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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * e-card-cursor.c: Implements card cursors.
 *
 * Author:
 *   Christopher James Lahey <clahey@helixcode.com.
 */

#include <config.h>
#include <bonobo.h>
#include "addressbook.h"
#include "e-card-cursor.h"

struct _ECardCursorPrivate {
    Evolution_CardCursor corba_cursor;
};

/*
 * A pointer to our parent object class
 */
static GtkObjectClass *parent_class;

/*
 * Implemented GtkObject::destroy
 */
static void
e_card_cursor_destroy (GtkObject *object)
{
    ECardCursor *cursor = E_CARD_CURSOR (object);
    CORBA_Environment      ev;

    CORBA_exception_init (&ev);

    Evolution_CardCursor_unref( cursor->priv->corba_cursor, &ev );

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning("e_card_cursor_destroy: Exception unreffing "
              "corba cursor.\n");
    }

    CORBA_exception_free (&ev);

    if ( cursor->priv )
        g_free ( cursor->priv );

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

/*
 * CORBA Demo::Echo::echo method implementation
 */
long
e_card_cursor_get_length (ECardCursor *cursor)
{
    if ( cursor->priv->corba_cursor != CORBA_OBJECT_NIL ) {
        CORBA_Environment      ev;
        long ret_val;

        CORBA_exception_init (&ev);

        ret_val = Evolution_CardCursor_get_length(cursor->priv->corba_cursor, &ev);
        
        if (ev._major != CORBA_NO_EXCEPTION) {
            g_warning("e_card_cursor_get_length: Exception during "
                  "get_length corba call.\n");
        }

        CORBA_exception_free (&ev);

        return ret_val;
    }
    else
        return 0;
}

/*
 * CORBA Demo::Echo::echo method implementation
 */
ECard *
e_card_cursor_get_nth (ECardCursor *cursor,
               const long   n)
{
    if ( cursor->priv->corba_cursor != CORBA_OBJECT_NIL ) {
        CORBA_Environment      ev;
        CORBA_char * ret_val;
        ECard *card;

        CORBA_exception_init (&ev);

        ret_val = Evolution_CardCursor_get_nth(cursor->priv->corba_cursor, n, &ev);
        
        if (ev._major != CORBA_NO_EXCEPTION) {
            g_warning("e_card_cursor_get_nth: Exception during "
                  "get_nth corba call.\n");
            CORBA_exception_free (&ev);
            CORBA_exception_init (&ev);
        }

        card = e_card_new(ret_val);
#if 0       
        CORBA_string__free(ret_val, &ev);
        
        if (ev._major != CORBA_NO_EXCEPTION) {
            g_warning("e_card_cursor_get_nth: Exception freeing "
                  "string.\n");
        }
#endif
        CORBA_exception_free (&ev);

        return card;
    }
    else
        return e_card_new("");
}

static void
e_card_cursor_class_init (ECardCursorClass *klass)
{
    GtkObjectClass *object_class = (GtkObjectClass *) klass;

    parent_class = gtk_type_class (bonobo_object_get_type ());

    object_class->destroy = e_card_cursor_destroy;
}

static void
e_card_cursor_init (ECardCursor *cursor)
{
    cursor->priv = g_new(ECardCursorPrivate, 1);
    cursor->priv->corba_cursor = CORBA_OBJECT_NIL;
}

GtkType
e_card_cursor_get_type (void)
{
    static GtkType type = 0;

    if (!type){
        GtkTypeInfo info = {
            "ECardCursor",
            sizeof (ECardCursor),
            sizeof (ECardCursorClass),
            (GtkClassInitFunc) e_card_cursor_class_init,
            (GtkObjectInitFunc) e_card_cursor_init,
            NULL, /* reserved 1 */
            NULL, /* reserved 2 */
            (GtkClassInitFunc) NULL
        };

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

    return type;
}

ECardCursor *
e_card_cursor_construct (ECardCursor          *cursor,
             Evolution_CardCursor  corba_cursor)
{
    CORBA_Environment      ev;
    g_return_val_if_fail (cursor != NULL, NULL);
    g_return_val_if_fail (E_IS_CARD_CURSOR (cursor), NULL);
    g_return_val_if_fail (corba_cursor != CORBA_OBJECT_NIL, NULL);

    /*
     * Initialize cursor
     */
    cursor->priv->corba_cursor = corba_cursor;

    CORBA_exception_init (&ev);
    
    Evolution_CardCursor_ref(corba_cursor, &ev);

    if (ev._major != CORBA_NO_EXCEPTION) {
        g_warning("e_card_cursor_construct: Exception reffing "
              "corba cursor.\n");
    }

    CORBA_exception_free (&ev);
    
    /*
     * Success: return the GtkType we were given
     */
    return cursor;
}

ECardCursor *
e_card_cursor_new (Evolution_CardCursor corba_cursor)
{
    ECardCursor *cursor;

    cursor = gtk_type_new (e_card_cursor_get_type ());
    
    return e_card_cursor_construct (cursor,
                    corba_cursor);
}