path: root/addressbook/backend/pas/pas-book.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * pas-book.c
 *
 * Copyright 2000, Ximian, Inc.
 */

#include <config.h>
#include <bonobo/bonobo-main.h>
#include "e-util/e-list.h"
#include "pas-backend.h"
#include "pas-marshal.h"

static BonoboObjectClass *pas_book_parent_class;
POA_GNOME_Evolution_Addressbook_Book__vepv pas_book_vepv;

enum {
    REQUESTS_QUEUED,
    LAST_SIGNAL
};

static guint pas_book_signals [LAST_SIGNAL];

struct _PASBookPrivate {
    PASBackend             *backend;
    GNOME_Evolution_Addressbook_BookListener  listener;

    GList                  *request_queue;
    gint                    timeout_id;
    
    guint                   timeout_lock : 1;
};

static gboolean
pas_book_check_queue (PASBook *book)
{
    if (book->priv->timeout_lock)
        return TRUE;

    book->priv->timeout_lock = TRUE;

    if (book->priv->request_queue != NULL) {
        g_signal_emit (book, pas_book_signals [REQUESTS_QUEUED], 0);
    }

    if (book->priv->request_queue == NULL) {
        book->priv->timeout_id = 0;
        book->priv->timeout_lock = FALSE;
        bonobo_object_unref (BONOBO_OBJECT (book));
        return FALSE;
    }

    book->priv->timeout_lock = FALSE;

    return TRUE;
}

static void
pas_book_queue_request (PASBook *book, PASRequest *req)
{
    book->priv->request_queue =
        g_list_append (book->priv->request_queue, req);

    if (book->priv->timeout_id == 0) {
        bonobo_object_ref (BONOBO_OBJECT (book));
        book->priv->timeout_id = g_timeout_add (20, (GSourceFunc) pas_book_check_queue, book);
    }
}

static void
pas_book_queue_create_card (PASBook *book, const char *vcard)
{
    PASRequest *req;

    req        = g_new0 (PASRequest, 1);
    req->op    = CreateCard;
    req->create.vcard = g_strdup (vcard);

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_remove_cards (PASBook *book,
                 const GNOME_Evolution_Addressbook_CardIdList *ids)
{
    PASRequest *req;
    int i;
    
    req     = g_new0 (PASRequest, 1);
    req->op = RemoveCards;
    req->remove.ids = NULL;

    for (i = 0; i < ids->_length; i ++) {
        req->remove.ids = g_list_append (req->remove.ids, g_strdup (ids->_buffer[i]));
    }

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_modify_card (PASBook *book, const char *vcard)
{
    PASRequest *req;

    req        = g_new0 (PASRequest, 1);
    req->op    = ModifyCard;
    req->modify.vcard = g_strdup (vcard);

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_get_cursor (PASBook *book, const char *search)
{
    PASRequest *req;

    req         = g_new0 (PASRequest, 1);
    req->op     = GetCursor;
    req->get_cursor.search = g_strdup(search);

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_get_vcard (PASBook *book, const char *id)
{
    PASRequest *req;

    req     = g_new0 (PASRequest, 1);
    req->op = GetVCard;
    req->get_vcard.id = g_strdup(id);

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_authenticate_user (PASBook *book,
                  const char *user, const char *passwd, const char *auth_method)
{
    PASRequest *req;

    req         = g_new0 (PASRequest, 1);
    req->op     = AuthenticateUser;
    req->auth_user.user   = g_strdup(user);
    req->auth_user.passwd = g_strdup(passwd);
    req->auth_user.auth_method = g_strdup(auth_method);

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_get_supported_fields (PASBook *book)
{
    PASRequest *req;

    req     = g_new0 (PASRequest, 1);
    req->op = GetSupportedFields;

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_get_supported_auth_methods (PASBook *book)
{
    PASRequest *req;

    req     = g_new0 (PASRequest, 1);
    req->op = GetSupportedAuthMethods;

    pas_book_queue_request (book, req);
}


static void
pas_book_queue_get_book_view (PASBook *book, const GNOME_Evolution_Addressbook_BookViewListener listener, const char *search)
{
    PASRequest *req;
    CORBA_Environment ev;

    req           = g_new0 (PASRequest, 1);
    req->op       = GetBookView;
    req->get_book_view.search   = g_strdup(search);
    
    CORBA_exception_init (&ev);

    req->get_book_view.listener = bonobo_object_dup_ref(listener, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_queue_get_book_view: Exception "
               "duplicating BookViewListener!\n");
    }

    CORBA_exception_free (&ev);

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_get_completion_view (PASBook *book, const GNOME_Evolution_Addressbook_BookViewListener listener, const char *search)
{
    PASRequest *req;
    CORBA_Environment ev;

    req                       = g_new0 (PASRequest, 1);
    req->op                   = GetCompletionView;
    req->get_book_view.search = g_strdup(search);
    
    CORBA_exception_init (&ev);

    req->get_book_view.listener = bonobo_object_dup_ref(listener, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_queue_get_completion_view: Exception "
               "duplicating BookViewListener!\n");
    }

    CORBA_exception_free (&ev);

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_get_changes (PASBook *book, const GNOME_Evolution_Addressbook_BookViewListener listener, const char *change_id)
{
    PASRequest *req;
    CORBA_Environment ev;

    req           = g_new0 (PASRequest, 1);
    req->op       = GetChanges;
    req->get_changes.change_id= g_strdup(change_id);
    
    CORBA_exception_init (&ev);

    req->get_changes.listener = bonobo_object_dup_ref(listener, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_queue_get_changes: Exception "
               "duplicating BookViewListener!\n");
    }

    CORBA_exception_free (&ev);

    pas_book_queue_request (book, req);
}

static void
pas_book_queue_check_connection (PASBook *book)
{
    PASRequest *req;

    req        = g_new0 (PASRequest, 1);
    req->op    = CheckConnection;

    pas_book_queue_request (book, req);
}

static void
impl_GNOME_Evolution_Addressbook_Book_getVCard (PortableServer_Servant servant,
                        const CORBA_char *id,
                        CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_get_vcard (book, id);
}

static void
impl_GNOME_Evolution_Addressbook_Book_authenticateUser (PortableServer_Servant servant,
                            const char* user,
                            const char* passwd,
                            const char* auth_method,
                            CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_authenticate_user (book, user, passwd, auth_method);
}

static void
impl_GNOME_Evolution_Addressbook_Book_addCard (PortableServer_Servant servant,
                           const CORBA_char *vcard,
                           CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_create_card (book, (const char *) vcard);
}

static void
impl_GNOME_Evolution_Addressbook_Book_removeCards (PortableServer_Servant servant,
                           const GNOME_Evolution_Addressbook_CardIdList *ids,
                           CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_remove_cards (book, ids);
}

static void
impl_GNOME_Evolution_Addressbook_Book_modifyCard (PortableServer_Servant servant,
                          const CORBA_char *vcard,
                          CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_modify_card (book, (const char *) vcard);
}

static void
impl_GNOME_Evolution_Addressbook_Book_getCursor (PortableServer_Servant servant,
                const CORBA_char *search,
                CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_get_cursor (book, search);
}

static void
impl_GNOME_Evolution_Addressbook_Book_getBookView (PortableServer_Servant servant,
                   const GNOME_Evolution_Addressbook_BookViewListener listener,
                   const CORBA_char *search,
                   CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_get_book_view (book, listener, search);
}


static void
impl_GNOME_Evolution_Addressbook_Book_getCompletionView (PortableServer_Servant servant,
                   const GNOME_Evolution_Addressbook_BookViewListener listener,
                   const CORBA_char *search,
                   CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_get_completion_view (book, listener, search);
}

static void
impl_GNOME_Evolution_Addressbook_Book_getChanges (PortableServer_Servant servant,
                 const GNOME_Evolution_Addressbook_BookViewListener listener,
                 const CORBA_char *change_id,
                 CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_get_changes (book, listener, change_id);
}

static void
impl_GNOME_Evolution_Addressbook_Book_checkConnection (PortableServer_Servant servant,
                      CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_check_connection (book);
}

static char *
impl_GNOME_Evolution_Addressbook_Book_getStaticCapabilities (PortableServer_Servant servant,
                         CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));
    char *temp;
    char *ret_val;

    temp = pas_backend_get_static_capabilities (book->priv->backend);
    ret_val = CORBA_string_dup(temp);
    g_free(temp);
    return ret_val;
}

static void
impl_GNOME_Evolution_Addressbook_Book_getSupportedFields (PortableServer_Servant servant,
                              CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_get_supported_fields (book);
}

static void
impl_GNOME_Evolution_Addressbook_Book_getSupportedAuthMethods (PortableServer_Servant servant,
                                   CORBA_Environment *ev)
{
    PASBook *book = PAS_BOOK (bonobo_object (servant));

    pas_book_queue_get_supported_auth_methods (book);
}

/**
 * pas_book_get_backend:
 */
PASBackend *
pas_book_get_backend (PASBook *book)
{
    g_return_val_if_fail (book != NULL,       NULL);
    g_return_val_if_fail (PAS_IS_BOOK (book), NULL);

    return book->priv->backend;
}

/**
 * pas_book_get_listener:
 */
GNOME_Evolution_Addressbook_BookListener
pas_book_get_listener (PASBook *book)
{
    g_return_val_if_fail (book != NULL,       CORBA_OBJECT_NIL);
    g_return_val_if_fail (PAS_IS_BOOK (book), CORBA_OBJECT_NIL);

    return book->priv->listener;
}

/**
 * pas_book_check_pending
 */
gint
pas_book_check_pending (PASBook *book)
{
    g_return_val_if_fail (book != NULL,       -1);
    g_return_val_if_fail (PAS_IS_BOOK (book), -1);

    return g_list_length (book->priv->request_queue);
}

/**
 * pas_book_pop_request:
 */
PASRequest *
pas_book_pop_request (PASBook *book)
{
    GList      *popped;
    PASRequest *req;

    g_return_val_if_fail (book != NULL,       NULL);
    g_return_val_if_fail (PAS_IS_BOOK (book), NULL);

    if (book->priv->request_queue == NULL)
        return NULL;

    req = book->priv->request_queue->data;

    popped = book->priv->request_queue;
    book->priv->request_queue =
        g_list_remove_link (book->priv->request_queue, popped);

    g_list_free_1 (popped);

    return req;
}

/**
 * pas_book_respond_open:
 */
void
pas_book_respond_open (PASBook                           *book,
               GNOME_Evolution_Addressbook_BookListener_CallStatus  status)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    if (status == GNOME_Evolution_Addressbook_BookListener_Success) {
        GNOME_Evolution_Addressbook_BookListener_notifyBookOpened (
            book->priv->listener, status,
            bonobo_object_corba_objref (BONOBO_OBJECT (book)),
            &ev);
    } else {
        GNOME_Evolution_Addressbook_BookListener_notifyBookOpened (
            book->priv->listener, status,
            CORBA_OBJECT_NIL, &ev);
    }
    

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_open: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_respond_create:
 */
void
pas_book_respond_create (PASBook                           *book,
             GNOME_Evolution_Addressbook_BookListener_CallStatus  status,
             const char                        *id)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    GNOME_Evolution_Addressbook_BookListener_notifyCardCreated (
        book->priv->listener, status, (char *)id, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_create: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_respond_remove:
 */
void
pas_book_respond_remove (PASBook                           *book,
             GNOME_Evolution_Addressbook_BookListener_CallStatus  status)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    GNOME_Evolution_Addressbook_BookListener_notifyCardsRemoved (
        book->priv->listener, status, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_remove: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_respond_modify:
 */
void
pas_book_respond_modify (PASBook                           *book,
             GNOME_Evolution_Addressbook_BookListener_CallStatus  status)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    GNOME_Evolution_Addressbook_BookListener_notifyCardModified (
        book->priv->listener, status, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_modify: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_respond_authenticate_user:
 */
void
pas_book_respond_authenticate_user (PASBook                           *book,
                    GNOME_Evolution_Addressbook_BookListener_CallStatus  status)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    GNOME_Evolution_Addressbook_BookListener_notifyAuthenticationResult (
        book->priv->listener, status, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_authenticate_user: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

void
pas_book_respond_get_supported_fields (PASBook *book,
                       GNOME_Evolution_Addressbook_BookListener_CallStatus  status,
                       EList   *fields)
{
    CORBA_Environment ev;
    GNOME_Evolution_Addressbook_stringlist stringlist;
    int num_fields;
    EIterator *iter;
    int i;

    CORBA_exception_init (&ev);

    num_fields = e_list_length (fields);

    stringlist._buffer = CORBA_sequence_CORBA_string_allocbuf (num_fields);
    stringlist._maximum = num_fields;
    stringlist._length = num_fields;

    iter = e_list_get_iterator (fields);

    for (i = 0; e_iterator_is_valid (iter); e_iterator_next (iter), i ++) {
        stringlist._buffer[i] = CORBA_string_dup (e_iterator_get(iter));
    }

    g_object_unref (fields);

    GNOME_Evolution_Addressbook_BookListener_notifySupportedFields (
            book->priv->listener, status,
            &stringlist,
            &ev);

    CORBA_exception_free (&ev);

    CORBA_free(stringlist._buffer);
}

void
pas_book_respond_get_supported_auth_methods (PASBook *book,
                         GNOME_Evolution_Addressbook_BookListener_CallStatus  status,
                         EList   *auth_methods)
{
    CORBA_Environment ev;
    GNOME_Evolution_Addressbook_stringlist stringlist;
    int num_auth_methods;
    EIterator *iter;
    int i;

    CORBA_exception_init (&ev);

    num_auth_methods = e_list_length (auth_methods);

    stringlist._buffer = CORBA_sequence_CORBA_string_allocbuf (num_auth_methods);
    stringlist._maximum = num_auth_methods;
    stringlist._length = num_auth_methods;

    iter = e_list_get_iterator (auth_methods);

    for (i = 0; e_iterator_is_valid (iter); e_iterator_next (iter), i ++) {
        stringlist._buffer[i] = CORBA_string_dup (e_iterator_get(iter));
    }

    g_object_unref (auth_methods);

    GNOME_Evolution_Addressbook_BookListener_notifySupportedAuthMethods (
            book->priv->listener, status,
            &stringlist,
            &ev);

    CORBA_exception_free (&ev);

    CORBA_free(stringlist._buffer);
}

/**
 * pas_book_respond_get_cursor:
 */
void
pas_book_respond_get_cursor (PASBook                           *book,
                 GNOME_Evolution_Addressbook_BookListener_CallStatus  status,
                 PASCardCursor                     *cursor)
{
    CORBA_Environment ev;
    CORBA_Object      object;

    CORBA_exception_init (&ev);
    
    object = bonobo_object_corba_objref(BONOBO_OBJECT(cursor));

    GNOME_Evolution_Addressbook_BookListener_notifyCursorRequested (
        book->priv->listener, status, object, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_get_cursor: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_respond_get_book_view:
 */
void
pas_book_respond_get_book_view (PASBook                           *book,
                GNOME_Evolution_Addressbook_BookListener_CallStatus  status,
                PASBookView                       *book_view)
{
    CORBA_Environment ev;
    CORBA_Object      object;

    CORBA_exception_init (&ev);
    
    object = bonobo_object_corba_objref(BONOBO_OBJECT(book_view));

    GNOME_Evolution_Addressbook_BookListener_notifyViewRequested (
        book->priv->listener, status, object, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_get_book_view: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_respond_get_book_view:
 */
void
pas_book_respond_get_completion_view (PASBook                           *book,
                      GNOME_Evolution_Addressbook_BookListener_CallStatus  status,
                      PASBookView                       *completion_view)
{
    CORBA_Environment ev;
    CORBA_Object      object;

    CORBA_exception_init (&ev);
    
    object = bonobo_object_corba_objref(BONOBO_OBJECT(completion_view));

    GNOME_Evolution_Addressbook_BookListener_notifyViewRequested (
        book->priv->listener, status, object, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_get_completion_view: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_respond_get_changes:
 */
void
pas_book_respond_get_vcard (PASBook                           *book,
                GNOME_Evolution_Addressbook_BookListener_CallStatus  status,
                char                              *vcard)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    GNOME_Evolution_Addressbook_BookListener_notifyCardRequested (
        book->priv->listener, status, vcard, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_get_card: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_respond_get_changes:
 */
void
pas_book_respond_get_changes (PASBook                           *book,
                  GNOME_Evolution_Addressbook_BookListener_CallStatus  status,
                  PASBookView                       *book_view)
{
    CORBA_Environment ev;
    CORBA_Object      object;

    CORBA_exception_init (&ev);
    
    object = bonobo_object_corba_objref(BONOBO_OBJECT(book_view));

    GNOME_Evolution_Addressbook_BookListener_notifyChangesRequested (
        book->priv->listener, status, object, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_respond_get_changes: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_report_connection:
 */
void
pas_book_report_connection (PASBook  *book,
                gboolean  connected)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    GNOME_Evolution_Addressbook_BookListener_notifyConnectionStatus (
        book->priv->listener, (CORBA_boolean) connected, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_report_connection: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

/**
 * pas_book_report_writable:
 */
void
pas_book_report_writable (PASBook                           *book,
              gboolean                           writable)
{
    CORBA_Environment ev;

    CORBA_exception_init (&ev);

    GNOME_Evolution_Addressbook_BookListener_notifyWritable (
        book->priv->listener, (CORBA_boolean) writable, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning ("pas_book_report_writable: Exception "
               "responding to BookListener!\n");
    }

    CORBA_exception_free (&ev);
}

static void
pas_book_construct (PASBook                *book,
            PASBackend             *backend,
            GNOME_Evolution_Addressbook_BookListener  listener)
{
    PASBookPrivate *priv;
    CORBA_Environment ev;

    g_return_if_fail (book != NULL);

    priv = book->priv;

    priv->backend   = backend;

    CORBA_exception_init (&ev);
    book->priv->listener = CORBA_Object_duplicate (listener, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_message ("pas_book_construct(): could not duplicate the listener");
        CORBA_exception_free (&ev);
        return;
    }

    CORBA_exception_free (&ev);

    priv->listener  = listener;
}

/**
 * pas_book_new:
 */
PASBook *
pas_book_new (PASBackend             *backend,
          GNOME_Evolution_Addressbook_BookListener  listener)
{
    PASBook *book;

    book = g_object_new (PAS_TYPE_BOOK, NULL);

    pas_book_construct (book, backend, listener);

    return book;
}

void
pas_book_free_request (PASRequest *req)
{
    CORBA_Environment ev;
    switch (req->op) {
    case CreateCard:
        g_free (req->create.id);
        g_free (req->create.vcard);
        break;
    case RemoveCards:
        g_list_foreach (req->remove.ids, (GFunc)g_free, NULL);
        g_list_free (req->remove.ids);
        break;
    case ModifyCard:
        g_free (req->modify.vcard);
        break;
    case GetVCard:
        g_free (req->get_vcard.id);
        break;
    case GetCursor:
        g_free (req->get_cursor.search);
        break;
    case GetBookView:
        g_free (req->get_book_view.search);
        CORBA_exception_init (&ev);
        bonobo_object_release_unref (req->get_book_view.listener, &ev);

        if (ev._major != CORBA_NO_EXCEPTION)
            g_message ("pas_book_free_request(GetBookView): could not release the listener");
    
        CORBA_exception_free (&ev);
        break;
    case GetCompletionView:
        g_free (req->get_completion_view.search);
        CORBA_exception_init (&ev);
        bonobo_object_release_unref (req->get_completion_view.listener, &ev);

        if (ev._major != CORBA_NO_EXCEPTION)
            g_message ("pas_book_free_request(GetCompletionView): could not release the listener");
    
        CORBA_exception_free (&ev);
        break;
    case GetChanges:
        g_free (req->get_changes.change_id);
        CORBA_exception_init (&ev);
        bonobo_object_release_unref (req->get_changes.listener, &ev);

        if (ev._major != CORBA_NO_EXCEPTION)
            g_message ("pas_book_free_request(GetChanges): could not release the listener");

        CORBA_exception_free (&ev);
        break;
    case CheckConnection:
        /* nothing to free */
        break;
    case AuthenticateUser:
        g_free (req->auth_user.user);
        g_free (req->auth_user.passwd);
        g_free (req->auth_user.auth_method);
        break;
    case GetSupportedFields:
        /* nothing to free */
        break;
    case GetSupportedAuthMethods:
        /* nothing to free */
        break;
    }

    g_free (req);
}

static void
pas_book_dispose (GObject *object)
{
    PASBook *book = PAS_BOOK (object);

    if (book->priv) {
        GList   *l;
        CORBA_Environment ev;

        for (l = book->priv->request_queue; l != NULL; l = l->next) {
            pas_book_free_request ((PASRequest *)l->data);
        }
        g_list_free (book->priv->request_queue);

        /* We should never ever have timeout_id == 0 when we
           get destroyed, unless there is some sort of
           reference counting bug.  Still, we do this to try
           to avoid horrible crashes in those situations. */
        if (book->priv->timeout_id) {
            g_warning ("PASBook destroyed with non-zero timeout_id.  This shouldn't happen.");
            g_source_remove (book->priv->timeout_id);
            book->priv->timeout_id = 0;
        }

        CORBA_exception_init (&ev);
        CORBA_Object_release (book->priv->listener, &ev);

        if (ev._major != CORBA_NO_EXCEPTION)
            g_message ("pas_book_construct(): could not release the listener");

        CORBA_exception_free (&ev);

        g_free (book->priv);
        book->priv = NULL;
    }

    if (G_OBJECT_CLASS (pas_book_parent_class)->dispose)
        G_OBJECT_CLASS (pas_book_parent_class)->dispose (object);
}

static void
pas_book_class_init (PASBookClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    POA_GNOME_Evolution_Addressbook_Book__epv *epv;

    pas_book_parent_class = g_type_class_peek_parent (klass);

    pas_book_signals [REQUESTS_QUEUED] =
        g_signal_new ("requests_queued",
                  G_OBJECT_CLASS_TYPE(object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (PASBookClass, requests_queued),
                  NULL, NULL,
                  pas_marshal_NONE__NONE,
                  G_TYPE_NONE, 0);

    object_class->dispose = pas_book_dispose;

    epv = &klass->epv;

    epv->getVCard                = impl_GNOME_Evolution_Addressbook_Book_getVCard;
    epv->authenticateUser        = impl_GNOME_Evolution_Addressbook_Book_authenticateUser;
    epv->addCard                 = impl_GNOME_Evolution_Addressbook_Book_addCard;
    epv->removeCards             = impl_GNOME_Evolution_Addressbook_Book_removeCards;
    epv->modifyCard              = impl_GNOME_Evolution_Addressbook_Book_modifyCard;
    epv->checkConnection         = impl_GNOME_Evolution_Addressbook_Book_checkConnection;
    epv->getStaticCapabilities   = impl_GNOME_Evolution_Addressbook_Book_getStaticCapabilities;
    epv->getSupportedFields      = impl_GNOME_Evolution_Addressbook_Book_getSupportedFields;
    epv->getSupportedAuthMethods = impl_GNOME_Evolution_Addressbook_Book_getSupportedAuthMethods;
    epv->getCursor               = impl_GNOME_Evolution_Addressbook_Book_getCursor;
    epv->getBookView             = impl_GNOME_Evolution_Addressbook_Book_getBookView;
    epv->getCompletionView       = impl_GNOME_Evolution_Addressbook_Book_getCompletionView;
    epv->getChanges              = impl_GNOME_Evolution_Addressbook_Book_getChanges;
}

static void
pas_book_init (PASBook *book)
{
    book->priv                = g_new0 (PASBookPrivate, 1);
    book->priv->timeout_id    = 0;
    book->priv->request_queue = NULL;
    book->priv->timeout_id    = 0;
    book->priv->timeout_lock  = FALSE;
}

BONOBO_TYPE_FUNC_FULL (
               PASBook,
               GNOME_Evolution_Addressbook_Book,
               BONOBO_TYPE_OBJECT,
               pas_book);