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/*
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* /net/reactivated/Fprint/Manager object implementation
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* Copyright (C) 2008 Daniel Drake <dsd@gentoo.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <dbus/dbus-glib-bindings.h>
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#include <glib.h>
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#include <glib/gi18n.h>
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#include <fprint.h>
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#include <glib-object.h>
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#include "fprintd.h"
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DBusGConnection *fprintd_dbus_conn;
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static gboolean fprint_manager_get_devices(FprintManager *manager,
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GPtrArray **devices, GError **error);
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static gboolean fprint_manager_get_default_device(FprintManager *manager,
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const char **device, GError **error);
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#include "manager-dbus-glue.h"
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static GObjectClass *parent_class = NULL;
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G_DEFINE_TYPE(FprintManager, fprint_manager, G_TYPE_OBJECT);
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typedef struct
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{
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FpContext *context;
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GSList *dev_registry;
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gboolean no_timeout;
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guint timeout_id;
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} FprintManagerPrivate;
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#define FPRINT_MANAGER_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((o), FPRINT_TYPE_MANAGER, FprintManagerPrivate))
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static void fprint_manager_finalize(GObject *object)
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{
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FprintManagerPrivate *priv = FPRINT_MANAGER_GET_PRIVATE (object);
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g_slist_free(priv->dev_registry);
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G_OBJECT_CLASS(parent_class)->finalize(object);
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}
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static void fprint_manager_class_init(FprintManagerClass *klass)
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{
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dbus_g_object_type_install_info(FPRINT_TYPE_MANAGER,
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&dbus_glib_fprint_manager_object_info);
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dbus_g_error_domain_register (FPRINT_ERROR, FPRINT_ERROR_DBUS_INTERFACE, FPRINT_TYPE_ERROR);
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g_type_class_add_private ((GObjectClass *) klass, sizeof (FprintManagerPrivate));
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G_OBJECT_CLASS(klass)->finalize = fprint_manager_finalize;
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parent_class = g_type_class_peek_parent(klass);
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}
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static gchar *get_device_path(FprintDevice *rdev)
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{
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return g_strdup_printf("/net/reactivated/Fprint/Device/%d",
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_fprint_device_get_id(rdev));
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}
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static gboolean
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fprint_manager_timeout_cb (FprintManager *manager)
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{
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//FIXME kill all the devices
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exit(0);
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return FALSE;
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}
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static void
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fprint_manager_in_use_notified (FprintDevice *rdev, GParamSpec *spec, FprintManager *manager)
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{
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FprintManagerPrivate *priv = FPRINT_MANAGER_GET_PRIVATE (manager);
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guint num_devices_used = 0;
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GSList *l;
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gboolean in_use;
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if (priv->timeout_id > 0) {
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g_source_remove (priv->timeout_id);
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priv->timeout_id = 0;
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}
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if (priv->no_timeout)
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return;
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for (l = priv->dev_registry; l != NULL; l = l->next) {
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FprintDevice *dev = l->data;
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g_object_get (G_OBJECT(dev), "in-use", &in_use, NULL);
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if (in_use != FALSE)
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num_devices_used++;
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}
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if (num_devices_used == 0)
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priv->timeout_id = g_timeout_add_seconds (TIMEOUT, (GSourceFunc) fprint_manager_timeout_cb, manager);
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}
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static void
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device_added_cb (FprintManager *manager, FpDevice *device, FpContext *context)
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{
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FprintManagerPrivate *priv = FPRINT_MANAGER_GET_PRIVATE (manager);
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FprintDevice *rdev = fprint_device_new(device);
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g_autofree gchar *path = NULL;
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g_signal_connect (G_OBJECT(rdev), "notify::in-use",
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G_CALLBACK (fprint_manager_in_use_notified), manager);
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priv->dev_registry = g_slist_prepend (priv->dev_registry, rdev);
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path = get_device_path (rdev);
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dbus_g_connection_register_g_object(fprintd_dbus_conn, path,
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G_OBJECT(rdev));
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}
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static void
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device_removed_cb (FprintManager *manager, FpDevice *device, FpContext *context)
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{
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FprintManagerPrivate *priv = FPRINT_MANAGER_GET_PRIVATE (manager);
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GSList *item;
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g_autofree gchar *path = NULL;
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for (item = priv->dev_registry; item; item = item->next) {
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FprintDevice *rdev;
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g_autoptr(FpDevice) dev = NULL;
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rdev = item->data;
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g_object_get (rdev, "dev", &dev, NULL);
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if (dev != device)
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continue;
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priv->dev_registry = g_slist_delete_link (priv->dev_registry, item);
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dbus_g_connection_unregister_g_object(fprintd_dbus_conn, G_OBJECT(rdev));
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g_signal_handlers_disconnect_by_data (rdev, manager);
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g_object_unref (rdev);
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/* We cannot continue to iterate at this point, but we don't need to either */
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break;
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}
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/* The device that disappeared might have been in-use.
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* Do we need to do anything else in this case to clean up more gracefully? */
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fprint_manager_in_use_notified (NULL, NULL, manager);
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}
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static void
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fprint_manager_init (FprintManager *manager)
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{
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FprintManagerPrivate *priv = FPRINT_MANAGER_GET_PRIVATE (manager);
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GPtrArray *devices;
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priv->context = fp_context_new ();
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/* And register the signals for initial enumeration and hotplug. */
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g_signal_connect_object (priv->context,
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"device-added",
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(GCallback) device_added_cb,
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manager,
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G_CONNECT_SWAPPED);
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g_signal_connect_object (priv->context,
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"device-removed",
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(GCallback) device_removed_cb,
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manager,
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G_CONNECT_SWAPPED);
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/* Prepare everthing by enumerating all devices. */
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fp_context_enumerate (priv->context);
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dbus_g_connection_register_g_object(fprintd_dbus_conn,
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"/net/reactivated/Fprint/Manager", G_OBJECT(manager));
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}
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FprintManager *fprint_manager_new(gboolean no_timeout)
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{
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FprintManagerPrivate *priv;
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GObject *object;
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object = g_object_new(FPRINT_TYPE_MANAGER, NULL);
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priv = FPRINT_MANAGER_GET_PRIVATE (object);
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priv->no_timeout = no_timeout;
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if (!priv->no_timeout)
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priv->timeout_id = g_timeout_add_seconds (TIMEOUT, (GSourceFunc) fprint_manager_timeout_cb, object);
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return FPRINT_MANAGER (object);
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}
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static gboolean fprint_manager_get_devices(FprintManager *manager,
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GPtrArray **devices, GError **error)
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{
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FprintManagerPrivate *priv = FPRINT_MANAGER_GET_PRIVATE (manager);
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GSList *elem;
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GSList *l;
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int num_open;
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GPtrArray *devs;
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elem = g_slist_reverse(g_slist_copy(priv->dev_registry));
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num_open = g_slist_length(elem);
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devs = g_ptr_array_sized_new(num_open);
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if (num_open > 0) {
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for (l = elem; l != NULL; l = l->next) {
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FprintDevice *rdev = l->data;
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g_ptr_array_add(devs, get_device_path(rdev));
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}
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}
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g_slist_free(elem);
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*devices = devs;
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return TRUE;
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}
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static gboolean fprint_manager_get_default_device(FprintManager *manager,
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const char **device, GError **error)
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{
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FprintManagerPrivate *priv = FPRINT_MANAGER_GET_PRIVATE (manager);
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GSList *elem;;
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int num_open;
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elem = priv->dev_registry;
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num_open = g_slist_length(elem);
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if (num_open > 0) {
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*device = get_device_path (g_slist_last (elem)->data);
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return TRUE;
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} else {
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g_set_error (error, FPRINT_ERROR, FPRINT_ERROR_NO_SUCH_DEVICE,
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"No devices available");
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*device = NULL;
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return FALSE;
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}
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}
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GQuark fprint_error_quark(void)
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{
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static GQuark quark = 0;
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if (!quark)
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quark = g_quark_from_static_string("fprintd-error-quark");
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return quark;
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}
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#define ENUM_ENTRY(NAME, DESC) { NAME, "" #NAME "", DESC }
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GType
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fprint_error_get_type (void)
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{
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static GType etype = 0;
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f1aff6 |
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if (etype == 0) {
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static const GEnumValue values[] =
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{
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ENUM_ENTRY (FPRINT_ERROR_CLAIM_DEVICE, "ClaimDevice"),
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ENUM_ENTRY (FPRINT_ERROR_ALREADY_IN_USE, "AlreadyInUse"),
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ENUM_ENTRY (FPRINT_ERROR_INTERNAL, "Internal"),
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ENUM_ENTRY (FPRINT_ERROR_PERMISSION_DENIED, "PermissionDenied"),
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ENUM_ENTRY (FPRINT_ERROR_NO_ENROLLED_PRINTS, "NoEnrolledPrints"),
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ENUM_ENTRY (FPRINT_ERROR_NO_ACTION_IN_PROGRESS, "NoActionInProgress"),
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f1aff6 |
ENUM_ENTRY (FPRINT_ERROR_INVALID_FINGERNAME, "InvalidFingername"),
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ENUM_ENTRY (FPRINT_ERROR_NO_SUCH_DEVICE, "NoSuchDevice"),
|
|
Packit Service |
f1aff6 |
{ 0, 0, 0 }
|
|
Packit Service |
f1aff6 |
};
|
|
Packit Service |
f1aff6 |
etype = g_enum_register_static ("FprintError", values);
|
|
Packit Service |
f1aff6 |
}
|
|
Packit Service |
f1aff6 |
return etype;
|
|
Packit Service |
f1aff6 |
}
|