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/*
Copyright 2011 Canonical Ltd.
Authors:
Conor Curran <conor.curran@canonical.com>
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License version 3, as published
by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranties of
MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
*/
#include <gudev/gudev.h>
// TEMP
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include "udev-mgr.h"
#include "sane-rules.h"
static void udevice_mgr_device_list_iterator (gpointer data,
gpointer userdata);
static void udev_mgr_uevent_cb (GUdevClient *client,
gchar *action,
GUdevDevice *device,
gpointer user_data);
static void udev_mgr_update_menuitems (UdevMgr* self);
struct _UdevMgr
{
GObject parent_instance;
DbusmenuMenuitem* scanner_item;
DbusmenuMenuitem* webcam_item;
GUdevClient* client;
GHashTable* supported_scanners;
gint scanners_present;
};
const char *subsystems[1] = {"usb"};
const gchar* usb_subsystem = "usb";
G_DEFINE_TYPE (UdevMgr, udev_mgr, G_TYPE_OBJECT);
/*static void
test_usb_scanners(gpointer data, gpointer user_data)
{
gchar* model = (gchar*)data;
g_debug ("in hash table for epsom model %s was found", model);
}*/
static void
udev_mgr_init (UdevMgr* self)
{
self->client = NULL;
self->supported_scanners = NULL;
self->scanners_present = 0;
self->client = g_udev_client_new (subsystems);
self->supported_scanners = g_hash_table_new (g_str_hash, g_str_equal);
populate_usb_scanners(self->supported_scanners);
g_signal_connect (G_OBJECT (self->client),
"uevent",
G_CALLBACK (udev_mgr_uevent_cb),
self);
}
static void
udev_mgr_finalize (GObject *object)
{
G_OBJECT_CLASS (udev_mgr_parent_class)->finalize (object);
}
static void
udev_mgr_class_init (UdevMgrClass *klass)
{
GObjectClass* object_class = G_OBJECT_CLASS (klass);
object_class->finalize = udev_mgr_finalize;
}
static void
udevice_mgr_device_list_iterator (gpointer data, gpointer userdata)
{
g_return_if_fail (G_UDEV_IS_DEVICE (data));
g_return_if_fail (UDEV_IS_MGR (userdata));
UdevMgr* self = UDEV_MGR (userdata);
GUdevDevice* device = G_UDEV_DEVICE (data);
const gchar* vendor = NULL;
const gchar* product = NULL;
GList* vendor_list = NULL;
vendor = g_udev_device_get_property (device, "ID_VENDOR_ID");
if (vendor == NULL){
g_object_unref (device);
return;
}
product = g_udev_device_get_property (device, "ID_MODEL_ID");
vendor_list = g_hash_table_lookup(self->supported_scanners, (gpointer)vendor);
GList* model = NULL;
if (vendor_list != NULL){
model = g_list_find_custom(vendor_list, product, (GCompareFunc)g_strcmp0);
if (model == NULL){
g_debug ("CANT FIND THE MODEL %s FOR VENDOR %s", product, vendor);
}
else{
self->scanners_present += 1;
g_debug ("WE HAVE A SUCCESSFUL MATCH!");
}
}
g_debug ("JUST SET SCANNERS TO TRUE");
g_object_unref (device);
}
static void udev_mgr_update_menuitems (UdevMgr* self)
{
dbusmenu_menuitem_property_set_bool (self->scanner_item,
DBUSMENU_MENUITEM_PROP_VISIBLE,
self->scanners_present > 0);
}
static void udev_mgr_uevent_cb (GUdevClient *client,
gchar *action,
GUdevDevice *device,
gpointer user_data)
{
g_return_if_fail (UDEV_IS_MGR (user_data));
g_debug ("just received a UEVENT with an action : %s", action);
const gchar* vendor;
const gchar* product;
const gchar* number;
vendor = g_udev_device_get_property (device, "ID_VENDOR_ID");
product = g_udev_device_get_property (device, "ID_MODEL_ID");
number = g_udev_device_get_number (device);
g_debug ("device vendor id %s and product id of %s and number of %s",
g_strdup(vendor),
g_strdup(product),
g_strdup(number));
const gchar *const *list;
const gchar *const *iter;
char propstr[500];
guint32 namelen = 0, i;
list = g_udev_device_get_property_keys(device);
for (iter = list; iter && *iter; iter++) {
if (strlen(*iter) > namelen)
namelen = strlen(*iter);
}
namelen++;
for (iter = list; iter && *iter; iter++) {
strcpy(propstr, *iter);
strcat(propstr, ":");
for (i = 0; i < namelen - strlen(*iter); i++)
strcat(propstr, " ");
strcat(propstr, g_udev_device_get_property(device, *iter));
g_debug("%s", propstr);
}
}
static gboolean
udev_mgr_is_this_a_supported_scanner (UdevMgr* self,
GUdevDevice *device)
{
}
UdevMgr* udev_mgr_new (DbusmenuMenuitem* scanner,
DbusmenuMenuitem* webcam)
{
UdevMgr* mgr = g_object_new (UDEV_TYPE_MGR, NULL);
mgr->scanner_item = scanner;
mgr->webcam_item = webcam;
GList* devices_available = g_udev_client_query_by_subsystem (mgr->client,
usb_subsystem);
g_list_foreach (devices_available,
udevice_mgr_device_list_iterator,
mgr);
g_list_free (devices_available);
udev_mgr_update_menuitems (mgr);
return mgr;
}
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