M7350/external/bluetooth/bluez/tools/mpris-player.c
2024-09-09 08:57:42 +00:00

2594 lines
62 KiB
C

/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
*
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#include <getopt.h>
#include <string.h>
#include <inttypes.h>
#include <dbus/dbus.h>
#include <glib.h>
#include <gdbus/gdbus.h>
#define BLUEZ_BUS_NAME "org.bluez"
#define BLUEZ_PATH "/org/bluez"
#define BLUEZ_ADAPTER_INTERFACE "org.bluez.Adapter1"
#define BLUEZ_MEDIA_INTERFACE "org.bluez.Media1"
#define BLUEZ_MEDIA_PLAYER_INTERFACE "org.bluez.MediaPlayer1"
#define BLUEZ_MEDIA_FOLDER_INTERFACE "org.bluez.MediaFolder1"
#define BLUEZ_MEDIA_ITEM_INTERFACE "org.bluez.MediaItem1"
#define BLUEZ_MEDIA_TRANSPORT_INTERFACE "org.bluez.MediaTransport1"
#define MPRIS_BUS_NAME "org.mpris.MediaPlayer2."
#define MPRIS_INTERFACE "org.mpris.MediaPlayer2"
#define MPRIS_PLAYER_INTERFACE "org.mpris.MediaPlayer2.Player"
#define MPRIS_TRACKLIST_INTERFACE "org.mpris.MediaPlayer2.TrackList"
#define MPRIS_PLAYLISTS_INTERFACE "org.mpris.MediaPlayer2.Playlists"
#define MPRIS_PLAYER_PATH "/org/mpris/MediaPlayer2"
#define ERROR_INTERFACE "org.mpris.MediaPlayer2.Error"
static GMainLoop *main_loop;
static GDBusProxy *adapter = NULL;
static DBusConnection *sys = NULL;
static DBusConnection *session = NULL;
static GDBusClient *client = NULL;
static GSList *players = NULL;
static GSList *transports = NULL;
static gboolean option_version = FALSE;
static gboolean option_export = FALSE;
struct tracklist {
GDBusProxy *proxy;
GSList *items;
};
struct player {
char *bus_name;
DBusConnection *conn;
GDBusProxy *proxy;
GDBusProxy *folder;
GDBusProxy *device;
GDBusProxy *transport;
GDBusProxy *playlist;
struct tracklist *tracklist;
};
typedef int (* parse_metadata_func) (DBusMessageIter *iter, const char *key,
DBusMessageIter *metadata);
static void dict_append_entry(DBusMessageIter *dict, const char *key, int type,
void *val);
static void sig_term(int sig)
{
g_main_loop_quit(main_loop);
}
static DBusMessage *get_all(DBusConnection *conn, const char *name)
{
DBusMessage *msg, *reply;
DBusError err;
const char *iface = MPRIS_PLAYER_INTERFACE;
msg = dbus_message_new_method_call(name, MPRIS_PLAYER_PATH,
DBUS_INTERFACE_PROPERTIES, "GetAll");
if (!msg) {
fprintf(stderr, "Can't allocate new method call\n");
return NULL;
}
dbus_message_append_args(msg, DBUS_TYPE_STRING, &iface,
DBUS_TYPE_INVALID);
dbus_error_init(&err);
reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, &err);
dbus_message_unref(msg);
if (!reply) {
if (dbus_error_is_set(&err)) {
fprintf(stderr, "%s\n", err.message);
dbus_error_free(&err);
}
return NULL;
}
return reply;
}
static void append_variant(DBusMessageIter *iter, int type, void *val)
{
DBusMessageIter value;
char sig[2] = { type, '\0' };
dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, sig, &value);
dbus_message_iter_append_basic(&value, type, val);
dbus_message_iter_close_container(iter, &value);
}
static void append_array_variant(DBusMessageIter *iter, int type, void *val,
int n_elements)
{
DBusMessageIter variant, array;
char type_sig[2] = { type, '\0' };
char array_sig[3] = { DBUS_TYPE_ARRAY, type, '\0' };
dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
array_sig, &variant);
dbus_message_iter_open_container(&variant, DBUS_TYPE_ARRAY,
type_sig, &array);
if (dbus_type_is_fixed(type) == TRUE) {
dbus_message_iter_append_fixed_array(&array, type, val,
n_elements);
} else if (type == DBUS_TYPE_STRING || type == DBUS_TYPE_OBJECT_PATH) {
const char ***str_array = val;
int i;
for (i = 0; i < n_elements; i++)
dbus_message_iter_append_basic(&array, type,
&((*str_array)[i]));
}
dbus_message_iter_close_container(&variant, &array);
dbus_message_iter_close_container(iter, &variant);
}
static void dict_append_array(DBusMessageIter *dict, const char *key, int type,
void *val, int n_elements)
{
DBusMessageIter entry;
dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
NULL, &entry);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
append_array_variant(&entry, type, val, n_elements);
dbus_message_iter_close_container(dict, &entry);
}
static void append_basic(DBusMessageIter *base, DBusMessageIter *iter,
int type)
{
const void *value;
dbus_message_iter_get_basic(iter, &value);
dbus_message_iter_append_basic(base, type, &value);
}
static void append_iter(DBusMessageIter *base, DBusMessageIter *iter);
static void append_container(DBusMessageIter *base, DBusMessageIter *iter,
int type)
{
DBusMessageIter iter_sub, base_sub;
char *sig;
dbus_message_iter_recurse(iter, &iter_sub);
switch (type) {
case DBUS_TYPE_ARRAY:
case DBUS_TYPE_VARIANT:
sig = dbus_message_iter_get_signature(&iter_sub);
break;
default:
sig = NULL;
break;
}
dbus_message_iter_open_container(base, type, sig, &base_sub);
if (sig != NULL)
dbus_free(sig);
append_iter(&base_sub, &iter_sub);
dbus_message_iter_close_container(base, &base_sub);
}
static void append_iter(DBusMessageIter *base, DBusMessageIter *iter)
{
int type;
while ((type = dbus_message_iter_get_arg_type(iter)) !=
DBUS_TYPE_INVALID) {
if (dbus_type_is_basic(type))
append_basic(base, iter, type);
else if (dbus_type_is_container(type))
append_container(base, iter, type);
dbus_message_iter_next(iter);
}
}
static void dict_append_iter(DBusMessageIter *dict, const char *key,
DBusMessageIter *iter)
{
DBusMessageIter entry;
dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
NULL, &entry);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
append_iter(&entry, iter);
dbus_message_iter_close_container(dict, &entry);
}
static int parse_metadata_entry(DBusMessageIter *entry, const char *key,
DBusMessageIter *metadata)
{
if (dbus_message_iter_get_arg_type(entry) != DBUS_TYPE_VARIANT)
return -EINVAL;
dict_append_iter(metadata, key, entry);
return 0;
}
static int parse_metadata(DBusMessageIter *args, DBusMessageIter *metadata,
parse_metadata_func func)
{
DBusMessageIter dict;
int ctype;
ctype = dbus_message_iter_get_arg_type(args);
if (ctype != DBUS_TYPE_ARRAY)
return -EINVAL;
dbus_message_iter_recurse(args, &dict);
while ((ctype = dbus_message_iter_get_arg_type(&dict)) !=
DBUS_TYPE_INVALID) {
DBusMessageIter entry;
const char *key;
if (ctype != DBUS_TYPE_DICT_ENTRY)
return -EINVAL;
dbus_message_iter_recurse(&dict, &entry);
if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
return -EINVAL;
dbus_message_iter_get_basic(&entry, &key);
dbus_message_iter_next(&entry);
if (func(&entry, key, metadata) < 0)
return -EINVAL;
dbus_message_iter_next(&dict);
}
return 0;
}
static void append_metadata(DBusMessageIter *iter, DBusMessageIter *dict,
parse_metadata_func func)
{
DBusMessageIter value, metadata;
dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, "a{sv}",
&value);
dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &metadata);
parse_metadata(dict, &metadata, func);
dbus_message_iter_close_container(&value, &metadata);
dbus_message_iter_close_container(iter, &value);
}
static void dict_append_entry(DBusMessageIter *dict, const char *key, int type,
void *val)
{
DBusMessageIter entry;
if (type == DBUS_TYPE_STRING) {
const char *str = *((const char **) val);
if (str == NULL)
return;
}
dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
NULL, &entry);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
if (strcasecmp(key, "Metadata") == 0)
append_metadata(&entry, val, parse_metadata_entry);
else
append_variant(&entry, type, val);
dbus_message_iter_close_container(dict, &entry);
}
static char *sender2path(const char *sender)
{
char *path;
path = g_strconcat("/", sender, NULL);
return g_strdelimit(path, ":.", '_');
}
static void copy_reply(DBusPendingCall *call, void *user_data)
{
DBusMessage *msg = user_data;
DBusMessage *reply = dbus_pending_call_steal_reply(call);
DBusMessage *copy;
DBusMessageIter args, iter;
copy = dbus_message_new_method_return(msg);
if (copy == NULL) {
dbus_message_unref(reply);
return;
}
dbus_message_iter_init_append(copy, &iter);
if (!dbus_message_iter_init(reply, &args))
goto done;
append_iter(&iter, &args);
dbus_connection_send(sys, copy, NULL);
done:
dbus_message_unref(copy);
dbus_message_unref(reply);
}
static DBusHandlerResult player_message(DBusConnection *conn,
DBusMessage *msg, void *data)
{
char *owner = data;
DBusMessage *copy;
DBusMessageIter args, iter;
DBusPendingCall *call;
dbus_message_iter_init(msg, &args);
copy = dbus_message_new_method_call(owner,
MPRIS_PLAYER_PATH,
dbus_message_get_interface(msg),
dbus_message_get_member(msg));
if (copy == NULL)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
dbus_message_iter_init_append(copy, &iter);
append_iter(&iter, &args);
if (!dbus_connection_send_with_reply(session, copy, &call, -1))
goto done;
dbus_message_ref(msg);
dbus_pending_call_set_notify(call, copy_reply, msg, NULL);
dbus_pending_call_unref(call);
done:
dbus_message_unref(copy);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static struct player *find_player_by_bus_name(const char *name)
{
GSList *l;
for (l = players; l; l = l->next) {
struct player *player = l->data;
if (strcmp(player->bus_name, name) == 0)
return player;
}
return NULL;
}
static const DBusObjectPathVTable player_table = {
.message_function = player_message,
};
static void add_player(DBusConnection *conn, const char *name,
const char *sender)
{
DBusMessage *reply = NULL;
DBusMessage *msg;
DBusMessageIter iter, args;
DBusError err;
char *path, *owner;
struct player *player;
if (!adapter)
return;
player = find_player_by_bus_name(name);
if (player == NULL) {
reply = get_all(conn, name);
if (reply == NULL)
return;
dbus_message_iter_init(reply, &args);
}
msg = dbus_message_new_method_call(BLUEZ_BUS_NAME,
g_dbus_proxy_get_path(adapter),
BLUEZ_MEDIA_INTERFACE,
"RegisterPlayer");
if (!msg) {
fprintf(stderr, "Can't allocate new method call\n");
return;
}
path = sender2path(sender);
dbus_connection_get_object_path_data(sys, path, (void **) &owner);
if (owner != NULL)
goto done;
dbus_message_iter_init_append(msg, &iter);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
if (player != NULL) {
if (!g_dbus_get_properties(player->conn,
MPRIS_PLAYER_PATH,
MPRIS_PLAYER_INTERFACE,
&iter))
goto done;
} else {
append_iter(&iter, &args);
dbus_message_unref(reply);
}
dbus_error_init(&err);
owner = strdup(sender);
if (!dbus_connection_register_object_path(sys, path, &player_table,
owner)) {
fprintf(stderr, "Can't register object path for player\n");
free(owner);
goto done;
}
reply = dbus_connection_send_with_reply_and_block(sys, msg, -1, &err);
if (!reply) {
fprintf(stderr, "Can't register player\n");
free(owner);
if (dbus_error_is_set(&err)) {
fprintf(stderr, "%s\n", err.message);
dbus_error_free(&err);
}
}
done:
if (reply)
dbus_message_unref(reply);
dbus_message_unref(msg);
g_free(path);
}
static void remove_player(DBusConnection *conn, const char *sender)
{
DBusMessage *msg;
char *path, *owner;
if (!adapter)
return;
path = sender2path(sender);
dbus_connection_get_object_path_data(sys, path, (void **) &owner);
if (owner == NULL) {
g_free(path);
return;
}
msg = dbus_message_new_method_call(BLUEZ_BUS_NAME,
g_dbus_proxy_get_path(adapter),
BLUEZ_MEDIA_INTERFACE,
"UnregisterPlayer");
if (!msg) {
fprintf(stderr, "Can't allocate new method call\n");
g_free(path);
return;
}
dbus_message_append_args(msg, DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID);
dbus_connection_send(sys, msg, NULL);
dbus_connection_unregister_object_path(sys, path);
dbus_message_unref(msg);
g_free(path);
g_free(owner);
}
static gboolean player_signal(DBusConnection *conn, DBusMessage *msg,
void *user_data)
{
DBusMessage *signal;
DBusMessageIter iter, args;
char *path, *owner;
dbus_message_iter_init(msg, &iter);
path = sender2path(dbus_message_get_sender(msg));
dbus_connection_get_object_path_data(sys, path, (void **) &owner);
if (owner == NULL)
goto done;
signal = dbus_message_new_signal(path, dbus_message_get_interface(msg),
dbus_message_get_member(msg));
if (signal == NULL) {
fprintf(stderr, "Unable to allocate new %s.%s signal",
dbus_message_get_interface(msg),
dbus_message_get_member(msg));
goto done;
}
dbus_message_iter_init_append(signal, &args);
append_iter(&args, &iter);
dbus_connection_send(sys, signal, NULL);
dbus_message_unref(signal);
done:
g_free(path);
return TRUE;
}
static gboolean name_owner_changed(DBusConnection *conn,
DBusMessage *msg, void *data)
{
const char *name, *old, *new;
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_STRING, &name,
DBUS_TYPE_STRING, &old,
DBUS_TYPE_STRING, &new,
DBUS_TYPE_INVALID)) {
fprintf(stderr, "Invalid arguments for NameOwnerChanged signal");
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
if (!g_str_has_prefix(name, "org.mpris"))
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
if (*new == '\0') {
printf("player %s at %s disappear\n", name, old);
remove_player(conn, old);
} else if (option_export || find_player_by_bus_name(name) == NULL) {
printf("player %s at %s found\n", name, new);
add_player(conn, name, new);
}
return TRUE;
}
static char *get_name_owner(DBusConnection *conn, const char *name)
{
DBusMessage *msg, *reply;
DBusError err;
char *owner;
msg = dbus_message_new_method_call(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS, "GetNameOwner");
if (!msg) {
fprintf(stderr, "Can't allocate new method call\n");
return NULL;
}
dbus_message_append_args(msg, DBUS_TYPE_STRING, &name,
DBUS_TYPE_INVALID);
dbus_error_init(&err);
reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, &err);
dbus_message_unref(msg);
if (!reply) {
if (dbus_error_is_set(&err)) {
fprintf(stderr, "%s\n", err.message);
dbus_error_free(&err);
}
return NULL;
}
if (!dbus_message_get_args(reply, NULL,
DBUS_TYPE_STRING, &owner,
DBUS_TYPE_INVALID)) {
dbus_message_unref(reply);
return NULL;
}
owner = g_strdup(owner);
dbus_message_unref(reply);
dbus_connection_flush(conn);
return owner;
}
static void parse_list_names(DBusConnection *conn, DBusMessageIter *args)
{
DBusMessageIter array;
int ctype;
ctype = dbus_message_iter_get_arg_type(args);
if (ctype != DBUS_TYPE_ARRAY)
return;
dbus_message_iter_recurse(args, &array);
while ((ctype = dbus_message_iter_get_arg_type(&array)) !=
DBUS_TYPE_INVALID) {
const char *name;
char *owner;
if (ctype != DBUS_TYPE_STRING)
goto next;
dbus_message_iter_get_basic(&array, &name);
if (!g_str_has_prefix(name, "org.mpris"))
goto next;
owner = get_name_owner(conn, name);
if (owner == NULL)
goto next;
printf("player %s at %s found\n", name, owner);
add_player(conn, name, owner);
g_free(owner);
next:
dbus_message_iter_next(&array);
}
}
static void list_names(DBusConnection *conn)
{
DBusMessage *msg, *reply;
DBusMessageIter iter;
DBusError err;
msg = dbus_message_new_method_call(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS, "ListNames");
if (!msg) {
fprintf(stderr, "Can't allocate new method call\n");
return;
}
dbus_error_init(&err);
reply = dbus_connection_send_with_reply_and_block(conn, msg, -1, &err);
dbus_message_unref(msg);
if (!reply) {
if (dbus_error_is_set(&err)) {
fprintf(stderr, "%s\n", err.message);
dbus_error_free(&err);
}
return;
}
dbus_message_iter_init(reply, &iter);
parse_list_names(conn, &iter);
dbus_message_unref(reply);
dbus_connection_flush(conn);
}
static void usage(void)
{
printf("Bluetooth mpris-player ver %s\n\n", VERSION);
printf("Usage:\n");
}
static GOptionEntry options[] = {
{ "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
"Show version information and exit" },
{ "export", 'e', 0, G_OPTION_ARG_NONE, &option_export,
"Export remote players" },
{ NULL },
};
static void connect_handler(DBusConnection *connection, void *user_data)
{
printf("org.bluez appeared\n");
}
static void disconnect_handler(DBusConnection *connection, void *user_data)
{
printf("org.bluez disappeared\n");
}
static void unregister_tracklist(struct player *player)
{
struct tracklist *tracklist = player->tracklist;
g_slist_free(tracklist->items);
g_dbus_proxy_unref(tracklist->proxy);
g_free(tracklist);
player->tracklist = NULL;
}
static void player_free(void *data)
{
struct player *player = data;
if (player->tracklist != NULL)
unregister_tracklist(player);
if (player->conn) {
dbus_connection_close(player->conn);
dbus_connection_unref(player->conn);
}
g_dbus_proxy_unref(player->device);
g_dbus_proxy_unref(player->proxy);
if (player->transport)
g_dbus_proxy_unref(player->transport);
if (player->playlist)
g_dbus_proxy_unref(player->playlist);
g_free(player->bus_name);
g_free(player);
}
struct pending_call {
struct player *player;
DBusMessage *msg;
};
static void pending_call_free(void *data)
{
struct pending_call *p = data;
if (p->msg)
dbus_message_unref(p->msg);
g_free(p);
}
static void player_reply(DBusMessage *message, void *user_data)
{
struct pending_call *p = user_data;
struct player *player = p->player;
DBusMessage *msg = p->msg;
DBusMessage *reply;
DBusError err;
dbus_error_init(&err);
if (dbus_set_error_from_message(&err, message)) {
fprintf(stderr, "error: %s", err.name);
reply = g_dbus_create_error(msg, err.name, "%s", err.message);
dbus_error_free(&err);
} else
reply = g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
g_dbus_send_message(player->conn, reply);
}
static void player_control(struct player *player, DBusMessage *msg,
const char *name)
{
struct pending_call *p;
p = g_new0(struct pending_call, 1);
p->player = player;
p->msg = dbus_message_ref(msg);
g_dbus_proxy_method_call(player->proxy, name, NULL, player_reply,
p, pending_call_free);
}
static const char *status_to_playback(const char *status)
{
if (strcasecmp(status, "playing") == 0)
return "Playing";
else if (strcasecmp(status, "paused") == 0)
return "Paused";
else
return "Stopped";
}
static const char *player_get_status(struct player *player)
{
const char *status;
DBusMessageIter value;
if (g_dbus_proxy_get_property(player->proxy, "Status", &value)) {
dbus_message_iter_get_basic(&value, &status);
return status_to_playback(status);
}
if (player->transport == NULL)
goto done;
if (!g_dbus_proxy_get_property(player->transport, "State", &value))
goto done;
dbus_message_iter_get_basic(&value, &status);
if (strcasecmp(status, "active") == 0)
return "Playing";
done:
return "Stopped";
}
static DBusMessage *player_toggle(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct player *player = data;
const char *status;
status = player_get_status(player);
if (strcasecmp(status, "Playing") == 0)
player_control(player, msg, "Pause");
else
player_control(player, msg, "Play");
return NULL;
}
static DBusMessage *player_play(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct player *player = data;
player_control(player, msg, "Play");
return NULL;
}
static DBusMessage *player_pause(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct player *player = data;
player_control(player, msg, "Pause");
return NULL;
}
static DBusMessage *player_stop(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct player *player = data;
player_control(player, msg, "Stop");
return NULL;
}
static DBusMessage *player_next(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct player *player = data;
player_control(player, msg, "Next");
return NULL;
}
static DBusMessage *player_previous(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct player *player = data;
player_control(player, msg, "Previous");
return NULL;
}
static gboolean status_exists(const GDBusPropertyTable *property, void *data)
{
struct player *player = data;
return player_get_status(player) != NULL;
}
static gboolean get_status(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
const char *status;
status = player_get_status(player);
dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &status);
return TRUE;
}
static gboolean repeat_exists(const GDBusPropertyTable *property, void *data)
{
DBusMessageIter iter;
struct player *player = data;
return g_dbus_proxy_get_property(player->proxy, "Repeat", &iter);
}
static const char *repeat_to_loopstatus(const char *value)
{
if (strcasecmp(value, "off") == 0)
return "None";
else if (strcasecmp(value, "singletrack") == 0)
return "Track";
else if (strcasecmp(value, "alltracks") == 0)
return "Playlist";
return NULL;
}
static gboolean get_repeat(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
DBusMessageIter value;
const char *status;
if (!g_dbus_proxy_get_property(player->proxy, "Repeat", &value))
return FALSE;
dbus_message_iter_get_basic(&value, &status);
status = repeat_to_loopstatus(status);
if (status == NULL)
return FALSE;
dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &status);
return TRUE;
}
static const char *loopstatus_to_repeat(const char *value)
{
if (strcasecmp(value, "None") == 0)
return "off";
else if (strcasecmp(value, "Track") == 0)
return "singletrack";
else if (strcasecmp(value, "Playlist") == 0)
return "alltracks";
return NULL;
}
static void property_result(const DBusError *err, void *user_data)
{
GDBusPendingPropertySet id = GPOINTER_TO_UINT(user_data);
if (!dbus_error_is_set(err))
return g_dbus_pending_property_success(id);
g_dbus_pending_property_error(id, err->name, err->message);
}
static void set_repeat(const GDBusPropertyTable *property,
DBusMessageIter *iter, GDBusPendingPropertySet id,
void *data)
{
struct player *player = data;
const char *value;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_STRING) {
g_dbus_pending_property_error(id,
ERROR_INTERFACE ".InvalidArguments",
"Invalid arguments in method call");
return;
}
dbus_message_iter_get_basic(iter, &value);
value = loopstatus_to_repeat(value);
if (value == NULL) {
g_dbus_pending_property_error(id,
ERROR_INTERFACE ".InvalidArguments",
"Invalid arguments in method call");
return;
}
g_dbus_proxy_set_property_basic(player->proxy, "Repeat",
DBUS_TYPE_STRING, &value,
property_result, GUINT_TO_POINTER(id),
NULL);
}
static gboolean get_double(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
double value = 1.0;
dbus_message_iter_append_basic(iter, DBUS_TYPE_DOUBLE, &value);
return TRUE;
}
static gboolean shuffle_exists(const GDBusPropertyTable *property, void *data)
{
DBusMessageIter iter;
struct player *player = data;
return g_dbus_proxy_get_property(player->proxy, "Shuffle", &iter);
}
static gboolean get_shuffle(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
DBusMessageIter value;
const char *string;
dbus_bool_t shuffle;
if (!g_dbus_proxy_get_property(player->proxy, "Shuffle", &value))
return FALSE;
dbus_message_iter_get_basic(&value, &string);
shuffle = strcmp(string, "off") != 0;
dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &shuffle);
return TRUE;
}
static void set_shuffle(const GDBusPropertyTable *property,
DBusMessageIter *iter, GDBusPendingPropertySet id,
void *data)
{
struct player *player = data;
dbus_bool_t shuffle;
const char *value;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_BOOLEAN) {
g_dbus_pending_property_error(id,
ERROR_INTERFACE ".InvalidArguments",
"Invalid arguments in method call");
return;
}
dbus_message_iter_get_basic(iter, &shuffle);
value = shuffle ? "alltracks" : "off";
g_dbus_proxy_set_property_basic(player->proxy, "Shuffle",
DBUS_TYPE_STRING, &value,
property_result, GUINT_TO_POINTER(id),
NULL);
}
static gboolean position_exists(const GDBusPropertyTable *property, void *data)
{
DBusMessageIter iter;
struct player *player = data;
return g_dbus_proxy_get_property(player->proxy, "Position", &iter);
}
static gboolean get_position(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
DBusMessageIter var;
uint32_t position;
int64_t value;
if (!g_dbus_proxy_get_property(player->proxy, "Position", &var))
return FALSE;
dbus_message_iter_get_basic(&var, &position);
value = position * 1000;
dbus_message_iter_append_basic(iter, DBUS_TYPE_INT64, &value);
return TRUE;
}
static gboolean track_exists(const GDBusPropertyTable *property, void *data)
{
DBusMessageIter iter;
struct player *player = data;
return g_dbus_proxy_get_property(player->proxy, "Track", &iter);
}
static gboolean parse_string_metadata(DBusMessageIter *iter, const char *key,
DBusMessageIter *metadata)
{
const char *value;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_STRING)
return FALSE;
dbus_message_iter_get_basic(iter, &value);
dict_append_entry(metadata, key, DBUS_TYPE_STRING, &value);
return TRUE;
}
static gboolean parse_array_metadata(DBusMessageIter *iter, const char *key,
DBusMessageIter *metadata)
{
char **value;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_STRING)
return FALSE;
value = dbus_malloc0(sizeof(char *));
dbus_message_iter_get_basic(iter, &(value[0]));
dict_append_array(metadata, key, DBUS_TYPE_STRING, &value, 1);
dbus_free(value);
return TRUE;
}
static gboolean parse_int64_metadata(DBusMessageIter *iter, const char *key,
DBusMessageIter *metadata)
{
uint32_t duration;
int64_t value;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_UINT32)
return FALSE;
dbus_message_iter_get_basic(iter, &duration);
value = duration * 1000;
dict_append_entry(metadata, key, DBUS_TYPE_INT64, &value);
return TRUE;
}
static gboolean parse_int32_metadata(DBusMessageIter *iter, const char *key,
DBusMessageIter *metadata)
{
uint32_t value;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_UINT32)
return FALSE;
dbus_message_iter_get_basic(iter, &value);
dict_append_entry(metadata, key, DBUS_TYPE_INT32, &value);
return TRUE;
}
static gboolean parse_path_metadata(DBusMessageIter *iter, const char *key,
DBusMessageIter *metadata)
{
const char *value;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_OBJECT_PATH)
return FALSE;
dbus_message_iter_get_basic(iter, &value);
dict_append_entry(metadata, key, DBUS_TYPE_OBJECT_PATH, &value);
return TRUE;
}
static int parse_track_entry(DBusMessageIter *entry, const char *key,
DBusMessageIter *metadata)
{
DBusMessageIter var;
if (dbus_message_iter_get_arg_type(entry) != DBUS_TYPE_VARIANT)
return -EINVAL;
dbus_message_iter_recurse(entry, &var);
if (strcasecmp(key, "Title") == 0) {
if (!parse_string_metadata(&var, "xesam:title", metadata))
return -EINVAL;
} else if (strcasecmp(key, "Artist") == 0) {
if (!parse_array_metadata(&var, "xesam:artist", metadata))
return -EINVAL;
} else if (strcasecmp(key, "Album") == 0) {
if (!parse_string_metadata(&var, "xesam:album", metadata))
return -EINVAL;
} else if (strcasecmp(key, "Genre") == 0) {
if (!parse_array_metadata(&var, "xesam:genre", metadata))
return -EINVAL;
} else if (strcasecmp(key, "Duration") == 0) {
if (!parse_int64_metadata(&var, "mpris:length", metadata))
return -EINVAL;
} else if (strcasecmp(key, "TrackNumber") == 0) {
if (!parse_int32_metadata(&var, "xesam:trackNumber", metadata))
return -EINVAL;
} else if (strcasecmp(key, "Item") == 0) {
if (!parse_path_metadata(&var, "mpris:trackid", metadata))
return -EINVAL;
}
return 0;
}
static gboolean get_track(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
DBusMessageIter var, metadata;
if (!g_dbus_proxy_get_property(player->proxy, "Track", &var))
return FALSE;
dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &metadata);
parse_metadata(&var, &metadata, parse_track_entry);
dbus_message_iter_close_container(iter, &metadata);
return TRUE;
}
static gboolean get_enable(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
dbus_bool_t value = TRUE;
dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &value);
return TRUE;
}
static gboolean get_volume(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
double value = 0.0;
uint16_t volume;
DBusMessageIter var;
if (player->transport == NULL)
goto done;
if (!g_dbus_proxy_get_property(player->transport, "Volume", &var))
goto done;
dbus_message_iter_get_basic(&var, &volume);
value = (double) volume / 127;
done:
dbus_message_iter_append_basic(iter, DBUS_TYPE_DOUBLE, &value);
return TRUE;
}
static const GDBusMethodTable player_methods[] = {
{ GDBUS_ASYNC_METHOD("PlayPause", NULL, NULL, player_toggle) },
{ GDBUS_ASYNC_METHOD("Play", NULL, NULL, player_play) },
{ GDBUS_ASYNC_METHOD("Pause", NULL, NULL, player_pause) },
{ GDBUS_ASYNC_METHOD("Stop", NULL, NULL, player_stop) },
{ GDBUS_ASYNC_METHOD("Next", NULL, NULL, player_next) },
{ GDBUS_ASYNC_METHOD("Previous", NULL, NULL, player_previous) },
{ }
};
static const GDBusSignalTable player_signals[] = {
{ GDBUS_SIGNAL("Seeked", GDBUS_ARGS({"Position", "x"})) },
{ }
};
static const GDBusPropertyTable player_properties[] = {
{ "PlaybackStatus", "s", get_status, NULL, status_exists },
{ "LoopStatus", "s", get_repeat, set_repeat, repeat_exists },
{ "Rate", "d", get_double, NULL, NULL },
{ "MinimumRate", "d", get_double, NULL, NULL },
{ "MaximumRate", "d", get_double, NULL, NULL },
{ "Shuffle", "b", get_shuffle, set_shuffle, shuffle_exists },
{ "Position", "x", get_position, NULL, position_exists },
{ "Metadata", "a{sv}", get_track, NULL, track_exists },
{ "Volume", "d", get_volume, NULL, NULL },
{ "CanGoNext", "b", get_enable, NULL, NULL },
{ "CanGoPrevious", "b", get_enable, NULL, NULL },
{ "CanPlay", "b", get_enable, NULL, NULL },
{ "CanPause", "b", get_enable, NULL, NULL },
{ "CanSeek", "b", get_enable, NULL, NULL },
{ "CanControl", "b", get_enable, NULL, NULL },
{ }
};
static gboolean get_disable(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
dbus_bool_t value = FALSE;
dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &value);
return TRUE;
}
static gboolean get_name(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
DBusMessageIter var;
const char *alias;
char *name;
if (!g_dbus_proxy_get_property(player->device, "Alias", &var))
return FALSE;
dbus_message_iter_get_basic(&var, &alias);
if (g_dbus_proxy_get_property(player->proxy, "Name", &var)) {
dbus_message_iter_get_basic(&var, &name);
name = g_strconcat(alias, " ", name, NULL);
} else
name = g_strdup(alias);
dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &name);
g_free(name);
return TRUE;
}
static const GDBusMethodTable mpris_methods[] = {
{ }
};
static gboolean get_tracklist(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
dbus_bool_t value;
value = player->tracklist != NULL ? TRUE : FALSE;
dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &value);
return TRUE;
}
static const GDBusPropertyTable mpris_properties[] = {
{ "CanQuit", "b", get_disable, NULL, NULL },
{ "Fullscreen", "b", get_disable, NULL, NULL },
{ "CanSetFullscreen", "b", get_disable, NULL, NULL },
{ "CanRaise", "b", get_disable, NULL, NULL },
{ "HasTrackList", "b", get_tracklist, NULL, NULL },
{ "Identity", "s", get_name, NULL, NULL },
{ }
};
static GDBusProxy *find_item(struct player *player, const char *path)
{
struct tracklist *tracklist = player->tracklist;
GSList *l;
for (l = tracklist->items; l; l = l->next) {
GDBusProxy *proxy = l->data;
const char *p = g_dbus_proxy_get_path(proxy);
if (g_str_equal(path, p))
return proxy;
}
return NULL;
}
static void append_item_metadata(void *data, void *user_data)
{
GDBusProxy *item = data;
DBusMessageIter *iter = user_data;
DBusMessageIter var, metadata;
const char *path = g_dbus_proxy_get_path(item);
dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &metadata);
dict_append_entry(&metadata, "mpris:trackid", DBUS_TYPE_OBJECT_PATH,
&path);
if (g_dbus_proxy_get_property(item, "Metadata", &var))
parse_metadata(&var, &metadata, parse_track_entry);
dbus_message_iter_close_container(iter, &metadata);
return;
}
static DBusMessage *tracklist_get_metadata(DBusConnection *conn,
DBusMessage *msg, void *data)
{
struct player *player = data;
DBusMessage *reply;
DBusMessageIter args, array;
GSList *l = NULL;
dbus_message_iter_init(msg, &args);
if (dbus_message_iter_get_arg_type(&args) != DBUS_TYPE_ARRAY)
return g_dbus_create_error(msg,
ERROR_INTERFACE ".InvalidArguments",
"Invalid Arguments");
dbus_message_iter_recurse(&args, &array);
while (dbus_message_iter_get_arg_type(&array) ==
DBUS_TYPE_OBJECT_PATH) {
const char *path;
GDBusProxy *item;
dbus_message_iter_get_basic(&array, &path);
item = find_item(player, path);
if (item == NULL)
return g_dbus_create_error(msg,
ERROR_INTERFACE ".InvalidArguments",
"Invalid Arguments");
l = g_slist_append(l, item);
dbus_message_iter_next(&array);
}
reply = dbus_message_new_method_return(msg);
dbus_message_iter_init_append(reply, &args);
dbus_message_iter_open_container(&args, DBUS_TYPE_ARRAY,
DBUS_TYPE_ARRAY_AS_STRING
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING
DBUS_TYPE_VARIANT_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
&array);
g_slist_foreach(l, append_item_metadata, &array);
dbus_message_iter_close_container(&args, &array);
return reply;
}
static void item_play_reply(DBusMessage *message, void *user_data)
{
struct pending_call *p = user_data;
struct player *player = p->player;
DBusMessage *msg = p->msg;
DBusMessage *reply;
DBusError err;
dbus_error_init(&err);
if (dbus_set_error_from_message(&err, message)) {
fprintf(stderr, "error: %s", err.name);
reply = g_dbus_create_error(msg, err.name, "%s", err.message);
dbus_error_free(&err);
} else
reply = g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
g_dbus_send_message(player->conn, reply);
}
static void item_play(struct player *player, DBusMessage *msg,
GDBusProxy *item)
{
struct pending_call *p;
p = g_new0(struct pending_call, 1);
p->player = player;
p->msg = dbus_message_ref(msg);
g_dbus_proxy_method_call(item, "Play", NULL, item_play_reply,
p, pending_call_free);
}
static DBusMessage *tracklist_goto(DBusConnection *conn,
DBusMessage *msg, void *data)
{
struct player *player = data;
GDBusProxy *item;
const char *path;
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID))
return g_dbus_create_error(msg,
ERROR_INTERFACE ".InvalidArguments",
"Invalid arguments");
item = find_item(player, path);
if (item == NULL)
return g_dbus_create_error(msg,
ERROR_INTERFACE ".InvalidArguments",
"Invalid arguments");
item_play(player, msg, item);
return NULL;
}
static DBusMessage *tracklist_add_track(DBusConnection *conn,
DBusMessage *msg, void *data)
{
return g_dbus_create_error(msg, ERROR_INTERFACE ".NotImplemented",
"Not implemented");
}
static DBusMessage *tracklist_remove_track(DBusConnection *conn,
DBusMessage *msg, void *data)
{
return g_dbus_create_error(msg, ERROR_INTERFACE ".NotImplemented",
"Not implemented");
}
static const GDBusMethodTable tracklist_methods[] = {
{ GDBUS_METHOD("GetTracksMetadata",
GDBUS_ARGS({ "tracks", "ao" }),
GDBUS_ARGS({ "metadata", "aa{sv}" }),
tracklist_get_metadata) },
{ GDBUS_METHOD("AddTrack",
GDBUS_ARGS({ "uri", "s" }, { "after", "o" },
{ "current", "b" }),
NULL,
tracklist_add_track) },
{ GDBUS_METHOD("RemoveTrack",
GDBUS_ARGS({ "track", "o" }), NULL,
tracklist_remove_track) },
{ GDBUS_ASYNC_METHOD("GoTo",
GDBUS_ARGS({ "track", "o" }), NULL,
tracklist_goto) },
{ },
};
static const GDBusSignalTable tracklist_signals[] = {
{ GDBUS_SIGNAL("TrackAdded", GDBUS_ARGS({"metadata", "a{sv}"},
{"after", "o"})) },
{ GDBUS_SIGNAL("TrackRemoved", GDBUS_ARGS({"track", "o"})) },
{ GDBUS_SIGNAL("TrackMetadataChanged", GDBUS_ARGS({"track", "o"},
{"metadata", "a{sv}"})) },
{ }
};
static gboolean tracklist_exists(const GDBusPropertyTable *property, void *data)
{
struct player *player = data;
return player->tracklist != NULL;
}
static void append_path(gpointer data, gpointer user_data)
{
GDBusProxy *proxy = data;
DBusMessageIter *iter = user_data;
const char *path = g_dbus_proxy_get_path(proxy);
dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH, &path);
}
static gboolean get_tracks(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
struct tracklist *tracklist = player->tracklist;
DBusMessageIter value;
if (tracklist == NULL)
return FALSE;
dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
DBUS_TYPE_OBJECT_PATH_AS_STRING,
&value);
g_slist_foreach(player->tracklist->items, append_path, &value);
dbus_message_iter_close_container(iter, &value);
return TRUE;
}
static const GDBusPropertyTable tracklist_properties[] = {
{ "Tracks", "ao", get_tracks, NULL, tracklist_exists },
{ "CanEditTracks", "b", get_disable, NULL, NULL },
{ }
};
static void list_items_setup(DBusMessageIter *iter, void *user_data)
{
DBusMessageIter dict;
dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING
DBUS_TYPE_VARIANT_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
&dict);
dbus_message_iter_close_container(iter, &dict);
}
static void change_folder_reply(DBusMessage *message, void *user_data)
{
struct player *player = user_data;
struct tracklist *tracklist = player->tracklist;
DBusError err;
dbus_error_init(&err);
if (dbus_set_error_from_message(&err, message)) {
fprintf(stderr, "error: %s", err.name);
return;
}
g_dbus_emit_property_changed(player->conn, MPRIS_PLAYER_PATH,
MPRIS_PLAYLISTS_INTERFACE,
"ActivePlaylist");
g_dbus_proxy_method_call(tracklist->proxy, "ListItems",
list_items_setup, NULL, NULL, NULL);
}
static void change_folder_setup(DBusMessageIter *iter, void *user_data)
{
struct player *player = user_data;
const char *path;
path = g_dbus_proxy_get_path(player->playlist);
dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH, &path);
}
static DBusMessage *playlist_activate(DBusConnection *conn,
DBusMessage *msg, void *data)
{
struct player *player = data;
struct tracklist *tracklist = player->tracklist;
const char *path;
if (player->playlist == NULL || tracklist == NULL)
return g_dbus_create_error(msg,
ERROR_INTERFACE ".InvalidArguments",
"Invalid Arguments");
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID))
return g_dbus_create_error(msg,
ERROR_INTERFACE ".InvalidArguments",
"Invalid Arguments");
if (!g_str_equal(path, g_dbus_proxy_get_path(player->playlist)))
return g_dbus_create_error(msg,
ERROR_INTERFACE ".InvalidArguments",
"Invalid Arguments");
g_dbus_proxy_method_call(tracklist->proxy, "ChangeFolder",
change_folder_setup, change_folder_reply,
player, NULL);
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}
static DBusMessage *playlist_get(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct player *player = data;
uint32_t index, count;
const char *order;
dbus_bool_t reverse;
DBusMessage *reply;
DBusMessageIter iter, entry, value, name;
const char *string, *path;
const char *empty = "";
if (player->playlist == NULL)
return g_dbus_create_error(msg,
ERROR_INTERFACE ".InvalidArguments",
"Invalid Arguments");
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_UINT32, &index,
DBUS_TYPE_UINT32, &count,
DBUS_TYPE_STRING, &order,
DBUS_TYPE_BOOLEAN, &reverse,
DBUS_TYPE_INVALID))
return g_dbus_create_error(msg,
ERROR_INTERFACE ".InvalidArguments",
"Invalid Arguments");
path = g_dbus_proxy_get_path(player->playlist);
reply = dbus_message_new_method_return(msg);
dbus_message_iter_init_append(reply, &iter);
dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(oss)",
&entry);
dbus_message_iter_open_container(&entry, DBUS_TYPE_STRUCT, NULL,
&value);
dbus_message_iter_append_basic(&value, DBUS_TYPE_OBJECT_PATH, &path);
if (g_dbus_proxy_get_property(player->playlist, "Name", &name)) {
dbus_message_iter_get_basic(&name, &string);
dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING,
&string);
} else {
dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING,
&path);
}
dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &empty);
dbus_message_iter_close_container(&entry, &value);
dbus_message_iter_close_container(&iter, &entry);
return reply;
}
static const GDBusMethodTable playlist_methods[] = {
{ GDBUS_METHOD("ActivatePlaylist",
GDBUS_ARGS({ "playlist", "o" }), NULL,
playlist_activate) },
{ GDBUS_METHOD("GetPlaylists",
GDBUS_ARGS({ "index", "u" }, { "maxcount", "u"},
{ "order", "s" }, { "reverse", "b" }),
GDBUS_ARGS({ "playlists", "a(oss)"}),
playlist_get) },
{ },
};
static gboolean playlist_exists(const GDBusPropertyTable *property, void *data)
{
struct player *player = data;
return player->playlist != NULL;
}
static gboolean get_playlist_count(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
uint32_t count = 1;
if (player->playlist == NULL)
return FALSE;
dbus_message_iter_append_basic(iter, DBUS_TYPE_UINT32, &count);
return TRUE;
}
static gboolean get_orderings(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
DBusMessageIter value;
const char *order = "User";
dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
DBUS_TYPE_OBJECT_PATH_AS_STRING,
&value);
dbus_message_iter_append_basic(&value, DBUS_TYPE_STRING, &order);
dbus_message_iter_close_container(iter, &value);
return TRUE;
}
static gboolean get_active_playlist(const GDBusPropertyTable *property,
DBusMessageIter *iter, void *data)
{
struct player *player = data;
DBusMessageIter value, entry;
dbus_bool_t enabled = TRUE;
const char *path, *empty = "";
if (player->playlist == NULL)
return FALSE;
path = g_dbus_proxy_get_path(player->playlist);
dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT,
NULL, &value);
dbus_message_iter_append_basic(&value, DBUS_TYPE_BOOLEAN, &enabled);
dbus_message_iter_open_container(&value, DBUS_TYPE_STRUCT, NULL,
&entry);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_OBJECT_PATH, &path);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &path);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &empty);
dbus_message_iter_close_container(&value, &entry);
dbus_message_iter_close_container(iter, &value);
return TRUE;
}
static const GDBusPropertyTable playlist_properties[] = {
{ "PlaylistCount", "u", get_playlist_count, NULL, playlist_exists },
{ "Orderings", "as", get_orderings, NULL, NULL },
{ "ActivePlaylist", "(b(oss))", get_active_playlist, NULL,
playlist_exists },
{ }
};
#define a_z "abcdefghijklmnopqrstuvwxyz"
#define A_Z "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#define _0_9 "_0123456789"
static char *mpris_busname(char *name)
{
if (g_ascii_isdigit(name[0]))
return g_strconcat(MPRIS_BUS_NAME, "bt_",
g_strcanon(name, A_Z a_z _0_9, '_'), NULL);
else
return g_strconcat(MPRIS_BUS_NAME,
g_strcanon(name, A_Z a_z _0_9, '_'), NULL);
}
static GDBusProxy *find_transport_by_path(const char *path)
{
GSList *l;
for (l = transports; l; l = l->next) {
GDBusProxy *transport = l->data;
DBusMessageIter iter;
const char *value;
if (!g_dbus_proxy_get_property(transport, "Device", &iter))
continue;
dbus_message_iter_get_basic(&iter, &value);
if (strcmp(path, value) == 0)
return transport;
}
return NULL;
}
static struct player *find_player(GDBusProxy *proxy)
{
GSList *l;
for (l = players; l; l = l->next) {
struct player *player = l->data;
const char *path, *p;
if (player->proxy == proxy)
return player;
path = g_dbus_proxy_get_path(proxy);
p = g_dbus_proxy_get_path(player->proxy);
if (g_str_equal(path, p))
return player;
}
return NULL;
}
static void register_tracklist(GDBusProxy *proxy)
{
struct player *player;
struct tracklist *tracklist;
player = find_player(proxy);
if (player == NULL)
return;
if (player->tracklist != NULL)
return;
tracklist = g_new0(struct tracklist, 1);
tracklist->proxy = g_dbus_proxy_ref(proxy);
player->tracklist = tracklist;
g_dbus_emit_property_changed(player->conn, MPRIS_PLAYER_PATH,
MPRIS_INTERFACE,
"HasTrackList");
if (player->playlist == NULL)
return;
g_dbus_proxy_method_call(player->tracklist->proxy, "ChangeFolder",
change_folder_setup, change_folder_reply,
player, NULL);
}
static void register_player(GDBusProxy *proxy)
{
struct player *player;
DBusMessageIter iter;
const char *path, *alias, *name;
char *busname;
GDBusProxy *device, *transport;
if (!g_dbus_proxy_get_property(proxy, "Device", &iter))
return;
dbus_message_iter_get_basic(&iter, &path);
device = g_dbus_proxy_new(client, path, "org.bluez.Device1");
if (device == NULL)
return;
if (!g_dbus_proxy_get_property(device, "Alias", &iter))
return;
dbus_message_iter_get_basic(&iter, &alias);
if (g_dbus_proxy_get_property(proxy, "Name", &iter)) {
dbus_message_iter_get_basic(&iter, &name);
busname = g_strconcat(alias, " ", name, NULL);
} else
busname = g_strdup(alias);
player = g_new0(struct player, 1);
player->bus_name = mpris_busname(busname);
player->proxy = g_dbus_proxy_ref(proxy);
player->device = device;
g_free(busname);
players = g_slist_prepend(players, player);
printf("Player %s created\n", player->bus_name);
player->conn = g_dbus_setup_private(DBUS_BUS_SESSION, player->bus_name,
NULL);
if (!session) {
fprintf(stderr, "Could not register bus name %s",
player->bus_name);
goto fail;
}
if (!g_dbus_register_interface(player->conn, MPRIS_PLAYER_PATH,
MPRIS_INTERFACE,
mpris_methods,
NULL,
mpris_properties,
player, NULL)) {
fprintf(stderr, "Could not register interface %s",
MPRIS_INTERFACE);
goto fail;
}
if (!g_dbus_register_interface(player->conn, MPRIS_PLAYER_PATH,
MPRIS_PLAYER_INTERFACE,
player_methods,
player_signals,
player_properties,
player, player_free)) {
fprintf(stderr, "Could not register interface %s",
MPRIS_PLAYER_INTERFACE);
goto fail;
}
if (!g_dbus_register_interface(player->conn, MPRIS_PLAYER_PATH,
MPRIS_TRACKLIST_INTERFACE,
tracklist_methods,
tracklist_signals,
tracklist_properties,
player, NULL)) {
fprintf(stderr, "Could not register interface %s",
MPRIS_TRACKLIST_INTERFACE);
goto fail;
}
if (!g_dbus_register_interface(player->conn, MPRIS_PLAYER_PATH,
MPRIS_PLAYLISTS_INTERFACE,
playlist_methods,
NULL,
playlist_properties,
player, NULL)) {
fprintf(stderr, "Could not register interface %s",
MPRIS_PLAYLISTS_INTERFACE);
goto fail;
}
transport = find_transport_by_path(path);
if (transport)
player->transport = g_dbus_proxy_ref(transport);
return;
fail:
players = g_slist_remove(players, player);
player_free(player);
}
static struct player *find_player_by_device(const char *device)
{
GSList *l;
for (l = players; l; l = l->next) {
struct player *player = l->data;
const char *path = g_dbus_proxy_get_path(player->device);
if (g_strcmp0(device, path) == 0)
return player;
}
return NULL;
}
static void register_transport(GDBusProxy *proxy)
{
struct player *player;
DBusMessageIter iter;
const char *path;
if (g_slist_find(transports, proxy) != NULL)
return;
if (!g_dbus_proxy_get_property(proxy, "Volume", &iter))
return;
if (!g_dbus_proxy_get_property(proxy, "Device", &iter))
return;
dbus_message_iter_get_basic(&iter, &path);
transports = g_slist_append(transports, proxy);
player = find_player_by_device(path);
if (player == NULL || player->transport != NULL)
return;
player->transport = g_dbus_proxy_ref(proxy);
}
static struct player *find_player_by_item(const char *item)
{
GSList *l;
for (l = players; l; l = l->next) {
struct player *player = l->data;
const char *path = g_dbus_proxy_get_path(player->proxy);
if (g_str_has_prefix(item, path))
return player;
}
return NULL;
}
static void register_playlist(struct player *player, GDBusProxy *proxy)
{
const char *path;
DBusMessageIter iter;
if (!g_dbus_proxy_get_property(player->proxy, "Playlist", &iter))
return;
dbus_message_iter_get_basic(&iter, &path);
if (!g_str_equal(path, g_dbus_proxy_get_path(proxy)))
return;
player->playlist = g_dbus_proxy_ref(proxy);
g_dbus_emit_property_changed(player->conn, MPRIS_PLAYER_PATH,
MPRIS_PLAYLISTS_INTERFACE,
"PlaylistCount");
if (player->tracklist == NULL)
return;
g_dbus_proxy_method_call(player->tracklist->proxy, "ChangeFolder",
change_folder_setup, change_folder_reply,
player, NULL);
}
static void register_item(struct player *player, GDBusProxy *proxy)
{
struct tracklist *tracklist;
const char *path, *playlist;
DBusMessage *signal;
DBusMessageIter iter, args, metadata;
GSList *l;
GDBusProxy *after;
if (player->playlist == NULL) {
register_playlist(player, proxy);
return;
}
tracklist = player->tracklist;
if (tracklist == NULL)
return;
path = g_dbus_proxy_get_path(proxy);
playlist = g_dbus_proxy_get_path(player->playlist);
if (!g_str_has_prefix(path, playlist))
return;
l = g_slist_last(tracklist->items);
tracklist->items = g_slist_append(tracklist->items, proxy);
g_dbus_emit_property_changed(player->conn, MPRIS_PLAYER_PATH,
MPRIS_TRACKLIST_INTERFACE,
"Tracks");
if (l == NULL)
return;
signal = dbus_message_new_signal(MPRIS_PLAYER_PATH,
MPRIS_TRACKLIST_INTERFACE,
"TrackAdded");
if (!signal) {
fprintf(stderr, "Unable to allocate new %s.TrackAdded signal",
MPRIS_TRACKLIST_INTERFACE);
return;
}
dbus_message_iter_init_append(signal, &args);
if (!g_dbus_proxy_get_property(proxy, "Metadata", &iter)) {
dbus_message_unref(signal);
return;
}
dbus_message_iter_open_container(&args, DBUS_TYPE_ARRAY,
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &metadata);
parse_metadata(&iter, &metadata, parse_track_entry);
dbus_message_iter_close_container(&args, &metadata);
after = l->data;
path = g_dbus_proxy_get_path(after);
dbus_message_iter_append_basic(&args, DBUS_TYPE_OBJECT_PATH, &path);
g_dbus_send_message(player->conn, signal);
}
static void proxy_added(GDBusProxy *proxy, void *user_data)
{
const char *interface;
const char *path;
interface = g_dbus_proxy_get_interface(proxy);
path = g_dbus_proxy_get_path(proxy);
if (!strcmp(interface, BLUEZ_ADAPTER_INTERFACE)) {
if (adapter != NULL)
return;
printf("Bluetooth Adapter %s found\n", path);
adapter = proxy;
list_names(session);
} else if (!strcmp(interface, BLUEZ_MEDIA_PLAYER_INTERFACE)) {
printf("Bluetooth Player %s found\n", path);
register_player(proxy);
} else if (!strcmp(interface, BLUEZ_MEDIA_TRANSPORT_INTERFACE)) {
printf("Bluetooth Transport %s found\n", path);
register_transport(proxy);
} else if (!strcmp(interface, BLUEZ_MEDIA_FOLDER_INTERFACE)) {
printf("Bluetooth Folder %s found\n", path);
register_tracklist(proxy);
} else if (!strcmp(interface, BLUEZ_MEDIA_ITEM_INTERFACE)) {
struct player *player;
player = find_player_by_item(path);
if (player == NULL)
return;
printf("Bluetooth Item %s found\n", path);
register_item(player, proxy);
}
}
static void unregister_player(struct player *player)
{
players = g_slist_remove(players, player);
if (player->tracklist != NULL) {
g_dbus_unregister_interface(player->conn, MPRIS_PLAYER_PATH,
MPRIS_PLAYLISTS_INTERFACE);
g_dbus_unregister_interface(player->conn, MPRIS_PLAYER_PATH,
MPRIS_TRACKLIST_INTERFACE);
}
g_dbus_unregister_interface(player->conn, MPRIS_PLAYER_PATH,
MPRIS_INTERFACE);
g_dbus_unregister_interface(player->conn, MPRIS_PLAYER_PATH,
MPRIS_PLAYER_INTERFACE);
}
static struct player *find_player_by_transport(GDBusProxy *proxy)
{
GSList *l;
for (l = players; l; l = l->next) {
struct player *player = l->data;
if (player->transport == proxy)
return player;
}
return NULL;
}
static void unregister_transport(GDBusProxy *proxy)
{
struct player *player;
if (g_slist_find(transports, proxy) == NULL)
return;
transports = g_slist_remove(transports, proxy);
player = find_player_by_transport(proxy);
if (player == NULL)
return;
g_dbus_proxy_unref(player->transport);
player->transport = NULL;
}
static void unregister_item(struct player *player, GDBusProxy *proxy)
{
struct tracklist *tracklist = player->tracklist;
const char *path;
if (tracklist == NULL)
return;
if (g_slist_find(tracklist->items, proxy) == NULL)
return;
path = g_dbus_proxy_get_path(proxy);
tracklist->items = g_slist_remove(tracklist->items, proxy);
g_dbus_emit_property_changed(player->conn, MPRIS_PLAYER_PATH,
MPRIS_TRACKLIST_INTERFACE,
"Tracks");
g_dbus_emit_signal(player->conn, MPRIS_PLAYER_PATH,
MPRIS_TRACKLIST_INTERFACE, "TrackRemoved",
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID);
}
static void remove_players(DBusConnection *conn)
{
char **paths;
int i;
dbus_connection_list_registered(conn, "/", &paths);
for (i = 0; paths[i]; i++) {
char *path;
void *data;
path = g_strdup_printf("/%s", paths[i]);
dbus_connection_get_object_path_data(sys, path, &data);
dbus_connection_unregister_object_path(sys, path);
g_free(path);
g_free(data);
}
dbus_free_string_array(paths);
}
static void proxy_removed(GDBusProxy *proxy, void *user_data)
{
const char *interface;
const char *path;
if (adapter == NULL)
return;
interface = g_dbus_proxy_get_interface(proxy);
path = g_dbus_proxy_get_path(proxy);
if (strcmp(interface, BLUEZ_ADAPTER_INTERFACE) == 0) {
if (adapter != proxy)
return;
printf("Bluetooth Adapter %s removed\n", path);
adapter = NULL;
remove_players(sys);
} else if (strcmp(interface, BLUEZ_MEDIA_PLAYER_INTERFACE) == 0) {
struct player *player;
player = find_player(proxy);
if (player == NULL)
return;
printf("Bluetooth Player %s removed\n", path);
unregister_player(player);
} else if (strcmp(interface, BLUEZ_MEDIA_TRANSPORT_INTERFACE) == 0) {
printf("Bluetooth Transport %s removed\n", path);
unregister_transport(proxy);
} else if (strcmp(interface, BLUEZ_MEDIA_ITEM_INTERFACE) == 0) {
struct player *player;
player = find_player_by_item(path);
if (player == NULL)
return;
printf("Bluetooth Item %s removed\n", path);
unregister_item(player, proxy);
}
}
static const char *property_to_mpris(const char *property)
{
if (strcasecmp(property, "Repeat") == 0)
return "LoopStatus";
else if (strcasecmp(property, "Shuffle") == 0)
return "Shuffle";
else if (strcasecmp(property, "Status") == 0)
return "PlaybackStatus";
else if (strcasecmp(property, "Position") == 0)
return "Position";
else if (strcasecmp(property, "Track") == 0)
return "Metadata";
return NULL;
}
static void player_property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter, void *user_data)
{
struct player *player;
const char *property;
uint32_t position;
uint64_t value;
player = find_player(proxy);
if (player == NULL)
return;
property = property_to_mpris(name);
if (property == NULL)
return;
g_dbus_emit_property_changed(player->conn, MPRIS_PLAYER_PATH,
MPRIS_PLAYER_INTERFACE,
property);
if (strcasecmp(name, "Position") != 0)
return;
dbus_message_iter_get_basic(iter, &position);
value = position * 1000;
g_dbus_emit_signal(player->conn, MPRIS_PLAYER_PATH,
MPRIS_PLAYER_INTERFACE, "Seeked",
DBUS_TYPE_INT64, &value,
DBUS_TYPE_INVALID);
}
static void transport_property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter, void *user_data)
{
struct player *player;
DBusMessageIter var;
const char *path;
if (strcasecmp(name, "Volume") != 0 && strcasecmp(name, "State") != 0)
return;
if (!g_dbus_proxy_get_property(proxy, "Device", &var))
return;
dbus_message_iter_get_basic(&var, &path);
player = find_player_by_device(path);
if (player == NULL)
return;
if (strcasecmp(name, "State") == 0) {
if (!g_dbus_proxy_get_property(player->proxy, "Status", &var))
g_dbus_emit_property_changed(player->conn,
MPRIS_PLAYER_PATH,
MPRIS_PLAYER_INTERFACE,
"PlaybackStatus");
return;
}
g_dbus_emit_property_changed(player->conn, MPRIS_PLAYER_PATH,
MPRIS_PLAYER_INTERFACE,
name);
}
static void item_property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter, void *user_data)
{
struct player *player;
DBusMessage *signal;
DBusMessageIter args;
const char *path;
path = g_dbus_proxy_get_path(proxy);
player = find_player_by_item(path);
if (player == NULL)
return;
if (strcasecmp(name, "Metadata") != 0)
return;
signal = dbus_message_new_signal(MPRIS_PLAYER_PATH,
MPRIS_TRACKLIST_INTERFACE,
"TrackMetadataChanged");
if (!signal) {
fprintf(stderr, "Unable to allocate new %s.TrackAdded signal",
MPRIS_TRACKLIST_INTERFACE);
return;
}
dbus_message_iter_init_append(signal, &args);
dbus_message_iter_append_basic(&args, DBUS_TYPE_OBJECT_PATH, &path);
append_iter(&args, iter);
g_dbus_send_message(player->conn, signal);
}
static void property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter, void *user_data)
{
const char *interface;
interface = g_dbus_proxy_get_interface(proxy);
if (strcmp(interface, BLUEZ_MEDIA_PLAYER_INTERFACE) == 0)
return player_property_changed(proxy, name, iter, user_data);
if (strcmp(interface, BLUEZ_MEDIA_TRANSPORT_INTERFACE) == 0)
return transport_property_changed(proxy, name, iter,
user_data);
if (strcmp(interface, BLUEZ_MEDIA_ITEM_INTERFACE) == 0)
return item_property_changed(proxy, name, iter, user_data);
}
int main(int argc, char *argv[])
{
GOptionContext *context;
GError *error = NULL;
guint owner_watch, properties_watch, signal_watch;
struct sigaction sa;
context = g_option_context_new(NULL);
g_option_context_add_main_entries(context, options, NULL);
if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) {
if (error != NULL) {
g_printerr("%s\n", error->message);
g_error_free(error);
} else
g_printerr("An unknown error occurred\n");
exit(1);
}
g_option_context_free(context);
if (option_version == TRUE) {
usage();
exit(0);
}
main_loop = g_main_loop_new(NULL, FALSE);
sys = g_dbus_setup_bus(DBUS_BUS_SYSTEM, NULL, NULL);
if (!sys) {
fprintf(stderr, "Can't get on system bus");
exit(1);
}
session = g_dbus_setup_bus(DBUS_BUS_SESSION, NULL, NULL);
if (!session) {
fprintf(stderr, "Can't get on session bus");
exit(1);
}
owner_watch = g_dbus_add_signal_watch(session, NULL, NULL,
DBUS_INTERFACE_DBUS,
"NameOwnerChanged",
name_owner_changed,
NULL, NULL);
properties_watch = g_dbus_add_properties_watch(session, NULL, NULL,
MPRIS_PLAYER_INTERFACE,
player_signal,
NULL, NULL);
signal_watch = g_dbus_add_signal_watch(session, NULL, NULL,
MPRIS_PLAYER_INTERFACE,
NULL, player_signal,
NULL, NULL);
memset(&sa, 0, sizeof(sa));
sa.sa_flags = SA_NOCLDSTOP;
sa.sa_handler = sig_term;
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
client = g_dbus_client_new(sys, BLUEZ_BUS_NAME, BLUEZ_PATH);
g_dbus_client_set_connect_watch(client, connect_handler, NULL);
g_dbus_client_set_disconnect_watch(client, disconnect_handler, NULL);
g_dbus_client_set_proxy_handlers(client, proxy_added, proxy_removed,
property_changed, NULL);
g_main_loop_run(main_loop);
g_dbus_remove_watch(session, owner_watch);
g_dbus_remove_watch(session, properties_watch);
g_dbus_remove_watch(session, signal_watch);
g_dbus_client_unref(client);
dbus_connection_unref(session);
dbus_connection_unref(sys);
g_main_loop_unref(main_loop);
return 0;
}