Cb hide_cb;
if (demo && current_iface)
{
if (current_iface->hide)
current_iface->hide();
demo = current_iface->active = EINA_FALSE;
current_iface = NULL;
return;
}
demo = EINA_FALSE;
if (!_e_desklock_state) return;
e_comp_override_del();
e_comp_shape_queue();
{
unsigned int n;
for (n = 0; n < EINA_C_ARRAY_LENGTH(block_rects); n++)
{
E_FREE_FUNC(block_rects[n], evas_object_del);
block_zone[n] = EINA_FALSE;
}
}
//e_comp_block_window_del();
if (e_config->desklock_language)
e_intl_language_set(e_config->language);
if (e_config_xkb_layout_eq(e_config->xkb.current_layout, e_config->xkb.lock_layout))
{
if (e_config->xkb.sel_layout)
e_xkb_layout_set(e_config->xkb.sel_layout);
}
_e_desklock_state = EINA_FALSE;
e_sys_locked_set(_e_desklock_state);
e_bindings_disabled_set(0);
ev = E_NEW(E_Event_Desklock, 1);
ev->on = 0;
ev->suspend = 1;
ecore_event_add(E_EVENT_DESKLOCK, ev, NULL, NULL);
e_screensaver_update();
e_dpms_force_update();
EINA_LIST_FOREACH(hide_hooks, l, hide_cb)
hide_cb();
if (current_iface)
{
if (current_iface->hide)
current_iface->hide();
current_iface->active = EINA_FALSE;
current_iface = NULL;
}
if (getenv("E_START_MANAGER")) kill(getppid(), SIGHUP);
e_pointer_reset(e_comp->pointer);
}
E_API int
e_desklock_show_manual(Eina_Bool suspend)
{
desklock_manual = EINA_TRUE;
return e_desklock_show(suspend);
}
E_API Eina_Bool
e_desklock_manual_get(void)
{
return desklock_manual;
}
E_API void
e_desklock_hide(void)
{
desklock_manual = EINA_FALSE;
_e_desklock_want = EINA_FALSE;
_desklock_hide_internal();
}
E_API Eina_Bool
e_desklock_state_get(void)
{
return _e_desklock_state;
}
E_API void
e_desklock_block(void)
{
_e_desklock_block++;
if (_e_desklock_block == 1)
{
if (!desklock_manual)
{
if (_e_desklock_state) _desklock_hide_internal();
}
}
}
E_API void
e_desklock_unblock(void)
{
_e_desklock_block--;
if (_e_desklock_block == 0)
{
if (_e_desklock_want) e_desklock_show(EINA_FALSE);
}
else if (_e_desklock_block < 0)
{
ERR("desklock block going below zero");
}
}
static Eina_Bool
_e_desklock_run(E_Desklock_Run *task)
{
Efreet_Desktop *desktop;
desktop = eina_list_nth(task->desk_run->desktops, task->position++);
if (!desktop)
{
e_object_del(E_OBJECT(task->desk_run));
free(task);
return EINA_FALSE;
}
e_exec(NULL, desktop, NULL, NULL, NULL);
return EINA_TRUE;
}
static void
_e_desklock_job(void *data EINA_UNUSED)
{
E_Desklock_Run *task;
job = NULL;
if (!tasks) return;
task = eina_list_data_get(tasks);
if (!_e_desklock_run(task))
tasks = eina_list_remove_list(tasks, tasks);
if (tasks) job = ecore_job_add(_e_desklock_job, NULL);
}
static Eina_Bool
_e_desklock_cb_run(void *data EINA_UNUSED, int type EINA_UNUSED, void *event)
{
E_Desklock_Run *task;
E_Event_Desklock *ev = event;
E_Order *desk_run;
char buf[PATH_MAX];
if (!ev->suspend) return ECORE_CALLBACK_PASS_ON;
if (ev->on)
{
e_user_dir_concat_static(buf, "applications/desk-lock/.order");
if (!ecore_file_exists(buf))
e_prefix_data_concat_static(buf, "applications/desk-lock/.order");
}
else
{
e_user_dir_concat_static(buf, "applications/desk-unlock/.order");
if (!ecore_file_exists(buf))
e_prefix_data_concat_static(buf, "applications/desk-unlock/.order");
}
desk_run = e_order_new(buf);
if (!desk_run) return ECORE_CALLBACK_PASS_ON;
task = calloc(1, sizeof (E_Desklock_Run));
if (!task)
{
e_object_del(E_OBJECT(desk_run));
return ECORE_CALLBACK_PASS_ON;
}
task->desk_run = desk_run;
tasks = eina_list_append(tasks, task);
if (!job) ecore_job_add(_e_desklock_job, NULL);
return ECORE_CALLBACK_PASS_ON;
}
static Eina_Bool
_e_desklock_cb_randr(void *data EINA_UNUSED, int type EINA_UNUSED, void *event EINA_UNUSED)
{
if (!_e_desklock_state) return ECORE_CALLBACK_PASS_ON;
e_desklock_hide();
e_desklock_show(EINA_FALSE);
return ECORE_CALLBACK_PASS_ON;
}
E_API void
e_desklock_zone_block_set(const E_Zone *zone, Eina_Bool block)
{
EINA_SAFETY_ON_NULL_RETURN(zone);
if (zone->num >= EINA_C_ARRAY_LENGTH(block_rects))
{
CRI("> %lu screens connected????",
(unsigned long)EINA_C_ARRAY_LENGTH(block_rects));
return;
}
block_zone[zone->num] = !!block;
if (!block_rects[zone->num]) return;
if (block)
evas_object_show(block_rects[zone->num]);
else
evas_object_hide(block_rects[zone->num]);
}