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/* Copyright (C) 2017 Ernestas Kulik <ernestask@gnome.org>
*
* This file is part of Nautilus.
*
* Nautilus 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.
*
* Nautilus 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 Nautilus. If not, see <https://www.gnu.org/licenses/>.
*/
#include "nautilus-file-changes.h"
#include "nautilus-file.h"
#include "nautilus-signal-utilities.h"
typedef struct
{
NautilusFileChange type;
GFile *location;
} Change;
typedef struct
{
NautilusFileChange type;
GFile *location_from;
GFile *location_to;
} MoveChange;
static void move_change_free (MoveChange *change);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (MoveChange, move_change_free)
static guint source = 0;
static GMutex source_mutex;
static void
move_change_free (MoveChange *change)
{
g_clear_object (&change->location_to);
g_clear_object (&change->location_from);
g_free (change);
}
static gpointer
init_default_queue (gpointer data)
{
return g_async_queue_new ();
}
static GAsyncQueue *
get_default_queue (void)
{
static GOnce once = G_ONCE_INIT;
g_once (&once, init_default_queue, NULL);
return once.retval;
}
static gboolean
emit_signals (gpointer user_data)
{
GAsyncQueue *queue;
Change *change;
queue = user_data;
g_async_queue_lock (queue);
while ((change = g_async_queue_try_pop_unlocked (queue)) != NULL)
{
g_autoptr (NautilusFile) file = NULL;
g_autoptr (NautilusFile) parent = NULL;
file = nautilus_file_new (change->location);
if (file == NULL)
{
continue;
}
parent = nautilus_file_get_parent (file);
switch (change->type)
{
case NAUTILUS_FILE_CHANGE_RENAMED:
{
g_autoptr (MoveChange) move_change = NULL;
move_change = (MoveChange *) change;
nautilus_emit_signal_in_main_context_by_name (file,
NULL,
"renamed",
move_change->location_to);
if (parent == NULL)
{
break;
}
nautilus_emit_signal_in_main_context_by_name (parent,
NULL,
"children-changed");
}
break;
}
}
g_async_queue_unlock (queue);
g_mutex_lock (&source_mutex);
source = 0;
g_mutex_unlock (&source_mutex);
return G_SOURCE_REMOVE;
}
static void
schedule_signal_emission (void)
{
g_mutex_lock (&source_mutex);
if (source == 0)
{
source = g_timeout_add (100, emit_signals, get_default_queue ());
}
else
{
g_source_remove (source);
}
g_mutex_unlock (&source_mutex);
}
static void
notify_file_moved_or_renamed (GFile *from,
GFile *to,
gboolean move_is_rename)
{
MoveChange *change;
GAsyncQueue *queue;
change = g_new0 (MoveChange, 1);
queue = get_default_queue ();
change->type = move_is_rename? NAUTILUS_FILE_CHANGE_RENAMED
: NAUTILUS_FILE_CHANGE_MOVED;
change->location_from = g_object_ref (from);
change->location_to = g_object_ref (to);
g_async_queue_push (queue, change);
schedule_signal_emission ();
}
void
nautilus_notify_file_renamed (GFile *location,
GFile *new_location)
{
notify_file_moved_or_renamed (location, new_location, TRUE);
}
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