Qt::ItemFlags DVRServersModel::flags(const QModelIndex &index) const
{
if (!index.isValid())
return 0;
Qt::ItemFlags re = Qt::ItemIsSelectable;
DVRServer *s = 0;
DVRCamera *camera = 0;
if (index.internalPointer())
{
camera = cameraForRow(index);
if (camera)
s = camera->data().server();
}
else
s = serverForRow(index);
if (!m_offlineDisabled || (s && s->isOnline() && (!camera || !camera->data().disabled())))
re |= Qt::ItemIsEnabled;
else
return re;
if (!index.parent().isValid())
re |= Qt::ItemIsEditable;
re |= Qt::ItemIsDragEnabled;
return re;
}
void DVRServer::disconnectedSlot()
{
while (!m_visibleCameras.isEmpty())
{
DVRCamera *c = m_visibleCameras.takeFirst();
c->setOnline(false);
emit cameraRemoved(c);
}
m_devicesLoaded = false;
m_statusAlertMessage.clear();
emit statusAlertMessageChanged(QString());
}
QVariant DVRServersModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
DVRServer *server = serverForRow(index);
if (server)
{
if (role == Qt::ToolTipRole)
{
return tr("<span style='white-space:nowrap'><b>%1</b><br>%3 @ %2</span>", "tooltip")
.arg(Qt::escape(server->configuration().displayName()))
.arg(Qt::escape(server->configuration().hostname()))
.arg(Qt::escape(server->configuration().username()));
}
else if (role == DVRServerRole)
return QVariant::fromValue(server);
switch (index.column())
{
case 0:
if (role == Qt::DisplayRole || role == Qt::EditRole)
return server->configuration().displayName();
else if (role == Qt::DecorationRole)
{
if (server->status() == DVRServer::LoginError)
return m_statusErrorIcon;
if (!server->statusAlertMessage().isEmpty())
return m_statusAlertIcon;
if (m_offlineDisabled)
return m_statusIcon;
else
return m_statusIcon.pixmap(16, server->isOnline() ? QIcon::Normal : QIcon::Disabled);
}
break;
case 1:
if (role == Qt::DisplayRole || role == Qt::EditRole)
return server->configuration().hostname();
break;
case 2:
if (role == Qt::DisplayRole || role == Qt::EditRole)
return server->configuration().username();
break;
}
}
DVRCamera *camera = cameraForRow(index);
if (camera)
{
switch (role)
{
case DVRCameraRole:
return QVariant::fromValue(camera);
case Qt::DisplayRole:
return camera->data().displayName();
case Qt::DecorationRole:
return QIcon(QLatin1String(":/icons/webcam.png"));
}
}
return QVariant();
}
void DVRServer::updateCamerasReply()
{
QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());
if (!reply)
return;
qDebug() << "DVRServer: Received cameras list reply";
reply->deleteLater();
if (reply->error() != QNetworkReply::NoError)
{
/* TODO: Handle this well */
qWarning() << "DVRServer: Error from updating cameras:" << reply->errorString();
return;
}
QByteArray data = reply->readAll();
QXmlStreamReader xml(data);
QSet<int> idSet;
bool hasDevicesElement = false;
bool wasEmpty = m_visibleCameras.isEmpty();
while (xml.readNextStartElement())
{
if (xml.name() == QLatin1String("devices"))
{
hasDevicesElement = true;
while (xml.readNext() != QXmlStreamReader::Invalid)
{
if (xml.tokenType() == QXmlStreamReader::EndElement && xml.name() == QLatin1String("devices"))
break;
else if (xml.tokenType() != QXmlStreamReader::StartElement)
continue;
if (xml.name() == QLatin1String("device"))
{
bool ok = false;
QString idv = xml.attributes().value(QLatin1String("id")).toString();
if (idv.isNull())
continue;
int deviceId = (int)idv.toUInt(&ok);
if (!ok)
{
xml.raiseError(QLatin1String("Invalid device ID"));
continue;
}
idSet.insert(deviceId);
DVRCamera *camera = getCamera(deviceId);
if (camera)
{
camera->setOnline(true);
DVRCameraXMLReader xmlReader;
if (!xmlReader.readCamera(camera, xml))
{
if (!xml.hasError())
xml.raiseError(QLatin1String("Device parsing failed"));
continue;
}
else
{
DVRCameraSettingsWriter settingsWriter;
settingsWriter.writeCamera(camera);
}
}
if (!m_visibleCameras.contains(camera))
{
m_visibleCameras.append(camera);
emit cameraAdded(camera);
}
}
}
break;
}
else
xml.skipCurrentElement();
}
if (!hasDevicesElement)
xml.raiseError(QLatin1String("Invalid format: no devices element"));
if (xml.hasError())
{
qWarning() << "DVRServer: Error while parsing camera list:" << xml.errorString();
return;
}
for (int i = 0; i < m_visibleCameras.size(); ++i)
{
if (!idSet.contains(m_visibleCameras[i]->data().id()))
{
DVRCamera *c = m_visibleCameras[i];
m_visibleCameras.removeAt(i);
m_camerasMap.remove(c->data().id());
qDebug("DVRServer: camera %d removed", c->data().id());
emit cameraRemoved(c);
--i;
delete c;
}
}
if (!m_devicesLoaded || (wasEmpty && !m_visibleCameras.isEmpty()))
{
m_devicesLoaded = true;
emit devicesReady();
}
}