diff options
Diffstat (limited to 'daemon/gdm-display-factory.c')
| -rw-r--r-- | daemon/gdm-display-factory.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/daemon/gdm-display-factory.c b/daemon/gdm-display-factory.c new file mode 100644 index 0000000..1214f7f --- /dev/null +++ b/daemon/gdm-display-factory.c @@ -0,0 +1,240 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include "config.h" + +#include <stdlib.h> +#include <stdio.h> + +#include <glib.h> +#include <glib/gi18n.h> +#include <glib-object.h> + +#include "gdm-display-factory.h" +#include "gdm-display-store.h" + +typedef struct _GdmDisplayFactoryPrivate +{ + GdmDisplayStore *display_store; + guint purge_displays_id; +} GdmDisplayFactoryPrivate; + +enum { + PROP_0, + PROP_DISPLAY_STORE, +}; + +static void gdm_display_factory_class_init (GdmDisplayFactoryClass *klass); +static void gdm_display_factory_init (GdmDisplayFactory *factory); +static void gdm_display_factory_finalize (GObject *object); + +G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GdmDisplayFactory, gdm_display_factory, G_TYPE_OBJECT) + +GQuark +gdm_display_factory_error_quark (void) +{ + static GQuark ret = 0; + if (ret == 0) { + ret = g_quark_from_static_string ("gdm_display_factory_error"); + } + + return ret; +} + +static gboolean +purge_display (char *id, + GdmDisplay *display, + gpointer user_data) +{ + int status; + + status = gdm_display_get_status (display); + + switch (status) { + case GDM_DISPLAY_FINISHED: + case GDM_DISPLAY_FAILED: + return TRUE; + default: + return FALSE; + } +} + +static void +purge_displays (GdmDisplayFactory *factory) +{ + GdmDisplayFactoryPrivate *priv; + + priv = gdm_display_factory_get_instance_private (factory); + priv->purge_displays_id = 0; + gdm_display_store_foreach_remove (priv->display_store, + (GdmDisplayStoreFunc)purge_display, + NULL); +} + +void +gdm_display_factory_queue_purge_displays (GdmDisplayFactory *factory) +{ + GdmDisplayFactoryPrivate *priv; + + priv = gdm_display_factory_get_instance_private (factory); + if (priv->purge_displays_id == 0) { + priv->purge_displays_id = g_idle_add ((GSourceFunc) purge_displays, factory); + } +} + +GdmDisplayStore * +gdm_display_factory_get_display_store (GdmDisplayFactory *factory) +{ + GdmDisplayFactoryPrivate *priv; + + g_return_val_if_fail (GDM_IS_DISPLAY_FACTORY (factory), NULL); + + priv = gdm_display_factory_get_instance_private (factory); + return priv->display_store; +} + +gboolean +gdm_display_factory_start (GdmDisplayFactory *factory) +{ + gboolean ret; + + g_return_val_if_fail (GDM_IS_DISPLAY_FACTORY (factory), FALSE); + + g_object_ref (factory); + ret = GDM_DISPLAY_FACTORY_GET_CLASS (factory)->start (factory); + g_object_unref (factory); + + return ret; +} + +gboolean +gdm_display_factory_stop (GdmDisplayFactory *factory) +{ + gboolean ret; + + g_return_val_if_fail (GDM_IS_DISPLAY_FACTORY (factory), FALSE); + + g_object_ref (factory); + ret = GDM_DISPLAY_FACTORY_GET_CLASS (factory)->stop (factory); + g_object_unref (factory); + + return ret; +} + +static void +gdm_display_factory_set_display_store (GdmDisplayFactory *factory, + GdmDisplayStore *display_store) +{ + GdmDisplayFactoryPrivate *priv; + + priv = gdm_display_factory_get_instance_private (factory); + g_clear_object (&priv->display_store); + + if (display_store != NULL) { + priv->display_store = g_object_ref (display_store); + } +} + +static void +gdm_display_factory_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GdmDisplayFactory *self; + + self = GDM_DISPLAY_FACTORY (object); + + switch (prop_id) { + case PROP_DISPLAY_STORE: + gdm_display_factory_set_display_store (self, g_value_get_object (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gdm_display_factory_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GdmDisplayFactory *self; + GdmDisplayFactoryPrivate *priv; + + self = GDM_DISPLAY_FACTORY (object); + priv = gdm_display_factory_get_instance_private (self); + + switch (prop_id) { + case PROP_DISPLAY_STORE: + g_value_set_object (value, priv->display_store); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gdm_display_factory_class_init (GdmDisplayFactoryClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->get_property = gdm_display_factory_get_property; + object_class->set_property = gdm_display_factory_set_property; + object_class->finalize = gdm_display_factory_finalize; + + g_object_class_install_property (object_class, + PROP_DISPLAY_STORE, + g_param_spec_object ("display-store", + "display store", + "display store", + GDM_TYPE_DISPLAY_STORE, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); +} + +static void +gdm_display_factory_init (GdmDisplayFactory *factory) +{ +} + +static void +gdm_display_factory_finalize (GObject *object) +{ + GdmDisplayFactory *factory; + GdmDisplayFactoryPrivate *priv; + + g_return_if_fail (object != NULL); + g_return_if_fail (GDM_IS_DISPLAY_FACTORY (object)); + + factory = GDM_DISPLAY_FACTORY (object); + priv = gdm_display_factory_get_instance_private (factory); + + g_return_if_fail (priv != NULL); + + if (priv->purge_displays_id != 0) { + g_source_remove (priv->purge_displays_id); + priv->purge_displays_id = 0; + } + + G_OBJECT_CLASS (gdm_display_factory_parent_class)->finalize (object); +} |