diff options
Diffstat (limited to 'daemon/gdm-display-store.c')
-rw-r--r-- | daemon/gdm-display-store.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/daemon/gdm-display-store.c b/daemon/gdm-display-store.c new file mode 100644 index 00000000..f6b469f7 --- /dev/null +++ b/daemon/gdm-display-store.c @@ -0,0 +1,219 @@ +/* -*- 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); +} |