/* colord.c
*
* Copyright (C) 2011 Richard Hughes <richard@hughsie.com>
*
* This file is part of foomatic-rip.
*
* Foomatic-rip 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.
*
* Foomatic-rip 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 Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* Common routines for accessing the colord CMS framework */
#include <dbus/dbus.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "colord.h"
#define QUAL_COLORSPACE 0
#define QUAL_MEDIA 1
#define QUAL_RESOLUTION 2
#define QUAL_SIZE 3
static char *
get_filename_for_profile_path (DBusConnection *con,
const char *object_path)
{
char *filename = NULL;
const char *interface = "org.freedesktop.ColorManager.Profile";
const char *property = "Filename";
const char *tmp;
DBusError error;
DBusMessageIter args;
DBusMessage *message = NULL;
DBusMessage *reply = NULL;
DBusMessageIter sub;
message = dbus_message_new_method_call("org.freedesktop.ColorManager",
object_path,
"org.freedesktop.DBus.Properties",
"Get");
dbus_message_iter_init_append(message, &args);
dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &interface);
dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &property);
/* send syncronous */
dbus_error_init(&error);
fprintf(stderr, "DEBUG: Calling %s.Get(%s)\n", interface, property);
reply = dbus_connection_send_with_reply_and_block(con,
message,
-1,
&error);
if (reply == NULL) {
fprintf(stderr, "DEBUG: Failed to send: %s:%s\n",
error.name, error.message);
dbus_error_free(&error);
goto out;
}
/* get reply data */
dbus_message_iter_init(reply, &args);
if (dbus_message_iter_get_arg_type(&args) != DBUS_TYPE_VARIANT) {
fprintf(stderr, "DEBUG: Incorrect reply type\n");
goto out;
}
dbus_message_iter_recurse(&args, &sub);
dbus_message_iter_get_basic(&sub, &tmp);
filename = strdup(tmp);
out:
if (message != NULL)
dbus_message_unref(message);
if (reply != NULL)
dbus_message_unref(reply);
return filename;
}
static char *
get_profile_for_device_path (DBusConnection *con,
const char *object_path,
const char **split)
{
char **key = NULL;
char *profile = NULL;
char str[256];
const char *tmp;
DBusError error;
DBusMessageIter args;
DBusMessageIter entry;
DBusMessage *message = NULL;
DBusMessage *reply = NULL;
int i = 0;
const int max_keys = 7;
message = dbus_message_new_method_call("org.freedesktop.ColorManager",
object_path,
"org.freedesktop.ColorManager.Device",
"GetProfileForQualifiers");
dbus_message_iter_init_append(message, &args);
/* create the fallbacks */
key = calloc(max_keys + 1, sizeof(char*));
/* exact match */
i = 0;
snprintf(str, sizeof(str), "%s.%s.%s",
split[QUAL_COLORSPACE],
split[QUAL_MEDIA],
split[QUAL_RESOLUTION]);
key[i++] = strdup(str);
snprintf(str, sizeof(str), "%s.%s.*",
split[QUAL_COLORSPACE],
split[QUAL_MEDIA]);
key[i++] = strdup(str);
snprintf(str, sizeof(str), "%s.*.%s",
split[QUAL_COLORSPACE],
split[QUAL_RESOLUTION]);
key[i++] = strdup(str);
snprintf(str, sizeof(str), "%s.*.*",
split[QUAL_COLORSPACE]);
key[i++] = strdup(str);
key[i++] = strdup("*");
dbus_message_iter_open_container(&args,
DBUS_TYPE_ARRAY,
"s",
&entry);
for (i=0; key[i] != NULL; i++) {
dbus_message_iter_append_basic(&entry,
DBUS_TYPE_STRING,
&key[i]);
}
dbus_message_iter_close_container(&args, &entry);
/* send syncronous */
dbus_error_init(&error);
fprintf(stderr, "DEBUG: Calling GetProfileForQualifiers(%s...)\n", key[0]);
reply = dbus_connection_send_with_reply_and_block(con,
message,
-1,
&error);
if (reply == NULL) {
fprintf(stderr, "DEBUG: Failed to send: %s:%s\n",
error.name, error.message);
dbus_error_free(&error);
goto out;
}
/* get reply data */
dbus_message_iter_init(reply, &args);
if (dbus_message_iter_get_arg_type(&args) != DBUS_TYPE_OBJECT_PATH) {
fprintf(stderr, "DEBUG: Incorrect reply type\n");
goto out;
}
dbus_message_iter_get_basic(&args, &tmp);
fprintf(stderr, "DEBUG: Found profile %s\n", tmp);
/* get filename */
profile = get_filename_for_profile_path(con, tmp);
out:
if (message != NULL)
dbus_message_unref(message);
if (reply != NULL)
dbus_message_unref(reply);
if (key != NULL) {
for (i=0; i < max_keys; i++)
free(key[i]);
free(key);
}
return profile;
}
static char *
get_profile_for_device_id (DBusConnection *con,
const char *device_id,
const char **qualifier_tuple)
{
char *profile = NULL;
const char *device_path_tmp;
DBusError error;
DBusMessageIter args;
DBusMessage *message = NULL;
DBusMessage *reply = NULL;
message = dbus_message_new_method_call("org.freedesktop.ColorManager",
"/org/freedesktop/ColorManager",
"org.freedesktop.ColorManager",
"FindDeviceById");
dbus_message_iter_init_append(message, &args);
dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &device_id);
/* send syncronous */
dbus_error_init(&error);
fprintf(stderr, "DEBUG: Calling FindDeviceById(%s)\n", device_id);
reply = dbus_connection_send_with_reply_and_block(con,
message,
-1,
&error);
if (reply == NULL) {
fprintf(stderr, "DEBUG: Failed to send: %s:%s\n",
error.name, error.message);
dbus_error_free(&error);
goto out;
}
/* get reply data */
dbus_message_iter_init(reply, &args);
if (dbus_message_iter_get_arg_type(&args) != DBUS_TYPE_OBJECT_PATH) {
fprintf(stderr, "DEBUG: Incorrect reply type\n");
goto out;
}
dbus_message_iter_get_basic(&args, &device_path_tmp);
fprintf(stderr, "DEBUG: Found device %s\n", device_path_tmp);
profile = get_profile_for_device_path(con, device_path_tmp, qualifier_tuple);
out:
if (message != NULL)
dbus_message_unref(message);
if (reply != NULL)
dbus_message_unref(reply);
return profile;
}
char *
colord_get_profile_for_device_id (const char *device_id,
const char **qualifier_tuple)
{
DBusConnection *con;
char *filename = NULL;
/* connect to system bus */
con = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
if (con == NULL) {
fprintf(stderr, "ERROR: Failed to connect to system bus\n");
goto out;
}
/* get the best profile for the device */
filename = get_profile_for_device_id (con, device_id, qualifier_tuple);
if (filename == NULL) {
fprintf(stderr, "DEBUG: Failed to get profile filename!\n");
goto out;
}
fprintf(stderr, "DEBUG: Use profile filename: '%s'\n", filename);
out:
if (con != NULL)
dbus_connection_unref(con);
return filename;
}