path: root/calendar/pcs/cal-backend-sync.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Author:
 *   Chris Toshok (toshok@ximian.com)
 *
 * Copyright (C) 2003, Ximian, Inc.
 */

#ifdef CONFIG_H
#include <config.h>
#endif

#include "cal-backend-sync.h"

struct _CalBackendSyncPrivate {
  int mumble;
};

static GObjectClass *parent_class;

G_LOCK_DEFINE_STATIC (cal_sync_mutex);
#define SYNC_LOCK()     G_LOCK (cal_sync_mutex)
#define SYNC_UNLOCK()       G_UNLOCK (cal_sync_mutex)

CalBackendSyncStatus
cal_backend_sync_is_read_only  (CalBackendSync *backend, Cal *cal, gboolean *read_only)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);
    g_return_val_if_fail (read_only, GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->is_read_only_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->is_read_only_sync) (backend, cal, read_only);
}

CalBackendSyncStatus
cal_backend_sync_get_cal_address  (CalBackendSync *backend, Cal *cal, char **address)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);
    g_return_val_if_fail (address, GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_cal_address_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_cal_address_sync) (backend, cal, address);
}

CalBackendSyncStatus
cal_backend_sync_get_alarm_email_address  (CalBackendSync *backend, Cal *cal, char **address)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);
    g_return_val_if_fail (address, GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_alarm_email_address_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_alarm_email_address_sync) (backend, cal, address);
}

CalBackendSyncStatus
cal_backend_sync_get_ldap_attribute  (CalBackendSync *backend, Cal *cal, char **attribute)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);
    g_return_val_if_fail (attribute, GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_ldap_attribute_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_ldap_attribute_sync) (backend, cal, attribute);
}

CalBackendSyncStatus
cal_backend_sync_get_static_capabilities  (CalBackendSync *backend, Cal *cal, char **capabilities)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);
    g_return_val_if_fail (capabilities, GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_static_capabilities_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_static_capabilities_sync) (backend, cal, capabilities);
}

CalBackendSyncStatus
cal_backend_sync_open  (CalBackendSync *backend, Cal *cal, gboolean only_if_exists)
{
    CalBackendSyncStatus status;
    
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->open_sync);

    SYNC_LOCK ();
    
    status = (* CAL_BACKEND_SYNC_GET_CLASS (backend)->open_sync) (backend, cal, only_if_exists);

    SYNC_UNLOCK ();

    return status;
}

CalBackendSyncStatus
cal_backend_sync_remove  (CalBackendSync *backend, Cal *cal)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->remove_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->remove_sync) (backend, cal);
}

CalBackendSyncStatus
cal_backend_sync_create_object (CalBackendSync *backend, Cal *cal, const char *calobj, char **uid)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->create_object_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->create_object_sync) (backend, cal, calobj, uid);
}

CalBackendSyncStatus
cal_backend_sync_modify_object (CalBackendSync *backend, Cal *cal, const char *calobj, 
                CalObjModType mod, char **old_object)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->modify_object_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->modify_object_sync) (backend, cal, 
                                         calobj, mod, old_object);
}

CalBackendSyncStatus
cal_backend_sync_remove_object (CalBackendSync *backend, Cal *cal, const char *uid, const char *rid,
                CalObjModType mod, char **object)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->remove_object_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->remove_object_sync) (backend, cal, uid, rid, mod, object);
}

CalBackendSyncStatus
cal_backend_sync_discard_alarm (CalBackendSync *backend, Cal *cal, const char *uid, const char *auid)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->discard_alarm_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->discard_alarm_sync) (backend, cal, uid, auid);
}

CalBackendSyncStatus
cal_backend_sync_receive_objects (CalBackendSync *backend, Cal *cal, const char *calobj,
                  GList **created, GList **modified, GList **removed)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->receive_objects_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->receive_objects_sync) (backend, cal, calobj, 
                                           created, modified, removed);
}

CalBackendSyncStatus
cal_backend_sync_send_objects (CalBackendSync *backend, Cal *cal, const char *calobj)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->send_objects_sync);
    
    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->send_objects_sync) (backend, cal, calobj);
}

CalBackendSyncStatus
cal_backend_sync_get_default_object (CalBackendSync *backend, Cal *cal, char **object)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);
    g_return_val_if_fail (object, GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_default_object_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_default_object_sync) (backend, cal, object);
}

CalBackendSyncStatus
cal_backend_sync_get_object (CalBackendSync *backend, Cal *cal, const char *uid, const char *rid, char **object)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);
    g_return_val_if_fail (object, GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_object_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_object_sync) (backend, cal, uid, rid, object);
}

CalBackendSyncStatus
cal_backend_sync_get_object_list (CalBackendSync *backend, Cal *cal, const char *sexp, GList **objects)
{
    g_return_val_if_fail (backend && CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);
    g_return_val_if_fail (objects, GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_object_list_sync);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_object_list_sync) (backend, cal, sexp, objects);
}

CalBackendSyncStatus
cal_backend_sync_get_timezone (CalBackendSync *backend, Cal *cal, const char *tzid, char **object)
{
    g_return_val_if_fail (CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_timezone_sync != NULL);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_timezone_sync) (backend, cal, tzid, object);
}

CalBackendSyncStatus
cal_backend_sync_add_timezone (CalBackendSync *backend, Cal *cal, const char *tzobj)
{
    g_return_val_if_fail (CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->add_timezone_sync != NULL);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->add_timezone_sync) (backend, cal, tzobj);
}

CalBackendSyncStatus
cal_backend_sync_set_default_timezone (CalBackendSync *backend, Cal *cal, const char *tzid)
{
    g_return_val_if_fail (CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->set_default_timezone_sync != NULL);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->set_default_timezone_sync) (backend, cal, tzid);
}


CalBackendSyncStatus
cal_backend_sync_get_changes (CalBackendSync *backend, Cal *cal, const char *change_id,
                  GList **adds, GList **modifies, GList **deletes)
{
    g_return_val_if_fail (CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_changes_sync != NULL);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_changes_sync) (backend, cal, change_id, 
                                       adds, modifies, deletes);
}

CalBackendSyncStatus
cal_backend_sync_get_free_busy (CalBackendSync *backend, Cal *cal, GList *users, 
                time_t start, time_t end, GList **freebusy)
{
    g_return_val_if_fail (CAL_IS_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);

    g_assert (CAL_BACKEND_SYNC_GET_CLASS (backend)->get_freebusy_sync != NULL);

    return (* CAL_BACKEND_SYNC_GET_CLASS (backend)->get_freebusy_sync) (backend, cal, users, 
                                        start, end, freebusy);
}


static void
_cal_backend_is_read_only (CalBackend *backend, Cal *cal)
{
    CalBackendSyncStatus status;
    gboolean read_only = TRUE;

    status = cal_backend_sync_is_read_only (CAL_BACKEND_SYNC (backend), cal, &read_only);

    cal_notify_read_only (cal, status, read_only);
}

static void
_cal_backend_get_cal_address (CalBackend *backend, Cal *cal)
{
    CalBackendSyncStatus status;
    char *address = NULL;

    status = cal_backend_sync_get_cal_address (CAL_BACKEND_SYNC (backend), cal, &address);

    cal_notify_cal_address (cal, status, address);

    g_free (address);
}

static void
_cal_backend_get_alarm_email_address (CalBackend *backend, Cal *cal)
{
    CalBackendSyncStatus status;
    char *address = NULL;

    status = cal_backend_sync_get_cal_address (CAL_BACKEND_SYNC (backend), cal, &address);

    cal_notify_alarm_email_address (cal, status, address);

    g_free (address);
}

static void
_cal_backend_get_ldap_attribute (CalBackend *backend, Cal *cal)
{
    CalBackendSyncStatus status;
    char *attribute = NULL;

    status = cal_backend_sync_get_cal_address (CAL_BACKEND_SYNC (backend), cal, &attribute);

    cal_notify_ldap_attribute (cal, status, attribute);

    g_free (attribute);
}

static void
_cal_backend_get_static_capabilities (CalBackend *backend, Cal *cal)
{
    CalBackendSyncStatus status;
    char *capabilities = NULL;

    status = cal_backend_sync_get_cal_address (CAL_BACKEND_SYNC (backend), cal, &capabilities);

    cal_notify_static_capabilities (cal, status, capabilities);

    g_free (capabilities);
}

static void
_cal_backend_open (CalBackend *backend, Cal *cal, gboolean only_if_exists)
{
    CalBackendSyncStatus status;

    status = cal_backend_sync_open (CAL_BACKEND_SYNC (backend), cal, only_if_exists);

    cal_notify_open (cal, status);
}

static void
_cal_backend_remove (CalBackend *backend, Cal *cal)
{
    CalBackendSyncStatus status;

    status = cal_backend_sync_remove (CAL_BACKEND_SYNC (backend), cal);

    cal_notify_remove (cal, status);
}

static void
_cal_backend_create_object (CalBackend *backend, Cal *cal, const char *calobj)
{
    CalBackendSyncStatus status;
    char *uid = NULL;
    
    status = cal_backend_sync_create_object (CAL_BACKEND_SYNC (backend), cal, calobj, &uid);

    cal_notify_object_created (cal, status, uid, calobj);

    if (uid)
        g_free (uid);
}

static void
_cal_backend_modify_object (CalBackend *backend, Cal *cal, const char *calobj, CalObjModType mod)
{
    CalBackendSyncStatus status;
    char *old_object = NULL;
    
    status = cal_backend_sync_modify_object (CAL_BACKEND_SYNC (backend), cal, 
                         calobj, mod, &old_object);

    cal_notify_object_modified (cal, status, old_object, calobj);
}

static void
_cal_backend_remove_object (CalBackend *backend, Cal *cal, const char *uid, const char *rid, CalObjModType mod)
{
    CalBackendSyncStatus status;
    char *object = NULL;
    
    status = cal_backend_sync_remove_object (CAL_BACKEND_SYNC (backend), cal, uid, rid, mod, &object);

    cal_notify_object_removed (cal, status, uid, object);
}

static void
_cal_backend_discard_alarm (CalBackend *backend, Cal *cal, const char *uid, const char *auid)
{
    CalBackendSyncStatus status;
    
    status = cal_backend_sync_discard_alarm (CAL_BACKEND_SYNC (backend), cal, uid, auid);

    cal_notify_alarm_discarded (cal, status);
}

static void
_cal_backend_receive_objects (CalBackend *backend, Cal *cal, const char *calobj)
{
    CalBackendSyncStatus status;
    GList *created = NULL, *modified = NULL, *removed = NULL;
    
    status = cal_backend_sync_receive_objects (CAL_BACKEND_SYNC (backend), cal, calobj, 
                           &created, &modified, &removed);

    cal_notify_objects_received (cal, status, created, modified, removed);
}

static void
_cal_backend_send_objects (CalBackend *backend, Cal *cal, const char *calobj)
{
    CalBackendSyncStatus status;

    status = cal_backend_sync_send_objects (CAL_BACKEND_SYNC (backend), cal, calobj);

    cal_notify_objects_sent (cal, status);
}

static void
_cal_backend_get_default_object (CalBackend *backend, Cal *cal)
{
    CalBackendSyncStatus status;
    char *object = NULL;

    status = cal_backend_sync_get_default_object (CAL_BACKEND_SYNC (backend), cal, &object);

    cal_notify_default_object (cal, status, object);

    g_free (object);
}

static void
_cal_backend_get_object (CalBackend *backend, Cal *cal, const char *uid, const char *rid)
{
    CalBackendSyncStatus status;
    char *object = NULL;

    status = cal_backend_sync_get_object (CAL_BACKEND_SYNC (backend), cal, uid, rid, &object);

    cal_notify_object (cal, status, object);
    
    g_free (object);
}

static void
_cal_backend_get_object_list (CalBackend *backend, Cal *cal, const char *sexp)
{
    CalBackendSyncStatus status;
    GList *objects = NULL, *l;

    status = cal_backend_sync_get_object_list (CAL_BACKEND_SYNC (backend), cal, sexp, &objects);

    cal_notify_object_list (cal, status, objects);

    for (l = objects; l; l = l->next)
        g_free (l->data);
    g_list_free (objects);
}

static void
_cal_backend_get_timezone (CalBackend *backend, Cal *cal, const char *tzid)
{
    CalBackendSyncStatus status;
    char *object = NULL;
    
    status = cal_backend_sync_get_timezone (CAL_BACKEND_SYNC (backend), cal, tzid, &object);

    cal_notify_timezone_requested (cal, status, object);
}

static void
_cal_backend_add_timezone (CalBackend *backend, Cal *cal, const char *tzobj)
{
    CalBackendSyncStatus status;

    status = cal_backend_sync_add_timezone (CAL_BACKEND_SYNC (backend), cal, tzobj);

    cal_notify_timezone_added (cal, status, tzobj);
}

static void
_cal_backend_set_default_timezone (CalBackend *backend, Cal *cal, const char *tzid)
{
    CalBackendSyncStatus status;

    status = cal_backend_sync_set_default_timezone (CAL_BACKEND_SYNC (backend), cal, tzid);

    cal_notify_default_timezone_set (cal, status);
}

static void
_cal_backend_get_changes (CalBackend *backend, Cal *cal, const char *change_id)
{
    CalBackendSyncStatus status;
    GList *adds = NULL, *modifies = NULL, *deletes = NULL, *l;
    
    status = cal_backend_sync_get_changes (CAL_BACKEND_SYNC (backend), cal, change_id, 
                           &adds, &modifies, &deletes);

    cal_notify_changes (cal, status, adds, modifies, deletes);

    for (l = adds; l; l = l->next)
        g_free (l->data);
    g_list_free (adds);

    for (l = modifies; l; l = l->next)
        g_free (l->data);
    g_list_free (modifies);

    for (l = deletes; l; l = l->next)
        g_free (l->data);
    g_list_free (deletes);
}

static void
_cal_backend_get_free_busy (CalBackend *backend, Cal *cal, GList *users, time_t start, time_t end)
{
    CalBackendSyncStatus status;
    GList *freebusy = NULL, *l;
    
    status = cal_backend_sync_get_free_busy (CAL_BACKEND_SYNC (backend), cal, users, start, end, &freebusy);

    cal_notify_free_busy (cal, status, freebusy);

    for (l = freebusy; l; l = l->next)
        g_free (l->data);
    g_list_free (freebusy);
}

static void
cal_backend_sync_init (CalBackendSync *backend)
{
    CalBackendSyncPrivate *priv;

    priv          = g_new0 (CalBackendSyncPrivate, 1);

    backend->priv = priv;
}

static void
cal_backend_sync_dispose (GObject *object)
{
    CalBackendSync *backend;

    backend = CAL_BACKEND_SYNC (object);

    if (backend->priv) {
        g_free (backend->priv);

        backend->priv = NULL;
    }

    G_OBJECT_CLASS (parent_class)->dispose (object);
}

static void
cal_backend_sync_class_init (CalBackendSyncClass *klass)
{
    GObjectClass *object_class;
    CalBackendClass *backend_class = CAL_BACKEND_CLASS (klass);

    parent_class = g_type_class_peek_parent (klass);

    object_class = (GObjectClass *) klass;

    backend_class->is_read_only = _cal_backend_is_read_only;
    backend_class->get_cal_address = _cal_backend_get_cal_address;
    backend_class->get_alarm_email_address = _cal_backend_get_alarm_email_address;
    backend_class->get_ldap_attribute = _cal_backend_get_ldap_attribute;
    backend_class->get_static_capabilities = _cal_backend_get_static_capabilities;
    backend_class->open = _cal_backend_open;
    backend_class->remove = _cal_backend_remove;
    backend_class->create_object = _cal_backend_create_object;
    backend_class->modify_object = _cal_backend_modify_object;
    backend_class->remove_object = _cal_backend_remove_object;
    backend_class->discard_alarm = _cal_backend_discard_alarm;
    backend_class->receive_objects = _cal_backend_receive_objects;
    backend_class->send_objects = _cal_backend_send_objects;
    backend_class->get_default_object = _cal_backend_get_default_object;
    backend_class->get_object = _cal_backend_get_object;
    backend_class->get_object_list = _cal_backend_get_object_list;
    backend_class->get_timezone = _cal_backend_get_timezone;
    backend_class->add_timezone = _cal_backend_add_timezone;
    backend_class->set_default_timezone = _cal_backend_set_default_timezone;
    backend_class->get_changes = _cal_backend_get_changes;
    backend_class->get_free_busy = _cal_backend_get_free_busy;

    object_class->dispose = cal_backend_sync_dispose;
}

/**
 * cal_backend_get_type:
 */
GType
cal_backend_sync_get_type (void)
{
    static GType type = 0;

    if (! type) {
        GTypeInfo info = {
            sizeof (CalBackendSyncClass),
            NULL, /* base_class_init */
            NULL, /* base_class_finalize */
            (GClassInitFunc)  cal_backend_sync_class_init,
            NULL, /* class_finalize */
            NULL, /* class_data */
            sizeof (CalBackendSync),
            0,    /* n_preallocs */
            (GInstanceInitFunc) cal_backend_sync_init
        };

        type = g_type_register_static (CAL_BACKEND_TYPE, "CalBackendSync", &info, 0);
    }

    return type;
}