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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib-object.h>
#include "gdm-display-store.h"
#include "gdm-display.h"
#define GDM_DISPLAY_STORE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_DISPLAY_STORE, GdmDisplayStorePrivate))
struct GdmDisplayStorePrivate
{
GHashTable *displays;
};
enum {
DISPLAY_ADDED,
DISPLAY_REMOVED,
LAST_SIGNAL
};
static guint signals [LAST_SIGNAL] = { 0, };
static void gdm_display_store_class_init (GdmDisplayStoreClass *klass);
static void gdm_display_store_init (GdmDisplayStore *display_store);
static void gdm_display_store_finalize (GObject *object);
G_DEFINE_TYPE (GdmDisplayStore, gdm_display_store, G_TYPE_OBJECT)
GQuark
gdm_display_store_error_quark (void)
{
static GQuark ret = 0;
if (ret == 0) {
ret = g_quark_from_static_string ("gdm_display_store_error");
}
return ret;
}
void
gdm_display_store_clear (GdmDisplayStore *store)
{
g_hash_table_remove_all (store->priv->displays);
}
gboolean
gdm_display_store_remove (GdmDisplayStore *store,
GdmDisplay *display)
{
g_warning ("Implement me");
return FALSE;
}
void
gdm_display_store_foreach (GdmDisplayStore *store,
GdmDisplayStoreFunc func,
gpointer user_data)
{
g_return_if_fail (store != NULL);
g_return_if_fail (func != NULL);
g_hash_table_find (store->priv->displays,
(GHRFunc)func,
user_data);
}
GdmDisplay *
gdm_display_store_find (GdmDisplayStore *store,
GdmDisplayStoreFunc predicate,
gpointer user_data)
{
GdmDisplay *display;
g_return_val_if_fail (store != NULL, NULL);
g_return_val_if_fail (predicate != NULL, NULL);
display = g_hash_table_find (store->priv->displays,
(GHRFunc)predicate,
user_data);
return display;
}
guint
gdm_display_store_foreach_remove (GdmDisplayStore *store,
GdmDisplayStoreFunc func,
gpointer user_data)
{
guint ret;
g_return_val_if_fail (store != NULL, 0);
g_return_val_if_fail (func != NULL, 0);
ret = g_hash_table_foreach_remove (store->priv->displays,
(GHRFunc)func,
user_data);
return ret;
}
void
gdm_display_store_add (GdmDisplayStore *store,
GdmDisplay *display)
{
char *id;
g_return_if_fail (store != NULL);
g_return_if_fail (display != NULL);
gdm_display_get_id (display, &id, NULL);
g_debug ("Adding display %s to store", id);
g_hash_table_insert (store->priv->displays,
id,
g_object_ref (display));
}
static void
gdm_display_store_class_init (GdmDisplayStoreClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = gdm_display_store_finalize;
signals [DISPLAY_ADDED] =
g_signal_new ("display-added",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GdmDisplayStoreClass, display_added),
NULL,
NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE,
1, G_TYPE_STRING);
signals [DISPLAY_REMOVED] =
g_signal_new ("display-removed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GdmDisplayStoreClass, display_removed),
NULL,
NULL,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE,
1, G_TYPE_STRING);
g_type_class_add_private (klass, sizeof (GdmDisplayStorePrivate));
}
static void
display_unref (GdmDisplay *display)
{
/* nothing yet */
}
static void
gdm_display_store_init (GdmDisplayStore *store)
{
store->priv = GDM_DISPLAY_STORE_GET_PRIVATE (store);
store->priv->displays = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
(GDestroyNotify) display_unref);
}
static void
gdm_display_store_finalize (GObject *object)
{
GdmDisplayStore *display_store;
g_return_if_fail (object != NULL);
g_return_if_fail (GDM_IS_DISPLAY_STORE (object));
display_store = GDM_DISPLAY_STORE (object);
g_return_if_fail (display_store->priv != NULL);
G_OBJECT_CLASS (gdm_display_store_parent_class)->finalize (object);
}
GdmDisplayStore *
gdm_display_store_new (void)
{
GObject *object;
object = g_object_new (GDM_TYPE_DISPLAY_STORE,
NULL);
return GDM_DISPLAY_STORE (object);
}
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