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

1 files changed, 479 insertions, 0 deletions

diff --git a/libcaja-private/caja-desktop-link.c b/libcaja-private/caja-desktop-link.c
new file mode 100644
index 00000000..e632a5b0
--- /dev/null
+++ b/libcaja-private/caja-desktop-link.c
@@ -0,0 +1,479 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
+
+   caja-desktop-link.c: Class that handles the links on the desktop
+
+   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.h"
+#include "caja-desktop-link-monitor.h"
+#include "caja-desktop-icon-file.h"
+#include "caja-directory-private.h"
+#include "caja-desktop-directory.h"
+#include "caja-icon-names.h"
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+#include <libcaja-private/caja-file-utilities.h>
+#include <libcaja-private/caja-trash-monitor.h>
+#include <libcaja-private/caja-global-preferences.h>
+#include <string.h>
+
+struct CajaDesktopLinkDetails
+{
+    CajaDesktopLinkType type;
+    char *filename;
+    char *display_name;
+    GFile *activation_location;
+    GIcon *icon;
+
+    CajaDesktopIconFile *icon_file;
+
+    GObject *signal_handler_obj;
+    gulong signal_handler;
+
+    /* Just for mount icons: */
+    GMount *mount;
+};
+
+G_DEFINE_TYPE(CajaDesktopLink, caja_desktop_link, G_TYPE_OBJECT)
+
+static void
+create_icon_file (CajaDesktopLink *link)
+{
+    link->details->icon_file = caja_desktop_icon_file_new (link);
+}
+
+static void
+caja_desktop_link_changed (CajaDesktopLink *link)
+{
+    if (link->details->icon_file != NULL)
+    {
+        caja_desktop_icon_file_update (link->details->icon_file);
+    }
+}
+
+static void
+mount_changed_callback (GMount *mount, CajaDesktopLink *link)
+{
+    g_free (link->details->display_name);
+    if (link->details->activation_location)
+    {
+        g_object_unref (link->details->activation_location);
+    }
+    if (link->details->icon)
+    {
+        g_object_unref (link->details->icon);
+    }
+
+    link->details->display_name = g_mount_get_name (mount);
+    link->details->activation_location = g_mount_get_default_location (mount);
+    link->details->icon = g_mount_get_icon (mount);
+
+    caja_desktop_link_changed (link);
+}
+
+static void
+trash_state_changed_callback (CajaTrashMonitor *trash_monitor,
+                              gboolean state,
+                              gpointer callback_data)
+{
+    CajaDesktopLink *link;
+
+    link = CAJA_DESKTOP_LINK (callback_data);
+    g_assert (link->details->type == CAJA_DESKTOP_LINK_TRASH);
+
+    if (link->details->icon)
+    {
+        g_object_unref (link->details->icon);
+    }
+    link->details->icon = caja_trash_monitor_get_icon ();
+
+    caja_desktop_link_changed (link);
+}
+
+static void
+home_name_changed (gpointer callback_data)
+{
+    CajaDesktopLink *link;
+
+    link = CAJA_DESKTOP_LINK (callback_data);
+    g_assert (link->details->type == CAJA_DESKTOP_LINK_HOME);
+
+    g_free (link->details->display_name);
+    link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_HOME_NAME);
+
+    caja_desktop_link_changed (link);
+}
+
+static void
+computer_name_changed (gpointer callback_data)
+{
+    CajaDesktopLink *link;
+
+    link = CAJA_DESKTOP_LINK (callback_data);
+    g_assert (link->details->type == CAJA_DESKTOP_LINK_COMPUTER);
+
+    g_free (link->details->display_name);
+    link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME);
+
+    caja_desktop_link_changed (link);
+}
+
+static void
+trash_name_changed (gpointer callback_data)
+{
+    CajaDesktopLink *link;
+
+    link = CAJA_DESKTOP_LINK (callback_data);
+    g_assert (link->details->type == CAJA_DESKTOP_LINK_TRASH);
+
+    g_free (link->details->display_name);
+    link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_TRASH_NAME);
+    caja_desktop_link_changed (link);
+}
+
+static void
+network_name_changed (gpointer callback_data)
+{
+    CajaDesktopLink *link;
+
+    link = CAJA_DESKTOP_LINK (callback_data);
+    g_assert (link->details->type == CAJA_DESKTOP_LINK_NETWORK);
+
+    g_free (link->details->display_name);
+    link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME);
+    caja_desktop_link_changed (link);
+}
+
+CajaDesktopLink *
+caja_desktop_link_new (CajaDesktopLinkType type)
+{
+    CajaDesktopLink *link;
+
+    link = CAJA_DESKTOP_LINK (g_object_new (CAJA_TYPE_DESKTOP_LINK, NULL));
+
+    link->details->type = type;
+    switch (type)
+    {
+    case CAJA_DESKTOP_LINK_HOME:
+        link->details->filename = g_strdup ("home");
+        link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_HOME_NAME);
+        link->details->activation_location = g_file_new_for_path (g_get_home_dir ());
+        link->details->icon = g_themed_icon_new (CAJA_ICON_HOME);
+
+        eel_preferences_add_callback (CAJA_PREFERENCES_DESKTOP_HOME_NAME,
+                                      home_name_changed,
+                                      link);
+
+        break;
+
+    case CAJA_DESKTOP_LINK_COMPUTER:
+        link->details->filename = g_strdup ("computer");
+        link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME);
+        link->details->activation_location = g_file_new_for_uri ("computer:///");
+        /* TODO: This might need a different icon: */
+        link->details->icon = g_themed_icon_new (CAJA_ICON_COMPUTER);
+
+        eel_preferences_add_callback (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME,
+                                      computer_name_changed,
+                                      link);
+
+        break;
+
+    case CAJA_DESKTOP_LINK_TRASH:
+        link->details->filename = g_strdup ("trash");
+        link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_TRASH_NAME);
+        link->details->activation_location = g_file_new_for_uri (EEL_TRASH_URI);
+        link->details->icon = caja_trash_monitor_get_icon ();
+
+        eel_preferences_add_callback (CAJA_PREFERENCES_DESKTOP_TRASH_NAME,
+                                      trash_name_changed,
+                                      link);
+        link->details->signal_handler_obj = G_OBJECT (caja_trash_monitor_get ());
+        link->details->signal_handler =
+            g_signal_connect_object (caja_trash_monitor_get (), "trash_state_changed",
+                                     G_CALLBACK (trash_state_changed_callback), link, 0);
+        break;
+
+    case CAJA_DESKTOP_LINK_NETWORK:
+        link->details->filename = g_strdup ("network");
+        link->details->display_name = eel_preferences_get (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME);
+        link->details->activation_location = g_file_new_for_uri ("network:///");
+        link->details->icon = g_themed_icon_new (CAJA_ICON_NETWORK);
+
+        eel_preferences_add_callback (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME,
+                                      network_name_changed,
+                                      link);
+        break;
+
+    default:
+    case CAJA_DESKTOP_LINK_MOUNT:
+        g_assert_not_reached();
+    }
+
+    create_icon_file (link);
+
+    return link;
+}
+
+CajaDesktopLink *
+caja_desktop_link_new_from_mount (GMount *mount)
+{
+    CajaDesktopLink *link;
+    GVolume *volume;
+    char *name, *filename;
+
+    link = CAJA_DESKTOP_LINK (g_object_new (CAJA_TYPE_DESKTOP_LINK, NULL));
+
+    link->details->type = CAJA_DESKTOP_LINK_MOUNT;
+
+    link->details->mount = g_object_ref (mount);
+
+    /* We try to use the drive name to get somewhat stable filenames
+       for metadata */
+    volume = g_mount_get_volume (mount);
+    if (volume != NULL)
+    {
+        name = g_volume_get_name (volume);
+        g_object_unref (volume);
+    }
+    else
+    {
+        name = g_mount_get_name (mount);
+    }
+
+    /* Replace slashes in name */
+    filename = g_strconcat (g_strdelimit (name, "/", '-'), ".volume", NULL);
+    link->details->filename =
+        caja_desktop_link_monitor_make_filename_unique (caja_desktop_link_monitor_get (),
+                filename);
+    g_free (filename);
+    g_free (name);
+
+    link->details->display_name = g_mount_get_name (mount);
+
+    link->details->activation_location = g_mount_get_default_location (mount);
+    link->details->icon = g_mount_get_icon (mount);
+
+    link->details->signal_handler_obj = G_OBJECT (mount);
+    link->details->signal_handler =
+        g_signal_connect (mount, "changed",
+                          G_CALLBACK (mount_changed_callback), link);
+
+    create_icon_file (link);
+
+    return link;
+}
+
+GMount *
+caja_desktop_link_get_mount (CajaDesktopLink *link)
+{
+    if (link->details->mount)
+    {
+        return g_object_ref (link->details->mount);
+    }
+    return NULL;
+}
+
+CajaDesktopLinkType
+caja_desktop_link_get_link_type (CajaDesktopLink *link)
+{
+    return link->details->type;
+}
+
+char *
+caja_desktop_link_get_file_name (CajaDesktopLink *link)
+{
+    return g_strdup (link->details->filename);
+}
+
+char *
+caja_desktop_link_get_display_name (CajaDesktopLink *link)
+{
+    return g_strdup (link->details->display_name);
+}
+
+GIcon *
+caja_desktop_link_get_icon (CajaDesktopLink *link)
+{
+    if (link->details->icon != NULL)
+    {
+        return g_object_ref (link->details->icon);
+    }
+    return NULL;
+}
+
+GFile *
+caja_desktop_link_get_activation_location (CajaDesktopLink *link)
+{
+    if (link->details->activation_location)
+    {
+        return g_object_ref (link->details->activation_location);
+    }
+    return NULL;
+}
+
+char *
+caja_desktop_link_get_activation_uri (CajaDesktopLink *link)
+{
+    if (link->details->activation_location)
+    {
+        return g_file_get_uri (link->details->activation_location);
+    }
+    return NULL;
+}
+
+
+gboolean
+caja_desktop_link_get_date (CajaDesktopLink *link,
+                            CajaDateType     date_type,
+                            time_t               *date)
+{
+    return FALSE;
+}
+
+gboolean
+caja_desktop_link_can_rename (CajaDesktopLink     *link)
+{
+    return (link->details->type == CAJA_DESKTOP_LINK_HOME ||
+            link->details->type == CAJA_DESKTOP_LINK_TRASH ||
+            link->details->type == CAJA_DESKTOP_LINK_NETWORK ||
+            link->details->type == CAJA_DESKTOP_LINK_COMPUTER);
+}
+
+gboolean
+caja_desktop_link_rename (CajaDesktopLink     *link,
+                          const char              *name)
+{
+    switch (link->details->type)
+    {
+    case CAJA_DESKTOP_LINK_HOME:
+        eel_preferences_set (CAJA_PREFERENCES_DESKTOP_HOME_NAME,
+                             name);
+        break;
+    case CAJA_DESKTOP_LINK_COMPUTER:
+        eel_preferences_set (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME,
+                             name);
+        break;
+    case CAJA_DESKTOP_LINK_TRASH:
+        eel_preferences_set (CAJA_PREFERENCES_DESKTOP_TRASH_NAME,
+                             name);
+        break;
+    case CAJA_DESKTOP_LINK_NETWORK:
+        eel_preferences_set (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME,
+                             name);
+        break;
+    default:
+        g_assert_not_reached ();
+        /* FIXME: Do we want volume renaming?
+         * We didn't support that before. */
+        break;
+    }
+
+    return TRUE;
+}
+
+static void
+caja_desktop_link_init (CajaDesktopLink *link)
+{
+    link->details = G_TYPE_INSTANCE_GET_PRIVATE (link,
+                    CAJA_TYPE_DESKTOP_LINK,
+                    CajaDesktopLinkDetails);
+}
+
+static void
+desktop_link_finalize (GObject *object)
+{
+    CajaDesktopLink *link;
+
+    link = CAJA_DESKTOP_LINK (object);
+
+    if (link->details->signal_handler != 0)
+    {
+        g_signal_handler_disconnect (link->details->signal_handler_obj,
+                                     link->details->signal_handler);
+    }
+
+    if (link->details->icon_file != NULL)
+    {
+        caja_desktop_icon_file_remove (link->details->icon_file);
+        caja_file_unref (CAJA_FILE (link->details->icon_file));
+        link->details->icon_file = NULL;
+    }
+
+    if (link->details->type == CAJA_DESKTOP_LINK_HOME)
+    {
+        eel_preferences_remove_callback (CAJA_PREFERENCES_DESKTOP_HOME_NAME,
+                                         home_name_changed,
+                                         link);
+    }
+
+    if (link->details->type == CAJA_DESKTOP_LINK_COMPUTER)
+    {
+        eel_preferences_remove_callback (CAJA_PREFERENCES_DESKTOP_COMPUTER_NAME,
+                                         computer_name_changed,
+                                         link);
+    }
+
+    if (link->details->type == CAJA_DESKTOP_LINK_TRASH)
+    {
+        eel_preferences_remove_callback (CAJA_PREFERENCES_DESKTOP_TRASH_NAME,
+                                         trash_name_changed,
+                                         link);
+    }
+
+    if (link->details->type == CAJA_DESKTOP_LINK_NETWORK)
+    {
+        eel_preferences_remove_callback (CAJA_PREFERENCES_DESKTOP_NETWORK_NAME,
+                                         network_name_changed,
+                                         link);
+    }
+
+    if (link->details->type == CAJA_DESKTOP_LINK_MOUNT)
+    {
+        g_object_unref (link->details->mount);
+    }
+
+    g_free (link->details->filename);
+    g_free (link->details->display_name);
+    if (link->details->activation_location)
+    {
+        g_object_unref (link->details->activation_location);
+    }
+    if (link->details->icon)
+    {
+        g_object_unref (link->details->icon);
+    }
+
+    G_OBJECT_CLASS (caja_desktop_link_parent_class)->finalize (object);
+}
+
+static void
+caja_desktop_link_class_init (CajaDesktopLinkClass *klass)
+{
+    GObjectClass *object_class;
+
+    object_class = G_OBJECT_CLASS (klass);
+
+    object_class->finalize = desktop_link_finalize;
+
+    g_type_class_add_private (object_class, sizeof(CajaDesktopLinkDetails));
+}