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#include "e.h"
/* local subsystem functions */
static void _e_bg_signal(void *data, Evas_Object *obj, const char *emission, const char *source);
static void _e_bg_event_bg_update_free(void *data, void *event);
static void e_bg_handler_set(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, const char *path);
static int e_bg_handler_test(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, const char *path);
static void _e_bg_handler_image_imported(const char *image_path, void *data);
/* local subsystem globals */
E_API int E_EVENT_BG_UPDATE = 0;
static E_Fm2_Mime_Handler *bg_hdl = NULL;
/* externally accessible functions */
EINTERN int
e_bg_init(void)
{
Eina_List *l = NULL;
E_Config_Desktop_Background *cfbg = NULL;
/* Register mime handler */
bg_hdl = e_fm2_mime_handler_new(_("Set As Background"),
"preferences-desktop-wallpaper",
e_bg_handler_set, NULL,
e_bg_handler_test, NULL);
if (bg_hdl)
{
e_fm2_mime_handler_glob_add(bg_hdl, "*.edj");
e_fm2_mime_handler_mime_add(bg_hdl, "image/png");
e_fm2_mime_handler_mime_add(bg_hdl, "image/jpeg");
}
/* Register files in use */
if (e_config->desktop_default_background)
e_filereg_register(e_config->desktop_default_background);
EINA_LIST_FOREACH(e_config->desktop_backgrounds, l, cfbg)
{
if (!cfbg) continue;
e_filereg_register(cfbg->file);
}
E_EVENT_BG_UPDATE = ecore_event_type_new();
return 1;
}
EINTERN int
e_bg_shutdown(void)
{
Eina_List *l = NULL;
E_Config_Desktop_Background *cfbg = NULL;
/* Deregister mime handler */
if (bg_hdl)
{
e_fm2_mime_handler_glob_del(bg_hdl, "*.edj");
e_fm2_mime_handler_free(bg_hdl);
}
/* Deregister files in use */
if (e_config->desktop_default_background)
e_filereg_deregister(e_config->desktop_default_background);
EINA_LIST_FOREACH(e_config->desktop_backgrounds, l, cfbg)
{
if (!cfbg) continue;
e_filereg_deregister(cfbg->file);
}
return 1;
}
/**
* Find the configuration for a given desktop background
* Use -1 as a wild card for each parameter.
* The most specific match will be returned
*/
E_API const E_Config_Desktop_Background *
e_bg_config_get(int zone_num, int desk_x, int desk_y)
{
Eina_List *l, *entries;
E_Config_Desktop_Background *bg = NULL, *cfbg = NULL;
const char *bgfile = "";
char *entry;
int current_spec = 0; /* how specific the setting is - we want the least general one that applies */
/* look for desk specific background. */
if (zone_num >= 0 || desk_x >= 0 || desk_y >= 0)
{
EINA_LIST_FOREACH(e_config->desktop_backgrounds, l, cfbg)
{
int spec;
if (!cfbg) continue;
spec = 0;
if (cfbg->zone == zone_num) spec++;
else if (cfbg->zone >= 0)
continue;
if (cfbg->desk_x == desk_x) spec++;
else if (cfbg->desk_x >= 0)
continue;
if (cfbg->desk_y == desk_y) spec++;
else if (cfbg->desk_y >= 0)
continue;
if (spec <= current_spec) continue;
bgfile = cfbg->file;
if (bgfile)
{
if (bgfile[0] != '/')
{
const char *bf;
bf = e_path_find(path_backgrounds, bgfile);
if (bf) bgfile = bf;
}
}
if (eina_str_has_extension(bgfile, ".edj"))
{
entries = edje_file_collection_list(bgfile);
EINA_LIST_FREE(entries, entry)
{
if (!strcmp(entry, "e/desktop/background"))
{
bg = cfbg;
current_spec = spec;
break;
}
eina_stringshare_del(entry);
}
E_FREE_LIST(entries, eina_stringshare_del);
}
else
{
bg = cfbg;
current_spec = spec;
}
}
}
return bg;
}
E_API Eina_Stringshare *
e_bg_file_get(int zone_num, int desk_x, int desk_y)
{
const E_Config_Desktop_Background *cfbg;
const char *bgfile = NULL;
int ok = 0;
cfbg = e_bg_config_get(zone_num, desk_x, desk_y);
/* fall back to default */
if (cfbg)
{
const char *bf;
bgfile = eina_stringshare_ref(cfbg->file);
if (!bgfile) return NULL;
if (bgfile[0] == '/') return bgfile;
bf = e_path_find(path_backgrounds, bgfile);
if (!bf) return bgfile;
eina_stringshare_del(bgfile);
return bf;
}
bgfile = e_config->desktop_default_background;
if (bgfile)
{
if (bgfile[0] != '/')
{
const char *bf;
bf = e_path_find(path_backgrounds, bgfile);
if (bf) bgfile = bf;
}
else
eina_stringshare_ref(bgfile);
}
if (bgfile && eina_str_has_extension(bgfile, ".edj"))
{
ok = edje_file_group_exists(bgfile, "e/desktop/background");
}
else if ((bgfile) && (bgfile[0]))
ok = 1;
if (!ok)
eina_stringshare_replace(&bgfile, e_theme_edje_file_get("base/theme/background",
"e/desktop/background"));
return bgfile;
}
E_API void
e_bg_zone_update(E_Zone *zone, E_Bg_Transition transition)
{
Evas_Object *o;
const char *bgfile = "";
const char *trans = "";
E_Desk *desk;
printf("UP %p trans %i\n", zone, transition);
if (transition == E_BG_TRANSITION_START) trans = e_config->transition_start;
else if (transition == E_BG_TRANSITION_DESK)
trans = e_config->transition_desk;
else if (transition == E_BG_TRANSITION_CHANGE)
trans = e_config->transition_change;
if ((!trans) || (!trans[0])) transition = E_BG_TRANSITION_NONE;
desk = e_desk_current_get(zone);
if (desk)
bgfile = e_bg_file_get(zone->num, desk->x, desk->y);
else
bgfile = e_bg_file_get(zone->num, -1, -1);
if (zone->bg_object)
{
const char *pfile = NULL;
edje_object_file_get(zone->bg_object, &pfile, NULL);
if (!pfile) e_icon_file_get(zone->bg_object, &pfile, NULL);
if (!pfile) pfile = e_video_file_get(zone->bg_object);
if (pfile)
{
if (!e_util_strcmp(pfile, bgfile)) goto end;
}
}
if (transition == E_BG_TRANSITION_NONE)
E_FREE_FUNC(zone->bg_object, evas_object_del);
else
{
char buf[4096];
if (zone->bg_object)
{
E_FREE_FUNC(zone->prev_bg_object, evas_object_del);
zone->prev_bg_object = zone->bg_object;
zone->bg_object = NULL;
E_FREE_FUNC(zone->transition_object, evas_object_del);
}
o = edje_object_add(e_comp->evas);
evas_object_repeat_events_set(o, 1);
zone->transition_object = o;
evas_object_name_set(zone->transition_object, "zone->transition_object");
/* FIXME: segv if zone is deleted while up??? */
evas_object_data_set(o, "e_zone", zone);
snprintf(buf, sizeof(buf), "e/transitions/%s", trans);
e_theme_edje_object_set(o, "base/theme/transitions", buf);
edje_object_signal_callback_add(o, "e,state,done", "*", _e_bg_signal, zone);
evas_object_move(o, zone->x, zone->y);
evas_object_resize(o, zone->w, zone->h);
evas_object_layer_set(o, E_LAYER_BG);
evas_object_clip_set(o, zone->bg_clip_object);
evas_object_show(o);
}
if (eina_str_has_extension(bgfile, ".edj"))
{
o = edje_object_add(e_comp->evas);
edje_object_file_set(o, bgfile, "e/desktop/background");
if (edje_object_data_get(o, "noanimation"))
edje_object_animation_set(o, EINA_FALSE);
}
else if ((eina_str_has_extension(bgfile, ".gif")) ||
(eina_str_has_extension(bgfile, ".png")) ||
(eina_str_has_extension(bgfile, ".jpg")) ||
(eina_str_has_extension(bgfile, ".jpeg")) ||
(eina_str_has_extension(bgfile, ".bmp")))
{
o = e_icon_add(e_comp->evas);
e_icon_file_key_set(o, bgfile, NULL);
e_icon_fill_inside_set(o, 0);
}
else
{
o = e_video_add(e_comp->evas, bgfile, EINA_FALSE);
}
evas_object_data_set(o, "e_zone", zone);
evas_object_repeat_events_set(o, 1);
zone->bg_object = o;
evas_object_name_set(zone->bg_object, "zone->bg_object");
if (transition == E_BG_TRANSITION_NONE)
{
evas_object_move(o, zone->x, zone->y);
evas_object_resize(o, zone->w, zone->h);
evas_object_layer_set(o, E_LAYER_BG);
}
evas_object_clip_set(o, zone->bg_clip_object);
evas_object_show(o);
if (transition != E_BG_TRANSITION_NONE)
{
edje_object_part_swallow(zone->transition_object, "e.swallow.bg.old",
zone->prev_bg_object);
edje_object_part_swallow(zone->transition_object, "e.swallow.bg.new",
zone->bg_object);
edje_object_signal_emit(zone->transition_object, "e,action,start", "e");
}
if (zone->bg_object) evas_object_name_set(zone->bg_object, "zone->bg_object");
if (zone->prev_bg_object) evas_object_name_set(zone->prev_bg_object, "zone->prev_bg_object");
if (zone->transition_object) evas_object_name_set(zone->transition_object, "zone->transition_object");
evas_object_move(zone->transition_object, zone->x, zone->y);
evas_object_resize(zone->transition_object, zone->w, zone->h);
e_comp_canvas_zone_update(zone);
end:
eina_stringshare_del(bgfile);
}
E_API void
e_bg_default_set(const char *file)
{
E_Event_Bg_Update *ev;
Eina_Bool changed;
file = eina_stringshare_add(file);
changed = file != e_config->desktop_default_background;
if (!changed)
{
eina_stringshare_del(file);
return;
}
if (e_config->desktop_default_background)
{
e_filereg_deregister(e_config->desktop_default_background);
eina_stringshare_del(e_config->desktop_default_background);
}
if (file)
{
e_filereg_register(file);
e_config->desktop_default_background = file;
}
else
e_config->desktop_default_background = NULL;
ev = E_NEW(E_Event_Bg_Update, 1);
ev->zone = -1;
ev->desk_x = -1;
ev->desk_y = -1;
ecore_event_add(E_EVENT_BG_UPDATE, ev, _e_bg_event_bg_update_free, NULL);
}
E_API void
e_bg_add(int zone, int desk_x, int desk_y, const char *file)
{
const Eina_List *l;
E_Config_Desktop_Background *cfbg;
E_Event_Bg_Update *ev;
file = eina_stringshare_add(file);
EINA_LIST_FOREACH(e_config->desktop_backgrounds, l, cfbg)
{
if ((cfbg) &&
(cfbg->zone == zone) &&
(cfbg->desk_x == desk_x) &&
(cfbg->desk_y == desk_y) &&
(cfbg->file == file))
{
eina_stringshare_del(file);
return;
}
}
e_bg_del(zone, desk_x, desk_y);
cfbg = E_NEW(E_Config_Desktop_Background, 1);
cfbg->zone = zone;
cfbg->desk_x = desk_x;
cfbg->desk_y = desk_y;
cfbg->file = file;
e_config->desktop_backgrounds = eina_list_append(e_config->desktop_backgrounds, cfbg);
e_filereg_register(cfbg->file);
ev = E_NEW(E_Event_Bg_Update, 1);
ev->zone = zone;
ev->desk_x = desk_x;
ev->desk_y = desk_y;
ecore_event_add(E_EVENT_BG_UPDATE, ev, _e_bg_event_bg_update_free, NULL);
}
E_API void
e_bg_del(int zone, int desk_x, int desk_y)
{
Eina_List *l;
E_Config_Desktop_Background *cfbg;
E_Event_Bg_Update *ev;
EINA_LIST_FOREACH(e_config->desktop_backgrounds, l, cfbg)
{
if (!cfbg) continue;
if ((cfbg->zone == zone) && (cfbg->desk_x == desk_x) && (cfbg->desk_y == desk_y))
{
e_config->desktop_backgrounds = eina_list_remove_list(e_config->desktop_backgrounds, l);
e_filereg_deregister(cfbg->file);
if (cfbg->file) eina_stringshare_del(cfbg->file);
free(cfbg);
break;
}
}
ev = E_NEW(E_Event_Bg_Update, 1);
ev->zone = zone;
ev->desk_x = desk_x;
ev->desk_y = desk_y;
ecore_event_add(E_EVENT_BG_UPDATE, ev, _e_bg_event_bg_update_free, NULL);
}
E_API void
e_bg_update(void)
{
const Eina_List *l;
E_Zone *zone;
EINA_LIST_FOREACH(e_comp->zones, l, zone)
e_zone_bg_reconfigure(zone);
}
/* local subsystem functions */
/**
* Set background to image, as required in e_fm2_mime_handler_new()
*/
static void
e_bg_handler_set(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, const char *path)
{
char buf[4096];
int copy = 1;
if (!path) return;
if (!eina_str_has_extension(path, "edj"))
{
e_import_config_dialog_show(NULL, path, (Ecore_End_Cb)_e_bg_handler_image_imported, NULL);
return;
}
/* if not in system dir or user dir, copy to user dir */
e_prefix_data_concat_static(buf, "data/backgrounds");
if (!strncmp(buf, path, strlen(buf)))
copy = 0;
if (copy)
{
e_user_dir_concat_static(buf, "backgrounds");
if (!strncmp(buf, path, strlen(buf)))
copy = 0;
}
if (copy)
{
const char *file;
char *name;
file = ecore_file_file_get(path);
name = ecore_file_strip_ext(file);
e_user_dir_snprintf(buf, sizeof(buf), "backgrounds/%s-%f.edj", name, ecore_time_unix_get());
free(name);
if (!ecore_file_exists(buf))
{
ecore_file_cp(path, buf);
e_bg_default_set(buf);
}
else
e_bg_default_set(path);
}
else
e_bg_default_set(path);
e_bg_update();
e_config_save_queue();
}
/**
* Test if possible to set background to file, as required in
* e_fm2_mime_handler_new()
*
* This handler tests for files that would be acceptable for setting
* background.
*
* You should just register it with "*.edj" (glob matching extension)
* or "image/" (mimetypes)that are acceptable with Evas loaders.
*
* Just edje files with "e/desktop/background" group are used.
*/
static int
e_bg_handler_test(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, const char *path)
{
if (!path) return 0;
if (eina_str_has_extension(path, "edj"))
{
if (edje_file_group_exists(path, "e/desktop/background")) return 1;
return 0;
}
/* it's image/png or image/jpeg, we'll import it. */
return 1;
}
static void
_e_bg_signal(void *data, Evas_Object *obj EINA_UNUSED, const char *emission EINA_UNUSED, const char *source EINA_UNUSED)
{
E_Zone *zone = data;
E_FREE_FUNC(zone->prev_bg_object, evas_object_del);
E_FREE_FUNC(zone->transition_object, evas_object_del);
e_comp_canvas_zone_update(zone);
evas_object_move(zone->bg_object, zone->x, zone->y);
evas_object_resize(zone->bg_object, zone->w, zone->h);
evas_object_layer_set(zone->bg_object, E_LAYER_BG);
evas_object_clip_set(zone->bg_object, zone->bg_clip_object);
evas_object_show(zone->bg_object);
}
static void
_e_bg_event_bg_update_free(void *data EINA_UNUSED, void *event)
{
free(event);
}
static void
_e_bg_handler_image_imported(const char *image_path, void *data EINA_UNUSED)
{
e_bg_default_set(image_path);
e_bg_update();
e_config_save_queue();
}