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authornobody <nobody@localhost>2001-07-25 08:33:17 +0800
committernobody <nobody@localhost>2001-07-25 08:33:17 +0800
commit770f11aa5b874bb959b96cce5b59d3c4e19d0cfa (patch)
tree8ef1fb6f0f43735a382bada2f369dde7d04387f4 /calendar/cal-client/cal-client.c
parente951bf718e130e43567187f4b71c27672cd6e996 (diff)
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This commit was manufactured by cvs2svn to create tagBONOBO_CONF_0_10
'BONOBO_CONF_0_10'. svn path=/tags/BONOBO_CONF_0_10/; revision=11375
Diffstat (limited to 'calendar/cal-client/cal-client.c')
-rw-r--r--calendar/cal-client/cal-client.c2023
1 files changed, 0 insertions, 2023 deletions
diff --git a/calendar/cal-client/cal-client.c b/calendar/cal-client/cal-client.c
deleted file mode 100644
index 4d2ba2805b..0000000000
--- a/calendar/cal-client/cal-client.c
+++ /dev/null
@@ -1,2023 +0,0 @@
-/* Evolution calendar client
- *
- * Copyright (C) 2001 Ximian, Inc.
- *
- * Author: Federico Mena-Quintero <federico@ximian.com>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <gtk/gtksignal.h>
-#include <liboaf/liboaf.h>
-
-#include "cal-client-types.h"
-#include "cal-client.h"
-#include "cal-listener.h"
-#include "wombat-client.h"
-
-
-
-/* Private part of the CalClient structure */
-struct _CalClientPrivate {
- /* Load state to avoid multiple loads */
- CalClientLoadState load_state;
-
- /* URI of the calendar that is being loaded or is already loaded, or
- * NULL if we are not loaded.
- */
- char *uri;
-
- /* The calendar factory we are contacting */
- GNOME_Evolution_Calendar_CalFactory factory;
-
- /* Our calendar listener implementation */
- CalListener *listener;
-
- /* The calendar client interface object we are contacting */
- GNOME_Evolution_Calendar_Cal cal;
-
- /* The authentication function */
- CalClientAuthFunc auth_func;
- gpointer auth_user_data;
-
- /* The WombatClient */
- WombatClient *w_client;
-
- /* A cache of timezones retrieved from the server, to avoid getting
- them repeatedly for each get_object() call. */
- GHashTable *timezones;
-};
-
-
-
-/* Signal IDs */
-enum {
- CAL_OPENED,
- OBJ_UPDATED,
- OBJ_REMOVED,
- FORGET_PASSWORD,
- LAST_SIGNAL
-};
-
-static void cal_client_class_init (CalClientClass *class);
-static void cal_client_init (CalClient *client);
-static void cal_client_destroy (GtkObject *object);
-
-static char *client_get_password_cb (WombatClient *w_client,
- const gchar *prompt,
- const gchar *key,
- gpointer user_data);
-static void client_forget_password_cb (WombatClient *w_client,
- const gchar *key,
- gpointer user_data);
-
-static guint cal_client_signals[LAST_SIGNAL];
-
-static GtkObjectClass *parent_class;
-
-
-
-/**
- * cal_client_get_type:
- *
- * Registers the #CalClient class if necessary, and returns the type ID assigned
- * to it.
- *
- * Return value: The type ID of the #CalClient class.
- **/
-GtkType
-cal_client_get_type (void)
-{
- static GtkType cal_client_type = 0;
-
- if (!cal_client_type) {
- static const GtkTypeInfo cal_client_info = {
- "CalClient",
- sizeof (CalClient),
- sizeof (CalClientClass),
- (GtkClassInitFunc) cal_client_class_init,
- (GtkObjectInitFunc) cal_client_init,
- NULL, /* reserved_1 */
- NULL, /* reserved_2 */
- (GtkClassInitFunc) NULL
- };
-
- cal_client_type = gtk_type_unique (GTK_TYPE_OBJECT, &cal_client_info);
- }
-
- return cal_client_type;
-}
-
-/* Class initialization function for the calendar client */
-static void
-cal_client_class_init (CalClientClass *class)
-{
- GtkObjectClass *object_class;
-
- object_class = (GtkObjectClass *) class;
-
- parent_class = gtk_type_class (GTK_TYPE_OBJECT);
-
- cal_client_signals[CAL_OPENED] =
- gtk_signal_new ("cal_opened",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (CalClientClass, cal_opened),
- gtk_marshal_NONE__ENUM,
- GTK_TYPE_NONE, 1,
- GTK_TYPE_ENUM);
- cal_client_signals[OBJ_UPDATED] =
- gtk_signal_new ("obj_updated",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (CalClientClass, obj_updated),
- gtk_marshal_NONE__STRING,
- GTK_TYPE_NONE, 1,
- GTK_TYPE_STRING);
- cal_client_signals[OBJ_REMOVED] =
- gtk_signal_new ("obj_removed",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (CalClientClass, obj_removed),
- gtk_marshal_NONE__STRING,
- GTK_TYPE_NONE, 1,
- GTK_TYPE_STRING);
- cal_client_signals[FORGET_PASSWORD] =
- gtk_signal_new ("forget_password",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (CalClientClass, forget_password),
- gtk_marshal_NONE__STRING,
- GTK_TYPE_NONE, 1,
- GTK_TYPE_STRING);
-
- gtk_object_class_add_signals (object_class, cal_client_signals, LAST_SIGNAL);
-
- object_class->destroy = cal_client_destroy;
-}
-
-/* Object initialization function for the calendar client */
-static void
-cal_client_init (CalClient *client)
-{
- CalClientPrivate *priv;
-
- priv = g_new0 (CalClientPrivate, 1);
- client->priv = priv;
-
- priv->load_state = CAL_CLIENT_LOAD_NOT_LOADED;
- priv->uri = NULL;
- priv->factory = CORBA_OBJECT_NIL;
- priv->timezones = g_hash_table_new (g_str_hash, g_str_equal);
-
- /* create the WombatClient */
- priv->w_client = wombat_client_new (
- (WombatClientGetPasswordFn) client_get_password_cb,
- (WombatClientForgetPasswordFn) client_forget_password_cb,
- (gpointer) client);
-}
-
-/* Gets rid of the WombatClient that a client knows about */
-static void
-destroy_wombat_client (CalClient *client)
-{
- CalClientPrivate *priv;
-
- priv = client->priv;
-
- if (!priv->w_client)
- return;
-
- bonobo_object_unref (BONOBO_OBJECT (priv->w_client));
- priv->w_client = NULL;
-}
-
-/* Gets rid of the factory that a client knows about */
-static void
-destroy_factory (CalClient *client)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- int result;
-
- priv = client->priv;
-
- CORBA_exception_init (&ev);
- result = CORBA_Object_is_nil (priv->factory, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("destroy_factory(): could not see if the factory was nil");
- priv->factory = CORBA_OBJECT_NIL;
- CORBA_exception_free (&ev);
- return;
- }
- CORBA_exception_free (&ev);
-
- if (result)
- return;
-
- CORBA_exception_init (&ev);
- CORBA_Object_release (priv->factory, &ev);
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("destroy_factory(): could not release the factory");
-
- CORBA_exception_free (&ev);
- priv->factory = CORBA_OBJECT_NIL;
-}
-
-/* Gets rid of the listener that a client knows about */
-static void
-destroy_listener (CalClient *client)
-{
- CalClientPrivate *priv;
-
- priv = client->priv;
-
- if (!priv->listener)
- return;
-
- bonobo_object_unref (BONOBO_OBJECT (priv->listener));
- priv->listener = NULL;
-}
-
-/* Gets rid of the calendar client interface object that a client knows about */
-static void
-destroy_cal (CalClient *client)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- int result;
-
- priv = client->priv;
-
- CORBA_exception_init (&ev);
- result = CORBA_Object_is_nil (priv->cal, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("destroy_cal(): could not see if the "
- "calendar client interface object was nil");
- priv->cal = CORBA_OBJECT_NIL;
- CORBA_exception_free (&ev);
- return;
- }
- CORBA_exception_free (&ev);
-
- if (result)
- return;
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Cal_unref (priv->cal, &ev);
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("destroy_cal(): could not unref the calendar client interface object");
-
- CORBA_exception_free (&ev);
-
- CORBA_exception_init (&ev);
- CORBA_Object_release (priv->cal, &ev);
- if (ev._major != CORBA_NO_EXCEPTION)
- g_message ("destroy_cal(): could not release the calendar client interface object");
-
- CORBA_exception_free (&ev);
- priv->cal = CORBA_OBJECT_NIL;
-
-}
-
-static void
-free_timezone (gpointer key, gpointer value, gpointer data)
-{
- /* Note that the key comes from within the icaltimezone value, so we
- don't free that. */
- icaltimezone_free (value, TRUE);
-}
-
-/* Destroy handler for the calendar client */
-static void
-cal_client_destroy (GtkObject *object)
-{
- CalClient *client;
- CalClientPrivate *priv;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (IS_CAL_CLIENT (object));
-
- client = CAL_CLIENT (object);
- priv = client->priv;
-
- destroy_wombat_client (client);
- destroy_factory (client);
- destroy_listener (client);
- destroy_cal (client);
-
- priv->load_state = CAL_CLIENT_LOAD_NOT_LOADED;
-
- if (priv->uri) {
- g_free (priv->uri);
- priv->uri = NULL;
- }
-
- g_hash_table_foreach (priv->timezones, free_timezone, NULL);
- g_hash_table_destroy (priv->timezones);
- priv->timezones = NULL;
-
- g_free (priv);
- client->priv = NULL;
-
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-
-
-/* Signal handlers for the listener's signals */
-
-/* Handle the cal_opened notification from the listener */
-static void
-cal_opened_cb (CalListener *listener,
- GNOME_Evolution_Calendar_Listener_OpenStatus status,
- GNOME_Evolution_Calendar_Cal cal,
- gpointer data)
-{
- CalClient *client;
- CalClientPrivate *priv;
- CORBA_Environment ev;
- GNOME_Evolution_Calendar_Cal cal_copy;
- CalClientOpenStatus client_status;
-
- client = CAL_CLIENT (data);
- priv = client->priv;
-
- g_assert (priv->load_state == CAL_CLIENT_LOAD_LOADING);
- g_assert (priv->uri != NULL);
-
- client_status = CAL_CLIENT_OPEN_ERROR;
-
- switch (status) {
- case GNOME_Evolution_Calendar_Listener_SUCCESS:
- CORBA_exception_init (&ev);
- cal_copy = CORBA_Object_duplicate (cal, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_opened_cb(): could not duplicate the "
- "calendar client interface");
- CORBA_exception_free (&ev);
- goto error;
- }
- CORBA_exception_free (&ev);
-
- priv->cal = cal_copy;
- priv->load_state = CAL_CLIENT_LOAD_LOADED;
-
- client_status = CAL_CLIENT_OPEN_SUCCESS;
- goto out;
-
- case GNOME_Evolution_Calendar_Listener_ERROR:
- client_status = CAL_CLIENT_OPEN_ERROR;
- goto error;
-
- case GNOME_Evolution_Calendar_Listener_NOT_FOUND:
- client_status = CAL_CLIENT_OPEN_NOT_FOUND;
- goto error;
-
- case GNOME_Evolution_Calendar_Listener_METHOD_NOT_SUPPORTED:
- client_status = CAL_CLIENT_OPEN_METHOD_NOT_SUPPORTED;
- goto error;
-
- default:
- g_assert_not_reached ();
- }
-
- error:
-
- bonobo_object_unref (BONOBO_OBJECT (priv->listener));
- priv->listener = NULL;
-
- /* We free the priv->uri and set the priv->load_state until after the
- * "cal_opened" signal has been emitted so that handlers will be able to
- * access this information.
- */
-
- out:
-
- /* We are *not* inside a signal handler (this is just a simple callback
- * called from the listener), so there is not a temporary reference to
- * the client object. We ref() so that we can safely emit our own
- * signal and clean up.
- */
-
- gtk_object_ref (GTK_OBJECT (client));
-
- gtk_signal_emit (GTK_OBJECT (client), cal_client_signals[CAL_OPENED],
- client_status);
-
- if (client_status != CAL_CLIENT_OPEN_SUCCESS) {
- priv->load_state = CAL_CLIENT_LOAD_NOT_LOADED;
- g_free (priv->uri);
- priv->uri = NULL;
- }
-
- g_assert (priv->load_state != CAL_CLIENT_LOAD_LOADING);
-
- gtk_object_unref (GTK_OBJECT (client));
-}
-
-/* Handle the obj_updated signal from the listener */
-static void
-obj_updated_cb (CalListener *listener, const GNOME_Evolution_Calendar_CalObjUID uid, gpointer data)
-{
- CalClient *client;
-
- client = CAL_CLIENT (data);
- gtk_signal_emit (GTK_OBJECT (client), cal_client_signals[OBJ_UPDATED], uid);
-}
-
-/* Handle the obj_removed signal from the listener */
-static void
-obj_removed_cb (CalListener *listener, const GNOME_Evolution_Calendar_CalObjUID uid, gpointer data)
-{
- CalClient *client;
-
- client = CAL_CLIENT (data);
- gtk_signal_emit (GTK_OBJECT (client), cal_client_signals[OBJ_REMOVED], uid);
-}
-
-/* Handle the get_password signal from the Wombatclient */
-static gchar *
-client_get_password_cb (WombatClient *w_client,
- const gchar *prompt,
- const gchar *key,
- gpointer user_data)
-{
- CalClient *client;
-
- client = CAL_CLIENT (user_data);
- g_return_val_if_fail (IS_CAL_CLIENT (client), NULL);
-
- if (client->priv->auth_func)
- return client->priv->auth_func (client, prompt, key, client->priv->auth_user_data);
-
- return NULL;
-}
-
-/* Handle the forget_password signal from the WombatClient */
-static void
-client_forget_password_cb (WombatClient *w_client,
- const gchar *key,
- gpointer user_data)
-{
- CalClient *client;
-
- client = CAL_CLIENT (user_data);
- g_return_if_fail (IS_CAL_CLIENT (client));
-
- gtk_signal_emit (GTK_OBJECT (client),
- cal_client_signals [FORGET_PASSWORD],
- key);
-}
-
-
-
-/**
- * cal_client_construct:
- * @client: A calendar client.
- *
- * Constructs a calendar client object by contacting the calendar factory of the
- * calendar server.
- *
- * Return value: The same object as the @client argument, or NULL if the
- * calendar factory could not be contacted.
- **/
-CalClient *
-cal_client_construct (CalClient *client)
-{
- CalClientPrivate *priv;
- GNOME_Evolution_Calendar_CalFactory factory, factory_copy;
- CORBA_Environment ev;
-
- CORBA_exception_init (&ev);
- g_return_val_if_fail (client != NULL, NULL);
- g_return_val_if_fail (IS_CAL_CLIENT (client), NULL);
-
- priv = client->priv;
-
- CORBA_exception_init (&ev);
- factory = (GNOME_Evolution_Calendar_CalFactory) oaf_activate_from_id (
- "OAFIID:GNOME_Evolution_Wombat_CalendarFactory",
- 0, NULL, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_construct(): Could not activate the calendar factory");
- CORBA_exception_free (&ev);
- return NULL;
- }
-
- CORBA_exception_init (&ev);
- factory_copy = CORBA_Object_duplicate (factory, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_construct(): could not duplicate the calendar factory");
- CORBA_exception_free (&ev);
- return NULL;
- }
- CORBA_exception_free (&ev);
-
- priv->factory = factory_copy;
- return client;
-}
-
-/**
- * cal_client_new:
- *
- * Creates a new calendar client. It should be initialized by calling
- * cal_client_open_calendar().
- *
- * Return value: A newly-created calendar client, or NULL if the client could
- * not be constructed because it could not contact the calendar server.
- **/
-CalClient *
-cal_client_new (void)
-{
- CalClient *client;
-
- client = gtk_type_new (CAL_CLIENT_TYPE);
-
- if (!cal_client_construct (client)) {
- g_message ("cal_client_new(): could not construct the calendar client");
- gtk_object_unref (GTK_OBJECT (client));
- return NULL;
- }
-
- return client;
-}
-
-/**
- * cal_client_set_auth_func
- * @client: A calendar client.
- * @func: The authentication function
- * @data: User data to be used when calling the authentication function
- *
- * Associates the given authentication function with a calendar client. This
- * function will be called any time the calendar server needs a password
- * from the client. So, calendar clients should provide such authentication
- * function, which, when called, should act accordingly (by showing a dialog
- * box, for example, to ask the user for the password).
- *
- * The authentication function must have the following form:
- * char * auth_func (CalClient *client,
- * const gchar *prompt,
- * const gchar *key,
- * gpointer user_data)
- */
-void
-cal_client_set_auth_func (CalClient *client, CalClientAuthFunc func, gpointer data)
-{
- g_return_if_fail (client != NULL);
- g_return_if_fail (IS_CAL_CLIENT (client));
-
- client->priv->auth_func = func;
- client->priv->auth_user_data = data;
-}
-
-/**
- * cal_client_open_calendar:
- * @client: A calendar client.
- * @str_uri: URI of calendar to open.
- * @only_if_exists: FALSE if the calendar should be opened even if there
- * was no storage for it, i.e. to create a new calendar or load an existing
- * one if it already exists. TRUE if it should only try to load calendars
- * that already exist.
- *
- * Makes a calendar client initiate a request to open a calendar. The calendar
- * client will emit the "cal_opened" signal when the response from the server is
- * received.
- *
- * Return value: TRUE on success, FALSE on failure to issue the open request.
- **/
-gboolean
-cal_client_open_calendar (CalClient *client, const char *str_uri, gboolean only_if_exists)
-{
- CalClientPrivate *priv;
- GNOME_Evolution_Calendar_Listener corba_listener;
- CORBA_Environment ev;
-
- g_return_val_if_fail (client != NULL, FALSE);
- g_return_val_if_fail (IS_CAL_CLIENT (client), FALSE);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_NOT_LOADED, FALSE);
- g_assert (priv->uri == NULL);
-
- g_return_val_if_fail (str_uri != NULL, FALSE);
-
- priv->listener = cal_listener_new (cal_opened_cb,
- obj_updated_cb,
- obj_removed_cb,
- client);
- if (!priv->listener) {
- g_message ("cal_client_open_calendar(): could not create the listener");
- return FALSE;
- }
-
- bonobo_object_add_interface (BONOBO_OBJECT (priv->listener),
- BONOBO_OBJECT (priv->w_client));
-
- corba_listener = (GNOME_Evolution_Calendar_Listener) bonobo_object_corba_objref (
- BONOBO_OBJECT (priv->listener));
-
- CORBA_exception_init (&ev);
-
- priv->load_state = CAL_CLIENT_LOAD_LOADING;
- priv->uri = g_strdup (str_uri);
-
- GNOME_Evolution_Calendar_CalFactory_open (priv->factory, str_uri, only_if_exists,
- corba_listener, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- CORBA_exception_free (&ev);
-
- g_message ("cal_client_open_calendar(): open request failed");
- bonobo_object_unref (BONOBO_OBJECT (priv->listener));
- priv->listener = NULL;
- priv->load_state = CAL_CLIENT_LOAD_NOT_LOADED;
- g_free (priv->uri);
- priv->uri = NULL;
-
- return FALSE;
- }
- CORBA_exception_free (&ev);
-
- return TRUE;
-}
-
-/**
- * cal_client_get_load_state:
- * @client: A calendar client.
- *
- * Queries the state of loading of a calendar client.
- *
- * Return value: A #CalClientLoadState value indicating whether the client has
- * not been loaded with cal_client_open_calendar() yet, whether it is being
- * loaded, or whether it is already loaded.
- **/
-CalClientLoadState
-cal_client_get_load_state (CalClient *client)
-{
- CalClientPrivate *priv;
-
- g_return_val_if_fail (client != NULL, FALSE);
- g_return_val_if_fail (IS_CAL_CLIENT (client), FALSE);
-
- priv = client->priv;
- return priv->load_state;
-}
-
-/**
- * cal_client_get_uri:
- * @client: A calendar client.
- *
- * Queries the URI that is open in a calendar client.
- *
- * Return value: The URI of the calendar that is already loaded or is being
- * loaded, or NULL if the client has not started a load request yet.
- **/
-const char *
-cal_client_get_uri (CalClient *client)
-{
- CalClientPrivate *priv;
-
- g_return_val_if_fail (client != NULL, NULL);
- g_return_val_if_fail (IS_CAL_CLIENT (client), NULL);
-
- priv = client->priv;
- return priv->uri;
-}
-
-/* Converts our representation of a calendar component type into its CORBA representation */
-static GNOME_Evolution_Calendar_CalObjType
-corba_obj_type (CalObjType type)
-{
- return (((type & CALOBJ_TYPE_EVENT) ? GNOME_Evolution_Calendar_TYPE_EVENT : 0)
- | ((type & CALOBJ_TYPE_TODO) ? GNOME_Evolution_Calendar_TYPE_TODO : 0)
- | ((type & CALOBJ_TYPE_JOURNAL) ? GNOME_Evolution_Calendar_TYPE_JOURNAL : 0));
-}
-
-/**
- * cal_client_get_n_objects:
- * @client: A calendar client.
- * @type: Type of objects that will be counted.
- *
- * Counts the number of calendar components of the specified @type. This can be
- * used to count how many events, to-dos, or journals there are, for example.
- *
- * Return value: Number of components.
- **/
-int
-cal_client_get_n_objects (CalClient *client, CalObjType type)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- int n;
- int t;
-
- g_return_val_if_fail (client != NULL, -1);
- g_return_val_if_fail (IS_CAL_CLIENT (client), -1);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, -1);
-
- t = corba_obj_type (type);
-
- CORBA_exception_init (&ev);
- n = GNOME_Evolution_Calendar_Cal_countObjects (priv->cal, t, &ev);
-
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_get_n_objects(): could not get the number of objects");
- CORBA_exception_free (&ev);
- return -1;
- }
-
- CORBA_exception_free (&ev);
- return n;
-}
-
-/**
- * cal_client_get_object:
- * @client: A calendar client.
- * @uid: Unique identifier for a calendar component.
- * @comp: Return value for the calendar component object.
- *
- * Queries a calendar for a calendar component object based on its unique
- * identifier.
- *
- * Return value: Result code based on the status of the operation.
- **/
-CalClientGetStatus
-cal_client_get_object (CalClient *client, const char *uid, CalComponent **comp)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- GNOME_Evolution_Calendar_CalObj comp_str;
- CalClientGetStatus retval;
- icalcomponent *icalcomp;
-
- g_return_val_if_fail (client != NULL, CAL_CLIENT_GET_NOT_FOUND);
- g_return_val_if_fail (IS_CAL_CLIENT (client), CAL_CLIENT_GET_NOT_FOUND);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, CAL_CLIENT_GET_NOT_FOUND);
-
- g_return_val_if_fail (uid != NULL, CAL_CLIENT_GET_NOT_FOUND);
- g_return_val_if_fail (comp != NULL, CAL_CLIENT_GET_NOT_FOUND);
-
- retval = CAL_CLIENT_GET_NOT_FOUND;
- *comp = NULL;
-
- CORBA_exception_init (&ev);
- comp_str = GNOME_Evolution_Calendar_Cal_getObject (priv->cal, (char *) uid, &ev);
-
- if (ev._major == CORBA_USER_EXCEPTION
- && strcmp (CORBA_exception_id (&ev), ex_GNOME_Evolution_Calendar_Cal_NotFound) == 0)
- goto out;
- else if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_get_object(): could not get the object");
- goto out;
- }
-
- icalcomp = icalparser_parse_string (comp_str);
- CORBA_free (comp_str);
-
- if (!icalcomp) {
- retval = CAL_CLIENT_GET_SYNTAX_ERROR;
- goto out;
- }
-
- *comp = cal_component_new ();
- if (!cal_component_set_icalcomponent (*comp, icalcomp)) {
- icalcomponent_free (icalcomp);
- gtk_object_unref (GTK_OBJECT (*comp));
- *comp = NULL;
-
- retval = CAL_CLIENT_GET_SYNTAX_ERROR;
- goto out;
- }
-
- retval = CAL_CLIENT_GET_SUCCESS;
-
- out:
-
- CORBA_exception_free (&ev);
- return retval;
-}
-
-CalClientGetStatus
-cal_client_get_timezone (CalClient *client,
- const char *tzid,
- icaltimezone **zone)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- GNOME_Evolution_Calendar_CalObj comp_str;
- CalClientGetStatus retval;
- icalcomponent *icalcomp;
- icaltimezone *tmp_zone;
-
- g_print ("In cal_client_get_timezone: %s\n", tzid);
-
- g_return_val_if_fail (client != NULL, CAL_CLIENT_GET_NOT_FOUND);
- g_return_val_if_fail (IS_CAL_CLIENT (client), CAL_CLIENT_GET_NOT_FOUND);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED,
- CAL_CLIENT_GET_NOT_FOUND);
-
- g_return_val_if_fail (zone != NULL, CAL_CLIENT_GET_NOT_FOUND);
-
- /* If tzid is NULL or "" we return NULL, since it is a 'local time'. */
- if (!tzid || !tzid[0]) {
- *zone = NULL;
- g_print (" zone is local time (NULL)\n");
- return CAL_CLIENT_GET_SUCCESS;
- }
-
- /* If it is UTC, we return the special UTC timezone. */
- if (!strcmp (tzid, "UTC")) {
- *zone = icaltimezone_get_utc_timezone ();
- g_print (" zone is UTC\n");
- return CAL_CLIENT_GET_SUCCESS;
- }
-
- /* See if we already have it in the cache. */
- tmp_zone = g_hash_table_lookup (priv->timezones, tzid);
- if (tmp_zone) {
- *zone = tmp_zone;
- g_print (" zone is in cache\n");
- return CAL_CLIENT_GET_SUCCESS;
- }
-
- retval = CAL_CLIENT_GET_NOT_FOUND;
- *zone = NULL;
-
- g_print (" getting zone from server\n");
-
- /* We don't already have it, so we try to get it from the server. */
- CORBA_exception_init (&ev);
- comp_str = GNOME_Evolution_Calendar_Cal_getTimezoneObject (priv->cal, (char *) tzid, &ev);
-
- if (ev._major == CORBA_USER_EXCEPTION
- && strcmp (CORBA_exception_id (&ev), ex_GNOME_Evolution_Calendar_Cal_NotFound) == 0)
- goto out;
- else if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_get_timezone(): could not get the object");
- goto out;
- }
-
- g_print (" parsing zone:\n%s\n", comp_str);
- icalcomp = icalparser_parse_string (comp_str);
- CORBA_free (comp_str);
-
- if (!icalcomp) {
- retval = CAL_CLIENT_GET_SYNTAX_ERROR;
- goto out;
- }
-
- g_print (" creating icaltimezone\n");
- tmp_zone = icaltimezone_new ();
- if (!tmp_zone) {
- /* FIXME: Needs better error code - out of memory. Or just
- abort like GTK+ does? */
- retval = CAL_CLIENT_GET_NOT_FOUND;
- goto out;
- }
-
- if (!icaltimezone_set_component (tmp_zone, icalcomp)) {
- retval = CAL_CLIENT_GET_SYNTAX_ERROR;
- goto out;
- }
-
- /* Now add it to the cache, to avoid the server call in future. */
- g_hash_table_insert (priv->timezones, icaltimezone_get_tzid (tmp_zone),
- tmp_zone);
-
- g_print (" returning icaltimezone\n");
- *zone = tmp_zone;
- retval = CAL_CLIENT_GET_SUCCESS;
-
- out:
-
- CORBA_exception_free (&ev);
- return retval;
-}
-
-/* Resolves TZIDs for the recurrence generator. */
-icaltimezone*
-cal_client_resolve_tzid_cb (const char *tzid, gpointer data)
-{
- CalClient *client;
- icaltimezone *zone = NULL;
- CalClientGetStatus status;
-
- g_return_val_if_fail (data != NULL, NULL);
- g_return_val_if_fail (IS_CAL_CLIENT (data), NULL);
-
- client = CAL_CLIENT (data);
-
- /* FIXME: Handle errors. */
- status = cal_client_get_timezone (client, tzid, &zone);
-
- return zone;
-}
-
-
-/* Builds an UID list out of a CORBA UID sequence */
-static GList *
-build_uid_list (GNOME_Evolution_Calendar_CalObjUIDSeq *seq)
-{
- GList *uids;
- int i;
-
- uids = NULL;
-
- for (i = 0; i < seq->_length; i++)
- uids = g_list_prepend (uids, g_strdup (seq->_buffer[i]));
-
- return uids;
-}
-
-/**
- * cal_client_get_uids:
- * @client: A calendar client.
- * @type: Bitmask with types of objects to return.
- *
- * Queries a calendar for a list of unique identifiers corresponding to calendar
- * objects whose type matches one of the types specified in the @type flags.
- *
- * Return value: A list of strings that are the sought UIDs. This should be
- * freed using the cal_obj_uid_list_free() function.
- **/
-GList *
-cal_client_get_uids (CalClient *client, CalObjType type)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- GNOME_Evolution_Calendar_CalObjUIDSeq *seq;
- int t;
- GList *uids;
-
- g_return_val_if_fail (client != NULL, NULL);
- g_return_val_if_fail (IS_CAL_CLIENT (client), NULL);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, NULL);
-
- t = corba_obj_type (type);
-
- CORBA_exception_init (&ev);
-
- seq = GNOME_Evolution_Calendar_Cal_getUIDs (priv->cal, t, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_get_uids(): could not get the list of UIDs");
- CORBA_exception_free (&ev);
- return NULL;
- }
-
- CORBA_exception_free (&ev);
-
- uids = build_uid_list (seq);
- CORBA_free (seq);
-
- return uids;
-}
-
-/* Builds a GList of CalClientChange structures from the CORBA sequence */
-static GList *
-build_change_list (GNOME_Evolution_Calendar_CalObjChangeSeq *seq)
-{
- GList *list = NULL;
- icalcomponent *icalcomp;
- int i;
-
- /* Create the list in reverse order */
- for (i = 0; i < seq->_length; i++) {
- GNOME_Evolution_Calendar_CalObjChange *corba_coc;
- CalClientChange *ccc;
-
- corba_coc = &seq->_buffer[i];
- ccc = g_new (CalClientChange, 1);
-
- icalcomp = icalparser_parse_string (corba_coc->calobj);
- if (!icalcomp)
- continue;
-
- ccc->comp = cal_component_new ();
- if (!cal_component_set_icalcomponent (ccc->comp, icalcomp)) {
- icalcomponent_free (icalcomp);
- gtk_object_unref (GTK_OBJECT (ccc->comp));
- continue;
- }
- ccc->type = corba_coc->type;
-
- list = g_list_prepend (list, ccc);
- }
-
- list = g_list_reverse (list);
-
- return list;
-}
-
-GList *
-cal_client_get_changes (CalClient *client, CalObjType type, const char *change_id)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- GNOME_Evolution_Calendar_CalObjChangeSeq *seq;
- int t;
- GList *changes;
-
- g_return_val_if_fail (client != NULL, NULL);
- g_return_val_if_fail (IS_CAL_CLIENT (client), NULL);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, NULL);
-
- t = corba_obj_type (type);
- CORBA_exception_init (&ev);
-
- seq = GNOME_Evolution_Calendar_Cal_getChanges (priv->cal, t, change_id, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_get_changes(): could not get the list of changes");
- CORBA_exception_free (&ev);
- return NULL;
- }
-
- CORBA_exception_free (&ev);
-
- changes = build_change_list (seq);
- CORBA_free (seq);
-
- return changes;
-}
-
-/* FIXME: Not used? */
-#if 0
-/* Builds a GList of CalObjInstance structures from the CORBA sequence */
-static GList *
-build_object_instance_list (GNOME_Evolution_Calendar_CalObjInstanceSeq *seq)
-{
- GList *list;
- int i;
-
- /* Create the list in reverse order */
-
- list = NULL;
- for (i = 0; i < seq->_length; i++) {
- GNOME_Evolution_Calendar_CalObjInstance *corba_icoi;
- CalObjInstance *icoi;
-
- corba_icoi = &seq->_buffer[i];
- icoi = g_new (CalObjInstance, 1);
-
- icoi->uid = g_strdup (corba_icoi->uid);
- icoi->start = corba_icoi->start;
- icoi->end = corba_icoi->end;
-
- list = g_list_prepend (list, icoi);
- }
-
- list = g_list_reverse (list);
- return list;
-}
-#endif
-
-/**
- * cal_client_get_objects_in_range:
- * @client: A calendar client.
- * @type: Bitmask with types of objects to return.
- * @start: Start time for query.
- * @end: End time for query.
- *
- * Queries a calendar for the objects that occur or recur in the specified range
- * of time.
- *
- * Return value: A list of UID strings. This should be freed using the
- * cal_obj_uid_list_free() function.
- **/
-GList *
-cal_client_get_objects_in_range (CalClient *client, CalObjType type, time_t start, time_t end)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- GNOME_Evolution_Calendar_CalObjUIDSeq *seq;
- GList *uids;
- int t;
-
- g_return_val_if_fail (client != NULL, NULL);
- g_return_val_if_fail (IS_CAL_CLIENT (client), NULL);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, NULL);
-
- g_return_val_if_fail (start != -1 && end != -1, NULL);
- g_return_val_if_fail (start <= end, NULL);
-
- CORBA_exception_init (&ev);
-
- t = corba_obj_type (type);
-
- seq = GNOME_Evolution_Calendar_Cal_getObjectsInRange (priv->cal, t, start, end, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_get_objects_in_range(): could not get the objects");
- CORBA_exception_free (&ev);
- return NULL;
- }
- CORBA_exception_free (&ev);
-
- uids = build_uid_list (seq);
- CORBA_free (seq);
-
- return uids;
-}
-
-/**
- * cal_client_get_free_busy
- * @client:: A calendar client.
- * @start: Start time for query.
- * @end: End time for query.
- *
- * Gets free/busy information from the calendar server
- */
-CalClientGetStatus
-cal_client_get_free_busy (CalClient *client, time_t start, time_t end, CalComponent **comp)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- CORBA_char *calobj;
- icalcomponent *icalcomp;
-
- g_return_val_if_fail (client != NULL, CAL_CLIENT_GET_NOT_FOUND);
- g_return_val_if_fail (IS_CAL_CLIENT (client), CAL_CLIENT_GET_NOT_FOUND);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, CAL_CLIENT_GET_NOT_FOUND);
-
- g_return_val_if_fail (start != -1 && end != -1, CAL_CLIENT_GET_NOT_FOUND);
- g_return_val_if_fail (start <= end, CAL_CLIENT_GET_NOT_FOUND);
- g_return_val_if_fail (comp != NULL, CAL_CLIENT_GET_NOT_FOUND);
-
- *comp = NULL;
-
- CORBA_exception_init (&ev);
-
- calobj = GNOME_Evolution_Calendar_Cal_getFreeBusy (priv->cal, start, end, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_get_free_busy(): could not get the objects");
- CORBA_exception_free (&ev);
- return CAL_CLIENT_GET_NOT_FOUND;
- }
- CORBA_exception_free (&ev);
-
- icalcomp = icalparser_parse_string (calobj);
- CORBA_free (calobj);
- if (!icalcomp) {
- return CAL_CLIENT_GET_SYNTAX_ERROR;
- }
-
- *comp = cal_component_new ();
- if (!cal_component_set_icalcomponent (*comp, icalcomp)) {
- icalcomponent_free (icalcomp);
- gtk_object_unref (GTK_OBJECT (*comp));
- *comp = NULL;
- return CAL_CLIENT_GET_SYNTAX_ERROR;
- }
-
- return CAL_CLIENT_GET_SUCCESS;
-}
-
-/* Callback used when an object is updated and we must update the copy we have */
-static void
-generate_instances_obj_updated_cb (CalClient *client, const char *uid, gpointer data)
-{
- GHashTable *uid_comp_hash;
- CalComponent *comp;
- CalClientGetStatus status;
- const char *comp_uid;
-
- uid_comp_hash = data;
-
- comp = g_hash_table_lookup (uid_comp_hash, uid);
- if (!comp)
- /* OK, so we don't care about new objects that may indeed be in
- * the requested time range. We only care about the ones that
- * were returned by the first query to
- * cal_client_get_objects_in_range().
- */
- return;
-
- g_hash_table_remove (uid_comp_hash, uid);
- gtk_object_unref (GTK_OBJECT (comp));
-
- status = cal_client_get_object (client, uid, &comp);
-
- switch (status) {
- case CAL_CLIENT_GET_SUCCESS:
- /* The hash key comes from the component's internal data */
- cal_component_get_uid (comp, &comp_uid);
- g_hash_table_insert (uid_comp_hash, (char *) comp_uid, comp);
- break;
-
- case CAL_CLIENT_GET_NOT_FOUND:
- /* No longer in the server, too bad */
- break;
-
- case CAL_CLIENT_GET_SYNTAX_ERROR:
- g_message ("obj_updated_cb(): Syntax error when getting "
- "object `%s'; ignoring...", uid);
- break;
-
- }
-}
-
-/* Callback used when an object is removed and we must delete the copy we have */
-static void
-generate_instances_obj_removed_cb (CalClient *client, const char *uid, gpointer data)
-{
- GHashTable *uid_comp_hash;
- CalComponent *comp;
-
- uid_comp_hash = data;
-
- comp = g_hash_table_lookup (uid_comp_hash, uid);
- if (!comp)
- return;
-
- g_hash_table_remove (uid_comp_hash, uid);
- gtk_object_unref (GTK_OBJECT (comp));
-}
-
-/* Adds a component to the list; called from g_hash_table_foreach() */
-static void
-add_component (gpointer key, gpointer value, gpointer data)
-{
- CalComponent *comp;
- GList **list;
-
- comp = CAL_COMPONENT (value);
- list = data;
-
- *list = g_list_prepend (*list, comp);
-}
-
-/* Gets a list of components that recur within the specified range of time. It
- * ensures that the resulting list of CalComponent objects contains only objects
- * that are actually in the server at the time the initial
- * cal_client_get_objects_in_range() query ends.
- */
-static GList *
-get_objects_atomically (CalClient *client, CalObjType type, time_t start, time_t end)
-{
- GList *uids;
- GHashTable *uid_comp_hash;
- GList *objects;
- guint obj_updated_id;
- guint obj_removed_id;
- GList *l;
-
- uids = cal_client_get_objects_in_range (client, type, start, end);
-
- uid_comp_hash = g_hash_table_new (g_str_hash, g_str_equal);
-
- /* While we are getting the actual object data, keep track of changes */
-
- obj_updated_id = gtk_signal_connect (GTK_OBJECT (client), "obj_updated",
- GTK_SIGNAL_FUNC (generate_instances_obj_updated_cb),
- uid_comp_hash);
-
- obj_removed_id = gtk_signal_connect (GTK_OBJECT (client), "obj_removed",
- GTK_SIGNAL_FUNC (generate_instances_obj_removed_cb),
- uid_comp_hash);
-
- /* Get the objects */
-
- for (l = uids; l; l = l->next) {
- CalComponent *comp;
- CalClientGetStatus status;
- char *uid;
- const char *comp_uid;
-
- uid = l->data;
-
- status = cal_client_get_object (client, uid, &comp);
-
- switch (status) {
- case CAL_CLIENT_GET_SUCCESS:
- /* The hash key comes from the component's internal data
- * instead of the duped UID from the list of UIDS.
- */
- cal_component_get_uid (comp, &comp_uid);
- g_hash_table_insert (uid_comp_hash, (char *) comp_uid, comp);
- break;
-
- case CAL_CLIENT_GET_NOT_FOUND:
- /* Object disappeared from the server, so don't log it */
- break;
-
- case CAL_CLIENT_GET_SYNTAX_ERROR:
- g_message ("get_objects_atomically(): Syntax error when getting "
- "object `%s'; ignoring...", uid);
- break;
-
- default:
- g_assert_not_reached ();
- }
- }
-
- cal_obj_uid_list_free (uids);
-
- /* Now our state is consistent with the server, so disconnect from the
- * notification signals and generate the final list of components.
- */
-
- gtk_signal_disconnect (GTK_OBJECT (client), obj_updated_id);
- gtk_signal_disconnect (GTK_OBJECT (client), obj_removed_id);
-
- objects = NULL;
- g_hash_table_foreach (uid_comp_hash, add_component, &objects);
- g_hash_table_destroy (uid_comp_hash);
-
- return objects;
-}
-
-struct comp_instance {
- CalComponent *comp;
- time_t start;
- time_t end;
-};
-
-/* Called from cal_recur_generate_instances(); adds an instance to the list */
-static gboolean
-add_instance (CalComponent *comp, time_t start, time_t end, gpointer data)
-{
- GList **list;
- struct comp_instance *ci;
-
- list = data;
-
- ci = g_new (struct comp_instance, 1);
-
- ci->comp = comp;
- gtk_object_ref (GTK_OBJECT (ci->comp));
-
- ci->start = start;
- ci->end = end;
-
- *list = g_list_prepend (*list, ci);
-
- return TRUE;
-}
-
-/* Used from g_list_sort(); compares two struct comp_instance structures */
-static gint
-compare_comp_instance (gconstpointer a, gconstpointer b)
-{
- const struct comp_instance *cia, *cib;
- time_t diff;
-
- cia = a;
- cib = b;
-
- diff = cia->start - cib->start;
- return (diff < 0) ? -1 : (diff > 0) ? 1 : 0;
-}
-
-/**
- * cal_client_generate_instances:
- * @client: A calendar client.
- * @type: Bitmask with types of objects to return.
- * @start: Start time for query.
- * @end: End time for query.
- * @cb: Callback for each generated instance.
- * @cb_data: Closure data for the callback.
- *
- * Does a combination of cal_client_get_objects_in_range() and
- * cal_recur_generate_instances(). It fetches the list of objects in an atomic
- * way so that the generated instances are actually in the server at the time
- * the initial cal_client_get_objects_in_range() query ends.
- *
- * The callback function should do a gtk_object_ref() of the calendar component
- * it gets passed if it intends to keep it around.
- **/
-void
-cal_client_generate_instances (CalClient *client, CalObjType type,
- time_t start, time_t end,
- CalRecurInstanceFn cb, gpointer cb_data)
-{
- CalClientPrivate *priv;
- GList *objects;
- GList *instances;
- GList *l;
-
- g_return_if_fail (client != NULL);
- g_return_if_fail (IS_CAL_CLIENT (client));
-
- priv = client->priv;
- g_return_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED);
-
- g_return_if_fail (start != -1 && end != -1);
- g_return_if_fail (start <= end);
- g_return_if_fail (cb != NULL);
-
- /* Generate objects */
-
- objects = get_objects_atomically (client, type, start, end);
- instances = NULL;
-
- for (l = objects; l; l = l->next) {
- CalComponent *comp;
-
- comp = l->data;
- cal_recur_generate_instances (comp, start, end, add_instance, &instances,
- cal_client_resolve_tzid_cb, client);
- gtk_object_unref (GTK_OBJECT (comp));
- }
-
- g_list_free (objects);
-
- /* Generate instances and spew them out */
-
- instances = g_list_sort (instances, compare_comp_instance);
-
- for (l = instances; l; l = l->next) {
- struct comp_instance *ci;
- gboolean result;
-
- ci = l->data;
-
- result = (* cb) (ci->comp, ci->start, ci->end, cb_data);
-
- if (!result)
- break;
- }
-
- /* Clean up */
-
- for (l = instances; l; l = l->next) {
- struct comp_instance *ci;
-
- ci = l->data;
- gtk_object_unref (GTK_OBJECT (ci->comp));
- g_free (ci);
- }
-
- g_list_free (instances);
-}
-
-/* Builds a list of CalAlarmInstance structures */
-static GSList *
-build_alarm_instance_list (CalComponent *comp, GNOME_Evolution_Calendar_CalAlarmInstanceSeq *seq)
-{
- GSList *alarms;
- int i;
-
- alarms = NULL;
-
- for (i = 0; i < seq->_length; i++) {
- GNOME_Evolution_Calendar_CalAlarmInstance *corba_instance;
- CalComponentAlarm *alarm;
- const char *auid;
- CalAlarmInstance *instance;
-
- corba_instance = seq->_buffer + i;
-
- /* Since we want the in-commponent auid, we look for the alarm
- * in the component and fetch its "real" auid.
- */
-
- alarm = cal_component_get_alarm (comp, corba_instance->auid);
- if (!alarm)
- continue;
-
- auid = cal_component_alarm_get_uid (alarm);
- cal_component_alarm_free (alarm);
-
- instance = g_new (CalAlarmInstance, 1);
- instance->auid = auid;
- instance->trigger = corba_instance->trigger;
- instance->occur_start = corba_instance->occur_start;
- instance->occur_end = corba_instance->occur_end;
-
- alarms = g_slist_prepend (alarms, instance);
- }
-
- return g_slist_reverse (alarms);
-}
-
-/* Builds a list of CalComponentAlarms structures */
-static GSList *
-build_component_alarms_list (GNOME_Evolution_Calendar_CalComponentAlarmsSeq *seq)
-{
- GSList *comp_alarms;
- int i;
-
- comp_alarms = NULL;
-
- for (i = 0; i < seq->_length; i++) {
- GNOME_Evolution_Calendar_CalComponentAlarms *corba_alarms;
- CalComponent *comp;
- CalComponentAlarms *alarms;
- icalcomponent *icalcomp;
-
- corba_alarms = seq->_buffer + i;
-
- icalcomp = icalparser_parse_string (corba_alarms->calobj);
- if (!icalcomp)
- continue;
-
- comp = cal_component_new ();
- if (!cal_component_set_icalcomponent (comp, icalcomp)) {
- icalcomponent_free (icalcomp);
- gtk_object_unref (GTK_OBJECT (comp));
- continue;
- }
-
- alarms = g_new (CalComponentAlarms, 1);
- alarms->comp = comp;
- alarms->alarms = build_alarm_instance_list (comp, &corba_alarms->alarms);
-
- comp_alarms = g_slist_prepend (comp_alarms, alarms);
- }
-
- return comp_alarms;
-}
-
-/**
- * cal_client_get_alarms_in_range:
- * @client: A calendar client.
- * @start: Start time for query.
- * @end: End time for query.
- *
- * Queries a calendar for the alarms that trigger in the specified range of
- * time.
- *
- * Return value: A list of #CalComponentAlarms structures. This should be freed
- * using the cal_client_free_alarms() function, or by freeing each element
- * separately with cal_component_alarms_free() and then freeing the list with
- * g_slist_free().
- **/
-GSList *
-cal_client_get_alarms_in_range (CalClient *client, time_t start, time_t end)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- GNOME_Evolution_Calendar_CalComponentAlarmsSeq *seq;
- GSList *alarms;
-
- g_return_val_if_fail (client != NULL, NULL);
- g_return_val_if_fail (IS_CAL_CLIENT (client), NULL);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, NULL);
-
- g_return_val_if_fail (start != -1 && end != -1, NULL);
- g_return_val_if_fail (start <= end, NULL);
-
- CORBA_exception_init (&ev);
-
- seq = GNOME_Evolution_Calendar_Cal_getAlarmsInRange (priv->cal, start, end, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_get_alarms_in_range(): could not get the alarm range");
- CORBA_exception_free (&ev);
- return NULL;
- }
- CORBA_exception_free (&ev);
-
- alarms = build_component_alarms_list (seq);
- CORBA_free (seq);
-
- return alarms;
-}
-
-/**
- * cal_client_free_alarms:
- * @comp_alarms: A list of #CalComponentAlarms structures.
- *
- * Frees a list of #CalComponentAlarms structures as returned by
- * cal_client_get_alarms_in_range().
- **/
-void
-cal_client_free_alarms (GSList *comp_alarms)
-{
- GSList *l;
-
- for (l = comp_alarms; l; l = l->next) {
- CalComponentAlarms *alarms;
-
- alarms = l->data;
- g_assert (alarms != NULL);
-
- cal_component_alarms_free (alarms);
- }
-
- g_slist_free (comp_alarms);
-}
-
-/**
- * cal_client_get_alarms_for_object:
- * @client: A calendar client.
- * @uid: Unique identifier for a calendar component.
- * @start: Start time for query.
- * @end: End time for query.
- * @alarms: Return value for the component's alarm instances. Will return NULL
- * if no instances occur within the specified time range. This should be freed
- * using the cal_component_alarms_free() function.
- *
- * Queries a calendar for the alarms of a particular object that trigger in the
- * specified range of time.
- *
- * Return value: TRUE on success, FALSE if the object was not found.
- **/
-gboolean
-cal_client_get_alarms_for_object (CalClient *client, const char *uid,
- time_t start, time_t end,
- CalComponentAlarms **alarms)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- GNOME_Evolution_Calendar_CalComponentAlarms *corba_alarms;
- gboolean retval;
- icalcomponent *icalcomp;
- CalComponent *comp;
-
- g_return_val_if_fail (client != NULL, FALSE);
- g_return_val_if_fail (IS_CAL_CLIENT (client), FALSE);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, FALSE);
-
- g_return_val_if_fail (uid != NULL, FALSE);
- g_return_val_if_fail (start != -1 && end != -1, FALSE);
- g_return_val_if_fail (start <= end, FALSE);
- g_return_val_if_fail (alarms != NULL, FALSE);
-
- *alarms = NULL;
- retval = FALSE;
-
- CORBA_exception_init (&ev);
-
- corba_alarms = GNOME_Evolution_Calendar_Cal_getAlarmsForObject (priv->cal, (char *) uid,
- start, end, &ev);
- if (ev._major == CORBA_USER_EXCEPTION
- && strcmp (CORBA_exception_id (&ev), ex_GNOME_Evolution_Calendar_Cal_NotFound) == 0)
- goto out;
- else if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_get_alarms_for_object(): could not get the alarm range");
- goto out;
- }
-
- icalcomp = icalparser_parse_string (corba_alarms->calobj);
- if (!icalcomp)
- goto out;
-
- comp = cal_component_new ();
- if (!cal_component_set_icalcomponent (comp, icalcomp)) {
- icalcomponent_free (icalcomp);
- gtk_object_unref (GTK_OBJECT (comp));
- goto out;
- }
-
- retval = TRUE;
-
- *alarms = g_new (CalComponentAlarms, 1);
- (*alarms)->comp = comp;
- (*alarms)->alarms = build_alarm_instance_list (comp, &corba_alarms->alarms);
- CORBA_free (corba_alarms);
-
- out:
- CORBA_exception_free (&ev);
- return retval;
-}
-
-typedef struct _ForeachTZIDCallbackData ForeachTZIDCallbackData;
-struct _ForeachTZIDCallbackData {
- CalClient *client;
- GHashTable *timezone_hash;
-};
-
-/* This adds the VTIMEZONE given by the TZID parameter to the GHashTable in
- data. */
-static void
-foreach_tzid_callback (icalparameter *param, void *cbdata)
-{
- ForeachTZIDCallbackData *data = cbdata;
- CalClientPrivate *priv;
- const char *tzid;
- icaltimezone *zone;
- icalcomponent *vtimezone_comp;
- char *vtimezone_as_string;
-
- priv = data->client->priv;
-
- /* Get the TZID string from the parameter. */
- tzid = icalparameter_get_tzid (param);
- if (!tzid)
- return;
-
- /* Check if it is in our cache. If it is, it must already be on the
- server so return. */
- if (g_hash_table_lookup (priv->timezones, tzid))
- return;
-
- /* Check if we've already added it to the GHashTable. */
- if (g_hash_table_lookup (data->timezone_hash, tzid))
- return;
-
- /* Check if it is a builtin timezone. If it isn't, return. */
- zone = icaltimezone_get_builtin_timezone_from_tzid (tzid);
- if (!zone)
- return;
-
- /* Convert it to a string and add it to the hash. */
- vtimezone_comp = icaltimezone_get_component (zone);
- if (!vtimezone_comp)
- return;
-
- vtimezone_as_string = icalcomponent_as_ical_string (vtimezone_comp);
-
- g_hash_table_insert (data->timezone_hash, (char*) tzid,
- g_strdup (vtimezone_as_string));
-}
-
-/* This appends the value string to the GString given in data. */
-static void
-append_timezone_string (gpointer key, gpointer value, gpointer data)
-{
- GString *vcal_string = data;
-
- g_string_append (vcal_string, value);
- g_free (value);
-}
-
-
-/* This converts the VEVENT/VTODO to a string. It checks if we need to send
- any builtin timezones to the server along with the object.
- To do that we check every TZID in the component to see if it is a builtin
- timezone. If it is, we see if it it in our cache. If it is in our cache,
- then we know the server already has it and we don't need to send it.
- If it isn't in our cache, then we need to send it to the server.
- If we need to send any timezones to the server, then we have to create a
- complete VCALENDAR object, otherwise we can just send a single VEVENT/VTODO
- as before. */
-static char*
-cal_client_get_component_as_string (CalClient *client,
- CalComponent *comp)
-{
- GHashTable *timezone_hash;
- GString *vcal_string;
- int initial_vcal_string_len;
- ForeachTZIDCallbackData cbdata;
- char *obj_string;
-
- CalClientPrivate *priv;
-
- priv = client->priv;
-
- timezone_hash = g_hash_table_new (g_str_hash, g_str_equal);
-
- /* Add any builtin timezones needed to the hash. We use a hash since
- we only want to add each timezone once at most. */
- cbdata.client = client;
- cbdata.timezone_hash = timezone_hash;
- icalcomponent_foreach_tzid (cal_component_get_icalcomponent (comp),
- foreach_tzid_callback, &cbdata);
-
- /* Create the start of a VCALENDAR, to add the VTIMEZONES to,
- and remember its length so we know if any VTIMEZONEs get added. */
- vcal_string = g_string_new (NULL);
- g_string_append (vcal_string,
- "BEGIN:VCALENDAR\n"
- "PRODID:-//Ximian//NONSGML Evolution Calendar//EN\n"
- "VERSION:2.0\n");
- initial_vcal_string_len = vcal_string->len;
-
- /* Now concatenate all the timezone strings. This also frees the
- timezone strings as it goes. */
- g_hash_table_foreach (timezone_hash, append_timezone_string,
- vcal_string);
-
- /* Get the string for the VEVENT/VTODO. */
- obj_string = cal_component_get_as_string (comp);
-
- /* If there were any timezones to send, create a complete VCALENDAR,
- else just send the VEVENT/VTODO string. */
- if (vcal_string->len == initial_vcal_string_len) {
- g_string_free (vcal_string, TRUE);
- } else {
- g_string_append (vcal_string, obj_string);
- g_string_append (vcal_string, "END:VCALENDAR\n");
- g_free (obj_string);
- obj_string = vcal_string->str;
- g_string_free (vcal_string, FALSE);
- }
-
- g_hash_table_destroy (timezone_hash);
-
- return obj_string;
-}
-
-/**
- * cal_client_update_object:
- * @client: A calendar client.
- * @comp: A calendar component object.
- *
- * Asks a calendar to update a component. Any existing component with the
- * specified component's UID will be replaced. The client program should not
- * assume that the object is actually in the server's storage until it has
- * received the "obj_updated" notification signal.
- *
- * Return value: TRUE on success, FALSE on specifying an invalid component.
- **/
-gboolean
-cal_client_update_object (CalClient *client, CalComponent *comp)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- gboolean retval;
- char *obj_string;
-
- g_return_val_if_fail (client != NULL, FALSE);
- g_return_val_if_fail (IS_CAL_CLIENT (client), FALSE);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, FALSE);
-
- g_return_val_if_fail (comp != NULL, FALSE);
-
- retval = FALSE;
-
- cal_component_commit_sequence (comp);
-
- obj_string = cal_client_get_component_as_string (client, comp);
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Cal_updateObjects (priv->cal, obj_string, &ev);
- g_free (obj_string);
-
- if (ev._major == CORBA_USER_EXCEPTION &&
- strcmp (CORBA_exception_id (&ev), ex_GNOME_Evolution_Calendar_Cal_InvalidObject) == 0)
- goto out;
- else if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_update_object(): could not update the object");
- goto out;
- }
-
- retval = TRUE;
-
- out:
- CORBA_exception_free (&ev);
- return retval;
-}
-
-/**
- * cal_client_update_objects:
- * @client: A calendar client.
- * @icalcomp: A toplevel VCALENDAR libical component.
- *
- * Asks a calendar to add or update one or more components, possibly including
- * VTIMEZONE data. Any existing components with the same UIDs will be
- * replaced. The VTIMEZONE data will be compared to existing VTIMEZONEs in
- * the calendar, and the VTIMEZONEs may possibly be renamed, as well as all
- * references to them throughout the VCALENDAR.
- *
- * The client program should not assume that the objects are actually in the
- * server's storage until it has received the "obj_updated" notification
- * signal.
- *
- * Return value: TRUE on success, FALSE on specifying an invalid component.
- **/
-gboolean
-cal_client_update_objects (CalClient *client, icalcomponent *icalcomp)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- gboolean retval;
- char *obj_string;
-
- g_return_val_if_fail (client != NULL, FALSE);
- g_return_val_if_fail (IS_CAL_CLIENT (client), FALSE);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED,
- FALSE);
-
- g_return_val_if_fail (icalcomp != NULL, FALSE);
-
- retval = FALSE;
-
- /* Libical owns this memory, using one of its temporary buffers. */
- obj_string = icalcomponent_as_ical_string (icalcomp);
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Cal_updateObjects (priv->cal, obj_string, &ev);
-
- if (ev._major == CORBA_USER_EXCEPTION &&
- strcmp (CORBA_exception_id (&ev),
- ex_GNOME_Evolution_Calendar_Cal_InvalidObject) == 0)
- goto out;
- else if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_update_objects(): could not update the objects");
- goto out;
- }
-
- retval = TRUE;
-
- out:
- CORBA_exception_free (&ev);
- return retval;
-
-}
-
-
-/**
- * cal_client_remove_object:
- * @client: A calendar client.
- * @uid: Unique identifier of the calendar component to remove.
- *
- * Asks a calendar to remove a component. If the server is able to remove the
- * component, all clients will be notified and they will emit the "obj_removed"
- * signal.
- *
- * Return value: TRUE on success, FALSE on specifying a UID for a component that
- * is not in the server. Returning FALSE is normal; the object may have
- * disappeared from the server before the client has had a chance to receive the
- * corresponding notification.
- **/
-gboolean
-cal_client_remove_object (CalClient *client, const char *uid)
-{
- CalClientPrivate *priv;
- CORBA_Environment ev;
- gboolean retval;
-
- g_return_val_if_fail (client != NULL, FALSE);
- g_return_val_if_fail (IS_CAL_CLIENT (client), FALSE);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, FALSE);
-
- g_return_val_if_fail (uid != NULL, FALSE);
-
- retval = FALSE;
-
- CORBA_exception_init (&ev);
- GNOME_Evolution_Calendar_Cal_removeObject (priv->cal, (char *) uid, &ev);
-
- if (ev._major == CORBA_USER_EXCEPTION &&
- strcmp (CORBA_exception_id (&ev), ex_GNOME_Evolution_Calendar_Cal_NotFound) == 0)
- goto out;
- else if (ev._major != CORBA_NO_EXCEPTION) {
- g_message ("cal_client_remove_object(): could not remove the object");
- goto out;
- }
-
- retval = TRUE;
-
- out:
- CORBA_exception_free (&ev);
- return retval;
-}
-
-/**
- * cal_client_get_query:
- * @client: A calendar client.
- * @sexp: S-expression representing the query.
- *
- * Creates a live query object from a loaded calendar.
- *
- * Return value: A query object that will emit notification signals as calendar
- * components are added and removed from the query in the server.
- **/
-CalQuery *
-cal_client_get_query (CalClient *client, const char *sexp)
-{
- CalClientPrivate *priv;
-
- g_return_val_if_fail (client != NULL, NULL);
- g_return_val_if_fail (IS_CAL_CLIENT (client), NULL);
-
- priv = client->priv;
- g_return_val_if_fail (priv->load_state == CAL_CLIENT_LOAD_LOADED, FALSE);
-
- g_return_val_if_fail (sexp != NULL, NULL);
-
- return cal_query_new (priv->cal, sexp);
-}