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Viewing changes to src/wayland-session.c

  • Committer: Robert Ancell
  • Date: 2015-07-28 08:38:40 UTC
  • mto: This revision was merged to the branch mainline in revision 2166.
  • Revision ID: robert.ancell@canonical.com-20150728083840-0c0rt3j8sl7mwhvo
https://launchpad.net/bugs/888391
Support Wayland sessions / greeters

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src/wayland-session.c
 
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/*
 
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 * Copyright (C) 2015 Canonical Ltd.
 
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 * Author: Robert Ancell <robert.ancell@canonical.com>
 
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 *
 
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 * This program is free software: you can redistribute it and/or modify it under
 
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 * the terms of the GNU General Public License as published by the Free Software
 
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 * Foundation, either version 3 of the License, or (at your option) any later
 
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 * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
 
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 * license.
 
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 */
 
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#include "wayland-session.h"
 
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#include "vt.h"
 
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struct WaylandSessionPrivate
 
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{
 
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    /* VT to run on */
 
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    gint vt;
 
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    gboolean have_vt_ref;
 
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};
 
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G_DEFINE_TYPE (WaylandSession, wayland_session, DISPLAY_SERVER_TYPE);
 
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WaylandSession *
 
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wayland_session_new (void)
 
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{
 
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    return g_object_new (WAYLAND_SESSION_TYPE, NULL);
 
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}
 
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void
 
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wayland_session_set_vt (WaylandSession *session, gint vt)
 
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{
 
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    g_return_if_fail (session != NULL);
 
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    if (session->priv->have_vt_ref)
 
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        vt_unref (session->priv->vt);
 
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    session->priv->have_vt_ref = FALSE;
 
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    session->priv->vt = vt;
 
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    if (vt > 0)
 
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    {
 
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        vt_ref (vt);
 
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        session->priv->have_vt_ref = TRUE;
 
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    }
 
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}
 
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static gint
 
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wayland_session_get_vt (DisplayServer *server)
 
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{
 
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    g_return_val_if_fail (server != NULL, 0);
 
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    return WAYLAND_SESSION (server)->priv->vt;
 
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}
 
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static void
 
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wayland_session_connect_session (DisplayServer *display_server, Session *session)
 
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{
 
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    WaylandSession *wayland_session = WAYLAND_SESSION (display_server);
 
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    session_set_env (session, "XDG_SESSION_TYPE", "wayland");
 
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    if (wayland_session->priv->vt >= 0)
 
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    {
 
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        gchar *value = g_strdup_printf ("%d", wayland_session->priv->vt);
 
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        session_set_env (session, "XDG_VTNR", value);
 
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        g_free (value);
 
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    }
 
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}
 
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static void
 
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wayland_session_disconnect_session (DisplayServer *display_server, Session *session)
 
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{
 
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    session_unset_env (session, "XDG_SESSION_TYPE");
 
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    session_unset_env (session, "XDG_VTNR");
 
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}
 
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static void
 
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wayland_session_init (WaylandSession *session)
 
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{
 
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    session->priv = G_TYPE_INSTANCE_GET_PRIVATE (session, WAYLAND_SESSION_TYPE, WaylandSessionPrivate);
 
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}
 
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static void
 
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wayland_session_finalize (GObject *object)
 
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{
 
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    WaylandSession *self;
 
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    self = WAYLAND_SESSION (object);
 
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    if (self->priv->have_vt_ref)
 
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        vt_unref (self->priv->vt);
 
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    G_OBJECT_CLASS (wayland_session_parent_class)->finalize (object);
 
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}
 
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static void
 
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wayland_session_class_init (WaylandSessionClass *klass)
 
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{
 
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    GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
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    DisplayServerClass *display_server_class = DISPLAY_SERVER_CLASS (klass);
 
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    display_server_class->get_vt = wayland_session_get_vt;
 
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    display_server_class->connect_session = wayland_session_connect_session;
 
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    display_server_class->disconnect_session = wayland_session_disconnect_session;
 
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    object_class->finalize = wayland_session_finalize;
 
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    g_type_class_add_private (klass, sizeof (WaylandSessionPrivate));
 
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}