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

/*
 * Author:
 *   Nat Friedman (nat@helixcode.com)
 *
 * Copyright 2000, Helix Code, Inc.
 */
  
#include <gtk/gtksignal.h>
#include <db.h>

#include <pas-backend-file.h>
#include <pas-book.h>

static PASBackendClass *pas_backend_file_parent_class;

struct _PASBackendFilePrivate {
    GList    *clients;
    gboolean  loaded;
};

static void
pas_backend_file_process_create_card (PASBackend *backend,
                      PASBook    *book,
                      PASRequest *req)
{
    pas_book_respond_create (
        book, Evolution_BookListener_Success);

    g_free (req->vcard);
}

static void
pas_backend_file_process_remove_card (PASBackend *backend,
                      PASBook    *book,
                      PASRequest *req)
{
    pas_book_respond_remove (
        book, Evolution_BookListener_Success);

    g_free (req->id);
}

static void
pas_backend_file_process_modify_card (PASBackend *backend,
                      PASBook    *book,
                      PASRequest *req)
{
    pas_book_respond_modify (
        book, Evolution_BookListener_Success);

    g_free (req->vcard);
}

static void
pas_backend_file_process_check_connection (PASBackend *backend,
                       PASBook    *book,
                       PASRequest *req)
{
    pas_book_report_connection (book, TRUE);
}

static void
pas_backend_file_process_client_requests (PASBook *book)
{
    PASBackend *backend;
    PASRequest *req;

    backend = pas_book_get_backend (book);

    req = pas_book_pop_request (book);
    if (req == NULL)
        return;

    switch (req->op) {
    case CreateCard:
        pas_backend_file_process_create_card (backend, book, req);
        break;

    case RemoveCard:
        pas_backend_file_process_remove_card (backend, book, req);
        break;

    case ModifyCard:
        pas_backend_file_process_modify_card (backend, book, req);
        
    case CheckConnection:
        pas_backend_file_process_check_connection (backend, book, req);
        break;
    }

    g_free (req);
}

static void
pas_backend_file_book_destroy_cb (PASBook *book)
{
    PASBackendFile *backend;

    backend = PAS_BACKEND_FILE (pas_book_get_backend (book));

    pas_backend_remove_client (PAS_BACKEND (backend), book);
}

static char *
pas_backend_file_get_vcard (PASBook *book, const char *id)
{
    return g_strdup ("blah blah blah");
}

static char *
pas_backend_file_extract_path_from_uri (const char *uri)
{
    g_assert (strncasecmp (uri, "file:", 5) == 0);

    return g_strdup (uri + 5);
}

static void
pas_backend_file_load_uri (PASBackend             *backend,
               const char             *uri)
{
    PASBackendFile *bf = PAS_BACKEND_FILE (backend);
    char           *filename;

    g_assert (PAS_BACKEND_FILE (backend)->priv->loaded == FALSE);

    filename = pas_backend_file_extract_path_from_uri (uri);
}

static void
pas_backend_file_add_client (PASBackend             *backend,
                 Evolution_BookListener  listener)
{
    PASBackendFile *bf;
    PASBook        *book;

    g_assert (backend != NULL);
    g_assert (PAS_IS_BACKEND_FILE (backend));

    bf = PAS_BACKEND_FILE (backend);

    book = pas_book_new (
        backend, listener,
        pas_backend_file_get_vcard);

    g_assert (book != NULL);

    gtk_signal_connect (GTK_OBJECT (book), "destroy",
            pas_backend_file_book_destroy_cb, NULL);

    gtk_signal_connect (GTK_OBJECT (book), "requests_queued",
            pas_backend_file_process_client_requests, NULL);

    bf->priv->clients = g_list_prepend (
        bf->priv->clients, book);

    if (bf->priv->loaded) {
        pas_book_respond_open (
            book, Evolution_BookListener_Success);
    } else {
        /* Open the book. */
        pas_book_respond_open (
            book, Evolution_BookListener_Success);
    }
}

static void
pas_backend_file_remove_client (PASBackend             *backend,
                PASBook                *book)
{
    g_return_if_fail (backend != NULL);
    g_return_if_fail (PAS_IS_BACKEND (backend));
    g_return_if_fail (book != NULL);
    g_return_if_fail (PAS_IS_BOOK (book));

    g_warning ("pas_backend_file_remove_client: Unimplemented!\n");
}

static gboolean
pas_backend_file_construct (PASBackendFile *backend)
{
    g_assert (backend != NULL);
    g_assert (PAS_IS_BACKEND_FILE (backend));

    if (! pas_backend_construct (PAS_BACKEND (backend)))
        return FALSE;

    return TRUE;
}

/**
 * pas_backend_file_new:
 */
PASBackend *
pas_backend_file_new (void)
{
    PASBackendFile *backend;

    backend = gtk_type_new (pas_backend_file_get_type ());

    if (! pas_backend_file_construct (backend)) {
        gtk_object_unref (GTK_OBJECT (backend));

        return NULL;
    }

    return PAS_BACKEND (backend);
}

static void
pas_backend_file_destroy (GtkObject *object)
{
    PASBackendFile *backend = PAS_BACKEND_FILE (object);

    GTK_OBJECT_CLASS (pas_backend_file_parent_class)->destroy (object); 
}

static void
pas_backend_file_class_init (PASBackendFileClass *klass)
{
    GtkObjectClass  *object_class = (GtkObjectClass *) klass;
    PASBackendClass *parent_class;

    pas_backend_file_parent_class = gtk_type_class (pas_backend_get_type ());

    parent_class = PAS_BACKEND_CLASS (klass);

    /* Set the virtual methods. */
    parent_class->load_uri      = pas_backend_file_load_uri;
    parent_class->add_client    = pas_backend_file_add_client;
    parent_class->remove_client = pas_backend_file_remove_client;

    object_class->destroy = pas_backend_file_destroy;
}

static void
pas_backend_file_init (PASBackendFile *backend)
{
    PASBackendFilePrivate *priv;

    priv          = g_new0 (PASBackendFilePrivate, 1);
    priv->loaded  = FALSE;
    priv->clients = NULL;

    backend->priv = priv;
}

/**
 * pas_backend_file_get_type:
 */
GtkType
pas_backend_file_get_type (void)
{
    static GtkType type = 0;

    if (! type) {
        GtkTypeInfo info = {
            "PASBackendFile",
            sizeof (PASBackendFile),
            sizeof (PASBackendFileClass),
            (GtkClassInitFunc)  pas_backend_file_class_init,
            (GtkObjectInitFunc) pas_backend_file_init,
            NULL, /* reserved 1 */
            NULL, /* reserved 2 */
            (GtkClassInitFunc) NULL
        };

        type = gtk_type_unique (pas_backend_get_type (), &info);
    }

    return type;
}