diff options
Diffstat (limited to 'calendar/importers/icalendar-importer.c')
| -rw-r--r-- | calendar/importers/icalendar-importer.c | 683 |
1 files changed, 0 insertions, 683 deletions
diff --git a/calendar/importers/icalendar-importer.c b/calendar/importers/icalendar-importer.c deleted file mode 100644 index 6a7a6f363f..0000000000 --- a/calendar/importers/icalendar-importer.c +++ /dev/null @@ -1,683 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* Evolution calendar importer component - * - * Authors: Rodrigo Moya <rodrigo@ximian.com> - * - * Copyright (C) 2001 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. - */ - -#include <sys/types.h> -#include <fcntl.h> -#include <gtk/gtksignal.h> -#include <gtk/gtkcheckbutton.h> -#include <gtk/gtkhbox.h> -#include <gtk/gtkmain.h> -#include <libgnome/gnome-defs.h> -#include <libgnome/gnome-util.h> -#include <bonobo/bonobo-control.h> -#include <gal/util/e-unicode-i18n.h> -#include <cal-client.h> -#include <importer/evolution-importer.h> -#include <importer/evolution-intelligent-importer.h> -#include <importer/GNOME_Evolution_Importer.h> -#include "icalvcal.h" -#include "evolution-calendar-importer.h" - -/* We timeout after 2 minutes, when opening the folders. */ -#define IMPORTER_TIMEOUT_SECONDS 120 - - -typedef struct { - CalClient *client; - CalClient *tasks_client; - EvolutionImporter *importer; - icalcomponent *icalcomp; - gboolean folder_contains_events; - gboolean folder_contains_tasks; -} ICalImporter; - -typedef struct { - gboolean do_calendar; - gboolean do_tasks; -} ICalIntelligentImporter; - -/* - * Functions shared by iCalendar & vCalendar importer. - */ - -static void -importer_destroy_cb (GtkObject *object, gpointer user_data) -{ - ICalImporter *ici = (ICalImporter *) user_data; - - g_return_if_fail (ici != NULL); - - gtk_object_unref (GTK_OBJECT (ici->client)); - gtk_object_unref (GTK_OBJECT (ici->tasks_client)); - if (ici->icalcomp != NULL) - icalcomponent_free (ici->icalcomp); - g_free (ici); -} - - -/* This reads in an entire file and returns it. It returns NULL on error. - The returned string should be freed. */ -static char* -read_file (const char *filename) -{ - int fd, n; - GString *str; - char buffer[2049]; - gboolean error = FALSE; - - /* read file contents */ - fd = open (filename, O_RDONLY); - if (fd == -1) - return NULL; - - str = g_string_new (""); - while (1) { - memset (buffer, 0, sizeof(buffer)); - n = read (fd, buffer, sizeof (buffer) - 1); - if (n > 0) { - str = g_string_append (str, buffer); - } else if (n == 0) { - break; - } else { - error = TRUE; - break; - } - } - - close (fd); - - if (error) { - g_string_free (str, FALSE); - return NULL; - } else { - gchar *retval = str->str; - g_string_free (str, FALSE); - return retval; - } -} - - -/* Returns the URI to load given a folder path. Currently this is just a full - pathname. The returned string should be freed. */ -static char* -get_uri_from_folder_path (const char *folderpath) -{ - const char *name; - char *parent; - - if (folderpath == NULL || *folderpath == '\0') { - return g_strdup_printf ("%s/evolution/local/Calendar/calendar.ics", - g_get_home_dir ()); - } - - name = strrchr (folderpath, '/'); - if (name == NULL || name == folderpath) { - parent = "evolution/local/"; - if (folderpath[0] == '/') - name = folderpath + 1; - else - name = folderpath; - } else { - name += 1; - parent = "evolution/local/Calendar/subfolders/"; - } - - return g_strdup_printf ("%s/%s%s/calendar.ics", g_get_home_dir (), - parent, name); -} - - -/* Determine whether it is a calendar or tasks folder, or both. If it starts - with 'file:' we know it is a local folder so we see if it ends with - calendar.ics or tasks.ics. For remote folders (i.e. Exchange folders at - present), we import both calendar events and tasks into it. */ -static void -check_folder_type (ICalImporter *ici, - const char *folderpath) -{ - ici->folder_contains_events = TRUE; - ici->folder_contains_tasks = TRUE; - - /* FIXME: Finish. */ -} - - -/* This removes all components except VEVENTs and VTIMEZONEs from the toplevel - icalcomponent, and returns a GList of the VTODO components. */ -static GList* -prepare_events (icalcomponent *icalcomp) -{ - icalcomponent *subcomp, *next_subcomp; - GList *vtodos = NULL; - - subcomp = icalcomponent_get_first_component (icalcomp, - ICAL_ANY_COMPONENT); - while (subcomp) { - icalcomponent_kind child_kind = icalcomponent_isa (subcomp); - next_subcomp = icalcomponent_get_next_component (icalcomp, ICAL_ANY_COMPONENT); - if (child_kind != ICAL_VEVENT_COMPONENT - && child_kind != ICAL_VTIMEZONE_COMPONENT) { - - icalcomponent_remove_component (icalcomp, - subcomp); - if (child_kind == ICAL_VTODO_COMPONENT) - vtodos = g_list_prepend (vtodos, subcomp); - else - icalcomponent_free (subcomp); - } - subcomp = next_subcomp; - } - - return vtodos; -} - - -/* This removes all components except VTODOs and VTIMEZONEs from the toplevel - icalcomponent, and adds the given list of VTODO components. The list is - freed afterwards. */ -static void -prepare_tasks (icalcomponent *icalcomp, GList *vtodos) -{ - icalcomponent *subcomp, *next_subcomp; - GList *elem; - - subcomp = icalcomponent_get_first_component (icalcomp, - ICAL_ANY_COMPONENT); - while (subcomp) { - icalcomponent_kind child_kind = icalcomponent_isa (subcomp); - next_subcomp = icalcomponent_get_next_component (icalcomp, ICAL_ANY_COMPONENT); - if (child_kind != ICAL_VTODO_COMPONENT - && child_kind != ICAL_VTIMEZONE_COMPONENT) { - icalcomponent_remove_component (icalcomp, subcomp); - icalcomponent_free (subcomp); - } - subcomp = next_subcomp; - } - - for (elem = vtodos; elem; elem = elem->next) { - icalcomponent_add_component (icalcomp, elem->data); - } - g_list_free (vtodos); -} - - -static void -process_item_fn (EvolutionImporter *importer, - CORBA_Object listener, - void *closure, - CORBA_Environment *ev) -{ - CalClientLoadState state, tasks_state; - ICalImporter *ici = (ICalImporter *) closure; - GNOME_Evolution_ImporterListener_ImporterResult result; - - result = GNOME_Evolution_ImporterListener_OK; - - g_return_if_fail (ici != NULL); - g_return_if_fail (IS_CAL_CLIENT (ici->client)); - g_return_if_fail (ici->icalcomp != NULL); - - state = cal_client_get_load_state (ici->client); - tasks_state = cal_client_get_load_state (ici->tasks_client); - if (state == CAL_CLIENT_LOAD_LOADING - || tasks_state == CAL_CLIENT_LOAD_LOADING) { - GNOME_Evolution_ImporterListener_notifyResult ( - listener, - GNOME_Evolution_ImporterListener_NOT_READY, - TRUE, ev); - return; - } - else if (state != CAL_CLIENT_LOAD_LOADED - || tasks_state != CAL_CLIENT_LOAD_LOADED) { - GNOME_Evolution_ImporterListener_notifyResult ( - listener, - GNOME_Evolution_ImporterListener_UNSUPPORTED_OPERATION, - FALSE, ev); - return; - } - - /* If the folder contains events & tasks we can just import everything - into it. If it contains just events, we have to strip out the - VTODOs and import them into the default tasks folder. If the folder - contains just tasks, we strip out the VEVENTs, which do not get - imported at all. */ - if (ici->folder_contains_events && ici->folder_contains_tasks) { - if (!cal_client_update_objects (ici->client, ici->icalcomp)) - result = GNOME_Evolution_ImporterListener_BAD_DATA; - } else if (ici->folder_contains_events) { - GList *vtodos = prepare_events (ici->icalcomp); - if (!cal_client_update_objects (ici->client, ici->icalcomp)) - result = GNOME_Evolution_ImporterListener_BAD_DATA; - - prepare_tasks (ici->icalcomp, vtodos); - if (!cal_client_update_objects (ici->tasks_client, - ici->icalcomp)) - result = GNOME_Evolution_ImporterListener_BAD_DATA; - } else { - prepare_tasks (ici->icalcomp, NULL); - if (!cal_client_update_objects (ici->client, ici->icalcomp)) - result = GNOME_Evolution_ImporterListener_BAD_DATA; - } - - GNOME_Evolution_ImporterListener_notifyResult (listener, result, FALSE, - ev); -} - - -/* - * iCalendar importer functions. - */ - -static gboolean -support_format_fn (EvolutionImporter *importer, - const char *filename, - void *closure) -{ - char *contents; - icalcomponent *icalcomp; - gboolean ret = FALSE; - - contents = read_file (filename); - - /* parse the file */ - if (contents) { - icalcomp = icalparser_parse_string (contents); - if (icalcomp) { - icalcomponent_free (icalcomp); - ret = TRUE; - } - } - - g_free (contents); - - return ret; -} - -static gboolean -load_file_fn (EvolutionImporter *importer, - const char *filename, - const char *folderpath, - void *closure) -{ - char *uri_str, *contents; - gboolean ret = FALSE; - ICalImporter *ici = (ICalImporter *) closure; - - g_return_val_if_fail (ici != NULL, FALSE); - - uri_str = get_uri_from_folder_path (folderpath); - check_folder_type (ici, folderpath); - - contents = read_file (filename); - - /* parse the file */ - if (contents) { - icalcomponent *icalcomp; - - icalcomp = icalparser_parse_string (contents); - if (icalcomp) { - if (cal_client_open_calendar (ici->client, uri_str, TRUE) - && cal_client_open_default_tasks (ici->tasks_client, FALSE)) { - ici->icalcomp = icalcomp; - ret = TRUE; - } - } - } - - g_free (contents); - g_free (uri_str); - - return ret; -} - -BonoboObject * -ical_importer_new (void) -{ - ICalImporter *ici; - - ici = g_new0 (ICalImporter, 1); - ici->client = cal_client_new (); - ici->tasks_client = cal_client_new (); - ici->icalcomp = NULL; - ici->importer = evolution_importer_new (support_format_fn, - load_file_fn, - process_item_fn, - NULL, - ici); - gtk_signal_connect (GTK_OBJECT (ici->importer), "destroy", - GTK_SIGNAL_FUNC (importer_destroy_cb), ici); - - return BONOBO_OBJECT (ici->importer); -} - - - -/* - * vCalendar importer functions. - */ - -static gboolean -vcal_support_format_fn (EvolutionImporter *importer, - const char *filename, - void *closure) -{ - char *contents; - gboolean ret = FALSE; - - contents = read_file (filename); - - /* parse the file */ - if (contents) { - VObject *vcal; - - vcal = Parse_MIME (contents, strlen (contents)); - - if (vcal) { - icalcomponent *icalcomp; - - icalcomp = icalvcal_convert (vcal); - - if (icalcomp) { - icalcomponent_free (icalcomp); - ret = TRUE; - } - - cleanVObject (vcal); - } - } - - g_free (contents); - - return ret; -} - -/* This tries to load in a vCalendar file and convert it to an icalcomponent. - It returns NULL on failure. */ -static icalcomponent* -load_vcalendar_file (const char *filename) -{ - icalvcal_defaults defaults = { 0 }; - icalcomponent *icalcomp = NULL; - char *contents; - - defaults.alarm_audio_url = "file://" EVOLUTION_SOUNDDIR "/default_alarm.wav"; - defaults.alarm_audio_fmttype = "audio/x-wav"; - defaults.alarm_description = (char*) U_("Reminder!!"); - - contents = read_file (filename); - - /* parse the file */ - if (contents) { - VObject *vcal; - - vcal = Parse_MIME (contents, strlen (contents)); - - if (vcal) { - icalcomp = icalvcal_convert_with_defaults (vcal, - &defaults); - cleanVObject (vcal); - } - } - - g_free (contents); - - return icalcomp; -} - -static gboolean -vcal_load_file_fn (EvolutionImporter *importer, - const char *filename, - const char *folderpath, - void *closure) -{ - char *uri_str; - gboolean ret = FALSE; - ICalImporter *ici = (ICalImporter *) closure; - icalcomponent *icalcomp; - - g_return_val_if_fail (ici != NULL, FALSE); - - uri_str = get_uri_from_folder_path (folderpath); - check_folder_type (ici, folderpath); - - icalcomp = load_vcalendar_file (filename); - if (icalcomp) { - if (cal_client_open_calendar (ici->client, uri_str, TRUE) - && cal_client_open_default_tasks (ici->tasks_client, FALSE)) { - ici->icalcomp = icalcomp; - ret = TRUE; - } - } - - g_free (uri_str); - - return ret; -} - -BonoboObject * -vcal_importer_new (void) -{ - ICalImporter *ici; - - ici = g_new0 (ICalImporter, 1); - ici->client = cal_client_new (); - ici->tasks_client = cal_client_new (); - ici->icalcomp = NULL; - ici->importer = evolution_importer_new (vcal_support_format_fn, - vcal_load_file_fn, - process_item_fn, - NULL, - ici); - gtk_signal_connect (GTK_OBJECT (ici->importer), "destroy", - GTK_SIGNAL_FUNC (importer_destroy_cb), ici); - - return BONOBO_OBJECT (ici->importer); -} - - - - - - -static void -gnome_calendar_importer_destroy_cb (GtkObject *object, gpointer user_data) -{ - ICalIntelligentImporter *ici = (ICalIntelligentImporter *) user_data; - - g_return_if_fail (ici != NULL); - - g_free (ici); -} - - - -static gboolean -gnome_calendar_can_import_fn (EvolutionIntelligentImporter *ii, - void *closure) -{ - char *filename; - gboolean gnome_calendar_exists; - - filename = gnome_util_home_file ("user-cal.vcf"); - gnome_calendar_exists = g_file_exists (filename); - g_free (filename); - - return gnome_calendar_exists; -} - - -static void -gnome_calendar_import_data_fn (EvolutionIntelligentImporter *ii, - void *closure) -{ - ICalIntelligentImporter *ici = closure; - icalcomponent *icalcomp = NULL; - char *filename; - GList *vtodos; - CalClient *calendar_client = NULL, *tasks_client = NULL; - int t; - - /* If neither is selected, just return. */ - if (!ici->do_calendar && !ici->do_tasks) { - return; - } - - /* Try to open the default calendar & tasks folders. */ - if (ici->do_calendar) { - calendar_client = cal_client_new (); - if (!cal_client_open_default_calendar (calendar_client, FALSE)) - goto out; - } - - if (ici->do_tasks) { - tasks_client = cal_client_new (); - if (!cal_client_open_default_tasks (tasks_client, FALSE)) - goto out; - } - - /* Load the Gnome Calendar file and convert to iCalendar. */ - filename = gnome_util_home_file ("user-cal.vcf"); - icalcomp = load_vcalendar_file (filename); - g_free (filename); - - /* If we couldn't load the file, just return. FIXME: Error message? */ - if (!icalcomp) - goto out; - - /* - * Import the calendar events into the default calendar folder. - */ - vtodos = prepare_events (icalcomp); - - /* Wait for client to finish opening the calendar & tasks folders. */ - for (t = 0; t < IMPORTER_TIMEOUT_SECONDS; t++) { - CalClientLoadState calendar_state, tasks_state; - - calendar_state = tasks_state = CAL_CLIENT_LOAD_LOADED; - - /* We need this so the CalClient gets notified that the - folder is opened, via Corba. */ - while (gtk_events_pending ()) - gtk_main_iteration (); - - if (ici->do_calendar) - calendar_state = cal_client_get_load_state (calendar_client); - - if (ici->do_tasks) - tasks_state = cal_client_get_load_state (tasks_client); - - if (calendar_state == CAL_CLIENT_LOAD_LOADED - && tasks_state == CAL_CLIENT_LOAD_LOADED) - break; - - sleep (1); - } - - /* If we timed out, just return. */ - if (t == IMPORTER_TIMEOUT_SECONDS) - goto out; - - /* Import the calendar events. */ - /* FIXME: What do intelligent importers do about errors? */ - if (ici->do_calendar) - cal_client_update_objects (calendar_client, icalcomp); - - - /* - * Import the tasks into the default tasks folder. - */ - prepare_tasks (icalcomp, vtodos); - if (ici->do_tasks) - cal_client_update_objects (tasks_client, icalcomp); - - out: - if (icalcomp) - icalcomponent_free (icalcomp); - if (calendar_client) - gtk_object_unref (GTK_OBJECT (calendar_client)); - if (tasks_client) - gtk_object_unref (GTK_OBJECT (tasks_client)); -} - - -/* Fun with aggregation */ -static void -checkbox_toggle_cb (GtkToggleButton *tb, - gboolean *do_item) -{ - *do_item = gtk_toggle_button_get_active (tb); -} - -static BonoboControl * -create_checkboxes_control (ICalIntelligentImporter *ici) -{ - GtkWidget *hbox, *calendar_checkbox, *tasks_checkbox; - BonoboControl *control; - - hbox = gtk_hbox_new (FALSE, 2); - - calendar_checkbox = gtk_check_button_new_with_label (_("Calendar Events")); - gtk_signal_connect (GTK_OBJECT (calendar_checkbox), "toggled", - GTK_SIGNAL_FUNC (checkbox_toggle_cb), - &ici->do_calendar); - gtk_box_pack_start (GTK_BOX (hbox), calendar_checkbox, - FALSE, FALSE, 0); - - tasks_checkbox = gtk_check_button_new_with_label (_("Tasks")); - gtk_signal_connect (GTK_OBJECT (tasks_checkbox), "toggled", - GTK_SIGNAL_FUNC (checkbox_toggle_cb), - &ici->do_tasks); - gtk_box_pack_start (GTK_BOX (hbox), tasks_checkbox, - FALSE, FALSE, 0); - - gtk_widget_show_all (hbox); - control = bonobo_control_new (hbox); - return control; -} - -BonoboObject * -gnome_calendar_importer_new (void) -{ - EvolutionIntelligentImporter *importer; - ICalIntelligentImporter *ici; - BonoboControl *control; - char *message = N_("Evolution has found Gnome Calendar files.\n" - "Would you like to import them into Evolution?"); - - ici = g_new0 (ICalIntelligentImporter, 1); - - importer = evolution_intelligent_importer_new (gnome_calendar_can_import_fn, - gnome_calendar_import_data_fn, - _("Gnome Calendar"), - _(message), - ici); - - - gtk_signal_connect (GTK_OBJECT (importer), "destroy", - GTK_SIGNAL_FUNC (gnome_calendar_importer_destroy_cb), ici); - - control = create_checkboxes_control (ici); - bonobo_object_add_interface (BONOBO_OBJECT (importer), - BONOBO_OBJECT (control)); - - return BONOBO_OBJECT (importer); -} |