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RetroArch/tasks/task_playlist_manager.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2014-2017 - Jean-André Santoni
* Copyright (C) 2016-2019 - Brad Parker
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <string/stdstring.h>
#include <file/file_path.h>
#include "tasks_internal.h"
#include "../msg_hash.h"
#include "../file_path_special.h"
#include "../playlist.h"
#ifndef COLLECTION_SIZE
#define COLLECTION_SIZE 99999
#endif
enum pl_manager_status
{
PL_MANAGER_BEGIN = 0,
PL_MANAGER_ITERATE_ENTRY,
PL_MANAGER_END
};
typedef struct pl_manager_handle
{
char *playlist_path;
char *playlist_name;
playlist_t *playlist;
size_t list_size;
size_t list_index;
enum pl_manager_status status;
} pl_manager_handle_t;
/**************************/
/* Reset Associated Cores */
/**************************/
static void free_pl_manager_handle(pl_manager_handle_t *pl_manager)
{
if (!pl_manager)
return;
if (!string_is_empty(pl_manager->playlist_path))
{
free(pl_manager->playlist_path);
pl_manager->playlist_path = NULL;
}
if (!string_is_empty(pl_manager->playlist_name))
{
free(pl_manager->playlist_name);
pl_manager->playlist_name = NULL;
}
if (pl_manager->playlist)
{
playlist_free(pl_manager->playlist);
pl_manager->playlist = NULL;
}
free(pl_manager);
pl_manager = NULL;
}
static void task_pl_manager_reset_cores_handler(retro_task_t *task)
{
pl_manager_handle_t *pl_manager = NULL;
if (!task)
goto task_finished;
pl_manager = (pl_manager_handle_t*)task->state;
if (!pl_manager)
goto task_finished;
if (task_get_cancelled(task))
goto task_finished;
switch (pl_manager->status)
{
case PL_MANAGER_BEGIN:
{
/* Load playlist */
if (!path_is_valid(pl_manager->playlist_path))
goto task_finished;
pl_manager->playlist = playlist_init(pl_manager->playlist_path, COLLECTION_SIZE);
if (!pl_manager->playlist)
goto task_finished;
pl_manager->list_size = playlist_size(pl_manager->playlist);
if (pl_manager->list_size < 1)
goto task_finished;
/* All good - can start iterating */
pl_manager->status = PL_MANAGER_ITERATE_ENTRY;
}
break;
case PL_MANAGER_ITERATE_ENTRY:
{
const struct playlist_entry *entry = NULL;
/* Get current entry */
playlist_get_index(
pl_manager->playlist, pl_manager->list_index, &entry);
if (entry)
{
struct playlist_entry update_entry = {0};
char task_title[PATH_MAX_LENGTH];
char detect_string[PATH_MAX_LENGTH];
task_title[0] = '\0';
detect_string[0] = '\0';
/* Update progress display */
task_free_title(task);
strlcpy(
task_title, msg_hash_to_str(MSG_PLAYLIST_MANAGER_RESETTING_CORES),
sizeof(task_title));
if (!string_is_empty(entry->label))
strlcat(task_title, entry->label, sizeof(task_title));
else if (!string_is_empty(entry->path))
{
char entry_name[PATH_MAX_LENGTH];
entry_name[0] = '\0';
fill_pathname_base_noext(entry_name, entry->path, sizeof(entry_name));
strlcat(task_title, entry_name, sizeof(task_title));
}
task_set_title(task, strdup(task_title));
task_set_progress(task, (pl_manager->list_index * 100) / pl_manager->list_size);
/* Reset core association */
strlcpy(detect_string, file_path_str(FILE_PATH_DETECT), sizeof(detect_string));
update_entry.core_path = detect_string;
update_entry.core_name = detect_string;
playlist_update(
pl_manager->playlist, pl_manager->list_index, &update_entry);
}
/* Increment entry index */
pl_manager->list_index++;
if (pl_manager->list_index >= pl_manager->list_size)
pl_manager->status = PL_MANAGER_END;
}
break;
case PL_MANAGER_END:
{
playlist_t *cached_playlist = playlist_get_cached();
char task_title[PATH_MAX_LENGTH];
task_title[0] = '\0';
/* Save playlist changes to disk */
playlist_write_file(pl_manager->playlist);
/* If this is the currently cached playlist, then
* it must be re-cached (otherwise changes will be
* lost if the currently cached playlist is saved
* to disk for any reason...) */
if (cached_playlist)
{
if (string_is_equal(pl_manager->playlist_path, playlist_get_conf_path(cached_playlist)))
{
playlist_free_cached();
playlist_init_cached(pl_manager->playlist_path, COLLECTION_SIZE);
}
}
/* Update progress display */
task_free_title(task);
strlcpy(
task_title, msg_hash_to_str(MSG_PLAYLIST_MANAGER_CORES_RESET),
sizeof(task_title));
strlcat(task_title, pl_manager->playlist_name, sizeof(task_title));
task_set_title(task, strdup(task_title));
task_set_progress(task, 100);
goto task_finished;
}
break;
default:
task_set_progress(task, 100);
goto task_finished;
break;
}
return;
task_finished:
if (task)
task_set_finished(task, true);
free_pl_manager_handle(pl_manager);
}
static bool task_pl_manager_reset_cores_finder(retro_task_t *task, void *user_data)
{
pl_manager_handle_t *pl_manager = NULL;
if (!task || !user_data)
return false;
if (task->handler != task_pl_manager_reset_cores_handler)
return false;
pl_manager = (pl_manager_handle_t*)task->state;
if (!pl_manager)
return false;
return string_is_equal((const char*)user_data, pl_manager->playlist_path);
}
bool task_push_pl_manager_reset_cores(const char *playlist_path)
{
task_finder_data_t find_data;
char playlist_name[PATH_MAX_LENGTH];
char task_title[PATH_MAX_LENGTH];
retro_task_t *task = task_init();
pl_manager_handle_t *pl_manager = (pl_manager_handle_t*)calloc(1, sizeof(pl_manager_handle_t));
playlist_name[0] = '\0';
task_title[0] = '\0';
/* Sanity check */
if (!task || !pl_manager)
goto error;
if (string_is_empty(playlist_path))
goto error;
fill_pathname_base_noext(playlist_name, playlist_path, sizeof(playlist_name));
if (string_is_empty(playlist_name))
goto error;
/* Concurrent management of the same playlist
* is not allowed */
find_data.func = task_pl_manager_reset_cores_finder;
find_data.userdata = (void*)playlist_path;
if (task_queue_find(&find_data))
goto error;
/* Configure task */
strlcpy(
task_title, msg_hash_to_str(MSG_PLAYLIST_MANAGER_RESETTING_CORES),
sizeof(task_title));
strlcat(task_title, playlist_name, sizeof(task_title));
task->handler = task_pl_manager_reset_cores_handler;
task->state = pl_manager;
task->title = strdup(task_title);
task->alternative_look = true;
task->progress = 0;
/* Configure handle */
pl_manager->playlist_path = strdup(playlist_path);
pl_manager->playlist_name = strdup(playlist_name);
pl_manager->playlist = NULL;
pl_manager->list_size = 0;
pl_manager->list_index = 0;
pl_manager->status = PL_MANAGER_BEGIN;
task_queue_push(task);
return true;
error:
if (task)
{
free(task);
task = NULL;
}
if (pl_manager)
{
free(pl_manager);
pl_manager = NULL;
}
return false;
}
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