mutter/src/core/meta-session-state.c
Carlos Garnacho c6acf3aef5 core: Add MetaSessionState
This is an abstract base class to implement a "client session",
carrying the accounting of the windows, and allowing to serialize/read
their state into a Gvdb table.

Since different windowing backends may require slightly different
data to be saved for each window, this is meant to have windowing-specific
implementations.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3825>
2024-09-14 13:47:21 +00:00

178 lines
5.0 KiB
C

/*
* Copyright (C) 2024 Red Hat Inc.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Author: Carlos Garnacho <carlosg@gnome.org>
*/
#include "config.h"
#include "core/meta-session-state.h"
#include "meta/util.h"
enum
{
PROP_0,
PROP_NAME,
N_PROPS,
};
static GParamSpec *props[N_PROPS] = { 0, };
typedef struct _MetaSessionStatePrivate MetaSessionStatePrivate;
struct _MetaSessionStatePrivate
{
char *name;
};
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (MetaSessionState, meta_session_state, G_TYPE_OBJECT)
const char *
meta_session_state_get_name (MetaSessionState *state)
{
MetaSessionStatePrivate *priv =
meta_session_state_get_instance_private (state);
return priv->name;
}
gboolean
meta_session_state_serialize (MetaSessionState *state,
GHashTable *gvdb_data)
{
meta_topic (META_DEBUG_SESSION_MANAGEMENT, "Serializing state");
return META_SESSION_STATE_GET_CLASS (state)->serialize (state, gvdb_data);
}
gboolean
meta_session_state_parse (MetaSessionState *state,
GvdbTable *data,
GError **error)
{
meta_topic (META_DEBUG_SESSION_MANAGEMENT, "Parsing state");
return META_SESSION_STATE_GET_CLASS (state)->parse (state, data, error);
}
void
meta_session_state_save_window (MetaSessionState *state,
const char *name,
MetaWindow *window)
{
meta_topic (META_DEBUG_SESSION_MANAGEMENT, "Saving window %s", name);
META_SESSION_STATE_GET_CLASS (state)->save_window (state, name, window);
}
gboolean
meta_session_state_restore_window (MetaSessionState *state,
const char *name,
MetaWindow *window)
{
meta_topic (META_DEBUG_SESSION_MANAGEMENT, "Restoring window %s", name);
return META_SESSION_STATE_GET_CLASS (state)->restore_window (state,
name,
window);
}
void
meta_session_state_remove_window (MetaSessionState *state,
const char *name)
{
meta_topic (META_DEBUG_SESSION_MANAGEMENT, "Removing window %s", name);
META_SESSION_STATE_GET_CLASS (state)->remove_window (state, name);
}
static void
meta_session_state_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MetaSessionState *session_state = META_SESSION_STATE (object);
MetaSessionStatePrivate *priv =
meta_session_state_get_instance_private (session_state);
switch (prop_id)
{
case PROP_NAME:
priv->name = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_session_state_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MetaSessionState *session_state = META_SESSION_STATE (object);
MetaSessionStatePrivate *priv =
meta_session_state_get_instance_private (session_state);
switch (prop_id)
{
case PROP_NAME:
g_value_set_string (value, priv->name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_session_state_finalize (GObject *object)
{
MetaSessionState *session_state = META_SESSION_STATE (object);
MetaSessionStatePrivate *priv =
meta_session_state_get_instance_private (session_state);
g_clear_pointer (&priv->name, g_free);
G_OBJECT_CLASS (meta_session_state_parent_class)->finalize (object);
}
static void
meta_session_state_class_init (MetaSessionStateClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = meta_session_state_set_property;
object_class->get_property = meta_session_state_get_property;
object_class->finalize = meta_session_state_finalize;
props[PROP_NAME] =
g_param_spec_string ("name", NULL, NULL,
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_properties (object_class, N_PROPS, props);
}
static void
meta_session_state_init (MetaSessionState *state)
{
}