virt-viewer/src/virt-viewer-session.c

/*
 * Virt Viewer: A virtual machine console viewer
 *
 * Copyright (C) 2007-2009 Red Hat,
 * Copyright (C) 2009 Daniel P. Berrange
 * Copyright (C) 2010 Marc-André Lureau
 *
 * 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
 *
 * Author: Daniel P. Berrange <berrange@redhat.com>
 */

#include <config.h>

#include <locale.h>

#include "virt-viewer-session.h"
#include "virt-viewer-util.h"

#define VIRT_VIEWER_SESSION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), VIRT_VIEWER_TYPE_SESSION, VirtViewerSessionPrivate))


struct _VirtViewerSessionPrivate
{
	GList *displays;
};

G_DEFINE_ABSTRACT_TYPE(VirtViewerSession, virt_viewer_session, G_TYPE_OBJECT)

static void
virt_viewer_session_finalize(GObject *obj)
{
	VirtViewerSession *session = VIRT_VIEWER_SESSION(obj);
	GList *tmp = session->priv->displays;

	while (tmp) {
		g_object_unref(tmp->data);
		tmp = tmp->next;
	}
	g_list_free(session->priv->displays);

	G_OBJECT_CLASS(virt_viewer_session_parent_class)->finalize(obj);
}

static void
virt_viewer_session_class_init(VirtViewerSessionClass *class)
{
	GObjectClass *object_class = G_OBJECT_CLASS(class);

	object_class->finalize = virt_viewer_session_finalize;

	g_signal_new("session-connected",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_FIRST,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_connected),
		     NULL, NULL,
		     g_cclosure_marshal_VOID__VOID,
		     G_TYPE_NONE,
		     0);

	g_signal_new("session-initialized",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_FIRST,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_initialized),
		     NULL, NULL,
		     g_cclosure_marshal_VOID__VOID,
		     G_TYPE_NONE,
		     0);

	g_signal_new("session-disconnected",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_FIRST,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_disconnected),
		     NULL, NULL,
		     g_cclosure_marshal_VOID__VOID,
		     G_TYPE_NONE,
		     0);

	g_signal_new("session-channel-open",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_FIRST,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_channel_open),
		     NULL, NULL,
		     g_cclosure_marshal_VOID__OBJECT,
		     G_TYPE_NONE,
		     1,
		     G_TYPE_OBJECT);

	g_signal_new("session-auth-refused",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_LAST | G_SIGNAL_NO_HOOKS,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_auth_refused),
		     NULL,
		     NULL,
		     g_cclosure_marshal_VOID__STRING,
		     G_TYPE_NONE,
		     1,
		     G_TYPE_STRING);

	g_signal_new("session-auth-failed",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_LAST | G_SIGNAL_NO_HOOKS,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_auth_failed),
		     NULL,
		     NULL,
		     g_cclosure_marshal_VOID__STRING,
		     G_TYPE_NONE,
		     1,
		     G_TYPE_STRING);


	g_signal_new("session-display-added",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_LAST | G_SIGNAL_NO_HOOKS,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_display_added),
		     NULL,
		     NULL,
		     g_cclosure_marshal_VOID__OBJECT,
		     G_TYPE_NONE,
		     1,
		     VIRT_VIEWER_TYPE_DISPLAY);

	g_signal_new("session-display-removed",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_LAST | G_SIGNAL_NO_HOOKS,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_display_removed),
		     NULL,
		     NULL,
		     g_cclosure_marshal_VOID__OBJECT,
		     G_TYPE_NONE,
		     1,
		     VIRT_VIEWER_TYPE_DISPLAY);

	g_signal_new("session-cut-text",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_LAST | G_SIGNAL_NO_HOOKS,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_cut_text),
		     NULL,
		     NULL,
		     g_cclosure_marshal_VOID__STRING,
		     G_TYPE_NONE,
		     1,
		     G_TYPE_STRING);

	g_signal_new("session-bell",
		     G_OBJECT_CLASS_TYPE(object_class),
		     G_SIGNAL_RUN_LAST | G_SIGNAL_NO_HOOKS,
		     G_STRUCT_OFFSET(VirtViewerSessionClass, session_bell),
		     NULL,
		     NULL,
		     g_cclosure_marshal_VOID__VOID,
		     G_TYPE_NONE,
		     0);

	g_type_class_add_private(object_class, sizeof(VirtViewerSessionPrivate));
}

static void
virt_viewer_session_init(VirtViewerSession *session)
{
	session->priv = VIRT_VIEWER_SESSION_GET_PRIVATE(session);
}

GtkWidget*
virt_viewer_session_new(void)
{
	return g_object_new(VIRT_VIEWER_TYPE_SESSION, NULL);
}


void virt_viewer_session_add_display(VirtViewerSession *session,
				     VirtViewerDisplay *display)
{
	session->priv->displays = g_list_append(session->priv->displays, display);
	g_object_ref(display);
	g_signal_emit_by_name(session, "session-display-added", display);
}


void virt_viewer_session_remove_display(VirtViewerSession *session,
					VirtViewerDisplay *display)
{
	if (!g_list_find(session->priv->displays, display))
		return;

	session->priv->displays = g_list_remove(session->priv->displays, display);
	g_signal_emit_by_name(session, "session-display-removed", display);
	g_object_unref(display);
}

void virt_viewer_session_clear_displays(VirtViewerSession *session)
{
	GList *tmp = session->priv->displays;

	while (tmp) {
		g_signal_emit_by_name(session, "session-display-removed", tmp->data);
		g_object_unref(tmp->data);
		tmp = tmp->next;
	}
	g_list_free(session->priv->displays);
	session->priv->displays = NULL;
}



void virt_viewer_session_close(VirtViewerSession *session)
{
	g_return_if_fail(VIRT_VIEWER_IS_SESSION(session));

	VIRT_VIEWER_SESSION_GET_CLASS(session)->close(session);
}

gboolean virt_viewer_session_open_fd(VirtViewerSession *session, int fd)
{
	g_return_val_if_fail(VIRT_VIEWER_IS_SESSION(session), FALSE);

	return VIRT_VIEWER_SESSION_GET_CLASS(session)->open_fd(session, fd);
}

gboolean virt_viewer_session_open_host(VirtViewerSession *session, char *host, char *port)
{
        VirtViewerSessionClass *klass;

	g_return_val_if_fail(VIRT_VIEWER_IS_SESSION(session), FALSE);

	klass = VIRT_VIEWER_SESSION_GET_CLASS(session);
        return klass->open_host(session, host, port);
}

gboolean virt_viewer_session_channel_open_fd(VirtViewerSession *session,
					     VirtViewerSessionChannel *channel, int fd)
{
	g_return_val_if_fail(VIRT_VIEWER_IS_SESSION(session), FALSE);

	return VIRT_VIEWER_SESSION_GET_CLASS(session)->channel_open_fd(session, channel, fd);
}

/*
 * Local variables:
 *  c-indent-level: 8
 *  c-basic-offset: 8
 *  tab-width: 8
 * End:
 */