diff options
Diffstat (limited to 'calendar/cal-client/cal-client.c')
| -rw-r--r-- | calendar/cal-client/cal-client.c | 782 |
1 files changed, 0 insertions, 782 deletions
diff --git a/calendar/cal-client/cal-client.c b/calendar/cal-client/cal-client.c deleted file mode 100644 index 168ec31d72..0000000000 --- a/calendar/cal-client/cal-client.c +++ /dev/null @@ -1,782 +0,0 @@ -/* Evolution calendar client - * - * Copyright (C) 2000 Helix Code, Inc. - * - * Author: Federico Mena-Quintero <federico@helixcode.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. - */ - -#include <config.h> -#include <gtk/gtksignal.h> -#include <libgnorba/gnorba.h> -#include "cal-client.h" -#include "cal-listener.h" - - - -/* Loading state for the calendar client */ -typedef enum { - LOAD_STATE_NOT_LOADED, - LOAD_STATE_LOADING, - LOAD_STATE_LOADED -} LoadState; - -/* Private part of the CalClient structure */ -typedef struct { - /* Load state to avoid multiple loads */ - LoadState load_state; - - /* The calendar factory we are contacting */ - Evolution_Calendar_CalFactory factory; - - /* Our calendar listener */ - CalListener *listener; - - /* The calendar client interface object we are contacting */ - Evolution_Calendar_Cal cal; -} CalClientPrivate; - - - -/* Signal IDs */ -enum { - CAL_LOADED, - OBJ_UPDATED, - OBJ_REMOVED, - 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 guint cal_client_signals[LAST_SIGNAL]; - -static GtkObjectClass *parent_class; - - - -/** - * cal_client_get_type: - * @void: - * - * 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_LOADED] = - gtk_signal_new ("cal_loaded", - GTK_RUN_FIRST, - object_class->type, - GTK_SIGNAL_OFFSET (CalClientClass, cal_loaded), - 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); - - 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->factory = CORBA_OBJECT_NIL; - priv->load_state = LOAD_STATE_NOT_LOADED; -} - -/* 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); - 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; - -} - -/* 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_factory (client); - destroy_listener (client); - destroy_cal (client); - - priv->load_state = LOAD_STATE_NOT_LOADED; - - g_free (priv); - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - - - -/* Signal handlers for the listener's signals */ - -/* Handle the cal_loaded signal from the listener */ -static void -cal_loaded_cb (CalListener *listener, - CalListenerLoadStatus status, - Evolution_Calendar_Cal cal, - gpointer data) -{ - CalClient *client; - CalClientPrivate *priv; - CORBA_Environment ev; - Evolution_Calendar_Cal cal_copy; - CalClientLoadStatus client_status; - - client = CAL_CLIENT (data); - priv = client->priv; - - g_assert (priv->load_state == LOAD_STATE_LOADING); - - client_status = CAL_CLIENT_LOAD_ERROR; - - switch (status) { - case CAL_LISTENER_LOAD_SUCCESS: - CORBA_exception_init (&ev); - cal_copy = CORBA_Object_duplicate (cal, &ev); - if (ev._major != CORBA_NO_EXCEPTION) { - g_message ("cal_loaded(): could not duplicate the calendar client interface"); - CORBA_exception_free (&ev); - goto error; - } - CORBA_exception_free (&ev); - - priv->cal = cal_copy; - priv->load_state = LOAD_STATE_LOADED; - - client_status = CAL_CLIENT_LOAD_SUCCESS; - goto out; - - case CAL_LISTENER_LOAD_ERROR: - client_status = CAL_CLIENT_LOAD_ERROR; - goto error; - - case CAL_LISTENER_LOAD_IN_USE: - client_status = CAL_CLIENT_LOAD_IN_USE; - goto error; - - default: - g_assert_not_reached (); - } - - error: - - bonobo_object_unref (BONOBO_OBJECT (priv->listener)); - priv->listener = NULL; - priv->load_state = LOAD_STATE_NOT_LOADED; - - out: - - g_assert (priv->load_state != LOAD_STATE_LOADING); - - gtk_signal_emit (GTK_OBJECT (client), cal_client_signals[CAL_LOADED], - client_status); -} - -/* Handle the obj_updated signal from the listener */ -static void -obj_updated_cb (CalListener *listener, const 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 Evolution_Calendar_CalObjUID uid, gpointer data) -{ - CalClient *client; - - client = CAL_CLIENT (data); - gtk_signal_emit (GTK_OBJECT (client), cal_client_signals[OBJ_REMOVED], uid); -} - - - -/** - * 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; - Evolution_Calendar_CalFactory factory, factory_copy; - CORBA_Environment ev; - int result; - - g_return_val_if_fail (client != NULL, NULL); - g_return_val_if_fail (IS_CAL_CLIENT (client), NULL); - - priv = client->priv; - - factory = (Evolution_Calendar_CalFactory) goad_server_activate_with_id ( - NULL, - "evolution:calendar-factory", - GOAD_ACTIVATE_REMOTE, - NULL); - - CORBA_exception_init (&ev); - result = CORBA_Object_is_nil (factory, &ev); - if (ev._major != CORBA_NO_EXCEPTION) { - g_message ("cal_client_construct(): could not see if the factory is NIL"); - CORBA_exception_free (&ev); - return NULL; - } - CORBA_exception_free (&ev); - - if (result) { - g_message ("cal_client_construct(): could not contact Tlacuache, " - "the personal calendar server"); - 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: - * @void: - * - * Creates a new calendar client. It should be initialized by calling - * cal_client_load_calendar() or cal_client_create_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; -} - -/* Issues a load or create request */ -static gboolean -load_or_create (CalClient *client, const char *str_uri, gboolean load) -{ - CalClientPrivate *priv; - 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 == LOAD_STATE_NOT_LOADED, FALSE); - - g_return_val_if_fail (str_uri != NULL, FALSE); - - priv->listener = cal_listener_new (); - if (!priv->listener) { - g_message ("load_or_create(): could not create the listener"); - return FALSE; - } - - gtk_signal_connect (GTK_OBJECT (priv->listener), "cal_loaded", - GTK_SIGNAL_FUNC (cal_loaded_cb), - client); - gtk_signal_connect (GTK_OBJECT (priv->listener), "obj_updated", - GTK_SIGNAL_FUNC (obj_updated_cb), - client); - gtk_signal_connect (GTK_OBJECT (priv->listener), "obj_removed", - GTK_SIGNAL_FUNC (obj_removed_cb), - client); - - corba_listener = (Evolution_Calendar_Listener) bonobo_object_corba_objref ( - BONOBO_OBJECT (priv->listener)); - - CORBA_exception_init (&ev); - - priv->load_state = LOAD_STATE_LOADING; - - if (load) - Evolution_Calendar_CalFactory_load (priv->factory, str_uri, corba_listener, &ev); - else - Evolution_Calendar_CalFactory_create (priv->factory, str_uri, corba_listener, &ev); - - if (ev._major != CORBA_NO_EXCEPTION) { - g_message ("load_or_create(): load/create request failed"); - bonobo_object_unref (BONOBO_OBJECT (priv->listener)); - priv->listener = NULL; - priv->load_state = LOAD_STATE_NOT_LOADED; - CORBA_exception_free (&ev); - return FALSE; - } - CORBA_exception_free (&ev); - - return TRUE; -} - -/** - * cal_client_load_calendar: - * @client: A calendar client. - * @str_uri: URI of calendar to load. - * - * Makes a calendar client initiate a request to load a calendar. The calendar - * client will emit the "cal_loaded" signal when the response from the server is - * received. - * - * Return value: TRUE on success, FALSE on failure to issue the load request. - **/ -gboolean -cal_client_load_calendar (CalClient *client, const char *str_uri) -{ - return load_or_create (client, str_uri, TRUE); -} - -/** - * cal_client_create_calendar: - * @client: A calendar client. - * @str_uri: URI that will contain the calendar data. - * - * Makes a calendar client initiate a request to create a new calendar. The - * calendar client will emit the "cal_loaded" signal when the response from the - * server is received. - * - * Return value: TRUE on success, FALSE on failure to issue the create request. - **/ -gboolean -cal_client_create_calendar (CalClient *client, const char *str_uri) -{ - return load_or_create (client, str_uri, FALSE); -} - -/** - * cal_client_get_object: - * @client: A calendar client. - * @uid: Unique identifier for a calendar object. - * - * Queries a calendar for a calendar object based on its unique identifier. - * - * Return value: The string representation of a complete calendar wrapping the - * sought object, or NULL if no object had the specified UID. A complete - * calendar is returned because you also need the timezone data. - **/ -char * -cal_client_get_object (CalClient *client, const char *uid) -{ - CalClientPrivate *priv; - CORBA_Environment ev; - Evolution_Calendar_CalObj calobj; - char *retval; - - 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 == LOAD_STATE_LOADED, NULL); - - g_return_val_if_fail (uid != NULL, NULL); - - retval = NULL; - - CORBA_exception_init (&ev); - calobj = Evolution_Calendar_Cal_get_object (priv->cal, uid, &ev); - - if (ev._major == CORBA_USER_EXCEPTION - && strcmp (CORBA_exception_id (&ev), ex_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; - } - - retval = g_strdup (calobj); - CORBA_free (calobj); - - out: - CORBA_exception_free (&ev); - return retval; -} - -/** - * 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. - **/ -GList * -cal_client_get_uids (CalClient *client, CalObjType type) -{ - CalClientPrivate *priv; - CORBA_Environment ev; - Evolution_Calendar_CalObjUIDSeq *seq; - int t; - GList *uids; - int i; - - 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 == LOAD_STATE_LOADED, NULL); - - t = (((type & CALOBJ_TYPE_EVENT) ? Evolution_Calendar_TYPE_EVENT : 0) - | ((type & CALOBJ_TYPE_TODO) ? Evolution_Calendar_TYPE_TODO : 0) - | ((type & CALOBJ_TYPE_JOURNAL) ? Evolution_Calendar_TYPE_JOURNAL : 0) - | ((type & CALOBJ_TYPE_OTHER) ? Evolution_Calendar_TYPE_OTHER : 0) - | ((type & CALOBJ_TYPE_ANY) ? Evolution_Calendar_TYPE_ANY : 0)); - - CORBA_exception_init (&ev); - - seq = Evolution_Calendar_Cal_get_uids (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; - } - - /* Create the list */ - - uids = NULL; - - for (i = 0; i < seq->_length; i++) - uids = g_list_prepend (uids, g_strdup (seq->_buffer[i])); - - CORBA_free (seq); - - return uids; -} - -/** - * cal_client_get_events_in_range: - * @client: A calendar client. - * @start: Start time for query. - * @end: End time for query. - * - * Queries a calendar for the events that occur or recur in the specified range - * of time. - * - * Return value: A list of #CalObjInstance structures. - **/ -GList * -cal_client_get_events_in_range (CalClient *client, time_t start, time_t end) -{ - CalClientPrivate *priv; - CORBA_Environment ev; - Evolution_Calendar_CalObjInstanceSeq *seq; - GList *elist; - int i; - - 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 == LOAD_STATE_LOADED, NULL); - - g_return_val_if_fail (start != -1 && end != -1, NULL); - g_return_val_if_fail (start <= end, NULL); - - priv = client->priv; - - CORBA_exception_init (&ev); - - seq = Evolution_Calendar_Cal_get_events_in_range (priv->cal, start, end, &ev); - if (ev._major != CORBA_NO_EXCEPTION) { - g_message ("cal_client_get_events_in_range(): could not get the event range"); - CORBA_exception_free (&ev); - return NULL; - } - CORBA_exception_free (&ev); - - /* Create the list in reverse order */ - - elist = NULL; - - for (i = 0; i < seq->_length; i++) { - 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; - - elist = g_list_prepend (elist, icoi); - } - - CORBA_free (seq); - elist = g_list_reverse (elist); - - return elist; -} - -/** - * cal_client_update_object: - * @client: A calendar client. - * @uid: Unique identifier of object to update. - * @calobj: String representation of the new calendar object. - * - * Asks a calendar to update an object based on its UID. Any existing object - * with the specified 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 object. - **/ -gboolean -cal_client_update_object (CalClient *client, const char *uid, const char *calobj) -{ - 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 == LOAD_STATE_LOADED, FALSE); - - g_return_val_if_fail (uid != NULL, FALSE); - g_return_val_if_fail (calobj != NULL, FALSE); - - retval = FALSE; - - CORBA_exception_init (&ev); - Evolution_Calendar_Cal_update_object (priv->cal, uid, calobj, &ev); - - if (ev._major == CORBA_USER_EXCEPTION && - strcmp (CORBA_exception_id (&ev), ex_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; -} - -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 == LOAD_STATE_LOADED, FALSE); - - g_return_val_if_fail (uid != NULL, FALSE); - - retval = FALSE; - - CORBA_exception_init (&ev); - Evolution_Calendar_Cal_remove_object (priv->cal, uid, &ev); - - if (ev._major == CORBA_USER_EXCEPTION && - strcmp (CORBA_exception_id (&ev), ex_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; -} |