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authorPerberos <[email protected]>2011-12-01 22:24:23 -0300
committerPerberos <[email protected]>2011-12-01 22:24:23 -0300
commit0e004c696b0e68b2cff37a4c3315b022a35eaf43 (patch)
tree43261e815529cb9518ed7be37af13b846af8b26b /libcaja-private/caja-desktop-link-monitor.c
downloadcaja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.bz2
caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.xz
moving from https://github.com/perberos/mate-desktop-environment
Diffstat (limited to 'libcaja-private/caja-desktop-link-monitor.c')
-rw-r--r--libcaja-private/caja-desktop-link-monitor.c575
1 files changed, 575 insertions, 0 deletions
diff --git a/libcaja-private/caja-desktop-link-monitor.c b/libcaja-private/caja-desktop-link-monitor.c
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+++ b/libcaja-private/caja-desktop-link-monitor.c
@@ -0,0 +1,575 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
+
+ caja-desktop-link-monitor.c: singleton thatn manages the links
+
+ Copyright (C) 2003 Red Hat, 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.
+
+ Author: Alexander Larsson <[email protected]>
+*/
+
+#include <config.h>
+#include "caja-desktop-link-monitor.h"
+#include "caja-desktop-link.h"
+#include "caja-desktop-icon-file.h"
+#include "caja-directory.h"
+#include "caja-desktop-directory.h"
+#include "caja-global-preferences.h"
+
+#include <eel/eel-debug.h>
+#include <eel/eel-gtk-macros.h>
+#include <eel/eel-glib-extensions.h>
+#include <eel/eel-vfs-extensions.h>
+#include <eel/eel-stock-dialogs.h>
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+#include <libcaja-private/caja-trash-monitor.h>
+#include <string.h>
+
+struct CajaDesktopLinkMonitorDetails
+{
+ GVolumeMonitor *volume_monitor;
+ CajaDirectory *desktop_dir;
+
+ CajaDesktopLink *home_link;
+ CajaDesktopLink *computer_link;
+ CajaDesktopLink *trash_link;
+ CajaDesktopLink *network_link;
+
+ gulong mount_id;
+ gulong unmount_id;
+ gulong changed_id;
+
+ GList *mount_links;
+};
+
+
+static void caja_desktop_link_monitor_init (gpointer object,
+ gpointer klass);
+static void caja_desktop_link_monitor_class_init (gpointer klass);
+
+EEL_CLASS_BOILERPLATE (CajaDesktopLinkMonitor,
+ caja_desktop_link_monitor,
+ G_TYPE_OBJECT)
+
+static CajaDesktopLinkMonitor *the_link_monitor = NULL;
+
+static void
+destroy_desktop_link_monitor (void)
+{
+ if (the_link_monitor != NULL)
+ {
+ g_object_unref (the_link_monitor);
+ }
+}
+
+CajaDesktopLinkMonitor *
+caja_desktop_link_monitor_get (void)
+{
+ if (the_link_monitor == NULL)
+ {
+ g_object_new (CAJA_TYPE_DESKTOP_LINK_MONITOR, NULL);
+ eel_debug_call_at_shutdown (destroy_desktop_link_monitor);
+ }
+ return the_link_monitor;
+}
+
+static void
+volume_delete_dialog (GtkWidget *parent_view,
+ CajaDesktopLink *link)
+{
+ GMount *mount;
+ char *dialog_str;
+ char *display_name;
+
+ mount = caja_desktop_link_get_mount (link);
+
+ if (mount != NULL)
+ {
+ display_name = caja_desktop_link_get_display_name (link);
+ dialog_str = g_strdup_printf (_("You cannot move the volume \"%s\" to the trash."),
+ display_name);
+ g_free (display_name);
+
+ if (g_mount_can_eject (mount))
+ {
+ eel_run_simple_dialog
+ (parent_view,
+ FALSE,
+ GTK_MESSAGE_ERROR,
+ dialog_str,
+ _("If you want to eject the volume, please use \"Eject\" in the "
+ "popup menu of the volume."),
+ GTK_STOCK_OK, NULL);
+ }
+ else
+ {
+ eel_run_simple_dialog
+ (parent_view,
+ FALSE,
+ GTK_MESSAGE_ERROR,
+ dialog_str,
+ _("If you want to unmount the volume, please use \"Unmount Volume\" in the "
+ "popup menu of the volume."),
+ GTK_STOCK_OK, NULL);
+ }
+
+ g_object_unref (mount);
+ g_free (dialog_str);
+ }
+}
+
+void
+caja_desktop_link_monitor_delete_link (CajaDesktopLinkMonitor *monitor,
+ CajaDesktopLink *link,
+ GtkWidget *parent_view)
+{
+ switch (caja_desktop_link_get_link_type (link))
+ {
+ case CAJA_DESKTOP_LINK_HOME:
+ case CAJA_DESKTOP_LINK_COMPUTER:
+ case CAJA_DESKTOP_LINK_TRASH:
+ case CAJA_DESKTOP_LINK_NETWORK:
+ /* just ignore. We don't allow you to delete these */
+ break;
+ default:
+ volume_delete_dialog (parent_view, link);
+ break;
+ }
+}
+
+static gboolean
+volume_file_name_used (CajaDesktopLinkMonitor *monitor,
+ const char *name)
+{
+ GList *l;
+ char *other_name;
+ gboolean same;
+
+ for (l = monitor->details->mount_links; l != NULL; l = l->next)
+ {
+ other_name = caja_desktop_link_get_file_name (l->data);
+ same = strcmp (name, other_name) == 0;
+ g_free (other_name);
+
+ if (same)
+ {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+char *
+caja_desktop_link_monitor_make_filename_unique (CajaDesktopLinkMonitor *monitor,
+ const char *filename)
+{
+ char *unique_name;
+ int i;
+
+ i = 2;
+ unique_name = g_strdup (filename);
+ while (volume_file_name_used (monitor, unique_name))
+ {
+ g_free (unique_name);
+ unique_name = g_strdup_printf ("%s.%d", filename, i++);
+ }
+ return unique_name;
+}
+
+static gboolean
+has_mount (CajaDesktopLinkMonitor *monitor,
+ GMount *mount)
+{
+ gboolean ret;
+ GMount *other_mount;
+ GList *l;
+
+ ret = FALSE;
+
+ for (l = monitor->details->mount_links; l != NULL; l = l->next)
+ {
+ other_mount = caja_desktop_link_get_mount (l->data);
+ if (mount == other_mount)
+ {
+ g_object_unref (other_mount);
+ ret = TRUE;
+ break;
+ }
+ g_object_unref (other_mount);
+ }
+
+ return ret;
+}
+
+static void
+create_mount_link (CajaDesktopLinkMonitor *monitor,
+ GMount *mount)
+{
+ CajaDesktopLink *link;
+
+ if (has_mount (monitor, mount))
+ return;
+
+ if ((!g_mount_is_shadowed (mount)) &&
+ eel_preferences_get_boolean (CAJA_PREFERENCES_DESKTOP_VOLUMES_VISIBLE))
+ {
+ link = caja_desktop_link_new_from_mount (mount);
+ monitor->details->mount_links = g_list_prepend (monitor->details->mount_links, link);
+ }
+}
+
+static void
+remove_mount_link (CajaDesktopLinkMonitor *monitor,
+ GMount *mount)
+{
+ GList *l;
+ CajaDesktopLink *link;
+ GMount *other_mount;
+
+ link = NULL;
+ for (l = monitor->details->mount_links; l != NULL; l = l->next)
+ {
+ other_mount = caja_desktop_link_get_mount (l->data);
+ if (mount == other_mount)
+ {
+ g_object_unref (other_mount);
+ link = l->data;
+ break;
+ }
+ g_object_unref (other_mount);
+ }
+
+ if (link)
+ {
+ monitor->details->mount_links = g_list_remove (monitor->details->mount_links, link);
+ g_object_unref (link);
+ }
+}
+
+
+
+static void
+mount_added_callback (GVolumeMonitor *volume_monitor,
+ GMount *mount,
+ CajaDesktopLinkMonitor *monitor)
+{
+ create_mount_link (monitor, mount);
+}
+
+
+static void
+mount_removed_callback (GVolumeMonitor *volume_monitor,
+ GMount *mount,
+ CajaDesktopLinkMonitor *monitor)
+{
+ remove_mount_link (monitor, mount);
+}
+
+static void
+mount_changed_callback (GVolumeMonitor *volume_monitor,
+ GMount *mount,
+ CajaDesktopLinkMonitor *monitor)
+{
+ /* TODO: update the mount with other details */
+
+ /* remove a mount if it goes into the shadows */
+ if (g_mount_is_shadowed (mount) && has_mount (monitor, mount))
+ {
+ remove_mount_link (monitor, mount);
+ }
+}
+
+static void
+update_link_visibility (CajaDesktopLinkMonitor *monitor,
+ CajaDesktopLink **link_ref,
+ CajaDesktopLinkType link_type,
+ const char *preference_key)
+{
+ if (eel_preferences_get_boolean (preference_key))
+ {
+ if (*link_ref == NULL)
+ {
+ *link_ref = caja_desktop_link_new (link_type);
+ }
+ }
+ else
+ {
+ if (*link_ref != NULL)
+ {
+ g_object_unref (*link_ref);
+ *link_ref = NULL;
+ }
+ }
+}
+
+static void
+desktop_home_visible_changed (gpointer callback_data)
+{
+ CajaDesktopLinkMonitor *monitor;
+
+ monitor = CAJA_DESKTOP_LINK_MONITOR (callback_data);
+
+ update_link_visibility (CAJA_DESKTOP_LINK_MONITOR (monitor),
+ &monitor->details->home_link,
+ CAJA_DESKTOP_LINK_HOME,
+ CAJA_PREFERENCES_DESKTOP_HOME_VISIBLE);
+}
+
+static void
+desktop_computer_visible_changed (gpointer callback_data)
+{
+ CajaDesktopLinkMonitor *monitor;
+
+ monitor = CAJA_DESKTOP_LINK_MONITOR (callback_data);
+
+ update_link_visibility (CAJA_DESKTOP_LINK_MONITOR (callback_data),
+ &monitor->details->computer_link,
+ CAJA_DESKTOP_LINK_COMPUTER,
+ CAJA_PREFERENCES_DESKTOP_COMPUTER_VISIBLE);
+}
+
+static void
+desktop_trash_visible_changed (gpointer callback_data)
+{
+ CajaDesktopLinkMonitor *monitor;
+
+ monitor = CAJA_DESKTOP_LINK_MONITOR (callback_data);
+
+ update_link_visibility (CAJA_DESKTOP_LINK_MONITOR (callback_data),
+ &monitor->details->trash_link,
+ CAJA_DESKTOP_LINK_TRASH,
+ CAJA_PREFERENCES_DESKTOP_TRASH_VISIBLE);
+}
+
+static void
+desktop_network_visible_changed (gpointer callback_data)
+{
+ CajaDesktopLinkMonitor *monitor;
+
+ monitor = CAJA_DESKTOP_LINK_MONITOR (callback_data);
+
+ update_link_visibility (CAJA_DESKTOP_LINK_MONITOR (callback_data),
+ &monitor->details->network_link,
+ CAJA_DESKTOP_LINK_NETWORK,
+ CAJA_PREFERENCES_DESKTOP_NETWORK_VISIBLE);
+}
+
+static void
+desktop_volumes_visible_changed (gpointer callback_data)
+{
+ CajaDesktopLinkMonitor *monitor;
+ GList *l, *mounts;
+
+ monitor = CAJA_DESKTOP_LINK_MONITOR (callback_data);
+
+ if (eel_preferences_get_boolean (CAJA_PREFERENCES_DESKTOP_VOLUMES_VISIBLE))
+ {
+ if (monitor->details->mount_links == NULL)
+ {
+ mounts = g_volume_monitor_get_mounts (monitor->details->volume_monitor);
+ for (l = mounts; l != NULL; l = l->next)
+ {
+ create_mount_link (monitor, l->data);
+ g_object_unref (l->data);
+ }
+ g_list_free (mounts);
+ }
+ }
+ else
+ {
+ g_list_foreach (monitor->details->mount_links, (GFunc)g_object_unref, NULL);
+ g_list_free (monitor->details->mount_links);
+ monitor->details->mount_links = NULL;
+ }
+}
+
+static void
+create_link_and_add_preference (CajaDesktopLink **link_ref,
+ CajaDesktopLinkType link_type,
+ const char *preference_key,
+ EelPreferencesCallback callback,
+ gpointer callback_data)
+{
+ if (eel_preferences_get_boolean (preference_key))
+ {
+ *link_ref = caja_desktop_link_new (link_type);
+ }
+
+ eel_preferences_add_callback (preference_key, callback, callback_data);
+}
+
+static void
+caja_desktop_link_monitor_init (gpointer object, gpointer klass)
+{
+ CajaDesktopLinkMonitor *monitor;
+ GList *l, *mounts;
+ GMount *mount;
+
+ monitor = CAJA_DESKTOP_LINK_MONITOR (object);
+
+ the_link_monitor = monitor;
+
+ monitor->details = g_new0 (CajaDesktopLinkMonitorDetails, 1);
+
+ monitor->details->volume_monitor = g_volume_monitor_get ();
+
+ /* We keep around a ref to the desktop dir */
+ monitor->details->desktop_dir = caja_directory_get_by_uri (EEL_DESKTOP_URI);
+
+ /* Default links */
+
+ create_link_and_add_preference (&monitor->details->home_link,
+ CAJA_DESKTOP_LINK_HOME,
+ CAJA_PREFERENCES_DESKTOP_HOME_VISIBLE,
+ desktop_home_visible_changed,
+ monitor);
+
+ create_link_and_add_preference (&monitor->details->computer_link,
+ CAJA_DESKTOP_LINK_COMPUTER,
+ CAJA_PREFERENCES_DESKTOP_COMPUTER_VISIBLE,
+ desktop_computer_visible_changed,
+ monitor);
+
+ create_link_and_add_preference (&monitor->details->trash_link,
+ CAJA_DESKTOP_LINK_TRASH,
+ CAJA_PREFERENCES_DESKTOP_TRASH_VISIBLE,
+ desktop_trash_visible_changed,
+ monitor);
+
+ create_link_and_add_preference (&monitor->details->network_link,
+ CAJA_DESKTOP_LINK_NETWORK,
+ CAJA_PREFERENCES_DESKTOP_NETWORK_VISIBLE,
+ desktop_network_visible_changed,
+ monitor);
+
+ /* Mount links */
+
+ mounts = g_volume_monitor_get_mounts (monitor->details->volume_monitor);
+ for (l = mounts; l != NULL; l = l->next)
+ {
+ mount = l->data;
+ create_mount_link (monitor, mount);
+ g_object_unref (mount);
+ }
+ g_list_free (mounts);
+
+ eel_preferences_add_callback (CAJA_PREFERENCES_DESKTOP_VOLUMES_VISIBLE,
+ desktop_volumes_visible_changed,
+ monitor);
+
+ monitor->details->mount_id =
+ g_signal_connect_object (monitor->details->volume_monitor, "mount_added",
+ G_CALLBACK (mount_added_callback), monitor, 0);
+ monitor->details->unmount_id =
+ g_signal_connect_object (monitor->details->volume_monitor, "mount_removed",
+ G_CALLBACK (mount_removed_callback), monitor, 0);
+ monitor->details->changed_id =
+ g_signal_connect_object (monitor->details->volume_monitor, "mount_changed",
+ G_CALLBACK (mount_changed_callback), monitor, 0);
+
+}
+
+static void
+remove_link_and_preference (CajaDesktopLink **link_ref,
+ const char *preference_key,
+ EelPreferencesCallback callback,
+ gpointer callback_data)
+{
+ if (*link_ref != NULL)
+ {
+ g_object_unref (*link_ref);
+ *link_ref = NULL;
+ }
+
+ eel_preferences_remove_callback (preference_key, callback, callback_data);
+}
+
+static void
+desktop_link_monitor_finalize (GObject *object)
+{
+ CajaDesktopLinkMonitor *monitor;
+
+ monitor = CAJA_DESKTOP_LINK_MONITOR (object);
+
+ g_object_unref (monitor->details->volume_monitor);
+
+ /* Default links */
+
+ remove_link_and_preference (&monitor->details->home_link,
+ CAJA_PREFERENCES_DESKTOP_HOME_VISIBLE,
+ desktop_home_visible_changed,
+ monitor);
+
+ remove_link_and_preference (&monitor->details->computer_link,
+ CAJA_PREFERENCES_DESKTOP_COMPUTER_VISIBLE,
+ desktop_computer_visible_changed,
+ monitor);
+
+ remove_link_and_preference (&monitor->details->trash_link,
+ CAJA_PREFERENCES_DESKTOP_TRASH_VISIBLE,
+ desktop_trash_visible_changed,
+ monitor);
+
+ remove_link_and_preference (&monitor->details->network_link,
+ CAJA_PREFERENCES_DESKTOP_NETWORK_VISIBLE,
+ desktop_network_visible_changed,
+ monitor);
+
+ /* Mounts */
+
+ g_list_foreach (monitor->details->mount_links, (GFunc)g_object_unref, NULL);
+ g_list_free (monitor->details->mount_links);
+ monitor->details->mount_links = NULL;
+
+ caja_directory_unref (monitor->details->desktop_dir);
+ monitor->details->desktop_dir = NULL;
+
+ eel_preferences_remove_callback (CAJA_PREFERENCES_DESKTOP_VOLUMES_VISIBLE,
+ desktop_volumes_visible_changed,
+ monitor);
+
+ if (monitor->details->mount_id != 0)
+ {
+ g_source_remove (monitor->details->mount_id);
+ }
+ if (monitor->details->unmount_id != 0)
+ {
+ g_source_remove (monitor->details->unmount_id);
+ }
+ if (monitor->details->changed_id != 0)
+ {
+ g_source_remove (monitor->details->changed_id);
+ }
+
+ g_free (monitor->details);
+
+ EEL_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
+}
+
+static void
+caja_desktop_link_monitor_class_init (gpointer klass)
+{
+ GObjectClass *object_class;
+
+ object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = desktop_link_monitor_finalize;
+
+}
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