SL100_FactoryTestTool/FactoryTestTool/ThirdParty/qmdnsengine-master/examples/browser/servicemodel.cpp

98 lines
3.1 KiB
C++

/*
* The MIT License (MIT)
*
* Copyright (c) 2017 Nathan Osman
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "servicemodel.h"
Q_DECLARE_METATYPE(QMdnsEngine::Service)
ServiceModel::ServiceModel(QMdnsEngine::Server *server, const QByteArray &type)
: mBrowser(server, type, &cache)
{
connect(&mBrowser, &QMdnsEngine::Browser::serviceAdded, this, &ServiceModel::onServiceAdded);
connect(&mBrowser, &QMdnsEngine::Browser::serviceUpdated, this, &ServiceModel::onServiceUpdated);
connect(&mBrowser, &QMdnsEngine::Browser::serviceRemoved, this, &ServiceModel::onServiceRemoved);
}
int ServiceModel::rowCount(const QModelIndex &) const
{
return mServices.count();
}
QVariant ServiceModel::data(const QModelIndex &index, int role) const
{
// Ensure the index points to a valid row
if (!index.isValid() || index.row() < 0 || index.row() >= mServices.count()) {
return QVariant();
}
QMdnsEngine::Service service = mServices.at(index.row());
switch (role) {
case Qt::DisplayRole:
return QString("%1 (%2)")
.arg(QString(service.name()))
.arg(QString(service.type()));
case Qt::UserRole:
return QVariant::fromValue(service);
}
return QVariant();
}
void ServiceModel::onServiceAdded(const QMdnsEngine::Service &service)
{
beginInsertRows(QModelIndex(), mServices.count(), mServices.count());
mServices.append(service);
endInsertRows();
}
void ServiceModel::onServiceUpdated(const QMdnsEngine::Service &service)
{
int i = findService(service.name());
if (i != -1) {
mServices.replace(i, service);
emit dataChanged(index(i), index(i));
}
}
void ServiceModel::onServiceRemoved(const QMdnsEngine::Service &service)
{
int i = findService(service.name());
if (i != -1) {
beginRemoveRows(QModelIndex(), i, i);
mServices.removeAt(i);
endRemoveRows();
}
}
int ServiceModel::findService(const QByteArray &name)
{
for (auto i = mServices.constBegin(); i != mServices.constEnd(); ++i) {
if ((*i).name() == name) {
return i - mServices.constBegin();
}
}
return -1;
}