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tools/mpris-player: Add support for MPRIS TrackList.TrackAdded signal

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This commit is contained in:
Luiz Augusto von Dentz 2013-04-24 12:06:11 +03:00
parent a73ff5d4a8
commit 51e021de62
1 changed files with 46 additions and 1 deletions
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47
tools/mpris-player.c
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@ -1690,6 +1690,12 @@ static const GDBusMethodTable tracklist_methods[] = {
{ },
};
static const GDBusSignalTable tracklist_signals[] = {
{ GDBUS_SIGNAL("TrackAdded", GDBUS_ARGS({"metadata", "a{sv}"},
{"after", "o"})) },
{ }
};
static void append_path(gpointer data, gpointer user_data)
{
GDBusProxy *proxy = data;
@ -1813,7 +1819,7 @@ static void register_tracklist(struct player *player, const char *playlist)
if (!g_dbus_register_interface(player->conn, MPRIS_PLAYER_PATH,
MPRIS_TRACKLIST_INTERFACE,
tracklist_methods,
NULL,
tracklist_signals,
tracklist_properties,
player, NULL)) {
fprintf(stderr, "Could not register interface %s",
@ -1973,6 +1979,10 @@ static void register_item(struct player *player, GDBusProxy *proxy)
{
struct tracklist *tracklist;
const char *path;
DBusMessage *signal;
DBusMessageIter iter, args, metadata;
GSList *l;
GDBusProxy *after;
tracklist = player->tracklist;
if (tracklist == NULL)
@ -1983,11 +1993,46 @@ static void register_item(struct player *player, GDBusProxy *proxy)
!g_str_has_prefix(path, tracklist->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)