path: root/addressbook/gui/widgets/e-minicard-control.c

/*
 * e-minicard-control.c
 *
 * Authors:
 *    Chris Lahey <clahey@helixcode.com>
 *
 * Copyright 1999, 2000, Helix Code, Inc.
 */

#include <config.h>
#include <gnome.h>
#include <bonobo.h>

#include "e-minicard-control.h"
#include "e-minicard-widget.h"
#include "addressbook/backend/ebook/e-card.h"

#if 0
enum {
    PROP_RUNNING
} MyArgs;

#define RUNNING_KEY  "Clock::Running"

static void
get_prop (BonoboPropertyBag *bag,
      BonoboArg         *arg,
      guint              arg_id,
      gpointer           user_data)
{
    GtkObject *clock = user_data;

    switch (arg_id) {

    case PROP_RUNNING:
    {
        gboolean b = GPOINTER_TO_UINT (gtk_object_get_data (clock, RUNNING_KEY));
        BONOBO_ARG_SET_BOOLEAN (arg, b);
        break;
    }

    default:
        g_warning ("Unhandled arg %d", arg_id);
        break;
    }
}

static void
set_prop (BonoboPropertyBag *bag,
      const BonoboArg   *arg,
      guint              arg_id,
      gpointer           user_data)
{
    GtkClock *clock = user_data;

    switch (arg_id) {

    case PROP_RUNNING:
    {
        guint i;

        i = BONOBO_ARG_GET_BOOLEAN (arg);

        if (i)
            gtk_clock_start (clock);
        else
            gtk_clock_stop (clock);

        gtk_object_set_data (GTK_OBJECT (clock), RUNNING_KEY,
                     GUINT_TO_POINTER (i));
        break;
    }

    default:
        g_warning ("Unhandled arg %d", arg_id);
        break;
    }
}
#endif

/*
 * Bonobo::PersistStream
 *
 * These two functions implement the Bonobo::PersistStream load and
 * save methods which allow data to be loaded into and out of the
 * BonoboObject.
 */
static char *
stream_read (Bonobo_Stream stream)
{
    Bonobo_Stream_iobuf *buffer;
    CORBA_Environment    ev;
    char *data = NULL;
    gint length = 0;

    CORBA_exception_init (&ev);
    do {
#define READ_CHUNK_SIZE 65536
        Bonobo_Stream_read (stream, READ_CHUNK_SIZE,
                    &buffer, &ev);

        if (ev._major != CORBA_NO_EXCEPTION) {
            CORBA_exception_free (&ev);
            return NULL;
        }

        if (buffer->_length <= 0)
            break;

        data = g_realloc (data,
                  length + buffer->_length);

        memcpy (data + length,
            buffer->_buffer, buffer->_length);

        length += buffer->_length;

        CORBA_free (buffer);
    } while (1);

    CORBA_free (buffer);
    CORBA_exception_free (&ev);

    if (data == NULL)
      data = g_strdup("");

    return data;
} /* stream_read */

/*
 * This function implements the Bonobo::PersistStream:load method.
 */
static void
pstream_load (BonoboPersistStream *ps, const Bonobo_Stream stream,
          Bonobo_Persist_ContentType type, void *data,
          CORBA_Environment *ev)
{
    ECard *card;
    char *vcard;
    GtkWidget *minicard = data;

    if (*type && g_strcasecmp (type, "text/plain") != 0 && 
        g_strcasecmp (type, "text/x-vCard") != 0) {     
        CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
                     ex_Bonobo_Persist_WrongDataType, NULL);
        return;
    }

    if ((vcard = stream_read (stream)) == NULL) {
        CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
                     ex_Bonobo_Persist_FileNotFound, NULL);
        return;
    }

    card = e_card_new(vcard);
    g_free(vcard);
    gtk_object_set(GTK_OBJECT(minicard),
               "card", card,
               NULL);
    gtk_object_unref(GTK_OBJECT(card));
} /* pstream_load */

/*
 * This function implements the Bonobo::PersistStream:save method.
 */
static void
pstream_save (BonoboPersistStream *ps, const Bonobo_Stream stream,
          Bonobo_Persist_ContentType type, void *data,
          CORBA_Environment *ev)
{
    Bonobo_Stream_iobuf *buffer;
    size_t               pos;
    char                *vcard;
    ECard               *card;
    EMinicardWidget     *minicard = data;
    int                  length;

    if (*type && g_strcasecmp (type, "text/plain") != 0 && 
        g_strcasecmp (type, "text/x-vCard") != 0) {     
        CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
                     ex_Bonobo_Persist_WrongDataType, NULL);
        return;
    }

    buffer = Bonobo_Stream_iobuf__alloc ();
    
    gtk_object_get(GTK_OBJECT(minicard),
               "card", &card,
               NULL);
    vcard = e_card_get_vcard(card);
    length = strlen(vcard);
    data = CORBA_sequence_CORBA_octet_allocbuf (length);
    memcpy (data, vcard, length);

    buffer->_buffer = data;
    buffer->_length = length;

    g_free(vcard);

    pos = 0;
    
    while (pos < length) {
        CORBA_long bytes_read;

        bytes_read = Bonobo_Stream_write (stream, buffer, ev);

        if (ev->_major != CORBA_NO_EXCEPTION) {
            CORBA_free (buffer);
            CORBA_free (data);
            return;
        }

        pos += bytes_read;
    }

    CORBA_free (buffer);
    CORBA_free (data);
} /* pstream_save */

static CORBA_long
pstream_get_max_size (BonoboPersistStream *ps, void *data,
              CORBA_Environment *ev)
{
  GtkWidget *minicard = data;
  ECard *card;
  char *vcard;
  gint length;
  
  gtk_object_get(GTK_OBJECT(minicard),
         "card", &card,
         NULL);
  vcard = e_card_get_vcard(card);
  length = strlen(vcard);
  g_free(vcard);

  return length;
}

static Bonobo_Persist_ContentTypeList *
pstream_get_content_types (BonoboPersistStream *ps, void *closure,
               CORBA_Environment *ev)
{
    return bonobo_persist_generate_content_types (2, "text/plain", "text/x-vCard");
}

static BonoboObject *
e_minicard_control_factory (BonoboGenericFactory *Factory, void *closure)
{
#if 0
    BonoboPropertyBag  *pb;
#endif
    BonoboControl      *control;
    BonoboPersistStream *stream;
    GtkWidget      *minicard;

    /* Create the control. */
    minicard = e_minicard_widget_new ();
    gtk_widget_show (minicard);

    control = bonobo_control_new (minicard);

    stream = bonobo_persist_stream_new (pstream_load, pstream_save,
                        pstream_get_max_size,
                        pstream_get_content_types,
                        minicard);

#if 0
    /* Create the properties. */
    pb = bonobo_property_bag_new (get_prop, set_prop, clock);
    bonobo_control_set_property_bag (control, pb);

    bonobo_property_bag_add (pb, "running", PROP_RUNNING,
                 BONOBO_ARG_BOOLEAN, NULL,
                 "Whether or not the clock is running", 0);
#endif

    if (stream == NULL) {
        bonobo_object_unref (BONOBO_OBJECT (control));
        return NULL;
    }

    bonobo_object_add_interface (BONOBO_OBJECT (control),
                    BONOBO_OBJECT (stream));

    return BONOBO_OBJECT (control);
}

void
e_minicard_control_factory_init (void)
{
    static BonoboGenericFactory *factory = NULL;

    if (factory != NULL)
        return;

#if USING_OAF
    factory =
        bonobo_generic_factory_new (
            "OAFIID:e_minicard_factory:f9542709-fb31-4c6a-bc00-d462ba41e4b9",
            e_minicard_control_factory, NULL);
#else
    factory =
        bonobo_generic_factory_new (
            "control-factory:e-minicard",
            e_minicard_control_factory, NULL);
#endif

    if (factory == NULL)
        g_error ("I could not register a EMinicard control factory.");
}