static QString generateMetaData(GUPnPDIDLLiteObject *object)
{
GList *resources, *it;
if (GUPNP_IS_DIDL_LITE_CONTAINER(object)) {
return QString();
}
// produce minimal DIDL
auto writer = wrap(gupnp_didl_lite_writer_new (NULL));
GUPnPDIDLLiteObject *item = GUPNP_DIDL_LITE_OBJECT(gupnp_didl_lite_writer_add_item(writer));
const char *title = gupnp_didl_lite_object_get_title(object);
// maximum title length is 256 bytes
if (strlen(title) > 256) {
char *tmp = 0;
const char *end_ptr = 0;
g_utf8_validate(title, 256, &end_ptr);
tmp = g_strndup(title, end_ptr - title);
gupnp_didl_lite_object_set_title(item, tmp);
g_free(tmp);
} else {
gupnp_didl_lite_object_set_title(item, title);
}
gupnp_didl_lite_object_set_upnp_class(item, gupnp_didl_lite_object_get_upnp_class(object));
gupnp_didl_lite_object_set_parent_id(item, gupnp_didl_lite_object_get_parent_id(object));
gupnp_didl_lite_object_set_id(item, gupnp_didl_lite_object_get_id(object));
gupnp_didl_lite_object_set_restricted(item, gupnp_didl_lite_object_get_restricted(object));
it = resources = gupnp_didl_lite_object_get_resources(object);
while (it != 0) {
GUPnPDIDLLiteResource *orig_resource = GUPNP_DIDL_LITE_RESOURCE(it->data);
GUPnPDIDLLiteResource *resource = gupnp_didl_lite_object_add_resource(item);
gupnp_didl_lite_resource_set_uri(resource,
gupnp_didl_lite_resource_get_uri (orig_resource));
gupnp_didl_lite_resource_set_protocol_info(resource,
gupnp_didl_lite_resource_get_protocol_info(orig_resource));
it = it->next;
}
g_list_free_full(resources, (GDestroyNotify)g_object_unref);
return QString::fromUtf8(gupnp_didl_lite_writer_get_string(writer));
}
QVariant BrowseModelPrivate::data(const QModelIndex &index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
DIDLLiteObject object = m_data.at(index.row());
if (object.isEmpty()) {
return QVariant();
}
switch (role) {
case BrowseRoleTitle:
return QString::fromUtf8(gupnp_didl_lite_object_get_title(object));
case BrowseRoleId:
return QString::fromUtf8(gupnp_didl_lite_object_get_id(object));
case BrowseRoleUPnPClass:
return QString::fromUtf8(gupnp_didl_lite_object_get_upnp_class(object));
case BrowseRoleIcon:
return findIconForObject(object);
case BrowseRoleURI:
return getCompatibleUri(index.row(), m_protocolInfo);
case BrowseRoleType:
if (GUPNP_IS_DIDL_LITE_CONTAINER(object)) {
return QLatin1String("container");
} else {
return QLatin1String("object");
}
case BrowseRoleDetail:
return createDetailsForObject(object);
case BrowseRoleMetaData:
return generateMetaData(object);
case BrowseRoleFilter:
return QString::fromUtf8(gupnp_didl_lite_object_get_title(object)) + createDetailsForObject(object);
default:
return QVariant();
}
}
static QString createDetailsForObject(GUPnPDIDLLiteObject *object)
{
QString result;
if (GUPNP_IS_DIDL_LITE_CONTAINER(object)) {
return result;
}
GList* resources = gupnp_didl_lite_object_get_resources(object);
GList* it = resources;
const char *author = gupnp_didl_lite_object_get_artist(object);
const char *album = gupnp_didl_lite_object_get_album(object);
if (author != 0) {
result += QString::fromLatin1("%1").arg(QString::fromUtf8(author));
}
if (album != 0) {
if (not result.isEmpty()) {
result += QLatin1String(" | ");
}
result += QString::fromLatin1("%1").arg(QString::fromUtf8(album));
}
const QLatin1String empty = QLatin1String(" ");
while (it) {
GUPnPDIDLLiteResource *res = (GUPnPDIDLLiteResource*) it->data;
GUPnPProtocolInfo *info = gupnp_didl_lite_resource_get_protocol_info(res);
// use first non-transcoded uri; might be problematic
if (gupnp_protocol_info_get_dlna_conversion (info) == GUPNP_DLNA_CONVERSION_NONE) {
long duration = gupnp_didl_lite_resource_get_duration(res);
if (duration > 0) {
if (not result.isEmpty()) {
result += empty;
}
result += formatTime(duration);
}
int width = gupnp_didl_lite_resource_get_width(res);
int height = gupnp_didl_lite_resource_get_height(res);
if (width > 0 && height > 0) {
if (not result.isEmpty()) {
result += empty;
}
result += QString::fromLatin1("%1x%2").arg(QString::number(width), QString::number(height));
}
gint64 size = gupnp_didl_lite_resource_get_size64(res);
if (size > 0) {
if (not result.isEmpty()) {
result += empty;
}
result += formatSize(size);
}
break;
}
it = it->next;
}
g_list_free_full(resources, g_object_unref);
return result;
}
static gboolean
parse_elements (GUPnPDIDLLiteParser *parser,
xmlNode *node,
GUPnPAVXMLDoc *xml_doc,
xmlNs *upnp_ns,
xmlNs *dc_ns,
xmlNs *dlna_ns,
xmlNs *pv_ns,
gboolean recursive,
GError **error)
{
xmlNode *element;
for (element = node->children; element; element = element->next) {
GUPnPDIDLLiteObject *object;
object = gupnp_didl_lite_object_new_from_xml (element, xml_doc,
upnp_ns, dc_ns,
dlna_ns, pv_ns);
if (object == NULL)
continue;
if (GUPNP_IS_DIDL_LITE_CONTAINER (object)) {
g_signal_emit (parser,
signals[CONTAINER_AVAILABLE],
0,
object);
if (recursive &&
!parse_elements (parser,
element,
xml_doc,
upnp_ns,
dc_ns,
dlna_ns,
pv_ns,
recursive,
error)) {
g_object_unref (object);
return FALSE;
}
} else if (GUPNP_IS_DIDL_LITE_ITEM (object)) {
node = gupnp_didl_lite_object_get_xml_node (object);
if (!verify_didl_attributes (node)) {
g_object_unref (object);
g_set_error (error,
G_MARKUP_ERROR,
G_MARKUP_ERROR_PARSE,
"Could not parse DIDL-Lite XML");
return FALSE;
}
g_signal_emit (parser,
signals[ITEM_AVAILABLE],
0,
object);
}
g_signal_emit (parser,
signals[OBJECT_AVAILABLE],
0,
object);
g_object_unref (object);
}
return TRUE;
}