/*

 * nautilus-dbus-manager: nautilus DBus interface

 *

 * Copyright (C) 2010, Red Hat, Inc.

 *

 * 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 this program; if not, see <http://www.gnu.org/licenses/>.

 *

 * Author: Cosimo Cecchi <cosimoc@redhat.com>

 *

 */

#include <config.h>

#include "nautilus-dbus-manager.h"

#include "nautilus-generated.h"

#include "nautilus-file-operations.h"

#include "nautilus-file-undo-manager.h"

#include "nautilus-file.h"

#define DEBUG_FLAG NAUTILUS_DEBUG_DBUS

#include "nautilus-debug.h"

#include <gio/gio.h>

struct _NautilusDBusManager

{

    GObject parent;

    NautilusDBusFileOperations *file_operations;

};

struct _NautilusDBusManagerClass

{

    GObjectClass parent_class;

};

G_DEFINE_TYPE (NautilusDBusManager, nautilus_dbus_manager, G_TYPE_OBJECT);

static void

nautilus_dbus_manager_dispose (GObject *object)

{

    NautilusDBusManager *self = (NautilusDBusManager *) object;

    if (self->file_operations)

    {

        g_object_unref (self->file_operations);

        self->file_operations = NULL;

    }

    G_OBJECT_CLASS (nautilus_dbus_manager_parent_class)->dispose (object);

}

static void

undo_redo_on_finished (gpointer user_data)

{

    NautilusFileUndoManager *undo_manager = NULL;

    int *handler_id = (int *) user_data;

    undo_manager = nautilus_file_undo_manager_get ();

    g_signal_handler_disconnect (undo_manager, *handler_id);

    g_application_release (g_application_get_default ());

    g_free (handler_id);

}

static gboolean

handle_redo (NautilusDBusFileOperations *object,

             GDBusMethodInvocation      *invocation)

{

    NautilusFileUndoManager *undo_manager = NULL;

    gint *handler_id = g_new0(int, 1);

    g_application_hold (g_application_get_default ());

    undo_manager = nautilus_file_undo_manager_get ();

    *handler_id = g_signal_connect_swapped (undo_manager, "undo-changed",

                                            G_CALLBACK (undo_redo_on_finished),

                                            handler_id);

    nautilus_file_undo_manager_redo (NULL);

    nautilus_dbus_file_operations_complete_redo (object, invocation);

    return TRUE; /* invocation was handled */

}

static gboolean

handle_undo (NautilusDBusFileOperations *object,

             GDBusMethodInvocation      *invocation)

{

    NautilusFileUndoManager *undo_manager = NULL;

    gint *handler_id = g_new0(int, 1);

    g_application_hold (g_application_get_default ());

    undo_manager = nautilus_file_undo_manager_get ();

    *handler_id = g_signal_connect_swapped (undo_manager, "undo-changed",

                                            G_CALLBACK (undo_redo_on_finished),

                                            handler_id);

    nautilus_file_undo_manager_undo (NULL);

    nautilus_dbus_file_operations_complete_undo (object, invocation);

    return TRUE; /* invocation was handled */

}

static void

create_folder_on_finished (GFile    *new_file,

                           gboolean  success,

                           gpointer  callback_data)

{

    g_application_release (g_application_get_default ());

}

static gboolean

handle_create_folder (NautilusDBusFileOperations *object,

                      GDBusMethodInvocation      *invocation,

                      const gchar                *uri)

{

    g_autoptr (GFile) file = NULL;

    g_autoptr (GFile) parent_file = NULL;

    g_autofree gchar *basename = NULL;

    g_autofree gchar *parent_file_uri = NULL;

    file = g_file_new_for_uri (uri);

    basename = g_file_get_basename (file);

    parent_file = g_file_get_parent (file);

    parent_file_uri = g_file_get_uri (parent_file);

    g_application_hold (g_application_get_default ());

    nautilus_file_operations_new_folder (NULL, parent_file_uri, basename,

                                         create_folder_on_finished, NULL);

    nautilus_dbus_file_operations_complete_create_folder (object, invocation);

    return TRUE; /* invocation was handled */

}

static void

copy_move_on_finished (GHashTable *debutting_uris,

                       gboolean    success,

                       gpointer    callback_data)

{

    g_application_release (g_application_get_default ());

}

static gboolean

handle_copy_uris (NautilusDBusFileOperations  *object,

                  GDBusMethodInvocation       *invocation,

                  const gchar                **sources,

                  const gchar                 *destination)

{

    GList *source_files = NULL;

    gint idx;

    for (idx = 0; sources[idx] != NULL; idx++)

    {

        source_files = g_list_prepend (source_files, g_strdup (sources[idx]));

    }

    g_application_hold (g_application_get_default ());

    nautilus_file_operations_copy_move (source_files, destination,

                                        GDK_ACTION_COPY, NULL, copy_move_on_finished, NULL);

    g_list_free_full (source_files, g_free);

    nautilus_dbus_file_operations_complete_copy_uris (object, invocation);

    return TRUE; /* invocation was handled */

}

static gboolean

handle_move_uris (NautilusDBusFileOperations  *object,

                  GDBusMethodInvocation       *invocation,

                  const gchar                **sources,

                  const gchar                 *destination)

{

    GList *source_files = NULL;

    gint idx;

    for (idx = 0; sources[idx] != NULL; idx++)

    {

        source_files = g_list_prepend (source_files, g_strdup (sources[idx]));

    }

    g_application_hold (g_application_get_default ());

    nautilus_file_operations_copy_move (source_files, destination,

                                        GDK_ACTION_MOVE, NULL, copy_move_on_finished, NULL);

    g_list_free_full (source_files, g_free);

    nautilus_dbus_file_operations_complete_copy_uris (object, invocation);

    return TRUE; /* invocation was handled */

}

/* FIXME: Needs a callback for maintaining alive the application */

static gboolean

handle_empty_trash (NautilusDBusFileOperations *object,

                    GDBusMethodInvocation      *invocation)

{

    nautilus_file_operations_empty_trash (NULL);

    nautilus_dbus_file_operations_complete_empty_trash (object, invocation);

    return TRUE; /* invocation was handled */

}

static void

trash_on_finished (GHashTable *debutting_uris,

                   gboolean    user_cancel,

                   gpointer    callback_data)

{

    g_application_release (g_application_get_default ());

}

static gboolean

handle_trash_files (NautilusDBusFileOperations  *object,

                    GDBusMethodInvocation       *invocation,

                    const gchar                **sources)

{

    g_autolist (GFile) source_files = NULL;

    gint idx;

    for (idx = 0; sources[idx] != NULL; idx++)

    {

        source_files = g_list_prepend (source_files,

                                       g_file_new_for_uri (sources[idx]));

    }

    g_application_hold (g_application_get_default ());

    nautilus_file_operations_trash_or_delete (source_files, NULL,

                                              trash_on_finished, NULL);

    nautilus_dbus_file_operations_complete_trash_files (object, invocation);

    return TRUE; /* invocation was handled */

}

static void

rename_file_on_finished (NautilusFile *file,

                         GFile        *result_location,

                         GError       *error,

                         gpointer      callback_data)

{

    g_application_release (g_application_get_default ());

}

static gboolean

handle_rename_file (NautilusDBusFileOperations *object,

                    GDBusMethodInvocation      *invocation,

                    const gchar                *uri,

                    const gchar                *new_name)

{

    NautilusFile *file = NULL;

    file = nautilus_file_get_by_uri (uri);

    g_application_hold (g_application_get_default ());

    nautilus_file_rename (file, new_name,

                          rename_file_on_finished, NULL);

    nautilus_dbus_file_operations_complete_rename_file (object, invocation);

    return TRUE; /* invocation was handled */

}

static void

undo_manager_changed (NautilusDBusManager *self)

{

    NautilusFileUndoManagerState undo_state;

    undo_state = nautilus_file_undo_manager_get_state ();

    nautilus_dbus_file_operations_set_undo_status (self->file_operations,

                                                   undo_state);

}

static void

nautilus_dbus_manager_init (NautilusDBusManager *self)

{

    self->file_operations = nautilus_dbus_file_operations_skeleton_new ();

    g_signal_connect (self->file_operations,

                      "handle-copy-uris",

                      G_CALLBACK (handle_copy_uris),

                      self);

    g_signal_connect (self->file_operations,

                      "handle-move-uris",

                      G_CALLBACK (handle_move_uris),

                      self);

    g_signal_connect (self->file_operations,

                      "handle-empty-trash",

                      G_CALLBACK (handle_empty_trash),

                      self);

    g_signal_connect (self->file_operations,

                      "handle-trash-files",

                      G_CALLBACK (handle_trash_files),

                      self);

    g_signal_connect (self->file_operations,

                      "handle-create-folder",

                      G_CALLBACK (handle_create_folder),

                      self);

    g_signal_connect (self->file_operations,

                      "handle-rename-file",

                      G_CALLBACK (handle_rename_file),

                      self);

    g_signal_connect (self->file_operations,

                      "handle-undo",

                      G_CALLBACK (handle_undo),

                      self);

    g_signal_connect (self->file_operations,

                      "handle-redo",

                      G_CALLBACK (handle_redo),

                      self);

}

static void

nautilus_dbus_manager_class_init (NautilusDBusManagerClass *klass)

{

    GObjectClass *oclass = G_OBJECT_CLASS (klass);

    oclass->dispose = nautilus_dbus_manager_dispose;

}

NautilusDBusManager *

nautilus_dbus_manager_new (void)

{

    return g_object_new (nautilus_dbus_manager_get_type (),

                         NULL);

}

gboolean

nautilus_dbus_manager_register (NautilusDBusManager  *self,

                                GDBusConnection      *connection,

                                GError              **error)

{

    gboolean succes;

    succes = g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (self->file_operations),

                                               connection, "/org/gnome/Nautilus" PROFILE, error);

    if (succes)

    {

        g_signal_connect_object (nautilus_file_undo_manager_get (),

                                 "undo-changed",

                                 G_CALLBACK (undo_manager_changed),

                                 self,

                                 G_CONNECT_SWAPPED);

        undo_manager_changed (self);

    }

    return succes;

}

void

nautilus_dbus_manager_unregister (NautilusDBusManager *self)

{

    g_dbus_interface_skeleton_unexport (G_DBUS_INTERFACE_SKELETON (self->file_operations));

    g_signal_handlers_disconnect_by_data (nautilus_file_undo_manager_get (), self);

}