moving from https://github.com/perberos/mate-desktop-environment

1 files changed, 157 insertions, 0 deletions

diff --git a/libcaja-private/caja-monitor.c b/libcaja-private/caja-monitor.c
new file mode 100644
index 00000000..0a8a2e34
--- /dev/null
+++ b/libcaja-private/caja-monitor.c
@@ -0,0 +1,157 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
+
+   caja-monitor.c: file and directory change monitoring for caja
+
+   Copyright (C) 2000, 2001 Eazel, Inc.
+
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+
+   Authors: Seth Nickell <[email protected]>
+            Darin Adler <[email protected]>
+	    Alex Graveley <[email protected]>
+*/
+
+#include <config.h>
+#include "caja-monitor.h"
+#include "caja-file-changes-queue.h"
+#include "caja-file-utilities.h"
+
+#include <gio/gio.h>
+
+struct CajaMonitor
+{
+    GFileMonitor *monitor;
+};
+
+gboolean
+caja_monitor_active (void)
+{
+    static gboolean tried_monitor = FALSE;
+    static gboolean monitor_success;
+    GFileMonitor *dir_monitor;
+    GFile *file;
+
+    if (tried_monitor == FALSE)
+    {
+        file = g_file_new_for_path (g_get_home_dir ());
+        dir_monitor = g_file_monitor_directory (file, G_FILE_MONITOR_NONE, NULL, NULL);
+        g_object_unref (file);
+
+        monitor_success = (dir_monitor != NULL);
+        if (dir_monitor)
+        {
+            g_object_unref (dir_monitor);
+        }
+
+        tried_monitor = TRUE;
+    }
+
+    return monitor_success;
+}
+
+static gboolean call_consume_changes_idle_id = 0;
+
+static gboolean
+call_consume_changes_idle_cb (gpointer not_used)
+{
+    caja_file_changes_consume_changes (TRUE);
+    call_consume_changes_idle_id = 0;
+    return FALSE;
+}
+
+static void
+dir_changed (GFileMonitor* monitor,
+             GFile *child,
+             GFile *other_file,
+             GFileMonitorEvent event_type,
+             gpointer user_data)
+{
+    char *uri, *to_uri;
+
+    uri = g_file_get_uri (child);
+    to_uri = NULL;
+    if (other_file)
+    {
+        to_uri = g_file_get_uri (other_file);
+    }
+
+    switch (event_type)
+    {
+    default:
+    case G_FILE_MONITOR_EVENT_CHANGED:
+        /* ignore */
+        break;
+    case G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED:
+    case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
+        caja_file_changes_queue_file_changed (child);
+        break;
+    case G_FILE_MONITOR_EVENT_DELETED:
+        caja_file_changes_queue_file_removed (child);
+        break;
+    case G_FILE_MONITOR_EVENT_CREATED:
+        caja_file_changes_queue_file_added (child);
+        break;
+
+    case G_FILE_MONITOR_EVENT_PRE_UNMOUNT:
+        /* TODO: Do something */
+        break;
+    case G_FILE_MONITOR_EVENT_UNMOUNTED:
+        /* TODO: Do something */
+        break;
+    }
+
+    g_free (uri);
+    g_free (to_uri);
+
+    if (call_consume_changes_idle_id == 0)
+    {
+        call_consume_changes_idle_id =
+            g_idle_add (call_consume_changes_idle_cb, NULL);
+    }
+}
+
+CajaMonitor *
+caja_monitor_directory (GFile *location)
+{
+    GFileMonitor *dir_monitor;
+    CajaMonitor *ret;
+
+    dir_monitor = g_file_monitor_directory (location, G_FILE_MONITOR_WATCH_MOUNTS, NULL, NULL);
+
+    ret = g_new0 (CajaMonitor, 1);
+    ret->monitor = dir_monitor;
+
+    if (ret->monitor)
+    {
+        g_signal_connect (ret->monitor, "changed", (GCallback)dir_changed, ret);
+    }
+
+    /* We return a monitor even on failure, so we can avoid later trying again */
+    return ret;
+}
+
+void
+caja_monitor_cancel (CajaMonitor *monitor)
+{
+    if (monitor->monitor != NULL)
+    {
+        g_signal_handlers_disconnect_by_func (monitor->monitor, dir_changed, monitor);
+        g_file_monitor_cancel (monitor->monitor);
+        g_object_unref (monitor->monitor);
+    }
+
+    g_free (monitor);
+}