/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-shell-offline-sync.c - Sync folders before going into Offline mode.
*
* Copyright (C) 2002 Ximian, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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: Ettore Perazzoli <ettore@ximian.com>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "e-shell-offline-sync.h"
#include "e-shell.h"
#include "e-shell-constants.h"
#include "Evolution.h"
#include <gal/widgets/e-gui-utils.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkmain.h>
#include <gtk/gtkprogressbar.h>
#include <gtk/gtksignal.h>
#include <libgnomeui/gnome-dialog.h>
#include <libgnomeui/gnome-stock.h>
#include <libgnome/gnome-i18n.h>
#include <bonobo/bonobo-main.h>
#include <bonobo/bonobo-exception.h>
typedef struct _SyncData SyncData;
typedef struct _SyncFolderProgressListenerServant SyncFolderProgressListenerServant;
struct _SyncFolderProgressListenerServant {
POA_GNOME_Evolution_SyncFolderProgressListener servant;
SyncData *sync_data;
};
struct _SyncData {
/* The shell. */
EShell *shell;
/* The progress dialog. */
GtkWidget *dialog;
/* Label in the progress dialog. */
GtkWidget *label;
/* Progress bar in the progress dialog. */
GtkWidget *progress_bar;
/* Path of the folder currently being synced. */
char *current_folder_path;
/* Whether to cancel the current folder's syncing. */
gboolean cancel;
/* Whether the current folder is finished syncing; used for async
notification of completion. */
gboolean current_folder_finished;
/* CORBA cruft. */
SyncFolderProgressListenerServant *progress_listener_servant;
GNOME_Evolution_SyncFolderProgressListener progress_listener_objref;
};
/* The progress listener interface. */
static PortableServer_ServantBase__epv SyncFolderProgressListener_base_epv;
static POA_GNOME_Evolution_SyncFolderProgressListener__epv SyncFolderProgressListener_epv;
static POA_GNOME_Evolution_SyncFolderProgressListener__vepv SyncFolderProgressListener_vepv;
static SyncFolderProgressListenerServant *
progress_listener_servant_new (SyncData *sync_data)
{
SyncFolderProgressListenerServant *servant;
servant = g_new0 (SyncFolderProgressListenerServant, 1);
servant->servant.vepv = &SyncFolderProgressListener_vepv;
servant->sync_data = sync_data;
return servant;
}
static void
progress_listener_servant_free (SyncFolderProgressListenerServant *servant)
{
CORBA_Environment ev;
PortableServer_ObjectId *oid;
CORBA_exception_init (&ev);
oid = PortableServer_POA_servant_to_id (bonobo_poa (), servant, &ev);
PortableServer_POA_deactivate_object (bonobo_poa (), oid, &ev);
CORBA_free (oid);
POA_GNOME_Evolution_SyncFolderProgressListener__fini ((POA_GNOME_Evolution_SyncFolderProgressListener *) servant, &ev);
CORBA_exception_free (&ev);
g_free (servant);
}
static void
impl_SyncFolderProgressListener_updateProgress (PortableServer_Servant servant,
const CORBA_float percent,
CORBA_Environment *ev)
{
SyncData *sync_data;
sync_data = ((SyncFolderProgressListenerServant *) servant)->sync_data;
gtk_progress_set_percentage (GTK_PROGRESS (sync_data->progress_bar), percent);
}
static void
impl_SyncFolderProgressListener_reportSuccess (PortableServer_Servant servant,
CORBA_Environment *ev)
{
SyncData *sync_data;
sync_data = ((SyncFolderProgressListenerServant *) servant)->sync_data;
sync_data->current_folder_finished = TRUE;
}
static void
impl_SyncFolderProgressListener_reportFailure (PortableServer_Servant servant,
const CORBA_char *message,
CORBA_Environment *ev)
{
EFolder *folder;
SyncData *sync_data;
sync_data = ((SyncFolderProgressListenerServant *) servant)->sync_data;
folder = e_storage_set_get_folder (e_shell_get_storage_set (sync_data->shell),
sync_data->current_folder_path);
/* FIXME -- We probably should give the user more of a chance to do
something about it. */
e_notice (GTK_WINDOW (sync_data->dialog),
_("Error synchronizing \"%s\":\n%s"), e_folder_get_name (folder), message);
sync_data->current_folder_finished = TRUE;
}
static gboolean
setup_progress_listener (SyncData *sync_data)
{
SyncFolderProgressListenerServant *servant;
CORBA_Environment ev;
SyncFolderProgressListener_base_epv._private = NULL;
SyncFolderProgressListener_base_epv.finalize = NULL;
SyncFolderProgressListener_base_epv.default_POA = NULL;
SyncFolderProgressListener_epv.updateProgress = impl_SyncFolderProgressListener_updateProgress;
SyncFolderProgressListener_epv.reportSuccess = impl_SyncFolderProgressListener_reportSuccess;
SyncFolderProgressListener_epv.reportFailure = impl_SyncFolderProgressListener_reportFailure;
SyncFolderProgressListener_vepv._base_epv = &SyncFolderProgressListener_base_epv;
SyncFolderProgressListener_vepv.GNOME_Evolution_SyncFolderProgressListener_epv = &SyncFolderProgressListener_epv;
servant = progress_listener_servant_new (sync_data);
CORBA_exception_init (&ev);
POA_GNOME_Evolution_SyncFolderProgressListener__init ((PortableServer_Servant) servant, &ev);
if (ev._major != CORBA_NO_EXCEPTION) {
g_warning ("Cannot initialize GNOME::Evolution::Offline::ProgressListener");
progress_listener_servant_free (servant);
CORBA_exception_free (&ev);
return FALSE;
}
CORBA_free (PortableServer_POA_activate_object (bonobo_poa (), servant, &ev));
if (ev._major != CORBA_NO_EXCEPTION) {
g_warning ("Cannot activate GNOME::Evolution::Offline::ProgressListener");
progress_listener_servant_free (servant);
CORBA_exception_free (&ev);
return FALSE;
}
sync_data->progress_listener_servant = servant;
sync_data->progress_listener_objref = PortableServer_POA_servant_to_reference (bonobo_poa (),
servant, &ev);
CORBA_exception_free (&ev);
return TRUE;
}
/* Setting up the progress dialog. */
static int
progress_dialog_close_callback (GnomeDialog *dialog,
void *data)
{
/* Don't allow the dialog to be closed through the window manager close
command. */
return TRUE;
}
static void
progress_dialog_clicked_callback (GnomeDialog *dialog,
int button_num,
void *data)
{
SyncData *sync_data;
sync_data = (SyncData *) data;
sync_data->cancel = TRUE;
}
static void
setup_dialog (SyncData *sync_data)
{
sync_data->dialog = gnome_dialog_new (_("Syncing Folder"), GNOME_STOCK_BUTTON_CANCEL, NULL);
gtk_widget_set_usize (sync_data->dialog, 300, -1);
gtk_window_set_policy (GTK_WINDOW (sync_data->dialog), FALSE, FALSE, FALSE);
gtk_signal_connect (GTK_OBJECT (sync_data->dialog), "close",
GTK_SIGNAL_FUNC (progress_dialog_close_callback), sync_data);
gtk_signal_connect (GTK_OBJECT (sync_data->dialog), "clicked",
GTK_SIGNAL_FUNC (progress_dialog_clicked_callback), sync_data);
sync_data->label = gtk_label_new ("");
gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (sync_data->dialog)->vbox),
sync_data->label, FALSE, TRUE, 0);
sync_data->progress_bar = gtk_progress_bar_new ();
gtk_progress_set_activity_mode (GTK_PROGRESS (sync_data->progress_bar), FALSE);
gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (sync_data->dialog)->vbox),
sync_data->progress_bar, FALSE, TRUE, 0);
gtk_widget_show_all (sync_data->dialog);
}
/* Sync the folder at the specified @folder_path. */
static void
sync_folder (SyncData *sync_data,
const char *folder_path,
int num,
int total)
{
EvolutionShellComponentClient *component_client;
EStorageSet *storage_set;
GNOME_Evolution_Folder *corba_folder;
GNOME_Evolution_Offline offline_interface;
CORBA_Environment ev;
EFolder *folder;
char *evolution_uri;
char *msg;
CORBA_exception_init (&ev);
/* Retrieve the folder that needs to be synced from the storage set, as
well as the component that should perform the syncing. */
storage_set = e_shell_get_storage_set (sync_data->shell);
folder = e_storage_set_get_folder (storage_set, folder_path);
if (folder == NULL) {
/* This might be a remote folder that is not visible right now,
or is otherwise hidden from the tree somehow. So we just
ignore it, and keep going without signalling any error. */
return;
}
/* Don't attempt to sync folders that don't have the can_sync_offline
property set. */
if (! e_folder_get_can_sync_offline (folder))
return;
component_client = e_folder_type_registry_get_handler_for_type (e_shell_get_folder_type_registry (sync_data->shell),
e_folder_get_type_string (folder));
offline_interface = evolution_shell_component_client_get_offline_interface (component_client);
if (offline_interface == CORBA_OBJECT_NIL) {
/* The component doesn't support going off-line, just ignore
this as it's probably a programming error in the
implementation of the component. */
return;
}
/* Prepare the CORBA folder to be passed to the component. */
corba_folder = GNOME_Evolution_Folder__alloc ();
evolution_uri = g_strconcat (E_SHELL_URI_PREFIX, "/", folder_path, NULL);
e_folder_to_corba (folder, evolution_uri, corba_folder);
g_free (evolution_uri);
/* Prepare the dialog. */
msg = g_strdup_printf (_("Synchronizing \"%s\" (%d of %d) ..."),
e_folder_get_name (folder), num, total);
gtk_label_set (GTK_LABEL (sync_data->label), msg);
g_free (msg);
gtk_progress_set_value (GTK_PROGRESS (sync_data->progress_bar), 0.0);
/* Get the data ready. */
g_free (sync_data->current_folder_path);
sync_data->current_folder_path = g_strdup (folder_path);
sync_data->current_folder_finished = FALSE;
sync_data->cancel = FALSE;
/* Tell the component to start syncing. */
GNOME_Evolution_Offline_syncFolder (offline_interface,
corba_folder,
sync_data->progress_listener_objref,
&ev);
if (BONOBO_EX (&ev)) {
g_warning ("Error invoking ::syncFolder -- %s", BONOBO_EX_ID (&ev));
CORBA_free (corba_folder);
CORBA_exception_free (&ev);
return;
}
/* Wait for the component to signal completion... */
while (! sync_data->current_folder_finished && ! sync_data->cancel) {
gtk_main_iteration ();
/* Check if the user clicked the Cancel button. */
if (sync_data->cancel) {
gnome_dialog_set_sensitive (GNOME_DIALOG (sync_data->dialog), 0, FALSE);
GNOME_Evolution_Offline_cancelSyncFolder (offline_interface, corba_folder, &ev);
while (! sync_data->current_folder_finished)
gtk_main_iteration ();
break;
}
}
/* All done. */
CORBA_free (corba_folder);
CORBA_exception_free (&ev);
}
/* Free up the data needed for syncing. */
static void
cleanup (SyncData *sync_data)
{
CORBA_Environment ev;
CORBA_exception_init (&ev);
if (sync_data->dialog != NULL)
gtk_widget_destroy (sync_data->dialog);
if (sync_data->progress_listener_servant != NULL)
progress_listener_servant_free (sync_data->progress_listener_servant);
if (sync_data->progress_listener_objref != CORBA_OBJECT_NIL)
CORBA_Object_release (sync_data->progress_listener_objref, &ev);
g_free (sync_data);
CORBA_exception_free (&ev);
}
void
e_shell_offline_sync_all_folders (EShell *shell,
GtkWindow *parent_window)
{
Bonobo_ConfigDatabase config_db;
CORBA_sequence_CORBA_string *folder_path_sequence;
CORBA_any *any;
CORBA_Environment ev;
SyncData *sync_data;
int i;
config_db = e_shell_get_config_db (shell);
CORBA_exception_init (&ev);
/* Get the paths for the folders to sync up. */
any = Bonobo_ConfigDatabase_getValue (config_db, "/OfflineFolders/paths", "", &ev);
if (BONOBO_EX (&ev)) {
g_warning ("Cannot get /OfflineFolders/paths from ConfigDatabase -- %s", BONOBO_EX_ID (&ev));
CORBA_exception_free (&ev);
return;
}
if (! CORBA_TypeCode_equal (any->_type, TC_CORBA_sequence_CORBA_string, &ev) || BONOBO_EX (&ev)) {
g_warning ("/OfflineFolders/Paths in ConfigDatabase is not the expected type");
CORBA_free (any);
CORBA_exception_free (&ev);
return;
}
folder_path_sequence = (CORBA_sequence_CORBA_string *) any->_value;
sync_data = g_new0 (SyncData, 1);
sync_data->shell = shell;
/* Initialize everything, then go ahead and sync. */
if (! setup_progress_listener (sync_data))
goto done;
setup_dialog (sync_data);
for (i = 0; i < folder_path_sequence->_length; i ++) {
sync_folder (sync_data,
folder_path_sequence->_buffer[i],
i + 1, folder_path_sequence->_length);
/* If the operation has been cancelled, stop syncing and
return. */
if (sync_data->cancel) {
/* FIXME: Do we want to pop up a dialog asking for
confirmation? */
break;
}
}
done:
cleanup (sync_data);
CORBA_free (folder_path_sequence);
CORBA_exception_free (&ev);
}
