path: root/widgets/menus/gal-view-collection.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * gal-view-collection.c: a View Collection
 *
 * Authors:
 *   Chris Lahey (clahey@helixcode.com)
 *
 * (C) 1999, 2000 Helix Code, Inc.
 */
#include <config.h>
#include <gtk/gtksignal.h>
#include <gal/util/e-util.h>
#include "gal-view-collection.h"

#define GVC_CLASS(e) ((GalViewCollectionClass *)((GtkObject *)e)->klass)

#define PARENT_TYPE gtk_object_get_type ()

static GtkObjectClass *gal_view_collection_parent_class;

enum {
    DISPLAY_VIEW,
    LAST_SIGNAL
};

static guint gal_view_collection_signals [LAST_SIGNAL] = { 0, };

/**
 * gal_view_collection_display_view:
 * @collection: The GalViewCollection to send the signal on.
 * @view: The view to display.
 *
 */
void
gal_view_collection_display_view (GalViewCollection *collection,
                  GalView *view)
{
    g_return_if_fail (collection != NULL);
    g_return_if_fail (GAL_IS_VIEW_COLLECTION (collection));

    gtk_signal_emit (GTK_OBJECT (collection),
             gal_view_collection_signals [DISPLAY_VIEW],
             view);
}

static void
gal_view_collection_destroy (GtkObject *object)
{
    GalViewCollection *collection = GAL_VIEW_COLLECTION(object);

    e_free_object_list(collection->view_list);
    e_free_object_list(collection->factory_list);

    if (gal_view_collection_parent_class->destroy)
        (*gal_view_collection_parent_class->destroy)(object);
}

static void
gal_view_collection_class_init (GtkObjectClass *object_class)
{
    GalViewCollectionClass *klass = GAL_VIEW_COLLECTION_CLASS(object_class);
    gal_view_collection_parent_class = gtk_type_class (PARENT_TYPE);
    
    object_class->destroy = gal_view_collection_destroy;

    gal_view_collection_signals [DISPLAY_VIEW] =
        gtk_signal_new ("display_view",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (GalViewCollectionClass, display_view),
                gtk_marshal_NONE__OBJECT,
                GTK_TYPE_NONE, 1, GTK_TYPE_OBJECT);

    gtk_object_class_add_signals (object_class, gal_view_collection_signals, LAST_SIGNAL);

    klass->display_view = NULL;     
}

static void
gal_view_collection_init (GalViewCollection *collection)
{
    collection->view_list    = NULL;
    collection->factory_list = NULL;
}

guint
gal_view_collection_get_type (void)
{
    static guint type = 0;
    
    if (!type)
    {
        GtkTypeInfo info =
        {
            "GalViewCollection",
            sizeof (GalViewCollection),
            sizeof (GalViewCollectionClass),
            (GtkClassInitFunc) gal_view_collection_class_init,
            (GtkObjectInitFunc) gal_view_collection_init,
            /* reserved_1 */ NULL,
            /* reserved_2 */ NULL,
            (GtkClassInitFunc) NULL,
        };
        
        type = gtk_type_unique (PARENT_TYPE, &info);
    }

  return type;
}

GalViewCollection *gal_view_collection_new                      (void)
{
    return gtk_type_new(gal_view_collection_get_type());
}

/* Set up the view collection */
void               gal_view_collection_set_storage_directories  (GalViewCollection *collection,
                                 char              *system_dir,
                                 char              *local_dir)
{
}

void               gal_view_collection_add_factory              (GalViewCollection *collection,
                                 GalViewFactory    *factory)
{
    gtk_object_ref(GTK_OBJECT(factory));
    collection->factory_list = g_list_prepend(collection->factory_list, factory);
}