From 40e6fffa5ed18480dc9a4d952d55ebd819a9d953 Mon Sep 17 00:00:00 2001 From: nobody Date: Tue, 9 Dec 2003 01:57:09 +0000 Subject: This commit was manufactured by cvs2svn to create tag 'RELEASE-2_8_0'. svn path=/tags/RELEASE-2_8_0/; revision=23849 --- calendar/importers/icalendar-importer.c | 753 -------------------------------- 1 file changed, 753 deletions(-) delete mode 100644 calendar/importers/icalendar-importer.c (limited to 'calendar/importers/icalendar-importer.c') diff --git a/calendar/importers/icalendar-importer.c b/calendar/importers/icalendar-importer.c deleted file mode 100644 index ae9a5c9b21..0000000000 --- a/calendar/importers/icalendar-importer.c +++ /dev/null @@ -1,753 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* Evolution calendar importer component - * - * Authors: Rodrigo Moya - * - * 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "evolution-calendar-importer.h" - -/* We timeout after 2 minutes, when opening the folders. */ -#define IMPORTER_TIMEOUT_SECONDS 120 - - -typedef struct { - ECal *client; - ECal *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 (gpointer user_data) -{ - ICalImporter *ici = (ICalImporter *) user_data; - - g_return_if_fail (ici != NULL); - - g_object_unref (ici->client); - g_object_unref (ici->tasks_client); - - if (ici->icalcomp != NULL) { - icalcomponent_free (ici->icalcomp); - ici->icalcomp = NULL; - } - - 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; - } -} - -/* 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; - GList *vtodos = NULL; - icalcompiter iter; - - iter = icalcomponent_begin_component (icalcomp, ICAL_ANY_COMPONENT); - while ((subcomp = icalcompiter_deref (&iter)) != NULL) { - icalcomponent_kind child_kind = icalcomponent_isa (subcomp); - if (child_kind != ICAL_VEVENT_COMPONENT - && child_kind != ICAL_VTIMEZONE_COMPONENT) { - - icalcompiter_next (&iter); - - icalcomponent_remove_component (icalcomp, subcomp); - if (child_kind == ICAL_VTODO_COMPONENT) - vtodos = g_list_prepend (vtodos, subcomp); - else - icalcomponent_free (subcomp); - - continue; - } - - icalcompiter_next (&iter); - } - - 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; - GList *elem; - icalcompiter iter; - - iter = icalcomponent_begin_component (icalcomp, ICAL_ANY_COMPONENT); - while ((subcomp = icalcompiter_deref (&iter)) != NULL) { - icalcomponent_kind child_kind = icalcomponent_isa (subcomp); - if (child_kind != ICAL_VTODO_COMPONENT - && child_kind != ICAL_VTIMEZONE_COMPONENT) { - icalcompiter_next (&iter); - icalcomponent_remove_component (icalcomp, subcomp); - icalcomponent_free (subcomp); - - continue; - } - - icalcompiter_next (&iter); - } - - for (elem = vtodos; elem; elem = elem->next) { - icalcomponent_add_component (icalcomp, elem->data); - } - g_list_free (vtodos); -} - -static gboolean -update_single_object (ECal *client, icalcomponent *icalcomp) -{ - char *uid; - icalcomponent *tmp_icalcomp; - - uid = (char *) icalcomponent_get_uid (icalcomp); - - if (e_cal_get_object (client, uid, NULL, &tmp_icalcomp, NULL)) - return e_cal_modify_object (client, icalcomp, CALOBJ_MOD_ALL, NULL); - - return e_cal_create_object (client, icalcomp, &uid, NULL); -} - -static gboolean -update_objects (ECal *client, icalcomponent *icalcomp) -{ - icalcomponent *subcomp; - icalcomponent_kind kind; - - kind = icalcomponent_isa (icalcomp); - if (kind == ICAL_VTODO_COMPONENT || kind == ICAL_VEVENT_COMPONENT) - return update_single_object (client, icalcomp); - else if (kind != ICAL_VCALENDAR_COMPONENT) - return FALSE; - - subcomp = icalcomponent_get_first_component (icalcomp, ICAL_ANY_COMPONENT); - while (subcomp) { - gboolean success; - - kind = icalcomponent_isa (subcomp); - if (kind == ICAL_VTIMEZONE_COMPONENT) { - icaltimezone *zone; - - zone = icaltimezone_new (); - icaltimezone_set_component (zone, subcomp); - - success = e_cal_add_timezone (client, zone, NULL); - icaltimezone_free (zone, 1); - if (!success) - return success; - } else if (kind == ICAL_VTODO_COMPONENT || - kind == ICAL_VEVENT_COMPONENT) { - success = update_single_object (client, subcomp); - if (!success) - return success; - } - - subcomp = icalcomponent_get_next_component (icalcomp, ICAL_ANY_COMPONENT); - } - - return TRUE; -} - -static void -process_item_fn (EvolutionImporter *importer, - CORBA_Object listener, - void *closure, - CORBA_Environment *ev) -{ - ECalLoadState 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 (E_IS_CAL (ici->client)); - g_return_if_fail (ici->icalcomp != NULL); - - state = e_cal_get_load_state (ici->client); - tasks_state = e_cal_get_load_state (ici->tasks_client); - if (state == E_CAL_LOAD_LOADING - || tasks_state == E_CAL_LOAD_LOADING) { - GNOME_Evolution_ImporterListener_notifyResult ( - listener, - GNOME_Evolution_ImporterListener_BUSY, - TRUE, ev); - return; - } else if (state != E_CAL_LOAD_LOADED - || tasks_state != E_CAL_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 (!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 (!update_objects (ici->client, ici->icalcomp)) - result = GNOME_Evolution_ImporterListener_BAD_DATA; - - prepare_tasks (ici->icalcomp, vtodos); - if (!update_objects (ici->tasks_client, ici->icalcomp)) - result = GNOME_Evolution_ImporterListener_BAD_DATA; - } else { - prepare_tasks (ici->icalcomp, NULL); - if (!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) { - if (icalcomponent_is_valid (icalcomp)) - ret = TRUE; - else - ret = FALSE; - icalcomponent_free (icalcomp); - } - } - - g_free (contents); - - return ret; -} - -static gboolean -load_file_fn (EvolutionImporter *importer, - const char *filename, - const char *physical_uri, - const char *folder_type, - void *closure) -{ - char *contents, *f; - gboolean ret = FALSE; - ICalImporter *ici = (ICalImporter *) closure; - - g_return_val_if_fail (ici != NULL, FALSE); - - contents = read_file (filename); - - if (!strcmp (folder_type, "calendar")) { - ici->folder_contains_events = TRUE; - ici->folder_contains_tasks = FALSE; - - f = g_strdup ("calendar.ics"); - } else { - ici->folder_contains_events = FALSE; - ici->folder_contains_tasks = TRUE; - - f = g_strdup ("tasks.ics"); - } - - /* parse the file */ - if (contents) { - icalcomponent *icalcomp; - - icalcomp = icalparser_parse_string (contents); - if (icalcomp) { - char *real_uri; - - if (!g_strncasecmp (physical_uri, "file", 4) && - g_strcasecmp (physical_uri + (strlen (physical_uri) - strlen (f)), f)) { - real_uri = g_concat_dir_and_file (physical_uri, f); - } else - real_uri = g_strdup (physical_uri); - - /* create ECal's */ - if (!ici->client) - ici->client = e_cal_new_from_uri (real_uri, CALOBJ_TYPE_EVENT); - if (!ici->tasks_client) - ici->tasks_client = e_cal_new_from_uri ("", CALOBJ_TYPE_TODO); /* FIXME */ - - if (e_cal_open (ici->client, TRUE, NULL) - && e_cal_open (ici->tasks_client, FALSE, NULL)) { - ici->icalcomp = icalcomp; - ret = TRUE; - } - - g_free (real_uri); - } - } - - g_free (contents); - g_free (f); - - return ret; -} - -BonoboObject * -ical_importer_new (void) -{ - ICalImporter *ici; - - ici = g_new0 (ICalImporter, 1); - ici->client = NULL; - ici->tasks_client = NULL; - ici->icalcomp = NULL; - ici->importer = evolution_importer_new (support_format_fn, - load_file_fn, - process_item_fn, - NULL, - ici); - - g_object_weak_ref (G_OBJECT (ici->importer), (GWeakNotify) 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*) _("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 *physical_uri, - const char *folder_type, - void *closure) -{ - gboolean ret = FALSE; - char *f; - ICalImporter *ici = (ICalImporter *) closure; - icalcomponent *icalcomp; - - g_return_val_if_fail (ici != NULL, FALSE); - - if (!strcmp (folder_type, "calendar")) { - ici->folder_contains_events = TRUE; - ici->folder_contains_tasks = FALSE; - - f = g_strdup ("calendar.ics"); - } else { - ici->folder_contains_events = FALSE; - ici->folder_contains_tasks = TRUE; - - f = g_strdup ("tasks.ics"); - } - - icalcomp = load_vcalendar_file (filename); - if (icalcomp) { - char *real_uri; - - if (!g_strncasecmp (physical_uri, "file", 4) && - g_strcasecmp (physical_uri + (strlen (physical_uri) - strlen (f)), f)) { - real_uri = g_concat_dir_and_file (physical_uri, f); - } else - real_uri = g_strdup (physical_uri); - - /* create ECal's */ - if (!ici->client) - ici->client = e_cal_new_from_uri (real_uri, CALOBJ_TYPE_EVENT); - if (!ici->tasks_client) - ici->tasks_client = e_cal_new_from_uri ("", CALOBJ_TYPE_TODO); - - if (e_cal_open (ici->client, TRUE, NULL) - && e_cal_open (ici->tasks_client, FALSE, NULL)) { - ici->icalcomp = icalcomp; - ret = TRUE; - } - - g_free (real_uri); - } - - g_free (f); - - return ret; -} - -BonoboObject * -vcal_importer_new (void) -{ - ICalImporter *ici; - - ici = g_new0 (ICalImporter, 1); - ici->client = NULL; - ici->tasks_client = NULL; - ici->icalcomp = NULL; - ici->importer = evolution_importer_new (vcal_support_format_fn, - vcal_load_file_fn, - process_item_fn, - NULL, - ici); - - g_object_weak_ref (G_OBJECT (ici->importer), (GWeakNotify) importer_destroy_cb, ici); - - return BONOBO_OBJECT (ici->importer); -} - - - - - - -static void -gnome_calendar_importer_destroy_cb (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; - ECal *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 = e_cal_new_from_uri ("", CALOBJ_TYPE_EVENT); /* FIXME: use default folder */ - if (!e_cal_open (calendar_client, FALSE, NULL)) - goto out; - } - - if (ici->do_tasks) { - tasks_client = e_cal_new_from_uri ("", CALOBJ_TYPE_TODO); /* FIXME: use default folder */ - if (!e_cal_open (tasks_client, FALSE, NULL)) - 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++) { - ECalLoadState calendar_state, tasks_state; - - calendar_state = tasks_state = E_CAL_LOAD_LOADED; - - /* We need this so the ECal gets notified that the - folder is opened, via Corba. */ - while (gtk_events_pending ()) - gtk_main_iteration (); - - if (ici->do_calendar) - calendar_state = e_cal_get_load_state (calendar_client); - - if (ici->do_tasks) - tasks_state = e_cal_get_load_state (tasks_client); - - if (calendar_state == E_CAL_LOAD_LOADED - && tasks_state == E_CAL_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) - update_objects (calendar_client, icalcomp); - - - /* - * Import the tasks into the default tasks folder. - */ - prepare_tasks (icalcomp, vtodos); - if (ici->do_tasks) - update_objects (tasks_client, icalcomp); - - out: - if (icalcomp) - icalcomponent_free (icalcomp); - if (calendar_client) - g_object_unref (calendar_client); - if (tasks_client) - g_object_unref (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")); - g_signal_connect (G_OBJECT (calendar_checkbox), "toggled", - G_CALLBACK (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")); - g_signal_connect (G_OBJECT (tasks_checkbox), "toggled", - G_CALLBACK (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); - - - g_object_weak_ref (G_OBJECT (importer), (GWeakNotify) 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); -} -- cgit v1.2.3