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/*
* transmission-remote-gtk - A GTK RPC client to Transmission
* Copyright (C) 2011-2013 Alan Fitton
* This program 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 Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <gtk/gtk.h>
#include <json-glib/json-glib.h>
#include "trg-model.h"
/* An extension of GtkListStore which provides some functions for looking up
* an entry by ID. Also for removing entries which have an old update serial,
* which means it needs removing.
*/
struct trg_model_remove_removed_foreachfunc_args {
gint64 currentSerial;
gint serial_column;
GList *toRemove;
};
static gboolean
trg_model_remove_removed_foreachfunc(GtkTreeModel * model,
GtkTreePath * path G_GNUC_UNUSED,
GtkTreeIter * iter, gpointer data)
{
struct trg_model_remove_removed_foreachfunc_args *args =
(struct trg_model_remove_removed_foreachfunc_args *) data;
gint64 rowSerial;
gtk_tree_model_get(model, iter, args->serial_column, &rowSerial, -1);
if (rowSerial != args->currentSerial)
args->toRemove =
g_list_append(args->toRemove, gtk_tree_iter_copy(iter));
return FALSE;
}
guint
trg_model_remove_removed(GtkListStore * model, gint serial_column,
gint64 currentSerial)
{
struct trg_model_remove_removed_foreachfunc_args args;
GList *li;
guint removed = 0;
args.toRemove = NULL;
args.currentSerial = currentSerial;
args.serial_column = serial_column;
gtk_tree_model_foreach(GTK_TREE_MODEL(model),
trg_model_remove_removed_foreachfunc, &args);
if (args.toRemove != NULL) {
for (li = g_list_last(args.toRemove); li != NULL;
li = g_list_previous(li)) {
gtk_list_store_remove(model, (GtkTreeIter *) li->data);
gtk_tree_iter_free((GtkTreeIter *) li->data);
removed++;
}
g_list_free(args.toRemove);
}
return removed;
}
struct find_existing_item_foreach_args {
gint64 id;
gint search_column;
GtkTreeIter *iter;
gboolean found;
};
static gboolean
find_existing_item_foreachfunc(GtkTreeModel * model,
GtkTreePath * path G_GNUC_UNUSED,
GtkTreeIter * iter, gpointer data)
{
struct find_existing_item_foreach_args *args =
(struct find_existing_item_foreach_args *) data;
gint64 currentId;
gtk_tree_model_get(model, iter, args->search_column, ¤tId, -1);
if (currentId == args->id) {
args->iter = iter;
return args->found = TRUE;
}
return FALSE;
}
gboolean
find_existing_model_item(GtkTreeModel * model, gint search_column,
gint64 id, GtkTreeIter * iter)
{
struct find_existing_item_foreach_args args;
args.id = id;
args.found = FALSE;
args.search_column = search_column;
gtk_tree_model_foreach(model, find_existing_item_foreachfunc, &args);
if (args.found == TRUE)
*iter = *(args.iter);
return args.found;
}
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