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|
#ifdef HAVE_CONFIG_H
# include "elementary_config.h"
#endif
#include <Elementary.h>
#include <Elementary_Cursor.h>
#include "elm_priv.h"
typedef struct _Elm_Store_Filesystem Elm_Store_Filesystem;
typedef struct _Elm_Store_Item_Filesystem Elm_Store_Item_Filesystem;
#define ELM_STORE_MAGIC 0x3f89ea56
#define ELM_STORE_FILESYSTEM_MAGIC 0x3f89ea57
#define ELM_STORE_ITEM_MAGIC 0x5afe8c1d
struct _Elm_Store
{
EINA_MAGIC;
void (*free)(Elm_Store *store);
struct
{
void (*free)(Elm_Store_Item *item);
} item;
Evas_Object *genlist;
Ecore_Thread *list_th;
Eina_Inlist *items;
Eina_List *realized;
int realized_count;
int cache_max;
struct
{
struct
{
Elm_Store_Item_List_Cb func;
void *data;
} list;
struct
{
Elm_Store_Item_Fetch_Cb func;
void *data;
} fetch;
struct
{
Elm_Store_Item_Unfetch_Cb func;
void *data;
} unfetch;
} cb;
Eina_Bool sorted : 1;
Eina_Bool fetch_thread : 1;
};
struct _Elm_Store_Item
{
EINA_INLIST;
EINA_MAGIC;
Elm_Store *store;
Elm_Object_Item *item;
Ecore_Thread *fetch_th;
Ecore_Job *eval_job;
const Elm_Store_Item_Mapping *mapping;
void *data;
Eina_Lock lock;
Eina_Bool live : 1;
Eina_Bool was_live : 1;
Eina_Bool realized : 1;
Eina_Bool fetched : 1;
};
struct _Elm_Store_Filesystem
{
Elm_Store base;
EINA_MAGIC;
const char *dir;
};
struct _Elm_Store_Item_Filesystem
{
Elm_Store_Item base;
const char *path;
};
static Elm_Genlist_Item_Class _store_item_class;
static void
_store_cache_trim(Elm_Store *st)
{
while ((st->realized) &&
(((int)eina_list_count(st->realized) - st->realized_count)
> st->cache_max))
{
Elm_Store_Item *sti = st->realized->data;
if (sti->realized)
{
st->realized = eina_list_remove_list(st->realized, st->realized);
sti->realized = EINA_FALSE;
}
eina_lock_take(&sti->lock);
if (!sti->fetched)
{
eina_lock_release(&sti->lock);
ELM_SAFE_FREE(sti->fetch_th, ecore_thread_cancel);
eina_lock_take(&sti->lock);
}
sti->fetched = EINA_FALSE;
//// let fetch/unfetch do the locking
// eina_lock_release(&sti->lock);
if (st->cb.unfetch.func)
st->cb.unfetch.func(st->cb.unfetch.data, sti);
// eina_lock_take(&sti->lock);
sti->data = NULL;
eina_lock_release(&sti->lock);
}
}
static void
_store_genlist_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
{
Elm_Store *st = data;
st->genlist = NULL;
ELM_SAFE_FREE(st->list_th, ecore_thread_cancel);
st->realized = eina_list_free(st->realized);
while (st->items)
{
Elm_Store_Item *sti = (Elm_Store_Item *)st->items;
ELM_SAFE_FREE(sti->eval_job, ecore_job_del);
ELM_SAFE_FREE(sti->fetch_th, ecore_thread_cancel);
if (sti->store->item.free) sti->store->item.free(sti);
eina_lock_take(&sti->lock);
if (sti->data)
{
if (st->cb.unfetch.func)
st->cb.unfetch.func(st->cb.unfetch.data, sti);
sti->data = NULL;
}
eina_lock_release(&sti->lock);
eina_lock_free(&sti->lock);
st->items = eina_inlist_remove(st->items, EINA_INLIST_GET(sti));
free(sti);
}
// FIXME: kill threads and more
}
////// **** WARNING ***********************************************************
//// * This function runs inside a thread outside efl mainloop. Be careful! *
// ************************************************************************
/* TODO: refactor lock part into core? this does not depend on filesystem part */
static void
_store_filesystem_fetch_do(void *data, Ecore_Thread *th EINA_UNUSED)
{
Elm_Store_Item *sti = data;
eina_lock_take(&sti->lock);
if (sti->data)
{
eina_lock_release(&sti->lock);
return;
}
if (!sti->fetched)
{
//// let fetch/unfetch do the locking
// eina_lock_release(&sti->lock);
if (sti->store->cb.fetch.func)
sti->store->cb.fetch.func(sti->store->cb.fetch.data, sti);
// eina_lock_take(&sti->lock);
sti->fetched = EINA_TRUE;
}
eina_lock_release(&sti->lock);
}
// ************************************************************************
//// * End of separate thread function. *
////// ************************************************************************
/* TODO: refactor lock part into core? this does not depend on filesystem part */
static void
_store_filesystem_fetch_end(void *data, Ecore_Thread *th)
{
Elm_Store_Item *sti = data;
eina_lock_take(&sti->lock);
if (sti->data) elm_genlist_item_update(sti->item);
eina_lock_release(&sti->lock);
if (th == sti->fetch_th) sti->fetch_th = NULL;
}
/* TODO: refactor lock part into core? this does not depend on filesystem part */
static void
_store_filesystem_fetch_cancel(void *data, Ecore_Thread *th)
{
Elm_Store_Item *sti = data;
eina_lock_take(&sti->lock);
if (th == sti->fetch_th) sti->fetch_th = NULL;
if (sti->data) elm_genlist_item_update(sti->item);
eina_lock_release(&sti->lock);
}
static void
_store_item_eval(void *data)
{
Elm_Store_Item *sti = data;
sti->eval_job = NULL;
if (sti->live == sti->was_live) return;
sti->was_live = sti->live;
if (sti->live)
{
_store_cache_trim(sti->store);
if (sti->realized)
sti->store->realized = eina_list_remove(sti->store->realized, sti);
sti->store->realized = eina_list_append(sti->store->realized, sti);
sti->realized = EINA_TRUE;
if ((sti->store->fetch_thread) && (!sti->fetch_th))
sti->fetch_th = ecore_thread_run(_store_filesystem_fetch_do,
_store_filesystem_fetch_end,
_store_filesystem_fetch_cancel,
sti);
else if ((!sti->store->fetch_thread))
{
_store_filesystem_fetch_do(sti, NULL);
_store_filesystem_fetch_end(sti, NULL);
}
}
else
{
ELM_SAFE_FREE(sti->fetch_th, ecore_thread_cancel);
_store_cache_trim(sti->store);
}
}
static Eina_Bool
_store_genlist_item_realized(void *data, const Eo_Event *event)
{
Elm_Store *st = data;
Elm_Object_Item *gli = event->info;
Elm_Store_Item *sti = elm_object_item_data_get(gli);
if (!sti) return EINA_TRUE;
st->realized_count++;
sti->live = EINA_TRUE;
ecore_job_del(sti->eval_job);
sti->eval_job = ecore_job_add(_store_item_eval, sti);
return EINA_TRUE;
}
static Eina_Bool
_store_genlist_item_unrealized(void *data, const Eo_Event *event)
{
Elm_Store *st = data;
Elm_Object_Item *gli = event->info;
Elm_Store_Item *sti = elm_object_item_data_get(gli);
if (!sti) return EINA_TRUE;
st->realized_count--;
sti->live = EINA_FALSE;
ecore_job_del(sti->eval_job);
sti->eval_job = ecore_job_add(_store_item_eval, sti);
return EINA_TRUE;
}
static const Elm_Store_Item_Mapping *
_store_item_mapping_find(Elm_Store_Item *sti, const char *part)
{
const Elm_Store_Item_Mapping *m;
for (m = sti->mapping; m; m ++)
{
if (m->type == ELM_STORE_ITEM_MAPPING_NONE) break;
if (!strcmp(part, m->part)) return m;
}
return NULL;
}
static char *
_store_item_text_get(void *data, Evas_Object *obj EINA_UNUSED, const char *part)
{
Elm_Store_Item *sti = data;
const char *s = "";
eina_lock_take(&sti->lock);
if (sti->data)
{
const Elm_Store_Item_Mapping *m = _store_item_mapping_find(sti, part);
if (m)
{
switch (m->type)
{
case ELM_STORE_ITEM_MAPPING_LABEL:
s = *(char **)(((unsigned char *)sti->data) + m->offset);
break;
case ELM_STORE_ITEM_MAPPING_CUSTOM:
if (m->details.custom.func)
s = m->details.custom.func(sti->data, sti, part);
break;
default:
break;
}
}
}
eina_lock_release(&sti->lock);
return s ? strdup(s) : NULL;
}
static Evas_Object *
_store_item_content_get(void *data, Evas_Object *obj, const char *part)
{
Elm_Store_Item *sti = data;
eina_lock_take(&sti->lock);
if (sti->data)
{
const Elm_Store_Item_Mapping *m = _store_item_mapping_find(sti, part);
if (m)
{
Evas_Object *ic = NULL;
const char *s = NULL;
switch (m->type)
{
case ELM_STORE_ITEM_MAPPING_ICON:
ic = elm_icon_add(obj);
s = *(char **)(((unsigned char *)sti->data) + m->offset);
evas_object_size_hint_aspect_set(ic,
EVAS_ASPECT_CONTROL_VERTICAL,
m->details.icon.w,
m->details.icon.h);
elm_image_smooth_set(ic, m->details.icon.smooth);
elm_image_no_scale_set(ic, m->details.icon.no_scale);
elm_image_resizable_set(ic,
m->details.icon.scale_up,
m->details.icon.scale_down);
if (s)
{
if (m->details.icon.standard_name)
elm_icon_standard_set(ic, s);
else
elm_image_file_set(ic, s, NULL);
}
break;
case ELM_STORE_ITEM_MAPPING_PHOTO:
ic = elm_icon_add(obj);
s = *(char **)(((unsigned char *)sti->data) + m->offset);
elm_photo_size_set(ic, m->details.photo.size);
if (s)
elm_photo_file_set(ic, s);
break;
case ELM_STORE_ITEM_MAPPING_CUSTOM:
if (m->details.custom.func)
ic = m->details.custom.func(sti->data, sti, part);
break;
default:
break;
}
eina_lock_release(&sti->lock);
return ic;
}
}
eina_lock_release(&sti->lock);
return NULL;
}
static void
_store_item_del(void *data EINA_UNUSED, Evas_Object *obj EINA_UNUSED)
{
}
////// **** WARNING ***********************************************************
//// * This function runs inside a thread outside efl mainloop. Be careful! *
// ************************************************************************
static int
_store_filesystem_sort_cb(void *d1, void *d2)
{
Elm_Store_Item_Info *info1 = d1, *info2 = d2;
if ((!info1->sort_id) || (!info2->sort_id)) return 0;
return strcoll(info1->sort_id, info2->sort_id);
}
static void
_store_filesystem_list_do(void *data, Ecore_Thread *th EINA_UNUSED)
{
Elm_Store_Filesystem *st = data;
Eina_Iterator *it;
const Eina_File_Direct_Info *finf;
Eina_List *sorted = NULL;
Elm_Store_Item_Info_Filesystem *info;
// FIXME: need a way to abstract the open, list, feed items from list
// and maybe get initial sortable key vals etc.
it = eina_file_stat_ls(st->dir);
if (!it) return;
EINA_ITERATOR_FOREACH(it, finf)
{
Eina_Bool ok;
size_t pathsz = finf->path_length + 1;
if (finf->path[finf->name_start] == '.') continue ;
info = calloc(1, sizeof(Elm_Store_Item_Info_Filesystem) + pathsz);
if (!info) continue;
info->path = ((char *)info) + sizeof(Elm_Store_Item_Info_Filesystem);
memcpy(info->path, finf->path, pathsz);
ok = EINA_TRUE;
if (st->base.cb.list.func)
ok = st->base.cb.list.func(st->base.cb.list.data, &info->base);
if (ok)
{
if (!st->base.sorted) ecore_thread_feedback(th, info);
else sorted = eina_list_append(sorted, info);
}
else
{
free(info->base.sort_id);
free(info);
}
if (ecore_thread_check(th)) break;
}
eina_iterator_free(it);
if (sorted)
{
sorted = eina_list_sort(sorted, 0,
EINA_COMPARE_CB(_store_filesystem_sort_cb));
EINA_LIST_FREE(sorted, info)
{
if (!ecore_thread_check(th)) ecore_thread_feedback(th, info);
}
}
}
// ************************************************************************
//// * End of separate thread function. *
////// ************************************************************************
static void
_store_filesystem_list_end(void *data, Ecore_Thread *th)
{
Elm_Store *st = data;
if (th == st->list_th) st->list_th = NULL;
}
static void
_store_filesystem_list_cancel(void *data, Ecore_Thread *th)
{
Elm_Store *st = data;
if (th == st->list_th) st->list_th = NULL;
}
static void
_store_filesystem_list_update(void *data, Ecore_Thread *th EINA_UNUSED, void *msg)
{
Elm_Store *st = data;
Elm_Store_Item_Filesystem *sti;
Elm_Genlist_Item_Class *itc;
Elm_Store_Item_Info_Filesystem *info = msg;
sti = calloc(1, sizeof(Elm_Store_Item_Filesystem));
if (!sti) goto done;
eina_lock_new(&sti->base.lock);
EINA_MAGIC_SET(&(sti->base), ELM_STORE_ITEM_MAGIC);
sti->base.store = st;
sti->base.data = info->base.data;
sti->base.mapping = info->base.mapping;
sti->path = eina_stringshare_add(info->path);
itc = info->base.item_class;
if (!itc) itc = &_store_item_class;
else
{
itc->func.text_get = _store_item_text_get;
itc->func.content_get = _store_item_content_get;
itc->func.state_get = NULL; // FIXME: support state gets later
itc->func.del = _store_item_del;
}
// FIXME: handle being a parent (tree)
sti->base.item = elm_genlist_item_append(st->genlist, itc,
sti/* item data */,
NULL/* parent */,
ELM_GENLIST_ITEM_NONE,
NULL/* func */,
NULL/* func data */);
st->items = eina_inlist_append(st->items, (Eina_Inlist *)sti);
done:
free(info->base.sort_id);
free(info);
}
// public api calls
static Elm_Store *
_elm_store_new(size_t size)
{
Elm_Store *st = calloc(1, size);
EINA_SAFETY_ON_NULL_RETURN_VAL(st, NULL);
// TODO: BEGIN - move to elm_store_init()
eina_magic_string_set(ELM_STORE_MAGIC, "Elm_Store");
eina_magic_string_set(ELM_STORE_FILESYSTEM_MAGIC, "Elm_Store_Filesystem");
eina_magic_string_set(ELM_STORE_ITEM_MAGIC, "Elm_Store_Item");
// setup default item class (always the same) if list cb doesn't provide one
_store_item_class.item_style = "default";
_store_item_class.func.text_get = _store_item_text_get;
_store_item_class.func.content_get = _store_item_content_get;
_store_item_class.func.state_get = NULL; // FIXME: support state gets later
_store_item_class.func.del = _store_item_del;
// TODO: END - move to elm_store_init()
EINA_MAGIC_SET(st, ELM_STORE_MAGIC);
st->cache_max = 128;
st->fetch_thread = EINA_TRUE;
return st;
}
#define elm_store_new(type) (type*)_elm_store_new(sizeof(type))
static void
_elm_store_filesystem_free(Elm_Store *store)
{
Elm_Store_Filesystem *st = (Elm_Store_Filesystem *)store;
eina_stringshare_del(st->dir);
}
static void
_elm_store_filesystem_item_free(Elm_Store_Item *item)
{
Elm_Store_Item_Filesystem *sti = (Elm_Store_Item_Filesystem *)item;
eina_stringshare_del(sti->path);
}
EAPI Elm_Store *
elm_store_filesystem_new(void)
{
Elm_Store_Filesystem *st = elm_store_new(Elm_Store_Filesystem);
EINA_SAFETY_ON_NULL_RETURN_VAL(st, NULL);
EINA_MAGIC_SET(st, ELM_STORE_FILESYSTEM_MAGIC);
st->base.free = _elm_store_filesystem_free;
st->base.item.free = _elm_store_filesystem_item_free;
return &st->base;
}
EAPI void
elm_store_free(Elm_Store *st)
{
void (*item_free)(Elm_Store_Item *);
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
ELM_SAFE_FREE(st->list_th, ecore_thread_cancel);
st->realized = eina_list_free(st->realized);
item_free = st->item.free;
while (st->items)
{
Elm_Store_Item *sti = (Elm_Store_Item *)st->items;
ELM_SAFE_FREE(sti->eval_job, ecore_job_del);
ELM_SAFE_FREE(sti->fetch_th, ecore_thread_cancel);
if (item_free) item_free(sti);
eina_lock_take(&sti->lock);
if (sti->data)
{
if (st->cb.unfetch.func)
st->cb.unfetch.func(st->cb.unfetch.data, sti);
sti->data = NULL;
}
eina_lock_release(&sti->lock);
eina_lock_free(&sti->lock);
st->items = eina_inlist_remove(st->items, EINA_INLIST_GET(sti));
free(sti);
}
if (st->genlist)
{
evas_object_event_callback_del_full(st->genlist, EVAS_CALLBACK_DEL, _store_genlist_del, st);
eo_event_callback_del(st->genlist, ELM_GENLIST_EVENT_REALIZED, _store_genlist_item_realized, st);
eo_event_callback_del(st->genlist, ELM_GENLIST_EVENT_UNREALIZED, _store_genlist_item_unrealized, st);
elm_genlist_clear(st->genlist);
st->genlist = NULL;
}
if (st->free) st->free(st);
free(st);
}
EAPI void
elm_store_target_genlist_set(Elm_Store *st, Evas_Object *obj)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
if (st->genlist == obj) return;
if (st->genlist)
{
evas_object_event_callback_del_full(st->genlist, EVAS_CALLBACK_DEL, _store_genlist_del, st);
eo_event_callback_del(st->genlist, ELM_GENLIST_EVENT_REALIZED, _store_genlist_item_realized, st);
eo_event_callback_del(st->genlist, ELM_GENLIST_EVENT_UNREALIZED, _store_genlist_item_unrealized, st);
elm_genlist_clear(st->genlist);
}
st->genlist = obj;
if (!st->genlist) return;
eo_event_callback_add(st->genlist, ELM_GENLIST_EVENT_REALIZED, _store_genlist_item_realized, st);
eo_event_callback_add(st->genlist, ELM_GENLIST_EVENT_UNREALIZED, _store_genlist_item_unrealized, st);
evas_object_event_callback_add(st->genlist, EVAS_CALLBACK_DEL, _store_genlist_del, st);
elm_genlist_clear(st->genlist);
}
EAPI void
elm_store_filesystem_directory_set(Elm_Store *store, const char *dir)
{
Elm_Store_Filesystem *st = (Elm_Store_Filesystem *)store;
if (!EINA_MAGIC_CHECK(store, ELM_STORE_MAGIC)) return;
if (!EINA_MAGIC_CHECK(st, ELM_STORE_FILESYSTEM_MAGIC)) return;
ELM_SAFE_FREE(store->list_th, ecore_thread_cancel);
if (!eina_stringshare_replace(&st->dir, dir)) return;
store->list_th = ecore_thread_feedback_run(_store_filesystem_list_do,
_store_filesystem_list_update,
_store_filesystem_list_end,
_store_filesystem_list_cancel,
st, EINA_TRUE);
}
EAPI const char *
elm_store_filesystem_directory_get(const Elm_Store *store)
{
const Elm_Store_Filesystem *st = (const Elm_Store_Filesystem *)store;
if (!EINA_MAGIC_CHECK(store, ELM_STORE_MAGIC)) return NULL;
if (!EINA_MAGIC_CHECK(st, ELM_STORE_FILESYSTEM_MAGIC)) return NULL;
return st->dir;
}
EAPI void
elm_store_cache_set(Elm_Store *st, int max)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
if (max < 0) max = 0;
st->cache_max = max;
_store_cache_trim(st);
}
EAPI int
elm_store_cache_get(const Elm_Store *st)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return 0;
return st->cache_max;
}
EAPI void
elm_store_list_func_set(Elm_Store *st, Elm_Store_Item_List_Cb func, const void *data)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
st->cb.list.func = func;
st->cb.list.data = (void *)data;
}
EAPI void
elm_store_fetch_func_set(Elm_Store *st, Elm_Store_Item_Fetch_Cb func, const void *data)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
st->cb.fetch.func = func;
st->cb.fetch.data = (void *)data;
}
EAPI void
elm_store_fetch_thread_set(Elm_Store *st, Eina_Bool use_thread)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
st->fetch_thread = !!use_thread;
}
EAPI Eina_Bool
elm_store_fetch_thread_get(const Elm_Store *st)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return EINA_FALSE;
return st->fetch_thread;
}
EAPI void
elm_store_unfetch_func_set(Elm_Store *st, Elm_Store_Item_Unfetch_Cb func, const void *data)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
st->cb.unfetch.func = func;
st->cb.unfetch.data = (void *)data;
}
EAPI void
elm_store_sorted_set(Elm_Store *st, Eina_Bool sorted)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return;
st->sorted = sorted;
}
EAPI Eina_Bool
elm_store_sorted_get(const Elm_Store *st)
{
if (!EINA_MAGIC_CHECK(st, ELM_STORE_MAGIC)) return EINA_FALSE;
return st->sorted;
}
EAPI void
elm_store_item_data_set(Elm_Store_Item *sti, void *data)
{
if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return;
//// let fetch/unfetch do the locking
// eina_lock_take(&sti->lock);
sti->data = data;
// eina_lock_release(&sti->lock);
}
EAPI void *
elm_store_item_data_get(Elm_Store_Item *sti)
{
if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return NULL;
void *d;
//// let fetch/unfetch do the locking
// eina_lock_take(&sti->lock);
d = sti->data;
// eina_lock_release(&sti->lock);
return d;
}
EAPI const Elm_Store *
elm_store_item_store_get(const Elm_Store_Item *sti)
{
if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return NULL;
// dont need lock
return sti->store;
}
EAPI const Elm_Object_Item *
elm_store_item_genlist_item_get(const Elm_Store_Item *sti)
{
if (!EINA_MAGIC_CHECK(sti, ELM_STORE_ITEM_MAGIC)) return NULL;
// dont need lock
return sti->item;
}
EAPI const char *
elm_store_item_filesystem_path_get(const Elm_Store_Item *item)
{
Elm_Store_Item_Filesystem *sti = (Elm_Store_Item_Filesystem *)item;
Elm_Store_Filesystem *st;
if (!EINA_MAGIC_CHECK(item, ELM_STORE_ITEM_MAGIC)) return NULL;
if (!EINA_MAGIC_CHECK(item->store, ELM_STORE_MAGIC)) return NULL;
/* ensure we're dealing with filesystem item */
st = (Elm_Store_Filesystem *)item->store;
if (!EINA_MAGIC_CHECK(st, ELM_STORE_FILESYSTEM_MAGIC)) return NULL;
// dont need lock
return sti->path;
}
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