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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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* Copyright (C) 2020 Marco Trevisan <marco.trevisan@canonical.com>
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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 <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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static void fprint_manager_constructed (GObject *object);
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static gboolean fprint_manager_get_devices (FprintManager *manager,
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GPtrArray **devices,
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GError **error);
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static gboolean fprint_manager_get_default_device (FprintManager *manager,
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const char **device,
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GError **error);
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typedef struct
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{
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GDBusConnection *connection;
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GDBusObjectManager *object_manager;
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FprintDBusManager *dbus_manager;
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FpContext *context;
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gboolean no_timeout;
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guint timeout_id;
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} FprintManagerPrivate;
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G_DEFINE_TYPE_WITH_CODE (FprintManager, fprint_manager, G_TYPE_OBJECT, G_ADD_PRIVATE (FprintManager))
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enum {
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PROP_0,
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FPRINT_MANAGER_CONNECTION,
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N_PROPS
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};
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static GParamSpec *properties[N_PROPS];
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static void
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fprint_manager_finalize (GObject *object)
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{
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FprintManagerPrivate *priv = fprint_manager_get_instance_private (FPRINT_MANAGER (object));
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g_clear_object (&priv->object_manager);
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g_clear_object (&priv->dbus_manager);
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g_clear_object (&priv->connection);
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g_clear_object (&priv->context);
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G_OBJECT_CLASS (fprint_manager_parent_class)->finalize (object);
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}
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static FprintDevice *
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fprint_dbus_object_skeleton_get_device (FprintDBusObjectSkeleton *object)
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{
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FprintDevice *rdev;
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g_object_get (object, "device", &rdev, NULL);
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return rdev;
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}
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static void
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fprint_manager_set_property (GObject *object, guint property_id,
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const GValue *value, GParamSpec *pspec)
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{
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FprintManager *self = FPRINT_MANAGER (object);
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FprintManagerPrivate *priv = fprint_manager_get_instance_private (self);
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switch (property_id)
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{
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case FPRINT_MANAGER_CONNECTION:
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priv->connection = g_value_dup_object (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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fprint_manager_get_property (GObject *object, guint property_id,
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GValue *value, GParamSpec *pspec)
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{
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FprintManager *self = FPRINT_MANAGER (object);
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FprintManagerPrivate *priv = fprint_manager_get_instance_private (self);
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switch (property_id)
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{
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case FPRINT_MANAGER_CONNECTION:
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g_value_set_object (value, priv->connection);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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fprint_manager_class_init (FprintManagerClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->constructed = fprint_manager_constructed;
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object_class->set_property = fprint_manager_set_property;
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object_class->get_property = fprint_manager_get_property;
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object_class->finalize = fprint_manager_finalize;
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properties[FPRINT_MANAGER_CONNECTION] =
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g_param_spec_object ("connection",
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"Connection",
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"Set GDBus connection property",
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G_TYPE_DBUS_CONNECTION,
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_READWRITE);
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g_object_class_install_properties (object_class, N_PROPS, properties);
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}
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static gchar *
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get_device_path (FprintDevice *rdev)
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{
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return g_strdup_printf (FPRINT_SERVICE_PATH "/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_instance_private (manager);
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guint num_devices_used = 0;
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g_autolist (GDBusObject) devices = NULL;
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GList *l;
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gboolean in_use;
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if (priv->timeout_id > 0)
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{
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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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devices = g_dbus_object_manager_get_objects (priv->object_manager);
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for (l = devices; l != NULL; l = l->next)
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{
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g_autoptr(FprintDevice) dev = NULL;
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FprintDBusObjectSkeleton *object = l->data;
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dev = fprint_dbus_object_skeleton_get_device (object);
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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 gboolean
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handle_get_devices (FprintManager *manager, GDBusMethodInvocation *invocation,
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FprintDBusManager *skeleton)
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{
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g_autoptr(GPtrArray) devices = NULL;
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g_autoptr(GError) error = NULL;
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if (!fprint_manager_get_devices (manager, &devices, &error))
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{
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g_dbus_method_invocation_return_gerror (invocation, error);
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return TRUE;
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}
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fprint_dbus_manager_complete_get_devices (skeleton, invocation,
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(const gchar *const *)
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devices->pdata);
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return TRUE;
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}
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static gboolean
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handle_get_default_device (FprintManager *manager,
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GDBusMethodInvocation *invocation,
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FprintDBusManager *skeleton)
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{
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const gchar *device;
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g_autoptr(GError) error = NULL;
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if (!fprint_manager_get_default_device (manager, &device, &error))
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{
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g_dbus_method_invocation_return_gerror (invocation, error);
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return TRUE;
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}
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fprint_dbus_manager_complete_get_default_device (skeleton, invocation,
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device);
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return TRUE;
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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_instance_private (manager);
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g_autoptr(FprintDBusObjectSkeleton) object = NULL;
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g_autoptr(FprintDevice) rdev = NULL;
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g_autofree gchar *path = NULL;
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rdev = fprint_device_new (device);
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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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path = get_device_path (rdev);
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object = fprint_dbus_object_skeleton_new (path);
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fprint_dbus_object_skeleton_set_device (object,
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FPRINT_DBUS_DEVICE (rdev));
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g_dbus_object_manager_server_export (
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G_DBUS_OBJECT_MANAGER_SERVER (priv->object_manager),
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G_DBUS_OBJECT_SKELETON (object));
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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_instance_private (manager);
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f1aff6 |
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g_autolist (FprintDBusObjectSkeleton) objects = NULL;
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GList *item;
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f1aff6 |
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objects = g_dbus_object_manager_get_objects (priv->object_manager);
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f1aff6 |
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for (item = objects; item; item = item->next)
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{
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g_autoptr(FprintDevice) rdev = NULL;
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8ebd8e |
g_autoptr(FpDevice) dev = NULL;
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FprintDBusObjectSkeleton *object = item->data;
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f1aff6 |
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rdev = fprint_dbus_object_skeleton_get_device (object);
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g_object_get (rdev, "dev", &dev, NULL);
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Packit Service |
8ebd8e |
if (dev != device)
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Packit Service |
8ebd8e |
continue;
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Packit Service |
f1aff6 |
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Packit Service |
8ebd8e |
g_dbus_object_manager_server_unexport (
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Packit Service |
8ebd8e |
G_DBUS_OBJECT_MANAGER_SERVER (priv->object_manager),
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8ebd8e |
g_dbus_interface_skeleton_get_object_path (G_DBUS_INTERFACE_SKELETON (rdev)));
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Packit Service |
f1aff6 |
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|
Packit Service |
8ebd8e |
g_signal_handlers_disconnect_by_data (rdev, manager);
|
|
Packit Service |
f1aff6 |
|
|
Packit Service |
8ebd8e |
/* We cannot continue to iterate at this point, but we don't need to either */
|
|
Packit Service |
8ebd8e |
break;
|
|
Packit Service |
8ebd8e |
}
|
|
Packit Service |
f1aff6 |
|
|
Packit Service |
8ebd8e |
/* The device that disappeared might have been in-use.
|
|
Packit Service |
8ebd8e |
* Do we need to do anything else in this case to clean up more gracefully? */
|
|
Packit Service |
8ebd8e |
fprint_manager_in_use_notified (NULL, NULL, manager);
|
|
Packit Service |
8ebd8e |
}
|
|
Packit Service |
f1aff6 |
|
|
Packit Service |
8ebd8e |
static void
|
|
Packit Service |
8ebd8e |
fprint_manager_constructed (GObject *object)
|
|
Packit Service |
8ebd8e |
{
|
|
Packit Service |
8ebd8e |
FprintManager *manager = FPRINT_MANAGER (object);
|
|
Packit Service |
8ebd8e |
FprintManagerPrivate *priv = fprint_manager_get_instance_private (manager);
|
|
Packit Service |
8ebd8e |
GDBusObjectManagerServer *object_manager_server;
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
object_manager_server =
|
|
Packit Service |
8ebd8e |
g_dbus_object_manager_server_new (FPRINT_SERVICE_PATH);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
priv->object_manager = G_DBUS_OBJECT_MANAGER (object_manager_server);
|
|
Packit Service |
8ebd8e |
priv->dbus_manager = fprint_dbus_manager_skeleton_new ();
|
|
Packit Service |
8ebd8e |
priv->context = fp_context_new ();
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
g_signal_connect_object (priv->dbus_manager,
|
|
Packit Service |
8ebd8e |
"handle-get-devices",
|
|
Packit Service |
8ebd8e |
G_CALLBACK (handle_get_devices),
|
|
Packit Service |
8ebd8e |
manager,
|
|
Packit Service |
8ebd8e |
G_CONNECT_SWAPPED);
|
|
Packit Service |
8ebd8e |
g_signal_connect_object (priv->dbus_manager,
|
|
Packit Service |
8ebd8e |
"handle-get-default-device",
|
|
Packit Service |
8ebd8e |
G_CALLBACK (handle_get_default_device),
|
|
Packit Service |
8ebd8e |
manager,
|
|
Packit Service |
8ebd8e |
G_CONNECT_SWAPPED);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (priv->dbus_manager),
|
|
Packit Service |
8ebd8e |
priv->connection,
|
|
Packit Service |
8ebd8e |
FPRINT_SERVICE_PATH "/Manager", NULL);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
g_dbus_object_manager_server_set_connection (object_manager_server,
|
|
Packit Service |
8ebd8e |
priv->connection);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
/* And register the signals for initial enumeration and hotplug. */
|
|
Packit Service |
8ebd8e |
g_signal_connect_object (priv->context,
|
|
Packit Service |
8ebd8e |
"device-added",
|
|
Packit Service |
8ebd8e |
(GCallback) device_added_cb,
|
|
Packit Service |
8ebd8e |
manager,
|
|
Packit Service |
8ebd8e |
G_CONNECT_SWAPPED);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
g_signal_connect_object (priv->context,
|
|
Packit Service |
8ebd8e |
"device-removed",
|
|
Packit Service |
8ebd8e |
(GCallback) device_removed_cb,
|
|
Packit Service |
8ebd8e |
manager,
|
|
Packit Service |
8ebd8e |
G_CONNECT_SWAPPED);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
/* Prepare everything by enumerating all devices.
|
|
Packit Service |
8ebd8e |
* This blocks the main loop until the existing devices are enumerated
|
|
Packit Service |
8ebd8e |
*/
|
|
Packit Service |
8ebd8e |
fp_context_enumerate (priv->context);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
G_OBJECT_CLASS (fprint_manager_parent_class)->constructed (object);
|
|
Packit Service |
f1aff6 |
}
|
|
Packit Service |
f1aff6 |
|
|
Packit Service |
8ebd8e |
static void
|
|
Packit Service |
8ebd8e |
fprint_manager_init (FprintManager *manager)
|
|
Packit Service |
f1aff6 |
{
|
|
Packit Service |
f1aff6 |
}
|
|
Packit Service |
f1aff6 |
|
|
Packit Service |
8ebd8e |
FprintManager *
|
|
Packit Service |
8ebd8e |
fprint_manager_new (GDBusConnection *connection, gboolean no_timeout)
|
|
Packit Service |
f1aff6 |
{
|
|
Packit Service |
8ebd8e |
FprintManagerPrivate *priv;
|
|
Packit Service |
8ebd8e |
GObject *object;
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
object = g_object_new (FPRINT_TYPE_MANAGER, "connection", connection, NULL);
|
|
Packit Service |
8ebd8e |
priv = fprint_manager_get_instance_private (FPRINT_MANAGER (object));
|
|
Packit Service |
8ebd8e |
priv->no_timeout = no_timeout;
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
if (!priv->no_timeout)
|
|
Packit Service |
8ebd8e |
priv->timeout_id = g_timeout_add_seconds (TIMEOUT, (GSourceFunc) fprint_manager_timeout_cb, object);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
return FPRINT_MANAGER (object);
|
|
Packit Service |
f1aff6 |
}
|
|
Packit Service |
f1aff6 |
|
|
Packit Service |
8ebd8e |
static gboolean
|
|
Packit Service |
8ebd8e |
fprint_manager_get_devices (FprintManager *manager,
|
|
Packit Service |
8ebd8e |
GPtrArray **devices, GError **error)
|
|
Packit Service |
f1aff6 |
{
|
|
Packit Service |
8ebd8e |
FprintManagerPrivate *priv = fprint_manager_get_instance_private (manager);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
g_autolist (FprintDBusObjectSkeleton) objects = NULL;
|
|
Packit Service |
8ebd8e |
GList *l;
|
|
Packit Service |
8ebd8e |
int num_open;
|
|
Packit Service |
8ebd8e |
GPtrArray *devs;
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
objects = g_dbus_object_manager_get_objects (priv->object_manager);
|
|
Packit Service |
8ebd8e |
objects = g_list_reverse (objects);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
num_open = g_list_length (objects);
|
|
Packit Service |
8ebd8e |
devs = g_ptr_array_sized_new (num_open);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
if (num_open > 0)
|
|
Packit Service |
8ebd8e |
{
|
|
Packit Service |
8ebd8e |
for (l = objects; l != NULL; l = l->next)
|
|
Packit Service |
8ebd8e |
{
|
|
Packit Service |
8ebd8e |
g_autoptr(FprintDevice) rdev = NULL;
|
|
Packit Service |
8ebd8e |
FprintDBusObjectSkeleton *object = l->data;
|
|
Packit Service |
8ebd8e |
const char *path;
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
rdev = fprint_dbus_object_skeleton_get_device (object);
|
|
Packit Service |
8ebd8e |
path = g_dbus_interface_skeleton_get_object_path (
|
|
Packit Service |
8ebd8e |
G_DBUS_INTERFACE_SKELETON (rdev));
|
|
Packit Service |
8ebd8e |
g_ptr_array_add (devs, (char *) path);
|
|
Packit Service |
8ebd8e |
}
|
|
Packit Service |
8ebd8e |
}
|
|
Packit Service |
8ebd8e |
g_ptr_array_add (devs, NULL);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
*devices = devs;
|
|
Packit Service |
8ebd8e |
return TRUE;
|
|
Packit Service |
f1aff6 |
}
|
|
Packit Service |
f1aff6 |
|
|
Packit Service |
8ebd8e |
static gboolean
|
|
Packit Service |
8ebd8e |
fprint_manager_get_default_device (FprintManager *manager,
|
|
Packit Service |
8ebd8e |
const char **device, GError **error)
|
|
Packit Service |
f1aff6 |
{
|
|
Packit Service |
8ebd8e |
FprintManagerPrivate *priv = fprint_manager_get_instance_private (manager);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
g_autolist (FprintDBusObjectSkeleton) objects = NULL;
|
|
Packit Service |
8ebd8e |
int num_open;
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
objects = g_dbus_object_manager_get_objects (priv->object_manager);
|
|
Packit Service |
8ebd8e |
num_open = g_list_length (objects);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
if (num_open > 0)
|
|
Packit Service |
8ebd8e |
{
|
|
Packit Service |
8ebd8e |
g_autoptr(FprintDevice) rdev = NULL;
|
|
Packit Service |
8ebd8e |
FprintDBusObjectSkeleton *object = g_list_last (objects)->data;
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
rdev = fprint_dbus_object_skeleton_get_device (object);
|
|
Packit Service |
8ebd8e |
*device = g_dbus_interface_skeleton_get_object_path (
|
|
Packit Service |
8ebd8e |
G_DBUS_INTERFACE_SKELETON (rdev));
|
|
Packit Service |
8ebd8e |
return TRUE;
|
|
Packit Service |
8ebd8e |
}
|
|
Packit Service |
8ebd8e |
else
|
|
Packit Service |
8ebd8e |
{
|
|
Packit Service |
8ebd8e |
g_set_error (error, FPRINT_ERROR, FPRINT_ERROR_NO_SUCH_DEVICE,
|
|
Packit Service |
8ebd8e |
"No devices available");
|
|
Packit Service |
8ebd8e |
*device = NULL;
|
|
Packit Service |
8ebd8e |
return FALSE;
|
|
Packit Service |
8ebd8e |
}
|
|
Packit Service |
8ebd8e |
}
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
GQuark
|
|
Packit Service |
8ebd8e |
fprint_error_quark (void)
|
|
Packit Service |
8ebd8e |
{
|
|
Packit Service |
8ebd8e |
static volatile gsize quark = 0;
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
if (g_once_init_enter (&quark))
|
|
Packit Service |
8ebd8e |
{
|
|
Packit Service |
8ebd8e |
g_autoptr(GEnumClass) errors_enum = NULL;
|
|
Packit Service |
8ebd8e |
GQuark domain;
|
|
Packit Service |
8ebd8e |
unsigned i;
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
domain = g_quark_from_static_string ("fprintd-error-quark");
|
|
Packit Service |
8ebd8e |
errors_enum = g_type_class_ref (FPRINT_TYPE_ERROR);
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
for (i = 0; i < errors_enum->n_values; ++i)
|
|
Packit Service |
8ebd8e |
{
|
|
Packit Service |
8ebd8e |
GEnumValue *value = &errors_enum->values[i];
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
g_dbus_error_register_error (domain, value->value,
|
|
Packit Service |
8ebd8e |
value->value_nick);
|
|
Packit Service |
8ebd8e |
}
|
|
Packit Service |
8ebd8e |
|
|
Packit Service |
8ebd8e |
g_once_init_leave (&quark, domain);
|
|
Packit Service |
8ebd8e |
}
|
|
Packit Service |
8ebd8e |
return (GQuark) quark;
|
|
Packit Service |
f1aff6 |
}
|