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/* foundry-model-manager.c
*
* Copyright 2025 Christian Hergert <chergert@redhat.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include "eggflattenlistmodel.h"
#include "eggmaplistmodel.h"
#include "foundry-debug.h"
#include "foundry-model-manager.h"
/**
* FoundryModelManager:
*
* Integrate with platform high-level models such as flatten or map.
*/
G_DEFINE_TYPE (FoundryModelManager, foundry_model_manager, G_TYPE_OBJECT)
static GListModel *
foundry_model_manager_real_flatten (FoundryModelManager *self,
GListModel *model)
{
return G_LIST_MODEL (egg_flatten_list_model_new (model));
}
static GListModel *
foundry_model_manager_real_map (FoundryModelManager *self,
GListModel *model,
FoundryListModelMapFunc map_func,
gpointer user_data,
GDestroyNotify user_destroy)
{
return G_LIST_MODEL (egg_map_list_model_new (model, map_func, user_data, user_destroy));
}
static void
foundry_model_manager_class_init (FoundryModelManagerClass *klass)
{
klass->flatten = foundry_model_manager_real_flatten;
klass->map = foundry_model_manager_real_map;
}
static void
foundry_model_manager_init (FoundryModelManager *self)
{
}
/**
* foundry_model_manager_flatten:
* @self: a [class@Foundry.ModelManager]
* @model: (transfer full) (nullable): a [iface@Gio.ListModel]
*
* Returns: (transfer full):
*/
GListModel *
foundry_model_manager_flatten (FoundryModelManager *self,
GListModel *model)
{
return FOUNDRY_MODEL_MANAGER_GET_CLASS (self)->flatten (self, model);
}
/**
* foundry_model_manager_map:
* @self: a [class@Foundry.ModelManager]
* @model: (transfer full) (nullable): a [iface@Gio.ListModel]
*
* Returns: (transfer full):
*/
GListModel *
foundry_model_manager_map (FoundryModelManager *self,
GListModel *model,
FoundryListModelMapFunc map_func,
gpointer user_data,
GDestroyNotify user_destroy)
{
return FOUNDRY_MODEL_MANAGER_GET_CLASS (self)->map (self, model, map_func, user_data, user_destroy);
}
static G_LOCK_DEFINE (default_instance);
static FoundryModelManager *default_instance;
/**
* foundry_model_manager_dup_default:
*
* Returns: (transfer full):
*/
FoundryModelManager *
foundry_model_manager_dup_default (void)
{
FoundryModelManager *ret;
G_LOCK (default_instance);
if (default_instance == NULL)
default_instance = g_object_new (FOUNDRY_TYPE_MODEL_MANAGER, NULL);
ret = g_object_ref (default_instance);
G_UNLOCK (default_instance);
return ret;
}
void
foundry_model_manager_set_default (FoundryModelManager *self)
{
g_return_if_fail (!self || FOUNDRY_IS_MODEL_MANAGER (self));
G_LOCK (default_instance);
g_set_object (&default_instance, self);
G_UNLOCK (default_instance);
}
/**
* foundry_flatten_list_model_new:
* @model: (transfer full) (nullable):
*
* Returns: (transfer full):
*/
GListModel *
foundry_flatten_list_model_new (GListModel *model)
{
g_autoptr(FoundryModelManager) self = foundry_model_manager_dup_default ();
return foundry_model_manager_flatten (self, model);
}
/**
* foundry_map_list_model_new:
* @model: (transfer full) (nullable): a [iface@Gio.ListModel]
*
* Returns: (transfer full):
*/
GListModel *
foundry_map_list_model_new (GListModel *model,
FoundryListModelMapFunc map_func,
gpointer user_data,
GDestroyNotify user_destroy)
{
g_autoptr(FoundryModelManager) self = foundry_model_manager_dup_default ();
return foundry_model_manager_map (self, model, map_func, user_destroy, user_destroy);
}
/**
* foundry_list_model_set_future:
* @future: (nullable): a [class@Dex.Future] or %NULL
*
* Sets the future that can be awaited for completion of populating
* the list model.
*/
void
foundry_list_model_set_future (GListModel *model,
DexFuture *future)
{
g_return_if_fail (FOUNDRY_IS_MAIN_THREAD ());
g_return_if_fail (G_IS_LIST_MODEL (model));
g_return_if_fail (!future || DEX_IS_FUTURE (future));
g_object_set_data_full (G_OBJECT (model),
"FOUNDRY_LIST_MODEL_FUTURE",
dex_ref (future),
dex_unref);
}
/**
* foundry_list_model_await:
*
* Returns a future that resolves when the list has completed
* being populated or rejects with error.
*
* Use foundry_list_model_set_future() to affect the future that is
* used here.
*
* If no future has been set, this function returns a future that
* has already resolved (e.g. True).
*
* Returns: (transfer full):
*/
DexFuture *
foundry_list_model_await (GListModel *model)
{
DexFuture *future;
dex_return_error_if_fail (FOUNDRY_IS_MAIN_THREAD ());
dex_return_error_if_fail (G_IS_LIST_MODEL (model));
if ((future = g_object_get_data (G_OBJECT (model), "FOUNDRY_LIST_MODEL_FUTURE")))
return dex_ref (future);
return dex_future_new_true ();
}
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