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efl/legacy/elementary/src/bin/test_store.c

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/* NOTE : Before testing elm_store,
email data files should exist in your local storage.
And you can just get example files in enlightenment website.
Use wget to obtain it. It almost 50 Megabytes.
http://www.enlightenment.org/~raster/store.tar.gz
*/
#ifdef HAVE_CONFIG_H
# include "elementary_config.h"
#endif
#include <Elementary.h>
typedef struct _My_Item My_Item;
struct _My_Item
{
char *from, *subject, *date, *head_content;
};
// callbacks just to see user interacting with genlist
static void
_st_selected(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
{
printf("selected: %p\n", event_info);
}
static void
_st_double_clicked(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
{
printf("double clicked: %p\n", event_info);
}
static void
_st_longpress(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
{
printf("longpress %p\n", event_info);
}
// store callbacks to handle loading/parsing/freeing of store items from src
static Elm_Genlist_Item_Class *itc1;
static const Elm_Store_Item_Mapping it1_mapping[] =
{
{
ELM_STORE_ITEM_MAPPING_LABEL,
"elm.title.1", ELM_STORE_ITEM_MAPPING_OFFSET(My_Item, from),
{ .empty = {
EINA_TRUE
} } },
{
ELM_STORE_ITEM_MAPPING_LABEL,
"elm.title.2", ELM_STORE_ITEM_MAPPING_OFFSET(My_Item, subject),
{ .empty = {
EINA_TRUE
} } },
{
ELM_STORE_ITEM_MAPPING_LABEL,
"elm.text", ELM_STORE_ITEM_MAPPING_OFFSET(My_Item, head_content),
{ .empty = {
EINA_TRUE
} } },
{
ELM_STORE_ITEM_MAPPING_ICON,
"elm.swallow.icon", 0,
{ .icon = {
48, 48,
ELM_ICON_LOOKUP_THEME_FDO,
EINA_TRUE, EINA_FALSE,
EINA_TRUE,
EINA_FALSE, EINA_FALSE,
} } },
{
ELM_STORE_ITEM_MAPPING_CUSTOM,
"elm.swallow.end", 0,
{ .custom = {
NULL
} } },
ELM_STORE_ITEM_MAPPING_END
};
////// **** WARNING ***********************************************************
//// * This function runs inside a thread outside efl mainloop. Be careful! *
// ************************************************************************
static Eina_Bool
_st_store_list(void *data EINA_UNUSED, Elm_Store_Item_Info *item_info)
{
Elm_Store_Item_Info_Filesystem *info = (Elm_Store_Item_Info_Filesystem *)item_info;
int id;
char sort_id[7];
// create a sort id based on the filename itself assuming it is a numeric
// value like the id number in mh mail folders which is what this test
// uses as a data source
char *file = strrchr(info->path, '/');
if (file) file++;
else file = info->path;
id = atoi(file);
sort_id[0] = ((id >> 30) & 0x3f) + 32;
sort_id[1] = ((id >> 24) & 0x3f) + 32;
sort_id[2] = ((id >> 18) & 0x3f) + 32;
sort_id[3] = ((id >> 12) & 0x3f) + 32;
sort_id[4] = ((id >> 6) & 0x3f) + 32;
sort_id[5] = ((id >> 0) & 0x3f) + 32;
sort_id[6] = 0;
info->base.sort_id = strdup(sort_id);
// choose the item genlist item class to use (only item style should be
// provided by the app, store will fill everything else in, so it also
// has to be writable
info->base.item_class = itc1; // based on item info - return the item class wanted (only style field used - rest reset to internal funcs store sets up to get label/icon etc)
info->base.mapping = it1_mapping;
info->base.data = NULL; // if we can already parse and load all of item here and want to - set this
return EINA_TRUE; // return true to include this, false not to
}
// ************************************************************************
//// * End of separate thread function. *
////// ************************************************************************
////// **** WARNING ***********************************************************
//// * This function runs inside a thread outside efl mainloop. Be careful! *
// ************************************************************************
static void
_st_store_fetch(void *data EINA_UNUSED, Elm_Store_Item *sti)
{
const char *path = elm_store_item_filesystem_path_get(sti);
My_Item *myit;
FILE *f;
char buf[4096], *p;
Eina_Bool have_content = EINA_FALSE;
char *content = NULL, *content_pos = NULL, *content_end = NULL;
// if we already have my item data - skip
if (elm_store_item_data_get(sti)) return;
// open the mail file and parse it
f = fopen(path, "rb");
if (!f) return;
// alloc my item in memory that holds data to show in the list
myit = calloc(1, sizeof(My_Item));
if (!myit)
{
fclose(f);
return;
}
while (fgets(buf, sizeof(buf), f))
{
if (!have_content)
{
if (!isblank(buf[0]))
{
// get key: From:, Subject: etc.
if (!strncmp(buf, "From:", 5))
{
p = buf + 5;
while ((*p) && (isblank(*p))) p++;
p = strdup(p);
if (p)
{
myit->from = p;
p = strchr(p, '\n');
if (p) *p = 0;
}
}
else if (!strncmp(buf, "Subject:", 8))
{
p = buf + 8;
while ((*p) && (isblank(*p))) p++;
p = strdup(p);
if (p)
{
myit->subject = p;
p = strchr(p, '\n');
if (p) *p = 0;
}
}
else if (!strncmp(buf, "Date:", 5))
{
p = buf + 5;
while ((*p) && (isblank(*p))) p++;
p = strdup(p);
if (p)
{
myit->date = p;
p = strchr(p, '\n');
if (p) *p = 0;
}
}
else if (buf[0] == '\n') // begin of content
have_content = EINA_TRUE;
}
}
else
{
// get first 320 bytes of content/body
if (!content)
{
content = calloc(1, 320);
content_pos = content;
content_end = content + 319;
}
strncat(content_pos, buf, content_end - content_pos - 1);
content_pos = content + strlen(content);
}
}
fclose(f);
myit->head_content = elm_entry_utf8_to_markup(content);
free(content);
elm_store_item_data_set(sti, myit);
}
// ************************************************************************
//// * End of separate thread function. *
////// ************************************************************************
static void
_st_store_unfetch(void *data EINA_UNUSED, Elm_Store_Item *sti)
{
My_Item *myit = elm_store_item_data_get(sti);
if (!myit) return;
if (myit->from) free(myit->from);
if (myit->subject) free(myit->subject);
if (myit->date) free(myit->date);
if (myit->head_content) free(myit->head_content);
free(myit);
}
void
test_store(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
Evas_Object *win, *gl, *bx;
Elm_Store *st;
win = elm_win_util_standard_add("store", "Store");
elm_win_autodel_set(win, EINA_TRUE);
bx = elm_box_add(win);
evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_win_resize_object_add(win, bx);
evas_object_show(bx);
gl = elm_genlist_add(win);
elm_genlist_mode_set(gl, ELM_LIST_COMPRESS);
evas_object_smart_callback_add(gl, "selected", _st_selected, NULL);
evas_object_smart_callback_add(gl, "clicked,double", _st_double_clicked, NULL);
evas_object_smart_callback_add(gl, "longpressed", _st_longpress, NULL);
evas_object_size_hint_weight_set(gl, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
evas_object_size_hint_align_set(gl, EVAS_HINT_FILL, EVAS_HINT_FILL);
elm_box_pack_end(bx, gl);
evas_object_show(gl);
itc1 = elm_genlist_item_class_new();
itc1->item_style = "message";
st = elm_store_filesystem_new();
elm_store_list_func_set(st, _st_store_list, NULL);
elm_store_fetch_func_set(st, _st_store_fetch, NULL);
//elm_store_fetch_thread_set(st, EINA_FALSE);
elm_store_unfetch_func_set(st, _st_store_unfetch, NULL);
elm_store_sorted_set(st, EINA_TRUE);
elm_store_target_genlist_set(st, gl);
elm_store_filesystem_directory_set(st, "./store");
/* item_class_ref is needed for itc1. some items can be added in callbacks */
elm_genlist_item_class_ref(itc1);
elm_genlist_item_class_free(itc1);
evas_object_resize(win, 480, 800);
evas_object_show(win);
}
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