/*
 * Virt Viewer: A virtual machine console viewer
 *
 * Copyright (C) 2007-2012 Red Hat, Inc.
 * Copyright (C) 2009-2012 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 <spice-audio.h>
#include <glib/gi18n.h>

#include <spice-option.h>
#include <usb-device-widget.h>
#include "virt-viewer-util.h"
#include "virt-viewer-session-spice.h"
#include "virt-viewer-display-spice.h"
#include "virt-viewer-auth.h"
#include "virt-glib-compat.h"

#if !GLIB_CHECK_VERSION(2, 26, 0)
#include "gbinding.h"
#include "gbinding.c"
#endif

G_DEFINE_TYPE (VirtViewerSessionSpice, virt_viewer_session_spice, VIRT_VIEWER_TYPE_SESSION)


struct _VirtViewerSessionSpicePrivate {
    GtkWindow *main_window;
    SpiceSession *session;
    SpiceGtkSession *gtk_session;
    SpiceMainChannel *main_channel;
    const SpiceAudio *audio;
    int channel_count;
};

#define VIRT_VIEWER_SESSION_SPICE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), VIRT_VIEWER_TYPE_SESSION_SPICE, VirtViewerSessionSpicePrivate))

enum {
    PROP_0,
    PROP_SPICE_SESSION,
};


static void virt_viewer_session_spice_close(VirtViewerSession *session);
static gboolean virt_viewer_session_spice_open_fd(VirtViewerSession *session, int fd);
static gboolean virt_viewer_session_spice_open_host(VirtViewerSession *session, const gchar *host, const gchar *port, const gchar *tlsport);
static gboolean virt_viewer_session_spice_open_uri(VirtViewerSession *session, const gchar *uri);
static gboolean virt_viewer_session_spice_channel_open_fd(VirtViewerSession *session, VirtViewerSessionChannel *channel, int fd);
static gboolean virt_viewer_session_spice_has_usb(VirtViewerSession *session);
static void virt_viewer_session_spice_usb_device_selection(VirtViewerSession *session, GtkWindow *parent);
static void virt_viewer_session_spice_channel_new(SpiceSession *s,
                                                  SpiceChannel *channel,
                                                  VirtViewerSession *session);
static void virt_viewer_session_spice_channel_destroy(SpiceSession *s,
                                                      SpiceChannel *channel,
                                                      VirtViewerSession *session);
static void virt_viewer_session_spice_smartcard_insert(VirtViewerSession *session);
static void virt_viewer_session_spice_smartcard_remove(VirtViewerSession *session);
static gboolean virt_viewer_session_spice_fullscreen_auto_conf(VirtViewerSessionSpice *self);

static void
virt_viewer_session_spice_get_property(GObject *object, guint property_id,
                                       GValue *value, GParamSpec *pspec)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(object);
    VirtViewerSessionSpicePrivate *priv = self->priv;

    switch (property_id) {
    case PROP_SPICE_SESSION:
        g_value_set_object(value, priv->session);
        break;
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
    }
}

static void
virt_viewer_session_spice_set_property(GObject *object, guint property_id,
                                       const GValue *value G_GNUC_UNUSED, GParamSpec *pspec)
{
    switch (property_id) {
    default:
        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
    }
}

static void
virt_viewer_session_spice_dispose(GObject *obj)
{
    VirtViewerSessionSpice *spice = VIRT_VIEWER_SESSION_SPICE(obj);

    if (spice->priv->session) {
        spice_session_disconnect(spice->priv->session);
        g_object_unref(spice->priv->session);
        spice->priv->session = NULL;
    }

    spice->priv->audio = NULL;

    if (spice->priv->main_window)
        g_object_unref(spice->priv->main_window);

    G_OBJECT_CLASS(virt_viewer_session_spice_parent_class)->dispose(obj);
}


static void
virt_viewer_session_spice_class_init(VirtViewerSessionSpiceClass *klass)
{
    VirtViewerSessionClass *dclass = VIRT_VIEWER_SESSION_CLASS(klass);
    GObjectClass *oclass = G_OBJECT_CLASS(klass);

    oclass->get_property = virt_viewer_session_spice_get_property;
    oclass->set_property = virt_viewer_session_spice_set_property;
    oclass->dispose = virt_viewer_session_spice_dispose;

    dclass->close = virt_viewer_session_spice_close;
    dclass->open_fd = virt_viewer_session_spice_open_fd;
    dclass->open_host = virt_viewer_session_spice_open_host;
    dclass->open_uri = virt_viewer_session_spice_open_uri;
    dclass->channel_open_fd = virt_viewer_session_spice_channel_open_fd;
    dclass->has_usb = virt_viewer_session_spice_has_usb;
    dclass->usb_device_selection = virt_viewer_session_spice_usb_device_selection;
    dclass->smartcard_insert = virt_viewer_session_spice_smartcard_insert;
    dclass->smartcard_remove = virt_viewer_session_spice_smartcard_remove;

    g_type_class_add_private(klass, sizeof(VirtViewerSessionSpicePrivate));

    g_object_class_install_property(oclass,
                                    PROP_SPICE_SESSION,
                                    g_param_spec_object("spice-session",
                                                        "Spice session",
                                                        "Spice session",
                                                        SPICE_TYPE_SESSION,
                                                        G_PARAM_READABLE |
                                                        G_PARAM_STATIC_STRINGS));
}

static void
virt_viewer_session_spice_init(VirtViewerSessionSpice *self G_GNUC_UNUSED)
{
    self->priv = VIRT_VIEWER_SESSION_SPICE_GET_PRIVATE(self);
}

static void
usb_connect_failed(GObject *object G_GNUC_UNUSED,
                   SpiceUsbDevice *device G_GNUC_UNUSED,
                   GError *error, VirtViewerSessionSpice *self)
{
    if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
        return;

    g_signal_emit_by_name(self, "session-usb-failed", error->message);
}

static void
create_spice_session(VirtViewerSessionSpice *self)
{
    SpiceUsbDeviceManager *manager;

    g_return_if_fail(self != NULL);
    g_return_if_fail(self->priv->session == NULL);

    self->priv->session = spice_session_new();
    spice_set_session_option(self->priv->session);

    self->priv->gtk_session = spice_gtk_session_get(self->priv->session);
    g_object_set(self->priv->gtk_session, "auto-clipboard", TRUE, NULL);

    g_signal_connect(self->priv->session, "channel-new",
                     G_CALLBACK(virt_viewer_session_spice_channel_new), self);
    g_signal_connect(self->priv->session, "channel-destroy",
                     G_CALLBACK(virt_viewer_session_spice_channel_destroy), self);

    manager = spice_usb_device_manager_get(self->priv->session, NULL);
    if (manager) {
        g_signal_connect(manager, "auto-connect-failed",
                         G_CALLBACK(usb_connect_failed), self);
        g_signal_connect(manager, "device-error",
                         G_CALLBACK(usb_connect_failed), self);
    }

    g_object_bind_property(self, "auto-usbredir",
                           self->priv->gtk_session, "auto-usbredir",
                           G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
}

static void
virt_viewer_session_spice_close(VirtViewerSession *session)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);

    g_return_if_fail(self != NULL);

    virt_viewer_session_clear_displays(session);

    if (self->priv->session) {
        spice_session_disconnect(self->priv->session);
        g_object_unref(self->priv->session);
        self->priv->session = NULL;
        self->priv->gtk_session = NULL;
        self->priv->audio = NULL;
    }

    /* FIXME: version 0.7 of spice-gtk allows reuse of session */
    create_spice_session(self);
}

static gboolean
virt_viewer_session_spice_open_host(VirtViewerSession *session,
                                    const gchar *host,
                                    const gchar *port,
                                    const gchar *tlsport)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);

    g_return_val_if_fail(self != NULL, FALSE);
    g_return_val_if_fail(self->priv->session != NULL, FALSE);

    g_object_set(self->priv->session,
                 "host", host,
                 "port", port,
                 "tls-port", tlsport,
                 NULL);

    return spice_session_connect(self->priv->session);
}

static gboolean
virt_viewer_session_spice_open_uri(VirtViewerSession *session,
                                   const gchar *uri)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);

    g_return_val_if_fail(self != NULL, FALSE);
    g_return_val_if_fail(self->priv->session != NULL, FALSE);

    g_object_set(self->priv->session, "uri", uri, NULL);

    return spice_session_connect(self->priv->session);
}

static gboolean
virt_viewer_session_spice_open_fd(VirtViewerSession *session,
                                  int fd)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);

    g_return_val_if_fail(self != NULL, FALSE);

    return spice_session_open_fd(self->priv->session, fd);
}

static gboolean
virt_viewer_session_spice_channel_open_fd(VirtViewerSession *session,
                                          VirtViewerSessionChannel *channel,
                                          int fd)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);

    g_return_val_if_fail(self != NULL, FALSE);

    return spice_channel_open_fd(SPICE_CHANNEL(channel), fd);
}

static void
virt_viewer_session_spice_channel_open_fd_request(SpiceChannel *channel,
                                                  gint tls G_GNUC_UNUSED,
                                                  VirtViewerSession *session)
{
    g_signal_emit_by_name(session, "session-channel-open", channel);
}

static void
virt_viewer_session_spice_main_channel_event(SpiceChannel *channel G_GNUC_UNUSED,
                                             SpiceChannelEvent event,
                                             VirtViewerSession *session)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
    gchar *password = NULL;

    g_return_if_fail(self != NULL);

    switch (event) {
    case SPICE_CHANNEL_OPENED:
        DEBUG_LOG("main channel: opened");
        break;
    case SPICE_CHANNEL_CLOSED:
        DEBUG_LOG("main channel: closed");
        /* Ensure the other channels get closed too */
        virt_viewer_session_clear_displays(session);
        if (self->priv->session)
            spice_session_disconnect(self->priv->session);
        break;
    case SPICE_CHANNEL_SWITCHING:
        DEBUG_LOG("main channel: switching host");
        break;
    case SPICE_CHANNEL_ERROR_AUTH:
        DEBUG_LOG("main channel: auth failure (wrong password?)");
        int ret = virt_viewer_auth_collect_credentials(self->priv->main_window,
                                                       "SPICE",
                                                       NULL,
                                                       NULL, &password);
        if (ret < 0) {
            g_signal_emit_by_name(session, "session-cancelled");
        } else {
            gboolean openfd;

            g_object_set(self->priv->session, "password", password, NULL);
            g_free(password);
            g_object_get(self->priv->session, "client-sockets", &openfd, NULL);

            if (openfd)
                spice_session_open_fd(self->priv->session, -1);
            else
                spice_session_connect(self->priv->session);
        }
        break;
    case SPICE_CHANNEL_ERROR_CONNECT:
        DEBUG_LOG("main channel: failed to connect");
        g_signal_emit_by_name(session, "session-disconnected");
        break;
    case SPICE_CHANNEL_ERROR_IO:
    case SPICE_CHANNEL_ERROR_LINK:
    case SPICE_CHANNEL_ERROR_TLS:
        g_signal_emit_by_name(session, "session-disconnected");
        break;
    default:
        g_warning("unhandled spice main channel event: %d", event);
        break;
    }

    g_free(password);
}

static gboolean
virt_viewer_session_spice_has_usb(VirtViewerSession *session)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
    VirtViewerSessionSpicePrivate *priv = self->priv;

    return spice_usb_device_manager_get(priv->session, NULL) &&
        spice_session_has_channel_type(priv->session,
                                       SPICE_CHANNEL_USBREDIR);
}

static void remove_cb(GtkContainer   *container G_GNUC_UNUSED,
                      GtkWidget      *widget G_GNUC_UNUSED,
                      void           *user_data)
{
    gtk_window_resize(GTK_WINDOW(user_data), 1, 1);
}

static void
virt_viewer_session_spice_usb_device_selection(VirtViewerSession *session,
                                               GtkWindow *parent)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
    VirtViewerSessionSpicePrivate *priv = self->priv;
    GtkWidget *dialog, *area, *usb_device_widget;

    /* Create the widgets */
    dialog = gtk_dialog_new_with_buttons(_("Select USB devices for redirection"), parent,
                                         GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
                                         GTK_STOCK_CLOSE, GTK_RESPONSE_ACCEPT,
                                         NULL);
    gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
    gtk_container_set_border_width(GTK_CONTAINER(dialog), 12);
    gtk_box_set_spacing(GTK_BOX(gtk_bin_get_child(GTK_BIN(dialog))), 12);

    area = gtk_dialog_get_content_area(GTK_DIALOG(dialog));

    usb_device_widget = spice_usb_device_widget_new(priv->session,
                                                    "%s %s");
    g_signal_connect(usb_device_widget, "connect-failed",
                     G_CALLBACK(usb_connect_failed), self);
    gtk_box_pack_start(GTK_BOX(area), usb_device_widget, TRUE, TRUE, 0);

    /* This shrinks the dialog when USB devices are unplugged */
    g_signal_connect(usb_device_widget, "remove",
                     G_CALLBACK(remove_cb), dialog);

    /* show and run */
    gtk_widget_show_all(dialog);
    gtk_dialog_run(GTK_DIALOG(dialog));
    gtk_widget_destroy(dialog);
}

static void
agent_connected_changed(SpiceChannel *cmain G_GNUC_UNUSED,
                        GParamSpec *pspec G_GNUC_UNUSED,
                        VirtViewerSessionSpice *self)
{
    // this will force refresh of application menu
    g_signal_emit_by_name(self, "session-display-updated");
}

static void
agent_connected_fullscreen_auto_conf(SpiceChannel *cmain,
                                     GParamSpec *pspec G_GNUC_UNUSED,
                                     VirtViewerSessionSpice *self)
{
    if (virt_viewer_session_spice_fullscreen_auto_conf(self))
        g_signal_handlers_disconnect_by_func(cmain, agent_connected_fullscreen_auto_conf, self);
}

static void
destroy_display(gpointer data)
{
    VirtViewerDisplay *display = VIRT_VIEWER_DISPLAY(data);
    VirtViewerSession *session = virt_viewer_display_get_session(display);

    DEBUG_LOG("Destroying spice display %p", display);
    virt_viewer_session_remove_display(session, display);
    g_object_unref(display);
}

static void
virt_viewer_session_spice_display_monitors(SpiceChannel *channel,
                                           GParamSpec *pspec G_GNUC_UNUSED,
                                           VirtViewerSessionSpice *self)
{
    GArray *monitors = NULL;
    GPtrArray *displays = NULL;
    GtkWidget *display;
    guint i, monitors_max;

    g_object_get(channel,
                 "monitors", &monitors,
                 "monitors-max", &monitors_max,
                 NULL);
    g_return_if_fail(monitors != NULL);
    g_return_if_fail(monitors->len <= monitors_max);

    displays = g_object_get_data(G_OBJECT(channel), "virt-viewer-displays");
    if (displays == NULL) {
        displays = g_ptr_array_new();
        g_ptr_array_set_free_func(displays, destroy_display);
        g_object_set_data_full(G_OBJECT(channel), "virt-viewer-displays",
                               displays, (GDestroyNotify)g_ptr_array_unref);
    }

    g_ptr_array_set_size(displays, monitors_max);

    for (i = 0; i < monitors_max; i++) {
        display = g_ptr_array_index(displays, i);
        if (display == NULL) {
            display = virt_viewer_display_spice_new(self, channel, i);
            DEBUG_LOG("creating spice display (#:%d)", i);
            g_ptr_array_index(displays, i) = g_object_ref(display);
        }

        g_object_freeze_notify(G_OBJECT(display));
        virt_viewer_display_set_enabled(VIRT_VIEWER_DISPLAY(display), FALSE);
        virt_viewer_session_add_display(VIRT_VIEWER_SESSION(self),
                                        VIRT_VIEWER_DISPLAY(display));
    }

    for (i = 0; i < monitors->len; i++) {
        SpiceDisplayMonitorConfig *monitor = &g_array_index(monitors, SpiceDisplayMonitorConfig, i);
        display = g_ptr_array_index(displays, monitor->id);
        g_return_if_fail(display != NULL);

        if (monitor->width == 0 || monitor->width == 0)
            continue;

        virt_viewer_display_set_enabled(VIRT_VIEWER_DISPLAY(display), TRUE);
        virt_viewer_display_set_desktop_size(VIRT_VIEWER_DISPLAY(display),
                                             monitor->width, monitor->height);
    }

    for (i = 0; i < monitors_max; i++)
        g_object_thaw_notify(g_ptr_array_index(displays, i));

    g_clear_pointer(&monitors, g_array_unref);

}

static void
virt_viewer_session_spice_channel_new(SpiceSession *s,
                                      SpiceChannel *channel,
                                      VirtViewerSession *session)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
    int id;

    g_return_if_fail(self != NULL);

    g_signal_connect(channel, "open-fd",
                     G_CALLBACK(virt_viewer_session_spice_channel_open_fd_request), self);

    g_object_get(channel, "channel-id", &id, NULL);

    DEBUG_LOG("New spice channel %p %s %d", channel, g_type_name(G_OBJECT_TYPE(channel)), id);

    if (SPICE_IS_MAIN_CHANNEL(channel)) {
        if (self->priv->main_channel != NULL)
            g_signal_handlers_disconnect_by_func(self->priv->main_channel,
                                                 virt_viewer_session_spice_main_channel_event, self);

        g_signal_connect(channel, "channel-event",
                         G_CALLBACK(virt_viewer_session_spice_main_channel_event), self);
        self->priv->main_channel = SPICE_MAIN_CHANNEL(channel);

        g_signal_connect(channel, "notify::agent-connected", G_CALLBACK(agent_connected_changed), self);
        g_signal_connect(channel, "notify::agent-connected", G_CALLBACK(agent_connected_fullscreen_auto_conf), self);
        agent_connected_fullscreen_auto_conf(channel, NULL, self);

        g_signal_emit_by_name(session, "session-connected");
    }

    if (SPICE_IS_DISPLAY_CHANNEL(channel)) {
        g_signal_emit_by_name(session, "session-initialized");

        g_signal_connect(channel, "notify::monitors",
                         G_CALLBACK(virt_viewer_session_spice_display_monitors), self);

        spice_channel_connect(channel);
    }

    if (SPICE_IS_INPUTS_CHANNEL(channel)) {
        DEBUG_LOG("new inputs channel");
    }

    if (SPICE_IS_PLAYBACK_CHANNEL(channel)) {
        DEBUG_LOG("new audio channel");
        if (self->priv->audio == NULL)
            self->priv->audio = spice_audio_get(s, NULL);
    }

    self->priv->channel_count++;
}

static gboolean
virt_viewer_session_spice_fullscreen_auto_conf(VirtViewerSessionSpice *self)
{
    GdkScreen *screen = gdk_screen_get_default();
    SpiceMainChannel* cmain = virt_viewer_session_spice_get_main_channel(self);
    VirtViewerApp *app = NULL;
    GdkRectangle dest;
    gboolean auto_conf, agent_connected;
    gint i;

    app = virt_viewer_session_get_app(VIRT_VIEWER_SESSION(self));
    g_return_val_if_fail(VIRT_VIEWER_IS_APP(app), TRUE);

    DEBUG_LOG("Checking full screen auto-conf");
    g_object_get(app, "fullscreen-auto-conf", &auto_conf, NULL);
    if (!auto_conf)
        return TRUE;

    if (cmain == NULL)
        return FALSE;

    g_object_get(cmain, "agent-connected", &agent_connected, NULL);
    if (!agent_connected) {
        DEBUG_LOG("Agent not connected, skipping autoconf");
        return FALSE;
    }

    DEBUG_LOG("Performing full screen auto-conf, %d host monitors",
              gdk_screen_get_n_monitors(screen));
    g_object_set(G_OBJECT(cmain),
                 "disable-display-position", FALSE,
                 "disable-display-align", TRUE,
                 NULL);
    spice_main_set_display_enabled(cmain, -1, FALSE);
    for (i = 0; i < gdk_screen_get_n_monitors(screen); i++) {
        gdk_screen_get_monitor_geometry(screen, i, &dest);
        DEBUG_LOG("Set SPICE display %d to (%d,%d)-(%dx%d)",
                  i, dest.x, dest.y, dest.width, dest.height);
        spice_main_set_display(cmain, i, dest.x, dest.y, dest.width, dest.height);
        spice_main_set_display_enabled(cmain, i, TRUE);
    }

    spice_main_send_monitor_config(cmain);
    return TRUE;
}

static void
virt_viewer_session_spice_channel_destroy(G_GNUC_UNUSED SpiceSession *s,
                                          SpiceChannel *channel,
                                          VirtViewerSession *session)
{
    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
    int id;

    g_return_if_fail(self != NULL);

    g_object_get(channel, "channel-id", &id, NULL);
    DEBUG_LOG("Destroy SPICE channel %s %d", g_type_name(G_OBJECT_TYPE(channel)), id);

    if (SPICE_IS_MAIN_CHANNEL(channel)) {
        DEBUG_LOG("zap main channel");
        if (channel == SPICE_CHANNEL(self->priv->main_channel))
            self->priv->main_channel = NULL;
    }

    if (SPICE_IS_DISPLAY_CHANNEL(channel)) {
        VirtViewerDisplay *display = g_object_get_data(G_OBJECT(channel), "virt-viewer-display");
        DEBUG_LOG("zap display channel (#%d, %p)", id, display);
    }

    if (SPICE_IS_PLAYBACK_CHANNEL(channel) && self->priv->audio) {
        DEBUG_LOG("zap audio channel");
        self->priv->audio = NULL;
    }

    self->priv->channel_count--;
    if (self->priv->channel_count == 0)
        g_signal_emit_by_name(self, "session-disconnected");
}

static void
fullscreen_changed(GObject *gobject G_GNUC_UNUSED,
                   GParamSpec *pspec G_GNUC_UNUSED,
                   VirtViewerSessionSpice *self)
{
    virt_viewer_session_spice_fullscreen_auto_conf(self);
}

VirtViewerSession *
virt_viewer_session_spice_new(VirtViewerApp *app, GtkWindow *main_window)
{
    VirtViewerSessionSpice *self;

    self = g_object_new(VIRT_VIEWER_TYPE_SESSION_SPICE, "app", app, NULL);

    create_spice_session(self);
    self->priv->main_window = g_object_ref(main_window);

    g_signal_connect(app, "notify::fullscreen", G_CALLBACK(fullscreen_changed),  self);

    return VIRT_VIEWER_SESSION(self);
}

SpiceMainChannel*
virt_viewer_session_spice_get_main_channel(VirtViewerSessionSpice *self)
{
    g_return_val_if_fail(VIRT_VIEWER_IS_SESSION_SPICE(self), NULL);

    return self->priv->main_channel;
}

static void
virt_viewer_session_spice_smartcard_insert(VirtViewerSession *session G_GNUC_UNUSED)
{
    spice_smartcard_manager_insert_card(spice_smartcard_manager_get());
}

static void
virt_viewer_session_spice_smartcard_remove(VirtViewerSession *session G_GNUC_UNUSED)
{
    spice_smartcard_manager_remove_card(spice_smartcard_manager_get());
}

/*
 * Local variables:
 *  c-indent-level: 4
 *  c-basic-offset: 4
 *  indent-tabs-mode: nil
 * End:
 */