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/* foundry-git-file-list.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 "foundry-git-file-list-private.h"
#include "foundry-git-file-private.h"
static void
maybe_free (gpointer data)
{
if (data)
g_object_unref (data);
}
#define EGG_ARRAY_NAME items
#define EGG_ARRAY_TYPE_NAME Items
#define EGG_ARRAY_ELEMENT_TYPE FoundryGitFile*
#define EGG_ARRAY_FREE_FUNC maybe_free
#include "eggarrayimpl.c"
struct _FoundryGitFileList
{
GObject parent_instance;
git_index *index;
GFile *workdir;
Items items;
};
static GType
foundry_git_file_list_get_item_type (GListModel *model)
{
return FOUNDRY_TYPE_VCS_FILE;
}
static guint
foundry_git_file_list_get_n_items (GListModel *model)
{
FoundryGitFileList *self = FOUNDRY_GIT_FILE_LIST (model);
return git_index_entrycount (self->index);
}
static gpointer
foundry_git_file_list_get_item (GListModel *model,
guint position)
{
FoundryGitFileList *self = FOUNDRY_GIT_FILE_LIST (model);
FoundryGitFile *file;
/* Some GTK list models expect that our objects are persistent
* after fetching until they are invalidated or last reference
* has been dropped.
*
* That gives us two options:
*
* - Retain all the objects after creating (which we do)
* - Weak ref track all of them to cleanup
*
* Currently we opt for the first simply out of the goal
* to avoid the expensive runtime costs of weak pointers,
* though we may try to avoid that in the future with
* backpointers to be cleared instead.
*/
if (position >= items_get_size (&self->items))
return NULL;
if (!(file = items_get (&self->items, position)))
{
const git_index_entry *entry;
if (position >= git_index_entrycount (self->index))
return NULL;
if (!(entry = git_index_get_byindex (self->index, position)))
return NULL;
file = _foundry_git_file_new (self->workdir, entry->path);
self->items.start[position] = file;
}
return g_object_ref (file);
}
static void
list_model_iface_init (GListModelInterface *iface)
{
iface->get_item_type = foundry_git_file_list_get_item_type;
iface->get_n_items = foundry_git_file_list_get_n_items;
iface->get_item = foundry_git_file_list_get_item;
}
G_DEFINE_FINAL_TYPE_WITH_CODE (FoundryGitFileList, foundry_git_file_list, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_LIST_MODEL, list_model_iface_init))
static void
foundry_git_file_list_finalize (GObject *object)
{
FoundryGitFileList *self = (FoundryGitFileList *)object;
items_clear (&self->items);
g_clear_pointer (&self->index, git_index_free);
g_clear_object (&self->workdir);
G_OBJECT_CLASS (foundry_git_file_list_parent_class)->finalize (object);
}
static void
foundry_git_file_list_class_init (FoundryGitFileListClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = foundry_git_file_list_finalize;
}
static void
foundry_git_file_list_init (FoundryGitFileList *self)
{
items_init (&self->items);
}
FoundryGitFileList *
_foundry_git_file_list_new (GFile *workdir,
git_index *index)
{
FoundryGitFileList *self;
g_return_val_if_fail (G_IS_FILE (workdir), NULL);
g_return_val_if_fail (index != NULL, NULL);
self = g_object_new (FOUNDRY_TYPE_GIT_FILE_LIST, NULL);
self->workdir = g_object_ref (workdir);
self->index = g_steal_pointer (&index);
items_set_size (&self->items, git_index_entrycount (self->index));
return self;
}
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