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/*
* notifier.c
* Copyright (C) 2021 David García Goñi <dagargo@gmail.com>
*
* This file is part of Elektroid.
*
* Elektroid 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 3 of the License, or
* (at your option) any later version.
*
* Elektroid 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 Elektroid. If not, see <http://www.gnu.org/licenses/>.
*/
#include "notifier.h"
#define NOTIFIER_RATE_LIMIT 1000
static gboolean
notifier_go_up (gpointer data)
{
struct browser *browser = data;
browser_go_up (NULL, browser);
return FALSE;
}
static void
notifier_parent_changed (GFileMonitor *self, GFile *file, GFile *other_file,
GFileMonitorEvent event_type, gpointer user_data)
{
struct notifier *notifier = user_data;
gchar *p1 = g_file_get_path (notifier->dir);
gchar *p2 = g_file_get_path (file);
gboolean itself = strcmp (p1, p2) == 0;
g_free (p1);
g_free (p2);
debug_print (2, "Processing notifier parent change...");
if (event_type == G_FILE_MONITOR_EVENT_DELETED && itself)
{
debug_print (1, "Processing notifier dir deletion...");
g_idle_add (notifier_go_up, notifier->browser);
}
}
static void
notifier_changed (GFileMonitor *self, GFile *file, GFile *other_file,
GFileMonitorEvent event_type, gpointer user_data)
{
struct notifier *notifier = user_data;
gchar *p1 = g_file_get_path (notifier->dir);
gchar *p2 = g_file_get_path (file);
gboolean itself = strcmp (p1, p2) == 0;
g_free (p1);
g_free (p2);
debug_print (2, "Processing notifier change...");
if (event_type != G_FILE_MONITOR_EVENT_DELETED || !itself)
{
debug_print (1, "Processing notifier reload...");
g_idle_add (browser_load_dir, notifier->browser);
}
}
void
notifier_init (struct notifier **notifier, struct browser *browser)
{
struct notifier *n = g_malloc (sizeof (struct notifier));
n->monitor = NULL;
n->parent_monitor = NULL;
n->browser = browser;
*notifier = n;
}
void
notifier_update_dir (struct notifier *notifier, gboolean active)
{
GFile *parent;
debug_print (1, "Changing %s browser path to '%s'...",
notifier->browser->name, notifier->browser->dir);
if (notifier->monitor)
{
g_object_unref (notifier->monitor);
g_object_unref (notifier->dir);
}
if (notifier->parent_monitor)
{
g_object_unref (notifier->parent_monitor);
}
if (active)
{
notifier->dir = g_file_new_for_path (notifier->browser->dir);
notifier->monitor = g_file_monitor_directory (notifier->dir,
G_FILE_MONITOR_NONE, NULL,
NULL);
g_file_monitor_set_rate_limit (notifier->monitor, NOTIFIER_RATE_LIMIT);
g_signal_connect (notifier->monitor, "changed",
G_CALLBACK (notifier_changed), notifier);
parent = g_file_get_parent (notifier->dir);
if (parent)
{
notifier->parent_monitor = g_file_monitor_directory (parent,
G_FILE_MONITOR_NONE,
NULL, NULL);
g_file_monitor_set_rate_limit (notifier->parent_monitor,
NOTIFIER_RATE_LIMIT);
g_signal_connect (notifier->parent_monitor, "changed",
G_CALLBACK (notifier_parent_changed), notifier);
g_object_unref (parent);
}
else
{
notifier->parent_monitor = NULL;
}
}
else
{
notifier->monitor = NULL;
notifier->parent_monitor = NULL;
}
}
void
notifier_destroy (struct notifier *notifier)
{
if (notifier->monitor)
{
g_object_unref (notifier->monitor);
g_object_unref (notifier->dir);
}
if (notifier->parent_monitor)
{
g_object_unref (notifier->parent_monitor);
}
g_free (notifier);
}
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