diff --git a/src/bin/e_bg.c b/src/bin/e_bg.c index 28c7cb70c..053082e25 100644 --- a/src/bin/e_bg.c +++ b/src/bin/e_bg.c @@ -27,6 +27,16 @@ struct _E_Bg_Anim_Params } freedom; }; +struct _E_Bg_Image_Import +{ + E_Object e_obj_inherit; + struct { + void (*func)(void *data, const char *edje_file); + void *data; + } cb; + // TODO: win and widget meat +}; + /* externally accessible functions */ EAPI int e_bg_init(void) @@ -39,7 +49,13 @@ e_bg_init(void) "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"); + if (bg_hdl) + { + e_fm2_mime_handler_glob_add(bg_hdl, "*.edj"); + // TODO: + //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) @@ -383,9 +399,19 @@ e_bg_zone_slide(E_Zone *zone, int prev_x, int prev_y) } EAPI void -e_bg_default_set(char *file) +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) { @@ -396,7 +422,7 @@ e_bg_default_set(char *file) if (file) { e_filereg_register(file); - e_config->desktop_default_background = eina_stringshare_add(file); + e_config->desktop_default_background = file; } else e_config->desktop_default_background = NULL; @@ -410,18 +436,35 @@ e_bg_default_set(char *file) } EAPI void -e_bg_add(int container, int zone, int desk_x, int desk_y, char *file) +e_bg_add(int container, 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->container == container) && + (cfbg->zone == zone) && + (cfbg->desk_x == desk_x) && + (cfbg->desk_y == desk_y) && + (cfbg->file == file)) + { + eina_stringshare_del(file); + return; + } + } + e_bg_del(container, zone, desk_x, desk_y); cfbg = E_NEW(E_Config_Desktop_Background, 1); cfbg->container = container; cfbg->zone = zone; cfbg->desk_x = desk_x; cfbg->desk_y = desk_y; - cfbg->file = eina_stringshare_add(file); + cfbg->file = file; e_config->desktop_backgrounds = eina_list_append(e_config->desktop_backgrounds, cfbg); e_filereg_register(cfbg->file); @@ -437,8 +480,8 @@ e_bg_add(int container, int zone, int desk_x, int desk_y, char *file) EAPI void e_bg_del(int container, int zone, int desk_x, int desk_y) { - Eina_List *l = NULL; - E_Config_Desktop_Background *cfbg = NULL; + Eina_List *l; + E_Config_Desktop_Background *cfbg; E_Event_Bg_Update *ev; EINA_LIST_FOREACH(e_config->desktop_backgrounds, l, cfbg) @@ -483,38 +526,114 @@ e_bg_update(void) } } -EAPI void -e_bg_handler_set(Evas_Object *obj, const char *path, void *data) +static inline Eina_Bool +_e_bg_file_edje_check(const char *path) { - E_Container *con; - E_Zone *zone; - E_Desk *desk; + const char *ext; + const size_t extlen = sizeof(".edj") - 1; + size_t len; - if (!path) return; - con = e_container_current_get(e_manager_current_get()); - zone = e_zone_current_get(con); - desk = e_desk_current_get(zone); - e_bg_del(con->num, zone->num, desk->x, desk->y); - e_bg_add(con->num, zone->num, desk->x, desk->y, (char *)path); - e_bg_update(); - e_config_save_queue(); + if (!path) return EINA_FALSE; + + len = strlen(path); + if (len <= extlen) return EINA_FALSE; + ext = path + len - extlen; + return memcmp(ext, ".edj", extlen) == 0; } -EAPI int -e_bg_handler_test(Evas_Object *obj, const char *path, void *data) +/** + * Go through process of importing an image as E background. + * + * This will go through process of importing an image as E + * background. It will ask fill/tile mode of the image, as well as + * quality to use. + * + * User can cancel operation at any time, and in this case callback is + * called with @c NULL as second parameter. + * + * The operation can be cancelled by application/module as well using + * e_object_del(). Even in this case the callback is called so user + * can free possibly allocated data. + * + * @param image_file source file to use, must be supported by Evas. + * @param cb callback to call when import process is done. The first + * argument is the given data, while the second is the path to + * the imported background file (edje) that can be used with + * e_bg_add() or e_bg_default_set(). Note that if this argument + * is @c NULL, then the import process was cancelled! + * This function is @b always called and after it returns + * E_Bg_Image_Import is deleted. + * @param data pointer to data to be given to callback. + * + * @return E_Object that handles the import process. It will die + * automatically when user cancels the process or when code + * automatically calls e_object_del(). Before dying, callback + * will always be called. + */ +EAPI E_Bg_Image_Import * +e_bg_image_import_new(const char *image_file, void (*cb)(void *data, const char *edje_file), const void *data) { + // TODO: create win and process similar to e_int_config_wallpaper_import() + // TODO: and remove e_int_config_wallpaper_import.[ch] + return NULL; +} + +/** + * Set background to image, as required in e_fm2_mime_handler_new() + */ +EAPI void +e_bg_handler_set(Evas_Object *obj __UNUSED__, const char *path, void *data __UNUSED__) +{ + if (!path) return; + + if (_e_bg_file_edje_check(path)) + { + E_Container *con = e_container_current_get(e_manager_current_get()); + E_Zone *zone = e_zone_current_get(con); + E_Desk *desk = e_desk_current_get(zone); + + e_bg_add(con->num, zone->num, desk->x, desk->y, path); + e_bg_update(); + e_config_save_queue(); + } + + e_bg_image_import_new(path, NULL, NULL); +} + +/** + * 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. + */ +EAPI int +e_bg_handler_test(Evas_Object *obj __UNUSED__, const char *path, void *data __UNUSED__) +{ + if (!path) return 0; - if (edje_file_group_exists(path, "e/desktop/background")) return 1; - return 0; + + if (_e_bg_file_edje_check(path)) + { + 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; } /* local subsystem functions */ static void -_e_bg_signal(void *data, Evas_Object *obj, const char *emission, const char *source) +_e_bg_signal(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__) { - E_Zone *zone; + E_Zone *zone = data; - zone = data; if (zone->prev_bg_object) { evas_object_del(zone->prev_bg_object); @@ -533,7 +652,7 @@ _e_bg_signal(void *data, Evas_Object *obj, const char *emission, const char *sou } static void -_e_bg_event_bg_update_free(void *data, void *event) +_e_bg_event_bg_update_free(void *data __UNUSED__, void *event) { free(event); } diff --git a/src/bin/e_bg.h b/src/bin/e_bg.h index 9323c70f3..319cbabf5 100644 --- a/src/bin/e_bg.h +++ b/src/bin/e_bg.h @@ -12,6 +12,8 @@ typedef enum { typedef struct _E_Event_Bg_Update E_Event_Bg_Update; +typedef struct _E_Bg_Image_Import E_Bg_Image_Import; + #else #ifndef E_BG_H #define E_BG_H @@ -33,12 +35,14 @@ EAPI const E_Config_Desktop_Background *e_bg_config_get(int container_num, int z EAPI const char *e_bg_file_get(int container_num, int zone_num, int desk_x, int desk_y); EAPI void e_bg_zone_update(E_Zone *zone, E_Bg_Transition transition); EAPI void e_bg_zone_slide(E_Zone *zone, int prev_x, int prev_y); -EAPI void e_bg_add(int container, int zone, int desk_x, int desk_y, char *file); +EAPI void e_bg_add(int container, int zone, int desk_x, int desk_y, const char *file); EAPI void e_bg_del(int container, int zone, int desk_x, int desk_y); -EAPI void e_bg_default_set(char *file); +EAPI void e_bg_default_set(const char *file); EAPI void e_bg_update(void); EAPI void e_bg_handler_set(Evas_Object *obj, const char *path, void *data); EAPI int e_bg_handler_test(Evas_Object *obj, const char *path, void *data); +EAPI E_Bg_Image_Import *e_bg_image_import_new(const char *image_file, void (*cb)(void *data, const char *edje_file), const void *data); + #endif #endif